CN109278838A - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN109278838A CN109278838A CN201811299326.3A CN201811299326A CN109278838A CN 109278838 A CN109278838 A CN 109278838A CN 201811299326 A CN201811299326 A CN 201811299326A CN 109278838 A CN109278838 A CN 109278838A
- Authority
- CN
- China
- Prior art keywords
- frame
- rod
- push
- wheel support
- pivotally connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a kind of children trolleys, its stroller frame includes the front-wheel support respectively vertically extended, rear wheel support and push-rod frame, the top of front-wheel support, the top of rear wheel support and the two rotation connection in this three of the lower part of push-rod frame, and one of the third party and aforementioned the two rotation connection, or this above-mentioned three is pivotally connected together, stroller frame further includes the preceding connection frame being pivotally connected on front-wheel support, and the rear connecting frame and seat frame respectively extended along the longitudinal direction, the back pivot of seat frame is connected on push-rod frame, the one end of preceding connection frame and the front of seat bridge are pivotally connected, the other end of preceding connection frame and the front of rear connecting frame are pivotally connected, the back pivot of rear connecting frame is connected on rear wheel support.Each rod piece can be collapsed closely in folded stroller frame, and more regular shape is presented, small volume, bring great convenience for the daily carrying and storage of user.
Description
Technical field
The present invention relates to a kind of children trolleys.
Background technique
Children trolley carries infant's trip for user in daily life and plays an important role, and has become at present
Indispensable one of articles for children in virgin developmental process.In the prior art, the structure of children trolley is varied, each rod piece
Connection relationship is also different, the bearing stability of cart, the mode for installing seat, vehicle frame folding mode and folding principle
Different, folded form and volume are also different.How to make children trolley on the basis with good load
On, it is always those skilled in the art that the structure of rod piece is simpler, folding operation is more convenient and folded volume is smaller
The target persistently pursued.
Summary of the invention
The object of the present invention is to provide a kind of new structural children trolleys.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of children trolley, including with unfolded state with
The stroller frame of folded state, the wheel assembly set on the stroller frame bottom, and for the stroller frame to be locked in
Locking mechanism under unfolded state, the stroller frame include the front-wheel support respectively vertically extended, rear wheel support and
Push-rod frame, the two in the top of the front-wheel support, the top of the rear wheel support and this three of the lower part of the push-rod frame
Rotation connection, and one of the third party and aforementioned the two rotation connection or this above-mentioned three are pivotally connected together,
The stroller frame further includes the preceding connection frame being pivotally connected on the front-wheel support, and is respectively prolonged along the longitudinal direction
The rear connecting frame and seat frame stretched, the back pivot of the seat frame are connected on the push-rod frame, and the one of the preceding connection frame
End and the front of the seat frame are pivotally connected, the other end of the preceding connection frame and the front pivot of the rear connecting frame
Connection, the back pivot of the rear connecting frame are connected on the rear wheel support.
Preferably, the front-wheel support includes two front support rods for being divided into the left and right sides, and the rear wheel support includes point
Two back stays set on the left and right sides, the push-rod frame include two push rods for being divided into the left and right sides, the stroller frame
Each side in left and right on, between the top of the front support rod and the lower part of the push rod pass through first axle be pivotally connected, it is described after branch
The top of bar is pivotally connected in the top of the front support rod, the axial line phase of the first axle and second axis by the second axis
Mutually it is set in parallel.
Further, the front support rod includes the main body bar portion for tilting extension upwards from front to back, from the main body bar portion
Top backward and tilt down the connection bar portion of extension, the lower part of the top of the back stay and the connection bar portion passes through institute
State the pivot connection of the second axis.
Further, the locking mechanism includes the lock between the top of the front support rod and the lower part of the push rod
Determine joint, the push rod includes along its length can be with respect to the lower push-rod and upper push-rod of folding, and for above pushing away described
The push rod locking piece of bar locking opposite with lower push-rod, the push rod locking piece are arranged with locking joint linkage of unlocking.
Further, the seat frame includes the two seat bars for being divided into the left and right sides and extending along the longitudinal direction, institute
The rear portion for stating a bar is pivotally connected on the push rod by third axis, and the third axis is located at described first on the push rod
The top of axis.
