CN205706817U - A kind of baby carriage - Google Patents
A kind of baby carriage Download PDFInfo
- Publication number
- CN205706817U CN205706817U CN201620526768.7U CN201620526768U CN205706817U CN 205706817 U CN205706817 U CN 205706817U CN 201620526768 U CN201620526768 U CN 201620526768U CN 205706817 U CN205706817 U CN 205706817U
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- pushing hands
- bar
- foot lever
- cross bar
- lock
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Abstract
The utility model discloses a kind of baby carriage, including two side frames and cross bar, side frame includes front foot lever, rear foot lever and pushing hands bar, pushing hands bar includes pushing hands bar hands handle, upper pushing hands bar, middle pushing hands bar and lower pushing hands bar, upper pushing hands bar is plugged in middle pushing hands bar and can lock or flexible, middle pushing hands bar and the hinged energy locking of lower pushing hands bar or folding;Front foot lever is divided into go forward foot lever and lower front foot lever, go forward be connected front support rod and back support rod between foot lever with lower pushing hands bar and constitute folding first quadric chain, go forward between foot lever and rear foot lever by being sequentially connected with first connecting rod and second connecting rod and constituting the second quadric chain, one end of first connecting rod is fixing with the lower end of front support rod to be connected or one-body molded, and the first quadric chain of folded state and rear foot lever are stacked in the upper and lower both sides of foot lever of going forward respectively.The technical program structure is more reasonable, and volume after folding is less, easy to operate.
Description
Technical field
The present invention relates to children trolley technical field, particularly relate to a kind of baby carriage that can fold.
Background technology
Perambulator is a kind of tool car designed for baby's outdoor activities offer is convenient, is baby's favorite stroll traffic
Instrument, requirement when mother goes shopping with baby especially.Along with the progress of productive life, stroller use scene also
More and more.
The Chinese patent literature of Publication No. CN101544242 discloses a kind of foldable baby carriage, belongs to fold mechanism knot
Structure technical field.A kind of foldable baby carriage, including push rod and bottom with the front-wheel support of wheel and rear wheel support, feature exists
Be flexibly connected with the push rod on top by spider in front-wheel support and rear wheel support, in the middle part of push rod by collateral support and base after
End is flexibly connected, and is flexibly connected with pan frontward end in the middle part of front-wheel support, and rear wheel support passes through in the middle part of rear wheel support pull bar and base
Being flexibly connected, 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 vehicle frame, including front
Push rod, both ends that the after-poppet that frame and fore-stock are rotationally connected and fore-stock are slidably connected turn with fore-stock and push rod respectively
Seatpost, one end that the head rod that is dynamically connected, one end are rotationally connected with push rod are rotationally connected and the other end with push rod
Portion is at least one lock pin coordinated with folding latch hook folding latch hook, being arranged on fore-stock of hook solid.Folding knob
After unlocking and fold latch hook unblock, promoting push rod to glide, by under connecting rod effect, there is planar movement in its front end, by seat
Bar, pulls after-poppet push rod forward close, completes folding process, when needs support perambulator, and reverse operating above procedure,
Complete.
Technique scheme achieves the folding of perambulator, but folding process is relatively cumbersome, the joint of the most multiple exposures
Child is easily damaged and affects use safety by mechanism and latch-up structure.
The Chinese patent literature of Publication No. CN201257998 discloses a kind of folding joint for storing foldable baby carriage and relates to
Foldable stroller, including front-wheel support, driver's support, function pull handle and function latch, front-wheel support end fixes connection one
Connect lower seat, the fixing seat of honour that connects, driver's support front end, under connection seat be connected the seat of honour and be rotationally connected, in driver's support
Having the accommodating hole of accommodating function latch in being installed with bracing wire, front-wheel support and the connection seat of honour, function pull handle passes through bracing wire and function
Latch connects, and function latch is provided with spring, and function latch can be partially into front-wheel under function pull handle, spring and bracing wire effect
The accommodating hole of support, part and the accommodating hole being connected the seat of honour coordinate, or with the accommodating hole disengaging of front-wheel support, all be connected
The accommodating hole at the seat of honour coordinates.This technical scheme optimizes the position of the switch by bracing wire, improves safety, but folding process depends on
Old relatively cumbersome.
The Chinese patent literature of Publication No. CN103507846A discloses a kind of children trolley, and stroller frame includes relatively
The left side brackets claimed and right side support, the link that is connected between left side brackets and right side support, left side brackets includes left front
Left lever that the left connecting rod that frame, left back frame, left side bar, anterior and left front frame are rotationally connected is rotationally connected with left back frame and left side
The left push-rod frame that the top of bar is rotationally connected, left lever is connected with the posterior rotation of left connecting rod, the bottom of left push-rod frame and Zola
The top of bar is rotationally connected, and the top of left front frame, the top of left back frame rotate with three, the bottom parts of left side bar and is connected, right
Side stand is arranged equally;When stroller frame is in the deployed down, between side arm and side lever, form angle α, the angle model of angle α
Enclose is 165 °-195 °.This technical scheme still suffers from following problems: 1, upon deployment, and side arm, side lever and push-rod frame are launched into one
Straight line, locking mechanism is mutually extruded by push-rod frame and side lever and locks car body, to rotate by promoting push-rod frame when folding
Forming lever and carry out folding, not only folding is inconvenient, needs the biggest, and force localization, is easily damaged push-rod frame;2, push away
Bridge uses two sections to stretch, and after contraction, still length is longer, side arm cannot folding length longer, so cause after vehicle frame folding still body
Long-pending bigger;3, such as need to draw rear wheel in the lump in during folding makes vehicle frame volume less, then need first to squat down folding after-frame by rear wheel
After packing up, then two side stands carrying out folding, inconvenient operation, process are unreasonable, require too high to using skill;4, left and right two
After side stand doubling is drawn in, if position of taking is to easily scattering, collection is taken all inconvenient;5, locking mechanism and multiple joint
Mechanism exposes, and easily damages child and affects use safety.
The patent documentation of Publication No. CN204222933U discloses a kind of foldable baby go-cart, and two is collateral around
The folding principle of frame is close with the patent documentation of Publication No. CN103507846A, is only the double-four link mechanism in two side stands
Linkage structure be slightly different, there is same problem in it.
The patent documentation of Publication No. CN204415487U discloses a kind of frame for baby cart being easy to folding storage, including pushing away
Bar, fore-stock, after-poppet, subbase, front wheel carrier and rear wheel frame;The upper end of push rod is provided with leader;The upper end of fore-stock
It is rotationally connected formation the first pin joint with the lower end of push rod;The upper end of after-poppet is also rotationally connected with the lower end of push rod and forms second
Pin joint, and the second pin joint is positioned at the rear of the first pin joint;The front end of subbase is connected with front wheel carrier;The lower end of fore-stock turns
It is dynamically connected and forms the 3rd pin joint in the anterior of subbase;The lower end of after-poppet is rotationally connected with the rear portion of subbase and forms the 4th
Pin joint;Rear wheel frame is rotationally connected with at the 4th pin joint at subbase rear portion;Described fore-stock is provided with the first connector, described
Rear wheel frame is provided with the second connector, is provided with connecting rod between two connectors;Among four pin joints, any one is provided with locking device.Should
Scheme is for using subbase structure, and in order to ensure vehicle frame stability, subbase volume is big and cannot be carried out folding, so causes
Vehicle frame volume after folding is the biggest, although wherein also illustrate that push rod is scalable or folding, give also simple
Bending structure, but the biggest even if push rod to be bent Rear frame volume.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of baby carriage, structure is more reasonable,
Volume after folding is less, easy to operate.
