CN109515507A - Children cart frame and children trolley - Google Patents
Children cart frame and children trolley Download PDFInfo
- Publication number
- CN109515507A CN109515507A CN201710843657.8A CN201710843657A CN109515507A CN 109515507 A CN109515507 A CN 109515507A CN 201710843657 A CN201710843657 A CN 201710843657A CN 109515507 A CN109515507 A CN 109515507A
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- handle stem
- foot lever
- sliding part
- locking mechanism
- cart frame
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- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a kind of children cart frame and children trolleys, wherein children cart frame includes preceding foot lever (1), rear foot lever (2), handle stem (3), sliding part (4) and retracting mechanism, foot lever is rotatably coupled with preceding foot lever and handle stem respectively afterwards, sliding part is arranged on handle stem, and it can be slided relative to handle stem, retracting mechanism is rotatably coupled with sliding part, to drive preceding foot lever and handle stem by retracting mechanism when sliding part is slided relative to handle stem, foot lever is drawn close respectively backward, to realize the folding of vehicle frame.Sliding part is arranged at the tie point of preceding foot lever, rear foot lever or preceding foot lever and rear foot lever in compared with the prior art, sliding part is arranged on handle stem the present invention, sliding part is higher relative to the height on ground, operator's force is more convenient, also more conveniently and quickly to the operation of sliding part unlock, embracing children for proficiency can only be for the operator of one-handed performance, and the operability of this structure is stronger.
Description
Technical field
The present invention relates to children trolley technical field more particularly to a kind of children cart frame and children trolleys.
Background technique
With the development of society, children trolley has become a kind of indispensable tool of infant's trip.Parents are pursuing
Except children trolley safety, firm basic demand, increasingly attention children trolley foldable, it is small in size, convenient for spies such as storages
Point.In consideration of it, cart is unfolded when in use, when not in use, by cart currently, children trolley generally has folding functional
It folds, to be convenient for carrying, reduces occupied space.
Existing folding children's barrow vehicle frame is many kinds of, but vehicle frame is complex in structure mostly, folds
Next very inconvenient, some must could complete to fold by specification, and time-consuming and laborious, actual operation is poor；Also some vehicle frames
Even if volume is still very big after folding, it has not been convenient to place and store, be unable to satisfy the demand of user.
Summary of the invention
The purpose of the present invention is to propose to a kind of children cart frame and children trolleys, are being folded with improving children cart frame
When operation convenience.
To achieve the above object, the present invention provides a kind of children cart frame, including preceding foot lever, rear foot lever, handle stem,
Sliding part and retracting mechanism, rear foot lever are rotatably coupled with preceding foot lever and handle stem respectively, and sliding part is arranged on handle stem,
And can be slided relative to handle stem, retracting mechanism is rotatably coupled with sliding part, with sliding relative to handle stem in sliding part
Foot lever is drawn close respectively backward for foot lever and handle stem before being driven when dynamic by retracting mechanism, to realize the folding of vehicle frame.
Further, retracting mechanism includes actuator, and actuator is rotatably connected between sliding part and rear foot lever, with
When sliding part is slided relative to handle stem, by actuator drive handle stem, foot lever is drawn close backward.
Further, retracting mechanism further includes first connecting rod, and first connecting rod is rotatably connected to actuator and preceding foot lever
Between, to drive preceding foot lever by first connecting rod when actuator is moved, foot lever is drawn close backward.
Further, actuator includes rigidly connected first bar and the second bar, and end and the sliding part of the first bar can turn
It connects dynamicly, end and the first connecting rod of the second bar are rotatably coupled, the rigid connection of rear foot lever and the first bar and the second bar
Point is rotatably coupled.
Further, when vehicle frame is in unfolded state, the angle between the second bar and first connecting rod is 180 °.
Further, the angle between the first bar and the second bar is right angle or obtuse angle.
Further, handle stem can be such that sliding part slides backward along handle stem when by lower pressure, so that handle stem
It downwardly turns over and close to rear foot lever.
It further, further include connector, handle stem and rear foot lever are rotatably connected to the first tie point of connector
Place, preceding foot lever are rotatably connected at the second tie point of connector.
Further, connector is plastic parts.
Further, handle stem is L-shaped, and has quarter butt and stock, and the end of quarter butt rotationally connects with rear foot lever
It connects, sliding part is arranged on stock.
It further, further include first locking mechanism, when first locking mechanism is in the lock state, sliding part is relative to hand
Barre is fixed；When first locking mechanism is in the unlocked state, sliding part can be slided relative to handle stem.
Further, the junction between sliding part and handle stem is arranged in first locking mechanism；Alternatively, the first locking machine
The top hand grip portion of handle stem is arranged in structure.
Further, handle stem includes upper section and lower section, is rotatably coupled between upper section and lower section, so that upper section can
It overturns and folds forward relative to lower section.
