CN109278838A

CN109278838A - stroller

Info

Publication number: CN109278838A
Application number: CN201811299326.3A
Authority: CN
Inventors: 唐鸣; 戴鹏程; 李向华
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2019-01-29
Anticipated expiration: 2038-11-02
Also published as: CN109278838B

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

Children trolley

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

1. A stroller comprising a stroller frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the stroller frame, and a wheel assembly for locking the stroller frame in the unfolded state. The locking mechanism is characterized in that: the cart frame includes a front wheel bracket, a rear wheel bracket and a push rod bracket respectively extending in the up and down direction, the upper part of the front wheel bracket, the upper part of the rear wheel bracket and the Two of the lower part of the push rod frame are rotatably connected, and the third one is rotatably connected with one of the aforementioned two, or the aforementioned three are rotatably connected together,

The cart frame further includes a front connecting frame pivotally connected to the front wheel bracket, and a rear connecting frame and a seat frame each extending in the front-rear direction, and the rear part of the seat frame is pivotally connected to the seat frame. On the push rod frame, one end of the front connecting frame is pivotally connected to the front part of the seat frame, the other end of the front connecting frame is pivotally connected to the front part of the rear connecting frame, and the rear The rear part of the connecting frame is pivotally connected to the rear wheel bracket.

2 . The stroller according to claim 1 , wherein the front wheel bracket comprises two front struts arranged on the left and right sides respectively, and the rear wheel bracket comprises two rear support rods arranged on the left and right sides respectively. 3 . A support rod, the push rod frame includes two push rods respectively arranged on the left and right sides, on the left and right sides of the cart frame, the upper part of the front support rod and the lower part of the push rod pass through the first A shaft is pivotally connected, the upper part of the rear support rod is pivotally connected to the upper part of the front support rod through a second shaft, and the axis lines of the first shaft and the second shaft are arranged parallel to each other.

3 . The stroller according to claim 2 , wherein the front support rod comprises a main body rod extending obliquely upward from front to rear, and a main body rod extending backward and downward obliquely from the upper part of the main rod part. 4 . A connecting rod part, the upper part of the rear support rod is pivotally connected with the lower part of the connecting rod part through the second shaft.

4. The stroller of claim 2, wherein the locking mechanism comprises a locking joint disposed between the upper portion of the front support rod and the lower portion of the push rod, the push rod including a A lower push rod and an upper push rod that can be folded relative to each other in the length direction, and a push rod locking piece for locking the upper push rod and the lower push rod relative to each other, the push rod locking piece and the locking joint are linked and unlocked set up.

5 . The stroller according to claim 2 , wherein the seat frame comprises two seat posts that are arranged on the left and right sides and both extend in the front-rear direction, and the rear portion of the seat post passes through the third shaft. 6 . A pivot is connected to the push rod, and the third shaft is positioned above the first shaft on the push rod.

6 . The stroller according to claim 2 , wherein the rear connecting frame comprises two rear connecting rods which are respectively arranged on the left and right sides and both extend in the front and rear directions, and the rear part of the rear connecting rod passes through the The fourth shaft is pivotally connected to the rear support rod on the same side, and the fourth shaft is located below the second shaft on the rear support rod.

7 . The stroller according to claim 1 , wherein the front connecting frame comprises two front connecting rods respectively arranged on the left and right sides, and the stroller frame further comprises an open U-shaped armrest frame. 8 . , the rear parts on both sides of the armrest frame are respectively connected with the upper parts of the front connecting rods on both sides.

8 . The stroller according to claim 7 , wherein the front link is pivotally connected to the front wheel bracket through a rotation shaft, and the front support rod at least has a front side of the rotation shaft. 9 . The front rod part, the armrest frame has at least side rod parts located on the left and right sides, the rear part of the side rod part is fixedly connected to the upper part of the front rod part, and the side rod part is connected to the The front rod portion extends in the same longitudinal direction.

9. The stroller according to any one of claims 1 to 8, wherein when the stroller frame is in a folded state, the push rod frame is folded on the front side of the front wheel bracket, so The rear wheel bracket is retracted on the rear side of the front wheel bracket, and the seat frame and the front connecting frame are retracted between the push rod bracket, the front wheel bracket and the rear wheel bracket.

10. The stroller according to any one of claims 1 to 8, wherein the wheel assembly comprises a front wheel arranged at the bottom of the front wheel bracket and a rear wheel arranged at the bottom of the rear wheel bracket , when the cart frame is in a folded state, the rear wheel bracket is folded on the rear side of the front wheel bracket, and the rear wheel is folded above the front wheel.