CN106985891A - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN106985891A CN106985891A CN201710217739.1A CN201710217739A CN106985891A CN 106985891 A CN106985891 A CN 106985891A CN 201710217739 A CN201710217739 A CN 201710217739A CN 106985891 A CN106985891 A CN 106985891A
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- China
- Prior art keywords
- wheel support
- push
- rod
- rear wheel
- vehicle frame
- 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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- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/02—Hand-propelled vehicles or sledges being foldable or dismountable when not in use foldable widthwise
Abstract
The present invention relates to a kind of children trolley.A kind of children trolley, its vehicle frame includes：Front-wheel support, lower rear wheel support, sliding part, upper rear wheel support, push-rod assembly, seat bar, connecting rod, first reply part, the second reply part and locking device.Upper rear wheel support and front-wheel support are pivotally connected, and upper rear wheel support is slidably connected with lower rear wheel support, and push-rod assembly is slidably connected with front-wheel support, and sliding part is slidably connected with front-wheel support, and seat bar is pivotally connected with sliding part and upper rear wheel support respectively.Connecting rod is pivotally connected with seat bar, lower rear wheel support respectively.First reply part is used to provide restoring force driving push rod component upward sliding；Second reply part is used to provide restoring force driving upper rear wheel support upward sliding.Locking device is used to lock vehicle frame under deployed condition and folded state.The present invention can realize the Automatic-expanding and semi-automatic folding of children trolley so that the expansion of children trolley and the simpler convenience of folding.
Description
Technical field
The present invention relates to a kind of children trolley.
Background technology
At present, in the market is used children trolley, children's perambulator etc. are mostly folding structure, even if the used time deploys
For children's ride-on, fold draw in deposit or transport when not in use.And although existing children trolley structure is of all kinds,
Species is various, but mostly all can only manual multistep complete the expansion and folding of children trolley, operating process is relatively complicated, have also
More heavy, the small person of strength is also less prone to the operation for completing expansion and folding.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind expansion and folding operation simply and easily children trolley.
In order to solve the above-mentioned technical problem, a kind of technical scheme for using of the present invention is：A kind of children trolley, including with
The vehicle frame of deployed condition and folded state, the front-wheel for being arranged on vehicle frame lower front portion, the trailing wheel for being arranged on vehicle frame lower rear.Institute
Stating vehicle frame includes：
Front-wheel support, the bottom of the front-wheel support is connected with front-wheel；
Lower rear wheel support, the bottom of the lower rear wheel support is connected with trailing wheel；
Upper rear wheel support, the top of the upper rear wheel support and front-wheel support are pivotally connected, the bottom of the upper rear wheel support with
Lower rear wheel support is slidably connected, and the upper rear wheel support can be slided up and down along the bearing of trend of lower rear wheel support；
Push-rod assembly, the push-rod assembly is slidably connected with front-wheel support, the push-rod assembly can along front-wheel support extension
Direction is slided up and down；
Sliding part, the sliding part is slidably connected with front-wheel support, and the sliding part can be along along the bearing of trend of front-wheel support
Lower slider；
Seat bar, anterior pivotally connected with the sliding part, the rear portion of the seat bar and the upper rear wheel support pivot of the seat bar
Axle is connected；
Connecting rod, the top of the connecting rod and the seat bar are pivotally connected, the bottom of the connecting rod and the lower rear wheel support pivot
Connection；
First replys part, and the first reply part is connected with front-wheel support and push-rod assembly respectively, and the first reply part is used for
Restoring force is provided and drives the push-rod assembly along front-wheel support upward sliding；
Second replys part, and the second reply part is connected with upper rear wheel support and lower rear wheel support respectively, and described second replys part
For providing the upper rear wheel support of restoring force driving along lower rear wheel support upward sliding；
Locking device, the locking device is used to lock vehicle frame under deployed condition and folded state,
When vehicle frame is in deployed condition, described first, which replys part, is in open configuration, and described second replys part in contraction-like
State；When vehicle frame is in folded state, described first, which replys part, is in contraction state, and the second reply part, which is in, opens shape
State；When the vehicle frame of deployed condition is unlocked, the second reply part can provide restoring force driving, and above rear wheel support is up, institute
Stating a bar, connecting rod and sliding part drives upper rear wheel support and lower rear wheel support to be drawn close to the front-wheel support；Deploy when by vehicle frame
When, push-rod assembly and the sliding part mutually locking, the first reply part, which can provide restoring force, drives push-rod assembly up,
The push-rod assembly can drive sliding part uplink synchronization, after the sliding part, seat bar and connecting rod drive upper rear wheel support and are lower
Wheel support deploys backward, and the upper rear wheel support slide downward is shunk.