To achieve the above object, present invention employs following technical scheme:
A kind of baby carriage, including two side frames being symmetrically arranged and the cross bar being connected between side frames,
Each side frame includes that front foot lever (10), rear foot lever (20) and pushing hands bar, front foot lever (10) lower section are provided with front-wheel (13), rear foot lever
(20) lower section trailing wheel (21) is installed, it is characterised in that described pushing hands bar include pushing hands bar hands (611), upper pushing hands bar (61),
Middle pushing hands bar (62) and lower pushing hands bar (50), upper pushing hands bar (61) is can be plugged in middle pushing hands bar (62) in the way of stretching up and down
In and realized by upper pushing hands rod lock mechanism that locking is affixed or release is flexible, the lower end of middle pushing hands bar (62) and lower pushing hands bar
(50) upper end thereof the affixed or release folding by the realization locking of middle pushing hands rod lock mechanism;Described front foot lever (10) is divided into
Going forward foot lever (11) and lower front foot lever (12), front-wheel (13) is installed in lower front foot lever (12) lower end, the upper end of lower front foot lever (12) with
The go forward lower end of foot lever (11) is hinged, and the lower end of front support rod (30) is hinged with the middle part of foot lever of going forward (11), front support rod
(30) upper end is hinged with the lower end of lower pushing hands bar (50), the middle part hinge of the upper end of back support rod (40) and lower pushing hands bar (50)
Connect, the lower end of back support rod (40) and the upper end thereof of vertical supporting rod (14), the lower end of vertical supporting rod (14) and rear foot lever (20)
Upper end thereof, the upper end of the middle part of vertical supporting rod (14) and foot lever of going forward (11) is fixing to be connected or one-body molded;First connecting rod
(31) one end is fixing with the lower end of front support rod (30) to be connected or one-body molded, and the other end of first connecting rod (31) and second is even
One end of bar (32) is hinged, and the other end of second connecting rod (32) is hinged with the middle part of rear foot lever (20);So, go forward foot lever (11)
It is connected front support rod (30) and back support rod (40) with between lower pushing hands bar (50) and constitutes folding first quadric chain,
Go forward between foot lever (11) and rear foot lever (20) by being sequentially connected with first connecting rod (31) and second connecting rod (32) and constituting second
Quadric chain, the first quadric chain of folded state and rear foot lever (20) are stacked in foot lever of going forward (11) upper and lower two respectively
Side.
As preferably, described cross bar includes:
First cross bar (70), is arranged between foot lever of going forward (11) top of side frames, and the two ends of the first cross bar (70) are divided
It is hinged that arm installed by the cross bar not extended out with foot lever of going forward (11) top of side frames;Or, it is arranged on rear of side frames
Between strut (40) bottom, the horizontal stroke that back support rod (40) bottom with side frames respectively, the two ends of the first cross bar (70) extends out
It is hinged that arm installed by bar;
Second cross bar (80), is arranged between foot lever of going forward (11) bottom of side frames, and the two ends of the second cross bar (80) are divided
It is hinged that arm installed by the cross bar not extended out with foot lever of going forward (11) bottom of side frames;
3rd cross bar (25), is arranged between the rear foot lever (20) of side frames, and the two ends of the 3rd cross bar (25) are respectively with two
It is hinged that arm installed by the cross bar that the rear foot lever (20) of side frame extends out;
4th cross bar (65), is arranged between the upper pushing hands bar (61) of side frames, the two ends of the 4th cross bar (65) respectively with
It is hinged that arm installed by the cross bar that the upper pushing hands bar (61) of side frames extends out;Or, it is arranged on the pushing hands bar hands handle of side frames
(611), between, it is hinged that arm installed by the cross bar that the two ends of the 4th cross bar (65) extend out (611) with pushing hands bar hands respectively;
When side frames is in expansion lock-out state, the first cross bar (70), the second cross bar (80), the 3rd cross bar (25) and the
Jointed shaft on four cross bars (65) is distributed in different planes;When side frames is in gathering folded state, the first cross bar (70),
Jointed shaft on second cross bar (80), the 3rd cross bar (25) and the 4th cross bar (65) is positioned on same axis.
As preferably, seat bar (41) is arranged on back support rod by the first connector (411) and the second connector (412)
(40) and on lower pushing hands bar (50), the first connector (411) is hinged with back support rod (40) and fixing with seat bar (41) is connected,
Second connector (412) is arranged on lower pushing hands bar (50), and it is upper or with that seat bar (41) is shelved on the second connector (412)
Two connectors (412) sleeve is slidably connected.
As preferably, described upper pushing hands rod lock mechanism includes pushing hands bar telescoping switch (6111), upper pushing hands rod lock
Pin (613), shell fragment (614) and shell fragment set (612), shell fragment (614) is fixed on pushing hands bar (62) during pushing hands bar (61) inserts
Insertion section, fixing upper pushing hands lever lock rationed marketing (613) of the outer warping end of shell fragment (614), upper pushing hands lever lock rationed marketing (613) stretches out pushing hands
Bar (61) also coordinates with the lock pin holes on middle pushing hands bar (62), and shell fragment set (612) is set in shell fragment (614) outward and to be passed through to slide
The outer warping end controlling shell fragment (614) is included in or sticks up, and shell fragment set (612) passes through steel wire and is arranged on pushing hands bar hands on (611)
Upper pushing hands bar telescoping switch (6111) connect.
As preferably, real by the locking mechanism that returns the vehicle to the garage and knock off between upper end and the middle part of lower pushing hands bar (50) of back support rod (40)
Now lock affixed or release folding;The described locking mechanism that returns the vehicle to the garage and knock off includes return the vehicle to the garage and knock off switch (621) and side frame locking piece (51), lower pushing hands
The middle part of bar (50) is provided with the groove (52) that can accommodate back support rod (40) upper end, and it is recessed that this is inserted in the upper end of back support rod (40)
In groove (52) and hinged by jointed shaft with the sidewall of this groove, the upper end of back support rod (40) is provided with sticking department (42), when after
When support bar (40) rotates relative to lower pushing hands bar (50), sticking department (42) can be movable in groove (52), side frame locking piece
(51) being slidably arranged in lower pushing hands bar (50), the switch (621) that returns the vehicle to the garage and knock off is connected with side frame locking piece (51) by steel wire;Work as side frame
When locking piece (51) coordinates location with the sticking department (42) of back support rod (40) upper end in stretching into groove (52), back support rod (40)
Can not rotate relative to lower pushing hands bar (50) thus realize both and lock affixed, two quadric chains of such side frame are locked
Cannot be movable;When side frame locking piece (51) is return and separates with the sticking department (42) of back support rod (40) upper end, back support rod
(40) can rotate relative to lower pushing hands bar (50), two quadric chains of such side frame activity can carry out folding.
As preferably, described middle pushing hands rod lock mechanism includes STATEMENT OF FEDERALLY SPONSORED (53) and middle pushing hands lever lock locking member (54), linkage
Part (53) is slidably arranged in the middle part of lower pushing hands bar (50) and is connected with the linkage portion (44) being arranged on back support rod (40) upper end,
Middle pushing hands lever lock locking member (54) be slidably arranged in lower pushing hands bar (50) top and with the locking being arranged on middle pushing hands bar (62) lower end
Hole (622) grafting coordinates, and middle pushing hands lever lock locking member (54) is connected with STATEMENT OF FEDERALLY SPONSORED (53) by steel wire, middle pushing hands lever lock locking member (54)
The trend of the lock hole (622) given by spring in inserting on pushing hands bar (62);When back support rod (40) is relative to lower pushing hands
When bar (50) rotates, linkage portion (44) drives STATEMENT OF FEDERALLY SPONSORED (53) mobile, and STATEMENT OF FEDERALLY SPONSORED (53) passes through steel wire band disorder of internal organs pushing hands rod lock
Part (54) and lock hole (622) locking latch on middle pushing hands bar (62) or separate release.
As preferably, described in go forward the upper end of the lower end of foot lever (11) and lower front foot lever (12) respectively in cooperating down
Hook-shaped, the jointed shaft (122) of the lower end of foot lever of going forward (11) and the upper end of lower front foot lever (12) is arranged on down hook-shaped head, on
The lower end of front foot lever (11) and the upper end of lower front foot lever (12) are real by the forward foot in a step rod lock mechanism being arranged on down hook-shaped root
Now lock affixed or release folding.
Further preferably, described forward foot in a step rod lock mechanism, including lower forward foot in a step rod lock hook (111) and lower forward foot in a step rod lock portion
(121), the middle part of lower forward foot in a step rod lock hook (111) is hinged to be arranged in root hook-shaped under foot lever of going forward (11), lower front foot lever
One end of lock hook (111) is the hook portion (1112) coordinated with lower forward foot in a step rod lock portion (121) hook, lower forward foot in a step rod lock hook
(111) one end is the release portion (1111) sticking up foot lever of going forward (11) outward, and lower forward foot in a step rod lock hook (111) connects flexible part
Thus give the hook portion (1112) trend near lower forward foot in a step rod lock portion (121);The release portion of the hook of forward foot in a step rod lock instantly (111)
(1111) when the rear foot lever (20) being folded pushes back, the hook portion (1112) of lower forward foot in a step rod lock hook (111) and lower forward foot in a step rod lock
Portion (121) separates, thus lower front foot lever (12) can be with folding;When rear foot lever (20) and lower front foot lever (12) launch, the lower forward foot in a step
The release portion (1111) of rod lock hook (111) outwards sticks up, the hook portion (1112) of lower forward foot in a step rod lock hook (111) and lower front foot lever
Sticking department (121) hook coordinates, thus lower front foot lever (12) locks affixed with foot lever of going forward (11).
