CN108773408A - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN108773408A CN108773408A CN201810720502.XA CN201810720502A CN108773408A CN 108773408 A CN108773408 A CN 108773408A CN 201810720502 A CN201810720502 A CN 201810720502A CN 108773408 A CN108773408 A CN 108773408A
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- China
- Prior art keywords
- connecting rod
- upper boom
- handle
- lower beam
- rotatably connected
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- 230000007246 mechanism Effects 0.000 description 4
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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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
- B62B7/083—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
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of children trolley, after-poppet is scalable so that the children trolley small volume after folding.A kind of children trolley, includes the vehicle frame with unfolded state and folded state, front component and wheel assembly set on bottom of frame, and vehicle frame includes two or more side stands and the lateral frame that is connected between side stand；Each side stand respectively includes handle and after-poppet, and after-poppet includes upper boom and lower beam, and upper boom and lower beam opposite can be slidably connected, and wheel assembly is set to the lower end of lower beam；Each side stand is respectively further comprised for driving lower beam with respect to the link assembly of upper boom sliding when the handle acts；When the vehicle frame is converted from unfolded state to folded state, the lower beam is slided along the extending direction of the upper boom, and the length of the after-poppet shortens.
Description
Technical field
The present invention relates to articles for children fields, and in particular to a kind of children trolley.
Background technology
Currently, children trolley, which can be folded and then be realized, reduces volume, in order to store.However many children trolleys
After folding, there are after-poppet length is long so that be not suitable with the length of fore-stock and cause it is whole take up space it is larger.
In order to reduce the length of the after-poppet after children trolley folds, the after-poppet of some children trolleys includes relatively turnable two
A component, although folding can be overturn, need after vehicle frame folding carry out twice-folded can realize after-poppet into
One step folding and diminution, it is not convenient enough to fold, and therefore, it is difficult to meet the increasingly consumption experience of high standards and current demand.
Invention content
The present invention provides a kind of children trolley, existing after-poppet is long after being folded which solve children trolley asks
Topic, after-poppet are scalable so that the children trolley small volume after folding.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of children trolley includes vehicle frame with unfolded state and folded state, set on the front component of the bottom of frame
And wheel assembly, the vehicle frame include two or more side stands and the horizontal branch that is connected between the side stand
Frame；Each side stand respectively includes push handle component and after-poppet,
The after-poppet includes upper boom and lower beam, and the upper boom and the lower beam opposite can be slidably connected, the wheel assembly
Set on the lower end of the lower beam；
Each side stand is respectively further comprised for driving the relatively described upper boom of the lower beam when the push handle component acts
The link assembly of sliding；
When the vehicle frame is converted from unfolded state to folded state, the lower beam is slided along the extending direction of the upper boom, institute
The length for stating after-poppet shortens.
Preferably, the link assembly includes：
Drive link is driven by the push handle component during vehicle frame folding and is rotated；
Upper boom connecting rod, thereafter end be rotatably connected at the upper boom；And
Lower beam connecting rod, thereafter end be rotatably connected at the lower beam；
Wherein, the front end of the lower beam connecting rod is rotationally and slidably connected to the upper boom connecting rod, the drive link
Lower end be rotatably connected at the lower beam connecting rod, when the vehicle frame is in unfolded state, the lower beam connecting rod it is described
Front end is connected at the first position of the upper boom connecting rod；When the vehicle frame is in folded state, the institute of the lower beam connecting rod
The second place that front end is connected to the upper boom connecting rod is stated, the second position is located at the front of the first position.
It is highly preferred that the link assembly further includes the sliding part for being slidably connected to the upper boom connecting rod, the drive
The lower end of dynamic connecting rod, the front end of the lower beam connecting rod and the sliding part rotate connection.
Further, the sliding part is the sliding sleeve being slideably sheathed on the upper boom connecting rod.