Specifically, when vehicle frame is in deployed condition, the front-wheel support and the one in front and one in back relative expansion of lower rear wheel support,
The push-rod assembly upward sliding opposing front wheels support is stretched out, and the push-rod assembly and sliding part are locked in by the locking device
On front-wheel support, the second reply part is pressed against on lower rear wheel support by the upper rear wheel support makes the second reply part be in compression shape
State, the seat bar is deployed between front-wheel support and upper rear wheel support along the longitudinal direction, after the connecting rod deploys present bar and be lower
Between wheel support；When vehicle frame is in folded state, the front-wheel support is relative with lower rear wheel support to be drawn close, the push-rod assembly
Slide downward opposing front wheels stent collapses, the locking device simultaneously will be described by the push-rod assembly and sliding part mutually locking
Push-rod assembly and the front-wheel support mutually locking, the described first reply part is pressed against on front-wheel support by the push-rod assembly to be made
First, which replys part, is in contraction state, and the upper rear wheel support upward sliding descends rear wheel support to stretch out relatively, the seat bar and company
Bar draw in front-wheel support, between rear wheel support and lower rear wheel support；When the vehicle frame of deployed condition is unlocked, the front-wheel
Untied two-by-two in support, push-rod assembly and sliding part three, the push-rod assembly and sliding part can be respectively on front-wheel supports
Slide；When the vehicle frame of folded state is unlocked, the front-wheel support is mutually untied with push-rod assembly and sliding part respectively, described
Push-rod assembly and sliding part keep mutually locking.
It is preferred that, the push-rod assembly includes upper push-rod and lower push-rod, and the lower push-rod is slidably connected with front-wheel support, institute
Stating lower push-rod can slide up and down along the bearing of trend of front-wheel support；The upper push-rod is slidably connected with lower push-rod, described above to push away
Bar can be slided up and down along the bearing of trend of lower push-rod.
Specifically, the lower push-rod be pipe fitting, the upper push-rod be inserted in lower push-rod and can in upper push-rod on downslide
Dynamic, when the vehicle frame is in deployed condition, the upper push-rod upward sliding stretches out lower push-rod；When the vehicle frame is in rugosity
During state, the upper push-rod slide downward is towards lower push-rod contract.
Specifically, the vehicle frame also includes slide bushing assembly, the slide bushing assembly includes being fixedly installed on front-wheel support
Upper sliding sleeve and the low sleeve being fixedly installed on lower push-rod, the lower push-rod are set in upper sliding sleeve, and the front-wheel support is arranged
In low sleeve, the lower push-rod opposing front wheels support can be slided up and down under the guide effect of upper sliding sleeve and low sleeve.
Specifically, the locking device includes the locking piece for being arranged on the lower push-rod bottom, when vehicle frame is in expansion shape
During state, front-wheel support, lower push-rod and sliding part three's mutually locking can be promoted upper push-rod slide downward energy by the locking piece
Enough triggering locking pieces unlock and then untie front-wheel support, lower push-rod and sliding part three two-by-two；When vehicle frame is in folded state
When, the locking piece can be by lower push-rod and sliding part mutually locking.
Specifically, the locking device includes the end set for being arranged on lower push-rod top and is correspondingly arranged at front-wheel support top
Foldable hanging hook, when vehicle frame be in folded state when, the lower push-rod slide downward until the end set reach Foldable hanging hook at,
The Foldable hanging hook can tangle end set and then by lower push-rod and front-wheel support mutually locking.
It is preferred that, the sliding part is shift sleeve structure, the sliding part be set on front-wheel support and positioned at upper sliding sleeve and
The lower section of low sleeve.
It is preferred that, described first, which replys part and second, replys part for air compression spring or compression spring.
Specifically, the front-wheel support and lower rear wheel support are pipe fitting, described first, which replys part, is arranged on front-wheel support
Inside, the top of the first reply part is connected with push-rod assembly, and bottom is against the interior bottom of front-wheel support；Described second replys
Part is arranged in lower rear wheel support, and the top of the second reply part offsets with the bottom of upper rear wheel support to be connected, and described second
The bottom of reply part offsets with the interior bottom of lower rear wheel support to be connected.