It further, further include second locking mechanism, when second locking mechanism is in the lock state, upper section is opposite with lower section
It is fixedly connected；When second locking mechanism is in the unlocked state, upper section can overturn and fold forward relative to lower section.
Further, second locking mechanism includes sliding sleeve, and upper section is arranged by sliding sleeve with lower section and is connect, and passes through the cunning of sliding sleeve
Kinetic energy enough makes upper section is opposite with lower section to lock or unlock.
Further, handle stem includes upper section and lower section, and vehicle frame further includes first for lock slide and handle stem
The top hand grip portion of locking mechanism and second locking mechanism for locking upper section and lower section, upper section is equipped with tripper, passes through
Operation tripper can be such that first locking mechanism and/or second locking mechanism unlocks.
Further, tripper is connect by the first flexible piece with second locking mechanism, and upper section is flexible by second
Part is connect with first locking mechanism, to pull second locking mechanism unlock by the first flexible piece when operating tripper, and
First locking mechanism unlock is pulled by the second flexible piece after upper section overturns and folds relative to lower section.
Further, tripper is connect by flexible piece with first locking mechanism and second locking mechanism, to operate
First locking mechanism and second locking mechanism is pulled to unlock simultaneously by flexible piece when tripper.
It further, further include seat post group and second connecting rod, seat post group can be rotated by second connecting rod and sliding part
Ground connection, to drive seat post group to fold by second connecting rod when sliding part is slided relative to handle stem.
Further, seat post group includes leg lean rod, seat post and back lean rod, one end and the leg lean rod of seat post
It is rotatably coupled, the other end and the back lean rod of seat post are rotatably coupled, and second connecting rod rotationally connects with seat post
It connects, to drive seat post and leg lean rod to lean against bar backward and lean on by second connecting rod when sliding part is slided relative to handle stem
Hold together, to realize the folding of seat post group.
To achieve the above object, the present invention also provides a kind of children trolleys, including above-mentioned children cart frame.
Based on the above-mentioned technical proposal, the present invention is arranged on handle stem by setting sliding part, and by sliding part, is sliding
Foot lever is drawn close respectively backward for foot lever and handle stem before being able to drive when part is slided relative to handle stem by retracting mechanism, thus real
The folding of existing vehicle frame.Preceding foot lever, rear foot lever or preceding foot lever and rear foot lever is arranged in sliding part in compared with the prior art
At tie point, sliding part is arranged on handle stem in the embodiment of the present invention, sliding part is higher relative to the height on ground, operation
Person's force is more convenient, and also more conveniently and quickly to the operation of sliding part unlock, embracing a children for proficiency can only one-handed performance
Operator for, the operability of this structure is stronger.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of children cart frame one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of another angle of children cart frame in Fig. 1 embodiment.
Fig. 3 is the side view that children cart frame one embodiment of the present invention is in unfolded state.
Fig. 4 is first state structural schematic diagram of the children cart frame in folding process in Fig. 3 embodiment.
Fig. 5 is second status architecture schematic diagram of the children cart frame in folding process in Fig. 3 embodiment.
Fig. 6 is third state structural schematic diagram of the children cart frame in folding process in Fig. 3 embodiment.
Fig. 7 is the structural schematic diagram that children cart frame is in completely folded state in Fig. 3 embodiment.
Fig. 8 is the side view that another embodiment of children cart frame of the present invention is in unfolded state.
Fig. 9 is first state structural schematic diagram of the children cart frame in folding process in Fig. 8 embodiment.
Figure 10 is second status architecture schematic diagram of the children cart frame in folding process in Fig. 8 embodiment.
Figure 11 is the structural schematic diagram that children cart frame is in completely folded state in Fig. 8 embodiment.
In figure:
1, preceding foot lever；2, rear foot lever；3, handle stem；31, upper section；32, lower section；4, sliding part；5, actuator；6, first connects
Bar；7, connector；8, first locking mechanism；9, second locking mechanism；10, tripper；11, cross bar；12, leg lean rod；13,
Seat post；14, back lean rod；15, second connecting rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the scope of the present invention.
As depicted in figs. 1 and 2, in an illustrative examples of children cart frame provided by the present invention, the youngster
Virgin stroller frame includes preceding foot lever 1, rear foot lever 2, handle stem 3, sliding part 4 and retracting mechanism, rear foot lever 2 respectively with preceding foot lever 1
It is rotatably coupled with handle stem 3, sliding part 4 is arranged on handle stem 3, and can slide relative to handle stem 3, retracting mechanism
It is rotatably coupled with sliding part 4, to drive 1 He of preceding foot lever by retracting mechanism when sliding part 4 is slided relative to handle stem 3
Handle stem 3 respectively backward draw close by foot lever 2, to realize the folding of vehicle frame.
