CN204713164U - Children trolley - Google Patents

Children trolley Download PDF

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Publication number
CN204713164U
CN204713164U CN201520257057.XU CN201520257057U CN204713164U CN 204713164 U CN204713164 U CN 204713164U CN 201520257057 U CN201520257057 U CN 201520257057U CN 204713164 U CN204713164 U CN 204713164U
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China
Prior art keywords
push rod
poppet
seat bar
pipe link
vehicle frame
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CN201520257057.XU
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Chinese (zh)
Inventor
谈太平
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201520257057.XU priority Critical patent/CN204713164U/en
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Abstract

The utility model discloses a kind of children trolley, wherein vehicle frame comprises the side stand laying respectively at the left and right sides, the side stand of every side includes front frame, push rod, after poppet, seat bar and pipe link, front component is located at the bottom of front frame, seat bar extends along the longitudinal direction, the front portion of seat bar is connected to its rear portion on push rod and is connected on after poppet, the top of after poppet is connected on push rod, and seat bar, be connected to each other between push rod and after poppet formation one slider-crank mechanism, the top of front frame is connected with the bottom phase pivot of push rod, the provided at one of pipe link is connected on front frame, the other end pivotal joint of pipe link is present on bar, when vehicle frame is in deployed condition, front frame, push rod, triangular structure is formed between seat bar and pipe link, seat bar, another triangular structure is formed between push rod and after poppet, when vehicle frame is in folded state, push rod, after poppet, seat bar and pipe link are drawn close mutually, and pipe link drives front frame and front component to turn over.

Description

Children trolley
Technical field
the utility model relates to a kind of children trolley.
Background technology
at present children trolley on the market mainly contains two groups, is a kind ofly common go-cart, and another kind is the umbrella handle vehicle of hand-held design.Compared with common go-cart, umbrella handle vehicle is very convenient, very little after folding, is applicable to use of going out, very convenient when particularly taking other vehicle.
in prior art, the body frame structure for automotive of collapsible umbrella handle vehicle is varied, and the annexation of each rod member is also different, and correspondingly folding principle is not identical yet, and the convenience of folding operation is also different.Existing umbrella handle vehicle needs many more manipulations when folding, one can not be realized carry and namely roll over, operation of returning the vehicle to the garage and knock off is convenient not, simultaneously, existing umbrella handle vehicle connects often through plastic parts between front frame and push rod, add the characteristic of umbrella handle vehicle itself, after vehicle frame bears a heavy burden, easily occur the situation of adduction, affect safety in utilization and traveling comfort.
Summary of the invention
the purpose of this utility model is the shortcoming overcoming prior art, provides that a kind of rigidity is good, the children trolley of folding convenient.
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 side stand laying respectively at the left and right sides, be located at the strut assembly described in both sides between side stand, the described side stand of every side includes front frame, push rod, after poppet, seat bar and pipe link, described front component is located at the bottom of described front frame, described wheel assembly is located at the bottom of described after poppet, described seat bar extends along the longitudinal direction, the front portion of described seat bar is connected on described push rod that its rear portion is connected on described after poppet, the top of described after poppet is connected on described push rod, and described seat bar, be connected to each other between push rod and after poppet formation one slider-crank mechanism, the top of described front frame is connected with the bottom phase pivot of described push rod, the provided at one of described pipe link is connected on described front frame, the other end of described pipe link is pivotally connected on described seat bar, when described vehicle frame is in deployed condition, described front frame, push rod, triangular structure is formed between seat bar and pipe link, described seat bar, another triangular structure is formed between push rod and after poppet, when described vehicle frame is in folded state, described push rod, after poppet, seat bar and pipe link are drawn close mutually, and described pipe link drives described front frame and described front component to turn over.
preferably, the upper pivot of described after poppet is connected with a sliding part, described sliding part is located on described push rod along the length bearing of trend of described push rod slidably, and the front portion of described seat bar is pivotally connected on described push rod, and the back pivot of described seat bar is connected on described after poppet.
