CN204368231U - Children trolley - Google Patents

Children trolley Download PDF

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Publication number
CN204368231U
CN204368231U CN201520018673.XU CN201520018673U CN204368231U CN 204368231 U CN204368231 U CN 204368231U CN 201520018673 U CN201520018673 U CN 201520018673U CN 204368231 U CN204368231 U CN 204368231U
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CN
China
Prior art keywords
assembly
vehicle frame
strut
frame
underframe
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.)
Withdrawn - After Issue
Application number
CN201520018673.XU
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Chinese (zh)
Inventor
高翔
吴平
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Publication date
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN201520018673.XU priority Critical patent/CN204368231U/en
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Publication of CN204368231U publication Critical patent/CN204368231U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of children trolley, wherein vehicle frame comprises underframe, front frame, be pivotally connected in the connecting rod between underframe and front frame and strut assembly, underframe, connecting rod, four-bar linkage is formed between front frame and strut assembly, this vehicle frame also comprise can before and after be located at swinging strut on described front frame turningly, front fork assembly on described swinging strut can be connected to turningly in left and right, order about described front fork assembly when to be located between described swinging strut and described front fork assembly for overturning before and after described swinging strut and carry out the transmission device that left and right overturns, front component is located at the bottom of front fork assembly, wheel assembly is installed on the rear portion of underframe.After vehicle frame folding, front component and front fork assembly all draw the bottom in underframe in, make the vehicle frame after folding be flats compact form, take up room little, and certainly can stand on ground, be easy to carry about with one and deposit.

