CN104290793B - Bidirectional folding stroller - Google Patents
Bidirectional folding stroller Download PDFInfo
- Publication number
- CN104290793B CN104290793B CN201410421475.8A CN201410421475A CN104290793B CN 104290793 B CN104290793 B CN 104290793B CN 201410421475 A CN201410421475 A CN 201410421475A CN 104290793 B CN104290793 B CN 104290793B
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- wheel support
- bar
- connecting rod
- push rod
- pivot
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Abstract
The invention relates to a bidirectional folding stroller which comprises side supports on the two sides, a cross supporting frame and locking pieces. The locking pieces are used for locking a stroller frame in an unfolded state. Each side support comprises a front wheel support, a rear wheel support, a push rod and a seat rod extending in the front-and-back direction, the cross supporting frame is formed by rotatably connecting a first connecting rod and a second connecting rod in the middle, the upper ends of the rear wheel supports and the upper portions of the push rods are in rotating connection, the lower portions of the push rods can slide in the length extending direction of the front wheel supports and are arranged on the front wheel supports, the middles of the seat rods are in rotating connection with the front wheel supports, the rear ends of the seat rods are in rotating connection with the rear wheel supports, the upper end of the first connecting rod and the upper end of the second connecting rod are in rotating connection with the front ends of the seat rods on the two sides respectively, and the lower end of the first connecting rod and the lower end of the second connecting rod are in rotating connection with the lower portions of the front wheel supports on the two sides. The bidirectional folding stroller is simple, compact stable, and light in structure, convenient to fold, and small in folding size and can stand by itself after being folded.
Description
Technical field
The present invention relates to a kind of bi-directional folded children trolley.
Background technology
Folding children's/bi-directional folded children trolley mainly passes through the go-cart car that setting has open mode and folded state
Frame is realizing.In order to realize fold function, composition stroller frame critical piece for example front-wheel support, rear wheel support, cushion rod,
Mutually rotate connect setting between the parts such as pulling handle rod, and specific structure design is then varied.Design is convenient to be folded, rolls over
Target that person pursued that the children trolley of folded small volume and low cost is cart design, is also to make go-cart product have market simultaneously
The key of competitiveness.
Content of the invention
The technical problem to be solved is to provide a kind of folding operation simple, standing up after folding and small volume
Bi-directional folded children trolley.
For solving above technical problem, the present invention adopts the following technical scheme that
A kind of bi-directional folded children trolley, including have the trolley rack of deployed condition and folded state, front component and after
Wheel assembly, trolley rack includes the side stand positioned at both sides, the cross support between two side stands and is locked in trolley rack
The locking piece of deployed condition, side stand includes that bottom is provided with the front-wheel support of described front component, bottom is provided with wheel assembly
Rear wheel support, push rod, the seat bar extending along the longitudinal direction, cross support is rotated even at middle part by first connecting rod and second connecting rod
Connect composition it is characterised in that: the upper end of rear wheel support is rotated with the top of push rod and is connected, and the bottom of push rod can be along front-wheel
The length bearing of trend of support is slidably arranged on front-wheel support, and the rearward end of seat bar is rotated with rear wheel support and is connected, and first
Connecting rod, the upper end of second connecting rod are rotated with the leading section of the seat bar of both sides respectively and are connected, first connecting rod, the lower end of second connecting rod
Portion is connected with the lower rotational of the front-wheel support of both sides respectively, and described seat bar is also rotated with described front-wheel support and is connected.
Further, described push rod and one of two parts of front-wheel support part have hollow lumen, another portion
Part slidably can be plugged in described hollow lumen along its length direction.According to a concrete and preferred aspect, described front-wheel
Support has a hollow lumen, in the hollow lumen that the bottom of push rod is slidably plugged in front-wheel support along its length direction.
Further, described trolley rack also includes handrail, and handrail is set in push rod and front-wheel support two by connection sleeve pipe
It is provided with the part of hollow lumen in individual part.
Further, described trolley rack also includes being located at the back support bar of go-cart both sides, the bottom pivot of back support bar respectively
Connect on present bar.
Preferably, described locking piece is arranged between push rod and front-wheel support and is used for relative to push rod and front-wheel support lock
Fixed, go-cart also includes the unlock piece for being unlocked to locking piece.Locking piece is generally specifically located on front-wheel support, unblock
Part may be provided at front-wheel support outside part on, by the linkage setting of hauling rope and locking piece.Unlock piece can be for for example solving
Lock handle.In a detailed embodiment, unlock piece is arranged on rear wheel support.
