CN109291982A - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN109291982A CN109291982A CN201710608210.2A CN201710608210A CN109291982A CN 109291982 A CN109291982 A CN 109291982A CN 201710608210 A CN201710608210 A CN 201710608210A CN 109291982 A CN109291982 A CN 109291982A
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- China
- Prior art keywords
- poppet
- sliding part
- sliding
- interlocking bar
- wheel
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000033228 biological regulation Effects 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a kind of children trolleys, and including the stroller frame with unfolded state and folded state, the stroller frame includes push handle, lower push-rod, fore-stock, after-poppet, the first interlocking bar, the second interlocking bar and stand connection；The stroller frame further includes that sliding part and the unlocking mechanism with sliding part cooperation, first interlocking bar and second interlocking bar are connected to the sliding part and are connected to the after-poppet by the sliding part；Regulate and control the unlocking mechanism to unlock the sliding part and the sliding part is driven to slide to the lower end of the after-poppet, so that the fore-stock and the lower push-rod are folded to the two sides of the after-poppet.Children trolley of the invention realizes linkage of unlocking at multiple folding positions, it unlocks a position and carries out in folding process, while the other positions that link are unlocked and folded together, so may be implemented rapidly to fold, and simplicity is folded, keeps user more convenient in use.
Description
Technical field
The present invention relates to perambulator technical field more particularly to a kind of children trolleys of convenient folding.
Background technique
Children trolley brings convenience due to looking after children to people, has been widely used.In order to make
Children trolley is easy to carry and storage, children trolley are typically designed to folding mode.However, existing children trolley faces
Be difficult to dismantle the difficulty of folding, user needs just to complete to fold by children trolley by multiprogramming, or even many uses
Family is easily damaged children trolley under incorrect disassembly mode.
Summary of the invention
In view of this, the invention proposes it is a kind of can convenient folding children trolley to solve the above technical problems.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
One side according to an embodiment of the present invention provides a kind of children trolley, including with unfolded state and rugosity
The stroller frame of state, the stroller frame include push handle, lower push-rod, fore-stock, after-poppet, the first interlocking bar, the second linkage
Bar and stand connection；
The fore-stock lower end is equipped with front component, and the after-poppet lower end is equipped with wheel assembly；
The fore-stock, the after-poppet and the lower push-rod are rotationally connected with the stand connection respectively；
One end of first interlocking bar is rotationally connected with the fore-stock, and the other end of first interlocking bar is connected to
The after-poppet；
One end of second interlocking bar is rotationally connected with the lower push-rod, and the other end of second interlocking bar is connected to
The after-poppet；
The stroller frame further includes sliding part and the unlocking mechanism with sliding part cooperation, first interlocking bar
The sliding part is connected to second interlocking bar and the after-poppet, the sliding are connected to by the sliding part
Part can be slided by the axial direction drivingly along the after-poppet；
Wherein, after the relatively described lower push-rod of the push handle folds, regulate and control the unlocking mechanism to unlock the sliding
Part simultaneously drives the sliding part to slide to the lower end of the after-poppet so that the fore-stock and the lower push-rod be folded to it is described after
The two sides of bracket.
Children trolley of the present invention further improvement lies in that, the unlocking mechanism include and the sliding part cooperation locking
Locking piece and the unlock piece cooperated with the locking piece；Wherein, the locking piece moves under unlock piece driving with de-
From in the sliding part so that the sliding part can the axial direction by controlling along the after-poppet slide.
Children trolley of the present invention further improvement lies in that, the locking piece be latch hook, the latch hook be located at it is described after branch
Upper end in frame；Wherein, the latch hook includes latch hook ontology and the hook set on latch hook ontology one end, the unlock piece connection
In the other end of the latch hook ontology, the latch hook ontology is rotationally connected in the after-poppet；
Wherein, latch hook ontology being rotated by the unlock piece, so that the hook is from the sliding part
It is detached from, and then slides the sliding part in the axial direction of the after-poppet.
Children trolley of the present invention further improvement lies in that, the wheel assembly includes rear-wheel connector and axis be connected to it is described
Rear-wheel on rear-wheel connector, the rear-wheel connector are rotationally connected with the after-poppet；The stroller frame further includes set on described
Linkage unit in after-poppet, the linkage unit are connected to the rear-wheel connector；
Wherein, when the sliding part slides to the lower end of the after-poppet, the sliding part acts on the linkage unit,
So that the rear-wheel connector that links after the linkage unit unlock, and then turn the relatively described stroller frame of the rear-wheel connector
It is dynamic.