In above-mentioned illustrative examples, it is arranged on handle stem 3 by the way that sliding part 4 is arranged, and by sliding part 4, in cunning
Foot lever 2 leans on respectively backward for foot lever 1 and handle stem 3 before being able to drive when moving part 4 is slided relative to handle stem 3 by retracting mechanism
Hold together, to realize the folding of vehicle frame.In compared with the prior art by sliding part be arranged preceding foot lever, rear foot lever or preceding foot lever with
Afterwards at the tie point of foot lever, sliding part is arranged on handle stem in the embodiment, sliding part is higher relative to the height on ground,
Operator's force is more convenient, and also more conveniently and quickly to the operation of sliding part unlock, embracing children for proficiency can only be singlehanded
For the operator of operation, the operability of this structure is stronger.
Specifically, retracting mechanism includes actuator 5, actuator 5 be rotatably connected to sliding part 4 and rear foot lever 2 it
Between, to drive handle stem 3 by actuator 5 when sliding part 4 is slided relative to handle stem 3, foot lever 2 is drawn close backward.
By the way that actuator 5 is arranged, when sliding part 4 is slided relative to handle stem 3, sliding part 4 can drive and be connected thereto
Tie point rotation of the actuator 5 between actuator 5 and rear foot lever 2, the rotation of actuator 5 can be further driven to handle stem
3 backward foot lever 2 draw close, it is not only laborsaving but also conveniently；In addition, actuator 5 can also be right when children cart frame is in unfolded state
Handle stem 3 is supported, and improves the structural strength of children cart frame.
Further, retracting mechanism further includes first connecting rod 6, and first connecting rod 6 is rotatably connected to actuator 5 and front foot
Between bar 1, to pass through when actuator 5 moves, foot lever 1 backward draw close by foot lever 2 before first connecting rod 6 drives.
By the way that first connecting rod 6 is arranged, when sliding part 4 is slided relative to handle stem 3, actuator 5 can be driven to rotate, driven
Moving part 5 can drive first connecting rod 6 connected to it to rotate while rotation, the rotation of first connecting rod 6 can be further driven to
Preceding foot lever 1 backward draw close by foot lever 2, and then realizes the folding of vehicle frame.
In the above-described embodiments, the structure type of actuator 5 can there are many selections, as long as can be realized its effect i.e.
It can.For example, actuator 5 can be set square structure, the end at three angles of actuator 5 respectively with sliding part 4, rear foot lever 2 and
First connecting rod 6 is rotatably coupled.In another embodiment, actuator 5 includes rigidly connected first bar and the second bar, the
The end of one bar is rotatably coupled with sliding part 4, and end and the first connecting rod 6 of the second bar are rotatably coupled, rear foot lever 2 with
The rigid connection point of first bar and the second bar is rotatably coupled.
Actuator 5 is set as rigidly connected two bars, can reduce occupied space, avoids its of actuator 5 and vehicle frame
Interference between his components can also mitigate the total weight of vehicle frame.
Preferably, the length of the first bar is longer than the length of the second bar, so that the gap between handle stem 3 and rear foot lever 2 is more
Greatly, meet the requirement to the tilt angle of handle stem 3.
When vehicle frame is in unfolded state, the angle between the second bar and first connecting rod 6 is preferably but not limited to be 180 °.
In this way when folding, actuator 5 start turning after drive first connecting rod 6 be folded up, without first connecting rod 6 transversely to
It is retreated close to the direction of preceding foot lever 1, is conducive to the operating space for reducing first connecting rod 6, operability is stronger.
Angle between first bar and the second bar is preferably but not limited to as right angle or obtuse angle.Between first bar and the second bar
Angle be right angle, better supporting role can be played to handle stem 3；And the angle between the first bar and the second bar is blunt
Angle can be pressed downward handle stem 3, more labor-savingly after the unlock of sliding part 4 to realize cunning of the sliding part 4 relative to handle stem 3
It is dynamic；And angle is not easily caused when being obtuse angle and is got stuck, and so that the opposite of sliding part is slided more smooth, is effectively improved the effect folded
Rate.
In above-mentioned each embodiment, in vehicle frame folding, sliding can be realized by a variety of different modes of operation
Sliding of the part 4 relative to handle stem 3, for example push handle stem 3 or forward foot lever 2 etc. after promotion；It is dynamic for the folding of vehicle frame
Make, it can also be there are many form, for example, handle stem 3 and preceding foot lever 1 can be along identical reverses directions (such as along clockwise
Direction or in the counterclockwise direction) backward foot lever 2 draw close, can also be along opposite reverses direction (for example, handle stem 3 is along up time
Backward, preceding foot lever 1 is rearwardly in a counterclockwise direction in needle direction) backward foot lever 2 draw close.
