CN103802877A - Foldable baby carriage - Google Patents

Foldable baby carriage Download PDF

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Publication number
CN103802877A
CN103802877A CN201310530399.XA CN201310530399A CN103802877A CN 103802877 A CN103802877 A CN 103802877A CN 201310530399 A CN201310530399 A CN 201310530399A CN 103802877 A CN103802877 A CN 103802877A
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CN
China
Prior art keywords
cam
seat
foldable
actuator
engagement piece
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.)
Granted
Application number
CN201310530399.XA
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Chinese (zh)
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CN103802877B (en
Inventor
罗伯特·E·奥
赖安·N·米勒
安德鲁·J·泰勒
安德鲁·J·R·霍斯特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wonderland Nurserygoods Co Ltd Hong Kong
Original Assignee
Wonderland Nurserygoods Co Ltd Hong Kong
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Filing date
Publication date
Priority to US201261796301P priority Critical
Priority to US61/796,301 priority
Application filed by Wonderland Nurserygoods Co Ltd Hong Kong filed Critical Wonderland Nurserygoods Co Ltd Hong Kong
Publication of CN103802877A publication Critical patent/CN103802877A/en
Application granted granted Critical
Publication of CN103802877B publication Critical patent/CN103802877B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a foldable baby carriage which comprises a frame. The frame comprises a hand pushing rod, a front leg pipe, a back leg pipe, a front wheel, a back wheel and a seat pipe. The end of the hand pushing rod are respectively pivoted with one end of each of the front leg pipe and the back leg pipe through a pivoting base which is fixed on the hand pushing rod. A sliding snapping mechanism is arranged between the end of the hand pushing rod and the end of the front leg pipe. The sliding snapping mechanism comprises the components of: a snapping member which is used for snapping with the pivoting base, a cam which interferes with the snapping member, and a driving member which is used for driving the cam. When the driving member is driven, the cam rotates, thereby driving the snapping member to slide and disengage from the pivoting base. The foldable baby carriage provided by the invention has advantages of safe locking and convenient unlocking. The foldable baby carriage satisfies user requirements.

Description

Foldable pushchair
Technical field
The present invention relates to a kind of perambulator, relate in particular to a kind of locked secure, release the lock Foldable pushchair easily.
Background technology
Along with being widely used of baby carrying vehicle, people are also more and more higher to the Functional Requirement of baby carrying vehicle.Not only wish that baby carrying vehicle makes baby's safety that feels comfortably cool in use, but also wish in not using can be attractive in appearance, save space, convenient for collecting.
For example, existing perambulator generally all has folder function, and in the time not using, its vehicle frame body is collapsible, and hand push handle also can bend downwards, is supported on ground and hand barrow is stand shape, thereby save space, be convenient to storage.For this reason, on the vehicle frame of traditional perambulator, be provided with multiple pivots and make whole vehicle frame folding, but these pivot quantity are many, complex structure, user operates very inconvenient, and these pivot location are insecure in the time that perambulator is located, thereby easily due to maloperation, automatic release the lock causes safety problem; In addition,, in the time of palpus stroller, the release the lock of these pivots operates the complicated inconvenience that also seems.
So urgently locked secure, a release the lock Foldable pushchair easily, to overcome above defect.
Summary of the invention
One object of the present invention is to provide a kind of locked secure, release the lock Foldable pushchair easily.
For achieving the above object, the invention provides a kind of Foldable pushchair, comprise vehicle frame, described vehicle frame comprises a handspike, a front foot pipe, a rear foot tube, a front-wheel, a trailing wheel and a seat tubes, the end of described handspike by the pivot connecting seat that is fixed thereon respectively with an end pivot joint of described front foot pipe and described rear foot tube.Between the end of described handspike and the end of described front foot pipe, be provided with the mechanism that is slidably fastened, described in be slidably fastened mechanism comprise an engagement piece in order to fasten with described pivot connecting seat, with a cam of described engagement piece interference and for driving an actuator of described cam; When driving when described actuator, described cam rotates, thereby drives described engagement piece to slide and depart from from described pivot connecting seat.
