CN208198531U - Children trolley - Google Patents

Children trolley Download PDF

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Publication number
CN208198531U
CN208198531U CN201820264873.7U CN201820264873U CN208198531U CN 208198531 U CN208198531 U CN 208198531U CN 201820264873 U CN201820264873 U CN 201820264873U CN 208198531 U CN208198531 U CN 208198531U
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China
Prior art keywords
axis
back stay
stroller frame
connecting rod
sides
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CN201820264873.7U
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Chinese (zh)
Inventor
唐鸣
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201820264873.7U priority Critical patent/CN208198531U/en
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Abstract

The utility model discloses a kind of children trolleys, each side side stand of its stroller frame includes the front support rod that updip extends from front to back, the back stay that updip extends from back to front, the bottom connecting rod extended along the longitudinal direction, and the side connecting rod respectively vertically extended, back stay and push rod, wherein, front component is set to the lower part of the front support rod, wheel assembly is set to the lower part of back stay, between the front component of two sides in left-right direction on spacing be greater than two sides wheel assembly between in left-right direction on spacing, when stroller frame is in folded state, the front support rod on side stand described in each side, back stay collapses along the longitudinal direction, wheel assembly described in two groups be located at two groups in left-right direction described between front component, front support rod in stroller frame is closely collapsed together with back stay, it is pushed away compared to traditional children For vehicle, folding volume has obtained further reduction, brings convenience for daily storage, the carrying use of user.