Children trolley of the present invention further improvement lies in that, the linkage unit includes unlocking mechanism and interlocking bar, institute
Stating unlocking mechanism includes upper rack, lower rack gear and the gear for being engaged in the upper rack and the lower rack gear respectively, under described
The lower end of rack gear is equipped with the lock pin with rear-wheel connector cooperation locking, and the lower end of the interlocking bar is connected to the rear-wheel and connects
Head.
Children trolley of the present invention further improvement lies in that, the side of the relatively described stroller frame of the rear-wheel is with -180 °
It is rotated in the range of~180 °.
Children trolley of the present invention further improvement lies in that, the sliding part be sliding block, the after-poppet be equipped with and institute
State the sliding slot of sliding block cooperation；Wherein, the sliding block is limited in the sliding slot and moves along the sliding slot.
Children trolley of the present invention further improvement lies in that, the sliding part be sliding sleeve, the after-poppet be equipped with and institute
State the sliding zones of sliding sleeve cooperation；Wherein, the sliding sleeve is limited in the sliding zones and slides in the sliding zones.
Children trolley of the present invention further improvement lies in that, the stroller frame further includes being connected to the push handle and institute
State the transmission mechanism between lower push-rod and the first locking mechanism with transmission mechanism cooperation；The transmission mechanism includes passing
Moving axis, the push handle are rotated by the transmission shaft relative to the lower push-rod；
The first locking mechanism includes that regulation portion, one end in the push handle are connect with the regulation portion
One hauling rope, the closing piece set on the first hauling rope other end and the lock tooth that is sheathed on the transmission shaft, the lock tooth
It is equipped with wedge block, the closing piece is equipped with the receiving portion cooperated with the wedge block；
Wherein, the closing piece rotates under the traction of first hauling rope, and the wedge block is removed in described accommodation section,
So that lock tooth is along the sliding axially for transmission shaft and far from the closing piece to unlock.
Children trolley of the present invention further improvement lies in that, the transmission mechanism further includes being fixed on the transmission shaft
Driving wheel；
The stroller frame further includes second locking mechanism, and the second locking mechanism includes one ends wound in the transmission
The second hauling rope on wheel and the solution closing piece for being connected to the second hauling rope other end；
Wherein, the solution closing piece is located at the lower end of the lower push-rod, to cooperate locking and solution with the stand connection
Lock.
The technical solution that the embodiment of the present invention provides can include the following benefits: children trolley of the present invention passes through the
One interlocking bar, the cooperation unlocking mechanism unlock of the second interlocking bar have so that fore-stock and lower push-rod can be folded with respect to after-poppet
Fold smooth, rapid and convenient and foldable integral feature small in size.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of stroller frame shown in an exemplary embodiment of the invention；
Fig. 2 is a kind of side schematic view of stroller frame shown in an exemplary embodiment of the invention；
Fig. 3 is the structural schematic diagram that a kind of push handle of stroller frame shown in an exemplary embodiment of the invention folds；
Fig. 4 is that a kind of decomposition texture of the junction of the push handle and lower push-rod shown in an of the invention exemplary embodiment shows
It is intended to；
Fig. 5 is the structural schematic diagram that a kind of stroller frame shown in an exemplary embodiment of the invention folds；
Fig. 6 is a kind of diagrammatic cross-section of the after-poppet of stroller frame shown in an exemplary embodiment of the invention；
Fig. 7 is the folded side view of a kind of stroller frame shown in an exemplary embodiment of the invention；
Fig. 8 is the folded front view of a kind of stroller frame shown in an exemplary embodiment of the invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention, it is in the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
As depicted in figs. 1 and 2, the children trolley of the embodiment of the present invention includes the cart with unfolded state and folded state
Vehicle frame 1, when using the children trolley, children trolley is in unfolded state；Children trolley without using or carry when, lead to
Folding is crossed so that children trolley is in folded state, such that the occupied space of children trolley is smaller.The stroller frame 1 packet
Include push handle 11, lower push-rod 12, fore-stock 13, after-poppet 14, the first interlocking bar 16, the second interlocking bar 17 and bracket connection
Part 15.