further, described strut assembly transversely can launch or be located at drawing between the described side stand of both sides, described strut assembly at least comprises end cross assembly, cross assembly of the described end comprise intersect and infall phase pivot connect two foundation struts, the front end of described bottom supporting rod is connected on the described push rod of side rotationally, is connected on the described after poppet of opposite side the rear end thereof of described bottom supporting rod.
further, the front end of described seat bar is pivotally connected on described push rod by rotating shaft, the front end of described bottom supporting rod is connected on described push rod by the first attaching parts rotationally, described rotating shaft is positioned at above described first attaching parts on described push rod, and described sliding part is located at the top of described rotating shaft.
further, described strut assembly also comprises being located at described in both sides and can laterally draw between after poppet and the rear pole assembly launched.
further, when described vehicle frame is in deployed condition, described pipe link is along the longitudinal direction between described front frame and described after poppet.
further, described lockout mechanism comprising the locking piece be located at slidably on described sliding part, being located at the auxiliary section for matching with described locking piece on described push rod, when described lockout mechanism is in the lock state, described locking piece matches with described auxiliary section and makes that described sliding part is relative with described push rod to be locked; When described lockout mechanism is in released state, described locking piece departs from described auxiliary section, described vehicle frame is also provided with and slides with the unlock piece departing from described auxiliary section for ordering about described locking piece.
further, described unlock piece is for being located at the trailing cable described in both sides between sliding part, and the two ends of described trailing cable are connected with the described locking piece of both sides respectively.
further, described sliding part is be sheathed on the sliding sleeve on described push rod slidably.
further, when described vehicle frame is in folded state, after turning over after the described front component of both sides, evenly draw close the rear side at described pipe link mutually with the described wheel assembly of both sides.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: children trolley of the present utility model, and its rod member quantity is few, simple for structure, and the vehicle frame after expansion has good rigidity, can not inside contract phenomenon when bearing a heavy burden; After vehicle frame folding, front frame drives front component to turn over and together with closely drawing close with each rod member on vehicle frame, make folding after vehicle frame overall volume less, and certainly can stand on ground, be easy to deposit and carry, for the use of user brings facility.
Accompanying drawing explanation
accompanying drawing 1 is the block diagram under children trolley of the present utility model is in deployed condition;
accompanying drawing 2 is the STRUCTURE DECOMPOSITION schematic diagram of children trolley of the present utility model;
accompanying drawing 3 is the folding principle schematic diagram of children trolley of the present utility model;
accompanying drawing 4 is the schematic perspective view under children trolley of the present utility model is in folded state;
wherein: 100, side stand; 1, front frame; 2, push rod; 3, after poppet; 4, seat bar; 5, pipe link; 6, sliding part (sliding sleeve); 7, unlock piece (trailing cable); 8, end cross assembly; 81, bottom supporting rod; 82, the first attaching parts; 83, the second attaching parts; 9, rear pole assembly; 10, rotating shaft; 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 Fig. 4, comprise the vehicle frame with deployed condition and folded state, the front component 20 being located at bottom of frame and wheel assembly 30, for vehicle frame being locked lockout mechanism in the deployed state.This vehicle frame comprise lay respectively at the left and right sides side stand 100, be located at strut assembly between both sides side stand 100.
shown in Fig. 1, Fig. 2, the side stand of every side includes front frame 1, push rod 2, after poppet 3, seat bar 4 and pipe link 5, and front component 20 is located at the bottom of front frame 1, and wheel assembly 30 is located at the bottom of after poppet 3.Seat bar 4 extends along the longitudinal direction, the front portion of seat bar 4 is connected on push rod 2 that its rear portion is connected on after poppet 3, the top of after poppet 3 is then connected on push rod 2, and seat bar 4, be connected to each other between push rod 2 and after poppet 3 formation one slider-crank mechanism, that is, between the front portion of seat bar 4 and push rod 2, between the rear portion of seat bar 4 and after poppet 3, the top of after poppet 3 with have a junction in these three junctions between push rod 2 for can relative sliding and to be rotatingly connected, two other junction is for being rotationally connected, like this, just a bar 4 can be made, push rod 2 and after poppet 3 form slider-crank mechanism.
