CN205836892U - A kind of perambulator folding self-support - Google Patents

Abstract

The utility model discloses a kind of perambulator folding self-support, including front foot lever, rear foot lever, pushing hands bar and seat bar, described pushing hands bar is hinged on described rear foot masthead portion, and pushing hands bar includes the main part being positioned on rear side of rear foot lever and is positioned at the first extension on front side of rear foot lever；Described front foot lever is hinged in the middle part of rear foot lever, and front foot lever includes the main part being positioned on front side of rear foot lever and is positioned at the second extension on rear side of rear foot lever；Described seat bar is hinged between the first extension and the second extension.This utility model has the advantage that rod member intersects design, is connected with each other reinforcement, promotes the stability of vehicle frame while forming the convenient quadric chain folded；Fold mechanism is less, and the quadric chain volume formed by extension is less, it is not easy to tong gap occur, safer；Compact conformation, is connected with each other by the extension of rod member, need not arrange unnecessary STATEMENT OF FEDERALLY SPONSORED, and vehicle frame weight is less, and intensity is more preferable.

Description

A kind of perambulator folding self-support

Technical field

This utility model relates to articles for children field, particularly relates to a kind of perambulator folding self-support.

Background technology

Perambulator is a kind of to provide tool car that is convenient and that design for baby's outdoor activities, is that baby likes most The stroll vehicles, requirement when mother goes shopping with baby especially.Along with productive life Progressive, getting more and more of stroller use scene also.

The Chinese patent literature of Publication No. CN101544242 discloses a kind of foldable baby carriage, belongs to Fold mechanism technical field of structures.A kind of foldable baby carriage, including push rod and bottom with wheel Front-wheel support and rear wheel support, be characterised by that front-wheel support and rear wheel support are by spider and top Push rod is flexibly connected, and is flexibly connected with base rear end by collateral support, in the middle part of front-wheel support in the middle part of push rod Being flexibly connected with pan frontward end, rear wheel support is flexibly connected with in the middle part of base by rear wheel support pull bar, Base is locked with rear wheel support by foldable locking device.

The Chinese patent literature of Publication No. CN201347112 discloses a kind of foldable baby carriage car Frame, push rod that the after-poppet being rotationally connected including fore-stock and fore-stock and fore-stock are slidably connected, Head rod, one end that both ends are rotationally connected with fore-stock and push rod respectively rotate even with push rod The seatpost that connects, one end and push rod are rotationally connected and the other end is that at least one of hook solid folds Latch hook, the lock pin coordinated with folding latch hook being arranged on fore-stock.Unlock folding knob and fold After latch hook unlocks, promoting push rod to glide, by under connecting rod effect, there is planar movement in its front end, By seatpost, pull after-poppet push rod forward close, complete folding process, when needs support perambulator, Reverse operating above procedure, can complete.

Technique scheme achieves the folding of perambulator, but folding process is relatively cumbersome, the most multiple Child is easily damaged by the articulation mechanism exposed.

The Chinese patent literature of Publication No. CN201257998 discloses a kind of storing foldable baby carriage Folding joint relates to foldable stroller, including front-wheel support, driver's support, function pull handle and function Latch, front-wheel support end is fixing connects lower seat, and driver's support front end is fixing to be connected The seat of honour, connects lower seat and is connected the seat of honour and is rotationally connected, and is installed with bracing wire in driver's support, front-wheel support with Having the accommodating hole of accommodating function latch in connecting the seat of honour, function pull handle is by bracing wire with function latch even Connecing, function latch is provided with spring, and function latch is energy portion under function pull handle, spring and bracing wire effect Divide the accommodating hole cooperation entering the accommodating hole of front-wheel support, part and being connected the seat of honour, or prop up with front-wheel The accommodating hole of frame departs from, all coordinates with the accommodating hole being connected the seat of honour.This technical scheme is excellent by bracing wire Change the position of the switch, improve safety, but folding process is the most relatively cumbersome.

Utility model content

The deficiency existed for prior art, this utility model provide a kind of linkage foldable integral and Can support oneself after folding, the perambulator of short-distance movement.

The technical solution of the utility model is:

A kind of perambulator folding self-support, including front foot lever, rear foot lever, pushing hands bar and seat bar,

Described pushing hands bar is hinged on described rear foot masthead portion, and pushing hands bar includes being positioned at the master on rear side of rear foot lever Body portion and be positioned at the first extension on front side of rear foot lever；

Described front foot lever is hinged in the middle part of rear foot lever, and front foot lever includes being positioned at the main part on front side of rear foot lever Divide and be positioned at the second extension on rear side of rear foot lever；

Described seat bar is hinged between the first extension and the second extension.