A specific embodiment according to the present invention, the push handle component include that handle and upper end are rotatably connected at
The handle upper connecting rod of the handle lower part, the upper end of the drive link are rotatably connected at the lower end of the handle,
The side stand further includes that lower end is provided with the fore-stock of the front component and is rotatably connected at the fore-stock
Seat bar；The upper end three of the upper end of the fore-stock, the lower end of the handle upper connecting rod and the upper boom is opposite two-by-two
Rotationally connect or rotate coaxially connection；The drive link is rotatably connected at the upper boom；Before the upper boom connecting rod
Portion is rotatably connected at the seat bar；When the vehicle frame is in folded state, the lower end of the fore-stock and the lower beam
Lower end, the handle lower end mutually draw close, the upper end of the fore-stock, the upper boom upper end and described push away
Upper end mutually draw close.
Another specific embodiment according to the present invention, the push handle component include that handle and upper end are rotatably coupled
Handle upper connecting rod in the lower part of the handle, the side stand further include the preceding branch that lower end is provided with the front component
Frame, the seat bar for being rotatably connected at the fore-stock and the bar for being rotatably connected at the handle upper connecting rod；It is described
The upper end three of the upper end of fore-stock, the lower end of the handle upper connecting rod and the upper boom connects in relative rotation two-by-two
Or rotate coaxially connection；The drive link is rotatably connected at the upper boom and the upper end of the drive link is rotatable
Ground is connected to the bar；The front of the upper boom connecting rod is rotatably connected at the seat bar；When the vehicle frame is folding
When state, the lower end of the lower end of the fore-stock and the lower beam, the handle lower end mutually draw close, it is described before branch
The upper end of the upper end of frame, the upper end of the upper boom and the handle is mutually drawn close.
According to a preferred embodiment of the present invention, the side stand further includes that upper end is rotatably connected at described push away
Lower end handle lower link, the lower end of the handle lower link is rotatably connected at the lower beam.
It is highly preferred that when the vehicle frame is in unfolded state, the center line of the handle lower link and the drive link
Center line overlap.
Preferably, the lateral frame includes preceding cross support component and rear cross support component；
The preceding cross support component includes the first connecting rod of two rotated by pivot connection by intersection composition decussate textures,
The upper end of each first connecting rod is rotatably connected at the rear end of the seat bar of two side stands and/or described respectively
The front end of upper boom connecting rod, the lower end of each first connecting rod are rotatably connected at the preceding branch of two side stands respectively
The lower end of frame；
Cross support component includes the second connecting rod of two rotated by pivot connection by intersection composition decussate textures after described,
The upper end of each second connecting rod is rotatably connected at the sliding parts of two side stands, the handle connecting rod respectively
Lower end and at least one of the front end of the upper boom connecting rod, the lower end of each second connecting rod rotationally connect respectively
It is connected to the lower end of the upper boom of two side stands.
Preferably, the upper boom is consistent with the extending direction of the lower beam, and the lower beam can be along the extension side of the upper boom
To being slidably connected to the upper boom.
It is highly preferred that the lower beam can be slidably inserted in along the extending direction of the upper boom in the upper boom.
Further, the upper end of the lower beam is formed with the end plug being plugged in the upper boom, and the link assembly is logical
It crosses third and is pivotally connected to the end plug, its extending direction of the wall upper edge of the upper boom offers to be slided for the third pivot
Sliding slot, the third pivot is slideably threaded through in the sliding slot.
In conjunction with above-mentioned, the present invention uses above technical scheme, has the following advantages that compared with prior art：
Children trolley provided by the invention, after-poppet includes can be with respect to the upper boom and lower beam slided so as to flexible, and passes through
Link assembly makes lower beam and push handle component link, and in vehicle frame folding, as push handle component acts, lower beam is in link assembly
It is drawn close with respect to upper boom upward sliding under effect so that the after-poppet entire length after folding reduces and does not need twice-folded,
Reduce the volume of the children trolley after folding, and folding convenient.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical scheme of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of the children trolley of embodiment 1 upon deployment；
Fig. 2 is the side view of children trolley shown in FIG. 1 upon deployment；
Fig. 3 is the sectional view at J in Fig. 2；
Fig. 4 is side view of the children trolley in folding process described in Fig. 1；
Fig. 5 is the sectional view at K in Fig. 4；
Fig. 6 is the side view of children trolley shown in FIG. 1 after folding；
Fig. 7 is the sectional view at L in Fig. 6；
Fig. 8 is upward view of the children trolley shown in FIG. 1 in folded state；
Fig. 9 is the side view of the children trolley of the embodiment of the present invention 2 upon deployment；
Figure 10 is the partial enlarged view at M in Fig. 9；
Figure 11 is the side view of children trolley shown in Fig. 9；
Figure 12 is the inner side view of the side stand of children trolley shown in Fig. 9；
Figure 13 is the side view of children trolley shown in Fig. 9 after folding；
The side view of the children trolley of Figure 14 embodiment of the present invention 3 upon deployment；
Figure 15 is the partial enlarged view at N in Figure 14；
Figure 16 is the side view of children trolley shown in Figure 14；
Figure 17 is the inner side view of the side stand of children trolley shown in Figure 14；
Figure 18 is the side view of children trolley shown in Figure 14 after folding.