Wherein, 13 lower end of fore-stock is equipped with front component, and 14 lower end of after-poppet is equipped with wheel assembly.The front component can be with
It is one group or two groups, when front component is one group, which is set to the middle position of 13 lower end of fore-stock；When
When front component is two groups, front component sets up the two sides in 13 lower end of the fore-stock separately.
The front component includes front-wheel connector 21 and axis connects the front-wheel 22 on front-wheel connector 21, front-wheel 22 with it is preceding
The pin shaft of connector 21 is taken turns as axis rotation.The front-wheel connector 21 is connect with fore-stock 13 by steering shaft and can be with the steering shaft
Axis carries out 360 ° of rotations, which is in vertical direction, and front-wheel can be rotated with front-wheel connector by axis of steering shaft, so as to
So that children trolley can be turned to flexibly.Further, brake assemblies are also provided on the front-wheel connector 21, to limit
The movement of children trolley, avoids car slipping that accident occurs.
Wheel assembly includes rear-wheel connector 31 and axis is connected to the rear-wheel 32 on rear-wheel connector 31, and rear-wheel 32 with rear-wheel to connect
First 31 pin shaft is axis rotation.The rear-wheel connector 31 is rotationally connected with after-poppet 14, and specifically, which passes through pin shaft
It is connected on after-poppet 14, and is vertically and horizontally being overturn by axis of the pin shaft, rear-wheel 32 of the invention can lead to
Pin shaft turning inside out to stroller frame 1 is crossed, so that without departing from the width direction of 1 two sides of stroller frame after the folding of rear-wheel 32.When
So, in other embodiments, which can also be by pin shaft to the outer side to overturn of stroller frame 1.
Fore-stock 13, after-poppet 14 and lower push-rod 12 are rotationally connected with stand connection 15 respectively, the stand connection 15
In T font, to be engaged between fore-stock 13, after-poppet 14 and lower push-rod 12.Axis is connected to respectively for fore-stock 13, lower push-rod 12
It in stand connection 15, and can be rotated relative to stand connection 15, specifically, lower push-rod 12 can be turned folding in rear branch
Frame 14, fore-stock 13 can also be turned folding in after-poppet 14, and when stroller frame 1 is in folded state, fore-stock 13 is under
Push rod 12 is located at the two sides of after-poppet 14.
First interlocking bar 16 is connected between fore-stock 13 and after-poppet 14, the second interlocking bar 17 be connected to lower push-rod 12 with
Between after-poppet 14.Wherein, one end of the first interlocking bar 16 is rotationally connected with fore-stock 13, and the other end of the first interlocking bar 16 connects
It is connected to after-poppet 14.One end of second interlocking bar 17 is rotationally connected with lower push-rod 12, and the other end of the second interlocking bar 17 is connected to
After-poppet 14, when stroller frame 1 is in use state, first interlocking bar 16 and the second interlocking bar 17 have supporting role,
The overall structural strength of the stroller frame 1 can be enhanced.
In an embodiment of the present invention, push handle 11 is U-shaped, and for fore-stock 13 also to be U-shaped, the two sides of the stroller frame 1 are equal
Combination with the mating connection of lower push-rod 12, stand connection 15, after-poppet 14, the first interlocking bar 16 and the second interlocking bar 17,
Stroller frame 1 fold or in use, two sides lower push-rod 12, after-poppet 14, the first interlocking bar 16 and the second interlocking bar 17
It moves synchronously.
Stroller frame 1 of the invention further include the transmission mechanism being connected between push handle 11 and lower push-rod 12 and with biography
The first locking mechanism of motivation structure cooperation.Push handle 11 can be folded by transmission mechanism with respect to lower push-rod 12, so may be used
So that stroller frame 1 can be folded into smaller size.Push handle 11 can be made with respect to lower push-rod 12 by first locking mechanism
Expansion locking, with for users to use.
