CN208585299U

CN208585299U - Children trolley

Info

Publication number: CN208585299U
Application number: CN201820864036.8U
Authority: CN
Inventors: 董伟
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2018-06-05
Filing date: 2018-06-05
Publication date: 2019-03-08
Anticipated expiration: 2028-06-05

Abstract

The utility model discloses a kind of children trolleys, the side stand of the every side of its stroller frame includes front support rod, back stay, side handrail bar, push rod, rear pole, bottom connecting rod, and back link, wheel assembly is installed in rear-wheel connector rod, and the rear-wheel connector rod is pivotally connected on back stay, when folding the stroller frame, only driving push rod is needed to overturn forward, each rod piece of stroller frame can be driven to relatively rotate to collapse, and rear-wheel connector rod is driven to overturn folding forward with respect to back stay, to reduce the folded height of stroller frame, and wheel assembly is more closely collapsed between each rod piece of stroller frame, further reduce the folded size of stroller frame, improve user's convenience used in everyday.

Description

Children trolley

Technical field

The utility model relates to a kind of children trolleys.

Background technique

In the prior art, children trolley includes with expansion with the stroller frame of folded state, before stroller frame bottom The front component in portion and wheel assembly set on stroller frame bottom rear portion, when stroller frame folds, front component and rear wheels Part is usually only to collapse along the longitudinal direction, or is distributed side by side one on the other, cause folded fame dimensions still compared with Greatly.Currently, manually rear-wheel connector opposing rear wheels bracket will be overturn after the completion of vehicle frame folding there are also in stroller frame Folding is carried out to reduce folding volume, but operation is more troublesome in this way.

Summary of the invention

The purpose of the utility model is to provide a kind of children trolley, wheel assembly can be in the process of stroller frame folding It is automatically completed folding and reduces the size after vehicle frame folding.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of children trolley, have unfolded state with The stroller frame of folded state, set on the front component of stroller frame bottom front and set on stroller frame bottom rear portion Wheel assembly, the stroller frame include two side stands for being divided into the left and right sides, and the side stand of every side includes:

Front support rod, the front component are set to the bottom of the front support rod；

Back stay, its underpart, which is pivotally connected, rear-wheel connector rod, and the wheel assembly is set to the bottom of the rear-wheel connector rod Portion；

Side handrail bar, vertically extends, the top of the lower part of the side handrail bar and the front support rod, it is described after The connection of two component phase pivots and third component in these three components of the top of strut are pivotally connected in both of the aforesaid component In a component on or three above-mentioned component phase pivots link together；

The upper pivot of push rod, the side handrail bar is connected on the push rod；

Rear pole, the rear pole are pivotally connected on the back stay, the top of the rear pole and the push rod Lower pivot connection；

Bottom connecting rod, extends along the longitudinal direction, and the front of the bottom connecting rod is pivotally connected on the front support rod；

Back link, the one end of the back link are pivotally connected in the rear-wheel connector rod, the back link it is another Wherein the two in end, the rear portion of the bottom connecting rod and this three of the lower part of the rear pole is pivotally connected and third party's pivot connects It connects on one of both aforementioned or above-mentioned three pivots together,

When the stroller frame is in folded state, on the side stand of every side, the rear-wheel connector rod drives institute The relatively described back stay of wheel assembly is stated to overturn forward and collapse in the front side of the back stay.

Preferably, the rear portion of the bottom connecting rod and the front of the rear pole are pivotally connected, and the back link is vertically square To extension, the upper pivot of the back link is connected on the bottom connecting rod or is pivotally connected on the rear pole.

It is further preferred that the top at the rear portion of the bottom connecting rod, the front of the rear pole and the back link is around same One rotary centerline pivots together, and constitutes four between the rear pole, back stay, rear-wheel connector rod and the back link Link mechanism.

It is further preferred that the top of the front support rod is pivotally connected in the top of the back stay, institute by first axle The top of back stay is stated to connect by the second axis with the lower pivot of the side handrail bar, the axial line of the first axle with it is described The axis parallel of second axis or the conllinear ground that extends are arranged.

It is further preferred that the back stay includes the strut members that updip extends from back to front and is fixedly set to described The strut connector that strut members upper end and from front to back updip extend, the top of the front support rod by the first axle with it is described The lower pivot of strut connector connects, the top pivot that the lower part of the side handrail bar passes through second axis and the strut connector Axis connection.