Wherein, 100, vehicle frame；101, side stand；102, lateral frame；200, front component；300, wheel assembly；
1, handle；2, after-poppet；21, upper boom；211, sliding slot；22, lower beam；221, end plug；3, drive link；4, upper boom connecting rod；
41, sliding sleeve；5, lower beam connecting rod；6, fore-stock；7, handle upper connecting rod；8, seat bar；91, first connecting rod；92, second connecting rod；93,U
Shape part；
31, handle；32, after-poppet；321, upper boom；322, lower beam；33, drive link；34, upper boom connecting rod；341, sliding sleeve；35,
Lower beam connecting rod；36, fore-stock；37, handle upper connecting rod；38, seat bar；39, bar；
30, handle lower link.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.The noun of locality addressed in the present invention be with this field to unfolded state when children
It the usual observation visual angle of cart and is defined to describe convenient.
Embodiment 1
Fig. 1-8 shows a kind of children trolley of the present invention, includes vehicle frame 100 with unfolded state and folded state, is set to
The front component 200 and wheel assembly 300 of 100 bottom of vehicle frame, vehicle frame 100 include two or more side stands 101 with
And it is connected to the lateral frame 102 between side stand 101.In the present embodiment, the quantity of side stand 101 is two and is located at
The left and right sides of virgin cart.Each side stand 101 respectively includes push handle component and after-poppet 2, and after-poppet 2 includes upper boom 21 under
Bar 22, upper boom 21 and lower beam 22 opposite can be slidably connected, so that after-poppet 2 can stretch.Each side stand 101 also divides
Not Bao Kuo link assembly, for when push handle component act drive lower beam 22 with respect to upper boom 21 sliding so that vehicle frame 100 exists
When folding, lower beam 22 and push handle component linkage, as push handle component pushes, lower beam 22 is under the action of link assembly along Fig. 2
Direction sliding with upper boom 21 to draw close shown in arrow B.In the present embodiment, push handle component specifically includes to be connected on handle 1 and handle
The upper end of bar 7, handle upper connecting rod 7 is rotatably connected at 1 lower part of handle.When vehicle frame 100 is in unfolded state, 22 phase of lower beam
Upper boom 21 is unfolded；And when vehicle frame 100 is in folded state, the upper end of lower beam 22 and the upper end of upper boom 21 are mutually drawn close,
The lower end of lower beam 22 and the lower end of upper boom 21 are mutually drawn close, and after-poppet 2 is folded to reduce the volume of folding rear carriage 100.
That is, when vehicle frame 100 is converted from unfolded state to folded state, lower beam 22 is slided along the extending direction of upper boom 21, is made
The whole length of after-poppet 2 is obtained to shorten.