As preferably, being provided with side frame doubling locking mechanism on the 4th cross bar, this side frame doubling locking mechanism includes sliding
Move and be arranged on the doubling locking switch (651) on the 4th cross bar (65) and doubling stop pin (6511), doubling stop pin (6511)
One end be connected with doubling locking switch (651), the other end of doubling stop pin (6511) stretches out the end of the 4th cross bar (65)
And lock hole (6121) grafting on arm (612) is installed coordinates with being arranged on cross bar thus both are locked affixed, cross bar installation
Arm (611) is fixed on pushing hands bar (61), cross bar install the end of arm (611) be provided with respectively corresponding side frame doubled state and
Two lock holes (6121) of side frame deployed condition.
As preferably, a ceiling frame (652) is sleeved on the 4th cross bar (65) and can front and back overturn, and passes through bit-stopping structure
Make it can set level for sunshade.
Due to the fact that and have employed above technical scheme, upon deployment, pushing hands bar and front foot lever, rear foot lever are all in angle
Arrange and realize linkage by two quadric chains between three and fold, as long as just so releasing the locking of quadric chain
Can easily realize folding, convenient folding is laborsaving, and each parts are long for service life;Pushing hands bar is arranged to upper and lower three sections, by the forward foot in a step
Bar is arranged to two sections, by back support rod and the separately folded gathering of rear foot lever in the both sides up and down of foot lever of going forward, so makes
The similar length of each rod member and being fitted to each other, foldable structure is more reasonable so that the vehicle frame volume after folding is less.Further, knot
Structure is simple, substantially increases the stability of product while reducing parts and cost.
Concrete structure to baby carriage of the present invention is further described as follows below:
A kind of baby carriage, including two side frames being symmetrically arranged and the cross bar being connected between side frames,
Each side frame includes front foot lever, rear foot lever and pushing hands bar, is provided with front-wheel, is provided with trailing wheel below rear foot lever below front foot lever.
Pushing hands bar includes pushing hands bar hands handle, upper pushing hands bar, middle pushing hands bar and lower pushing hands bar, and upper pushing hands bar is stretching up and down
The mode of contracting is plugged in middle pushing hands bar and realizes locking affixed or discharging flexible by upper pushing hands rod lock mechanism, middle pushing hands bar
Lower end and the upper end thereof of lower pushing hands bar and by middle pushing hands rod lock mechanism realize locking affixed or release folding.
In the prior art, pushing hands bar typically uses up and down flexible two-stage structure, and the pushing hands bar of baby carriage
Operating altitude range is usually clear and definite, and the length range thus determining pushing hands bar is fixing, uses two-part pushing hands
Bar, after contraction, still length is longer, so makes the vehicle frame volume after folding the biggest.As used three sections of stretching structures, then exist
Locking mechanism is complicated and cannot be locked in higher position by the single switch of neighbouring hands handle or be discharged, the most not side
Just use, and easily form potential safety hazard.And in the present invention, by shrinking between upper pushing hands bar and middle pushing hands bar, middle pushing hands
By folding between bar and lower pushing hands bar, such three stage structure controls that stroke is short and simple in construction, and can be with support
Two quadric chains of side frame form linkage, can simplify locking mechanism, reduce and expose switch, improve operation convenience and can
By property.
Front foot lever is divided into go forward foot lever and lower front foot lever, and front-wheel is installed in lower front foot lever lower end, and the upper end of lower front foot lever is with upper
The lower end of front foot lever is hinged, and the lower end of front support rod is hinged with the middle part of foot lever of going forward, the upper end of front support rod and lower pushing hands bar
Lower end hinged, the upper end of back support rod is hinged with the middle part of lower pushing hands bar, the lower end of back support rod and the upper end of vertical supporting rod
Hinged, the lower end of vertical supporting rod and the upper end thereof of rear foot lever, the middle part of vertical supporting rod is fixing with the upper end of foot lever of going forward to be connected
Or it is one-body molded;One end of first connecting rod is fixing with the lower end of front support rod to be connected or one-body molded, the other end of first connecting rod
Hinged with one end of second connecting rod, the other end of second connecting rod is hinged with the middle part of rear foot lever;So, go forward foot lever and lower pushing hands
Connect front support rod and back support rod between bar and constitute folding first quadric chain, going forward between foot lever and rear foot lever
By be sequentially connected with first connecting rod and second connecting rod and constitute the second quadric chain, the first quadric chain of folded state with
Rear foot lever is stacked in the upper and lower both sides of foot lever of going forward respectively.
Upon deployment, pushing hands bar and front foot lever, rear foot lever are all arranged and between three by two the present invention in angle
Quadric chain realizes linkage and folds, as long as the locking so releasing quadric chain just can easily realize folding, folding side
The most laborsaving, each parts are long for service life;Pushing hands bar is arranged to upper and lower three sections, front foot lever is arranged to two sections, by rear
Strut and the separately folded gathering of rear foot lever, in the both sides up and down of foot lever of going forward, so make the similar length of each rod member and join each other
Closing, foldable structure is more reasonable so that the vehicle frame volume after folding is less.
In order to reach the effect of linkage, baby carriage passes through front support rod by while the first quadric chain folding
And fixing connection drive foot lever after the second quadric chain folding between first connecting rod, as long as thus reaching an action and just can join
The purpose of the dynamic whole baby carriage of folding, after the complete folding of car load completes, the first quadric chain and rear foot lever paste respectively
Lean against the both sides of front foot lever, be described as upper and lower both sides and be because baby carriage and can arbitrarily overturn placement after folding, do not allow
Easily distinguish orientation, and baby carriage in the deployed state time three-dimensional state stable, front foot lever is in horizontal state, because of
This first quadric chain and rear foot lever abut in the both sides up and down of front foot lever respectively.During folding, the first double leval jib machine
Structure and rear foot lever recline respectively to two rear flank up and down of front foot lever, and side frames can be by being rotatably assorted in opposite directions to varus with cross bar
Folding, reduces the volume size after baby carriage folds further, is convenient for carrying.
Wherein, between upper end and the middle part of lower pushing hands bar of back support rod by return the vehicle to the garage and knock off locking mechanism realize locking affixed or
Release folding.Although returning the vehicle to the garage and knock off locking mechanism can also be arranged on the first quadric chain, the second quadric chain other are hinged
Position, but it is preferably provided between back support rod and lower pushing hands bar, so have an advantage that 1, after seat is typically mounted at
Between support bar and lower pushing hands bar, the locking mechanism that returns the vehicle to the garage and knock off is also disposed at here, and direct locking has more preferable locking effect;2, exist
The middle part of lower pushing hands bar has enough spaces and may be used for hiding setting and return the vehicle to the garage and knock off locking mechanism, is so possible not only to avoid joint
Expose with locking mechanism, forward easily being played by child causes potential safety hazard, and provides more design to the locking mechanism that returns the vehicle to the garage and knock off
Select, the more reliable and more stable locking mechanism that returns the vehicle to the garage and knock off can be designed;3, the locking switch that returns the vehicle to the garage and knock off is generally located on pushing hands bar, so
Design not only makes to return the vehicle to the garage and knock off locking mechanism simple in construction, easy to use and reliable, and is also convenient for and other lockings on pushing hands bar
Mechanism links, and exposes switch to reduce.
The go forward upper end of the lower end of foot lever and lower front foot lever is hook-shaped in cooperating down respectively, the lower end of foot lever of going forward and
Before lower, the jointed shaft of the upper end of foot lever is arranged on down hook-shaped head, and the lower end of foot lever of going forward and the upper end of lower front foot lever are by setting
Put under the forward foot in a step rod lock mechanism of hook-shaped root realize that locking is affixed or release folding.Go forward foot lever and lower front foot lever uses
Under hook-shaped articulated structure, not only have and preferably support switching performance, and make fold after before and after wheel have more reasonable
Dislocation arrangement space.
Cross bar includes:
First cross bar, be arranged on side frames goes forward between foot lever top, the two ends of the first cross bar respectively with side frames
Going forward, to install arm hinged for the cross bar that foot lever top extends out;Or, it is arranged between the back support rod bottom of side frames, first
It is hinged that arm installed by the cross bar that the two ends of cross bar extend out with the back support rod bottom of side frames respectively;So may insure that support
Montant and back support rod hinged firmly thus ensure the first quadric chain stabilized structure.The present embodiment is preferably provided at side frames
Back support rod bottom between, so when seat bar is arranged on back support rod and lower pushing hands bar, be arranged on both sides seat bar
On seat webbing and the first cross bar respectively the two ends up and down of the back support rod of side frames are all connected, further ensure
Stability Analysis of Structures.