Description

Children trolley
Technical field
The utility model relates to a kind of children trolleys.
Background technique
In the prior art, the structure of children trolley is varied, generally includes to have unfolded state and folded state Stroller frame, set on the wheel assembly of stroller frame bottom, for by stroller frame locking locking mechanism in the deployed state.Mesh The stroller frame of preceding children trolley is many kinds of, and the rod piece number of stroller frame is different, connection relationship between each rod piece, Link position is different, so that folding principle is also different with folding mode.How to guarantee to stablize what carrying was carried out to children Under the premise of simplify stroller frame structure and simplify stroller frame folding mode, be the pursuit mesh of those skilled in the art always Mark.
Summary of the invention
The purpose of the utility model is to provide a kind of structures, and children simple, that folding operation is convenient and folding volume is small push away Vehicle.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of children trolley, including has expansion shape State and the stroller frame of folded state, set on stroller frame bottom front front component, be set to the stroller frame bottom after The wheel assembly in portion, and for the locking mechanism by stroller frame locking in the deployed state, the stroller frame packet Include be divided into the left and right sides two side stands, the side stand of every side include: from front to back updip extend front support rod, The back stay of updip extension from back to front, the bottom connecting rod extended along the longitudinal direction, and the side respectively vertically extended connect Bar, back stay and push rod, wherein the top of the front support rod is connect with the top of the back stay by first axle phase pivot, The lower part of the side connecting rod is connect with the top of the back stay by the second axis phase pivot, the axial line of the first axle and institute The axial line for stating the second axis is parallel to each other or collinearly extends;The top of the side connecting rod is pivotally connected in described push away by third axis On bar, the back stay connect by the 4th axis with the back stay phase pivot, the top of the back stay pass through the 5th axis and The lower part phase pivot of the push rod connects, and the front of the bottom connecting rod is pivotally connected on the front support rod by the 6th axis, institute The rear portion for stating bottom connecting rod is connect by the 7th axis with the lower part phase pivot of the back stay, the third axis, the 4th axis, the 5th Axis, the 6th axis, the 7th axis and the first axle axial line be parallel to each other,
The front component be set to the front support rod lower part, the wheel assembly be set to the back stay lower part, two Between front component described in side in left-right direction on spacing be greater than described in two sides between wheel assembly in left-right direction between Away from when the stroller frame is in folded state, the front support rod, back stay are received along the longitudinal direction on side stand described in each side Hold together, wheel assembly described in two groups be located at two groups in left-right direction described between front component.
Preferably, the first four-bar mechanism, the side are constituted between the front support rod, back stay, back stay and bottom connecting rod The second four-bar mechanism is constituted between connecting rod, push rod, back stay and back stay, when the stroller frame folds, the back stay It turns over around the relatively described back stay of the 4th axis and collapses the rear side in the back stay.
Further, when the stroller frame is in folded state, the lower part of the push rod is upper with the back stay Portion phase pivot junction forms a supporting point, and the supporting point is supported in ground jointly with the wheel assembly and makes described push away Vehicle carriage stands on ground certainly.
Preferably, when the stroller frame is in unfolded state, the third axis is located at described the on the push rod The top of five axis;7th axis and the 5th axis are divided into the front and rear sides of the back stay.
Preferably, the axial line of the first axle and the axial line of second axis are set in parallel to each other.
Preferably, the side stand of every side further includes a bar assembly, and the seat bar assembly includes extending along the longitudinal direction Seat bar and the sliding part that is pivotally connected on the side connecting rod, described in the rear portion of the seat bar is pivotally connected in by the 8th axis On back stay, the seat bar is slidably connected on the sliding part along length direction.
Further, the sliding part is to be pivotally connected in the sliding sleeve on the side connecting rod by the 9th axis, described the Nine axis are on the side connecting rod along the vertical direction between second axis and third axis;8th axis is in the back stay Above between the 4th axis and the 5th axis.
Further, the side stand of every side further includes armrest assembly, and the armrest assembly includes phase along its length To the preceding handrail and back bar bar of sliding extension, the preceding handrail is pivotally connected on the side connecting rod by the tenth axis, The rear portion of the back bar bar is pivotally connected on the back stay by the 11st axis, wherein the tenth axis is in the side On connecting rod between the 9th axis and the third axis, the 11st axis is located at the 5th axis on the back stay Between the 8th axis.
Preferably, the stroller frame further includes the stull component being arranged between side stand described in two sides, the stull Component include the rear transverse rod being connected between back stay lower part described in two sides, and/or be connected to front support rod lower part described in two sides it Between front rail, and/or the middle cross bar that is connected between back stay described in two sides, and/or be connected to push rod top described in two sides Between cross tube.
Further, the rear transverse rod, the wheel assembly of two sides are equipped between the lower part of back stay described in two sides Between be additionally provided with brake bar assembly, the front rail is equipped between the lower part of front support rod described in two sides, when the stroller frame When in folded state, the front rail is located at the front of the back stay.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art The children trolley of type, rod piece quantity is few, simple for structure, and folding operation is simple and convenient, two sides in folded stroller frame Wheel assembly can collapse in left-right direction between the front component of two sides, enable front support rod and back stay in stroller frame Enough closely to collapse together, for traditional children trolley, folding volume has obtained further reduction, is user Daily storage, carry use bring convenience.
Detailed description of the invention
Attached drawing 1 is the perspective view under the children trolley unfolded state of the utility model;
Attached drawing 2 is the side view one under the children trolley unfolded state of the utility model;
Attached drawing 3 is the side view two under the children trolley unfolded state of the utility model;
Attached drawing 4 is the main view under the children trolley unfolded state of the utility model;
Attached drawing 5 is the side view under the children trolley semi-collapsed condition of the utility model;
Attached drawing 6 is the side view under the children trolley folded state of the utility model.
Wherein: 100, side stand;1, front support rod;2, back stay;3, bottom connecting rod;4, side connecting rod;5, back stay;6, push rod; 7, seat bar assembly;71, sliding sleeve;72, seat bar;8, armrest assembly;81, preceding handrail;82, back bar bar;9, operating parts is unlocked; 10, front component;20, wheel assembly;
101, front rail;201, rear transverse rod;202, brake bar assembly;501, middle cross bar;601, cross tube;801, handrail is horizontal Bar;11, first axle;12, the second axis;13, third axis;14, the 4th axis;15, the 5th axis;16, the 6th axis;17, the 7th axis;18, 8th axis;19, the 9th axis;110, the tenth axis;111, the 11st axis.
Specific embodiment
The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1 to children trolley shown in fig. 6, including with unfolded state and folded state stroller frame, be set to The front component 10 of stroller frame bottom front, the wheel assembly 20 set on stroller frame bottom rear portion, and be used for stroller frame The locking mechanism of locking in the deployed state.
