CN107650993A - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN107650993A CN107650993A CN201710753477.0A CN201710753477A CN107650993A CN 107650993 A CN107650993 A CN 107650993A CN 201710753477 A CN201710753477 A CN 201710753477A CN 107650993 A CN107650993 A CN 107650993A
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- Prior art keywords
- cross bar
- children trolley
- rod
- push
- poppet
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- 230000007246 mechanism Effects 0.000 claims description 21
- 230000007306 turnover Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of children trolley,Including stroller frame,Stroller frame includes side stand and stull support,Side stand includes fore-stock,After-poppet,Push-rod assembly,Side handrail,Front rod and back link,Front component is rotated by the first wheel shaft and is located on fore-stock,Wheel assembly is rotated by the second wheel shaft and is located on after-poppet,Fore-stock is rotatablely connected with after-poppet by the first side axle,Side handrail at least with one in fore-stock and after-poppet two,Push-rod assembly is rotatablely connected,Back link and push-rod assembly,After-poppet and front rod rotation connection,Front rod is rotatablely connected with fore-stock,First straight line is formed between first wheel shaft and the axial connecting line of the first side axle,Second straight line is formed between second wheel shaft and the axial connecting line of the first side axle,When children trolley deploys,Angle between first straight line and second straight line is 95 ~ 150 degree,The distance of first wheel shaft and the second wheel between centers is 400 ~ 500mm.The children trolley folded configuration is compact, small volume.
Description
Technical field
The present invention relates to articles for children technical field, and in particular to a kind of children trolley.
Background technology
Children trolley of the prior art, including the stroller frame with expanded position and folding position, it is arranged at stroller
The front component and wheel assembly of the bottom of vehicle frame, the locking mechanism for being locked in stroller frame under deployed condition.It is existing
Children trolley species it is various, the number of stroller frame rod member is different, and the link position between each rod member is different, so as to fold original
Reason is different with folding mode, and the effect after folding is also different.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided one kind can fold and volume after folding is less
Children trolley.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of children trolley, including the stroller frame with deployed condition and folded state, be arranged under the stroller frame
The anterior front component in side, be arranged on the stroller frame lower rear wheel assembly and for the stroller frame to be locked
The locking mechanism of expansion is scheduled on, the stroller frame includes being located at the side stand of the left and right sides respectively, is connected to the left and right sides
Stull support between the side stand, per side the side stand include fore-stock, after-poppet, push-rod assembly, side handrail,
Front rod and back link, the front component are rotatably arranged at the bottom of the fore-stock, the trailing wheel by the first wheel shaft
Component is rotatably arranged at the bottom of the after-poppet by the second wheel shaft, and the top of the fore-stock is upper with the after-poppet
Portion is rotated connection by the first side axle, the bottom of the side handrail at least with the top of the fore-stock and the after-poppet
A part in the part of two, top rotates connection, and the top of the side handrail and the bottom of the push-rod assembly rotate
Connection, the one end of the back link rotates with the bottom of the push-rod assembly and is connected, the other end of the back link and
The one end of the front rod rotates connection, and the back link rotates with the after-poppet and is connected, the front rod it is another
One end is rotated with the fore-stock and is connected, and first is formed between the axial connecting line of first wheel shaft and first side axle
Second straight line is formed between the axial connecting line of straight line, second wheel shaft and first side axle, when children trolley is in expansion
During state, the angle between the first straight line and the second straight line is 95 ~ 150 degree, first wheel shaft and described second
The distance between axial connecting line of wheel shaft is 400 ~ 500mm.
Preferably, the children trolley can be folded once, described when the children trolley is once folded
Push-rod assembly, which is overturn forward, to be driven the side handrail to downwardly turn over to draw close with the after-poppet, by the front rod and it is described after
Connecting rod drives the fore-stock to turn over and drawn close with the after-poppet, when the children trolley is in a folded state,
The front component and the wheel assembly per side are respectively inside and outside the side stand.
Further, when the children trolley is in deployed condition, the wheel assembly of the left and right sides rotates respectively
The outside of the after-poppet is connected to, and in every side of the left and right sides, the front component is respectively positioned on the interior of first side axle
Side, the wheel assembly are respectively positioned on the outside of first side axle.
