CN104290793A - Bidirectional folding stroller - Google Patents

Bidirectional folding stroller Download PDF

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Publication number
CN104290793A
CN104290793A CN201410421475.8A CN201410421475A CN104290793A CN 104290793 A CN104290793 A CN 104290793A CN 201410421475 A CN201410421475 A CN 201410421475A CN 104290793 A CN104290793 A CN 104290793A
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CN
China
Prior art keywords
wheel support
connecting rod
push rod
bar
pivot
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Granted
Application number
CN201410421475.8A
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Chinese (zh)
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CN104290793B (en
Inventor
王俊马
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201410421475.8A priority Critical patent/CN104290793B/en
Publication of CN104290793A publication Critical patent/CN104290793A/en
Application granted granted Critical
Publication of CN104290793B publication Critical patent/CN104290793B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a bidirectional folding stroller which comprises side supports on the two sides, a cross supporting frame and locking pieces. The locking pieces are used for locking a stroller frame in an unfolded state. Each side support comprises a front wheel support, a rear wheel support, a push rod and a seat rod extending in the front-and-back direction, the cross supporting frame is formed by rotatably connecting a first connecting rod and a second connecting rod in the middle, the upper ends of the rear wheel supports and the upper portions of the push rods are in rotating connection, the lower portions of the push rods can slide in the length extending direction of the front wheel supports and are arranged on the front wheel supports, the middles of the seat rods are in rotating connection with the front wheel supports, the rear ends of the seat rods are in rotating connection with the rear wheel supports, the upper end of the first connecting rod and the upper end of the second connecting rod are in rotating connection with the front ends of the seat rods on the two sides respectively, and the lower end of the first connecting rod and the lower end of the second connecting rod are in rotating connection with the lower portions of the front wheel supports on the two sides. The bidirectional folding stroller is simple, compact stable, and light in structure, convenient to fold, and small in folding size and can stand by itself after being folded.