in the present embodiment, the upper pivot of after poppet 3 is connected with a sliding part 6, and this sliding part 6 is located on push rod 2 along the length bearing of trend of push rod 2 slidably, and the front portion of seat bar 4 is pivotally connected on push rod 2, and the back pivot of seat bar 4 is connected on after poppet 3.Herein, what this sliding part 6 adopted is the sliding sleeve 6 be sheathed on slidably on push rod 2.
certainly, in other implementations, the anterior pivotal joint sliding part of bar 4 of also can being present, and being slided up and down along push rod 2 by this sliding part, adopts pivotal joint by between the top of after poppet 3 and push rod 2, between the rear portion of seat bar 4 and after poppet 3 simultaneously; Or the back pivot of present bar 4 connects sliding part, and this sliding part is slided up and down along after poppet 3, adopt pivotal joint by between the top of after poppet 3 and push rod 2, between the front portion of seat bar 4 and push rod 2 simultaneously, equal like this can making forms slider-crank mechanism between push rod 2, after poppet 3 and seat bar 4, and then the expansion realized between these three rod members and folding.
shown in each accompanying drawing, the top of front frame 1 is connected with the bottom phase pivot of push rod 2, and the provided at one of pipe link 5 is connected on front frame 1, and the other end pivotal joint of pipe link 5 is present on bar 4, like this, a four-bar linkage is formed between front frame 1, push rod 2, seat bar 4 and pipe link 5.Here, the rear end pivotal joint of pipe link 5 is present the medium position place of bar 4, and when vehicle frame launches, pipe link 5 is along the longitudinal direction between front frame 1 and after poppet 3.
shown in each accompanying drawing, strut assembly can transversely launch or be located at drawing between the side stand 100 of both sides, this strut assembly at least comprises end cross assembly 8, this end cross assembly 8 comprises and mutually intersecting and the bottom supporting rod 81 connected at infall phase pivot, the front end of bottom supporting rod 81 is connected on the push rod 2 of side by the first attaching parts 82 rotationally, and the rear end of this bottom supporting rod 81 is connected on the after poppet 3 of opposite side rotationally by the second attaching parts 83.Here, the front end of seat bar 4 is pivotally connected on push rod 2 by rotating shaft 10, and this rotating shaft 10 is positioned at above the first attaching parts 82 on push rod 2.Sliding part 6 is then positioned at above rotating shaft 10 on push rod 2.Strut assembly also comprises to be located between both sides after poppet 3 and can laterally to draw in and the rear pole assembly 9 launched, this rear pole assembly 9 can be the rear attached support component in the present embodiment, also can be the structure that other can realize horizontal spreading support and horizontal folding, its structure is not invention emphasis of the present utility model, repeats no more herein.
for vehicle frame locking lockout mechanism is in the deployed state comprised the locking piece (not shown) be located at slidably on sliding part 6, is located at auxiliary section (not shown) push rod 2 being used for match with above-mentioned locking piece, when lockout mechanism locks, locking piece matches with auxiliary section and makes that sliding part 6 is relative with push rod 2 to be locked; When lockout mechanism unlocks, locking piece departs from above-mentioned auxiliary section and sliding part 6 can be slided up and down by push rod 2 relatively.Concrete, above-mentioned locking piece and auxiliary section can adopt the fit form as lock pin and lockhole.Vehicle frame is also provided with the unlock piece 7 sliding to depart from auxiliary section for ordering about locking piece relative sliding part 6, herein, this unlock piece 7 is for being located at the trailing cable between two slide 6, the two ends of this trailing cable are connected with the locking piece of both sides respectively, when pulling this trailing cable, just can make to realize synchronizing unlocking between the sliding part 6 of both sides and push rod 2.