As shown in Figures 1 to 4, transmission mechanism includes transmission shaft 40, and push handle 11 is by transmission shaft with respect to 12 turns of lower push-rod
It is dynamic, so as to so that push handle 11 folds or is unfolded with respect to lower push-rod 12.First locking mechanism includes being set in push handle 11
Regulation portion 41, one end and regulation portion 41 connect the first hauling rope 42, set on 42 other end of the first hauling rope closing piece 43, with
And it is sheathed on the lock tooth 44 on transmission shaft 40.The lock tooth 44 is equipped with wedge block, and closing piece 43 is equipped with the appearance cooperated with wedge block
Receive portion, when wedge block is assemblied in receiving portion, lock tooth 44 and the cooperation of closing piece 43 are locked.Wherein, closing piece 43 is in the first hauling rope
It is rotated under 42 traction, wedge block is removed in receiving portion, so that lock tooth 44 is along sliding axially for transmission shaft 40 and far from closing piece 43
To unlock.In this embodiment, closing piece 43 during rotation so that lock tooth 44 is by the inclined-plane of wedge block gradually from receiving
It is screwed out in portion, so that closing piece 43 and the spacing locked between tooth 44 be made to be gradually increased, i.e. the lock solution from closing piece 43 of tooth 44 is lock out.
In an alternative embodiment of the invention, which is the button set on push handle 11, in the initial state, lock
The lock of tooth 44 is assigned in closing piece 43, and push handle 11 is unfolded with respect to lower push-rod 12 at this time.User needs when needing Folding trolley vehicle frame 1
Push handle 11 and lower push-rod 12 are unlocked in advance, that is, pass through push button so that button drives the first hauling rope 42 to pull closing piece 43
Rotation, lock at this time tooth 44 on it under the action of wedge block along the axial movement of transmission shaft with from closing piece 43 solution lock out, thus
The unlock between push handle 11 and lower push-rod 12 is realized, so that push handle 11 can be turned folding with respect to lower push-rod 12.Or
The regulation portion 41 can also in push handle 11 knob and the regulation portion 41 can be push handle 11 a part, it is logical
It crosses and rotates the knob portion, so that knob drives the first hauling rope 42 that transmission shaft 40 is pulled to rotate, above-mentioned push away equally may be implemented
Handle 11 and lower push-rod 12 unlock, and just it is no longer repeated herein.
Wherein, transmission mechanism further includes the driving wheel 45 being fixed on transmission shaft 40.First locking mechanism further includes being set to
Elastic component (not shown) between driving wheel 45 and lock tooth 44, which can be spring.In lock 44 lock block opposite lock block 43 of tooth solution
When lock, lock tooth 44 is skidded off out of closing piece 43, so that elastic component is in compressive state, therefore is locked tooth 44 and is returned by the elasticity of elastic component
Multiple power.When locking the wedge block on tooth 44 corresponding to receiving portion, lock tooth 44 is fitted into closing piece 43 real under the action of the elastic member
Now lock.
Stroller frame 1 further includes second locking mechanism, and second locking mechanism includes one ends wound on driving wheel 45
Two hauling ropes 46 and the solution closing piece (not shown) for being connected to 46 other end of the second hauling rope.In the present invention, solution closing piece is located at
The lower end of lower push-rod 12, to cooperate locking and unlock with stand connection 15.Specifically, it is in stroller frame 1 and uses shape
It when state, can be inserted in stand connection 15 by solving closing piece, so as to limit lower push-rod 12 with respect to stand connection 15
Rotation.Second locking mechanism of the invention and transmission mechanism linkage are arranged, and after first locking mechanism unlock, push handle 11 is opposite
In 12 rotation process of lower push-rod, rotated by the linkage driving wheel 45 of transmission shaft 40, driving wheel 45 winds the second hauling rope 46
Thereon, and then the second hauling rope 46 is made to pull solution closing piece, so that solution closing piece is detached from lower push-rod 12, to realize lower push-rod 12
With the unlock of stand connection 15.
Seat bracket 18 is additionally provided in stroller frame 1, with for assembling child cushion, which is pivotally connected to
The junction of lower push-rod 12 and stand connection 15.The seat bracket 18 can be rotated to adjust the angle of child cushion with being conditioned
Degree, when folding the stroller frame 1, which also can be adjusted rotation to be adapted to folding angles, to be conducive to
Further decrease space shared by stroller frame 1.