Second cross bar, be arranged on side frames goes forward between foot lever bottom, the two ends of the second cross bar respectively with side frames
Going forward, to install arm hinged for the cross bar that foot lever bottom extends out;So may insure that stable connection between the front foot lever of side frames,
Second cross bar plays foot-operated effect simultaneously.
3rd cross bar, is arranged between the rear foot lever of side frames, the two ends of the 3rd cross bar respectively with the rear foot lever of side frames
It is hinged that arm installed by the cross bar extended out;So may insure that stable connection between the rear foot lever of side frames.
4th cross bar, is arranged between the upper pushing hands bar of side frames, the two ends of the 4th cross bar respectively with above the pushing away of side frames
It is hinged that arm installed by the cross bar that hand lever extends out;Or, it is arranged between the pushing hands bar hands handle of side frames, the two ends of the 4th cross bar
With pushing hands bar hands, the cross bar extended out is installed arm respectively hinged.So may insure that and connect surely between the pushing hands bar of side frames
Gu.
When side frames is in expansion lock-out state, the hinge on the first cross bar, the second cross bar, the 3rd cross bar and the 4th cross bar
Spindle is distributed in different planes;When side frames be in gathering folded state time, the first cross bar, the second cross bar, the 3rd cross bar and
Jointed shaft on 4th cross bar is positioned on same axis.So, when side frame draws in and folds, can be along same axis to side frames
Carry out to turnover so that the vehicle frame volume after folding is less;And when side frame launches locking, may insure that again Stability Analysis of Structures,
Avoid go-cart in use to produce to loosen or folding.
First cross bar is arranged on the foot lever position near rear foot lever of going forward, and the second cross bar is arranged close to the portion of lower front foot lever
Position.Reason is so selected to be in limited space, as far as possible can be in fixing both sides away from the first cross bar and the second cross bar
Foot lever aspect of going forward obtains the bigger arm of force, i.e. just can stablize the foot lever of going forward of both sides by less power.Meanwhile, the first cross bar peace
It is contained in foot lever of going forward and the position of rear foot lever is provided with vertical supporting rod, for the position that multiple parts are hinged, can carry at this
The integral rigidity of high joint part, thus improve car load rigidity.
Cross bar is provided with four groups, and two groups are arranged on two to going forward between foot lever, one group be arranged on two to rear foot lever between, another
Group is arranged between pushing hands bar, and the reason so selected is, although the side frame of both sides the most enough fixed by three groups of cross bars, but
Being that side frame is provided with multiple movable part, the point that each hinged or axle connects is not enough to keep all moving components all in same
Plane, therefore, it is necessary for arranging four groups of cross bars.And at baby carriage in use, bear strength maximum
Be exactly forward and backward foot lever, as the firm rigidity directly affecting whole handbarrow of the forward and backward foot lever of weighing component.
The mounting structure of above-mentioned each cross bar may refer to the patent of Publication No. CN103507846A and CN204222933U
Document, the present embodiment illustrates as a example by the 3rd cross bar, is provided with the cross bar for installing and fold and installs arm on rear foot lever,
Cross bar is installed arm and is divided into the afterbody fixing with rear foot lever and the head away from rear foot lever, the head of cross bar installation arm is installed hinged
Spindle, same being provided with on the 3rd cross bar installs arm storage for cross bar storage cross bar during to turnover being installed arm at side frame
Groove, the upper and lower installing arm accommodating groove at cross bar is arranged with the cross bar installing hole that coordination hinge axle is installed.Arm installed by cross bar
Shape and structure can be dodged, according to parts when folding, the needs supported with structure and is designed.
The mounting structure of seat and seat webbing can use the structure used in Folding trolley of the prior art,
The present invention only provides a kind of preferred implementation for explanation: after seat bar is arranged on by the first connector and the second connector
On support bar and lower pushing hands bar, the first connector is hinged with back support rod and fixing with seat bar is connected, the second connector installation
On lower pushing hands bar, seat bar is shelved on the second connector or is slidably connected with the second connector sleeve, the seat of side frames
Chair bar keeps being stably connected with entirely through the flexible material on sheathed pushing hands bar and car body.The load-bearing of seat bar is connected by first
Part, the second connector and flexible material shared.Wherein flexible material can be to select the form of cloth set.
Above-mentioned upper pushing hands rod lock mechanism can use the structure used in Folding trolley of the prior art, and
The present invention uses a kind of preferred implementation, is described as follows:
Upper pushing hands rod lock mechanism includes pushing hands bar telescoping switch, upper pushing hands lever lock rationed marketing, shell fragment and shell fragment set, shell fragment
It is fixed on the insertion section of pushing hands bar during pushing hands bar inserts, the fixing upper pushing hands lever lock rationed marketing of the outer warping end of shell fragment, upper pushing hands lever lock
Rationed marketing is stretched out pushing hands bar and coordinates with the lock pin holes on middle pushing hands bar, and shell fragment set is set in outside shell fragment and passes through Sliding Control
The outer warping end of shell fragment is included in or sticks up, and shell fragment set is connected by steel wire and the upper pushing hands bar telescoping switch being arranged on pushing hands bar on the handle
Connect.When pressing pushing hands bar telescoping switch, steel wire pulls shell fragment set slip to include the outer warping end of shell fragment in shell fragment set and makes shell fragment
The lock pin holes on upper pushing hands lever lock rationed marketing therefrom pushing hands bar on outer warping end is deviate from the state that unlocks, so goes up pushing hands bar
Can move up and down in middle pushing hands bar realize pushing hands bar stretch;Unclamping and press pushing hands bar telescoping switch, upper pushing hands bar moves
After putting in place, shell fragment resets under its own resilient effect, and the outer warping end of shell fragment sticks up shell fragment set and makes above pushing away on shell fragment outer warping end
The insertion of hand lever stop pin realizes in the lock pin holes on pushing hands bar position locking.Middle pushing hands bar arranges multiple stop pin
Hole, so can regulate the height of pushing hands bar with user-friendly.
The above-mentioned locking mechanism that returns the vehicle to the garage and knock off can use the structure used in Folding trolley of the prior art, such as public
The number of opening is the structure disclosed in the patent documentation of CN201257998Y, and the present invention uses a kind of preferred implementation, illustrates such as
Under:
The locking mechanism that returns the vehicle to the garage and knock off includes return the vehicle to the garage and knock off switch and side frame locking piece, and the middle part of lower pushing hands bar is provided with and can accommodate rear support
The groove of bar upper end, it is interior and hinged by jointed shaft with the sidewall of this groove that this groove is inserted in the upper end of back support rod, rear support
The upper end of bar is provided with sticking department, and when back support rod rotates relative to lower pushing hands bar, sticking department can be movable in groove, side frame
Locking piece is slidably arranged in lower pushing hands bar, and be arranged on middle pushing hands bar returns the vehicle to the garage and knock off switch by steel wire with side frame locking piece even
Connect;When in side frame locking piece stretches into groove, sticking department with back support rod upper end coordinates location, back support rod relative under push away
Hand lever can not rotate thus realize both and lock affixed, and two quadric chains of such side frame are locked cannot be movable;Work as side
Frame locking piece return and with the lock part of back support rod upper end from time, back support rod can rotate relative to lower pushing hands bar, this
Two quadric chains of sample side frame activity can carry out folding.So, not only return the vehicle to the garage and knock off the switch connection row with side frame locking piece
Journey is short, simple in construction, and locking is effective, and the locking mechanism that returns the vehicle to the garage and knock off is hidden and is arranged in the middle part of lower pushing hands bar, and position is at seat
Back upper place is difficult to by child getting in contact, safer.
Wherein, side frame locking piece and sticking department preferably employ clamping, wedge surface or pin joint and realize coordinating location, so have more
Good locking effect;Side frame locking piece is stretched in groove by acting force of the spring.