It is referred to above to the inferior noun of locality upper all around, be the orientation when the children trolley normal is used
Make what is defined.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while should also contain
Lid other technical schemes as formed by being combined above-mentioned technical characteristic or its equivalent feature.Such as features described above and sheet
The technical characteristic with similar functions disclosed in application carries out technical scheme etc. formed by replacement mutually.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Part is replied by first
The restoring force of vehicle frame expansion is provided, the restoring force that part provides vehicle frame folding is replied by second, passes through sliding part, seat bar, connecting rod
Linked with front-wheel support, upper rear wheel support and lower rear wheel support, the Automatic-expanding and half-automatic folding of children trolley can be realized
It is folded so that the expansion of children trolley and the simpler convenience of folding.
Brief description of the drawings
Fig. 1 is front view when children trolley of the present invention is in deployed condition；
Fig. 2 is left view when children trolley of the present invention is in deployed condition；
Fig. 3 is the explosive view of children trolley of the present invention；
Fig. 4 is the front view of children trolley when upper push-rod shrinks triggering unlock piece unblock；
Fig. 5 is front view when children trolley of the present invention is in semi-collapsed condition；
Fig. 6 is front view when children trolley of the present invention is in folded state；
Wherein：1st, front-wheel support；2nd, lower rear wheel support；3rd, upper rear wheel support；4th, push-rod assembly；5th, sliding part；6th, seat bar；7th, even
Bar；8th, first part is replied；9th, second part is replied；10th, slide bushing assembly；11st, upper sliding sleeve；12nd, low sleeve；13rd, locking piece；14th, hold
Set；15th, Foldable hanging hook；41st, upper push-rod；42nd, lower push-rod；100th, vehicle frame；101st, front-wheel；102nd, trailing wheel；201st, first axle；202、
Second axle；203rd, the 3rd axle；204th, the 4th axle；205th, the 5th axle.
Embodiment
As shown in Figures 1 to 6, a kind of children trolley of the present invention, including with deployed condition and folded state
Vehicle frame 100, the front-wheel 101 for being arranged on the lower front portion of vehicle frame 100, the trailing wheel 102 for being arranged on the lower rear of vehicle frame 100.
The vehicle frame 100 includes：
Front-wheel support 1, the bottom of the front-wheel support 1 is connected with front-wheel 101；
Lower rear wheel support 2, the bottom of the lower rear wheel support 2 is connected with trailing wheel 102, and the lower rear wheel support 2 is pipe fitting；
Upper rear wheel support 3, the top of the upper rear wheel support 3 is pivotally connected by first axle 201 and front-wheel support 1, it is described on
It is slidably connected in the lower rear wheel support 2 of bottom insertion of rear wheel support 3 with lower rear wheel support 2, the upper rear wheel support 3 can be under
The bearing of trend of rear wheel support 2 is slided up and down；
Push-rod assembly 4, the push-rod assembly 4 includes upper push-rod 41 and lower push-rod 42, and the lower push-rod 42 is slided with front-wheel support 1
Connection, the lower push-rod 42 can be slided up and down along the bearing of trend of front-wheel support 1；The upper push-rod 41 is slided with lower push-rod 42
Connection, the upper push-rod 41 can be slided up and down along the bearing of trend of lower push-rod 42；
Sliding part 5, the sliding part 5 is slidably connected with front-wheel support 1, and the sliding part 5 can be along the extension side of front-wheel support 1
To sliding up and down；
Seat bar 6, the front portion of the seat bar 6 is pivotally connected by the second axle 202 and the sliding part 5, and the rear portion of the seat bar 6 leads to
Cross the 3rd axle 203 and the upper rear wheel support 3 is pivotally connected；
Connecting rod 7, the top of the connecting rod 7 is pivotally connected by the 4th axle 204 and the seat bar 6, and the bottom of the connecting rod 7 passes through
5th axle 205 and the lower rear wheel support 2 are pivotally connected；
First replys part 8, and the first reply part 8 is connected with front-wheel support 1 and push-rod assembly 4 respectively, and described first replys part 8
The push-rod assembly 4 is driven along the upward sliding of front-wheel support 1 for providing restoring force；
Second replys part 9, and the second reply part 9 is connected with upper rear wheel support 3 and lower rear wheel support 2 respectively, described second time
Copy 9 is used to provide the upper rear wheel support 3 of restoring force driving along the lower upward sliding of rear wheel support 2；
Locking device, the locking device is used to lock vehicle frame 100 under deployed condition and folded state.
