CN108482472A - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN108482472A CN108482472A CN201810288321.4A CN201810288321A CN108482472A CN 108482472 A CN108482472 A CN 108482472A CN 201810288321 A CN201810288321 A CN 201810288321A CN 108482472 A CN108482472 A CN 108482472A
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- frame
- strut
- rod
- axis
- connection
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- 230000007246 mechanism Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/20—Handle bars; Handles
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a kind of children trolleys, it include the stroller frame with unfolded state and folded state, stroller frame includes two side stands and the link that can fold, include Rear frame, front frame and upper frame per side side stand, Rear frame is equipped with sliding part, sliding part is connect with upper frame by rear pole, and sliding part is connect with front frame by front strut；When the stroller frame folds, the upper frame is folded down and is drawn close to Rear frame, and the rear pole drives length direction slide downward of the sliding part along the Rear frame；The sliding part drives the front frame to be drawn close to the Rear frame by the front strut, realizes the fore-aft fold of stroller frame, the volume of the entire children trolley after folding becomes smaller, convenience in transport and storage.
Description
Technical field
The present invention relates to children trolley field, more particularly to a kind of children trolley.
Background technology
A kind of children trolley in the prior art includes that stroller frame with folded state and unfolded state, setting exist
The vehicle wheel component of the lower part of the stroller frame and locking mechanism for the stroller frame to be locked in unfolded state, it is described
Stroller frame includes right side holder, left side brackets, back rest and the energy for connecting the right side holder and the left side brackets
Laterally folded link is reached, the folding of link is realized by side stand, complicated integral structure, the stroller frame after folding
Volume is still very big.
Invention content
In order to solve problems in the prior art, the present invention provides a kind of children trolley, technical solution is as follows：
Include stroller frame with unfolded state and folded state, for will be described the present invention provides a kind of children trolley
Stroller frame is locked in the locking device of expanded position, the vehicle wheel component in the lower part of the stroller frame, the wheel is arranged
Component includes front component and wheel assembly, and the stroller frame includes positioned at the side stand of the left and right sides and positioned at described in both sides
Link that can be laterally folded between side stand,
Often the side stand of side includes：
The lower part of vehicle frame in the rear is arranged in Rear frame, the wheel assembly；
Front frame, the front component are arranged in the lower part of the front frame；
Upper frame, the upper frame include lower push-rod, upper push-rod and rear swing rod, the top of the Rear frame and the lower push-rod phase
Rotation connection, the top of the front frame rotates with the lower push-rod and connect；The top of the lower push-rod and the upper push-rod
Rotate connection；The top of swing rod rotates with the lower end of the upper push-rod after described connect, the lower end of the rear swing rod and institute
Rear frame is stated to rotate connection, the Rear frame, the lower push-rod, the upper push-rod per side and it is described after swing rod respectively constitute
Four-bar mechanism；
Sliding part, the sliding part are slidably disposed in the Rear frame；
Rear pole, one end of the rear pole rotate with the sliding part and connect, the other end of the rear pole with it is described on
Vehicle frame rotates connection；
Front strut, one end of the front strut rotate with the front frame and connect, the other end of the front strut and the cunning
Moving part rotates connection；
The link is connect with side stand described in both sides respectively,
When the stroller frame is folded from unfolded state to folded state, unlock for the stroller frame to be locked in cassette tape
The locking device of state pushes upper frame and the upper frame is folded down and is drawn close to Rear frame, and the rear pole drives
The sliding part along the Rear frame length direction slide downward；The sliding part by the front strut drive it is described before
Vehicle frame is drawn close to the Rear frame so that entire vehicle frame realizes front and back and size up and down diminution.The left and right of the stroller frame
The folding in direction realizes that the folding operation of link can complete it in aforementioned folding process by the folding of the link
After carry out, can also be carried out at the same time, can also be carried out before aforementioned folding process with aforementioned folding process.
Preferably, the link includes the rear connection that lateral dimension that is folding and allowing the stroller frame reduces
Frame and preceding link,
The rear connecting frame includes the first strut and intersects with first strut and rotate second connect in infall
Strut, one end of first strut rotate with the bottom right push rod in the lower push-rod and connect, first strut it is another
End rotates with the second sliding part in the sliding part to be connect, one end and the lower-left in the lower push-rod of second strut
Push rod rotates connection, and the other end of second strut rotates with the first sliding part in the sliding part and connect；Into one
Step ground, one end of first strut is rotated by the first connector with the bottom right push rod in the lower push-rod and is connect, described
The other end of first strut is rotated by the second connector with the second sliding part in the sliding part and is connect, second support
One end of bar is rotated by third connector with the lower-left push rod in the lower push-rod and is connect, the other end of second strut
It is rotated and is connect by the 4th connector with the first sliding part in the sliding part；
The preceding link include third strut, intersect with the third strut and infall rotate connect the 4th support
Bar, the 5th strut connecting and rotating with the front end of the 4th strut of rotating with the front end of the third strut are connect
6th strut；Third strut rear end rotates with first sliding part and connect, the 5th strut and the front frame
In left front frame rotate connection；The 4th strut rear end rotates with second sliding part to be connect, the 6th strut
It rotates and connect with the right side arm in the front frame；Further, the third strut and first sliding part pass through the
Five connectors rotate connection, and the 5th strut and the left front frame in the front frame are rotated company by the 6th connector
It connects；4th strut, which is rotated with second sliding part by the 7th connector, to be connect, the 6th strut with it is described before
Right side arm in vehicle frame is rotated connection by the 8th connector.Pass through the setting of preceding link so that stroller frame is being unfolded
When state, total is more firm, and during folding, moving toward one another more between left side brackets and right side holder
Coordinate smooth.