Compared with prior art, the handspike of Foldable pushchair of the present invention, front foot pipe, rear foot tube are realized connecting rod by pivot connecting seat and are rotated, and in the time of folding bicycle frame, this connecting rod mechanism can make the major part folding of vehicle frame.In addition, between handspike and front foot pipe, be provided with the mechanism that is slidably fastened, engagement piece and pivot connecting seat by this mechanism that is slidably fastened fasten, cam and engagement piece interference coordinate, in the time driving actuator, cam rotates, thereby drive engagement piece slides and departs from from pivot connecting seat, and then by folding of baby.Adopt the interference fit of cam and engagement piece and realize the lock mode of interlock, lock reliable and secure, release the lock convenient.
As a preferred embodiment, one end of described cam is articulated in the inwall of described front foot pipe, and the other end of described cam forms a free end, described free-ended cam face and described engagement piece interference, and described free end is connected with described actuator.
Preferably, described engagement piece is provided with to accommodate a free-ended accepting groove of described cam, the basal surface of described accepting groove and described free-ended cam face interference.
As another preferred embodiment, the end of described engagement piece is provided with a protrusion, and described pivot connecting seat offers a recess in the position of the described protrusion of correspondence, to fasten with described protrusion.
Preferably, certain on the free-ended cam face of described actuator and described cam is connected.
Preferably, the quantity of described actuator is one, one end of described actuator is connected with the cam face of the described cam of a side, the other end of described actuator is connected with the cam face of the described cam of opposite side, described actuator cross at two described between front foot pipe, and be provided with for user and operate an operating portion.
Preferably, described actuator is a flexible rope or a flexible braid belt.
As another preferred embodiment, described in the mechanism that is slidably fastened also comprise the spring arranging along the direction of slip of described engagement piece, one end of described spring is fixed in described front foot pipe, the other end of described spring is resisted against on described engagement piece.
As an optional embodiment, also comprise a service plate, the end of described service plate is rotationally connected by an articulated part and described seat tubes.
Preferably, an end of described seat tubes and described pivot connecting seat pivot joint.
As another optional embodiment, also comprise back support bar, the end of described back support bar and described seat tubes pivot joint, described rear foot tube is provided with a backrest and adjusts supporting seat to support described back support bar.
Preferably, described backrest adjustment supporting seat is provided with the groove of multiple diverse locations, is fixedly connected with a back-up block to fasten with described groove in described back support bar.
Preferably, described backrest is adjusted supporting seat and is had a perforate, and in the time of described back support bar folding, described back-up block departs from described backrest from described perforate and adjusts supporting seat.
As another preferred embodiment, also comprise the upright support being articulated with described vehicle frame, in the time that described vehicle frame folding is vertical, described upright support is supported in ground.
Preferably, described upright support has a support end, and described support end is provided with a pulley.
Preferably, have a pair of described front foot pipe and a pair of described rear foot tube, be provided with a stretcher between described front foot pipe, between a described rear foot tube, be provided with a connecting rod, described upright support is arranged between described stretcher and described connecting rod across ground.
Preferably, described upright support has the first part and the Part II that are articulated, and in the time folding or launch described perambulator, described first part and a described Part II are pivoted relative to each other.
Accompanying drawing explanation
Fig. 1 is the block diagram of an embodiment of Foldable pushchair of the present invention.
Fig. 2 is the lateral plan of the Foldable pushchair shown in Fig. 1.
Fig. 3 a is the partial exploded view of the Foldable pushchair shown in Fig. 1, and it has shown the mechanism that is slidably fastened.
Fig. 3 b is the exploded drawings of be slidably fastened mechanism and the pivot connecting seat of Fig. 3 a.