Further, when the children trolley is in deployed condition, the wheel assembly of the left and right sides rotates respectively
The inner side of the after-poppet is connected to, and in every side of the left and right sides, the front component is respectively positioned on the outer of first side axle
Side, the wheel assembly are respectively positioned on the inner side of first side axle.
Preferably, when children trolley is in deployed condition, the angle between the first straight line and the second straight line
For 105 ~ 130 degree.
Preferably, the stull support includes：
First cross bar, first cross bar extend in left-right direction, the left and right ends portion of first cross bar respectively with left and right two
The fore-stock of side is rotated connection by the first transverse axis；
Second cross bar, second cross bar extend in left-right direction, the left and right ends portion of second cross bar respectively with left and right two
The after-poppet of side is rotated connection by the second transverse axis；
3rd cross bar, the 3rd cross bar extend in left-right direction, the left and right ends portion of the 3rd cross bar respectively with left and right two
The push-rod assembly of side is rotated connection by the 3rd transverse axis；
The children trolley can carry out twice-folded, during the children trolley twice-folded, the side stand difference of both sides
Around turning inside out for children trolley described in first transverse axis, second transverse axis and the 3rd X direction.
Further, when the children trolley is in twice-folded state, positioned at the left and right sides of the stroller frame
Every side first transverse axis, second transverse axis and the 3rd transverse axis along same rectilinear direction extend.
Further, the push-rod assembly includes lower push-rod, upper push-rod and handle, and the handle includes what is be mutually fixedly connected
First bar and the second bar, first bar are mutually fixedly connected with the upper end of the upper push-rod, when the children trolley is in exhibition
During open state, first bar extends with the 3rd cross bar along same rectilinear direction, when the children trolley is in secondary folding
During overlapping state, first bar and the 3rd cross bar are perpendicular.
Preferably, the stull support includes：
First cross bar, first cross bar extend in left-right direction, and first cross bar can be connected telescopically in left-right direction
Between the fore-stock of the left and right sides；
Second cross bar, second cross bar extend in left-right direction, and second cross bar can be connected telescopically in left-right direction
Between the after-poppet of the left and right sides；
3rd cross bar, the 3rd cross bar extend in left-right direction, and the 3rd cross bar can be connected telescopically in left-right direction
Between the push-rod assembly of the left and right sides；
The children trolley can carry out twice-folded, during the children trolley twice-folded, first cross bar, described second
Cross bar and the 3rd cross bar are shunk, and the side stand of both sides is drawn close in left-right direction.
Preferably, the push-rod assembly includes lower push-rod and can slidably set along the length bearing of trend of the lower push-rod
Put the upper push-rod on the lower push-rod, the one end of the top of the side handrail and the back link respectively with the lower push-rod
Bottom rotate connection.
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 structure is simple, can fold, and folding operation is convenient, and the children trolley after folding is compact-sized, small volume, is easy to take
Band and storage.
Brief description of the drawings
One of the stereogram of accompanying drawing 1 for children trolley of the invention in the deployed state（Embodiment 1）；
The two of stereogram of the accompanying drawing 2 for children trolley of the invention in the deployed state（Embodiment 1）；
Side view of the accompanying drawing 3 for children trolley of the invention in the deployed state（Embodiment 1）；
One of the stereogram of accompanying drawing 4 for children trolley of the invention in folding process（Embodiment 1）；
The two of stereogram of the accompanying drawing 5 for children trolley of the invention in folding process（Embodiment 1）；
Stereogram of the accompanying drawing 6 for children trolley of the invention in a folded configuration（Embodiment 1）
Side view of the accompanying drawing 7 for children trolley of the invention in a folded configuration（Embodiment 1）；
Stereogram of the accompanying drawing 8 for children trolley of the invention in the deployed state（Embodiment 2）；
Stereogram of the accompanying drawing 9 for children trolley of the invention in folding process（Embodiment 2）；
Stereogram of the accompanying drawing 10 for children trolley of the invention in a folded configuration（Embodiment 2）
Side view of the accompanying drawing 11 for children trolley of the invention in a folded configuration（Embodiment 2）.