Pass through the setting of the rear connecting frame and preceding link so that when the stroller frame is from unfolded state to rugosity
When state folds, the sliding part drives the link laterally folded so that the side stand of both sides is drawn close, i.e. stroller frame
Volume in the front-back direction, the volume of the volume of left and right directions and upper and lower directions reduce simultaneously, a step completes folding operation.Pass through
The setting of connector can easily realize the connection of each link and side stand.
It is further preferred that Rear frame described in per side rotates around first axle with the lower push-rod and connect, the front frame
It rotates and connect around the second axis with the lower push-rod, the first axle and second axis are conllinear or parallel；
The right side one axis of first connector in the first axle rotates with the bottom right push rod to be connect, the third connection
The first from left axis of the part in the first axle rotates with the lower-left push rod to be connect.
It is further preferred that lower push-rod described in per side includes lower push-rod main part and the lower part with the lower push-rod main part
The bending part being fixedly connected, the first axle are located at the lower part of the lower push-rod main part, and second axle position is in the bending
The lower part in portion；
When the stroller frame is in unfolded state, the length direction of the bending part and the length direction of the Rear frame are flat
Row；When the stroller frame is in folded state, the axis of the first axle and the axis of second axis are located at same water
In plane, or it is located substantially in same level.At this point, the height of the first axle it is equal with the height of the second axis or
It is roughly equal.
Specifically, second axis includes a right axis and the first from left axis.The bottom right push rod include bottom right push rod main part and
The right folding turn of bilge being fixedly connected with the lower part of the bottom right push rod main part, a right axle position is in the bottom right push rod main part
Lower part, right two axle position is in the lower part of the right folding turn of bilge；
The lower-left push rod includes lower-left push rod main part and the left folding that is fixedly connected with the lower part of the lower-left push rod main part
Turn of bilge, the first from left axle position is in the lower part of the lower-left push rod main part, and the second from left axle position is in the lower part of the left folding turn of bilge.
In this set, a right axis is parallel with right two axis, and the first from left axis is parallel with the second from left axis.
It is further preferred that the rear swing rod rotates around third axis with the Rear frame and connect, the sliding part is located at
The lower section of the third axis.
Preferably, the third axis includes right three axis and left three axis, it is described it is right after swing rod with the right after-frame around right three axis
Rotate connection, and first sliding part is located at the lower section of right three axis；The left back swing rod is with the left back frame around a left side three
Axis rotates connection, and second sliding part is located at the lower section of left three axis.Stroller frame is in unfolded state and folded state
In transfer process, first sliding part is slided in the lower part of the right after-frame, and second sliding part is in the left back frame
Lower part sliding, the height dimension of entire stroller frame when folded state can be significantly reduced.
It is further preferred that the right front strut and the 6th strut rotate rotating around right four axis with the right side arm
Connection, the right front strut and the third strut rotate with first sliding part rotating around right five axis and connect；The left side
Front strut and the 5th strut, which rotate rotating around left four axis with the left front frame, to be connect, the left front strut and the described 4th
Strut rotates with second sliding part rotating around left five axis and connect.Particularly, the right front strut and the 8th connection
Part rotates with the right side arm rotating around right four axis and connect, and the right front strut and the 5th connector are rotating around right five axis
It rotates and connect with first sliding part；The left front strut and the 6th connector rotating around left four axis with it is described left front
Rotate connection, the left front strut and the 7th connector of frame rotates company rotating around left five axis and second sliding part
It connects.
It is further preferred that left back strut in first strut and the rear pole is rotating around left six axis and described the
Two sliding parts rotate connection, and the axial direction of left five axis is parallel with the left axial direction of six axis；Second strut and institute
State right rear pole in rear pole and rotate with first sliding part rotating around right six axis and connect, the axial direction of right six axis and
The axial direction of right five axis is parallel.Particularly, the left back strut in second connector and the rear pole is rotating around a left side
Six axis rotate with second sliding part and connect, and the axial direction of left five axis is parallel with the left axial direction of six axis；It is described
Right rear pole in 4th connector and the rear pole, which rotates rotating around right six axis with first sliding part, to be connect, described
The axial direction of right six axis is parallel with the right axial direction of five axis.