shown in Fig. 1, Fig. 2, Fig. 3, when vehicle frame is in deployed condition and lockout mechanism locks, push rod 2 is relative with sliding part 6 to be locked, and forms a triangular structure between push rod 2, seat bar 4 and after poppet 3; Front frame 1 and push rod 2 extend along same rectilinear direction, make to form another triangular structure between front frame 1, push rod 2, seat bar 4 and pipe link 5, end cross assembly 8 and rear pole assembly 9 are transversely deployed between the side stand 100 of both sides respectively, front component 20 and wheel assembly 30 common support are in ground, and vehicle frame is in stable deployed condition.Under this deployed condition, vehicle frame has good rigidity, and vehicle frame can not inside contract after bearing a heavy burden.
when vehicle frame folding gets up by needs, shown in Figure 3, first by the rear attached support component of rear pole assembly 9 along D to unblock, the side stand 100 of both sides can transversely be drawn close relatively; Then upwards carried unlock piece 7 to be unlocked by lockout mechanism, driven sliding part 6 relatively sliding on push rod 2, the upper end of after poppet 3 relatively push rod 2 is slided thereupon and is driven the rear end of seat bar 4 up, makes a bar 4 and after poppet 3 rotate relative to push rod 2 and draw close gradually; The rear end of pipe link 5 is up and drive front frame 1 push rod 2 relative to front component 20 to turn over seat bar 4, makes little by little relatively to draw close between front frame 1, push rod 2, pipe link 5 and seat bar 4; Meanwhile, the rear end of bottom supporting rod 81 is up and make the bottom supporting rod 81 of both sides mutually rotate and little by little draw close in left-right direction with after poppet 3, and rear attached support component 9 also transversely draws in thereupon, and this makes the side stand 100 of both sides little by little transversely draw in.Go-cart after folding as shown in Figure 4, is evenly positioned at the rear side of pipe link 5 together with now the front component 20 of both sides is drawn close mutually with the wheel assembly 30 of both sides.Go-cart overall volume after folding is little, is easy to deposit.
when go-cart launches to use by needs, then upwards pull push rod 2, make sliding part 6 along push rod 2 to downslide, like this, push rod 2, seat bar 4 and the slider-crank mechanism work that forms between after poppet 3 and sliding part 6 and push rod 2, seat bar 4 and after poppet 3 are launched gradually; The four-bar linkage formed between front frame 1, push rod 2, seat bar 4 and pipe link 5 launches gradually relatively, and front frame 1 drives the relative push rod 2 of front component 20 to overturn forward; Meanwhile, bottom supporting rod assembly 8 and rear pole assembly 9 also little by little transversely launch, and finally, after vehicle frame launches completely, rear pole assembly 9 locks and mutually locks between sliding part 6 and push rod 2, under stroller frame returns back to deployed condition.
to sum up, children trolley of the present utility model, its rod member quantity is few, simple for structure, and the vehicle frame after expansion has good rigidity, can not inside contract phenomenon when bearing a heavy burden; Carry unlock piece 7 again after only needing rear pole assembly 9 to unlock when folding sliding part 6 is unlocked, the each rod member on vehicle frame can be made to relatively rotate and little by little draw in together, vehicle frame front frame 1 when folding is turned over front component 20 and draws close mutually with each rod member of vehicle frame, vehicle frame overall volume after folding is less, be easy to deposit and carry, for the use of user brings facility.