Above-mentioned side stand can be used various structures, structure shown in including but not limited to Fig. 1-8.As shown in Figs. 1-3, this reality
The link assembly for applying example specifically includes drive link 3, upper boom connecting rod 4 and lower beam connecting rod 5, and drive link 3 is in vehicle frame folding mistake
It is driven and is overturn by push handle component in journey, by the drive link 3 of link assembly and lower beam connecting rod 5 by 1 He of handle of push handle component
Lower beam 22 connects, and realizes the linkage of the two.Drive link 3 substantially vertically extends, and end passes through the first pivot a1 thereon
It is rotatably connected at the lower end of handle 1；Upper boom connecting rod 4 substantially extends along the longitudinal direction, and end passes through the second pivot thereafter
A2 is rotatably connected at upper boom 21；Lower beam connecting rod 5 substantially extends along the longitudinal direction, and end can be turned by third pivot a3 thereafter
It is connected to lower beam 22 dynamicly.The front end of lower beam connecting rod 5 is rotationally and slidably connected to upper boom connecting rod 4, drive link 3
Lower end is rotatably connected at upper boom connecting rod 4.Specifically, link assembly further includes being slidably connected to upper boom connecting rod 4
Sliding part, sliding part are specially slideably sheathed on the sliding sleeve 41 on upper boom connecting rod 4, and the lower end of drive link 3, lower beam connect
The front end of bar 5 is rotated connection by the 4th pivot a4 and sliding sleeve 41.As handle 1 pushes, the lower end of drive link 3
It is flipped up, drives sliding sleeve 41 and lower beam connecting rod 5 direction shown in arrow A along Fig. 2 to be slided with respect to upper boom connecting rod 4, lower beam 22
Direction sliding shown in arrow B realizes that linkage is shunk to be drawn close with upper boom 21 along Fig. 2 under the action of lower beam connecting rod 5.Work as vehicle
In unfolded state, the front end of lower beam connecting rod 5 is connected at the first position of upper boom connecting rod 4 frame 100（Position residing for sliding sleeve 41
It sets）；When vehicle frame 100 is in folded state, the front end of lower beam connecting rod 5 is connected to the second place of upper boom connecting rod 4, second
Setting in the front of first position.That is, sliding sleeve 41 is drawn close to the front end of upper boom connecting rod 4 when folding.
Wheel assembly 300 is specifically set to the lower end of the lower beam 22 of after-poppet 2.Each side stand 101 respectively further comprises
6 handle upper connecting rod 7 of fore-stock and seat bar 8, front component 200 are set to the lower end of fore-stock 6, the upper end of handle upper connecting rod 7
Portion is rotatably connected at handle 1 by the 5th pivot a5, and seat bar 8 is rotatably connected at fore-stock 6 by the 6th pivot a6
On.Drive link 3 is rotatably connected at upper boom 21 by the 7th pivot a7 so that handle 1, drive link 3, upper boom 21 and pushes away
One four-bar mechanism of composition between upper connecting rod 7.The front of upper boom connecting rod 4 is rotatably connected at seat by the 8th pivot a8
The rear end of bar 8.The upper end three of the upper end of fore-stock 6, the lower end of handle upper connecting rod 7 and upper boom 21 is opposite two-by-two to be turned
Connect or rotate coaxially dynamicly connection；That is, the upper end of the upper end of fore-stock 6, the lower end of handle upper connecting rod 7 and upper boom 21
Three components by same pivot rotate connection or three components in first component and second component pass through a pivot
Axis rotates connection and third component is rotatably connected at first component or second component by another pivot.Tool
In body to the present embodiment, the upper end of fore-stock 6 is rotatably connected at the upper end of upper boom 21, handle by the 9th pivot a9
The lower end of upper connecting rod 7 is rotatably connected at the upper end of upper boom 21 by the tenth pivot a10.
The first pivot a1, the second pivot a2, third pivot a3, the 4th pivot a4, the 5th pivot in each side stand 101
A5, the 6th pivot a6, the 7th pivot a7, the 8th pivot a8, the 9th pivot a9 and the tenth pivot a10 axial line be mutually parallel,
Preferably along the left and right directions horizontal extension of children trolley.The axial line phase mutual respect of the corresponding pivot of two side stands 101
It closes, the axial line of such as the first pivot a1 of two side stands 101 overlaps, two the second pivot a2 of two side stands 101
Axial line overlap, and so on.