The lower push-rod 42 be pipe fitting, the upper push-rod 41 be inserted in lower push-rod 42 and can in upper push-rod 41 on downslide
It is dynamic.The vehicle frame 100 also includes slide bushing assembly 10, and the slide bushing assembly 10 includes the upper cunning being fixedly installed on front-wheel support 1
Set 11 and the low sleeve 12 being fixedly installed on lower push-rod 42.The lower push-rod 42 is set in upper sliding sleeve 11, the front-wheel branch
Frame 1 is set in low sleeve 12, the lower push-rod 42 can under the guide effect of upper sliding sleeve 11 and low sleeve 12 opposing front wheels
Support 1 is slided up and down.
The locking device includes being arranged on the locking piece 13 of the bottom of lower push-rod 42, is arranged on the top of lower push-rod 42
End set 14 and the Foldable hanging hook 15 for being correspondingly arranged at the top of front-wheel support 1.The locking piece 13 can by front-wheel support 1, under push away
Bar 42 and the three's mutually locking of sliding part 5.
Described first, which replys part 8 and second, replys part 9 for air compression spring or compression spring.It is described in the present embodiment
What the first reply part 8 was selected is air compression spring, and what the second reply part 9 was selected is compression spring.Described first replys
Part 8 is arranged on inside front-wheel support 1, and the top of the first reply part 8 is connected with lower push-rod 42, and bottom is against front-wheel support 1
Interior bottom.Described second, which replys part 9, is arranged in lower rear wheel support 2, and described second replys the top of part 9 and upper rear wheel support
3 bottom is offseted connection, and the bottom of the second reply part 9 offsets with the interior bottom of lower rear wheel support 2 to be connected.
The sliding part 5 is shift sleeve structure, and the sliding part 5 is set on front-wheel support 1 and positioned at upper sliding sleeve 11 with
The lower section of sliding sleeve 12.
As shown in figure 1, when vehicle frame 100 is in deployed condition, the front-wheel support 1 and lower rear wheel support 2 are one in front and one in back
Relative expansion.The upward sliding opposing front wheels support 1 of lower push-rod 42 is stretched out, and also upward sliding is pushed away down the upper push-rod 41 relatively
Bar 42 is stretched out.The lower push-rod 42 and sliding part 5 are locked on front-wheel support 1 by the locking piece 13 simultaneously.Described first time
Copy 8 is in open configuration, and the second reply part 9 is pressed against on lower rear wheel support 2 by the upper rear wheel support 3 makes the second reply part
9 are in compressive state.The seat bar 6 is deployed between front-wheel support 1 and upper rear wheel support 3 along the longitudinal direction, and the connecting rod 7 is opened up
It is opened between a bar 6 and lower rear wheel support 2.
As shown in fig. 6, when vehicle frame 100 is in folded state, the front-wheel support 1 is relative with lower rear wheel support 2 to be drawn close.
The slide downward of upper push-rod 41 is towards the contract of lower push-rod 42, the slide downward of lower push-rod 42 until end set 14 reaches folding
At folded hook 15, the Foldable hanging hook 15 can tangle end set 14 and then by lower push-rod 42 and the mutually locking of front-wheel support 1.Together
When, the locking piece 13 is by lower push-rod 42 and the mutually locking of sliding part 5.The lower push-rod 42 compresses the described first reply part 8
The first reply part 8 is set to be in contraction state on front-wheel support 1, the upper upward sliding of rear wheel support 3 descends rear wheel support 2 relatively
Stretch out, it is described second reply part 9 be in open configuration, the seat bar 6 and connecting rod 7 draw in front-wheel support 1, on rear wheel support 3
Between lower rear wheel support 4.