Further, as shown in Fig. 1, Fig. 5 to Fig. 8, stroller frame 1 of the invention further include sliding part 51 and with cunning
The unlocking mechanism that moving part 51 cooperates, the first interlocking bar 16 and the second interlocking bar 17 are connected to sliding part 51 and pass through sliding part
51 are connected to after-poppet 14, which can be slided by the axial direction drivingly along after-poppet 14.Wherein, opposite in push handle 11
After lower push-rod 12 folds, the lower end for regulating and controlling unlocking mechanism to unlock sliding part 51 and sliding part 51 is driven to slide to after-poppet 14, with
Fore-stock 13 and lower push-rod 12 is set to be folded to the two sides of after-poppet 14.I.e. when stroller frame 1 is in use state, this first
Lever 16, the second interlocking bar 17 and sliding part 51 are locked in the upper end of after-poppet 14；When stroller frame 1 is in folded state,
First interlocking bar 16, the second interlocking bar 17 and sliding part 51 are located at the lower end of after-poppet 14.
In the present invention, unlocking mechanism includes matching with the locking piece 52 of the cooperation locking of sliding part 51 and with locking piece 52
The unlock piece 53 of conjunction.Wherein, locking piece 52 moves under the driving of unlock piece 53 to be detached from sliding part 51, so that sliding part 51 can
By controlling the axial direction along after-poppet 14 slides.The unlocking mechanism is set to the upper end of after-poppet 14, and children trolley is in use state
When, sliding part 51 is locked to the upper end of after-poppet 14, when needing to fold the children trolley, by control unlocking mechanism to cunning
Moving part 51 is unlocked, so as to so that children trolley can unlock.
In an alternative embodiment, which is sliding block, and after-poppet 14 is equipped with the sliding slot cooperated with sliding block, locking
Part 52 can be locked by lock hook in realization on sliding block.Wherein, which is limited in sliding slot and moves along the chute.Preferably,
Sliding slot is set to the medial surface of after-poppet 14, so as to so that the appearance of children trolley is more beautiful, and in folding process more
Safety.First interlocking bar 16 and the second interlocking bar 17 cooperation sliding block move synchronously, so that lower push-rod 12 and fore-stock 13 can be same
When fold perhaps be unfolded simultaneously so as to simplify stroller frame 1 fold or expansion the step of, and can accelerate fold or
The speed of person's expansion.
In a further alternative embodiment, which is sliding sleeve, and after-poppet 14, which is equipped with, slides area with what sliding sleeve cooperated
Domain, wherein sliding sleeve is limited in sliding zones and slides in sliding zones.Locking piece 52 is by being held in the sliding road of sliding sleeve
On diameter, so that the sliding of the sliding sleeve is limited, to realize the locking to sliding part 51.First interlocking bar 16 and the second interlocking bar 17 are matched
It closes sliding sleeve to move synchronously, so that lower push-rod 12 and fore-stock 13 can fold simultaneously or be unfolded simultaneously, be pushed away so as to simplification
Vehicle carriage 1 folds the step of being perhaps unfolded and can accelerate the speed for folding or being unfolded.
In an embodiment of the present invention, which is latch hook, and latch hook is located at the upper end in after-poppet 14, the latch hook
Middle position is connected in after-poppet 14 by pin shaft, can so allow latch hook in after-poppet 14 using pin shaft as axis into
Row rotation.The latch hook includes latch hook ontology and the hook set on latch hook ontology one end, and hook with sliding block to cooperate.Unlock piece
53 are connected to the other end of latch hook ontology, and latch hook ontology is rotationally connected in after-poppet 14, i.e., the middle position of latch hook ontology is logical
Cross pin shaft connection.Correspondingly, which is equipped with the clamping portion cooperated with hook, after hook card is assigned in clamping portion, i.e.,
The sliding part is in the lock state；Latch hook ontology is rotated by unlock piece 53, so that hook is detached from from sliding part, from
And realize unlock, and then slide sliding part 51 in the axial direction of after-poppet 14.Certainly, in the other embodiment of the present invention
In, which can be lock pin, lock tongue etc., and the structural member that may be implemented to lock and unlock should be included in implementation of the invention
In example.