Description

A kind of bi-directional folded children trolley
Technical field
the present invention relates to a kind of bi-directional folded children trolley.
Background technology
folding children's/bi-directional folded children trolley realizes mainly through arranging the stroller frame with open mode and folded state.In order to realize the function folded, the major part of composition stroller frame is as being mutually rotationally connected setting between the parts such as front-wheel support, rear wheel support, cushion rod, pulling handle rod, and concrete structure design is then varied.Target that person pursues that design is convenient folding, folding volume is little and cost is low children trolley is cart design is also the key making go-cart product have the market competitiveness simultaneously.
Summary of the invention
it is simple that technical matters to be solved by this invention is to provide a kind of folding operation, standing up after folding and the little bi-directional folded children trolley of volume.
for solving above technical matters, the present invention adopts following technical scheme:
a kind of bi-directional folded children trolley, comprise the trolley rack with deployed condition and folded state, front component and wheel assembly, trolley rack comprises the side stand being positioned at both sides, be located at the cross support between two side stands and trolley rack be locked in the locking piece of deployed condition, side stand comprises the front-wheel support that bottom is provided with described front component, bottom is provided with the rear wheel support of wheel assembly, push rod, the seat bar extended along the longitudinal direction, cross support to be rotated at middle part by first connecting rod and second connecting rod and connects and composes, it is characterized in that: the upper end of rear wheel support rotates with the top of push rod and is connected, the bottom of push rod can be slidably arranged on front-wheel support along the length bearing of trend of front-wheel support, rearward end and the rear wheel support of seat bar are rotationally connected, first connecting rod, the upper end of second connecting rod is rotationally connected with the leading section of the seat bar of both sides respectively, first connecting rod, the bottom of second connecting rod is connected with the lower rotational of the front-wheel support of both sides respectively, described seat bar is also rotationally connected with described front-wheel support.
further, parts in described push rod and front-wheel support two parts have hollow tube chamber, and another parts can be plugged in described hollow tube chamber slidably along its length direction.Concrete and the preferred aspect according to one, described front-wheel support has hollow tube chamber, and the bottom of push rod is plugged in the hollow tube chamber of front-wheel support slidably along its length direction.
further, described trolley rack also comprises handrail, and handrail is set in push rod and front-wheel support two parts by connector bushing and is provided with on the parts of hollow tube chamber.
further, described trolley rack also comprises the back support bar laying respectively at go-cart both sides, and the bottom pivotal joint of back support bar is present on bar.
preferably, described locking piece is arranged on for locking relative with front-wheel support for push rod between push rod with front-wheel support, and go-cart also comprises the unlock piece for unlocking locking piece.Locking piece is specifically arranged on front-wheel support usually, and unlock piece can be arranged on the parts outside front-wheel support, and being linked by trailing cable and locking piece is arranged.Unlock piece can for such as to unlock handle.In a detailed description of the invention, unlock piece is arranged on rear wheel support.
further, front-wheel support comprises front-wheel support main body and to be fixedly installed in front-wheel support main body and the connecting element extended along the longitudinal direction, and front component is arranged on the bottom of front-wheel support main body, is arranged in front-wheel support main body the lower slide of push rod; The rear portion of connecting element and seat bar are rotationally connected and the place of being rotationally connected is positioned at the rear of front-wheel support main body.
further, described push rod, rear wheel support to be rotated connection by the first pivot, seat bar, front-wheel support to be rotated connection by the second pivot, seat bar, rear wheel support is connected by the 3rd pivot, first connecting rod, second connecting rod is connected respectively by the 4th pivot with seat bar, first connecting rod, second connecting rod and front-wheel support are rotationally connected respectively by Wushu axle, first pivot, second pivot, 3rd pivot axis parallel is arranged, and all along the left and right directions horizontal-extending of go-cart, 4th pivot, the axis direction of Wushu axle is perpendicular to cross support place plane.
preferably, described trolley rack also comprises the rear pole assembly be arranged between the rear wheel support of both sides.Rear pole assembly the stability that further enhancing on the one hand vehicle frame is set, on the other hand, rear pole assembly serves the locking action to two side stands, prevents vehicle frame folding.
particularly, rear pole assembly comprises and is positioned at middle part after go-cart, the vertical connecting rod vertically extended, be successively set on the upper connecting base on vertical connecting rod from top to bottom, middle Connection Block and lower connecting base, the first cross bar that inner end is rotationally connected with relative two sides of upper connecting base respectively and the second cross bar, the 3rd cross bar that inner end is rotationally connected with relative two sides of lower connecting base respectively and the 4th cross bar, the first brace that upper end is rotationally connected with relative two sides of middle Connection Block respectively and the second brace, first cross bar, second cross bar, 3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end all rotates with the described rear wheel support of homonymy and is connected, first brace rotates with the 3rd cross bar and the 4th cross bar respectively with the bottom of the second brace and is connected.Preferably, lower connecting base is connected with solution lock handle.
preferably, when trolley rack is in deployed condition, front-wheel support and push rod extend along same length direction, form triangular structure between front-wheel support and push rod, rear wheel support, seat bar.
preferably, the side stand of both sides is symmetrical arranged.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
the present invention is simple for structure, compact, stable, light, simple to operate, folding convenient, the little and standing up after folding of folding volume, is easy to use and carry, deposit.
Accompanying drawing explanation
below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail:
fig. 1 is the schematic perspective view (deployed condition) according to children trolley of the present invention;