Folding the perambulator supported oneself to be folded by quadric chain, the rod member constituting quadric chain is Seat bar, the first extension of pushing hands bar, rear foot lever and the second extension of front foot lever.This four company Linkage is crossing condition under perambulator deployed condition, the most such as in the statement in " rear foot masthead portion " " top " be not limited to top, but relatively and bottom middle part for top.

In folding process, pushing hands bar foot lever direction backward fold, the first of pushing hands bar prolong raw section away from Rear foot lever also drives front foot lever to think that the rear foot is drawn close, the most in a folded configuration as preferred, and folded state Under, the main part of front foot lever and the main part of pushing hands bar are drawn close respectively in the both sides of rear foot lever.

Because quadric chain intersection activity, for avoiding interference with, as preferably, front foot lever and rear foot lever Between hinged by the first rotating shaft, the rear side of described seat bar is provided with and points to and the company of neighbouring first rotating shaft Lug, the second extension of described front foot lever is hinged on this engaging lug.Engaging lug can play adjustment The rod movable angle of double leval jib and the effect of the arm of force, thus facilitate the folding of perambulator, improve user's body Test.

As preferably, described seat bar front end is rotatablely equipped with foot-driven lever.Foot-driven lever can be used in simultaneously Drive quadric chain.When needs fold, being lifted up foot-driven lever, the front end of seat bar is the most remote From rear foot lever, thus the first extension promoting pushing hands bar drives the main part of pushing hands bar to think rear foot lever Draw close；The rear end of seat bar is downwards near rear foot bar, thus it is downward to drive the second of front foot lever to prolong raw section Inward, thus drive front foot lever to complete to fold near rear foot lever.

As preferably, described pushing hands bar and rear foot lever are hinged by the second rotating shaft, the master of described pushing hands bar Body portion is provided with the locking mechanism that perambulator is maintained at deployed condition at the position near the second rotating shaft.For More preferable installation locking mechanism, can select the occlusion side mutually embedded between pushing hands bar and rear foot lever Formula, forms the plane mutually reclined to facilitate locking mechanism to work.

As preferably, described locking mechanism includes:

Activity is plugged on the interior stop pin with described rear foot lever effect of described pushing hands bar；

Stop pin is driven to lock described pushing hands bar and the elastic component of rear foot lever；

Stop pin is driven to overcome pushing hands bar described in elastic component release the lock and the hauling rope of rear foot lever.

Stop pin is inlaid in pushing hands bar, is provided with the lockhole entered for stop pin, works as locking in rear foot lever When pin leans out pushing hands bar entrance lockhole under the effect of elastic component, pushing hands bar and rear foot lever mutually lock, Can not mutually rotate, under the effect of hauling rope, time in stop pin retraction pushing hands bar, pushing hands bar and after Foot lever release the lock, can mutually rotate folding process.

As preferably, described pushing hands bar is provided with the unblock button linked with described hauling rope.

This utility model has the advantage that

(1) rod member intersects design, while forming the convenient quadric chain folded mutually Connection reinforcement, promotes the stability of vehicle frame；

(2) fold mechanism is less, and the quadric chain volume formed by extension is less, does not allows Tong gap easily occurs, safer；

(3) compact conformation, is connected with each other by the extension of rod member, need not arrange unnecessary linkage Part, vehicle frame weight is less, and intensity is more preferable.

Accompanying drawing explanation

Fig. 1 is the schematic diagram that the present embodiment folds the perambulator supported oneself；

Fig. 2 is the folding schematic diagram of the perambulator folding self-support in Fig. 1.

Detailed description of the invention

Explanation this utility model detailed description of the invention below in conjunction with the accompanying drawings.

As depicted in figs. 1 and 2, a kind of perambulator folding self-support, including front foot lever 50, rear foot lever 20, pushing hands bar 10 and seat bar 30, pushing hands bar 10 is hinged on rear foot lever 20 top, pushing hands bar 10 Including the main part 11 being positioned on rear side of rear foot lever 20 and be positioned at first on front side of rear foot lever 20 and prolong The section of stretching 12；Front foot lever 50 is hinged in the middle part of rear foot lever 20, and front foot lever 50 includes being positioned at rear foot lever 20 Front side main part 51 and be positioned at the second extension 52 on rear side of rear foot lever 20；Seat bar 30 It is hinged between the first extension 12 and the second extension 52.