In an alternative embodiment, unlock piece 53 is the solution lock strap for being connected to latch hook ontology, or for set on after-poppet 14
On button.In the embodiment of the present invention, for unlock piece 53 using solution lock strap, the both ends of the solution lock strap are connected to the lock of two sides
Determine on part 52, user is when needing Folding trolley vehicle frame 1, by pulling unlock band to be unlocked, to make the stroller frame 1 can
To fold.In an other embodiment, button be can be set on after-poppet 14, by manually actuated button with linkage locking part
52, to make the rotation of locking piece 52 to unlock sliding part 51, the folding of stroller frame 1 equally may be implemented.Unlock of the invention
Part is not limited to the embodiment of above-mentioned solution lock strap and button, and in other embodiments, which can also be electric linkage
Mechanism or the link mechanism etc. cooperated with unlock piece.
Stroller frame 1 of the invention further includes the linkage unit in after-poppet 14, and linkage unit is connected to rear-wheel and connects
First 31.Cooperate wheel assembly by the linkage unit, it, can be with when so that lower push-rod 12, fore-stock 13 being folded with respect to after-poppet 14
It unlocks simultaneously and triggers rear-wheel 32 and pack up, so as to further decrease the folded size of stroller frame 1.Specifically, in cunning
When moving part 51 slides to the lower end of after-poppet 14, sliding part 51 acts on linkage unit, so that the rear-wheel that links after linkage unit unlock
Connector 31, and then rotate rear-wheel connector 31 relative to stroller frame 1.In the present embodiment, linkage unit linkage rear-wheel connector 31
It being rotated relative to the inside of stroller frame 1, wherein the inside in the present invention refers to that the opposite flank of two rear-wheels 32 is inside,
In one embodiment of this invention, which includes unlocking mechanism and interlocking bar 61, unlocking mechanism include
The lower end of upper rack 62, lower rack gear 63 and the gear 64 for being engaged in upper rack 62 and lower rack gear 63 respectively, lower rack gear 63 is equipped with
With the lock pin 631 of the cooperation locking of rear-wheel connector 31, the lower end of interlocking bar 61 is connected to rear-wheel connector 31.Preferably, interlocking bar 61
Rear-wheel connector 31 is connected to close to the one end in outside, so as to so that rear-wheel connector 31 drives rear-wheel 32 into stroller frame 1
Side rotation (i.e. two rear-wheels 32 are rotated towards relative direction).Certainly, in other embodiments, interlocking bar 61 can also be passed through
Lower end is connected to the other positions of rear-wheel connector 31, so that the other directions rotations downward of rear-wheel 32, such as towards stroller frame 1
Outside rotation, or rotated etc. towards the relative direction of front-wheel 22 and rear-wheel 32.
In the composite structure of the linkage unit, when upper rack 62 moves downward, it is driven by gear 64 so that lower rack gear
63 move upwards, and with pendulum lock pin 631, the solution out of stand connection 15 is lock out lower rack gear 63, at this time rear-wheel connector 31 can relatively under
Push rod 12 rotates, and then sliding part 51 continues to move down and act on interlocking bar 61, and interlocking bar 61 is then held in rear-wheel connector
On 31, so that rear-wheel connector 31 is rotated using the connecting shaft with lower push-rod 12 as axis, so as to so that rear-wheel connector 31 carries out
Folding is packed up.Optionally, the rear-wheel 32 relative to the side of stroller frame 1 with -180 °~180 ° in the range of rotate.The present invention
In, when which is in folded state, the inside of rear-wheel 32 towards the stroller frame 1 has rotated 90 °, so that rear-wheel 32
Side fit in folded stroller frame 1, so can to avoid rear-wheel 32 occupy larger space.Pass through the side of rear-wheel 32
Face lands, and folded stroller frame 1 can independently stand, and front-wheel 22 is shielded in stroller frame, and user is not easy to touch
Contact the dirt on front-wheel 22 and rear-wheel 32.
As shown in Figures 1 to 8, in the present invention, stroller frame 1 is switched to the concrete operations of folded state from use state
Are as follows: by the regulation portion 41 at 11 top of manipulation push handle so that the first hauling rope 42 pulls closing piece 43 to rotate, so that lock tooth 44 is logical
The inclined-plane for crossing wedge block is gradually screwed out out of receiving portion, so that closing piece 43 and the spacing locked between tooth 44 be made to be gradually increased, is realized
The lock solution from closing piece 43 of tooth 44 is lock out, and push handle 11 can be folded on lower push-rod 12 by user at this time.