When the vehicle frame 100 of deployed condition is unlocked, promote upper push-rod 41 slide downward triggering locking piece 13 unlock and then
Front-wheel support 1, lower push-rod 42 and the three of sliding part 5 are untied two-by-two.The second reply part 9 can be provided in restoring force driving
Rear wheel support 3 is up, and the sliding part 5 is present under the drive of slider-crank mechanism that bar 6, connecting rod 7 and upper rear wheel support 3 constitute
Along the automatic slide downward of front-wheel support 1.The seat bar 6, connecting rod 7 and sliding part 5 drive upper rear wheel support 3 and lower rear wheel support 2
Drawn close to the front-wheel support 1.Now, vehicle frame completes part auto-folder, and upper push-rod 41 is promoted still further below and then is pushed away under driving
The slide downward of bar 42, described first, which replys the compression of part 8, shrinks, and at lower slide to the sliding part 5 of lower push-rod 42, locking piece 13 will
End set 14 on lower push-rod 42 and the mutually locking of sliding part 5, lower push-rod 42 is reached at Foldable hanging hook 15, passes through the hook of Foldable hanging hook 15
Firmly lower push-rod 42 and the mutually locking of front-wheel support 1 so, are completed the folding of vehicle frame 100 by end set 14.It can be seen that, the present invention can
Realize the semi-automatic folding of children trolley.
When the vehicle frame 100 of folded state is unlocked, upper push-rod 41 is pulled out upwards makes upper push-rod 41 stretch out lower push-rod 42, institute
State Foldable hanging hook 15 with end set 14 to depart from, the first reply part 8, which can provide restoring force, drives lower push-rod 42 up, now,
The lower push-rod 42 and sliding part 5 still keep mutually locking, and the lower push-rod 42 can drive the uplink synchronization of sliding part 5, institute
The slider-crank mechanism for stating sliding part 5, seat bar 6 and the composition of connecting rod 7 drives upper rear wheel support 3 and lower rear wheel support 2 to deploy backward,
The slide downward of upper rear wheel support 3 is shunk, and described second, which replys the compression of part 9, shrinks.It can be seen that, except upper push-rod 41 is manual drawing
Go out, this practicality can realize the overall Automatic-expanding of children trolley vehicle frame.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the technological thought license of the present invention
Change and implementation.
Claims (10)
1. a kind of children trolley, including the vehicle frame with deployed condition and folded state（100）, be arranged on vehicle frame（100）Lower section
Anterior front-wheel（101）, be arranged on vehicle frame（100）The trailing wheel of lower rear（102）, it is characterised in that the vehicle frame（100）Bag
Include：
Front-wheel support（1）, the front-wheel support（1）Bottom and front-wheel（101）Connection；
Lower rear wheel support（2）, the lower rear wheel support（2）Bottom and trailing wheel（102）Connection；
Upper rear wheel support（3）, the upper rear wheel support（3）Top and front-wheel support（1）It is pivotally connected, the upper rear wheel support
（3）Bottom and lower rear wheel support（2）It is slidably connected, the upper rear wheel support（3）Can be along lower rear wheel support（2）Extension side
To sliding up and down；
Push-rod assembly（4）, the push-rod assembly（4）With front-wheel support（1）It is slidably connected, the push-rod assembly（4）Can be along preceding
Wheel support（1）Bearing of trend slide up and down；
Sliding part（5）, the sliding part（5）With front-wheel support（1）It is slidably connected, the sliding part（5）Can be along front-wheel support
（1）Bearing of trend slide up and down；
Seat bar（6）, the seat bar（6）It is anterior with the sliding part（5）It is pivotally connected, the seat bar（6）Rear portion with it is described
Upper rear wheel support（3）It is pivotally connected；
Connecting rod（7）, the connecting rod（7）Top and the seat bar（6）It is pivotally connected, the connecting rod（7）Bottom with it is described under
Rear wheel support（2）It is pivotally connected；
First replys part（8）, described first replys part（8）Respectively with front-wheel support（1）And push-rod assembly（4）Connection, described the
One replys part（8）The push-rod assembly is driven for providing restoring force（4）Along front-wheel support（1）Upward sliding；
Second replys part（9）, described second replys part（9）Respectively with upper rear wheel support（3）With lower rear wheel support（2）Connection, institute
State the second reply part（9）For providing restoring force driving upper rear wheel support（3）Along lower rear wheel support（2）Upward sliding；
Locking device, the locking device is used for vehicle frame（100）Locked under deployed condition and folded state,
Work as vehicle frame（100）During in deployed condition, described first replys part（8）In open configuration, described second replys part（9）
In contraction state；Work as vehicle frame（100）During in folded state, described first replys part（8）In contraction state, described second
Reply part（9）In open configuration；When by the vehicle frame of deployed condition（100）During unblock, described second replys part（9）It can provide
The upper rear wheel support of restoring force driving（3）It is up, the seat bar（6）, connecting rod（7）And sliding part（5）Rear wheel support in drive（3）With
Lower rear wheel support（2）To the front-wheel support（1）Draw close；When vehicle frame deploys, the push-rod assembly（4）And sliding part（5）Phase
Mutually locking, described first replys part（8）Restoring force can be provided and drive push-rod assembly（4）It is up, the push-rod assembly（4）Can
Drive sliding part（5）Uplink synchronization, the sliding part（5）, seat bar（6）And connecting rod（7）Rear wheel support in drive（3）With lower trailing wheel
Support（2）Deploy backward, the upper rear wheel support（3）Slide downward is shunk.