Wherein：1st, side stand；11st, fore-stock；12nd, after-poppet；13rd, push-rod assembly；131st, lower push-rod；132nd, upper push-rod；
133rd, the first bar；134th, the second bar；14th, side handrail；15th, front rod；16th, back link；21st, front component；22nd, wheel assembly；
31st, the first wheel shaft；32nd, the second wheel shaft；41st, the first side axle；42nd, the second side axle；43rd, the 3rd side axle；44th, the 4th side axle；45th,
Five side axles；46th, the 6th side axle；47th, heptalateral axle；51st, first straight line；52nd, second straight line；61st, the first cross bar；62nd, second is horizontal
Bar；63rd, the 3rd cross bar；64th, the 4th cross bar；71st, the first transverse axis；72nd, the second transverse axis；73rd, the 3rd transverse axis；74th, the 4th transverse axis.
Embodiment
Technical scheme is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1 ~ Fig. 7, children trolley of the invention includes the stroller frame with deployed condition and folded state, is arranged on
The anterior front component 21 in the bottom of stroller frame, be arranged on stroller frame bottom rear portion wheel assembly 22, for by stroller car
The locking mechanism of frame locking in the deployed state.
Stroller frame includes being located at the side stand 1 of the left and right sides of children trolley respectively and is connected to the collateral of the left and right sides
Stull support between frame 1.
Per side side stand 1 include fore-stock 11, after-poppet 12, push-rod assembly 13, side handrail 14, front rod 15 and after
Connecting rod 16.Front component 21 is rotationally connected to the bottom of fore-stock 11 by the first wheel shaft 31, and wheel assembly 22 passes through second
Wheel shaft 32 is rotationally connected to the bottom of after-poppet 12, when stroller frame is in deployed condition, fore-stock 11, the and of side handrail 14
Push-rod assembly 13 is inclined upwardly setting from front to back, and after-poppet 12 is inclined upwardly setting from back to front.
The top of fore-stock 11 is rotated by the first side axle 41 with the top of after-poppet 12 and is connected, the bottom of side handrail 14
At least rotated with a part in the top of fore-stock 11 and two, the top part of after-poppet 12 by the second side axle 42
Connection.A kind of specific embodiment, the bottom of side handrail 14 are rotated by the second side axle 42 with the top of after-poppet 12 and are connected,
As shown in Figure 2；Another specific embodiment, the first side axle 41 and the second side axle 42 extend along same rectilinear direction, i.e., preceding to prop up
The part of bottom three on the top of frame 11, the top of after-poppet 12 and side handrail 14 passes through the side axle 42 of the first side axle 41/ second
Same axis is rotatablely connected, as shown in Figure 1.The top of side handrail 14 and the bottom of push-rod assembly 13 are rotated by the 3rd side axle 43
Connection, the one end of back link 16 rotated by the 4th side axle 44 with the bottom of push-rod assembly 13 and is connected, back link 16 it is another
One end is rotated by the 5th side axle 45 with the one end of front rod 15 and is connected, and back link 16 passes through the 6th side with after-poppet 12
Axle 46 is rotated connection, and the other end of front rod 15 is rotated with fore-stock 11 by heptalateral axle 47 to be connected.So, preceding
A quadric chain is just formed between support 11, after-poppet 12, back link 16 and front rod 15, is helped in push-rod assembly 13, side
Also a quadric chain is formed between hand 14, after-poppet 12 and back link 16.
In order that children trolley volume after folding is smaller, push-rod assembly 13 under the extension that is inclined upwardly from front to back including pushing away
Bar 131, the upper push-rod 132 that can be slidably arranged in along the length bearing of trend of lower push-rod 131 on lower push-rod 131, side handrail
14 top is rotated by the 3rd side axle 43 with the bottom of lower push-rod 131 and is connected, one end and the lower push-rod 131 of back link 16
Bottom rotated connection by the 4th side axle 44.
A kind of specific embodiment, lower push-rod 131 have the hollow cavity extended along its length, and upper push-rod 132 is certainly
The top of lower push-rod 131 is inserted in the hollow cavity of lower push-rod 131, and upper push-rod 132 can prolong along the length of hollow cavity
Direction is stretched to slide up and down.