Preferably, the upper frame further includes a bar, and the lateral wall of the seat bar can be slided along the length direction of the seat bar
Be equipped with sliding sleeve dynamicly, the rear end of the seat bar rotates around the 7th axis and connect with the swing rod afterwards, the sliding sleeve with it is described under push away
Bar rotates connection；
Specifically, the 7th axis includes left seven axis and right seven axis, and the sliding sleeve includes the first sliding sleeve and the second sliding sleeve, it is described on
Vehicle frame includes upper left vehicle frame and upper right vehicle frame.The upper right vehicle frame further includes right seat bar, and the lateral wall of the right seat bar is described in
The length direction of right seat bar is slideably equipped with the first sliding sleeve, and the rear end of the right seat bar is with swing rod behind the right side around right seven axis phases
Rotation connection, first sliding sleeve rotate with the bottom right push rod and connect；The upper left vehicle frame further includes left seat bar, the left side
Seat bar lateral wall along the left seat bar length direction slideably be equipped with the second sliding sleeve, the rear end of the left seat bar with it is described
Left back swing rod rotates connection around left seven axis, and second sliding sleeve rotates with the lower-left push rod and connect.
It is further preferred that the stroller frame further includes the back rest between the side stand described in both sides is arranged, it is described
Back rest includes：
Be located at the side back rest of the left and right sides, include upper back support bar and lower back support bar per side back rest described in side, it is described on
Back support bar is slideably connected with the lower back support bar along the length direction of the lower back support bar, the side back rest respectively with
The side stand of homonymy is connected；
Link assembly between the side back rest described in both sides is set, and the back rests of both sides passes through institute that can be laterally folded
It states link assembly to be connected, the link assembly includes first connecting rod and intersects with the first connecting rod and in infall phase turn
The second connecting rod of dynamic connection；One end of the first connecting rod rotates with back support bar on second in the upper back support bar and connect,
The other end of the first connecting rod rotates with first time back support bar in the lower back support bar and connect；The one of the second connecting rod
End rotates with second time back support bar in the lower back support bar to be connect, the other end of the second connecting rod and the upper back support bar
In first on back support bar rotate connection.
Preferably, the stroller frame further includes handrail connecting rod, and the handrail connecting rod includes the first handrail connecting rod
And the second handrail connecting rod connecting that rotates with the first handrail connecting rod, the first handrail connecting rod and the upper right
The top of push rod rotates connection, and the second handrail connecting rod rotates with the top of the upper left push rod and connect.
Preferably, the rear pole rotates with the lower push-rod and connect.
It is further preferred that when the stroller frame is in folded state, the front component and the wheel assembly
It is overlapped in the width direction of the stroller frame；The height of the upper end of the height of the upper end of the front frame, the Rear frame and
The height of the upper end of the upper push-rod is equal；The height phase of the height of the lower end of the upper push-rod and the lower end of the wheel assembly
Deng.
Particularly, when the stroller frame is in folded state, the left front wheel assembly exists with the left back wheel assembly
The width of the width direction coincidence of the stroller frame, the off-front wheel component and the off hind wheel component in the stroller frame
Direction overlaps so that stroller frame reaches minimum in the size in front and back direction and the size of width direction, makes full use of cart
Space between two side stand of vehicle frame；Support makes the youngster on the ground jointly with the wheel assembly for the lower end of the upper push-rod
Virgin cart from standing on ground, height apart from ground of the upper end of the right side arm, the right after-frame height of the upper end apart from ground
Height of the upper end apart from ground of degree and the upper right push rod is equal, height apart from ground of the upper end of the left front frame, described
Height of the upper end of height and the upper left push rod of the upper end of left back frame apart from ground apart from ground is equal so that stroller frame
Reach minimum in the size of short transverse；The height of the height of the lower end of the upper right push rod and the lower end of the off hind wheel component
Equal, the height of the lower end of the upper left push rod is equal with the height of lower end of left back wheel assembly so that stroller frame exists
Under folded state, realizes and support oneself under the cooperation of upper push-rod and wheel assembly.
What technical solution provided by the invention was brought has the beneficial effect that：
Children trolley in the present invention realizes the transverse direction of stroller frame by the driving for the sliding part being arranged in Rear frame
It folds and fore-aft fold, the volume of the entire children trolley after folding becomes smaller, convenience in transport and storage.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is structural schematic diagram when children trolley provided by the invention is in unfolded state；
Fig. 2 is explosive view when children trolley provided by the invention is in unfolded state；
Fig. 3 is side view when children trolley provided by the invention is in unfolded state；
Fig. 4 is the side view in children trolley folding process provided by the invention；
Fig. 5 is the stereogram in children trolley folding process provided by the invention；
Fig. 6 is side view when children trolley provided by the invention is in folded state.