Upper boom 21 is consistent with the extending direction of lower beam 22, and lower beam 22 can be slidably connected to along the extending direction of upper boom 21
Bar 21.Specific in the present embodiment, lower beam 22 can be slidably inserted in along the extending direction of upper boom 21 in upper boom 21.Lower beam 22
Upper end is formed with the end plug 221 being plugged in upper boom 21, and the rear end of lower beam connecting rod 5 is rotationally connected by third pivot a3
It is connected to end plug 221, its extending direction of the wall upper edge of upper boom 21 offers the sliding slot 211 for the a3 slidings of third pivot, third pivot
Axis a3 is slideably threaded through in sliding slot 211, to allow lower beam 22 to be slided with respect to upper boom 21.
The lateral frame 102 can be unfolded along the left and right directions of children trolley, fold.In the present embodiment, lateral frame 102 is main
By for making the fore-stock 6 of both sides inwardly collapse preceding cross support component and for making the after-poppet 2 of both sides inwardly collapse after
Cross support component forms.Shown in referring to Fig.1, preceding cross support component intersects composition ten by rotating connection by pivot including two
The first connecting rod 91 of character form structure, the upper end of each first connecting rod 91 are rotatably connected at the upper of two side stands 101 respectively
The lower end of the front end of bar connecting rod 4, each first connecting rod 91 is rotatably connected at the fore-stock 6 of two side stands 101 respectively
Lower end.It should be noted that if 91 upper end of first connecting rod is rotationally connected with a side stand 101, then the first connecting rod
91 lower end is rotationally connected with another side stand 101.
Cross support component includes the second connecting rod of two rotated by pivot connection by intersection composition decussate textures afterwards
92, the upper end of each second connecting rod 92 is rotatably connected at the sliding part of two side stands 101 respectively, each second connecting rod 92
Lower end is rotatably connected at the lower end of the upper boom 21 of two side stands 101 respectively.It should be noted that if second connecting rod
92 upper end is rotationally connected with a side stand 101, then it is collateral to be rotationally connected with another for the lower end of the second connecting rod 92
Frame 101.
First connecting rod 91 and second connecting rod 92 are rotated connection by U-shaped part 93 and side stand 101.U-shaped part 93 passes through one
A pivot is connected to side stand 101, and the end of first connecting rod 91 or second connecting rod 92 pivots connection by another
Intersect in the axial line of two pivots on U-shaped part 93, same U-shaped part 93, is preferably mutually perpendicular to.Specific to the present embodiment
In, the upper end of first connecting rod 91, which is rotated by the U-shaped part 93 described in one with the front end of upper boom connecting rod 4, to be connect；First
The lower end of connecting rod 91 is rotated with the lower end of fore-stock 6 by the U-shaped part 93 described in one and is connect；Second connecting rod 92 it is upper
End is rotated with sliding sleeve 41 by the U-shaped part 93 described in one and is connect；The lower end of second connecting rod 92 passes through the U described in one
Type part 93 rotates with the lower end of upper boom 21 and connect.
As shown in Figs. 1-3, upon deployment, vehicle frame 100 is in unfolded state, the preceding cross of lateral frame 102 to children trolley
Component and rear cross support component are unfolded respectively, and two side stands 101 are between left and right every handle, fore-stock 6, after-poppet 2 are opposite to be opened up
It opens, and the lower beam 22 of after-poppet 2 is stretched out with respect to lower beam 22.
As shown in Figures 4 and 5, when vehicle frame 100 is in folding, it is pressed downward handle 1 so that 1 lower end of handle is rearwardly and down
Overturning, the overturning of drive link 3 drive sliding sleeve 41 along 4 forward slip of upper boom connecting rod, and lower beam connecting rod 5 moves forward therewith, to band
Dynamic lower beam 22 slides into upper boom 21, while handle 1 is drawn close under the effect of drive link 3 to the upper boom 21 of after-poppet 2, fore-stock 6
It is drawn close to the upper boom 21 of after-poppet 2 under the action of upper boom connecting rod 4 and seat bar 8；And as sliding sleeve 41 slides, rear cross support component
It folds, preceding cross support component is moved also with upper boom connecting rod 4 and folded so that the side stand 101 of both sides is folded to centre.Until
State as shown in figs 6-8 is folded into, vehicle frame 100, which folds, to be completed to reach folded state, and lateral frame 102 is folded so that two at this time
The side stand 101 of side is drawn close；The upper end of the handle 1 of each side stand 101, the lower end and upper boom 21 of drive link 3 upper end
Portion, the front end of upper boom connecting rod 4, seat bar 8 rear end mutually draw close, the lower end of handle 1, the upper end of drive link 3 and
The lower end of upper boom 21, the lower end of fore-stock 6 are mutually drawn close, and the lower beam 22 of after-poppet 2 is contracted in upper boom 21, before both sides
Wheel assembly 200 collapses between the wheel assembly 300 of both sides.