Push-rod assembly 13 also includes handle, and handle includes the first bar 133 and the second bar 134 being mutually fixedly connected, the first bar
133 are mutually fixedly connected with the upper end of upper push-rod 132.
When side stand 1 is in deployed condition, on fore-stock 11, heptalateral axle 47 is located at the lower section of the first side axle 41；
On after-poppet 12, the first side axle 41 is located at the lower section of the second side axle 42, or, the first side axle 41 is coaxially set with the second side axle 42
Put, the 6th side axle 46 is located at the lower section of the first side axle 41；On push-rod assembly 13, the 4th side axle 44 is located under the 3rd side axle 43
Side.
As shown in figure 3, first straight line 51, the second wheel shaft are formed between the first wheel shaft 31 and the axial connecting line of the first side axle 41
32 and first side axle 41 axial connecting line between formed second straight line 52, when side stand 1 is in deployed condition, first straight line 51
Angle between second straight line 52 is 95 ~ 150 degree, and the distance between the first wheel shaft 31 and axial connecting line of the second wheel shaft 32 are
400 ~ 500mm, by such setting, children trolley volume after folding can be made smaller.In order that children trolley volume after folding
Smaller, more compact structure, the angle between first straight line 51 and second straight line 52 is preferably 105 ~ 130 degree.
In the present embodiment, when children trolley is in deployed condition, the wheel assembly 22 of the left and right sides is rotatablely connected respectively
In the outside of after-poppet 12, and in every side of the left and right sides, front component 21 is respectively positioned on the inner side of the first side axle 41, wheel assembly
22 are respectively positioned on the outside of the first side axle 41.
Stull support includes the first cross bar 61, the second cross bar 62 and the 3rd being connected between the side stand 1 of the left and right sides
Cross bar 63, the first cross bar 61, the second cross bar 62 and the 3rd cross bar 63 extend in left-right direction, the left and right ends of the first cross bar 61
Portion is rotated by the first transverse axis 71 with the fore-stock 11 of the left and right sides be connected respectively, the left and right ends portion difference of the second cross bar 62
Rotated and be connected by the second transverse axis 72 with the after-poppet 12 of the left and right sides, the left and right ends portion of the 3rd cross bar 63 respectively with left and right
First bar 133 of both sides is rotated connection by the 3rd transverse axis 73.In order that stability of the stroller frame under expanded position compared with
By force, preferably stull support also includes the 4th cross bar 64, and the 4th cross bar 64 extends in left-right direction, the left and right ends of the 4th cross bar 64
Portion is rotated by the 4th transverse axis 74 with the back link 16 of the left and right sides be connected respectively.Before the first cross bar 61 and the left and right sides
Between support 11, between the after-poppet 12 of the second cross bar 62 and the left and right sides, the 3rd cross bar 63 and the first bar 133 of the left and right sides
Between and the 4th cross bar 64 and the back link 16 of the left and right sides between be equipped with one-directional rotation position-limit mechanism, pass through this and unidirectional turn
Dynamic position-limit mechanism can be such that the side stand 1 of the left and right sides is rotated respectively to a direction, and be rotated without another direction of normal direction.
In the present embodiment, when children trolley folds, after the completion of once folding, the side stands 1 of both sides can rotating around the first transverse axis 71,
Second transverse axis 72, the 3rd transverse axis 73 and the 4th transverse axis 74 turn inside out carry out twice-folded to children trolley, so that children
Stroller volume after folding is smaller.The concrete structure of above-mentioned each one-directional rotation position-limit mechanism is not the main points of the present invention, can be used existing
There is the structure in technology.
Locking mechanism includes the first locking mechanism being arranged between upper push-rod 132 and lower push-rod 131 and is arranged on above-mentioned
Two quadric chains in arbitrarily rotate connection two parts between second locking mechanism, first locking mechanism and
Two locking mechanisms can be unlocked individually, can also be after first locking mechanism unblock, and upper push-rod 132 is with respect to lower push-rod 131 to downslide
Triggering second locking mechanism unlocks second locking mechanism when dynamic.The concrete structure of first locking mechanism and second locking mechanism is equal
It is not the claimed technical essential of this patent, can uses structure of the prior art.