Wherein, reference numeral is：Holder on the right side of 11-；The right after-frames of 111-；The right side arms of 112-；The bottom rights 113- push rod；114- is right
Upper push-rod；Swing rod behind the right sides 115-；The right rear poles of 116-；The right front struts of 117-；The right seat bars of 118-；12- left side brackets；121- is left back
Frame；The left front framves of 122-；The lower-lefts 123- push rod；The upper lefts 124- push rod；The left back swing rods of 125-；The left back struts of 126-；The left front supports of 127-
Bar；The left seat bars of 128-；2- vehicle wheel components；3- back rests；The first sides 31- back rest；Back support bar on 311- first；Under 312- first
Back support bar；32- the second side back rests；Back support bar on 321- second；Second time back support bar of 322-；33- link assemblies；331- first
Connecting rod；332- second connecting rods；41- rear connecting frames；The first struts of 411-；The second struts of 412-；Link before 42-；421- thirds
Strut；The 4th struts of 422-；The 5th struts of 423-；The 6th struts of 424-；The first sliding parts of 511-；The second sliding parts of 521-；
The first sliding sleeves of 512-；The second sliding sleeves of 522-；The first connectors of 61-；The second connectors of 62-；63- third connectors；64- the 4th connects
Fitting；The 5th connectors of 64-；The 6th connectors of 66-；The 7th connectors of 67-；The 8th connectors of 68-；7- handrail connecting rods；71-
First handrail connecting rod；72- the second handrail connecting rods；Two axis of the right sides 1102-；Three axis of the right sides 1103-；Five axis of the right sides 1105-；1106- is right
Six axis；Seven axis of the right sides 1107-；1201- the first from left axis；1202- the second from left axis；Three axis of the left sides 1203-；Four axis of the left sides 1204-；Five axis of the left sides 1205-；
Six axis of the left sides 1206-；Seven axis of the left sides 1207-.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, apparatus, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
As shown in figures 1 to 6, a kind of children trolley includes that stroller frame with unfolded state and folded state, setting exist
The vehicle wheel component 2 of the lower part of the stroller frame, vehicle wheel component 2 include left front wheel assembly, left back wheel assembly, off-front wheel component and
Off hind wheel component, the stroller frame include right side holder 11, left side brackets 12 and are used to connect right side holder 11 and left side branch
The link that can be laterally folded of frame 12, the link are arranged between right side holder 11 and left side brackets 12, wherein
Right side holder 11 includes right after-frame 111, right side arm 112, upper right vehicle frame, the first sliding part 511, right rear pole 116 and the right side
Front strut 117, off hind wheel component are arranged in the lower part of right after-frame 111, and off-front wheel component is arranged in the lower part of right side arm 112；
The upper right vehicle frame includes swing rod 115 and right seat bar 118 behind bottom right push rod 113, upper right push rod 114, the right side, right after-frame 111
Top and bottom right push rod 113 rotate and connect around a right axis, the top of bottom right push rod 113 and 114 company of rotating of upper right push rod
It connects；The top of swing rod 115 rotates with the lower end of upper right push rod 114 and connect behind the right side, the lower end of swing rod 115 and right after-frame behind the right side
111 rotate connection around right three axis 1103, the composition of swing rod 115 behind right after-frame 112, bottom right push rod 113, upper right push rod 114 and the right side
Four-bar mechanism；
The top of right side arm 112 rotates around right two axis 1102 with bottom right push rod 113 and connect, a right axis and right two axis 1102
Can be conllinear or parallel, one axis of the right side and right two axis 1102 in the present embodiment are parallel to each other；In the present embodiment, bottom right pushes away
Bar 113 includes bottom right push rod main part and the right folding turn of bilge being fixedly connected with the lower part of the bottom right push rod main part, the right side
One axle position is located at the lower part of the right folding turn of bilge in the lower part of the bottom right push rod main part, right two axis 1102；When the cart
When vehicle frame is in unfolded state, the length direction of the length direction and right after-frame 111 of the right folding turn of bilge is parallel or substantially parallel；
When the stroller frame is in folded state, a right axis and the height of right two axis 1102 are equal or roughly equal.
The lateral wall of right seat bar 118 is slideably equipped with the first sliding sleeve 512, right seat bar along the length direction of right seat bar 118
118 rear end rotates around right seven axis 1107 with swing rod 115 behind the right side and connect, the first sliding sleeve 512 and 113 company of rotating of bottom right push rod
It connects, when stroller frame is converted between expanded position and folding position, right seat bar 118 can be in the guiding of the first sliding sleeve 512
Lower slider；
First sliding part 511 is slidably disposed on right after-frame 111, and the first sliding part 511 is located under right three axis 1103
Side, one end of right rear pole 116, which rotates around right six axis 1106 with the first sliding part 511, to be connect, the other end of right rear pole 116
It rotates and connect with any one in upper left push rod 114, bottom right push rod 113 and the right seat bar 118 in the upper right vehicle frame, this
In embodiment, right rear pole 116 rotates with bottom right push rod 113 and connect；
One end of right front strut 117 rotates around right four axis with right side arm 112 and connect, the other end of right front strut 117 and first
Sliding part 511 rotates connection around right five axis 1105, and the axial direction of right five axis 1105 is parallel with the right side axial direction of six axis 1106.