Children trolley provided by the invention, after-poppet 2 include that can be stretched with respect to the upper boom 21 and lower beam 22 slided
Contracting, and by link assembly lower beam 22 and push handle component are linked, when vehicle frame 100 folds, with the handle 1 of push handle component
Action, lower beam 22 are drawn close under the action of link assembly with respect to 21 upward sliding of upper boom so that the after-poppet 2 after folding is whole
Length reduces and does not need twice-folded, reduces the volume of the children trolley after folding, and folding convenient.
Embodiment 2
Fig. 9-13 shows another children trolley of the present invention, the difference of the children trolley and the children trolley in embodiment 1
It is only that side stand 101, front component 200, wheel assembly 300 and lateral frame 102 are the same as embodiment 1.
With reference to shown in Fig. 9-13, each side stand 101 respectively includes push handle component, after-poppet 32, link assembly, fore-stock
36, seat bar 38 and bar 39, wherein after-poppet 32, fore-stock 36 and seat bar 38 are the same as embodiment 1.Push handle component includes handle
31 and handle upper connecting rod 37, the upper end of handle upper connecting rod 37 be rotatably connected at the lower end of handle 31, and 31 He of handle
Locking mechanism is equipped between handle upper connecting rod 37.After-poppet 32 includes upper boom 321 and lower beam 322, and lower beam 322 can be along upper boom 321
Extending direction be slidably inserted in upper boom 321.The upper end of fore-stock 36 and the lower end of handle upper connecting rod 37 respectively can
It is rotationally connected with the upper end of upper boom 321.Seat bar 38 is rotatably connected on fore-stock 36, and bar 39 rotationally connects
It is connected in handle upper connecting rod 37.Link assembly includes drive link 33, upper boom connecting rod 34 and lower beam connecting rod 35, link assembly base
This is with embodiment 1, and difference lies in the rear end that the upper end of drive link 33 is rotatably connected at bar 39, drive links
33 drive overturning by the handle upper connecting rod 37 of 31 component of handle by bar 39.Link assembly further includes slideably being sheathed on
Sliding sleeve 341 on upper boom connecting rod 34, the lower end of drive link 33, the front end of lower beam connecting rod 35 rotate with sliding sleeve 341
Connection.
When the children trolley is when folding, the locking between releasing handle 31 and handle upper connecting rod 37 is pressed downward handle 31,
So that 31 lower end of handle is rearwardly and down overturn, handle upper connecting rod 37 rotates therewith, to which bar 39 drives drive link
33 overturn so that sliding sleeve 341 is along 34 forward slip of upper boom connecting rod, and lower beam connecting rod 35 moves forward therewith, to drive lower beam 322
It slides into upper boom 321, while fore-stock 36 leans under the action of upper boom connecting rod 34 and seat bar 38 to the upper boom 321 of after-poppet 32
Hold together.Until folding into state as shown in fig. 13 that, the upper end of the handle 31 of each side stand 101, is driven at the rear end of bar 39
The lower end and the upper end of upper boom 321 of dynamic connecting rod 33, the front end of upper boom connecting rod 34, seat bar 38 rear end mutually draw close,
The lower end of handle 31, the lower end of the upper end of drive link 33 and upper boom 321, fore-stock 36 lower end mutually draw close,
The lower beam 322 of after-poppet 32 is contracted in upper boom 321.