Further, front-wheel support includes front-wheel support main body and is fixedly installed in front-wheel support main body and along front and back
To the fixture extending, front component is arranged on the bottom of front-wheel support main body, is arranged on front-wheel the lower slide of push rod and props up
On frame body；The rear portion of fixture is rotated with seat bar and is connected and rotates the rear that junction is located at front-wheel support main body.
Further, described push rod, rear wheel support are rotated connection by the first pivot, and seat bar, front-wheel support pass through the
Two pivots rotate connection, and seat bar, rear wheel support pivot connection by the 3rd, and first connecting rod, second connecting rod and seat bar divide
The 4th Tong Guo not pivot connection, first connecting rod, second connecting rod are pivoted by the 5th respectively with front-wheel support and be connected,
One pivot, the second pivot, the 3rd pivot axis parallel setting, and all horizontal-extending along the left and right directions of go-cart, the 4th pivot, Wushu
The axis direction of axle is perpendicular to cross support place plane.
Preferably, described trolley rack also includes the back brace bar assembly being arranged between the rear wheel support of both sides.Back brace bar assembly
Setting on the one hand further enhancing the stability of vehicle frame, on the other hand, back brace bar assembly serves the lock to two side stands
It is set for using, prevent vehicle frame folding.
Specifically, the vertical connecting rod that back brace bar assembly includes after go-cart middle part, vertically extends, from top to bottom according to
The secondary upper connecting base being arranged on vertical connecting rod, middle connecting seat and lower connecting base, inner end two sides relative with upper connecting base respectively
Rotate the first cross bar connecting and the second cross bar, inner end rotates, relative to two sides, the 3rd cross bar connecting with lower connecting base respectively
With the 4th cross bar, upper end rotates the first brace connecting and the second brace, the first horizontal stroke with middle connecting seat relative to two sides respectively
Bar, the second cross bar, the 3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end all with homonymy described trailing wheel
Support rotates connection, and the bottom of the first brace and the second brace rotates and is connected with the 3rd cross bar and the 4th cross bar respectively.
Preferably, solution lock handle is connected with lower connecting base.
Preferably, when trolley rack is in deployed condition, front-wheel support and push rod extend along same length direction, and front-wheel props up
Triangle structure between frame and push rod, rear wheel support, seat bar.
Preferably, the side stand of both sides is symmetrical arranged.
Due to the enforcement of above technical scheme, the present invention compared with prior art has the advantage that
Present configuration is succinct, compact, stable, light, simple to operate, folding convenient, folding volume little and fold after can
Support oneself it is easy to using and carrying, deposit.
Brief description
The present invention will be further described in detail with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the schematic perspective view (deployed condition) of the children trolley according to the present invention；
Fig. 2 is the schematic front view (deployed condition) of the children trolley according to the present invention；
Fig. 3 is the schematic side view (deployed condition) of the children trolley according to the present invention；
Fig. 4 is the schematic side view (folded state) of the children trolley according to the present invention；
Wherein: 1, front component；2nd, wheel assembly；3rd, side stand；30th, front-wheel support main body；31st, rear wheel support；32nd, push away
Bar；33rd, seat bar；34th, back support bar；35th, fixture；4th, cross support；40th, first connecting rod；42nd, second connecting rod；5th, rear pole group
Part；50th, vertical connecting rod；51st, upper connecting base；52nd, middle connecting seat；53rd, lower connecting base；54th, the first cross bar；55th, the second cross bar；56、
3rd cross bar；57th, the 4th cross bar；57th, the first brace；58th, the second brace；6th, handrail；7th, tent frame；8th, locking piece；9th, unblock is drawn
Handss；10th, hauling rope；11st, solve lock handle；A, the first pivot；B, the second pivot；C, the 3rd pivot；D, the 5th pivot；E, the 6th pivot
Axle.
Specific embodiment
As shown in Figures 1 to 4, the bi-directional folded children trolley of this example include having deployed condition and folded state trolley rack,
Front component 1 and wheel assembly 2.