Left side brackets 12 include left back frame 121, left front frame 122, upper left vehicle frame, the second sliding part 521, left back strut 126
And left front strut 127, left back wheel assembly are arranged in the lower part of left back frame 121, left front wheel assembly is arranged under left front frame 122
Portion；
The upper left vehicle frame includes lower-left push rod 123, upper left push rod 124, left back swing rod 125 and left seat bar 128, left back frame 121
Top rotate and connect with lower-left push rod 123 around the first from left axis 1201, the top of lower-left push rod 123 and 124 phase of upper left push rod turn
Dynamic connection；The top of left back swing rod 125 rotates with the lower end of upper left push rod 124 and connect, and the lower end of left back swing rod 125 is around a left side three
Axis 1203 rotates with left back frame 121 and connect, left back frame 122,125 structure of lower-left push rod 123, upper left push rod 124 and left back swing rod
At four-bar mechanism；
The top of left front frame 122 rotates with lower-left push rod 123 around the second from left axis 1202 and connect, the first from left axis 1201 and the second from left axis 1202
Can be conllinear or parallel, the first from left axis 1201 and the second from left axis 1202 are parallel to each other in the present embodiment；In the present embodiment, lower-left push rod
123 include lower-left push rod main part and the left folding turn of bilge being fixedly connected with the lower part of the lower-left push rod main part, the first from left axis
1201 are located at the lower part of the lower-left push rod main part, and the second from left axis 1202 is located at the lower part of the left folding turn of bilge.When the cart
When vehicle frame is in unfolded state, the length direction of the length direction and left back frame 121 of the left folding turn of bilge is parallel or substantially parallel；
When the stroller frame is in folded state, the first from left axis 1201 is equal or roughly equal with the height of the second from left axis 1202.
The lateral wall of left seat bar 128 is slideably equipped with the second sliding sleeve 522, left seat bar along the length direction of left seat bar 128
128 rear end rotates around left seven axis 1207 with left back swing rod 125 and connect, the second sliding sleeve 522 and 123 company of rotating of lower-left push rod
It connects, when stroller frame is converted between expanded position and folding position, left seat bar 128 can be in the guiding of the second sliding sleeve 522
Lower slider；
Second sliding part 521 is slidably disposed on left back frame 121, and the second sliding part 521 is located under left three axis 1203
Side；One end of left back strut 126 rotates with the second sliding part 521 and connect, the left back strut（126）The other end with it is described
Upper left vehicle frame rotates connection；One end of left back strut 126 rotates with the second sliding part 521 around left six axis 1206 and connect, left
The other end of rear pole 126 with it is arbitrary in upper left push rod 124, lower-left push rod 123 and the left seat bar 128 in the upper left vehicle frame
One connection that rotates, in the present embodiment, left back strut 126 rotates with lower-left push rod 123 and connect；
One end of left front strut 127 and left front frame 122 rotate around left four axis 1204 and connects, the other end of left front strut 127 and
Second sliding part 521 rotates connection around left five axis 1205, and the axial direction of left five axis 1205 is parallel with the left side axial direction of six axis 1206.
Link includes the rear connecting frame 41 and can roll over that lateral dimension that is folding and allowing the stroller frame reduces
The preceding link 42 that lateral dimension that is folded and allowing the stroller frame reduces, rear connecting frame 41 include the first strut 411 and
It intersects with the first strut 411 and rotates the second strut 412 connecting in infall, one end and bottom right of the first strut 411
Push rod 113 is rotated connection by the first connector 61, and the other end of the first strut 411 and the second sliding part 521 pass through second
Connector 62 rotates connection, and one end of the second strut 412, which is rotated with lower-left push rod 123 by third connector 63, to be connect,
The other end of second strut 412 is rotated by the 4th connector 64 with the first sliding part 511 and is connect.
In the present embodiment, the first connector 61 also rotates with bottom right push rod 113 around a right axis and connect, third connection
Part 63 also rotates simultaneously with lower-left push rod 123 around the first from left axis 1201 and connect；Second connector 62 also around six axis 1206 of a left side with
Second sliding part 521 rotates connection, and the 4th connector 64 is also around right six axis 1106 and 511 company of rotating of the first sliding part
It connects so that the overall structure of stroller frame is compacter.
Preceding link 42 includes third strut 421, intersects with third strut 421 and rotates the connect in infall
Four struts 422, rotate the 5th strut 423 connecting and one end phase turn with the 4th strut 422 with one end of third strut 421
6th strut 424 of dynamic connection；The other end of third strut 421 is rotated with the first sliding part 511 by the 5th connector 65
Connection, the 5th strut 423, which is rotated with left front frame 122 by the 6th connector 66, to be connect；The other end of 4th strut 422 and
Two sliding parts 521 are rotated connection by the 7th connector 67, and the 6th strut 424 passes through the 8th connector 68 with right side arm 112
Rotate connection.
In the present embodiment, the 5th connector 65 also rotates with the first sliding part 511 around right five axis 1105 and connect, and the 6th connects
Fitting 66 also rotates with left front frame 122 around left four axis 1204 and connect；7th connector 67 is also around left five axis and the second sliding part
521 rotate connection, and the 8th connector 68 also rotates with right side arm 112 around right four axis and connect so that stroller frame
Overall structure is compacter.
Link in the present invention is connected by multiple connectors with left side brackets 12 and right side holder 11, and multiple companies
Fitting is connected around left side brackets 12 and 11 existing shaft of right side holder, realizes that the efficient utilization to space, multiple connectors are adopted
Shaft is conllinear with the shaft of existing corresponding position in left side brackets 12 and right side holder 11 or its rotational axis line is total
The technical solution of line, it is all identical as the claimed content of the present invention, also belong to invention which is intended to be protected.