Referring to FIG. 1 to FIG. 4, stroller frame include be divided into the left and right sides two side stands 100, every side it is collateral Frame 100 includes: the front support rod 1 that updip extends from front to back, the back stay 2 that updip extends from back to front, prolongs along the longitudinal direction The bottom connecting rod 3 stretched and the side connecting rod 4 respectively vertically extended, back stay 5 and push rod 6, wherein the top of front support rod 1 It is connect with the top of back stay 2 by 11 phase pivot of first axle, the lower part of side connecting rod 4 is upper by the second axis 12 and back stay 2 The connection of portion's phase pivot;The top of side connecting rod 4 is pivotally connected on push rod 6 by third axis 13, back stay 5 by the 4th axis 14 with The top of the connection of 2 phase pivot of back stay, back stay 5 is connect by the 5th axis 15 with the lower part phase pivot of push rod 6, bottom connecting rod 3 Front is pivotally connected on front support rod 1 by the 6th axis 16, the lower part that the rear portion of bottom connecting rod 3 passes through the 7th axis 17 and back stay 5 Phase pivot connection.Above-mentioned first axle 11, the second axis 12, third axis 13, the 4th axis 14, the 5th axis 15, the 6th axis 16 and the 7th The axial line of axis 17 is set in parallel to each other.It, can also be by the axial line of first axle 11 and in other some embodiments The axial line of two axis 12 collinearly extends ground setting, the i.e. setting coaxial with the second axis 12 of first axle 11.
By above-mentioned, when stroller frame is in unfolded state, third axis 13 is located at the top of the 5th axis 15 on push rod 6; 7th axis 17 and the 5th axis 15 are then divided into the front and rear sides of back stay 2;On every side side stand 100, front support rod 1, back stay 2, The first four-bar mechanism is constituted between back stay 5 and bottom connecting rod 3;It is constituted between side connecting rod 4, push rod 6, back stay 5 and back stay 2 Second four-bar mechanism.When stroller frame folds, the second four-bar mechanism is opposite with each rod piece in the first four-bar mechanism to be turned Move the folding for collapsing and realizing each side side stand 100.
Specifically, in the present embodiment, locking mechanism includes being used between the lower part of push rod 6 and the top of back stay 5 The locking piece (not shown) that the two is locked, when which locks, the first four-bar mechanism and the second four-bar mechanism It is locked, so that side stand 100 is locked in the deployed state.After being bounded on each side the unlock of side stand 100, when pressing push rod 6, just Side connecting rod 4 and back stay 5 may make to turn over and gradually collapse to respectively the rear side of back stay 2 with respect to back stay 2, together When, the rotation of back stay 5 drives bottom connecting rod 3 to rotate relative to front support rod 1, to drive front support rod 1 and back stay 2 gradually along front and back To gathering, as shown in Figure 5.Finally, so that front support rod 1, back stay 2, side connecting rod 4, back stay 5 and push rod 6 are received along the longitudinal direction Hold together together, realizes the folding of side stand 100, as shown in Figure 6.
Referring to FIG. 1 to FIG. 4, the side stand 100 of every side further includes a bar assembly 7 and handrail bar assembly 8.Seat bar assembly 7 include the seat bar 71 that extends along the longitudinal direction and the sliding part 72 being pivotally connected on side connecting rod 4, and the rear portion of seat bar 71 passes through the Eight axis 18 are pivotally connected on back stay 5, and the 8th axis 18 positioned at the top of the 4th axis 14 and is located at the 5th axis on back stay 5 15 lower section, seat bar 71 are slidably connected on sliding part 72 along length direction, and herein, it is to pass through that sliding part 72, which uses, 9th axis 19 is pivotally connected in the sliding sleeve on side connecting rod 4, which is slidably arranged on present bar 71, and the 9th axis 19 is in side connecting rod Positioned at the top of the second axis 12 and positioned at the lower section of third axis 13 on 4.
Handrail bar assembly 8 is located at the top of seat bar assembly 7, which includes that opposite sliding along its length is stretched The preceding handrail 81 and back bar bar 82 of contracting, preceding handrail 81 are pivotally connected on side connecting rod 4 by the tenth axis 110, back bar The rear portion of bar 82 is pivotally connected on back stay 5 by the 11st axis 111, wherein the tenth axis 110 is located at the on side connecting rod 4 Between nine axis 19 and third axis 13, the 11st axis 111 is on back stay 5 between the 5th axis 15 and the 8th axis 18.Two sides are helped Arm rest cross bar 801 is additionally provided between hand lever component 8, the two sides rear end of the arm rest cross bar 801 is detachably connected to two respectively The front end of handrail 81 before side, to realize the protection to children on seat bar 71 are located at.In the mistake of above-mentioned 100 folding of side stand Cheng Zhong, seat bar 71 slide and the gathering that gradually rotates with back stay 5 and side connecting rod 4 with respect to sliding sleeve 72, and preceding handrail 81 is with after Handrail 82 is collapsed relative to sliding and gradually with back stay 5 and the rotation of side connecting rod 4.
Referring to shown in Fig. 1, Fig. 4, stroller frame further includes the stull component being arranged between two sides side stand 100, this reality It applies in example, stull component includes the rear transverse rod 201 being connected between 2 lower part of two sides back stay, is connected to 1 lower part of two sides front support rod Between front rail 101, the middle cross bar 501 that is connected between two sides back stay 5, and be connected between 6 top of two sides push rod Cross tube 601.Herein, front rail 101 is also used as foot pedal, and the middle part of cross tube 601 is additionally provided with for two side chains Determine the unlock operating parts 9 of part unlock;Brake bar assembly 202 is additionally provided between the wheel assembly 20 of two sides, after being used for two sides The brake of wheel assembly 20 controls.
Referring to shown in each attached drawing, front component 10 has two groups, and two groups of front components 10 are divided into the lower part of two front support rods 1; Wheel assembly 20 has two groups, and two groups of wheel assemblies 20 are divided into the lower part of two back stays 2.Along left and right between two sides front component 10 Spacing on direction is greater than between two sides wheel assembly 20 spacing in left-right direction.
When stroller frame folds, front support rod 1 is drawn close along the longitudinal direction with back stay 2, and the wheel assembly 20 of two sides is along a left side Right direction collapses between two sides front component 10, and front rail 101 is located at the front of rear transverse rod 201 and bar assembly 202 of braking.This Enable front component 10 and wheel assembly 20 be overlapped as much as possible and front support rod 1 with back stay 2 using up along the longitudinal direction It may draw close, to further reduce the folded size of stroller frame and volume, avoid traditional children trolley and exist Because of the bar assembly 202 and rear transverse rod 201 etc. of braking when two front wheels component is collapsed in left-right direction between two wheel assemblies when folding The interference of component and the close gathering that cannot achieve front support rod and back stay.
To sum up, the children trolley of the utility model, rod piece quantity is few, is only needed in the deployed state by the push rod 6 of two sides It is locked between back stay 5, can make the first four-bar mechanism and the second four-bar mechanism on each side side stand 100 It is locked, so that stroller frame is steadily under unfolded state, the stroller frame under unfolded state has good Stability, as shown in Figures 1 to 4.
When needing folding children's cart, operator only needs operation unlock operating parts 9 by the locking on two sides side stand 100 Part unlock, then pushes push rod 6, and each rod piece in stroller frame can make to relatively rotate and gradually collapse together, real The folding of existing stroller frame.Folded stroller frame is as shown in fig. 6, its two sides wheel assembly 20 is collapsed in left-right direction in two Between side front component 10, each rod piece in stroller frame can be closely close together, so that folded cart vehicle Frame size is very compact, smooth.Meanwhile in folded stroller frame, the lower part of push rod 6 and the top phase pivot of back stay 5 Shaft connection place forms a supporting point, and the supporting point and wheel assembly 20 are supported in ground jointly and stroller frame made to stand on ground certainly Face is provided convenience for the daily storage of user with carrying.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (10)