Embodiment 3
Figure 14-18 shows that another children trolley of the present invention, the children trolley with embodiment 2, differ only in substantially：Side
Holder 101 further includes handle lower link 30, and the upper end of handle lower link 30 is rotatably connected at the lower end of handle 31, pushes away
The lower end of lower link 30 is rotatably connected at upper boom 321；In addition, the upper end of handle upper connecting rod 37 is rotatably coupled
In the lower part of handle 31, and the two junction is located at the top of handle 31 and the junction of handle lower link 30, in handle
31, four-bar mechanism, and handle 31 and handle upper connecting rod are constituted between handle lower link 30, upper boom 321 and handle upper connecting rod 37
Locking mechanism such as embodiment 2 is not set between 37.
In the present embodiment, when vehicle frame is in unfolded state, the extending direction of handle lower link 30 preferably with drive link 33
Extending direction it is consistent.
It should be noted that：In other embodiments, handle lower link 30 and drive link 33 are the same rod piece, i.e.,
The rod piece is rotatablely arranged on upper boom 321, and thereon end, lower end respectively with the lower end of handle 31,341 phase of sliding sleeve
Rotation connection, and the rear end of bar 39 is rotatably connected on rod piece.
The above embodiments merely illustrate the technical concept and features of the present invention, is preferred embodiment, its object is to
Person skilled in the art cans understand the content of the present invention and implement it accordingly, and the protection model of the present invention can not be limited with this
It encloses.It is all according to equivalent transformation made by the present invention or modification, should be covered by the protection scope of the present invention.
Claims (12)
- Include vehicle frame with unfolded state and folded state, set on the front wheels of the bottom of frame 1. a kind of children trolley Part and wheel assembly, the vehicle frame include two or more side stands and the horizontal branch that is connected between the side stand Frame；Each side stand respectively includes push handle component and after-poppet, it is characterised in that：The after-poppet includes upper boom and lower beam, and the upper boom and the lower beam opposite can be slidably connected, the wheel assembly Set on the lower end of the lower beam；Each side stand is respectively further comprised for driving the relatively described upper boom of the lower beam when the push handle component acts The link assembly of sliding；When the vehicle frame is converted from unfolded state to folded state, the lower beam is slided along the extending direction of the upper boom, institute The length for stating after-poppet shortens.
- 2. children trolley according to claim 1, which is characterized in that the link assembly includes：Drive link is driven by the push handle component during vehicle frame folding and is rotated；Upper boom connecting rod, thereafter end be rotatably connected at the upper boom；AndLower beam connecting rod, thereafter end be rotatably connected at the lower beam；Wherein, the front end of the lower beam connecting rod is rotationally and slidably connected to the upper boom connecting rod, the drive link Lower end be rotatably connected at the lower beam connecting rod, when the vehicle frame is in unfolded state, the lower beam connecting rod it is described Front end is connected at the first position of the upper boom connecting rod；When the vehicle frame is in folded state, the institute of the lower beam connecting rod The second place that front end is connected to the upper boom connecting rod is stated, the second position is located at the front of the first position.
- 3. children trolley according to claim 2, which is characterized in that the link assembly further includes being slidably connected to The sliding part of the upper boom connecting rod, the lower end of the drive link, the front end of the lower beam connecting rod and the sliding part phase Rotation connection.
- 4. children trolley according to claim 3, which is characterized in that the sliding part is slideably to be sheathed on described Sliding sleeve on bar connecting rod.
- 5. children trolley according to claim 3, which is characterized in that the push handle component, which includes handle and upper end, to be turned It is connected to the handle upper connecting rod of the handle lower part dynamicly, the upper end of the drive link is rotatably connected at the handle Lower end, the side stand further includes that lower end is provided with the fore-stock of the front component and is rotatably connected at described The seat bar of fore-stock；The upper end three of the upper end of the fore-stock, the lower end of the handle upper connecting rod and the upper boom Connect or rotate coaxially in relative rotation two-by-two connection；The drive link is rotatably connected at the upper boom；The upper boom The front of connecting rod is rotatably connected at the seat bar；When the vehicle frame is in folded state, the lower end of the fore-stock and The lower end of the lower beam, the handle lower end mutually draw close, the upper end of the fore-stock, the upper boom upper end It is mutually drawn close with the upper end of the handle.