In the present embodiment, the stroller frame further includes the back rest being arranged between right side holder 11 and left side brackets 12
3, back rest 3 includes：
First side back rest 31, the first side back rest 31 include first on back support bar 311 and first time back support bar 312, first
Upper back support bar 311 is slideably connected with first time back support bar 312 along the length direction of first time back support bar 312, the first side
Back rest 31 also rotates with right seat bar 118 around right seven axis 1107 and connect；
The second side back rest 32, the second side back rest 32 include second on back support bar 321 and second time back support bar 322, second
Upper back support bar 321 is slideably connected with second time back support bar 322 along the length direction of second time back support bar 322, the second side
Back rest 32 also rotates with left seat bar 128 around left seven axis 1207 and connect；
Link assembly 33, the first side back rest 31 and the second side back rest 32 are connected by link assembly 33 that can be laterally folded
It connects；Link assembly 33 include first connecting rod 331 and intersect with first connecting rod 331 and infall rotate connect second connect
Bar 332；One end of first connecting rod 331 rotates with back support bar on second 321 and connect, the other end of first connecting rod 331 and first
Lower back support bar 312 rotates connection；One end of second connecting rod 332 rotates with second time back support bar 322 and connect, second connecting rod
332 other end rotates with back support bar on first 311 and connect.
When the stroller frame is converted from unfolded state to folded state, the right side holder 11 is towards the left side brackets
12 draw close, and first side back rest 31 is drawn close towards the second side back rest 32, and first time back support bar 312 is towards described
The direction sliding of back support bar 311, second time back support bar 322 are slided towards the direction of back support bar 321 on described second on one.This
Children trolley in embodiment, by be provided with can the back rest 3 that is lower of laterally folded and folded height, the back rest 3
Setting so that entire children trolley make the volume of short transverse become smaller, convenience in transport and storage after folding.
Stroller frame in the present embodiment further includes handrail connecting rod 7, and handrail connecting rod 7 includes the first handrail connecting rod 71
And the second handrail connecting rod 72 connecting that rotates with the first handrail connecting rod 71, the first handrail connecting rod 71 and upper right push rod
114 top rotates connection, and the second handrail connecting rod 72 rotates with the top of upper left push rod 124 to be connect.The handrail connects
It is additionally provided with anti-skidding shockproof sheath on bar 7, the function of handrail can be provided for children trolley.
When the stroller frame of children trolley in the present embodiment is in unfolded state, as shown in Figure 1, vehicle wheel component 2 lands
Children trolley is supported completely, the first sliding part 511 and the second sliding part 521 are located at the highest order of its own, respectively all
Near right three axis 1103 and left three axis 1203；Under the action of link 41 between sinistral carriage 12 and dextral carriage 11 away from
From maximum, and sinistral carriage 12 and dextral carriage 11 be respectively all in fully unfolded position, at this time right side arm 112 and bottom right push rod
113 bottom right push rod main part is parallel or almost parallel, and left front frame 122 is parallel with the lower-left push rod main part of lower-left push rod 123
Or it is almost parallel, the comprehensive length of the first side back rest 31 and the comprehensive length of the second side back rest 32 respectively reach maximum, right
Horizontal or almost horizontal provides comfortable branch for supporting root decline etc. for the children of seating respectively for seat bar 118 and left seat bar 128
Support；Handrail connecting rod 7 is also at full open position.
When the stroller frame of the children trolley in the present embodiment is folded from unfolded state to folded state, such as Fig. 4-5 institutes
Show, unlock the locking device for the stroller frame to be locked in cassette tape state, while pushing upper left vehicle frame and upper right vehicle frame,
Upper push-rod at this time（Including upper left push rod 124 and upper right push rod 114）, lower push-rod（Including lower-left push rod 123 and bottom right push rod
113）, rear swing rod（Including swing rod 115 behind left back swing rod 125 and the right side）Deng to Rear frame（Including left back frame 121 and right after-frame 111）
It draws close, passes through rear pole（Including left back strut 126 and right rear pole 116）Drive the first sliding part 511 and the second sliding part 521
Respectively along the direction sliding of a in figure, the first sliding part 511 and the second sliding part 521 pass through the front strut that is connected on itself
（Including left front strut 127 and right front strut 117）Drive front frame（Including left front frame 122 and right side arm 112）It is leaned on to Rear frame
Hold together, and the first sliding part 511 and the second sliding part 521 pass through the link that is connected on itself（Including rear connecting frame 41 and
Preceding link 42）Left side brackets 12 and right side holder 11 are driven to draw close to each other so that entire vehicle frame realizes front and back and upper and lower ruler
While very little diminution, also achieve laterally folded.
In the process, the right side holder 11 in back rest 3 is drawn close towards left side brackets 12, the first side back rest 31 towards second
Side back rest 32 is drawn close, the direction sliding of back support bar 311 in first time back support bar 312 towards first, and second time back support bar 322 is towards the
The direction sliding of back support bar 321, back rest 3 fold while also achieving short transverse and width direction on two.Handrail connects
Bar 7 also achieves folding, wherein the first handrail connecting rod 71 is downwardly turned over and drawn close towards upper right push rod 114, the connection of the second handrail
Bar 72 is downwardly turned over and is drawn close towards upper left push rod 124.Seat bar（Including right seat bar 118 and left seat bar 128）In the drive of rear swing rod
Lower slide downward.