1. a kind of children trolley, including with unfolded state and folded state stroller frame, be set to the stroller frame bottom before The front component in portion, the wheel assembly set on stroller frame bottom rear portion, and for the stroller frame to be locked in exhibition Locking mechanism under open state, the stroller frame include two side stands for being divided into the left and right sides, which is characterized in that every side The side stand include: from front to back updip extend front support rod, from back to front updip extend back stay, along front and back To the bottom connecting rod of extension, and the side connecting rod, back stay and the push rod that respectively vertically extend, wherein the front support rod Top is connect with the top of the back stay by first axle phase pivot, the lower part of the side connecting rod and the top of the back stay It is connected by the second axis phase pivot, the axial line of the axial line of the first axle and second axis is parallel to each other or collinearly prolongs It stretches;The top of the side connecting rod is pivotally connected on the push rod by third axis, the back stay by the 4th axis with it is described The top of the connection of back stay phase pivot, the back stay is connect by the 5th axis with the lower part phase pivot of the push rod, the bottom The front of connecting rod is pivotally connected on the front support rod by the 6th axis, the rear portion of the bottom connecting rod by the 7th axis and it is described after The lower part phase pivot of pull rod connects, the third axis, the 4th axis, the 5th axis, the 6th axis, the 7th axis and the first axle axis Heart line is parallel to each other,
The front component is set to the lower part of the front support rod, and the wheel assembly is set to the lower part of the back stay, two sides institute The spacing that the spacing in left-right direction is greater than between wheel assembly described in two sides in left-right direction is stated between front component, when When the stroller frame is in folded state, the front support rod, back stay collapse along the longitudinal direction on side stand described in each side, and two The group wheel assembly be located at two groups in left-right direction described between front component.
2. children trolley according to claim 1, it is characterised in that: the front support rod, back stay, back stay and bottom connecting rod Between constitute the first four-bar mechanism, constitute the second four-bar mechanism between the side connecting rod, push rod, back stay and back stay, When the stroller frame folds, the back stay is turned over around the relatively described back stay of the 4th axis and is collapsed after described The rear side of strut.
3. children trolley according to claim 2, it is characterised in that: when the stroller frame is in folded state, institute The top phase pivot junction of the lower part and the back stay of stating push rod forms a supporting point, the supporting point and the rear wheels Part is supported in ground jointly and the stroller frame is made to stand on ground certainly.
4. children trolley according to claim 1, it is characterised in that: when the stroller frame is in unfolded state, institute State the top that third axis is located at the 5th axis on the push rod;7th axis and the 5th axis are divided into the rear branch The front and rear sides of bar.
5. children trolley according to claim 1, it is characterised in that: the axial line of the first axle and second axis Axial line is set in parallel to each other.
6. children trolley according to claim 1, it is characterised in that: the side stand of every side further includes a bar assembly, The seat bar assembly includes the seat bar extended along the longitudinal direction and the sliding part that is pivotally connected on the side connecting rod, the seat bar Rear portion be pivotally connected on the back stay by the 8th axis, the seat bar is slidably connected along length direction described On sliding part.
7. children trolley according to claim 6, it is characterised in that: the sliding part is to be pivotally connected by the 9th axis Sliding sleeve on the side connecting rod, the 9th axis are located at second axis and third axis along the vertical direction on the side connecting rod Between;8th axis is on the back stay between the 4th axis and the 5th axis.
8. children trolley according to claim 7, it is characterised in that: the side stand of every side further includes armrest assembly, The armrest assembly includes along its length with respect to the preceding handrail of sliding extension and back bar bar, and the preceding handrail passes through the Ten axis are pivotally connected on the side connecting rod, and the rear portion of the back bar bar is pivotally connected in the back stay by the 11st axis On, wherein on the side connecting rod between the 9th axis and the third axis, the 11st axis exists the tenth axis On the back stay between the 5th axis and the 8th axis.
9. children trolley according to any one of claims 1 to 8, it is characterised in that: the stroller frame further includes setting Stull component between the side stand described in two sides, the stull component include being connected between back stay lower part described in two sides Rear transverse rod, and/or the front rail being connected between front support rod lower part described in two sides, and/or be connected to back stay described in two sides it Between middle cross bar, and/or the cross tube being connected between push rod top described in two sides.
10. children trolley according to claim 9, it is characterised in that: be equipped with institute between the lower part of back stay described in two sides The rear transverse rod stated is additionally provided with brake bar assembly between the wheel assembly of two sides, sets between the lower part of front support rod described in two sides There is the front rail, when the stroller frame is in folded state, the front rail is located at the front of the back stay.
CN201820264873.7U 2018-02-23 2018-02-23 Children trolley Active CN208198531U (en)