2. a kind of children trolley according to claim 1, it is characterised in that work as vehicle frame（100）During in deployed condition, institute
State front-wheel support（1）With lower rear wheel support（2）One in front and one in back relative expansion, the push-rod assembly（4）Upward sliding opposing front wheels
Support（1）Stretch out, the locking device is by the push-rod assembly（4）And sliding part（5）It is locked in front-wheel support（1）On, it is described
Upper rear wheel support（3）Part is replied by second（9）It is pressed against lower rear wheel support（2）On make the second reply part（9）In compressive state,
The seat bar（6）Front-wheel support is deployed in along the longitudinal direction（1）With upper rear wheel support（3）Between, the connecting rod（7）Expansion is present
Bar（6）With lower rear wheel support（2）Between；Work as vehicle frame（100）During in folded state, the front-wheel support（1）With lower trailing wheel branch
Frame（2）It is relative to draw close, the push-rod assembly（4）Slide downward opposing front wheels support（1）Shrink, the locking device is pushed away described
Bar assembly（4）And sliding part（5）Mutually locking is simultaneously by the push-rod assembly（4）With the front-wheel support（1）Mutually locking, institute
State push-rod assembly（4）Part is replied by described first（8）It is pressed against front-wheel support（1）On make the first reply part（8）In contraction-like
State, the upper rear wheel support（3）Upward sliding descends rear wheel support relatively（2）Stretch out, the seat bar（6）And connecting rod（7）Draw in
Front-wheel support（1）, upper rear wheel support（3）With lower rear wheel support（4）Between；When by the vehicle frame of deployed condition（100）During unblock, institute
State front-wheel support（1）, push-rod assembly（4）And sliding part（5）Untied two-by-two in three, the push-rod assembly（4）And sliding part（5）
Can be respectively in front-wheel support（1）It is upper to slide；When by the vehicle frame of folded state（100）During unblock, the front-wheel support（1）Respectively
With push-rod assembly（4）And sliding part（5）Mutually untie, the push-rod assembly（4）And sliding part（5）Keep mutually locking.
3. a kind of children trolley according to claim 1, it is characterised in that the push-rod assembly（4）Including upper push-rod
（41）And lower push-rod（42）, the lower push-rod（42）With front-wheel support（1）It is slidably connected, the lower push-rod（42）Can be along front-wheel
Support（1）Bearing of trend slide up and down；The upper push-rod（41）With lower push-rod（42）It is slidably connected, the upper push-rod（41）Energy
Enough along lower push-rod（42）Bearing of trend slide up and down.
4. a kind of children trolley according to claim 3, it is characterised in that the lower push-rod（42）For pipe fitting, it is described on
Push rod（41）It is inserted in lower push-rod（42）In and can be in upper push-rod（41）In slide up and down, when the vehicle frame（100）In expansion
During state, the upper push-rod（41）Upward sliding stretches out lower push-rod（42）；When the vehicle frame（100）During in folded state, institute
State upper push-rod（41）Slide downward is towards lower push-rod（42）Contract.
5. a kind of children trolley according to claim 3, it is characterised in that the vehicle frame（100）Also include slide bushing assembly
（10）, the slide bushing assembly（10）Including being fixedly installed on front-wheel support（1）On upper sliding sleeve（11）Pushed away with being fixedly installed on down
Bar（42）On low sleeve（12）, the lower push-rod（42）It is set in upper sliding sleeve（11）It is interior, the front-wheel support（1）It is set in down
Sliding sleeve（12）It is interior, the lower push-rod（42）Can be in upper sliding sleeve（11）And low sleeve（12）Guide effect under opposing front wheels support
（1）Slide up and down.