When children trolley is in deployed condition, first locking mechanism and second locking mechanism are in lock-out state, the
The axle center of the angle formed between one straight line 51 and second straight line 52 between 95 ~ 150 degree, the first wheel shaft 31 and the second wheel shaft 32
The distance between line be maintained at 400 ~ 500mm, the first bar 133 and the 3rd cross bar 63 along same rectilinear direction extend, as Fig. 1 ~
Shown in Fig. 3.
When children trolley folds, first once folded, during folding, first unlock first locking mechanism, make upper push-rod
132 along the length bearing of trend slide downward one of lower push-rod 131 after, unlock second locking mechanism, then overturn forward
Push-rod assembly 13 so that side handrail 14 is downwardly turned over around the second side axle 42 and drawn close with after-poppet 12, is connected by front rod 15 with after
Bar 16 drives fore-stock 11 to be turned over around the first side axle 41 and drawn close with after-poppet 12, until each rod member of composition side stand 1 is tight
It is close to be close together, and the front component 21 of the left and right sides is housed in the inner side of the side stand 1 of every side respectively, wheel assembly 22 divides
The outside of side stand 1 that Wei Yu be per side, preferably makes the first wheel shaft 31 and the second wheel shaft 32 extend along same rectilinear direction, so far
Complete the once folding of children trolley, structure after folding as shown in figure 5, now the first bar 133 with the 3rd cross bar 63 still along same
One rectilinear direction extends.Then carry out twice-folded, during twice-folded, make the side stand 1 of both sides rotating around the first transverse axis 71,
Two transverse axis 72, the folding that turns inside out of the 3rd transverse axis 73 and the 4th transverse axis 74 to children trolley, finally fold such as Fig. 6 and Fig. 7 institutes
Show, now, the first transverse axis 71, the second transverse axis 72, the 3rd transverse axis 73 and the 4th transverse axis 74 extend along same rectilinear direction, the first bar
133 is perpendicular with the 3rd cross bar 63.Children trolley after folding is compact-sized, small volume, is easy to carry and deposits.
Embodiment 2
As shown in Fig. 8 ~ Figure 11, in the present embodiment, the wheel assembly 22 of the left and right sides is rotatably connected on the interior of after-poppet 12 respectively
Side, and in every side of the left and right sides, front component 21 is respectively positioned on the outside of the first side axle 41, wheel assembly 22 is respectively positioned on the first side
The inner side of axle 41.
When the children trolley folds, after the completion of once folding, the front component 21 of the left and right sides is housed in every side respectively
The outside of side stand 1, wheel assembly 22 are located at the inner side of the side stand 1 per side respectively, as shown in figure 9, in addition to the difference, remaining
It is same as Example 1.
Embodiment 3
In the present embodiment, stull support includes the first cross bar 61, the second cross bar 62 and the 3rd cross bar 63, the first cross bar 61, second
The cross bar 63 of cross bar 62 and the 3rd extends in left-right direction, and the first cross bar 61 is connected between the fore-stock 11 of the left and right sides, the
Two cross bars 62 are connected between the after-poppet 12 of the left and right sides, and the 3rd cross bar 63 is connected between the first bar 133 of the left and right sides,
First cross bar 61, the second cross bar 62 and the 3rd cross bar 63 are the expansion link that can be stretched in left-right direction.In order that stroller car
Stability of the frame under expanded position is stronger, and preferably stull support also includes the 4th cross bar 64, and the 4th cross bar 64 is in left-right direction
Extension, the 4th cross bar 64 are connected between the back link 16 of the left and right sides, and the 4th cross bar 64 is also to stretch in left-right direction
Expansion link.Remaining is same as Example 1.So, when children trolley carries out twice-folded, pushed away respectively to the inner side of children trolley
The side stand 1 of the dynamic left and right sides, the first cross bar 61, the second cross bar 62, the 3rd cross bar 63 and the 4th cross bar 64 shrink, and make both sides
Side stand 1 is close together, so as to realize the laterally folded of children trolley, during this folded state, and the front component 2 of the left and right sides
The inner side of the side stand 1 of every side is housed in respectively, and wheel assembly 22 is located at the outside of the side stand 1 per side respectively.