Description

Children trolley
Technical field
the utility model relates to a kind of children trolley.
Background technology
children trolley of the prior art, it usually having folding vehicle frame, being located at the wheel assembly of bottom of frame, for vehicle frame being locked in the lockout mechanism under expanded position, the structure of vehicle frame is varied, accordingly, connection mode between its rod member quantity, rod member is also different, cause the folding also not identical with spreading principle of each go-cart, the convenience of use also respectively has difference.
Summary of the invention
the purpose of this utility model is to provide that a kind of structure is simple, easy to operate, folded configuration is compact and the less children trolley that takes up room.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of children trolley, comprise the vehicle frame with deployed condition and folded state, be located at front component and the wheel assembly of described bottom of frame, for described vehicle frame being locked lockout mechanism in the deployed state, described vehicle frame comprises the underframe extended along the longitudinal direction, the front frame tilting to extend gradually from front to back, be pivotally connected in the connecting rod between described underframe and described front frame and strut assembly, described underframe, connecting rod, four-bar linkage is formed between front frame and strut assembly, described wheel assembly is installed on the rear portion of described underframe, described vehicle frame also comprise can before and after be located at swinging strut on described front frame turningly, front fork assembly on described swinging strut can be connected to turningly in left and right, order about described front fork assembly when to be located between described swinging strut and described front fork assembly for overturning before and after described swinging strut and carry out the transmission device that left and right overturns, described front component is located at the bottom of described front fork assembly, when described vehicle frame is in deployed condition, described front component and wheel assembly are supported in ground, when described vehicle frame is in folded state, described front frame, connecting rod, strut assembly and underframe are drawn close mutually, and described swinging strut drives described front fork assembly to turn over front component and described front fork assembly rotates relative to described swinging strut and makes described front fork assembly and front component draw bottom in described underframe in.
preferably, described transmission device comprises driving gear, be located at the driven gear arranged that described front fork assembly is meshed with described driving gear, the relatively described front frame of described driving gear or described swinging strut are fixedly installed, described driving gear and described driven gear are finishing bevel gear cuter, and both axial lines are vertically arranged mutually.
further, described swinging strut comprises and is pivotally connected on described front frame and the first bar extended along described vehicle frame left and right directions, is fixedly connected on described first bar along the second bar that described vehicle frame fore-and-aft direction extends, the top of described front fork assembly has anchor shaft, described second bar has the hollow stem chamber that can penetrate rotationally for described anchor shaft, described anchor shaft is rotatably plugged in the hollow stem chamber of described second bar around Pivot Point Center line.
further, described first bar has container cavity, described front frame is fixedly provided with the mounting rod extended along described vehicle frame left and right directions, described mounting rod is located in described container cavity, described driving gear is arranged in described container cavity and is fixedly arranged on described mounting rod, and the end that described driven gear is fixedly arranged on described anchor shaft is meshed with described driving gear.
as a kind of concrete embodiment, described front frame is also provided with the turning cylinder extended along described vehicle frame left and right directions, described mounting rod and described driving gear are set on described turning cylinder, and described first bar is set on described mounting rod and axial line around described turning cylinder is arranged rotatably.
preferably, the upper end of described connecting rod is fixedly connected on described swinging strut, and the lower end of described connecting rod is pivotally connected in the front end of described underframe.
preferably, described strut assembly is the shock-absorbing strut with vibration damping spring, and described strut assembly is positioned at the rear of described connecting rod.
preferably, described underframe comprise extend along the longitudinal direction bottom bar, be connected to the stull between bottom bar rear portion described in both sides, the two ends, left and right of described stull are separately installed with described wheel assembly.
further, described front frame has the front support rod laying respectively at the left and right sides, and described swinging strut is pivotally connected between the described front support rod of both sides, and described front fork assembly and described front component are described in both sides between front support rod and bottom bar.
preferably, described vehicle frame also comprises the push-rod assembly being pivotally connected in described fore poppet overhead, is provided with the push-rod lock locking member for both being locked between described push-rod assembly and described front frame.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: children trolley of the present utility model, its structure is simple, overall appearance is succinct, the expansion of vehicle frame and folding operation are all very convenient, in the process of vehicle frame folding, swinging strut can drive front fork assembly and front component to turn over, under the effect of transmission device, make front fork assembly swinging strut relative to front component flip to one side and little by little draw the bottom in underframe in simultaneously, and then make the vehicle frame after folding be flats compact form, take up room little, and standing up after folding is in ground, be easy to carry about with one and deposit.