Fig. 3 c is the exploded drawings of the mechanism that is slidably fastened of Fig. 3 a.
Fig. 4 a is that the front foot pipe of the Foldable pushchair shown in Fig. 1 and handspike are at the schematic diagram of mechanism lock timing that is slidably fastened.
Fig. 4 b is the front foot pipe shown in Fig. 4 a and the schematic diagram of handspike in the time being slidably fastened mechanism's release the lock.
Fig. 5 is the partial enlarged drawing of the Foldable pushchair shown in Fig. 1, and it has shown the annexation between service plate and seat tubes.
Fig. 6 is back support bar and the partial view of rear foot tube in the time that perambulator launches of the Foldable pushchair shown in Fig. 1, and it has shown the fastening state of back support bar and rear foot tube.
Fig. 7 is the folded state diagram of the Foldable pushchair shown in Fig. 1.
The specific embodiment
Set forth below with reference to the accompanying drawings the several different most preferred embodiments of the present invention, wherein in different figure, identical label represents identical parts.Below in conjunction with accompanying drawing, elaborate embodiments of the invention.
As shown in Figure 1-2, essence of the present invention is providing a kind of Foldable pushchair 1, it comprises vehicle frame 10 and is configured in the various fabrics (omitting in figure) on vehicle frame, and the roughly framework of this vehicle frame 10 is made up of handspike 101, a pair of front foot pipe 102, a pair of rear foot tube 103, a pair of front-wheel 104, pair of rear wheels 105 and seat tubes 106.Two ends of handspike 101 by the pivot connecting seat 110 that is fixed thereon respectively with each front foot pipe 102 and an end of each rear foot tube 103 and an end pivot joint of seat tubes 106, between each end of this handspike 101 and the end of each front foot pipe 102, be provided with the 200(of mechanism that is slidably fastened and please refer to Fig. 3 a), this mechanism 200 that is slidably fastened comprise the engagement piece 210 that fastens with pivot connecting seat 110, with the cam 220 of engagement piece 210 interferences and for driving the actuator 230 of cam 220.While driving this actuator 230, this cam 220 rotates, thereby drive engagement piece 210 slides and departs from from pivot connecting seat 110, and then by folding perambulator 1.Adopt the interference fit of cam 220 and engagement piece 210 and realize the lock mode of interlock, lock reliable and secure, release the lock convenient.
Below in conjunction with Fig. 3 a-3c, 4a-4b, the mechanism 200 that is slidably fastened of Foldable pushchair 1 of the present invention is elaborated.This mechanism 200 that is slidably fastened is arranged in front foot pipe 102 and is connected with front foot pipe 102, particularly, is provided with to install the adapter plate 1021 of this mechanism 200 that is slidably fastened at the inwall of front foot pipe 102.As above in one's power, this mechanism 200 that is slidably fastened comprises the engagement piece 210 that fastens with the pivot connecting seat 110 being fixed on handspike 101, with the cam 220 of engagement piece 210 interferences and for driving, the actuator 230(of cam 220 please refer to Fig. 1).Particularly, the end of this engagement piece 210 is provided with protrusion 211, and pivot connecting seat 110 is offering recess 111 to fasten with protrusion 211 to position that should protrusion 211, thereby realizes the locking between front foot pipe 102 and handspike 101.Preferably, this cam 220 is roughly half moon, its one end by ship and resell on another market 1022 or other attaching parts be articulated on the adapter plate 1021 of inwall of front foot pipe 102, the other end forms free end, this free-ended cam face and engagement piece 210 interferences, and free end is connected with actuator 230, and certain being preferably on free-ended cam face is connected with actuator, this kind be arranged so that after actuator is activated, and the free end of cam 220 pin 1022 that can rotate rotates.Preferably, this engagement piece 210 is rectangular frame shape roughly, which is provided with to accommodate the free-ended accepting groove 212 of cam 220.These accepting groove 212 left and right connect, and run transverse through this accepting groove 212 for cam 220, make the inconsistent interference of free-ended cam face of basal surface and the cam 220 of accepting groove 212.