Above-mentioned middle pushing hands rod lock mechanism can use the structure used in Folding trolley of the prior art, and
The present invention uses a kind of preferred implementation, is described as follows:
Middle pushing hands rod lock mechanism includes STATEMENT OF FEDERALLY SPONSORED and middle pushing hands lever lock locking member, and STATEMENT OF FEDERALLY SPONSORED is slidably arranged in lower pushing hands bar
Middle part is also connected with the linkage portion being arranged on back support rod upper end, and middle pushing hands lever lock locking member is slidably arranged in lower pushing hands bar top also
Coordinating with the lock hole grafting being arranged on middle pushing hands bar lower end, middle pushing hands lever lock locking member is connected with STATEMENT OF FEDERALLY SPONSORED by steel wire, in push away
Hand lever locking piece gives the trend of the lock hole in inserting on pushing hands bar by spring;When back support rod turns relative to lower pushing hands bar
Time dynamic, linkage portion drives STATEMENT OF FEDERALLY SPONSORED to move, and STATEMENT OF FEDERALLY SPONSORED is by steel wire band disorder of internal organs pushing hands lever lock locking member and the locking on middle pushing hands bar
Hole locking latch or separation release.So, the folding of the locking of middle pushing hands bar folding and release with quadric chain is carried out
Linkage, it is not necessary to additionally increase and expose pushing hands bar folding during switch controls, reduce cost, improve safety, and lead to
Cross pushing hands lever lock locking member, STATEMENT OF FEDERALLY SPONSORED and the matching relationship of linkage portion in coordinate design, can be in quadric chain folding to suitable
The folding of middle pushing hands bar is restarted in position, use convenient rationally.
Linkage portion can be various ways with coordinating of STATEMENT OF FEDERALLY SPONSORED, as long as can be converted to pull steel by the rotation of linkage portion
Line.Preferred in the present invention, linkage portion is connected by the STATEMENT OF FEDERALLY SPONSORED hook of hanging groove with hook form, and simple in construction coordinates
Reliably, volume is little.In other embodiments, both can also be coordinated by the way of pin by elongated groove/opening, it is also possible to is
The wire loop of steel wire is directly articulated in linkage portion.
Because the moving direction of middle pushing hands lever lock locking member is inconsistent with the moving direction of STATEMENT OF FEDERALLY SPONSORED, so middle pushing hands rod lock
Part and STATEMENT OF FEDERALLY SPONSORED need to be connected by turning member, and this turning member can be the pulley or pillar detoured for steel wire.At this
In bright preferably, internal in the upper end of lower pushing hands bar hinged arranging a lever piece, one end of lever piece is by elongated groove/opening, pin
Being flexibly connected with middle pushing hands lever lock locking member, the other end of lever piece is connected with STATEMENT OF FEDERALLY SPONSORED by steel wire, such simple in construction, regulation
Convenient.
Middle pushing hands lever lock locking member is referred to Publication No. with the grafting fit structure of the lock hole on middle pushing hands bar
Lock gear structure in the patent documentation of CN204415487U.Preferred in the present invention, middle pushing hands lever lock locking member is a pin,
This pin is not coaxial with the jointed shaft of middle pushing hands bar and lower pushing hands bar, such simple in construction, and volume is little, and locking is reliable.
Above-mentioned forward foot in a step rod lock mechanism, including lower forward foot in a step rod lock hook and lower forward foot in a step rod lock portion, lower forward foot in a step rod lock hook
Middle part hinged be arranged in root hook-shaped under foot lever of going forward, one end of lower forward foot in a step rod lock hook is and lower forward foot in a step rod lock portion
The hook portion that hook coordinates, one end of lower forward foot in a step rod lock hook is to stick up the release portion gone forward outside foot lever, and lower forward foot in a step rod lock hook is even
It is connected to elastic component thus gives the hook portion trend near lower forward foot in a step rod lock portion;The release portion of the hook of forward foot in a step rod lock instantly is folded
Rear foot lever when pushing back, the hook portion of lower forward foot in a step rod lock hook and lower forward foot in a step rod lock part from, thus lower front foot lever can be with folding;
When rear foot lever and lower front foot lever launch, the release portion of lower forward foot in a step rod lock hook outwards sticks up, the hook portion of lower forward foot in a step rod lock hook
Coordinate with lower forward foot in a step rod lock portion hook, thus lower front foot lever is affixed with foot lever locking of going forward.So, employing lock hook form will
Before lower foot lever be folded with after side frame folding, more meet use habit, and pass through interoperation so that folding operation
Simpler convenience.
In order to solve the problem of " after left and right sides support doubling is drawn in, because position of taking is to easily scattering ", the 4th
It is provided with side frame doubling locking mechanism on cross bar, locks including the doubling locking switch being slidably arranged on the 4th cross bar and doubling
Pin, one end of doubling stop pin is connected with doubling locking switch, and the other end of doubling stop pin stretches out the end of the 4th cross bar also
Coordinating with the lock hole grafting being arranged on cross bar installation arm thus both locked affixed, cross bar is installed arm and is fixed on pushing hands
On bar, cross bar is installed the end of arm and is provided with the most corresponding side frame doubled state and two lock holes of side frame deployed condition.This
Sample, can realize locking in side frame doubled state and side frame deployed condition, needs to operate doubling locking switch and could unlock receipts
Folding.
Ceiling frame be sleeved on the 4th cross bar can before and after upset, and by bit-stopping structure make its can set level confession sunshade make
With.
The use process of above-mentioned baby carriage is as follows:
Baby carriage launch use state time, upper pushing hands rod lock mechanism, middle pushing hands rod lock mechanism, locking of returning the vehicle to the garage and knock off
Mechanism, forward foot in a step rod lock mechanism and side frame doubling locking mechanism are in locking affixed state, and whole vehicle frame supports firm.Accurate
Standby return the vehicle to the garage and knock off folding time, first ceiling frame is rotated to pushing hands bar parastate;When starting to return the vehicle to the garage and knock off, press the upper of pushing hands bar on the handle
Pushing hands bar telescoping switch, pushing hands rod lock mechanism in release, push down on, upper pushing hands bar is shunk passage at the bottom of middle pushing hands bar
Portion;Then pull the switch that returns the vehicle to the garage and knock off, discharge the locking mechanism that returns the vehicle to the garage and knock off, make to unlock between back support rod and lower pushing hands bar, push down on
Pressure, by the first quadric chain folding being made up of front support rod, back support rod, foot lever of going forward, lower pushing hands bar of side frames, makes
Before must descending pushing hands bar upwards, foot lever moves and draws close, and front support rod is driven by the upper forward foot in a step by the first connecting rod affixed with it simultaneously
Second quadric chain folding of bar, first connecting rod, second connecting rod composition, thus before pulling rear foot lever upwards, foot lever moves and leans on
Hold together;After back support rod turns to certain position, by be linked so that middle pushing hands rod lock mechanism discharge, lower pushing hands bar with
Middle pushing hands bar unlocks, and continues to push against, make lower pushing hands bar upwards before pushing hands bar in folding while foot lever motion.Pushing hands
First quadric chain of bar, front and back support bar composition and rear foot lever are accommodated in the both sides of foot lever of going forward respectively, and rear foot lever is by front
Foot lever locking mechanism discharges.Front-wheel is adjusted to forward position, lower front foot lever is folded to below rear foot lever, go forward foot lever and
Descend hook-shaped design under the front hinged cooperation position of foot lever that the dislocation of front and back wheel is arranged more reasonable.Side frame doubling locking is pulled to open
Close, release side frames doubling locking, by side frames along the both sides of the first cross bar, the second cross bar, the 3rd cross bar and the 4th cross bar
Hinge axes turns down, and after side frames doubling puts in place, side frames is locked by side frame doubling locking mechanism, completes whole vehicle frame folding.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is one of folding schematic diagram of the present invention;
Fig. 3 is the two of the folding schematic diagram of the present invention;
Fig. 4 is the three of the folding schematic diagram of the present invention;
Fig. 5 is the four of the folding schematic diagram of the present invention;
Fig. 6 is the five of the folding schematic diagram of the present invention;
Fig. 7 is the six of the folding schematic diagram of the present invention;
Fig. 8 is the seven of the folding schematic diagram of the present invention;
Fig. 9 is the eight of the folding schematic diagram of the present invention;
Figure 10 is the nine of the folding schematic diagram of the present invention;
Figure 11 is the ten of the folding schematic diagram of the present invention;
Figure 12 is the side view of the present invention;
Figure 13 is the structural representation of upper pushing hands rod lock mechanism;
Figure 14 is the structural representation of locking mechanism of returning the vehicle to the garage and knock off;
Figure 15 is one of structural representation of middle pushing hands rod lock mechanism;
Figure 16 is the two of the structural representation of middle pushing hands rod lock mechanism;
Figure 17 is the structural representation of forward foot in a step rod lock mechanism;
Figure 18 is the structural representation of side frame doubling locking mechanism.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " clockwise ", " inverse
Hour hands " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description
Invention and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific square
Position structure and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple " are meant that two
Individual or two or more, unless otherwise clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;It can be machine
Tool connects, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection within part.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it
Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include that fisrt feature immediately below second feature and obliquely downward, or is merely representative of
Fisrt feature level height is less than second feature.