Accompanying drawing explanation
accompanying drawing 1 is children trolley of the present utility model lateral plan in the deployed state;
accompanying drawing 2 is children trolley of the present utility model birds-eye view in the deployed state;
accompanying drawing 3 is the principle of work schematic diagram of children trolley upper driving mechanism of the present utility model;
accompanying drawing 4 is A portion enlarged diagram in accompanying drawing 3;
accompanying drawing 5 is the folding principle schematic diagram of push-rod assembly in children trolley of the present utility model;
accompanying drawing 6 is the lateral plan of children trolley of the present utility model in semi-collapsed condition;
accompanying drawing 7 is children trolley of the present utility model lateral plan in a folded configuration;
accompanying drawing 8 is the lateral plan of children trolley of the present utility model after folding in time standing on ground.
wherein: 1, underframe; 11, bottom bar; 12, stull; 2, front frame; 21, front support rod;
3, connecting rod; 4, strut assembly; 5, swinging strut; 51, the first bar; 52, the second bar; 53, turning cylinder; 6, front fork assembly; 61, anchor shaft; 7, transmission device; 71, driving gear; 72, driven gear; 73, mounting rod; 74, fixed link; 8, push-rod assembly; 9, push-rod lock locking member; 20, front component; 30, wheel assembly.
Detailed description of the invention
below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further elaborated.
see the children trolley shown in Fig. 1 to 8, comprise the vehicle frame with deployed condition and folded state, the front component 20 being located at bottom of frame with wheel assembly 30, for vehicle frame being locked lockout mechanism in the deployed state.
vehicle frame comprise extend along the longitudinal direction underframe 1, from front to back gradually updip arrange front frame 2, be pivotally connected in connecting rod 3 between underframe 1 and front frame 2 and strut assembly 4, form four-bar linkage between underframe 1, connecting rod 3, front frame 2 and strut assembly 4.
in the present embodiment, underframe 1 comprises the bottom bar 11 laying respectively at the left and right sides and the stull 12 be connected between both sides bottom bar 11 rear portion.Wheel assembly 30 has two groups, is installed on the two ends, left and right of stull 12 respectively.Front frame 2 is in opening up U-shaped, and it has two front support rods 21 laying respectively at the left and right sides.On every side of vehicle frame, the upper end of strut assembly 4 is pivotally connected on front support rod 21, and its lower end is pivotally connected on the bottom bar 11 of this side.For reducing this children trolley jolting when pavement roughness, improve the traveling comfort of children in go-cart during sitting, strut assembly 4 adopts the shock-absorbing strut with vibration damping spring.On every side of vehicle frame, connecting rod 3 is located between front support rod 21 and bottom bar 11, and connecting rod 3 is positioned at the front of strut assembly 4.
the top of front frame 2 is also provided with for carrying out the push-rod assembly 8 used, and this push-rod assembly 8 is in downward opening U-shaped, and its two ends are connected with the upper end phase pivot of the front support rod 21 of both sides respectively.Push-rod assembly 8 can relatively launch or fold by front frame 2, is also provided with the push-rod lock locking member 9 for both being locked between push-rod assembly 8 and front frame 2.By unlocking or lock push-rod lock locking member 9, can by folding for relative for push-rod assembly 8 front frame 2 or expansion.
this vehicle frame also comprise can before and after be located at turningly front frame 2 front portion swinging strut 5, front fork assembly 6 on swinging strut 5 can be connected to turningly in left and right, front component 20 is located at the bottom of front fork assembly 6.Shown in Fig. 2,3,4, swinging strut 5 comprises the first bar 51 that the left and right directions along vehicle frame extends, is fixedly connected on the first bar 51 along the second bar 52 that the fore-and-aft direction of vehicle frame extends, the two ends of the first bar 51 are pivotally connected on the front support rod 21 of both sides respectively, here, second bar 52 is connected to the middle part of the first bar 51, and the first bar 51 and the second bar 52 are wholely set and are T font structure.The top of front fork assembly 6 rotates with the second bar 52 and is connected, thus front fork assembly 6 can be overturn by relative second bar about 52.In the present embodiment, front fork assembly 6 and front component 20 are one group, between its front support rod 21 in both sides and bottom bar 12.The top of front fork assembly 6 has anchor shaft 61, second bar 52 has the hollow stem chamber can inserted accordingly vertically for anchor shaft 61, this anchor shaft 61 can be plugged in the hollow stem chamber of the second bar 52 rotationally around Pivot Point Center line, and then front fork assembly 6 can be made to drive front component 20 swinging strut about 5 upset relatively when rotating.
this vehicle frame is also provided with transmission device 7 between swinging strut 5 and front fork assembly 6, carries out left and right upset for relative swinging strut 5 swinging strut 5 orders about front fork assembly 6 when front frame 2 is turned over relatively while.Shown in Fig. 3, Fig. 4, the first bar 51 has container cavity, and this container cavity is the hollow stem chamber run through along its length.Front frame 2 is fixedly provided with the mounting rod 73 extended along vehicle frame left and right directions, this mounting rod 73 is located in the container cavity of the first bar 51 along its length direction.Transmission device 7 comprises the driving gear 71 be fixedly arranged on mounting rod 73, is fixedly arranged on the driven gear 72 of anchor shaft 61 upper end, driving gear 71 and driven gear 72 all adopt finishing bevel gear cuter, both axial lines are mutually vertical, and driving gear 71 and driven gear 72 engage each other setting.Like this, current brackets 2 is when underframe 1 rotates, driving gear 71 just can rotate accordingly, and acts on driven gear 72 and order about driven gear 72 around the rotation of Pivot Point Center line, thus front fork assembly 6 swinging strut 5 relative to front component 20 is flipped to one side.