Embodiment 4
In the present embodiment, stull support includes the first cross bar 61, the second cross bar 62 and the 3rd cross bar 63, the first cross bar 61, second
The cross bar 63 of cross bar 62 and the 3rd extends in left-right direction, and the first cross bar 61 is connected between the fore-stock 11 of the left and right sides, the
Two cross bars 62 are connected between the after-poppet 12 of the left and right sides, and the 3rd cross bar 63 is connected between the first bar 133 of the left and right sides,
First cross bar 61, the second cross bar 62 and the 3rd cross bar 63 are the expansion link that can be stretched in left-right direction.In order that stroller car
Stability of the frame under expanded position is stronger, and preferably stull support also includes the 4th cross bar 64, and the 4th cross bar 64 is in left-right direction
Extension, the 4th cross bar 64 are connected between the back link 16 of the left and right sides, and the 4th cross bar 64 is also to stretch in left-right direction
Expansion link.Remaining is same as Example 2.So, when children trolley carries out twice-folded, pushed away respectively to the inner side of children trolley
The side stand 1 of the dynamic left and right sides, the first cross bar 61, the second cross bar 62, the 3rd cross bar 63 and the 4th cross bar 64 shrink, and make both sides
Side stand 1 is close together, so as to realize the laterally folded of children trolley, during this folded state, and the front component 2 of the left and right sides
The outside of the side stand 1 of every side is housed in respectively, and wheel assembly 22 is located at the inner side of the side stand 1 per side respectively.
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's energy
Solution present disclosure much of that is simultaneously implemented according to this, and it is not intended to limit the scope of the present invention.It is all spiritual according to the present invention
The equivalent change or modification that essence is made, should all be included within the scope of the present invention.
Claims (10)
1. a kind of children trolley, including the stroller frame with deployed condition and folded state, it is arranged on the stroller frame
The front component of lower front portion, be arranged on the stroller frame lower rear wheel assembly and for by the stroller frame
It is locked in the locking mechanism of expansion, it is characterised in that：The stroller frame includes the side stand positioned at the left and right sides, connection respectively
Stull support between the side stand of the left and right sides, the side stand per side include fore-stock, after-poppet, push rod
Component, side handrail, front rod and back link, the front component are rotatably arranged under the fore-stock by the first wheel shaft
Portion, the wheel assembly are rotatably arranged at the bottom of the after-poppet, the top of the fore-stock and institute by the second wheel shaft
The top of after-poppet is stated to rotate connection by the first side axle, the bottom of the side handrail at least with the top of the fore-stock and
A part in two, the top part of the after-poppet rotates connection, the top of the side handrail and the push-rod assembly
Bottom rotate connection, the one end of the back link rotates with the bottom of the push-rod assembly and is connected, the back link
The other end rotate and be connected with the one end of the front rod, the back link rotates with the after-poppet and is connected, institute
The other end for stating front rod rotates with the fore-stock and is connected, first wheel shaft and the axial connecting line of first side axle
Between form first straight line, form second straight line between second wheel shaft and the axial connecting line of first side axle, work as children
When stroller is in deployed condition, the angle between the first straight line and the second straight line is 95 ~ 150 degree, the first round
The distance between axial connecting line of axle and second wheel shaft is 400 ~ 500mm.
A kind of 2. children trolley according to claim 1, it is characterised in that：The children trolley can once be rolled over
It is folded, when the children trolley is once folded, the push-rod assembly overturn forward drive the side handrail downwardly turn over and
The after-poppet is drawn close, and is driven the fore-stock to turn over by the front rod and the back link and is leaned on the after-poppet
Hold together, when the children trolley is in a folded state, the front component and the wheel assembly per side are located at respectively
Inside and outside the side stand.