When the stroller frame of the children trolley in the present embodiment is in folded state, as shown in fig. 6, in being with Rear frame
The heart, upper frame（Including upper left vehicle frame and upper right vehicle frame）It is drawn close completely to Rear frame, front frame is drawn close to Rear frame completely, and first
Sliding part 511 and the second sliding part 521 are all located at the corresponding lower part of Rear frame, front component（Including left front wheel assembly and
Off-front wheel component）Respectively with the wheel assembly of corresponding position（Including left back wheel assembly and there is wheel assembly）In the width of stroller frame
Direction coincidence is spent, the highest point of back rest 3 and the highest point of seat bar are all not above the highest point of Rear frame, first rotating shaft（Packet
Include a right axis and right two axis 1102）With the second shaft（Including the first from left axis 1201 and the second from left axis 1202）Height is identical or approximate phase
Together, i.e. the axial line of first rotating shaft and the axial line of the second shaft is located in the same horizontal plane, or is located approximately at same level
In face；The highest point of the highest point of front frame, the highest point of Rear frame and upper push-rod is almost equal, and entire children trolley
The highest point of folded state.The bottom of upper push-rod and the bottom of vehicle wheel component are almost located at same level so that children
Cart can also realize self-support in folded state.Right side holder 11 is also leaned on left side brackets 12 under the action of link completely
Hold together so that the lateral dimension of entire children trolley reaches minimum.
Further, the foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of children trolley, includes stroller frame with unfolded state and folded state, is arranged in the stroller frame
The vehicle wheel component of lower part（2）, the vehicle wheel component（2）Including front component and wheel assembly, which is characterized in that the cart vehicle
Frame includes the side stand positioned at the left and right sides（11,12）And positioned at side stand described in both sides（11,12）Between can be laterally folded
Link, the link respectively with side stand described in both sides（11,12）Connection,
The side stand per side（11,12）Including：
Rear frame（111,121）, wheel assembly setting vehicle frame in the rear（111,121）Lower part；
Front frame（112,122）, the front component setting is in the front frame（112,122）Lower part；
Upper frame, the upper frame include lower push-rod（113,123）, upper push-rod（114,124）And rear swing rod（115,125）, institute
State Rear frame（111,121）Top and the lower push-rod（113,123）Rotate connection, the front frame（112,122）'s
Top and the lower push-rod（113,123）Rotate connection；The lower push-rod（113,123）Top and the upper push-rod
（114,124）Rotate connection；Swing rod after described（115,125）Top and the upper push-rod（114,124）Lower end phase turn
Dynamic connection, the rear swing rod（115,125）Lower end and the Rear frame（111,121）Rotate connection, per side it is described after
Vehicle frame（112,122）, the lower push-rod（113,123）, the upper push-rod（114,124）And the rear swing rod（115,125）Structure
At four-bar mechanism；
Sliding part, the sliding part（511,521）It is slidably disposed on the Rear frame（111,121）On；
Rear pole（116,126）, the rear pole（116,126）One end and the sliding part（511,521）Rotate connection,
The rear pole（116,126）The other end rotate and connect with the upper frame；
Front strut（117,127）, the front strut（117,127）One end and the front frame（112,122）Rotate connection,
The front strut（117,127）The other end and the sliding part（511,521）Rotate connection；
When the stroller frame is folded from unfolded state to folded state, the upper frame is folded down, the rear pole
（116,126）Drive the sliding part（511,521）Along the Rear frame（111,121）Length direction slide downward；Institute
State sliding part（511,521）Pass through the front strut（117,127）Drive the front frame（112,122）To the Rear frame
（111,121）It draws close.
2. children trolley according to claim 1, it is characterised in that：The link includes rear connecting frame（41）And preceding company
Connect frame（42）,
The rear connecting frame（41）Including the first strut（411）And with first strut（411）It intersects and in infall phase
Second strut of rotation connection（412）, first strut（411）One end and the lower push-rod（113,123）In bottom right
Push rod（113）Rotate connection, first strut（411）The other end and the sliding part（511,521）In second slide
Moving part（521）Rotate connection, second strut（412）One end and the lower push-rod（113,123）In lower-left push rod
（123）Rotate connection, second strut（412）The other end and the sliding part（511,521）In the first sliding part
（511）Rotate connection；
The preceding link（42）Including third strut（421）And the third strut（421）It intersects and turns in infall phase
4th strut of dynamic connection（422）And the third strut（421）Front end rotate the 5th strut of connection（423）And with
4th strut（422）Front end rotate the 6th strut of connection（424）；The third strut（421）Rear end with it is described
First sliding part（511）Rotate connection, the 5th strut（423）With the front frame（112,122）In left front frame
（122）Rotate connection；4th strut（422）Rear end and second sliding part（521）Rotate connection, and the described 6th
Strut（424）With the front frame（112,122）In right side arm（112）Rotate connection；
When the stroller frame is folded from unfolded state to folded state, the sliding part（511,521）Drive the connection
Frame（41,42）The laterally folded side stand for making both sides（11,12）It draws close.