Preferably, the side stand of every side further includes described in seat bar, the provided at one extended along the longitudinal direction is connected to The rear portion of the seat bar and other end is pivotally connected in the swing rod on the rear pole, the front of the seat bar be pivotally connected in it is described after The top of strut.

Preferably, when the stroller frame is in unfolded state, the rear-wheel connector rod is with the back stay along same Length direction extends.

Preferably, when the stroller frame is in folded state, the rear-wheel connector rod is overturn to the back stay Front side simultaneously extends in horizontal direction.

Preferably, when the stroller frame is in folded state, the front component is located at the upper of the wheel assembly Side, the wheel assembly on the top of the rear pole, the lower part of the push rod and two sides are supported in ground jointly.

As a kind of specific embodiment, the stroller frame further includes being fixedly arranged between front support rod lower part described in two sides Front rail, and/or the rear transverse rod that is fixedly arranged between back stay lower part described in two sides, and/or be fixedly arranged on push rod described in two sides it Between cross tube, when the stroller frame is in folded state, wheel assembly described in two groups is collapsed in left-right direction at two groups Between the front component

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, only needs driving push rod to overturn forward, so that it may drive each rod piece of stroller frame to relatively rotate and collapse, and band Dynamic rear-wheel connector rod overturns forward folding with respect to back stay, to reduce the folded height of stroller frame, and makes rear-wheel Component can be collapsed more closely between each rod piece of stroller frame, further reduce the folded size of stroller frame, Improve user's convenience used in everyday.

Detailed description of the invention

Attached drawing 1 is the axis surveys view of the children trolley of the utility model in the deployed state；

Attached drawing 2 is the side view of the children trolley of the utility model in the deployed state；

Attached drawing 3 is the rearview of the children trolley of the utility model in the deployed state；

Attached drawing 4 is axis surveys view of the children trolley of the utility model under semi-collapsed condition；

Attached drawing 5 is side view of the children trolley of the utility model under semi-collapsed condition；

Attached drawing 6 is the axis surveys view of the children trolley of the utility model in a folded configuration；

Attached drawing 7 is the side view of the children trolley of the utility model in a folded configuration；

Wherein: 100, side stand；1, front support rod；2, back stay；2a, strut members；2b, strut connector；3, side handrail bar；4, Push rod；5, rear pole；6, bottom connecting rod；7, back link；8, rear-wheel connector rod；9, seat bar；10, first axle；20, the second axis；30, it puts Bar；40, front rail；50, rear transverse rod；60, cross tube；70, front component；80, wheel assembly.

Specific embodiment

The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.

It is the children trolley of the utility model referring to Fig. 1 to Fig. 7, including the cart vehicle with unfolded state and folded state Frame, the wheel assembly 80 set on the front component 70 of the stroller frame bottom front and set on stroller frame bottom rear portion, stroller frame Two side stands 100 including being divided into the left and right sides.

As shown in Figure 1, 2, each side stand 100 includes front support rod 1, back stay 2, side handrail bar 3, push rod 4, rear pole 5, bottom connecting rod 6, back link 7.

Updip is extended front support rod 1 from front to back, and the bottom of front support rod 1 is arranged in front component 70；2 lower part of back stay Pivot connection has rear-wheel connector rod 8, and wheel assembly 80 is set to the bottom of rear-wheel connector rod 8；Side handrail bar 3 prolongs along the vertical direction It stretches, two component phase pivots in the top of the lower part of side handrail bar 3 and front support rod 1, these three components of the top of back stay 2 connect It connects and on a component that third component is pivotally connected in both of the aforesaid component or these three components are pivotally connected in one It rises.

As preferred arrangement, the top of front support rod 1 and the lower part of side handrail bar 3 are respectively upper with the back stay 2 Portion is pivotally connected.Specifically, the top of front support rod 1 is pivotally connected in the top of back stay 2 by first axle 10, back stay 2 Top is connect by the second axis 20 with the lower pivot of side handrail bar 3, the axial line of the axial line of first axle 10 and the second axis 20 The parallel or conllinear ground that extends is arranged.In the present embodiment, back stay 2 is T-shaped, including the strut members extended from back to front to updip The top of the 2a and strut connector 2b for being fixedly set to the upper end strut members 2a and extending from front to back to updip, front support rod 1 are logical It crosses first axle 10 to connect with the lower pivot of strut connector 2b, the lower part of side handrail bar 3 passes through the second axis 20 and strut connector 2b Upper pivot connection.