in the present embodiment, one end of mounting rod 73 is fixedly connected on the front support rod 21 of side, and the front support rod 21 of opposite side has been permanently connected a fixed link 74, on the other end that driving gear 71 is fixedly arranged on mounting rod 73 and between mounting rod 73 and fixed link 74.Front frame 2 is also provided with turning cylinder 53, and the axial line of this turning cylinder 53 extends along the left and right directions of vehicle frame, and the two ends of turning cylinder 53 are fixed or are connected to rotationally on the front support rod 21 of both sides.Mounting rod 73, driving gear 71 and fixed link 74 are all set on this turning cylinder 53.First bar 51 is set in fixed link 74 rotationally and on mounting rod 73, the axial line of the moving axis 53 that can rotate rotates relative to front frame 2, and swinging strut 5 moving axis 53 that rotates is rotated relative to front frame 2.
in the present embodiment, on vehicle frame, lockout mechanism be located at underframe 1, connecting rod 3, front frame 2 and strut assembly 4 wherein between two bars for by these two rod lock, thus the four-bar linkage formed between underframe 1, connecting rod 3, front frame 2 and strut assembly 4 can be made to lock, and then realize the locking of vehicle frame.In addition, on the left and right sides of vehicle frame, the first bar 51 that the upper end of connecting rod 3 is all fixedly connected on swinging strut 5 rotates relative to front support rod 21, and the lower end of connecting rod 3 is pivotally connected to the front end of bottom bar 11.Like this, in the process that vehicle frame launches or folds, when each rod member in the four-bar linkage that underframe 1, connecting rod 3, front frame 2 and strut assembly 4 are formed rotates relatively, swinging strut 5 just synchronously overturns with the upset of connecting rod 3.
see shown in Fig. 1 to 3, when this vehicle frame is in deployed condition, lockout mechanism locks, the four-bar linkage formed between underframe 1, front frame 2, connecting rod 3 and strut assembly 4 is locked, wherein connecting rod 3 is almost parallel and make vehicle frame entirety present triangular structure with front frame 2, makes vehicle frame have good stability upon deployment.Front component 20 and wheel assembly 30 form the support to vehicle frame jointly.
when this children trolley is folded up by needs, first, shown in Figure 5, push-rod lock locking member 9 is unlocked, draws in turning over after push-rod assembly 8 relatively front frame 2 with front frame 2, then lockout mechanism is unlocked and makes four-bar linkage be in active state.Shown in Figure 6, the rear portion pressing down front frame 2 makes the rear portion of front frame 2 turn over, and strut assembly 4 and connecting rod 3 all relatively underframe 1 overturn forward, and front frame 2, connecting rod 3 and strut assembly 4 are little by little drawn close to underframe 1 along short transverse.In above process, swinging strut 5 rotate moving axis 53 rotate and relatively underframe 1 turn over, this drives front fork assembly 6 and front component 20 to turn over together; Meanwhile, the rotation of front frame 2 makes driving gear 71 rotate around Pivot Point Center line, and acts on driven gear 72 and driven gear 72 is rotated around Pivot Point Center line, and then the relative swinging strut 5 of front fork assembly 6 is little by little overturn to the side of vehicle frame.Finally, as shown in Figure 7, front frame 2, connecting rod 3, strut assembly 4 and underframe 1 are drawn close mutually, front fork assembly 6 and front component 20 draw the bottom in underframe 1 in, front fork assembly 6 parallels with underframe 1 substantially with front component 20, and front component 20 is also substantially parallel with between ground, makes the vehicle frame after folding be flats structure, this makes taking up room of vehicle frame significantly reduce, but also the cloth cover on this children trolley can be avoided to be made dirty.After folding, this children trolley can also be turned over and turn 90 degrees, the upper end of wheel assembly 30 and front frame 2 is landed, this children trolley just can realize from standing on ground, so that carry and deposit like this.
when this children trolley is opened by needs, first the go-cart erected is turn to front component 20 and put ground, then front frame 2 is mentioned, make relatively rotate between each rod member in four-bar linkage and launch gradually, wherein connecting rod 3 and strut assembly 4 respectively relative underframe 1 turn over, swinging strut 5 relatively underframe 1 overturns forward, front fork assembly 6 underframe 1 relative to front component 20 is driven to overturn forward, meanwhile, driving gear 71 matches with driven gear 72 and front fork assembly 6 relative swinging strut 5 together with front component 20 is outwards overturn.Until four-bar linkage launches completely, lockout mechanism locks, and swinging strut 5 stops the rotation, front fork assembly 6 and front component 20 reset, front component 20 and wheel assembly 30 common support are in ground, and vehicle frame realizes launching, and are finally launched by relative for push-rod assembly 8 front frame 2.
to sum up, this children trolley vehicle frame overall appearance is succinct, lightweight, during vehicle frame folding, front component 20 can participate in the folding process of vehicle frame, and after making vehicle frame folding, front component 20 draws the bottom in underframe 1 in, and then make the vehicle frame after folding be flats compact form, take up room little, and standing up after folding is in ground, is easy to carry about with one and deposits.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.