Trolley rack includes positioned at both sides and symmetrically arranged side stand 3 and the cross support being arranged between two side stands 3
4th, back brace bar assembly 5, handrail 6 and tent frame 7.Cross support 4 is rotated connection at middle part by first connecting rod 40 and second connecting rod 41
Constitute.
Side stand 3 includes front-wheel support, bottom is provided with the rear wheel support 31 of wheel assembly 2, push rod 32, prolong along the longitudinal direction
The seat bar 33 stretched, back support bar 34.Front-wheel support includes bottom and is provided with the front-wheel support main body 30 of front component 1 and is fixedly installed on
The fixture 35 extending in front-wheel support main body 30 and along the longitudinal direction.Front-wheel support main body 30 has hollow lumen, push rod 32
Bottom be slidably plugged in the hollow lumen of front-wheel support main body 30 along its length direction.Handrail 6 passes through connection sleeve pipe
Regularly it is set in front-wheel support main body 30.Tent frame 7 is fixedly mounted on the top of push rod 32 by paulin seat.In front-wheel support master
It is provided with the locking piece 8 for relatively locking the two between body 30 and push rod 32, unblock handle 9 is provided with rear wheel support 31,
This unblock handle 9 and locking piece 8 pass through hauling rope 10 linkage setting, and operation unblock handle 9 can make locking piece 8 unlock.Push rod 32
Top rotated by the first pivot a with the upper end of rear wheel support 31 and be connected, the approximate mid-section of seat bar 33 and fixture 35
Rearward end by the second pivot b rotate connect and rotate junction be located at front-wheel support main body 30 rear, seat bar 33
Rearward end is rotated by the 3rd pivot c with rear wheel support 31 and is connected, and the leading section of the seat bar 33 of both sides passes through the 4th pivot respectively
Axle is rotated with the upper end of first connecting rod 40 and second connecting rod 41 and is connected, and the bottom of first connecting rod 40 and second connecting rod 41 is then
Rotated with the front-wheel support main body 30 of both sides by the 5th pivot d respectively and be connected, the one end of back support bar 34 and seat bar 33
Rear portion is passed through the 6th pivot e and is rotated connection.First pivot a, the second pivot b, the 3rd pivot c, the 6th pivot e be arranged in parallel, and
All horizontal-extending along the left and right directions of go-cart, the 4th pivot, the axis direction of the 5th pivot d are located flat perpendicular to cross support 4
Face.As shown in figure 3, when trolley rack is in deployed condition, front-wheel support main body 30 is extended along same length direction with push rod 32,
Triangle structure between front-wheel support main body 30 and push rod 32, rear wheel support 31, seat bar 33.
Back brace bar assembly 5 is conventional structure, specifically includes middle part, the vertical connecting rod vertically extending after go-cart
50, it is successively set on upper connecting base 51 on vertical connecting rod 50, middle connecting seat 52 and lower connecting base 53 from top to bottom, inner end is respectively
With upper connecting base 51 relative to two sides rotate connect the first cross bar 54 and the second cross bar 55, inner end respectively with lower connecting base 53
Relative to two sides rotate connect the 3rd cross bar 56 and the 4th cross bar 57, upper end is turned with relative two sides of middle connecting seat 52 respectively
The first brace 58 being dynamically connected and the second brace 59, the first cross bar 54, the second cross bar 55, the 3rd cross bar 56 and the 4th cross bar 57
All it is horizontally disposed with, and their outer end is all rotated with the rear wheel support 31 of homonymy and is connected, the first brace 58 and the second brace
59 bottom rotates and is connected with the 3rd cross bar 56 and the 4th cross bar 57 respectively.Solution lock handle is connected with lower connecting base 53
11.
Three turning points are passed through in this example go-cart and a sliding bar is realized folding, and folding process is as follows: operation solution lock handle 11,
Back brace bar assembly 5 is made to unlock, operation unblock handle 9, so that locking piece 8 is unlocked by hauling rope 10, now, lift handrail 6 upwards
Draw, the bottom of push rod 32 along front-wheel support length direction in front-wheel support slide downward, drive rear wheel support 31 with respect to
Push rod 32 rotates and gradually wheel support is drawn close forward, drives the rear portion opposing rear wheels support 31 of seat bar 33 to rotate and seat bar 33 simultaneously
Middle part rotate with respect to fixture 35, the front portion making a bar 33 is turned over and wheel support 31 is drawn close backward backwards, seat bar 33 turns over
Drive cross support 4 and back brace bar assembly 5 to shrink again, make go-cart cross-direction shrinkage, both sides side stand 3 is drawn close.Go-cart after folding
As shown in figure 4, mutually drawing close between front-wheel support, push rod 32, rear wheel support 31, seat bar 33 draws in and props up in front-wheel support and trailing wheel
Between frame 31, compact conformation, small volume.