Preferably, handle stem 3 can be such that sliding part 4 slides backward along handle stem 3 when by lower pressure, so that handle stem
3 downwardly turn over and close to rear foot lever 2.That is, handle stem 3 is along clockwise direction backward close to rear foot lever 2, and preceding foot lever 1 is along up time
Needle direction is backward close to rear foot lever 2, and the benefit being arranged in this way is to be pressed downward handle stem 3, and stress point is rear-wheel touchdown point, phase
It is easier with strength for, and operator applies downward pressure in the distal end of handle stem 3, the arm of force is longer, more labor-saving；If
Handle stem 3 is overturn forward, is equivalent to the weight for directly lifting entire vehicle frame, and only foot lever 2 and wheel gravity trigger equivalent point rearward
Rotation, it is relatively elaborate.
In addition, children cart frame can also include connector 7, handle stem 3 is rotatably connected to rear foot lever 2 and connect
At first tie point of part 7, preceding foot lever 1 is rotatably connected at the second tie point of connector 7.By the way that connector 7 is arranged,
It can disperse stress, the gap between each tie point can also be increased, the gap when folding between two neighboring rod piece
It will increase, to prevent from clamping the finger of operator or children during folding.
Preferably, connector 7 is that plastic parts can mitigate weight while meeting structural strength.
In the preferred embodiment of children cart frame of the present invention, handle stem 3 is L-shaped, and has quarter butt and stock,
The length of middle quarter butt is shorter, and the length of stock is longer, and the end of quarter butt is rotatably coupled with rear foot lever 2, and the setting of sliding part 4 exists
On stock.Handle stem 3 is set as L shape, can be convenient the setting of actuator 5, and folds more convenient.
In another embodiment of children cart frame of the present invention, children cart frame further includes first locking mechanism 8,
When first locking mechanism 8 is in the lock state, sliding part 4 is fixed relative to handle stem 3, at this point, sliding part 4 can not be relative to hand
Barre 3 slides；When first locking mechanism 8 is in the unlocked state, sliding part 4 can be slided relative to handle stem 3.Pass through setting the
One locking mechanism 8, can the locking to sliding part 4 controlled with unlock, guarantee the safety of vehicle frame.
Preferably, the junction between sliding part 4 and handle stem 3 can be set in first locking mechanism 8；Alternatively, first
The top hand grip portion of handle stem 3 can also be arranged in locking mechanism 8, to facilitate operation the operation of person.
In another embodiment of children cart frame of the present invention, handle stem 3 includes upper section and lower section, upper section and lower section
Between be rotatably coupled so that upper section can overturn and fold forward relative to lower section.Handle stem 3 is set as two sections of shape
Formula can make vehicle frame realize three folded structures, and folded volume is smaller, and occupied space is smaller, carries and stores and is more convenient.
Further, children cart frame further includes second locking mechanism 9, when second locking mechanism 9 is in the lock state,
Upper section 31 and the relatively fixed connection of lower section 32, at this point, upper section 31 can not be overturn relative to lower section 32；Second locking mechanism 9 is in
When unlocked state, upper section 31 can overturn and fold forward relative to lower section 32.
Specifically, second locking mechanism 9 may include sliding sleeve, and upper section 31 is arranged by sliding sleeve with lower section 32 and is connect, and lead to
The sliding for crossing sliding sleeve can make upper section 31 is opposite with lower section 32 to lock or unlock.Upper section 31 and lower section are realized by shift sleeve structure
Locking between 32 unlocks, and structure is simple, easy to operate.
It include upper section 31 and lower section 32 based on handle stem 3, vehicle frame further includes for lock slide 4 and handle stem 3
The top hand grip portion of one locking mechanism 8 and second locking mechanism 9 for locking upper section 31 Yu lower section 32, upper section 31 is equipped with unlock
Device 10 can be such that first locking mechanism 8 and/or second locking mechanism 9 unlocks by operating tripper 10.
Specifically, in one embodiment, tripper 10 can be only used for the unlock of control second locking mechanism 9.Such as
It is children cart frame from the state change map folded completely is deployed into shown in Fig. 3~7, before being folded, locks machine for first
Structure 8 unlocks, and handle stem 3 can be made integrally foot lever 2 is close backward by firmly pushing handle stem 3, while in the band of retracting mechanism
Also foot lever 2 is close backward for dynamic lower preceding foot lever 1, then unlocks second locking mechanism 9 by tripper 10, then upper section 31 is opposite
It is overturn in lower section 32, realizes the folding of handle stem 3.
In another embodiment, tripper 10 is connect by the first flexible piece with second locking mechanism 9, and upper section 31
It is connect by the second flexible piece with first locking mechanism 8, to pull second by the first flexible piece when operating tripper 10
Locking mechanism 9 unlocks, and pulls the first locking machine by the second flexible piece after upper section 31 overturns and folds relative to lower section 32
Structure 8 unlocks.