Claims (10)

1. a children trolley, comprise the vehicle frame with deployed condition and folded state, be located at front component and the wheel assembly of described bottom of frame, for described vehicle frame being locked lockout mechanism in the deployed state, it is characterized in that: described vehicle frame comprises the underframe extended along the longitudinal direction, the front frame tilting to extend gradually from front to back, be pivotally connected in the connecting rod between described underframe and described front frame and strut assembly, described underframe, connecting rod, four-bar linkage is formed between front frame and strut assembly, described wheel assembly is installed on the rear portion of described underframe, described vehicle frame also comprise can before and after be located at swinging strut on described front frame turningly, front fork assembly on described swinging strut can be connected to turningly in left and right, order about described front fork assembly when to be located between described swinging strut and described front fork assembly for overturning before and after described swinging strut and carry out the transmission device that left and right overturns, described front component is located at the bottom of described front fork assembly, when described vehicle frame is in deployed condition, described front component and wheel assembly are supported in ground, when described vehicle frame is in folded state, described front frame, connecting rod, strut assembly and underframe are drawn close mutually, and described swinging strut drives described front fork assembly to turn over front component and described front fork assembly rotates relative to described swinging strut and makes described front fork assembly and front component draw bottom in described underframe in.
2. children trolley according to claim 1, it is characterized in that: described transmission device comprises driving gear, be located at the driven gear arranged that described front fork assembly is meshed with described driving gear, the relatively described front frame of described driving gear or described swinging strut are fixedly installed, described driving gear and described driven gear are finishing bevel gear cuter, and both axial lines are vertically arranged mutually.
3. children trolley according to claim 2, it is characterized in that: described swinging strut comprises and is pivotally connected on described front frame and the first bar extended along described vehicle frame left and right directions, is fixedly connected on described first bar along the second bar that described vehicle frame fore-and-aft direction extends, the top of described front fork assembly has anchor shaft, described second bar has the hollow stem chamber that can penetrate rotationally for described anchor shaft, described anchor shaft is rotatably plugged in the hollow stem chamber of described second bar around Pivot Point Center line.
4. children trolley according to claim 3, it is characterized in that: described first bar has container cavity, described front frame is fixedly provided with the mounting rod extended along described vehicle frame left and right directions, described mounting rod is located in described container cavity, described driving gear is arranged in described container cavity and is fixedly arranged on described mounting rod, and the end that described driven gear is fixedly arranged on described anchor shaft is meshed with described driving gear.
5. children trolley according to claim 4, it is characterized in that: described front frame is also provided with the turning cylinder extended along described vehicle frame left and right directions, described mounting rod and described driving gear are set on described turning cylinder, and described first bar is set on described mounting rod and axial line around described turning cylinder is arranged rotatably.
6., according to the arbitrary described children trolley of claim 1 to 5, it is characterized in that: the upper end of described connecting rod is fixedly connected on described swinging strut, and the lower end of described connecting rod is pivotally connected in the front end of described underframe.
7. children trolley according to claim 1, is characterized in that: described strut assembly is the shock-absorbing strut with vibration damping spring, and described strut assembly is positioned at the rear of described connecting rod.
8. children trolley according to claim 1, is characterized in that: described underframe comprise extend along the longitudinal direction bottom bar, be connected to the stull between bottom bar rear portion described in both sides, the two ends, left and right of described stull are separately installed with described wheel assembly.
9. children trolley according to claim 8, it is characterized in that: described front frame has the front support rod laying respectively at the left and right sides, described swinging strut is pivotally connected between the described front support rod of both sides, and described front fork assembly and described front component are described in both sides between front support rod and bottom bar.
10. children trolley according to claim 1, is characterized in that: described vehicle frame also comprises the push-rod assembly being pivotally connected in described fore poppet overhead, is provided with the push-rod lock locking member for both being locked between described push-rod assembly and described front frame.
CN201520018673.XU 2015-01-12 2015-01-12 Children trolley Withdrawn - After Issue CN204368231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520018673.XU CN204368231U (en) 2015-01-12 2015-01-12 Children trolley

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Application Number Priority Date Filing Date Title
CN201520018673.XU CN204368231U (en) 2015-01-12 2015-01-12 Children trolley

Publications (1)

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CN204368231U true CN204368231U (en) 2015-06-03

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CN201520018673.XU Withdrawn - After Issue CN204368231U (en) 2015-01-12 2015-01-12 Children trolley

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590352A (en) * 2015-01-12 2015-05-06 好孩子儿童用品有限公司 Baby stroller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590352A (en) * 2015-01-12 2015-05-06 好孩子儿童用品有限公司 Baby stroller

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150603

Effective date of abandoning: 20161012

C25 Abandonment of patent right or utility model to avoid double patenting