- 6. children trolley according to claim 3, it is characterised in that：The push handle component, which includes handle and upper end, to be turned It is connected to the handle upper connecting rod of the lower part of the handle dynamicly, the side stand further includes that lower end is provided with the front component Fore-stock, be rotatably connected at the seat bar of the fore-stock and be rotatably connected at the handrail of the handle upper connecting rod Bar；The upper end three of the upper end of the fore-stock, the lower end of the handle upper connecting rod and the upper boom is opposite two-by-two to be turned Connect or rotate coaxially dynamicly connection；The drive link is rotatably connected at the upper end of the upper boom and the drive link Portion is rotatably connected at the bar；The front of the upper boom connecting rod is rotatably connected at the seat bar；When the vehicle Frame in folded state, the lower end of the lower end of the fore-stock and the lower beam, the handle lower end mutually draw close, The upper end of the upper end of the fore-stock, the upper end of the upper boom and the handle is mutually drawn close.
- 7. children trolley according to claim 6, it is characterised in that：The side stand further includes that upper end rotationally connects Be connected to the handle lower link of the lower end of the handle, the lower end of the handle lower link be rotatably connected at it is described under Bar.
- 8. children trolley according to claim 7, it is characterised in that：When the vehicle frame is in unfolded state, the handle The center line of lower link and the center line of the drive link overlap.
- 9. according to claim 5-8 any one of them children trolleys, which is characterized in that the lateral frame includes preceding cross group Part and rear cross support component；The preceding cross support component includes the first connecting rod of two rotated by pivot connection by intersection composition decussate textures, The upper end of each first connecting rod is rotatably connected at the rear end of the seat bar of two side stands and/or described respectively The front end of upper boom connecting rod, the lower end of each first connecting rod are rotatably connected at the preceding branch of two side stands respectively The lower end of frame；Cross support component includes the second connecting rod of two rotated by pivot connection by intersection composition decussate textures after described, The upper end of each second connecting rod is rotatably connected at the sliding parts of two side stands, the handle connecting rod respectively Lower end and at least one of the front end of the upper boom connecting rod, the lower end of each second connecting rod rotationally connect respectively It is connected to the lower end of the upper boom of two side stands.
- 10. children trolley according to claim 1, which is characterized in that the extending direction one of the upper boom and the lower beam It causes, the lower beam can be slidably connected to the upper boom along the extending direction of the upper boom.
- 11. children trolley according to claim 10, which is characterized in that the lower beam can be along the extending direction of the upper boom It is slidably inserted in the upper boom.
- 12. children trolley according to claim 11, which is characterized in that the upper end of the lower beam, which is formed with, is plugged in institute The end plug in upper boom is stated, the link assembly is pivotally connected to the end plug by third, is extended along on the wall of the upper boom Direction offers the sliding slot slided for the third pivot, and the third pivot is slideably threaded through in the sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720502.XA CN108773408A (en) | 2018-07-02 | 2018-07-02 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720502.XA CN108773408A (en) | 2018-07-02 | 2018-07-02 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108773408A true CN108773408A (en) | 2018-11-09 |
Family
ID=64029705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810720502.XA Pending CN108773408A (en) | 2018-07-02 | 2018-07-02 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108773408A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109572792A (en) * | 2019-01-22 | 2019-04-05 | 江苏小小恐龙儿童用品集团有限公司 | A kind of collapsible stroller vehicle frame |
| CN110001733A (en) * | 2019-03-04 | 2019-07-12 | 好孩子儿童用品有限公司 | Stroller |
| CN111391908A (en) * | 2020-01-22 | 2020-07-10 | 好孩子儿童用品有限公司 | Children's barrow |
| CN112455524A (en) * | 2020-12-18 | 2021-03-09 | 昆山威凯儿童用品有限公司 | Folding baby carriage |
| CN115071803A (en) * | 2022-08-16 | 2022-09-20 | 好孩子儿童用品有限公司 | Children's barrow |
| CN115158435A (en) * | 2022-06-13 | 2022-10-11 | 好孩子儿童用品有限公司 | Children's barrow |
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