As shown in figs. 1 and 12, a kind of baby carriage, including two side frames being symmetrically arranged and be connected to two
Cross bar between side frame, each side frame includes front foot lever 10, rear foot lever 20 and pushing hands bar, is provided with front-wheel below front foot lever 10
13, below rear foot lever 20, trailing wheel 21 is installed.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, pushing hands bar include pushing hands bar hands 611, upper pushing hands bar 61, middle pushing hands bar 62
With lower pushing hands bar 50, upper pushing hands bar 61 is can be plugged in the way of stretching up and down in middle pushing hands bar 62 and by upper pushing hands lever lock
Determining mechanism and realize that locking is affixed or release is flexible, the lower end of middle pushing hands bar 62 and the upper end thereof of lower pushing hands bar 50 also push away in passing through
Hand lever locking mechanism realizes locking affixed or release folding.
In the prior art, pushing hands bar typically uses up and down flexible two-stage structure, and the pushing hands bar of baby carriage
Operating altitude range is usually clear and definite, and the length range thus determining pushing hands bar is fixing, uses two-part pushing hands
Bar, after contraction, still length is longer, so makes the vehicle frame volume after folding the biggest.As used three sections of stretching structures, then exist
Locking mechanism is complicated and cannot be locked in higher position by the single switch of neighbouring hands handle or be discharged, the most not side
Just use, and easily form potential safety hazard.And in the present invention, by shrinking between upper pushing hands bar and middle pushing hands bar, middle pushing hands
By folding between bar and lower pushing hands bar, such three stage structure controls that stroke is short and simple in construction, and can be with support
Two quadric chains of side frame form linkage, can simplify locking mechanism, reduce and expose switch, improve operation convenience and can
By property.
As shown in Figures 1 to 6, front foot lever 10 is divided into go forward foot lever 11 and lower front foot lever 12, and lower front foot lever 12 lower end is installed
Front-wheel 13, the upper end of lower front foot lever 12 is hinged with the lower end of foot lever 11 of going forward, the lower end of front support rod 30 and foot lever 11 of going forward
Middle part is hinged, and the upper end of front support rod 30 is hinged with the lower end of lower pushing hands bar 50, the upper end of back support rod 40 and lower pushing hands bar 50
Middle part hinged, the upper end thereof of the lower end of back support rod 40 and vertical supporting rod 14, the lower end of vertical supporting rod 14 and rear foot lever 20
Upper end thereof, the upper end of the middle part of vertical supporting rod 14 and foot lever 11 of going forward is fixing to be connected or one-body molded;First connecting rod 31
One end is fixing with the lower end of front support rod 30 to be connected or one-body molded, the other end of first connecting rod 31 and one end of second connecting rod 32
Hinged, the other end of second connecting rod 32 is hinged with the middle part of rear foot lever 20;So, go forward to connect between foot lever 11 and lower pushing hands bar 50
Connect front support rod 30 and back support rod 40 and constitute folding first quadric chain, going forward between foot lever 11 and rear foot lever 20
By being sequentially connected with first connecting rod 31 and second connecting rod 32 and constituting the second quadric chain, the first double leval jib machine of folded state
Structure and rear foot lever 20 are stacked in foot lever about 11 both sides of going forward respectively.
Upon deployment, pushing hands bar and front foot lever, rear foot lever are all arranged and between three by two the present invention in angle
Quadric chain realizes linkage and folds, as long as the locking so releasing quadric chain just can easily realize folding, folding side
The most laborsaving, each parts are long for service life;Pushing hands bar is arranged to upper and lower three sections, front foot lever is arranged to two sections, by rear
Strut and the separately folded gathering of rear foot lever, in the both sides up and down of foot lever of going forward, so make the similar length of each rod member and join each other
Closing, foldable structure is more reasonable so that the vehicle frame volume after folding is less.
Wherein, locking is realized by the locking mechanism that returns the vehicle to the garage and knock off between upper end and the middle part of lower pushing hands bar 50 of back support rod 40 solid
Connect or discharge folding.Although returning the vehicle to the garage and knock off locking mechanism can also be arranged on the first quadric chain, the second quadric chain other
Articulated position, but be preferably provided between back support rod 40 and lower pushing hands bar 50, so have an advantage that 1, seat general
Being arranged between back support rod and lower pushing hands bar, the locking mechanism that returns the vehicle to the garage and knock off is also disposed at here, and direct locking has preferably locking
Effect;2, the middle part at lower pushing hands bar 50 has enough spaces and may be used for hiding setting and return the vehicle to the garage and knock off locking mechanism, the most not only
Joint and locking mechanism exposure, forward easily being played by child can be avoided to cause potential safety hazard, and carry to the locking mechanism that returns the vehicle to the garage and knock off
Supply more design alternative, the more reliable and more stable locking mechanism that returns the vehicle to the garage and knock off can have been designed;3, the locking switch that returns the vehicle to the garage and knock off is generally located on
On pushing hands bar, such design not only makes to return the vehicle to the garage and knock off locking mechanism simple in construction, easy to use and reliable, and is also convenient for and pushing hands bar
On other locking mechanisms linkage, with reduce expose switch.
As shown in figure 17, the lower end of foot lever 11 of going forward and the upper end of lower front foot lever 12 are hook-shaped in cooperating down respectively,
The go forward jointed shaft 122 of upper end of the lower end of foot lever 11 and lower front foot lever 12 is arranged on down hook-shaped head, foot lever 11 of going forward
The upper end of lower end and lower front foot lever 12 realizes locking affixed or releasing by the forward foot in a step rod lock mechanism being arranged on down hook-shaped root
Put folding.Go forward foot lever and lower front foot lever use under hook-shaped articulated structure, not only have and preferably support switching performance, and make
Before and after after must folding, wheel has the arrangement space that more reasonably misplaces.
Cross bar includes:
First cross bar 70, be arranged on side frames goes forward between foot lever 11 top, and the two ends of the first cross bar 70 are respectively with two
It is hinged that arm installed by the cross bar that foot lever 11 top of going forward of side frame extends out;Or, it is arranged on the back support rod 40 times of side frames
Between portion, it is hinged that arm installed by the cross bar that the two ends of the first cross bar 70 extend out with back support rod 40 bottom of side frames respectively;
So may insure that vertical supporting rod 14 and back support rod 40 hinged firmly thus ensure the first quadric chain stabilized structure.This reality
Execute between back support rod 40 bottom that example is preferably provided at side frames, so when seat bar 41 be arranged on back support rod 40 and under push away
Time on hand lever 50, it is arranged on the seat webbing in both sides seat bar 41 and the first cross bar 70 respectively to the back support rod 40 of side frames
Two ends are all connected up and down, further ensure Stability Analysis of Structures.
Second cross bar 80, be arranged on side frames goes forward between foot lever 11 bottom, and the two ends of the second cross bar 80 are respectively with two
It is hinged that arm installed by the cross bar that foot lever 11 bottom of going forward of side frame extends out;So may insure that between the front foot lever 10 of side frames
Stable connection, the second cross bar 80 plays foot-operated effect simultaneously.
3rd cross bar 25, is arranged between the rear foot lever 20 of side frames, the two ends of the 3rd cross bar 25 respectively with side frames
It is hinged that arm installed by the cross bar that rear foot lever 20 extends out;So may insure that stable connection between the rear foot lever 20 of side frames.
4th cross bar 65, is arranged between the upper pushing hands bar 61 of side frames, the two ends of the 4th cross bar 65 respectively with side frames
The cross bar that extends out of upper pushing hands bar 61 to install arm hinged;Or, it is arranged on the pushing hands bar hands of side frames between 611,
It is hinged that arm installed by the cross bar that the two ends of four cross bars 65 extend out 611 with pushing hands bar hands respectively.So may insure that side frames
Pushing hands bar between stable connection.
As it is shown in figure 1, when side frames is in expansion lock-out state, first cross bar the 70, second cross bar the 80, the 3rd cross bar 25
It is distributed in different planes with the jointed shaft on the 4th cross bar 65;As shown in Fig. 6-Figure 11, when side frames is in gathering rugosity
During state, the jointed shaft on first cross bar the 70, second cross bar the 80, the 3rd cross bar 25 and the 4th cross bar 65 is positioned on same axis.This
Sample, when side frame draws in and folds, can carry out to turnover to side frames along same axis so that the vehicle frame volume after folding is more
Little;And when side frame launches locking, may insure that again Stability Analysis of Structures, it is to avoid go-cart in use produces and loosens or folding.