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, the front component being located at described bottom of frame and wheel assembly, for described vehicle frame being locked lockout mechanism in the deployed state, described vehicle frame comprise lay respectively at the left and right sides side stand, be located at strut assembly described in both sides between side stand, it is characterized in that:
The described side stand of every side includes front frame, push rod, after poppet, seat bar and pipe link, described front component is located at the bottom of described front frame, described wheel assembly is located at the bottom of described after poppet, described seat bar extends along the longitudinal direction, the front portion of described seat bar is connected on described push rod that its rear portion is connected on described after poppet, the top of described after poppet is connected on described push rod, and described seat bar, be connected to each other between push rod and after poppet formation one slider-crank mechanism, the top of described front frame is connected with the bottom phase pivot of described push rod, the provided at one of described pipe link is connected on described front frame, the other end of described pipe link is pivotally connected on described seat bar, when described vehicle frame is in deployed condition, described front frame, push rod, triangular structure is formed between seat bar and pipe link, described seat bar, another triangular structure is formed between push rod and after poppet, when described vehicle frame is in folded state, described push rod, after poppet, seat bar and pipe link are drawn close mutually, and described pipe link drives described front frame and described front component to turn over.
2. children trolley according to claim 1, it is characterized in that: the upper pivot of described after poppet is connected with a sliding part, described sliding part is located on described push rod along the length bearing of trend of described push rod slidably, the front portion of described seat bar is pivotally connected on described push rod, and the back pivot of described seat bar is connected on described after poppet.
3. children trolley according to claim 2, it is characterized in that: described strut assembly transversely can launch or be located at drawing between the described side stand of both sides, described strut assembly at least comprises end cross assembly, cross assembly of the described end comprise intersect and infall phase pivot connect two foundation struts, the front end of described bottom supporting rod is connected on the described push rod of side rotationally, is connected on the described after poppet of opposite side the rear end thereof of described bottom supporting rod.
4. children trolley according to claim 3, it is characterized in that: the front end of described seat bar is pivotally connected on described push rod by rotating shaft, the front end of described bottom supporting rod is connected on described push rod by the first attaching parts rotationally, described rotating shaft is positioned at above described first attaching parts on described push rod, and described sliding part is located at the top of described rotating shaft.
5. children trolley according to claim 3, is characterized in that: described strut assembly also comprises being located at described in both sides and can laterally draw between after poppet and the rear pole assembly launched.
6. children trolley according to claim 2, is characterized in that: when described vehicle frame is in deployed condition, and described pipe link is along the longitudinal direction between described front frame and described after poppet.
7. children trolley according to claim 2, it is characterized in that: described lockout mechanism comprising the locking piece be located at slidably on described sliding part, being located at the auxiliary section for matching with described locking piece on described push rod, when described lockout mechanism is in the lock state, described locking piece matches with described auxiliary section and makes that described sliding part is relative with described push rod to be locked; When described lockout mechanism is in released state, described locking piece departs from described auxiliary section, described vehicle frame is also provided with and slides with the unlock piece departing from described auxiliary section for ordering about described locking piece.
8. children trolley according to claim 7, is characterized in that: described unlock piece is for being located at the trailing cable described in both sides between sliding part, and the two ends of described trailing cable are connected with the described locking piece of both sides respectively.
9. the children trolley according to claim 2 or 7 or 8, is characterized in that: described sliding part is be sheathed on the sliding sleeve on described push rod slidably.
10. children trolley according to claim 1, is characterized in that: when described vehicle frame is in folded state, with the described wheel assembly of both sides mutually evenly draws close rear side at described pipe link after turning over after the described front component of both sides.
CN201520257057.XU 2015-04-24 2015-04-24 Children trolley Active CN204713164U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106275036A (en) * 2016-08-31 2017-01-04 好孩子儿童用品有限公司 Folding trolley
CN106741094A (en) * 2016-12-01 2017-05-31 好孩子儿童用品有限公司 Children trolley

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106275036A (en) * 2016-08-31 2017-01-04 好孩子儿童用品有限公司 Folding trolley
CN106741094A (en) * 2016-12-01 2017-05-31 好孩子儿童用品有限公司 Children trolley

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