Further, the rear connecting frame includes connecting after being divided into the left and right sides and extend along the longitudinal direction two
The rear portion of bar, the back link is pivotally connected on the ipsilateral back stay by the 4th axis, and the 4th axis is after described
It is located at the lower section of second axis on strut.
Preferably, the preceding connection frame includes two front rods for being divided into the left and right sides, and the stroller frame further includes
In the U-shaped arm-rest frame that is open, the two sides rear portion of the arm-rest frame is connected to the top of front rod described in two sides.
Further, the front rod is pivotally connected on the front-wheel support by rotation axis, and the front support rod is at least
With the preceding bar portion being located on front side of the rotation axis, the arm-rest frame at least has the side lever portion for being divided into the left and right sides, described
The rear portion in side lever portion is fixedly attached to the top of the preceding bar portion, and the side lever portion and the preceding bar portion are along same length side
To extension.
Preferably, when the stroller frame is in folded state, the push-rod frame is collapsed in the front side of the front-wheel support,
The rear wheel support is collapsed in the rear side of the front-wheel support, the seat frame and the gathering of preceding connection frame in the push-rod frame, preceding
Between wheel support and rear wheel support.
Preferably, the wheel assembly includes set on the front-wheel of the front-wheel support bottom and set on the rear wheel support bottom
Rear-wheel, when the stroller frame is in folded state, the rear wheel support is collapsed in the rear side of the front-wheel support, described
Rear-wheel is collapsed in the top of the front-wheel.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: children of the invention
Cart only includes front-wheel support, rear wheel support, push-rod frame, seat frame, preceding connection frame and rear connecting frame in stroller frame, pushes away
Structure under vehicle carriage unfolded state is very succinct, has good bearing stability；Operation is also very convenient when folding, folds
Each rod piece can be collapsed closely in stroller frame afterwards, and more regular shape is presented, small volume, be user's
Daily carrying and storage bring great convenience.
Detailed description of the invention
Attached drawing 1 is the perspective view under children trolley unfolded state of the invention；
Attached drawing 2 is the main view under children trolley unfolded state of the invention；
Attached drawing 3 is the side view under children trolley unfolded state of the invention；
Attached drawing 4 is the side view under children trolley semi-collapsed condition of the invention；
Attached drawing 5 is the side view under children trolley folded state of the invention；
Wherein: 1, front support rod；1a, main body bar portion；1b, connection bar portion；2, back stay；3, push rod；31, lower push-rod；32, it above pushes away
Bar；33, push rod locking piece；4, seat bar；5, front rod；5a, preceding bar portion；5b, rear rod portion；6, back link；7, arm-rest frame；7a, side
Bar portion；8, front rail；9, rear transverse rod；10, rotation axis；11, joint is locked；12, the second axis；13, third axis；14, the 4th axis；
20, front-wheel；30, rear-wheel.
Specific embodiment
Technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Referring to children trolley shown in Fig. 1 to 5, including with unfolded state and folded state stroller frame, be set to institute
The wheel assembly of stroller frame bottom is stated, and for the locking mechanism by stroller frame locking in the deployed state.The cart
Vehicle frame include the front-wheel support respectively vertically extended, rear wheel support, push-rod frame, be pivotally connected on front-wheel support before
Connection frame, and the rear connecting frame and seat frame that respectively extend along the longitudinal direction.
Wherein, front-wheel support includes two front support rods 1 for being divided into the left and right sides, and rear wheel support includes being divided into left and right two
Two back stays 2 of side, push-rod frame include two push rods 3 for being divided into the left and right sides, and front support rod 1, back stay 2 and push rod 3 are each
From vertically extending, on each side in the left and right of stroller frame, under the top of front support rod 1, the top of back stay 2 and push rod 3
The two rotation connection in this three of portion, and one of the third party and aforementioned the two rotation connection or above-mentioned three turn
It links together dynamicly.
Preceding connection frame include be divided into the left and right sides two front rods 5, rear connecting frame include be divided into the left and right sides and
Two back links 6 extended along the longitudinal direction, seat frame include two for being divided into the left and right sides and extending along the longitudinal direction
Root seat bar 4, on each side in the left and right of stroller frame, front rod 5 is pivotally connected on front support rod 1 by rotation axis 10, after seat bar 4
Portion is pivotally connected on push rod 3, and the front of the one end of front rod 5 and seat bar 4 is pivotally connected, the other end of front rod 5 with
The front of back link 6 is pivotally connected, and the back pivot of back link 6 is connected on back stay 2.