First cross bar is arranged on the foot lever position near rear foot lever of going forward, and the second cross bar is arranged close to the portion of lower front foot lever
Position.Reason is so selected to be in limited space, as far as possible can be in fixing both sides away from the first cross bar and the second cross bar
Foot lever aspect of going forward obtains the bigger arm of force, i.e. just can stablize the foot lever of going forward of both sides by less power.Meanwhile, the first cross bar peace
It is contained in foot lever of going forward and the position of rear foot lever is provided with vertical supporting rod, for the position that multiple parts are hinged, can carry at this
The integral rigidity of high joint part, thus improve car load rigidity.
The mounting structure of above-mentioned each cross bar may refer to the patent of Publication No. CN103507846A and CN204222933U
Document, the present embodiment illustrates as a example by the 3rd cross bar 25, is provided with the cross bar peace for installing and fold on rear foot lever 20
Dress arm, cross bar installs arm and is divided into and the fixing afterbody of rear foot lever 20 and the head away from rear foot lever 20, and the head of arm installed by cross bar
On jointed shaft is installed, same is provided with for storage cross bar during to turnover being installed the horizontal stroke of arm at side frame on the 3rd cross bar 25
Arm accommodating groove installed by bar, and the upper and lower installing arm accommodating groove at cross bar is arranged with the cross bar installing hole that coordination hinge axle is installed.
Cross bar is installed the shape and structure of arm and can be designed according to the needs that parts when folding be dodged with structure support.
The mounting structure of seat and seat webbing can use the structure used in Folding trolley of the prior art,
The present invention only provides a kind of preferred implementation for explanation: as it is shown in figure 1, seat bar 41 is by the first connector 411 and the
Two connectors 412 are arranged on back support rod 40 and lower pushing hands bar 50, the first connector 411 hinged with back support rod 40 and with seat
Chair bar 41 is fixing to be connected, and the second connector 412 is arranged on lower pushing hands bar 50, and seat bar 41 is shelved on the second connector 412
Or it is slidably connected with the second connector 412 sleeve, soft entirely through on sheathed pushing hands bar of the seat bar 41 of side frames
Material and car body keep being stably connected with.The load-bearing of seat bar 41 is by first connector the 411, second connector 412 and flexible material
Shared.Wherein flexible material can be to select the form of cloth set.
Above-mentioned upper pushing hands rod lock mechanism can use the structure used in Folding trolley of the prior art, and
The present invention uses a kind of preferred implementation, is described as follows:
As shown in Figure 12 and Figure 13, upper pushing hands rod lock mechanism includes pushing hands bar telescoping switch 6111, upper pushing hands rod lock
Pin 613, shell fragment 614 and shell fragment set 612, shell fragment 614 is fixed on the insertion section of pushing hands bar 62, shell fragment during pushing hands bar 61 inserts
The fixing upper pushing hands lever lock rationed marketing 613 of the outer warping end of 614, upper pushing hands lever lock rationed marketing 613 stretch out pushing hands bar 61 and with middle pushing hands bar
Lock pin holes on 62 coordinates, and shell fragment set 612 is set in outside shell fragment 614 and is included in by the outer warping end of Sliding Control shell fragment 614
Or stick up, shell fragment set 612 is connected the upper pushing hands bar telescoping switch 6111 on 611 with being arranged on pushing hands bar hands by steel wire.Press
When going up down pushing hands bar telescoping switch 6111, steel wire pulls shell fragment set 612 slip that the outer warping end of shell fragment 614 is included in shell fragment set 612
Make the lock pin holes on the upper pushing hands lever lock rationed marketing 613 therefrom pushing hands bar 62 on shell fragment 614 outer warping end deviates to unlock
State, so go up pushing hands bar 61 can move up and down in middle pushing hands bar 62 realize pushing hands bar stretch;Unclamp and press pushing hands bar
Telescoping switch 6111, after upper pushing hands bar 61 moves into place, shell fragment 614 resets under its own resilient effect, the outer warping end of shell fragment 614
Stick up the lock pin holes on pushing hands bar 62 during shell fragment set 612 makes the upper pushing hands lever lock rationed marketing 613 on shell fragment 614 outer warping end insert
In realize position locking.Middle pushing hands bar 62 arranges multiple lock pin holes, so can regulate the height of pushing hands bar with convenient
User uses.
The above-mentioned locking mechanism that returns the vehicle to the garage and knock off can use the structure used in Folding trolley of the prior art, such as public
The number of opening is the structure disclosed in the patent documentation of CN201257998Y, and the present invention uses a kind of preferred implementation, illustrates such as
Under:
As shown in Figure 12, Figure 14, the locking mechanism that returns the vehicle to the garage and knock off includes return the vehicle to the garage and knock off switch 621 and side frame locking piece 51, lower pushing hands bar 50
Middle part be provided with the groove 52 that can accommodate back support rod 40 upper end, in this groove 52 is inserted in the upper end of back support rod 40 and with this
The sidewall of groove by jointed shaft hinged, the upper end of back support rod 40 is provided with sticking department 42, when back support rod 40 relative under push away
When hand lever 50 rotates, sticking department 42 can be movable in groove 52, and side frame locking piece 51 is slidably arranged in lower pushing hands bar 50, peace
The switch 621 that returns the vehicle to the garage and knock off being contained on pushing hands bar 62 is connected with side frame locking piece 51 by steel wire;When side frame locking piece 51 stretches into recessed
When coordinating location with the sticking department 42 of back support rod 40 upper end in groove 52, back support rod 40 can not rotate relative to lower pushing hands bar 50
Thus it is affixed to realize both lockings, two quadric chains of such side frame are locked cannot be movable;When side frame locking piece 51 moves back
When returning and separate with the sticking department 42 of back support rod 40 upper end, back support rod 40 can rotate, so relative to lower pushing hands bar 50
Two quadric chains of side frame activity can carry out folding.So, not only return the vehicle to the garage and knock off the switch connection stroke with side frame locking piece
Short, simple in construction, locking is effective, and the locking mechanism that returns the vehicle to the garage and knock off is hidden and is arranged in the middle part of lower pushing hands bar, and position is after seat
Top is difficult to by child getting in contact, safer.
Wherein, side frame locking piece 51 and sticking department 42 preferably employ clamping, wedge surface or pin joint and realize coordinating location, so have
There is more preferable locking effect;Side frame locking piece 51 is stretched in groove 52 by acting force of the spring.
Above-mentioned middle pushing hands rod lock mechanism can use the structure used in Folding trolley of the prior art, and
The present invention uses a kind of preferred implementation, is described as follows:
As shown in Figure 12, Figure 15, Figure 16, middle pushing hands rod lock mechanism includes STATEMENT OF FEDERALLY SPONSORED 53 and middle pushing hands lever lock locking member 54,
STATEMENT OF FEDERALLY SPONSORED 53 is slidably arranged in the middle part of lower pushing hands bar 50 and is connected with the linkage portion 44 being arranged on back support rod 40 upper end, in push away
Hand lever locking piece 54 is slidably arranged in lower pushing hands bar 50 top and joins with lock hole 622 grafting being arranged on middle pushing hands bar 62 lower end
Closing, middle pushing hands lever lock locking member 54 is connected with STATEMENT OF FEDERALLY SPONSORED 53 by steel wire, and middle pushing hands lever lock locking member 54 is given by spring in inserting
The trend of the lock hole 622 on pushing hands bar 62;When back support rod 40 rotates relative to lower pushing hands bar 50, linkage portion 44 drives connection
Moving part 53 moves, and STATEMENT OF FEDERALLY SPONSORED 53 is by steel wire band disorder of internal organs pushing hands lever lock locking member 54 and lock hole 622 grafting on middle pushing hands bar 62
Locking or separation release.So, the folding of the locking of middle pushing hands bar 62 folding and release with quadric chain is linked,
Need not additionally increase and expose pushing hands bar folding during switch controls, reduce cost, improve safety, and by coordinating
Pushing hands lever lock locking member 54, STATEMENT OF FEDERALLY SPONSORED 53 and the matching relationship of linkage portion 44 in design, can be in quadric chain folding to suitable
The folding of middle pushing hands bar is restarted in position, use convenient rationally.
Linkage portion 44 can be various ways with coordinating of STATEMENT OF FEDERALLY SPONSORED 53, as long as can be converted to draw by the rotation of linkage portion
Dynamic steel wire.Preferred in the present embodiment, as shown in figure 15, linkage portion 44 is by STATEMENT OF FEDERALLY SPONSORED 53 hook of hanging groove with hook form
Hang and connect, simple in construction, coordinate reliable, volume is little.In other embodiments, both can also be by elongated groove/opening and pin
The mode of post coordinates, it is also possible to be that the wire loop of steel wire is directly articulated in linkage portion.