Preferably, this actuator 230 is flexible rope or flexible braid belt.Alternatively, the quantity of this actuator 230 is one or two.In the situation that actuator 230 is one (shown in Fig. 1), utilize the mechanism 200 that is slidably fastened of rope control vehicle frame 10 both sides.Particularly, one end of rope is connected with the cam face of the cam 220 of a side, the other end is connected with the cam face of the cam 220 of opposite side, the middle part of rope crosses between two front foot pipe 102 and is provided with the operating portion for user's operation, and for example this operating portion is arranged on seat top and sentences convenient operation.When operator is upwards when stretched operation portion, two ends of rope are rotated down with the free end of moving cam 220, due to the free-ended cam face of cam 220 and engagement piece 210 inconsistent, therefore engagement piece 210 down sliding under the turning effort of cam 220, thus make the protrusion 211 of engagement piece 210 go out to depart from from the recess 111 of pivot connecting seat 110.In the time that actuator is two, utilize two ropes to control respectively the mechanism 200 that is slidably fastened of both sides, one end of each rope cam face corresponding with it is connected, and the other end of each actuator is the operating side for user's operation.
As a preferred embodiment, for engagement piece 210 can be automatically reset, this mechanism 200 that is slidably fastened also comprises the spring 240 arranging along the direction of slip of engagement piece 210, and one end of this spring 240 is fixed in front foot pipe 102, and the other end of spring 240 is resisted against engagement piece 210.Particularly, the passage that this engagement piece 210 is provided with up/down perforation below relative accepting groove 212 is to hold this spring 240.
As shown in Figure 5, the seat tubes 106 of Foldable pushchair 1 is pivotally attached in front foot pipe 102 by a hinge device 120.Preferably, this Foldable pushchair 1 also comprises a service plate 107, and the end of this service plate 107 is by being connected to the bracket 121 on seat tubes 106 ends, and is articulated in the articulated part 122 between bracket 121 and service plate 107 and is rotatably connected with seat tubes 106.When seat tubes 106 is during with vehicle frame 10 folding, service plate 107 is folding thereupon also.
As a preferred embodiment, as Fig. 6 shows, this Foldable pushchair 1 also comprises back support bar 108, and the end of this back support bar 108 and seat tubes 106 pivot joints make its folding with seat tubes 106 and folding.Preferably, the rear foot tube 103 of this Foldable pushchair 1 is provided with a backrest and adjusts supporting seat 130 to support this back support bar 108.Particularly, this backrest is adjusted the perforate 132 that supporting seat 130 is provided with the groove 131 of multiple diverse locations and is connected with this groove 131, in back support bar 108, be fixedly connected with back-up block 1081 to fasten with one groove 131, thereby 1081 of this back-up blocks depart from this backrest adjustment supporting seat 130 from perforate 132 disengaging grooves 131 in the time of back support bar 108 folding.
Please refer to Fig. 1,2 and Fig. 7, for making Foldable pushchair 1 can stand upright on ground after folding, this Foldable pushchair 1 is also provided with the upright support 109 being articulated with described vehicle frame 10, this upright support 109 is arranged between stretcher 102a and trailing wheel connecting rod 105a across ground, and this upright support 109 comprises the Part I 109a and the Part II 109b that are articulated.In the time folding or launch perambulator 1, first part 109a and Part II 109b are pivoted relative to each other.In the time that Foldable pushchair 1 stands on ground during in folding, the support end of the Part I 109a of this upright support 109 supports on the ground, forms the strong point, thereby forms leg-of-mutton stable support structure with front-wheel 104, trailing wheel 105.It should be noted that this upright support 109 can be arranged on other connecting rod of vehicle frame 10, is not limited to this embodiment.
Preferably, for convenience of carrying, can on the support end of upright support 109a, pulley be set.