A kind of 3. children trolley according to claim 2, it is characterised in that：When the children trolley is in deployed condition
When, the wheel assembly of the left and right sides is rotatably connected on the outside of the after-poppet respectively, and in every side of the left and right sides, institute
The inner side that front component is respectively positioned on first side axle is stated, the wheel assembly is respectively positioned on the outside of first side axle.
A kind of 4. children trolley according to claim 2, it is characterised in that：When the children trolley is in deployed condition
When, the wheel assembly of the left and right sides is rotatably connected on the inner side of the after-poppet respectively, and in every side of the left and right sides, institute
The outside that front component is respectively positioned on first side axle is stated, the wheel assembly is respectively positioned on the inner side of first side axle.
A kind of 5. children trolley according to claim 1, it is characterised in that：When children trolley is in deployed condition, institute
It is 105 ~ 130 degree to state the angle between first straight line and the second straight line.
A kind of 6. children trolley according to claim 1, it is characterised in that：The stull support includes：
First cross bar, first cross bar extend in left-right direction, the left and right ends portion of first cross bar respectively with left and right two
The fore-stock of side is rotated connection by the first transverse axis；
Second cross bar, second cross bar extend in left-right direction, the left and right ends portion of second cross bar respectively with left and right two
The after-poppet of side is rotated connection by the second transverse axis；
3rd cross bar, the 3rd cross bar extend in left-right direction, the left and right ends portion of the 3rd cross bar respectively with left and right two
The push-rod assembly of side is rotated connection by the 3rd transverse axis；
The children trolley can carry out twice-folded, during the children trolley twice-folded, the side stand difference of both sides
Around turning inside out for children trolley described in first transverse axis, second transverse axis and the 3rd X direction.
A kind of 7. children trolley according to claim 6, it is characterised in that：When the children trolley is in twice-folded shape
During state, positioned at first transverse axis of every side of the left and right sides of the stroller frame, second transverse axis and the 3rd horizontal stroke
Axle extends along same rectilinear direction.
A kind of 8. children trolley according to claim 6, it is characterised in that：The push-rod assembly includes lower push-rod, above pushed away
Bar and handle, the handle include the first bar and the second bar being mutually fixedly connected, the upper end of first bar and the upper push-rod
Portion is mutually fixedly connected, and when the children trolley is in deployed condition, first bar and the 3rd cross bar are along same straight line
Direction extends, and when the children trolley is in twice-folded state, first bar and the 3rd cross bar are perpendicular.
A kind of 9. children trolley according to claim 1, it is characterised in that：The stull support includes：
First cross bar, first cross bar extend in left-right direction, and first cross bar can be connected telescopically in left-right direction
Between the fore-stock of the left and right sides；
Second cross bar, second cross bar extend in left-right direction, and second cross bar can be connected telescopically in left-right direction
Between the after-poppet of the left and right sides；
3rd cross bar, the 3rd cross bar extend in left-right direction, and the 3rd cross bar can be connected telescopically in left-right direction
Between the push-rod assembly of the left and right sides；
The children trolley can carry out twice-folded, during the children trolley twice-folded, first cross bar, described second
Cross bar and the 3rd cross bar are shunk, and the side stand of both sides is drawn close in left-right direction.
A kind of 10. children trolley according to claim 1, it is characterised in that：The push-rod assembly includes lower push-rod and energy
Enough length bearing of trends along the lower push-rod are slidably arranged in the upper push-rod on the lower push-rod, the top of the side handrail
Rotate and be connected with the bottom of the lower push-rod respectively with the one end of the back link.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753477.0A CN107650993A (en) | 2017-08-29 | 2017-08-29 | Children trolley |
| PCT/CN2017/107474 WO2019041495A1 (en) | 2017-08-29 | 2017-10-24 | Children's stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753477.0A CN107650993A (en) | 2017-08-29 | 2017-08-29 | Children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107650993A true CN107650993A (en) | 2018-02-02 |
Family
ID=61128896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753477.0A Pending CN107650993A (en) | 2017-08-29 | 2017-08-29 | Children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107650993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108313113A (en) * | 2018-03-19 | 2018-07-24 | 深圳市秀宝婴童用品有限公司 | It is a kind of can the stroller that returns the vehicle to the garage and knock off of twice-folded |
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