The main part 51 of front foot lever 50 and the main part 11 of pushing hands bar 10 are drawn close respectively at the rear foot The both sides of bar 20.The first rotating shaft 104 is passed through hinged, seat between front foot lever 50 and rear foot lever 20 The rear side of bar 30 is provided with and points to and the engaging lug 102 of neighbouring first rotating shaft 104, the of front foot lever 50 Two extensions 52 are hinged on this engaging lug 102.Seat bar 30 front end is rotatablely equipped with foot-driven lever 40. Pushing hands bar 10 and rear foot lever 20 are hinged by the second rotating shaft 103, the main part 11 of pushing hands bar 10 The locking mechanism 106 that perambulator is maintained at deployed condition it is provided with at the position near the second rotating shaft 103.

Locking mechanism 106 includes:

The stop pin that activity acts on rear foot lever 20 in being plugged on pushing hands bar 10；

Drive stop pin locking pushing hands bar 10 and the elastic component of rear foot lever 20；

Stop pin is driven to overcome elastic component release the lock pushing hands bar 10 and the hauling rope of rear foot lever 20.

Pushing hands bar 10 is provided with and the unblock button 101 of hauling rope linkage.

Use process is as follows:

When needing to unlock: trigger and unlock button 101, make stop pin overcome bullet under the driving of hauling rope Property part retraction pushing hands bar 10 in, pushing hands bar 10 and rear foot lever 20 mutually unlock, it is possible to realize mutually Rotating, be lifted up foot-driven lever 40, the front end of seat bar 30 is upwardly away from rear foot lever 20, thus carries The first extension 12 rising pushing hands bar 10 drives the main part 11 of pushing hands bar 10 to think rear foot lever 20 Draw close；The rear end of seat bar 30 is downwards near rear foot bar 20, thus drives the second of front foot lever 50 to prolong The raw downward inward of section, thus drive front foot lever 50 to complete to fold near rear foot lever 20.Fold Become between rear wheel 60 and mutually recline, the center of perambulator fall with wheel 60 before, it is possible to support oneself and go forward side by side The short-range movement of row.

Expansion process reverse operating.

The foregoing is only preferred embodiment of the present utility model, be not limited to this practicality new Type, for a person skilled in the art, this utility model can have various modifications and variations.All Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, Within should be included in protection domain of the present utility model.

Claims (7)

1. fold a perambulator for self-support, including front foot lever, rear foot lever, pushing hands bar and seat bar, It is characterized in that,

Described pushing hands bar is hinged on described rear foot masthead portion, and pushing hands bar includes being positioned at the master on rear side of rear foot lever Body portion and be positioned at the first extension on front side of rear foot lever；

Described front foot lever is hinged in the middle part of rear foot lever, and front foot lever includes being positioned at the main part on front side of rear foot lever Divide and be positioned at the second extension on rear side of rear foot lever；

Described seat bar is hinged between the first extension and the second extension.

2. the perambulator folding self-support as claimed in claim 1, it is characterised in that under folded state, The main part of front foot lever and the main part of pushing hands bar are drawn close respectively in the both sides of rear foot lever.

3. as claimed in claim 2 fold the perambulator supported oneself, it is characterised in that front foot lever and after Passing through the first rotating shaft between foot lever hinged, the rear side of described seat bar is provided with sensing neighbouring first rotating shaft Engaging lug, the second extension of described front foot lever is hinged on this engaging lug.

4. the perambulator folding self-support as claimed in claim 3, it is characterised in that described seat bar Front end is rotatablely equipped with foot-driven lever.

5. the perambulator folding self-support as claimed in claim 4, it is characterised in that described pushing hands bar Hinged by the second rotating shaft with rear foot lever, the main part of described pushing hands bar is in the portion near the second rotating shaft Position is provided with the locking mechanism that perambulator is maintained at deployed condition.

6. the perambulator folding self-support as claimed in claim 5, it is characterised in that described locking machine Structure includes:

Activity is plugged on the interior stop pin with described rear foot lever effect of described pushing hands bar；

Stop pin is driven to lock described pushing hands bar and the elastic component of rear foot lever；

Stop pin is driven to overcome pushing hands bar described in elastic component release the lock and the hauling rope of rear foot lever.

7. the perambulator folding self-support as claimed in claim 6, it is characterised in that described pushing hands bar It is provided with the unblock button linked with described hauling rope.