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CN201820264873.7U CN208198531U (en) 2018-02-23 2018-02-23 Children trolley

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Application Number Priority Date Filing Date Title
CN201820264873.7U CN208198531U (en) 2018-02-23 2018-02-23 Children trolley

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109733455A (en) * 2019-01-11 2019-05-10 好孩子儿童用品有限公司 Children trolley
CN110001733A (en) * 2019-03-04 2019-07-12 好孩子儿童用品有限公司 Stroller
CN110271598A (en) * 2019-06-27 2019-09-24 好孩子儿童用品有限公司 A kind of children trolley
CN110481621A (en) * 2019-07-19 2019-11-22 好孩子儿童用品有限公司 Children trolley
CN110979440A (en) * 2019-12-11 2020-04-10 好孩子儿童用品有限公司 a children's stroller
CN111483504A (en) * 2020-04-17 2020-08-04 好孩子儿童用品有限公司 stroller

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109733455A (en) * 2019-01-11 2019-05-10 好孩子儿童用品有限公司 Children trolley
CN109733455B (en) * 2019-01-11 2024-05-10 好孩子儿童用品有限公司 Child cart
CN110001733A (en) * 2019-03-04 2019-07-12 好孩子儿童用品有限公司 Stroller
CN110001733B (en) * 2019-03-04 2024-05-10 好孩子儿童用品有限公司 Baby carriage
CN110271598A (en) * 2019-06-27 2019-09-24 好孩子儿童用品有限公司 A kind of children trolley
CN110271598B (en) * 2019-06-27 2024-07-26 好孩子儿童用品有限公司 Child cart
CN110481621A (en) * 2019-07-19 2019-11-22 好孩子儿童用品有限公司 Children trolley
CN110481621B (en) * 2019-07-19 2024-06-04 好孩子儿童用品有限公司 Child cart
CN110979440A (en) * 2019-12-11 2020-04-10 好孩子儿童用品有限公司 a children's stroller
CN111483504A (en) * 2020-04-17 2020-08-04 好孩子儿童用品有限公司 stroller

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