3. children trolley according to claim 2, it is characterised in that：Rear frame described in per side（111,121）Under described
Push rod（113,123）It rotates connection around first axle, the front frame（112,122）With the lower push-rod（113,123）Around
Two axis rotate connection, and the first axle and second axis are conllinear or parallel；
First strut（411）One axis of the right side in the first axle and the bottom right push rod（113）Rotate connection, described
Second strut（412）The first from left axis in the first axle（1201）With the lower-left push rod（123）Rotate connection.
4. children trolley according to claim 3, it is characterised in that：Lower push-rod described in per side（113,123）It is pushed away including under
Bar main part and the bending part being fixedly connected with the lower part of the lower push-rod main part, the first axle are located at the lower push-rod master
The lower part in body portion, second axle position is in the lower part of the bending part；
When the stroller frame is in unfolded state, the length direction of the bending part and the Rear frame（111,121）'s
Length direction is parallel；When the stroller frame is in folded state, the axis of the axis of the first axle and second axis
It is located in the same horizontal plane.
5. children trolley according to claim 2, it is characterised in that：Swing rod after described（115,125）With the Rear frame
（111,121）It rotates connection around third axis, the sliding part（511,521）Positioned at the lower section of the third axis.
6. children trolley according to claim 2, it is characterised in that：
The right front strut（117）And the 6th strut（424）Rotating around right four axis and the right side arm（112）The company of rotating
It connects, the right front strut（117）And the third strut（421）Rotating around right five axis（1105）With first sliding part
（511）Rotate connection；
The left front strut（127）And the 5th strut（423）Rotating around left four axis（1204）With the left front frame（122）Phase
Rotation connection, the left front strut（127）And the 4th strut（422）Rotating around left five axis（1205）With second sliding
Part（521）Rotate connection.
7. children trolley according to claim 6, it is characterised in that：First strut（411）And the rear pole
（116,126）In left back strut（126）Rotating around left six axis（1206）With second sliding part（521）Rotate connection,
Left five axis（1205）Axial direction and left six axis（1206）Axial direction it is parallel；Second strut（412）And it is described
Rear pole（116,126）In right rear pole（116）Rotating around right six axis（1106）With first sliding part（511）It rotates
Connection, right six axis（1106）Axial direction and right five axis（1105）Axial direction it is parallel.
8. children trolley according to claim 1, it is characterised in that：The upper frame further includes a bar（118,128）, institute
State a bar（118,128）Lateral wall along the seat bar（118,128）Length direction slideably be equipped with sliding sleeve（512,
522）, the seat bar（118,128）Rear end with it is described after swing rod（115,125）It rotates connection around the 7th axis, the sliding sleeve
（512,522）With the lower push-rod（113,123）Rotate connection.
9. children trolley according to claim 1, it is characterised in that：The stroller frame further includes being arranged described in both sides
Side stand（11,12）Between back rest（3）, the back rest（3）Including：
It is located at the side back rest of the left and right sides（31,32）, per side back rest described in side（31,32）Including upper back support bar
（311,321）And lower back support bar（312,322）, the upper back support bar（311,321）Along the lower back support bar（312,322）Length
Spend direction slideably with the lower back support bar（312,322）It is connected, the side back rest（31,32）Respectively with the institute of homonymy
State side stand（11,12）It is connected；
The side back rest described in both sides is set（31,32）Between link assembly（33）, the back rest of both sides（31,32）It is logical
Cross the link assembly that can be laterally folded（33）It is connected, the link assembly（33）Including first connecting rod（331）And with
The first connecting rod（331）It intersects and the second connecting rod for the connection that rotates in infall（332）；The first connecting rod（331）
One end and the upper back support bar（311,321）In second on back support bar（321）Rotate connection, the first connecting rod
（331）The other end and the lower back support bar（312,322）In first time back support bar（312）Rotate connection；Described second
Connecting rod（332）One end and the lower back support bar（312,322）In second time back support bar（322）Rotate connection, and described
Two connecting rods（332）The other end and the upper back support bar（311,321）In first on back support bar（311）Rotate connection.
10. children trolley according to claim 1, it is characterised in that：The rear pole（116,126）With the lower push-rod
（113,123）Rotate connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288321.4A CN108482472B (en) | 2018-04-03 | 2018-04-03 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288321.4A CN108482472B (en) | 2018-04-03 | 2018-04-03 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108482472A true CN108482472A (en) | 2018-09-04 |
| CN108482472B CN108482472B (en) | 2024-02-27 |
Family
ID=63318202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810288321.4A Active CN108482472B (en) | 2018-04-03 | 2018-04-03 | Child cart |
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| CN (1) | CN108482472B (en) |
Cited By (1)
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| CN109625069A (en) * | 2018-12-25 | 2019-04-16 | 中山市新概念儿童用品有限公司 | A kind of baby stroller vehicle frame |
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| CN108482472B (en) | 2024-02-27 |
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