6. a kind of children trolley according to claim 3, it is characterised in that the locking device include being arranged on it is described under
Push rod（42）The locking piece of bottom（13）, work as vehicle frame（100）During in deployed condition, the locking piece（13）Can be by front-wheel branch
Frame（1）, lower push-rod（42）And sliding part（5）Three's mutually locking, promotes upper push-rod（41）Slide downward can trigger locking piece
（13）Unblock and then by front-wheel support（1）, lower push-rod（42）And sliding part（5）Three unties two-by-two；Work as vehicle frame（100）In folding
During overlapping state, the locking piece（13）Can be by lower push-rod（42）And sliding part（5）Mutually locking.
7. a kind of children trolley according to claim 3, it is characterised in that the locking device includes being arranged on lower push-rod
（42）The end set on top（14）Be correspondingly arranged at front-wheel support（1）The Foldable hanging hook on top（15）, work as vehicle frame（100）In folding
During overlapping state, the lower push-rod（42）Slide downward is until the end covers（14）Reach Foldable hanging hook（15）Place, the folding hanging
Hook（15）End set can be tangled（14）And then by lower push-rod（42）And front-wheel support（1）Mutually locking.
8. a kind of children trolley according to claim 5, it is characterised in that the sliding part（5）It is described for shift sleeve structure
Sliding part（5）It is set in front-wheel support（1）Above and positioned at upper sliding sleeve（11）And low sleeve（12）Lower section.
9. a kind of children trolley according to claim 1, it is characterised in that described first replys part（8）Replied with second
Part（9）For air compression spring or compression spring.
10. a kind of children trolley according to claim 1, it is characterised in that the front-wheel support（1）With lower rear wheel support
（2）It is pipe fitting, described first replys part（8）Installed in front-wheel support（1）Inside, described first replys part（8）Top with
Push-rod assembly（4）Connection, bottom is against front-wheel support（1）Interior bottom；Described second replys part（9）Installed in lower rear wheel support
（2）Interior, described second replys part（9）Top and upper rear wheel support（3）Bottom offset connection, described second replys part（9）
Bottom and lower rear wheel support（2）Interior bottom offset connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217739.1A CN106985891B (en) | 2017-04-05 | 2017-04-05 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217739.1A CN106985891B (en) | 2017-04-05 | 2017-04-05 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106985891A true CN106985891A (en) | 2017-07-28 |
| CN106985891B CN106985891B (en) | 2023-05-23 |
Family
ID=59415267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710217739.1A Active CN106985891B (en) | 2017-04-05 | 2017-04-05 | Child cart |
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| Country | Link |
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| CN (1) | CN106985891B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773408A (en) * | 2018-07-02 | 2018-11-09 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN112874614A (en) * | 2021-02-04 | 2021-06-01 | 安徽小龙仔儿童用品有限公司 | Children's bassinet with folding function and use method thereof |
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| CN203402224U (en) * | 2013-07-08 | 2014-01-22 | 程宝贤 | Sliding type folding structure of baby stroller |
| CN204623534U (en) * | 2015-04-15 | 2015-09-09 | 好孩子儿童用品有限公司 | Children trolley |
| CN105584513A (en) * | 2016-01-28 | 2016-05-18 | 好孩子儿童用品有限公司 | Baby stroller |
| CN206826724U (en) * | 2017-04-05 | 2018-01-02 | 好孩子儿童用品有限公司 | A kind of children trolley |
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| JP2007015587A (en) * | 2005-07-08 | 2007-01-25 | Combi Corp | Stroller |
| US20110204600A1 (en) * | 2010-02-19 | 2011-08-25 | Chin-I Lai | Stroller |
| CN203402224U (en) * | 2013-07-08 | 2014-01-22 | 程宝贤 | Sliding type folding structure of baby stroller |
| CN204623534U (en) * | 2015-04-15 | 2015-09-09 | 好孩子儿童用品有限公司 | Children trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773408A (en) * | 2018-07-02 | 2018-11-09 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN112874614A (en) * | 2021-02-04 | 2021-06-01 | 安徽小龙仔儿童用品有限公司 | Children's bassinet with folding function and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106985891B (en) | 2023-05-23 |
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