Push rod 4 includes along its length with respect to the lower push-rod 4a of sliding extension and upper push-rod 4b, and side handrail bar 3 is pivotally connected On lower push-rod 4a；Rear pole 5 is pivotally connected on back stay 2, and the top of rear pole 5 and the lower pivot of lower push-rod 4a connect It connects；Bottom connecting rod 6 extends along the longitudinal direction, and the front of bottom connecting rod 6 is pivotally connected on front support rod 1.

The one end of back link 7 is pivotally connected in rear-wheel connector rod 8, the rear portion of the other end of back link 7, bottom connecting rod 6 And wherein the two in this three of the lower part of rear pole 5 is pivotally connected and the third party is pivotally connected in one of aforementioned the two On or above-mentioned three pivot together.

As preferred arrangement, the rear portion of bottom connecting rod 6 and the front of rear pole 5 are pivotally connected so that front support rod 1, after Four-bar mechanism is constituted between strut 2, rear pole 5 and bottom connecting rod 6；Back link 7 vertically extends, the top of back link 7 It is pivotally connected on bottom connecting rod 6 or is pivotally connected on rear pole 5, in the present embodiment, the rear portion of bottom connecting rod 6, rear pole 5 Front and the top of back link 7 pivot together around same rotary centerline, rear pole 5, back stay 2, rear-wheel connector rod 8 And four-bar mechanism is also constituted between back link 7.

Referring to shown in each attached drawing, the side stand 100 of every side further includes a bar 9 and swing rod 30, and seat bar 9 prolongs along the longitudinal direction It stretches, and the front of seat bar 9 is pivotally connected in the top of back stay 2, the provided at one of swing rod 30 connects the rear portion of present bar 9 and another Provided at one is connected on rear pole 5, also constitutes double leval jib machine between ipsilateral back stay 2, rear pole 5, swing rod 30 and seat bar 9 Structure.Herein, the seat bar 9 of two sides is wholely set into the U-shaped facing forward that is open, and two groups of swing rods 30 are connected to U-shaped seat bar 9 The left and right sides on and connect with the rear pole of two sides 5.

The stroller frame further includes the front rail 40 being fixedly arranged between 1 lower part of two sides front support rod, is fixedly arranged on two sides back stay 2 Rear transverse rod 50 between lower part, and the cross tube 60 being fixedly arranged between two sides push rod 4, to provide between two sides side stand 100 The fixed support of transverse direction.Between the spacing of two groups of front components 70 in left-right direction is greater than two groups of wheel assemblies 80 in left-right direction Away from.

Referring to shown in Fig. 1, Fig. 2, when which is in unfolded state, on the side stand 100 of every side, front support rod 1 is propped up Knock-off joint 2b and side handrail bar 3 extend along same length direction；The strut members 2a of back stay 2 is with rear-wheel connector rod 8 also along same Length direction extends, and vehicle frame unfolded state flowering structure is reliable and stable.

When needing to fold up stroller frame, referring to fig. 4, shown in Fig. 5, by the folding rear-guard along its length of push rod 4 It overturns push rod 4 forward, rear pole 5 can make to turn over respect to back stay 2, behind the front of rear pole 5 and bottom connecting rod 6 The common uplink in portion drives the top of back link 7 to move upwards, so that rear-wheel connector rod 8 be pulled gradually to turn over forward with respect to back stay 2 Turn, wheel assembly 80 is overturn forward therewith.

When stroller frame, which folds, to be completed, referring to shown in Fig. 6, Fig. 7, on the side stand 100 of every side, front support rod 1, back stay 2, side handrail bar 3, push rod 4, rear pole 5, front rod 6 and back link 7 mutually collapse, the overturning of rear-wheel connector rod 8 to back stay 2 Front side simultaneously extends in horizontal direction, and two wheel assemblies 80 are in left-right direction between two front wheels component 70, and front component 70 Positioned at the top of wheel assembly 80, stroller frame can rely on the wheel assembly of rear pole 5 and push rod 4 phase pivot junction and two sides 80 are supported in ground jointly and form folded self-support.

On the contrary, user also only needs to pull push rod 4 when the stroller frame is unfolded, just can be realized each in stroller frame The relative rotation of rod piece is unfolded, while rear-wheel connector rod 8 being made to rotate expansion relative to back stay 2 and open up wheel assembly 80 automatically It opens, operates also very convenient.