In the trolley rack of above-described embodiment, may be alternatively provided as push rod 32 and there is hollow lumen, and front-wheel support main body 30
Top slidably can be plugged in the hollow lumen of push rod 32 along its length direction, simultaneously by handrail 6 on push rod 32, this
Equally can achieve folding same as the previously described embodiments and spreading principle.
As described above, cart structure of the present invention is succinct, compact, stable, light, simple to operate, folding convenient, folding volume
Little and standing up after folding it is easy to using and carry, deposit.
Above the present invention is described in detail, its object is to allow the personage being familiar with this art will appreciate that this
The content of invention is simultaneously carried out, and can not be limited the scope of the invention with this, all spirit institutes according to the present invention
The equivalence changes made or modification, all should cover within the scope of the present invention.
Claims (9)
1. a kind of bi-directional folded children trolley, including trolley rack, front component and the trailing wheel with deployed condition and folded state
Assembly, described trolley rack includes the side stand positioned at both sides, the cross support between two side stands and locks trolley rack
In the locking piece of deployed condition, described side stand include bottom be provided with the front-wheel support of described front component, bottom be provided with described
The rear wheel support of wheel assembly, push rod, the seat bar extending along the longitudinal direction, described cross support is by first connecting rod and second connecting rod
Middle part rotate connect and compose it is characterised in that: the upper end of described rear wheel support is rotated with the top of described push rod
Connect, the bottom of described push rod can be slidably arranged in described front-wheel support along the length bearing of trend of described front-wheel support
On, the rearward end of described seat bar is rotated with described rear wheel support and is connected, described first connecting rod, the upper end difference of second connecting rod
Rotate with the leading section of the seat bar of both sides and be connected, described first connecting rod, the bottom of second connecting rod are propped up with the front-wheel of both sides respectively
The lower rotational of frame connects, and described seat bar is also rotated with described front-wheel support and is connected,
Described front-wheel support includes front-wheel support main body and is fixedly installed in described front-wheel support main body and along the longitudinal direction
The fixture extending, described front component is arranged on the bottom of described front-wheel support main body, the lower slide ground of described push rod
It is arranged in described front-wheel support main body；The rear portion of described fixture rotates to be connected and rotate junction with described seat bar and is located at
The rear of described front-wheel support main body.
2. bi-directional folded children trolley according to claim 1 it is characterised in that: described push rod and described front-wheel support two
One of individual part part has hollow lumen, and another part can slidably be plugged in described hollow along its length direction
In tube chamber.
3. bi-directional folded children trolley according to claim 2 it is characterised in that: described front-wheel support has hollow pipe
Chamber, the bottom of described push rod is slidably plugged in the hollow lumen of described front-wheel support along its length direction.
4. bi-directional folded children trolley according to claim 2 it is characterised in that: described trolley rack also include handrail and
It is located at the back support bar of go-cart both sides respectively, described handrail is set in described push rod and two parts of front-wheel support by connection sleeve pipe
In be provided with the part of hollow lumen, the bottom of described back support bar is pivotally connected on described seat bar.
5. bi-directional folded children trolley according to claim 1 it is characterised in that: described locking piece is arranged on described push rod
It is used for relative to described push rod and front-wheel support locking between described front-wheel support, described go-cart is also included for described
The unlock piece that locking piece is unlocked, this unlock piece be arranged on described front-wheel support outside part on, by hauling rope and institute
State locking piece linkage setting.
6. bi-directional folded children trolley according to claim 1 it is characterised in that: described push rod, described rear wheel support lead to
Cross the first pivot to rotate connection, described seat bar, described front-wheel support are rotated connection by the second pivot, described seat bar, institute
State rear wheel support and pivot connection by the 3rd, described first connecting rod, second connecting rod and described seat bar pass through the 4th pivot respectively
Axle rotates and connects, and described first connecting rod, second connecting rod are pivoted by the 5th respectively with front-wheel support and be connected, described first pivot
Axle, the second pivot, the 3rd pivot axis parallel setting, and all horizontal-extending along the left and right directions of go-cart, described 4th pivot, Wushu
The axis direction of axle is perpendicular to cross support place plane.