In push handle 11 with respect in 12 rotation process of lower push-rod, transmission shaft 40 rotates together and driving wheel 45 is driven to rotate,
The second hauling rope 46 is triggered at this time and pulls solution closing piece, so that solution closing piece is removed out of stand connection 15, to realize down
Unlock between push rod 12 and stand connection 15 can solve lock strap by pulling at this time, and solution lock strap unlocks sliding part 51, cart
Vehicle frame 1 is under self gravitation effect so that lower push-rod 12 and fore-stock 13 can be simultaneously to the folding of after-poppet 14, at this time the first linkages
Bar 16, the second interlocking bar 17 are slided to the lower end of after-poppet 14 together with sliding part 51；It is first in taxiing procedures in sliding part 51
It is held on upper rack 62, upper rack 62 is rotated with moving gear 64, and gear 64 then drives lower rack gear 63 to move upwards, so that lower tooth
The lock pin 631 of item 63 solution out of rear-wheel connector 31 is lock out, and then sliding part 51 is held in interlocking bar 61, so that interlocking bar 61 is made
For rear-wheel connector 31, the beat rear-wheel 32 under the thrust of interlocking bar 61 of rear-wheel connector 31, to make rear-wheel 32 to stroller frame 1
Inside rotation completes the folding of the stroller frame 1 after rear-wheel 32 rotates 90 °.The each joint of the folding process is close
Cooperation, folding process is more smooth, brings preferable experience to user.
Stroller frame of the invention realizes linkage of unlocking at multiple folding positions, that is, unlocks a position and folded
In the process, while the other positions that link are unlocked and are folded together, so be may be implemented rapidly to fold, and fold simplicity, be made
User is more convenient in use.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by the application
Claim point out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of children trolley, which is characterized in that including the stroller frame with unfolded state and folded state, the cart vehicle
Frame includes push handle, lower push-rod, fore-stock, after-poppet, the first interlocking bar, the second interlocking bar and stand connection；
The fore-stock lower end is equipped with front component, and the after-poppet lower end is equipped with wheel assembly；
The fore-stock, the after-poppet and the lower push-rod are rotationally connected with the stand connection respectively；
One end of first interlocking bar is rotationally connected with the fore-stock, and the other end of first interlocking bar is connected to described
After-poppet；
One end of second interlocking bar is rotationally connected with the lower push-rod, and the other end of second interlocking bar is connected to described
After-poppet；
The stroller frame further includes sliding part and the unlocking mechanism with sliding part cooperation, first interlocking bar and institute
It states the second interlocking bar to be connected to the sliding part and be connected to the after-poppet by the sliding part, the sliding part can
It is slided by the axial direction drivingly along the after-poppet；
Wherein, after the relatively described lower push-rod of the push handle folds, regulate and control the unlocking mechanism to unlock the sliding part simultaneously
The sliding part is driven to slide to the lower end of the after-poppet, so that the fore-stock and the lower push-rod are folded to the after-poppet
Two sides.
2. children trolley according to claim 1, which is characterized in that the unlocking mechanism includes cooperating with the sliding part
The locking piece of locking and the unlock piece cooperated with the locking piece；Wherein, the locking piece is moved down in unlock piece driving
It is dynamic to be detached from the sliding part so that the sliding part can the axial direction by controlling along the after-poppet slide.
3. children trolley according to claim 2, which is characterized in that the locking piece is latch hook, and the latch hook is located at institute
State the upper end in after-poppet；Wherein, the latch hook includes latch hook ontology and the hook set on latch hook ontology one end, the unlock
Part is connected to the other end of the latch hook ontology, and the latch hook ontology is rotationally connected in the after-poppet；
Wherein, latch hook ontology being rotated by the unlock piece, so that the hook is detached from from the sliding part,
And then slide the sliding part in the axial direction of the after-poppet.
4. children trolley according to claim 2, which is characterized in that the wheel assembly includes that rear-wheel connector and axis connect
Rear-wheel on the rear-wheel connector, the rear-wheel connector are rotationally connected with the after-poppet；The stroller frame further includes setting
Linkage unit in the after-poppet, the linkage unit are connected to the rear-wheel connector；
Wherein, when the sliding part slides to the lower end of the after-poppet, the sliding part acts on the linkage unit, so that
Link the rear-wheel connector after the linkage unit unlock, and then rotates the rear-wheel connector relative to the stroller frame.