To sum up, when folding the children trolley of the utility model, driving push rod 4 is only needed to overturn forward, so that it may which driving pushes away Each rod piece of vehicle carriage, which relatively rotates, to be collapsed, while rear-wheel connector rod 8 can also be driven to overturn forward with respect to back stay 2, so that after Wheel assembly 80 can be collapsed in the front side of back stay 2, reduce the height that back stay 2 and wheel assembly 80 are collectively formed after folding With, additionally it is possible to so that wheel assembly 80 closely collapses between each rod piece of stroller frame, further reduce stroller frame Folded size improves user's convenience used in everyday.

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

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 and wheel assembly set on stroller frame bottom rear portion, the stroller frame include being divided into the left and right sides Two side stands, it is characterised in that: the side stand of every side includes:

Back stay, its underpart, which is pivotally connected, rear-wheel connector rod, and the wheel assembly is set to the bottom of the rear-wheel connector rod；

Side handrail bar, vertically extends, the lower part of the side handrail bar and top, the back stay of the front support rod These three components of top in two component phase pivots connection and third component be pivotally connected in both of the aforesaid component On one component or three above-mentioned component phase pivots link together；

Rear pole, the rear pole are pivotally connected on the back stay, the lower part on the top of the rear pole and the push rod It is pivotally connected；

Back link, the one end of the back link are pivotally connected in the rear-wheel connector rod, the other end of the back link, institute The pivot connection of wherein the two and the third party stated in the rear portion and this three of the lower part of the rear pole of bottom connecting rod are pivotally connected in On one of both aforementioned or above-mentioned three pivots together,

When the stroller frame is in folded state, on the side stand of every side, after the rear-wheel connector rod drive is described The relatively described back stay of wheel assembly overturns forward and collapses in the front side of the back stay.

2. children trolley according to claim 1, it is characterised in that: before the rear portion of the bottom connecting rod and the rear pole Portion is pivotally connected, and the back link vertically extends, the upper pivot of the back link be connected on the bottom connecting rod or Person is pivotally connected on the rear pole.

3. children trolley according to claim 2, it is characterised in that: before the rear portion of the bottom connecting rod, the rear pole Portion and the top of the back link pivot together around same rotary centerline, the rear pole, back stay, rear-wheel connector Four-bar mechanism is constituted between bar and the back link.

4. children trolley according to claim 2, it is characterised in that: the top of the front support rod is connected by first axle pivot It connecing on the top of the back stay, the top of the back stay is connect by the second axis with the lower pivot of the side handrail bar, The axis parallel or the conllinear ground that extends of the axial line of the first axle and second axis are arranged.

5. children trolley according to claim 4, it is characterised in that: the back stay includes extending from back to front to updip Strut members and fixedly be set to the strut members upper end and from front to back to updip extend strut connector, the front support rod Top connect by the first axle with the lower pivot of the strut connector, the lower part of the side handrail bar passes through described the Two axis are connect with the upper pivot of the strut connector.

6. children trolley according to claim 1, it is characterised in that: the side stand of every side further includes along the longitudinal direction Seat bar, the provided at one of extension are connected to the rear portion of the seat bar and the other end is pivotally connected in the swing rod on the rear pole, The front of the seat bar is pivotally connected in the top of the back stay.

7. children trolley according to claim 1, it is characterised in that: when the stroller frame is in unfolded state, institute It states rear-wheel connector rod and the back stay extends along same length direction.

8. children trolley according to claim 1, it is characterised in that: when the stroller frame is in folded state, institute Rear-wheel connector rod is stated to overturn to the front side of the back stay and extend in horizontal direction.

9. children trolley according to claim 1, it is characterised in that: when the stroller frame is in folded state, institute State the top that front component is located at the wheel assembly, the top of the rear pole, the lower part of the push rod and two sides it is described Wheel assembly is supported in ground jointly.

10. children trolley according to any one of claims 1 to 9, it is characterised in that: the stroller frame further includes fixed Front rail between the front support rod lower part described in two sides, and/or the rear transverse rod being fixedly arranged between back stay lower part described in two sides, And/or it is fixedly arranged on the cross tube between push rod described in two sides, and when the stroller frame is in folded state, rear-wheel described in two groups Component is collapsed in left-right direction between the front component described in two groups.