In the present embodiment, pass through first axle (not shown) pivot between the top of front support rod 1 and the lower part of push rod 3
Connection, the top of back stay 2 are pivotally connected in the top of front support rod 1 by the second axis 12, and above-mentioned first axle is with the second axis 12
Axial line arranged in parallel two is not coaxial.In this way, in each side in the left and right of stroller frame, front support rod 1, front rod 5, seat bar
Four-bar mechanism is constituted between 4 and push rod 3, constitutes another double leval jib between front support rod 1, back stay 2, front rod 5 and back link 6
Mechanism.Locking mechanism includes the locking joint 11 between the top of front support rod 1 and the lower part of push rod 3, and locking joint 11 is locked
Periodically, each rod piece in two above-mentioned four-bar mechanisms mutually locks and stroller frame is locked.
In the present embodiment, push rod 3 include can along its length with respect to the lower push-rod of folding 31 and upper push-rod 32, and
For by the push rod locking piece 33 of lower push-rod 31 and the opposite locking of upper push-rod 32, upper push-rod 32 rotationally to connect with lower push-rod 31 herein
It connects, push rod locking piece 33 is that push rod locks joint piece.The top of front support rod 1 is pivotally connected on lower push-rod 31 by first axle,
It locks joint 11 to be set between lower push-rod 31 and front support rod 1, which is arranged with 33 linkage of unlocking of push rod locking piece.
Referring to figs. 1 to 5, further, front support rod 1 includes the main body bar that gradually inclination extends upwards from front to back
The top of portion 1a and autonomous agent bar portion 1a backward and tilt down the connection bar portion 1b of extension, the top of back stay 2 and connection
The lower part of bar portion 1b by the second axis 12 be pivotally connected, when stroller frame be in unfolded state, connection bar portion 1b with it is ipsilateral after
Strut 2 extends along same length direction；Cradle head 11 is set to the top of connection bar portion 1b and connect with lower push-rod 32.
The rear portion of seat bar 4 is pivotally connected on lower push-rod 31 by third axis 13, which is located at the upper of first axle
Side；The rear portion of back link 6 is pivotally connected on back stay 2 by the 4th axis 14, and the 4th axis 14 is located at second on back stay 2
The lower section of axis 12.
Referring to shown in each attached drawing, stroller frame further includes in the U-shaped arm-rest frame 7 that is open, two posterior components of the arm-rest frame 7
It is not connected to the top of two sides front rod 5, and moves synchronously and participate in the folding of stroller frame with front rod 5.Specifically, preceding company
Bar 5 has the preceding bar portion 5a and rear rod portion 5b for being divided into 10 front and rear sides of rotation axis, and arm-rest frame 7, which at least has, is divided into left and right two
The side lever portion 7a of side, the top of bar portion 5a, the side lever portion 7a and the edge preceding bar portion 5a before the rear portion of side lever portion 7a is fixedly attached to
Same length direction extends.When specific setting, arm-rest frame 7 can be mounted on to the front rod of two sides by way of being detachably connected
On 5.
The stroller frame further includes more cross bars, as be set to 1 lower part of two sides front support rod between front rail 8, be set to two sides
Rear transverse rod 9 between 2 lower part of back stay, two sides back link 6 are wholely set in the U-shaped bar facing forward that is open, and two sides above push away
Bar 32 is wholely set and is in downward opening U-shaped bar.Wheel assembly includes the front-wheel 20 set on 1 bottom of front support rod, and is set to
The rear-wheel 30 of 2 bottom of back stay.
In this way, when the stroller frame is locked in unfolded state, referring to shown in Fig. 1 to Fig. 3, front support rod 1, back link 2, preceding company
Opposite between bar 5 and back link 6 to lock and be supported in ground by front-wheel 20 and rear-wheel 30, seat bar 4 is in front rod 5 and push rod 3
Between and be capable of providing stable carrying support, the stroller frame under unfolded state is simple for structure, and has good carrying energy
Power.