When folding, first passes through tripper 10 and pull the first flexible piece, unlock second locking mechanism 9, it at this time can be with
First upper section 31 is overturn and folded forward relative to lower section 32, after upper section 31 overturns and folds in place, upper section 31 can be pulled
Second flexible piece can push handle stem 3 at this time, make handle stem 3 and the equal direction of preceding foot lever 1 so that first locking mechanism 8 unlocks
Foot lever 2 is drawn close afterwards, realizes the folding of entire vehicle frame.
In yet another embodiment, tripper 10 is connected by flexible piece and first locking mechanism 8 and second locking mechanism 9
It connects, to pull first locking mechanism 8 and second locking mechanism 9 to unlock simultaneously by flexible piece when operating tripper 10.
As shown in Fig. 9~11, by tripper 10, first locking mechanism 8 and second locking mechanism 9 can be made while being solved
Lock, when folding upper section 31, can push upper section 31 and lower section 32 simultaneously, make upper section 31, lower section 32 and preceding foot lever 1 to the rear foot
Bar 2 is drawn close, and this mode keeps unlock more quick, is folded more efficient.
Certainly, in other embodiments, tripper 10 can also be only used for the unlock of control first locking mechanism 8, this
In be no longer described in detail.
As shown in figure 8, children cart frame further includes seat post group and second connecting rod 15, seat post group passes through second connecting rod
15 are rotatably coupled with sliding part 4, to drive seat by second connecting rod 15 when sliding part 4 is slided relative to handle stem 3
Bar group folds.
It, can be when sliding part 4 be slided relative to handle stem 3, in addition to driving 3 He of handle stem by the way that second connecting rod 15 is arranged
Preceding foot lever 1 can also drive seat post group to fold except foot lever 2 is drawn close backward simultaneously, keep folding more coherent, fold
It is more efficient.
Specifically, seat post group includes leg lean rod 12, seat post 13 and back lean rod 14, one end of seat post 13 with
Leg lean rod 12 is rotatably coupled, and the other end and the back lean rod 14 of seat post 13 are rotatably coupled, second connecting rod 15 with
Seat post 13 is rotatably coupled, to drive seat post 13 by second connecting rod 15 when sliding part 4 is slided relative to handle stem 3
It leans against bar 14 backward with leg lean rod 12 to draw close, to realize the folding of seat post group.
In addition, being arranged in front of the two of the left and right sides can be set cross bar between foot lever 1 for the overall stability for guaranteeing vehicle frame
11, cross bar 11 also can be set between foot lever 2 after two, to improve the structural stability of vehicle frame.
In above-mentioned each embodiment, the rod piece in children cart frame can be solid bar, strong with enhancing structure
Degree；Each rod piece can also be hollow pipe fitting, to mitigate the overall weight of vehicle frame.
It is all being related to " being rotatably connected " in above-mentioned each embodiment, it can be by the way of articulated connection, easily
In realization, high reliablity.
Based on above-mentioned children cart frame, the present invention also proposes a kind of children trolley, which includes above-mentioned
Children cart frame.Positive technical effect possessed by children cart frame is equally applicable to children and pushes away in above-mentioned each embodiment
Vehicle, which is not described herein again.
The specific structure of 1~11 pair of children cart frame of the present invention and one embodiment of children trolley with reference to the accompanying drawing
It is described in detail with folding process:
As depicted in figs. 1 and 2, which includes preceding foot lever 1, rear foot lever 2, handle stem 3, sliding part 4, driving
Part 5, first connecting rod 6 and connector 7, wherein handle stem 3 includes upper section 31 and lower section 32, and the lower section 32 of handle stem 3 is L-shaped, and
And there is quarter butt and stock；Actuator 5 is also L-shaped, including the first bar and the second bar；Sliding part 4 is set in the lower section of handle stem 3
On 32 stock, sliding part 4 can be slided relative to handle stem 3；One end of first bar of actuator 5 and sliding part 4 can be rotated
Ground connection, the tie point of the first bar and the second bar is rotatably connected with rear foot lever 2, and the end of the second bar of actuator 5 passes through the
One connecting rod 6 is rotatably connected with preceding foot lever 1, and wherein first connecting rod 6 can connect in the middle and upper part of preceding foot lever 1；Preceding foot lever 1 leans on
On one end be rotatably connected with rear foot lever 2；Foot lever 2 and the quarter butt end of the lower section 32 of handle stem 3 are rotatably connected afterwards；Its
In, preceding foot lever 1 can connect at the second tie point of connector 7, and rear foot lever 2 is connected to the first of connector 7 with handle stem 3
At tie point.