5. children trolley according to claim 4, which is characterized in that the linkage unit includes unlocking mechanism and linkage
Bar, the unlocking mechanism include upper rack, lower rack gear and the gear for being engaged in the upper rack and the lower rack gear respectively, institute
The lower end for stating lower rack gear is equipped with the lock pin locked with rear-wheel connector cooperation, and the lower end of the interlocking bar is connected to the rear-wheel
Connector.
6. children trolley according to claim 4, which is characterized in that the side of the relatively described stroller frame of the rear-wheel
To rotate in the range of -180 °~180 °.
7. children trolley according to claim 1, which is characterized in that the sliding part is sliding block, is set on the after-poppet
There is the sliding slot with sliding block cooperation；Wherein, the sliding block is limited in the sliding slot and moves along the sliding slot.
8. children trolley according to claim 1, which is characterized in that the sliding part is sliding sleeve, is set on the after-poppet
There are the sliding zones with sliding sleeve cooperation；Wherein, the sliding sleeve is limited in the sliding zones and in the sliding zones
Interior sliding.
9. children trolley according to claim 1, which is characterized in that the stroller frame further includes being connected to the handle
Transmission mechanism between hand and the lower push-rod and the first locking mechanism with transmission mechanism cooperation, the transmission mechanism
Including transmission shaft, the push handle is rotated by the transmission shaft relative to the lower push-rod；
The first locking mechanism includes first leading of connecting with the regulation portion of regulation portion, one end in the push handle
Straw line, the closing piece set on the first hauling rope other end and the lock tooth that is sheathed on the transmission shaft are set on the lock tooth
There is wedge block, the closing piece is equipped with the receiving portion cooperated with the wedge block；
Wherein, the closing piece rotates under the traction of first hauling rope, and the wedge block is removed in described accommodation section, so that
Lock tooth is along the sliding axially for transmission shaft and far from the closing piece to unlock.
10. children trolley according to claim 9, which is characterized in that the transmission mechanism further includes being fixed on the biography
Driving wheel on moving axis；
The stroller frame further includes second locking mechanism, and the second locking mechanism includes one ends wound on the driving wheel
The second hauling rope and be connected to the solution closing piece of the second hauling rope other end；
Wherein, the solution closing piece is located at the lower end of the lower push-rod, to cooperate locking and unlock with the stand connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608210.2A CN109291982B (en) | 2017-07-24 | 2017-07-24 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608210.2A CN109291982B (en) | 2017-07-24 | 2017-07-24 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109291982A true CN109291982A (en) | 2019-02-01 |
| CN109291982B CN109291982B (en) | 2023-11-07 |
Family
ID=65167121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710608210.2A Active CN109291982B (en) | 2017-07-24 | 2017-07-24 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109291982B (en) |
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| CN109910980A (en) * | 2019-03-25 | 2019-06-21 | 中山市丰硕日用制品有限公司 | A kind of stroller frame |
| CN110001845A (en) * | 2019-03-14 | 2019-07-12 | 好孩子儿童用品有限公司 | Foldable tricycle |
| CN110481624A (en) * | 2019-07-29 | 2019-11-22 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN110588758A (en) * | 2019-10-18 | 2019-12-20 | 中山市西区青原贸易代理服务部 | Baby carriage frame |
| CN115158433A (en) * | 2022-06-27 | 2022-10-11 | 好孩子儿童用品有限公司 | Stroller and folding method thereof |
| CN116889504A (en) * | 2023-08-08 | 2023-10-17 | 佛山市顺康达医疗科技有限公司 | Folding walking aid |
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| CN110001845A (en) * | 2019-03-14 | 2019-07-12 | 好孩子儿童用品有限公司 | Foldable tricycle |
| CN110001845B (en) * | 2019-03-14 | 2024-05-10 | 好孩子儿童用品有限公司 | Folding tricycle |
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| CN115158433A (en) * | 2022-06-27 | 2022-10-11 | 好孩子儿童用品有限公司 | Stroller and folding method thereof |
| CN115158433B (en) * | 2022-06-27 | 2023-12-29 | 好孩子儿童用品有限公司 | Child cart and folding method thereof |
| CN116889504A (en) * | 2023-08-08 | 2023-10-17 | 佛山市顺康达医疗科技有限公司 | Folding walking aid |
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