When folding the stroller frame, as shown in figure 4, push rod locking piece 33 unlocks linkage unlock locking joint 11, forward
And upper push-rod 32 is pushed down on, upper push-rod 32 and lower push-rod 31 gradually rotate gathering, and lower push-rod 31 is forwardly toward front support rod 1 gradually
Rotation is collapsed, and seat bar 4 and front rod 5 are rotated and gradually collapsed between lower push-rod 31 and front support rod 1；Meanwhile front rod 5 rotates
And back link 6 is driven to rotate, it is collapsed so that back stay 2 is increasingly towards the rotation of front support rod 1.Folded stroller frame is as schemed
Shown in 5, on each side in the left and right of stroller frame, upper push-rod 32, lower push-rod 31, front support rod 1 and back stay 2 are successively collapsed, seat bar 4,
Front rod 5, back stay 6 collapse between lower push-rod 31, front support rod 1 and back stay 2；Back stay 2 is collapsed in the rear side of front support rod 1
And rear-wheel 30 is collapsed in the top of front-wheel 20.The structure of folded stroller frame is very smooth, small volume.
When opening stroller frame, operator only needs to pull upper push-rod 32, can make each rod piece phase in stroller frame
Rotation is gradually opened, is operated also very convenient.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of children trolley, including with unfolded state and folded state stroller frame, be set to the stroller frame bottom
Wheel assembly, and for by stroller frame locking locking mechanism in the deployed state, it is characterised in that: the cart
Vehicle frame includes the front-wheel support, rear wheel support and push-rod frame respectively vertically extended, the top of the front-wheel support, described
The two rotation connection in the top of rear wheel support and this three of the lower part of the push-rod frame, and in the third party and aforementioned the two
One rotation connection or this above-mentioned three are pivotally connected together,
The stroller frame further includes the preceding connection frame being pivotally connected on the front-wheel support, and is respectively prolonged along the longitudinal direction
The rear connecting frame and seat frame stretched, the back pivot of the seat frame are connected on the push-rod frame, and the one of the preceding connection frame
End and the front of the seat frame are pivotally connected, the other end of the preceding connection frame and the front pivot of the rear connecting frame
Connection, the back pivot of the rear connecting frame are connected on the rear wheel support.
2. children trolley according to claim 1, it is characterised in that: the front-wheel support includes being divided into the left and right sides
Two front support rods, the rear wheel support include two back stays for being divided into the left and right sides, and the push-rod frame includes being divided into a left side
Two push rods of right two sides, on each side in the left and right of the stroller frame, the lower part of the top of the front support rod and the push rod it
Between be pivotally connected by first axle, the top of the back stay is pivotally connected in the top of the front support rod by the second axis, institute
It states first axle and the axial line of second axis is set in parallel to each other.
3. children trolley according to claim 2, it is characterised in that: the front support rod includes that inclination is prolonged upwards from front to back
The main body bar portion stretched backward and tilts down the connection bar portion of extension from the top of the main body bar portion, the back stay it is upper
Portion and the lower part of the connection bar portion are pivotally connected by second axis.
4. children trolley according to claim 2, it is characterised in that: the locking mechanism includes being set to the front support rod
Locking joint between top and the lower part of the push rod, the push rod includes along its length can be with respect to the lower push-rod of folding
With upper push-rod, and for by the push rod locking piece of upper push-rod locking opposite with lower push-rod, the push rod locking piece and institute
It is arranged with stating locking joint linkage of unlocking.
5. children trolley according to claim 2, it is characterised in that: the seat frame includes at left and right sides of being divided into and equal
The two seat bars extended along the longitudinal direction, the rear portion of the seat bar are pivotally connected on the push rod by third axis, and described
Three axis are located at the top of the first axle on the push rod.
6. children trolley according to claim 2, it is characterised in that: the rear connecting frame include be divided into the left and right sides and
Two back links extended along the longitudinal direction, the rear portion of the back link by the 4th axis be pivotally connected in it is ipsilateral it is described after
On strut, the 4th axis is located at the lower section of second axis on the back stay.