First locking mechanism is arranged on sliding part 4, and second locking mechanism is arranged between upper section 31 and lower section 32, unlock
The top hand grip portion of the upper section 31 of handle stem 3 is arranged in device 10, to facilitate operation person's operation.Pass through cross between foot lever 1 before two
Bar 11 connects, and handle stem 3 is U-shaped, can form stable vehicle frame seat space.
As shown in figure 8, seat post group includes leg lean rod 12, seat post 13 and back lean rod 14, one end of seat post 13
It is rotatably coupled with leg lean rod 12, the other end of leg lean rod 12 is free end, and leg lean rod 12 can be relative to seat
Bar 13 freely folds；The other end of seat post 13 is rotatably coupled with back lean rod 14, and the other end of back lean rod 14 is logical
It crosses other connecting rods to connect with vehicle frame, to guarantee the fixation of back lean rod 14；When needing folding stand, back lean rod 14 and other
Connection relationship between connecting rod can release, in order to adjust the tilt angle of back lean rod 14, convenient for folding；Second connecting rod 15
It is rotatably coupled with seat post 13.
As shown in figure 3, being side view when children cart frame is in unfolded state, seat post group etc. is omitted in the figure
Structure；As shown in figure 4, pushing handle stem 3 when first locking mechanism 8 unlocks, sliding part 4 can be made relative to handle stem 3
Lower section 32 is slided to the direction close to upper section 31, so that handle stem 3 can further foot lever 2 be drawn close and folded backward；Such as Fig. 5 institute
Show, during the pushing of handle stem 3, the rotation of actuator 5 can drive first connecting rod 6 rotate, thus drive before foot lever 1 to
Foot lever 2 is drawn close and is folded afterwards；As shown in fig. 6, for preceding foot lever 1 and handle stem 3, foot lever 2 is drawn close and folded state backward
Figure；As shown in fig. 7, when second locking mechanism 9 unlocks, it can be further by the upper section 31 of handle stem 3 relative to 32 folding of lower section
It is folded, to realize three folded structures, realize the complete folding of vehicle frame, folding volume is small, convenient for storage and carries.
As shown in figure 8, being in the side view of unfolded state for children cart frame includes in the figure seat post group
Structure；As shown in figure 9, upper section 31 can be overturn forward simultaneously when first locking mechanism 8 and second locking mechanism 9 unlock simultaneously
It folds, while pushing the upper section 31 of handle stem 3, sliding part 4 can be made to slide relative to lower section 32, pass through actuator 5 and first
Connecting rod 6 can drive lower section 32 and preceding foot lever 1 respectively along foot lever 2 is drawn close backward clockwise and anticlockwise；Meanwhile passing through second
Connecting rod 15 can drive seat post 13 and leg lean rod 12 to lean against bar 14 backward and draw close and fold；It as shown in Figure 10, is handle stem
3 further depression of folded state diagrams, back lean rod 14 is also closer to rear foot lever 2；As shown in figure 11, the state to fold completely
Figure, in folding process, leg lean rod 12 can be rotated relative to seat post 13, therefore operator directly can move leg with hand push
Portion's lean rod 12 is folded relative to seat post 13.
Pass through the explanation to children cart frame of the present invention and multiple embodiments of children trolley, it can be seen that youngster of the present invention
Virgin stroller frame and children trolley embodiment at least have the advantages that one or more of:
1, sliding part is arranged on handle stem, and the height apart from ground is higher, more convenient, the sliding part solution of operator's force
Lock is more conveniently and quickly；
2, handle stem includes upper section and lower section, vehicle frame can be made to realize three foldings, volume after folding is smaller, convenient for storing and taking
Band；
3, by setting tripper, it can be achieved that a variety of unlocking manners, fold more convenient.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (21)
1. a kind of children cart frame, which is characterized in that including preceding foot lever (1), rear foot lever (2), handle stem (3), sliding part (4)
And retracting mechanism, the rear foot lever (2) are rotatably coupled with the preceding foot lever (1) and the handle stem (3) respectively, the cunning
Moving part (4) is arranged on the handle stem (3), and can slide relative to the handle stem (3), the retracting mechanism with it is described
Sliding part (4) is rotatably coupled, to be folded when the sliding part (4) is slided relative to the handle stem (3) by described
Mechanism drives the preceding foot lever (1) and the handle stem (3) to draw close respectively to the rear foot lever (2), to realize the vehicle frame
Folding.
2. children cart frame according to claim 1, which is characterized in that the retracting mechanism includes actuator (5), institute
It states actuator (5) to be rotatably connected between the sliding part (4) and the rear foot lever (2), in the sliding part (4) phase
The handle stem (3) is driven to draw close to the rear foot lever (2) by the actuator (5) when for the handle stem (3) sliding.