fig. 2 is the schematic front view (deployed condition) according to children trolley of the present invention;
fig. 3 is the schematic side view (deployed condition) according to children trolley of the present invention;
fig. 4 is the schematic side view (folded state) according to children trolley of the present invention;
wherein: 1, front component; 2, wheel assembly; 3, side stand; 30, front-wheel support main body; 31, rear wheel support; 32, push rod; 33, seat bar; 34, back support bar; 35, connecting element; 4, cross support; 40, first connecting rod; 42, second connecting rod; 5, rear pole assembly; 50, vertical connecting rod; 51, upper connecting base; 52, middle Connection Block; 53, lower connecting base; 54, the first cross bar; 55, the second cross bar; 56, the 3rd cross bar; 57, the 4th cross bar; 57, the first brace; 58, the second brace; 6, handrail; 7, paulin frame; 8, locking piece; 9, handle is unlocked; 10, trailing cable; 11, lock handle is separated; A, the first pivot; B, the second pivot; C, the 3rd pivot; D, Wushu axle; E, the 6th pivot.
Detailed description of the invention
as shown in Figures 1 to 4, this routine bi-directional folded children trolley comprises trolley rack, front component 1 and the wheel assembly 2 with deployed condition and folded state.
trolley rack comprises in both sides and symmetrically arranged side stand 3 and the cross support 4, rear pole assembly 5, handrail 6 and the paulin frame 7 that are arranged between two side stands 3.Cross support 4 to be rotated at middle part by first connecting rod 40 and second connecting rod 41 and connects and composes.
the rear wheel support 31 that side stand 3 comprises front-wheel support, bottom is provided with wheel assembly 2, push rod 32, the seat bar 33 extended along the longitudinal direction, back support bar 34.Front-wheel support comprises bottom and is provided with the front-wheel support main body 30 of front component 1 and is fixedly installed in front-wheel support main body 30 and the connecting element 35 extended along the longitudinal direction.Front-wheel support main body 30 has hollow tube chamber, and the bottom of push rod 32 is plugged in the hollow tube chamber of front-wheel support main body 30 slidably along its length direction.Handrail 6 is set in front-wheel support main body 30 regularly by connector bushing.Paulin frame 7 is fixedly mounted on the top of push rod 32 by paulin seat.Between front-wheel support main body 30 and push rod 32, being provided with the locking piece 8 for the two relatively being locked, rear wheel support 31 being provided with unblock handle 9, this unblock handle 9 and locking piece 8 are linked by trailing cable 10 and arrange, and operate unblock handle 9 and locking piece 8 can be made to unlock.The top of push rod 32 and the upper end of rear wheel support 31 are rotated by the first pivot A and are connected, the seat approximate mid-section of bar 33 and the rearward end of connecting element 35 are rotated by the second pivot B and to be connected and the place of being rotationally connected is positioned at the rear of front-wheel support main body 30, rearward end and the rear wheel support 31 of seat bar 33 are rotated by the 3rd pivot C and are connected, the leading section of the seat bar 33 of both sides rotates respectively by the upper end of the 4th pivot and first connecting rod 40 and second connecting rod 41 and is connected, the bottom of first connecting rod 40 and second connecting rod 41 then to rotate with the front-wheel support main body 30 of both sides respectively by Wushu axle D and is connected, one end of back support bar 34 and the rear portion of seat bar 33 are rotationally connected by the 6th pivot E.First pivot A, the second pivot B, the 3rd pivot C, the 6th pivot E be arranged in parallel, and all along the left and right directions horizontal-extending of go-cart, the axis direction of the 4th pivot, Wushu axle D is perpendicular to cross support 4 place plane.As shown in Figure 3, when trolley rack is in deployed condition, front-wheel support main body 30 and push rod 32 extend along same length direction, form triangular structure between front-wheel support main body 30 and push rod 32, rear wheel support 31, seat bar 33.
rear pole assembly 5 is conventional structure, specifically comprise and being positioned in the middle part of after go-cart, the vertical connecting rod 50 vertically extended, be successively set on the upper connecting base 51 on vertical connecting rod 50 from top to bottom, middle Connection Block 52 and lower connecting base 53, the first cross bar 54 and the second cross bar 55 that inner end is rotationally connected with relative two sides of upper connecting base 51 respectively, the 3rd cross bar 56 that inner end is rotationally connected with relative two sides of lower connecting base 53 respectively and the 4th cross bar 57, the first brace 58 and the second brace 59 that upper end is rotationally connected with relative two sides of middle Connection Block 52 respectively, first cross bar 54, second cross bar 55, 3rd cross bar 56 and the 4th cross bar 57 are all horizontally disposed with, and their outer end all rotates with the rear wheel support 31 of homonymy and is connected, first brace 58 rotates with the 3rd cross bar 56 and the 4th cross bar 57 respectively with the bottom of the second brace 59 and is connected.Lower connecting base 53 is connected with and separates lock handle 11.
this routine go-cart realizes folding by three turning points and a sliding bar, folding process is as follows: lock handle 11 is separated in operation, rear pole assembly 5 is unlocked, operation unlocks handle 9, by trailing cable 10, locking piece 8 is unlocked, now, mention handrail 6 to pull-up, the bottom of push rod 32 is along length direction slide downward in front-wheel support of front-wheel support, rear wheel support 31 is driven to rotate relative to push rod 32 and draw close to front-wheel support gradually, drive the rear portion opposing rear wheels support 31 of seat bar 33 to rotate and the middle part of seat bar 33 is rotated relative to connecting element 35 simultaneously, make the front portion of a bar 33 is turned over and draws close to rear wheel support 31 backwards, seat bar 33 turn over and drive cross support 4 and rear pole assembly 5 to shrink, make go-cart lateral contraction, both sides side stand 3 is drawn close.As shown in Figure 4, mutually draw close between front-wheel support, push rod 32, rear wheel support 31, seat bar 33 draws between front-wheel support and rear wheel support 31, compact conformation, small volume in go-cart after folding.
in the trolley rack of above-described embodiment, also can be set to push rod 32 and there is hollow tube chamber, and the top of front-wheel support main body 30 can be plugged in the hollow tube chamber of push rod 32 along its length direction slidably, be located on push rod 32 by handrail 6, this can realize folding and spreading principle same as the previously described embodiments equally simultaneously.
as mentioned above, cart structure of the present invention is succinct, compact, stable, light, simple to operate, folding convenient, the little and standing up after folding of folding volume, is easy to use and carry, deposit.
above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.