Alternatively, this upright support 109 can be made up of injection plastic, metal tube or combined material.
Handspike 101, front foot pipe 102, rear foot tube 103 and the seat tubes 106 of Foldable pushchair 1 of the present invention realizes four connecting rods by pivot connecting seat 110 and rotates, and in the time of folding bicycle frame 10, this four-bar linkage can make the major part folding of vehicle frame 10.In addition, between handspike 101 and front foot pipe 102, be provided with the mechanism 200 that is slidably fastened, fasten by engagement piece 210 and the pivot connecting seat 110 of this mechanism 200 that is slidably fastened, cam 220 and engagement piece 210 interferences.In the time of actuator 230 power cam 220, cam 220 rotates, thereby drive engagement piece 210 slides and departs from from pivot connecting seat 110, and then by folding perambulator 1.Adopt the interference fit of cam 220 and engagement piece 210 and realize the lock mode of interlock, lock reliable and secure, release the lock convenient.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.

Claims (17)

1. a Foldable pushchair, comprise vehicle frame, described vehicle frame comprises a handspike, a front foot pipe, a rear foot tube and a seat tubes, the end of described handspike by the pivot connecting seat that is fixed thereon respectively with an end pivot joint of described front foot pipe and described rear foot tube, it is characterized in that: between the end of described handspike and the end of described front foot pipe, be provided with the mechanism that is slidably fastened, described in be slidably fastened mechanism comprise an engagement piece in order to fasten with described pivot connecting seat, with a cam of described engagement piece interference and for driving an actuator of described cam;
When driving when described actuator, described cam rotates, thereby drives described engagement piece to slide and depart from from described pivot connecting seat.
2. Foldable pushchair as claimed in claim 1, it is characterized in that: one end of described cam is articulated in the inwall of described front foot pipe, the other end of described cam forms a free end, described free-ended cam face and described engagement piece interference, and described free end is connected with described actuator.
3. Foldable pushchair as claimed in claim 2, is characterized in that: described engagement piece is provided with to accommodate a free-ended accepting groove of described cam, the basal surface of described accepting groove and described free-ended cam face interference.
4. Foldable pushchair as claimed in claim 1, is characterized in that: the end of described engagement piece is provided with a protrusion, and described pivot connecting seat offers a recess in the position of the described protrusion of correspondence, to fasten with described protrusion.
5. Foldable pushchair as claimed in claim 2, is characterized in that: certain on the free-ended cam face of described actuator and described cam is connected.
6. Foldable pushchair as claimed in claim 5, it is characterized in that: the quantity of described actuator is one, one end of described actuator is connected with the cam face of the described cam of a side, the other end of described actuator is connected with the cam face of the described cam of opposite side, described actuator cross at two described between front foot pipe, and be provided with the operating portion for user's operation.
7. Foldable pushchair as claimed in claim 1, is characterized in that: described actuator is a flexible rope or a flexible braid belt.
8. Foldable pushchair as claimed in claim 1, it is characterized in that: described in the mechanism that is slidably fastened also comprise the spring arranging along the direction of slip of described engagement piece, one end of described spring is fixed in described front foot pipe, and the other end of described spring is resisted against on described engagement piece.
9. Foldable pushchair as claimed in claim 1, is characterized in that: also comprise a service plate, described service plate is rotationally connected by an articulated part and described seat tubes.
10. Foldable pushchair as claimed in claim 1, is characterized in that: an end of described seat tubes and described pivot connecting seat pivot joint.
11. Foldable pushchairs as claimed in claim 1, is characterized in that: also comprise back support bar, and the end of described back support bar and described seat tubes pivot joint, described rear foot tube is provided with a backrest and adjusts supporting seat to support described back support bar.
12. Foldable pushchairs as claimed in claim 11, is characterized in that: described backrest adjustment supporting seat is provided with the groove of multiple diverse locations, is fixedly connected with a back-up block to fasten with described groove in described back support bar.