3. children cart frame according to claim 2, which is characterized in that the retracting mechanism further includes first connecting rod
(6), the first connecting rod (6) is rotatably connected between the actuator (5) and the preceding foot lever (1), in the drive
The preceding foot lever (1) is driven to draw close to the rear foot lever (2) by the first connecting rod (6) when moving part (5) moves.
4. children cart frame according to claim 3, which is characterized in that the actuator (5) includes rigidly connected
First bar and the second bar, end and the sliding part (4) of first bar are rotatably coupled, the end of second bar with
The first connecting rod (6) is rotatably coupled, the rigid connection point of the rear foot lever (2) and first bar and second bar
It is rotatably coupled.
5. children cart frame according to claim 4, which is characterized in that described when the vehicle frame is in unfolded state
Angle between second bar and the first connecting rod (6) is 180 °.
6. children cart frame according to claim 4, which is characterized in that between first bar and second bar
Angle is right angle or obtuse angle.
7. children cart frame according to claim 1, which is characterized in that the handle stem (3) is when by lower pressure
The sliding part (4) can be made to slide backward along the handle stem (3), so that the handle stem (3) downwardly turns over and close to institute
State rear foot lever (2).
8. children cart frame according to claim 1, which is characterized in that further include connector (7), the handle stem
(3) it is rotatably connected at the first tie point of the connector (7) with the rear foot lever (2), the preceding foot lever (1) can turn
It is connected at the second tie point of the connector (7) dynamicly.
9. children cart frame according to claim 8, which is characterized in that the connector (7) is plastic parts.
10. children cart frame according to claim 1, which is characterized in that the handle stem (3) is L-shaped, and has
Quarter butt and stock, the end of the quarter butt are rotatably coupled with the rear foot lever (2), and the sliding part (4) is arranged described
On stock.
11. children cart frame according to claim 1, which is characterized in that it further include first locking mechanism (8), it is described
When first locking mechanism (8) is in the lock state, the sliding part (4) is fixed relative to the handle stem (3)；First lock
Determine mechanism (8) it is in the unlocked state when, the sliding part (4) can be slided relative to the handle stem (3).
12. children cart frame according to claim 11, which is characterized in that first locking mechanism (8) setting exists
Junction between the sliding part (4) and the handle stem (3)；Alternatively, the first locking mechanism (8) is arranged in the hand
The top hand grip portion of barre (3).
13. children cart frame according to claim 1, which is characterized in that the handle stem (3) include upper section (31) and
Lower section (32) is rotatably coupled between the upper section (31) and the lower section (32), so that the upper section (31) can be opposite
It overturns and folds forward in the lower section (32).
14. children cart frame according to claim 13, which is characterized in that it further include second locking mechanism (9), it is described
When second locking mechanism (9) is in the lock state, the upper section (31) and the lower section (32) relatively fixed connection；Described second
When locking mechanism (9) is in the unlocked state, the upper section (31) can overturn and fold forward relative to the lower section (32).
15. children cart frame according to claim 14, which is characterized in that the second locking mechanism (9) includes sliding
Set, the upper section (31), which is arranged with the lower section (32) by the sliding sleeve, to be connect, and can make institute by the sliding of the sliding sleeve
It states upper section (31) and is locked or unlocked relatively with the lower section (32).
16. described in any item children cart frames according to claim 1~15, which is characterized in that the handle stem (3) includes
Upper section (31) and lower section (32), the vehicle frame further include the first lock for locking the sliding part (4) and the handle stem (3)
Determine mechanism (8) and the second locking mechanism (9) for locking the upper section (31) Yu the lower section (32), the upper section (31)
Top hand grip portion is equipped with tripper (10), can make the first locking mechanism (8) by operating the tripper (10)
And/or second locking mechanism (9) unlock.
17. children cart frame according to claim 16, which is characterized in that the tripper (10) is soft by first
Property part connect with the second locking mechanism (9), and the upper section (31) passes through the second flexible piece and the first locking mechanism
(8) it connects, to pull the second locking mechanism (9) to solve by first flexible piece when operating tripper (10)
Lock, and overturn relative to the lower section (32) in the upper section (31) and pull described the by second flexible piece after folding
One locking mechanism (8) unlock.
18. children cart frame according to claim 16, which is characterized in that the tripper (10) passes through flexible piece
It is connect with the first locking mechanism (8) and the second locking mechanism (9), to pass through when operating tripper (10)
The flexible piece pulls the first locking mechanism (8) and the second locking mechanism (9) to unlock simultaneously.
19. described in any item children cart frames according to claim 1~15, which is characterized in that further include seat post group and
Second connecting rod (15), the seat post group are rotatably coupled by the second connecting rod (15) with the sliding part (4), with
The seat post group is driven to roll over by the second connecting rod (15) when the sliding part (4) is slided relative to the handle stem (3)
It is folded.