Claims (10)

1. a bi-directional folded children trolley, comprise the trolley rack with deployed condition and folded state, front component and wheel assembly, described trolley rack comprises the side stand being positioned at both sides, be located at the cross support between two side stands and trolley rack be locked in the locking piece of deployed condition, described side stand comprises the front-wheel support that bottom is provided with described front component, bottom is provided with the rear wheel support of described wheel assembly, push rod, the seat bar extended along the longitudinal direction, described cross support to be rotated at middle part by first connecting rod and second connecting rod and connects and composes, it is characterized in that: the upper end of described rear wheel support rotates with the top of described push rod and is connected, the bottom of described push rod can be slidably arranged on described front-wheel support along the length bearing of trend of described front-wheel support, rearward end and the described rear wheel support of described seat bar are rotationally connected, described first connecting rod, the upper end of second connecting rod is rotationally connected with the leading section of the seat bar of both sides respectively, described first connecting rod, the bottom of second connecting rod is connected with the lower rotational of the front-wheel support of both sides respectively, described seat bar is also rotationally connected with described front-wheel support.
2. bi-directional folded children trolley according to claim 1, is characterized in that: parts in described push rod and described front-wheel support two parts have hollow tube chamber, and another parts can be plugged in described hollow tube chamber slidably along its length direction.
3. bi-directional folded children trolley according to claim 2, is characterized in that: described front-wheel support has hollow tube chamber, the bottom of described push rod is plugged in the hollow tube chamber of described front-wheel support slidably along its length direction.
4. bi-directional folded children trolley according to claim 2, it is characterized in that: described trolley rack also comprises handrail and lays respectively at the back support bar of go-cart both sides, described handrail is set in by connector bushing and is provided with on the parts of hollow tube chamber in described push rod and front-wheel support two parts, and the bottom of described back support bar is pivotally connected on described seat bar.
5. bi-directional folded children trolley according to claim 1, it is characterized in that: described locking piece is arranged between described push rod with described front-wheel support for locking relative with front-wheel support for described push rod, described go-cart also comprises the unlock piece for unlocking described locking piece, this unlock piece is arranged on the parts outside described front-wheel support, and being linked by trailing cable and described locking piece is arranged.
6. bi-directional folded children trolley according to claim 1, it is characterized in that: described front-wheel support comprises front-wheel support main body and to be fixedly installed in described front-wheel support main body and the connecting element extended along the longitudinal direction, described front component is arranged on the bottom of described front-wheel support main body, is arranged in described front-wheel support main body the lower slide of described push rod; The rear portion of described connecting element and described seat bar are rotationally connected and the place of being rotationally connected is positioned at the rear of described front-wheel support main body.
7. bi-directional folded children trolley according to claim 1, it is characterized in that: described push rod, described rear wheel support to be rotated connection by the first pivot, described seat bar, described front-wheel support to be rotated connection by the second pivot, described seat bar, described rear wheel support is connected by the 3rd pivot, described first connecting rod, second connecting rod is connected respectively by the 4th pivot with described seat bar, described first connecting rod, second connecting rod and front-wheel support are rotationally connected respectively by Wushu axle, described first pivot, second pivot, 3rd pivot axis parallel is arranged, and all along the left and right directions horizontal-extending of go-cart, described 4th pivot, the axis direction of Wushu axle is perpendicular to cross support place plane.
8. bi-directional folded children trolley according to claim 1, is characterized in that: described trolley rack also comprises the rear pole assembly be arranged between the rear wheel support of both sides.
9. bi-directional folded children trolley according to claim 8, it is characterized in that: described rear pole assembly comprises and is positioned at middle part after go-cart, the vertical connecting rod vertically extended, be successively set on the upper connecting base on described vertical connecting rod from top to bottom, middle Connection Block and lower connecting base, the first cross bar that inner end is rotationally connected with relative two sides of described upper connecting base respectively and the second cross bar, the 3rd cross bar that inner end is rotationally connected with relative two sides of described lower connecting base respectively and the 4th cross bar, the first brace that upper end is rotationally connected with relative two sides of described middle Connection Block respectively and the second brace, the first described cross bar, second cross bar, 3rd cross bar and the 4th cross bar are all horizontally disposed with, and their outer end all rotates with the described rear wheel support of homonymy and is connected, the first described brace rotates with the 3rd described cross bar and the 4th cross bar respectively with the bottom of the second brace and is connected.
10. bi-directional folded children trolley according to claim 1, it is characterized in that: when trolley rack is in deployed condition, described front-wheel support and described push rod extend along same length direction, form triangular structure between described front-wheel support and described push rod, described rear wheel support, described seat bar.
CN201410421475.8A 2014-08-25 2014-08-25 Bidirectional folding stroller Active CN104290793B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104670291A (en) * 2015-03-04 2015-06-03 好孩子儿童用品有限公司 Baby stroller
CN106882217A (en) * 2017-02-24 2017-06-23 好孩子儿童用品有限公司 A kind of children trolley
CN112429070A (en) * 2020-12-07 2021-03-02 东莞金旺儿童用品有限公司 Children's barrow frame