7. children trolley according to claim 1, it is characterised in that: the preceding connection frame includes being divided into the left and right sides
Two front rods, the stroller frame further include in the U-shaped arm-rest frame that is open, and the two sides rear portion of the arm-rest frame is connected to
The top of front rod described in two sides.
8. children trolley according to claim 7, it is characterised in that: the front rod is pivotally connected in institute by rotation axis
It states on front-wheel support, the front support rod at least has the preceding bar portion on front side of the rotation axis, and the arm-rest frame at least has
It is divided into the side lever portion of the left and right sides, the rear portion in the side lever portion is fixedly attached to the top of the preceding bar portion, and the side
Bar portion and the preceding bar portion extend along same length direction.
9. children trolley according to any one of claims 1 to 8, it is characterised in that: the stroller frame is in rugosity
When state, the push-rod frame is collapsed in the front side of the front-wheel support, and the rear wheel support is collapsed in the rear side of the front-wheel support,
The seat frame and preceding connection frame collapse between the push-rod frame, front-wheel support and rear wheel support.
10. children trolley according to any one of claims 1 to 8, it is characterised in that: the wheel assembly includes set on described
The front-wheel of front-wheel support bottom and rear-wheel set on the rear wheel support bottom, when the stroller frame is in folded state,
The rear wheel support is collapsed in the rear side of the front-wheel support, and the rear-wheel is collapsed in the top of the front-wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811299326.3A CN109278838B (en) | 2018-11-02 | 2018-11-02 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811299326.3A CN109278838B (en) | 2018-11-02 | 2018-11-02 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278838A true CN109278838A (en) | 2019-01-29 |
| CN109278838B CN109278838B (en) | 2024-05-10 |
Family
ID=65175173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811299326.3A Active CN109278838B (en) | 2018-11-02 | 2018-11-02 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109278838B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562058A (en) * | 2021-09-13 | 2021-10-29 | 安徽呀呀乐儿童用品有限公司 | Linkage folding baby handcart |
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| CN202806835U (en) * | 2012-08-30 | 2013-03-20 | 好孩子儿童用品有限公司 | Stroller |
| CN203864751U (en) * | 2014-04-30 | 2014-10-08 | 好孩子儿童用品有限公司 | Stroller |
| CN205554266U (en) * | 2016-03-11 | 2016-09-07 | 好孩子儿童用品有限公司 | Double baby carriage |
| WO2017107506A1 (en) * | 2015-12-24 | 2017-06-29 | 浙江晨辉婴宝儿童用品有限公司 | Baby stroller and collapsible mechanism thereof, and method of collapsing and folding baby stroller |
| CN206371761U (en) * | 2016-09-30 | 2017-08-04 | 好孩子儿童用品有限公司 | Children dinning chair |
| CN107618558A (en) * | 2017-08-29 | 2018-01-23 | 好孩子儿童用品有限公司 | Children trolley |
| CN108177679A (en) * | 2018-01-09 | 2018-06-19 | 好孩子儿童用品有限公司 | Children trolley |
| CN209479735U (en) * | 2018-11-02 | 2019-10-11 | 好孩子儿童用品有限公司 | Children trolley |
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2018
- 2018-11-02 CN CN201811299326.3A patent/CN109278838B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201703407U (en) * | 2010-04-20 | 2011-01-12 | 陈鸿凯 | Fast foldable support for baby carriage |
| CN202806835U (en) * | 2012-08-30 | 2013-03-20 | 好孩子儿童用品有限公司 | Stroller |
| CN203864751U (en) * | 2014-04-30 | 2014-10-08 | 好孩子儿童用品有限公司 | Stroller |
| WO2017107506A1 (en) * | 2015-12-24 | 2017-06-29 | 浙江晨辉婴宝儿童用品有限公司 | Baby stroller and collapsible mechanism thereof, and method of collapsing and folding baby stroller |
| CN205554266U (en) * | 2016-03-11 | 2016-09-07 | 好孩子儿童用品有限公司 | Double baby carriage |
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| CN209479735U (en) * | 2018-11-02 | 2019-10-11 | 好孩子儿童用品有限公司 | Children trolley |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562058A (en) * | 2021-09-13 | 2021-10-29 | 安徽呀呀乐儿童用品有限公司 | Linkage folding baby handcart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109278838B (en) | 2024-05-10 |
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