20. children cart frame according to claim 19, which is characterized in that the seat post group includes leg lean rod
(12), seat post (13) and back lean rod (14), one end of the seat post (13) and the leg lean rod (12) are rotationally
Connection, the other end of the seat post (13) is rotatably coupled with the back lean rod (14), the second connecting rod (15) and
The seat post (13) is rotatably coupled, described to pass through when the sliding part (4) is slided relative to the handle stem (3)
Second connecting rod (15) drives the seat post (13) and the leg lean rod (12) Xiang Suoshu back lean rod (14) to draw close, thus real
The folding of the existing seat post group.
21. a kind of children trolley, which is characterized in that including the described in any item children cart frames of such as claim 1~20.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843657.8A CN109515507B (en) | 2017-09-19 | 2017-09-19 | Child cart frame and child cart |
| PCT/CN2017/106821 WO2019056436A1 (en) | 2017-09-19 | 2017-10-19 | Stroller frame and stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843657.8A CN109515507B (en) | 2017-09-19 | 2017-09-19 | Child cart frame and child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515507A true CN109515507A (en) | 2019-03-26 |
| CN109515507B CN109515507B (en) | 2024-04-09 |
Family
ID=65768321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710843657.8A Active CN109515507B (en) | 2017-09-19 | 2017-09-19 | Child cart frame and child cart |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109515507B (en) |
| WO (1) | WO2019056436A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111071331A (en) * | 2020-01-08 | 2020-04-28 | 绍兴上虞日星五金制品有限公司 | Automatic folding and standing-keeping baby stroller |
| CN111204368A (en) * | 2020-03-19 | 2020-05-29 | 中山市宝蓓悠日用制品有限公司 | a children's stroller |
| CN111605601A (en) * | 2020-05-27 | 2020-09-01 | 好孩子儿童用品有限公司 | a children's stroller |
| CN111746617A (en) * | 2019-03-29 | 2020-10-09 | 珠海阳光儿童用品有限公司 | Stroller Frames and Strollers |
| CN112441102A (en) * | 2019-09-02 | 2021-03-05 | 珠海阳光儿童用品有限公司 | Baby carriage frame and baby carriage |
| CN113147878A (en) * | 2021-04-27 | 2021-07-23 | 珠海阳光儿童用品有限公司 | Stroller frame with foldable rear wheel set |
| TWI765729B (en) * | 2021-06-02 | 2022-05-21 | 樹德科技大學 | Multi-purpose shopping trolley for motorcycle |
| US20240059342A1 (en) * | 2019-01-08 | 2024-02-22 | Wonderland Switzerland Ag | Child stroller frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112455523B (en) * | 2019-09-06 | 2025-08-19 | 珠海阳光儿童用品有限公司 | Baby carriage |
| CN110920739B (en) * | 2019-11-04 | 2024-11-05 | 好孩子儿童用品有限公司 | Locking mechanism for children's product and children's product |
| CN111152827B (en) * | 2020-01-22 | 2024-11-29 | 好孩子儿童用品有限公司 | Child cart |
| CN111152826B (en) * | 2020-01-22 | 2024-11-29 | 好孩子儿童用品有限公司 | Child cart |
| CN111874077B (en) * | 2020-07-23 | 2024-11-01 | 好孩子儿童用品有限公司 | Child cart |
| CN112009550B (en) * | 2020-08-13 | 2024-11-01 | 好孩子儿童用品有限公司 | Child cart |
| CN113147879B (en) * | 2021-04-27 | 2025-03-04 | 珠海阳光儿童用品有限公司 | Foldable seat frame for baby carriage |
| CN116215634B (en) * | 2023-03-02 | 2024-11-29 | 好孩子儿童用品有限公司 | A child stroller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20240059342A1 (en) * | 2019-01-08 | 2024-02-22 | Wonderland Switzerland Ag | Child stroller frame |
| CN111746617A (en) * | 2019-03-29 | 2020-10-09 | 珠海阳光儿童用品有限公司 | Stroller Frames and Strollers |
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| CN111071331A (en) * | 2020-01-08 | 2020-04-28 | 绍兴上虞日星五金制品有限公司 | Automatic folding and standing-keeping baby stroller |
| CN111204368A (en) * | 2020-03-19 | 2020-05-29 | 中山市宝蓓悠日用制品有限公司 | a children's stroller |
| CN111605601A (en) * | 2020-05-27 | 2020-09-01 | 好孩子儿童用品有限公司 | a children's stroller |
| CN113147878A (en) * | 2021-04-27 | 2021-07-23 | 珠海阳光儿童用品有限公司 | Stroller frame with foldable rear wheel set |
| TWI765729B (en) * | 2021-06-02 | 2022-05-21 | 樹德科技大學 | Multi-purpose shopping trolley for motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019056436A1 (en) | 2019-03-28 |
| CN109515507B (en) | 2024-04-09 |
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