7. bi-directional folded children trolley according to claim 1 it is characterised in that: described trolley rack also includes being arranged on two
Back brace bar assembly between the rear wheel support of side.
8. bi-directional folded children trolley according to claim 7 it is characterised in that: described back brace bar assembly includes being located at
Middle part, the vertical connecting rod that vertically extends after go-cart, be successively set on from top to bottom upper connecting base on described vertical connecting rod, in
Connecting seat and lower connecting base, inner end rotates the first cross bar connecting and the second horizontal stroke with described upper connecting base relative to two sides respectively
Bar, inner end rotates the 3rd cross bar connecting and the 4th cross bar with described lower connecting base relative to two sides respectively, and upper end is respectively
Rotate the first brace connecting and the second brace with described middle connecting seat relative to two sides, described the first cross bar, the second cross bar,
3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end is all rotated with homonymy described rear wheel support even
Connect, the bottom of the first described brace and the second brace rotates and is connected with the 3rd described cross bar and the 4th cross bar respectively.
9. bi-directional folded children trolley according to claim 1 it is characterised in that: when trolley rack is in deployed condition,
Described front-wheel support and described push rod extend along same length direction, described front-wheel support and described push rod, described rear wheel support,
Triangle structure between described seat bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421475.8A CN104290793B (en) | 2014-08-25 | 2014-08-25 | Bidirectional folding stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421475.8A CN104290793B (en) | 2014-08-25 | 2014-08-25 | Bidirectional folding stroller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290793A CN104290793A (en) | 2015-01-21 |
| CN104290793B true CN104290793B (en) | 2017-01-25 |
Family
ID=52310809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421475.8A Active CN104290793B (en) | 2014-08-25 | 2014-08-25 | Bidirectional folding stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104290793B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670291B (en) * | 2015-03-04 | 2017-10-10 | 好孩子儿童用品有限公司 | Children trolley |
| CN106882217B (en) * | 2017-02-24 | 2023-11-24 | 好孩子儿童用品有限公司 | Child cart |
| CN107458447B (en) * | 2017-08-06 | 2024-02-06 | 昆山曼禾儿童用品设计有限公司 | Bidirectional folding baby stroller frame |
| CN112429070A (en) * | 2020-12-07 | 2021-03-02 | 东莞金旺儿童用品有限公司 | Children's barrow frame |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES227893Y (en) * | 1977-03-31 | 1977-12-16 | IMPROVED FOLDING CHILDREN'S CAR-SEAT. | |
| US5221106A (en) * | 1992-04-23 | 1993-06-22 | Louis Shamie | Tandem seat umbrella stroller |
| US8167332B2 (en) * | 2010-08-26 | 2012-05-01 | Sentiment Industries Ltd. | Folding stroller |
| CN202923695U (en) * | 2012-11-06 | 2013-05-08 | 昆山易仕宝儿童用品有限公司 | Self-standing foldable frame of baby carrier |
| CN103802876A (en) * | 2012-11-06 | 2014-05-21 | 昆山易仕宝儿童用品有限公司 | Self-standing foldable baby carriage frame |
| CN203032732U (en) * | 2012-12-31 | 2013-07-03 | 好孩子儿童用品有限公司 | Stroller for infants |
| CN103434555B (en) * | 2013-08-07 | 2016-12-28 | 好孩子儿童用品有限公司 | A kind of Folding trolley |
| CN203528548U (en) * | 2013-08-07 | 2014-04-09 | 好孩子儿童用品有限公司 | Foldable carriage |
| CN203637901U (en) * | 2013-11-26 | 2014-06-11 | 中山市盛加塑料制品有限公司 | Integrally-interlocked foldable baby carrier |
| CN203727444U (en) * | 2014-03-12 | 2014-07-23 | 区广铨 | Standing foldable three wheeled cart for children |
| CN204055905U (en) * | 2014-08-25 | 2014-12-31 | 好孩子儿童用品有限公司 | A kind of bi-directional folded children trolley |
-
2014
- 2014-08-25 CN CN201410421475.8A patent/CN104290793B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104290793A (en) | 2015-01-21 |
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