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Publication number Priority date Publication date Assignee Title
GB1584110A (en) * 1977-03-31 1981-02-04 Cabagnero Ramon Jane Folding push-chairs
US5221106A (en) * 1992-04-23 1993-06-22 Louis Shamie Tandem seat umbrella stroller
US20120049485A1 (en) * 2010-08-26 2012-03-01 Michael Lin Folding perambulator
CN202923695U (en) * 2012-11-06 2013-05-08 昆山易仕宝儿童用品有限公司 Self-standing foldable frame of baby carrier
CN203032732U (en) * 2012-12-31 2013-07-03 好孩子儿童用品有限公司 Stroller for infants
CN103434555A (en) * 2013-08-07 2013-12-11 好孩子儿童用品有限公司 Folding trolley
CN203528548U (en) * 2013-08-07 2014-04-09 好孩子儿童用品有限公司 Foldable carriage
CN103802876A (en) * 2012-11-06 2014-05-21 昆山易仕宝儿童用品有限公司 Self-standing foldable baby carriage frame
CN203637901U (en) * 2013-11-26 2014-06-11 中山市盛加塑料制品有限公司 Integrally-interlocked foldable baby carrier
CN203727444U (en) * 2014-03-12 2014-07-23 区广铨 Standing foldable three wheeled cart for children
CN204055905U (en) * 2014-08-25 2014-12-31 好孩子儿童用品有限公司 A kind of bi-directional folded children trolley

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1584110A (en) * 1977-03-31 1981-02-04 Cabagnero Ramon Jane Folding push-chairs
US5221106A (en) * 1992-04-23 1993-06-22 Louis Shamie Tandem seat umbrella stroller
US20120049485A1 (en) * 2010-08-26 2012-03-01 Michael Lin Folding perambulator
CN202923695U (en) * 2012-11-06 2013-05-08 昆山易仕宝儿童用品有限公司 Self-standing foldable frame of baby carrier
CN103802876A (en) * 2012-11-06 2014-05-21 昆山易仕宝儿童用品有限公司 Self-standing foldable baby carriage frame
CN203032732U (en) * 2012-12-31 2013-07-03 好孩子儿童用品有限公司 Stroller for infants
CN103434555A (en) * 2013-08-07 2013-12-11 好孩子儿童用品有限公司 Folding trolley
CN203528548U (en) * 2013-08-07 2014-04-09 好孩子儿童用品有限公司 Foldable carriage
CN203637901U (en) * 2013-11-26 2014-06-11 中山市盛加塑料制品有限公司 Integrally-interlocked foldable baby carrier
CN203727444U (en) * 2014-03-12 2014-07-23 区广铨 Standing foldable three wheeled cart for children
CN204055905U (en) * 2014-08-25 2014-12-31 好孩子儿童用品有限公司 A kind of bi-directional folded children trolley

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104670291A (en) * 2015-03-04 2015-06-03 好孩子儿童用品有限公司 Baby stroller
CN104670291B (en) * 2015-03-04 2017-10-10 好孩子儿童用品有限公司 Children trolley
CN106882217A (en) * 2017-02-24 2017-06-23 好孩子儿童用品有限公司 A kind of children trolley
CN112429070A (en) * 2020-12-07 2021-03-02 东莞金旺儿童用品有限公司 Children's barrow frame

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