Foldable pushchair described in 13., is characterized in that: described backrest is adjusted supporting seat and had a perforate, and in the time of described back support bar folding, described back-up block departs from described backrest from described perforate and adjusts supporting seat.
14. Foldable pushchairs as claimed in claim 1, is characterized in that: also comprise the upright support being articulated with described vehicle frame, in the time that described vehicle frame folding is vertical, described upright support is supported in ground.
15. Foldable pushchairs as claimed in claim 14, is characterized in that: described upright support has a support end, and described support end is provided with a pulley.
16. Foldable pushchairs as claimed in claim 14, it is characterized in that: there is a pair of described front foot pipe and a pair of described rear foot tube, between described front foot pipe, be provided with a stretcher, between a described rear foot tube, be provided with a connecting rod, described upright support is arranged between described stretcher and described connecting rod across ground.
17. Foldable pushchairs as claimed in claim 16, is characterized in that: described upright support has the first part and the Part II that are articulated, and in the time folding or launch described perambulator, described first part and a described Part II are pivoted relative to each other.
CN201310530399.XA 2012-11-07 2013-10-31 Foldable pushchair Active CN103802877B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201261796301P true 2012-11-07 2012-11-07
US61/796,301 2012-11-07

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CN103802877A true CN103802877A (en) 2014-05-21
CN103802877B CN103802877B (en) 2016-01-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103600759A (en) * 2013-11-26 2014-02-26 中山市盛加塑料制品有限公司 Foldable stroller
US9908551B2 (en) 2015-09-02 2018-03-06 Artsana USA, Inc Travel stroller folding and latch mechanism
CN110386178A (en) * 2018-04-17 2019-10-29 育晋兴业股份有限公司 Carriage for baby vehicle frame folds standing device
CN110920738A (en) * 2018-09-19 2020-03-27 明门瑞士股份有限公司 Rotary safety mechanism and seat with same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244228A (en) * 1992-02-08 1993-09-14 Sunshon Molding Co., Ltd. Collapsible device for a baby carriage
US6238125B1 (en) * 1999-04-28 2001-05-29 Kao-Hsien Lin Structure of a joint for bracing rods of a baby stroller
CN2764691Y (en) * 2004-12-10 2006-03-15 陈明泽 Folding structure of baby carriage
CN201021304Y (en) * 2007-02-12 2008-02-13 好孩子儿童用品有限公司 Baba carrier
CN201784648U (en) * 2010-07-29 2011-04-06 好孩子儿童用品有限公司 Locking mechanism on baby carrier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244228A (en) * 1992-02-08 1993-09-14 Sunshon Molding Co., Ltd. Collapsible device for a baby carriage
US6238125B1 (en) * 1999-04-28 2001-05-29 Kao-Hsien Lin Structure of a joint for bracing rods of a baby stroller
CN2764691Y (en) * 2004-12-10 2006-03-15 陈明泽 Folding structure of baby carriage
CN201021304Y (en) * 2007-02-12 2008-02-13 好孩子儿童用品有限公司 Baba carrier
CN201784648U (en) * 2010-07-29 2011-04-06 好孩子儿童用品有限公司 Locking mechanism on baby carrier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103600759A (en) * 2013-11-26 2014-02-26 中山市盛加塑料制品有限公司 Foldable stroller
CN103600759B (en) * 2013-11-26 2016-06-01 中山盛加儿童用品有限公司 A kind of folding perambulator
US9908551B2 (en) 2015-09-02 2018-03-06 Artsana USA, Inc Travel stroller folding and latch mechanism
CN110386178A (en) * 2018-04-17 2019-10-29 育晋兴业股份有限公司 Carriage for baby vehicle frame folds standing device
CN110920738A (en) * 2018-09-19 2020-03-27 明门瑞士股份有限公司 Rotary safety mechanism and seat with same

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