Because the moving direction of middle pushing hands lever lock locking member 54 is inconsistent with the moving direction of STATEMENT OF FEDERALLY SPONSORED 53, so middle pushing hands bar
Locking piece 54 and STATEMENT OF FEDERALLY SPONSORED 53 need to be connected by turning member, and this turning member can be the pulley detoured for steel wire or prop up
Post.Preferred in the present embodiment, as shown in figure 16, internal in the upper end of lower pushing hands bar 50 hinged a lever piece 55, lever are set
One end of part 55 is flexibly connected with middle pushing hands lever lock locking member 54 by elongated groove/opening, pin, and the other end of lever piece 55 passes through steel
Line is connected with STATEMENT OF FEDERALLY SPONSORED 53, such simple in construction, easy to adjust.
Middle pushing hands lever lock locking member 54 is referred to publication number with the grafting fit structure of the lock hole 622 on middle pushing hands bar 62
For the lock gear structure in the patent documentation of CN204415487U.Preferred in the present embodiment, as shown in figure 16, middle pushing hands bar
Locking piece 54 is a pin, and this pin is not coaxial with the jointed shaft of middle pushing hands bar 62 and lower pushing hands bar 50, such simple in construction, body
Long-pending little, locking is reliable.
As shown in figure 17, above-mentioned forward foot in a step rod lock mechanism, including lower forward foot in a step rod lock hook 111 and lower forward foot in a step rod lock portion
121, hinged being arranged in the middle part of lower forward foot in a step rod lock hook 111 is gone forward in 11 times hook-shaped roots of foot lever, lower forward foot in a step rod lock hook
One end of 111 is the hook portion 1112 coordinated with lower forward foot in a step rod lock portion 121 hook, and one end of lower forward foot in a step rod lock hook 111 is for sticking up
Go out to go forward the release portion 1111 outside foot lever 11, and lower forward foot in a step rod lock hook 111 connects flexible part thus to give hook portion 1112 close
The trend in lower forward foot in a step rod lock portion 121;The rear foot lever 20 that the release portion 1111 of the hook of forward foot in a step rod lock instantly 111 is folded pushes back
Time, the hook portion 1112 of lower forward foot in a step rod lock hook 111 separates with lower forward foot in a step rod lock portion 121, thus lower front foot lever 12 can be with folding;
When rear foot lever 20 and lower front foot lever 12 launch, the release portion 1111 of lower forward foot in a step rod lock hook 111 outwards sticks up, lower forward foot in a step lever lock
The hook portion 1112 determining hook 111 coordinates with lower forward foot in a step rod lock portion 121 hook, thus lower front foot lever 12 is solid with foot lever 11 locking of going forward
Connect.So, use lock hook form to be folded with after side frame folding by lower front foot lever, more meet use habit, and
Pass through interoperation so that the simpler convenience of folding operation.
In order to solve the problem of " after left and right sides support doubling is drawn in, because position of taking is to easily scattering ", the 4th
Side frame doubling locking mechanism it is provided with, as shown in Fig. 1, Figure 18, including the doubling being slidably arranged on the 4th cross bar 65 on cross bar
Locking switch 651 and doubling stop pin 6511, one end of doubling stop pin 6511 is connected with doubling locking switch 651, and doubling is locked
The other end of rationed marketing 6511 stretches out the end of the 4th cross bar 65 and installs lock hole 6121 grafting on arm 612 with being arranged on cross bar
Coordinating thus both locked affixed, cross bar is installed arm 611 and is fixed on pushing hands bar 61, and cross bar is installed the end of arm 611 and set
It is equipped with the most corresponding side frame doubled state and two lock holes 6121 of side frame deployed condition.So, in side frame doubled state and
Side frame deployed condition can realize locking, needs to operate doubling locking switch and could unlock folding.
As shown in Figure 1, Figure 2, shown in Figure 18, ceiling frame 652 be sleeved on the 4th cross bar 65 can before and after upset, and pass through stop bit
Structure makes it can set level for sunshade.
The use process of above-mentioned baby carriage is as follows:
As it is shown in figure 1, baby carriage is when launching use state, upper pushing hands rod lock mechanism, middle pushing hands rod lock machine
Structure, the locking mechanism that returns the vehicle to the garage and knock off, forward foot in a step rod lock mechanism and side frame doubling locking mechanism are in locking affixed state, whole vehicle frame
Support firm.
As in figure 2 it is shown, prepare return the vehicle to the garage and knock off folding time, first ceiling frame 652 is rotated to pushing hands bar parastate;
As it is shown on figure 3, pressing pushing hands bar hands is the upper pushing hands bar telescoping switch 6111 on 611, pushing hands rod lock in release
Mechanism, pushes down on, and is shunk by upper pushing hands bar 61 bottom passage extremely middle pushing hands bar 62;
As shown in Figure 4, then pull the switch 621 that returns the vehicle to the garage and knock off, discharge the locking mechanism that returns the vehicle to the garage and knock off, make back support rod 40 and lower pushing hands bar
Unlock between 50, push down on, by side frames by front support rod 30, back support rod 40, foot lever 11 of going forward, lower pushing hands bar
First quadric chain folding of 50 compositions so that lower pushing hands bar 50 upwards front foot lever 11 moves and draws close, front support rod simultaneously
30 drive, by the first connecting rod 31 affixed with it, the two or four be made up of foot lever 11 of going forward, first connecting rod 31, second connecting rod 32
Linkage folding, thus before pulling rear foot lever 20 upwards, foot lever 11 moves and draws close;
As it is shown in figure 5, after back support rod 40 turns to certain position, by being linked so that middle pushing hands rod lock machine
Structure discharge, lower pushing hands bar 50 unlocks with middle pushing hands bar 62, continues to push against, make lower pushing hands bar 50 upwards before foot lever 11 move
While pushing hands bar 62 in folding.
As shown in Figure 6, the first quadric chain and the rear foot lever 20 of pushing hands bar, front and back support bar composition is accommodated in respectively
The both sides of front foot lever 11, forward foot in a step rod lock mechanism is discharged by rear foot lever 20.
As it is shown in fig. 7, front-wheel 13 is adjusted to forward position, lower front foot lever 12 is folded to below rear foot lever 20, as
Shown in Fig. 8, under go forward foot lever and the lower hinged cooperation position of front foot lever hook-shaped design make front and back wheel dislocation arrange more reasonable.
As it is shown in figure 9, pull side frame doubling locking switch 651, release side frames doubling locking, side frames is horizontal along first
The hinge axes turnover of the both sides of bar the 70, second cross bar the 80, the 3rd cross bar 25 and the 4th cross bar 65, as shown in Figure 10, Figure 11, two
After side frame doubling puts in place, side frames is locked by side frame doubling locking mechanism, completes whole vehicle frame folding.
A kind of collapsing mechanism of baby carriage, including two side frames being symmetrically arranged and be connected to side frames it
Between cross bar, each side frame includes front foot lever 10, rear foot lever 20 and pushing hands bar, is provided with front-wheel 13, the rear foot below front foot lever 10
Being provided with trailing wheel 21 below bar 20, the lower end of front support rod 30 is hinged with the middle part of front foot lever 10, the upper end of front support rod 30 with
The lower end of pushing hands bar is hinged, and the upper end of back support rod 40 is hinged with the middle part of pushing hands bar, and the lower end of back support rod 40 is erected with supporting
The upper end thereof of the upper end thereof of bar 14, the lower end of vertical supporting rod 14 and rear foot lever 20, the middle part of vertical supporting rod 14 and front foot lever
The upper end of 10 is fixing to be connected or one-body molded;One end of first connecting rod 31 is fixing with the lower end of front support rod 30 to be connected or one one-tenth
Type, the other end of first connecting rod 31 is hinged with one end of second connecting rod 32, in the other end of second connecting rod 32 and rear foot lever 20
Portion is hinged;So, it is connected front support rod 30 and back support rod 40 between front foot lever 10 and pushing hands bar and constitutes folding first
Quadric chain, by being sequentially connected with first connecting rod 31 and second connecting rod 32 and constituting second between front foot lever 10 and rear foot lever 20
Quadric chain, the first quadric chain of folded state and rear foot lever 20 are stacked in front foot lever about 10 both sides respectively;Wherein,
Realize locking affixed or release folding by the locking mechanism that returns the vehicle to the garage and knock off between upper end and the middle part of pushing hands bar of back support rod 40.
A kind of baby carriage, including collapsing mechanism as above.
The method for folding that returns the vehicle to the garage and knock off of a kind of baby carriage as above, pulls the switch 621 that returns the vehicle to the garage and knock off, and discharges the locking machine that returns the vehicle to the garage and knock off
Structure, makes to unlock between back support rod 40 and pushing hands bar, pushes down on, by side frames by front support rod 30, back support rod
40, front foot lever 10, the first quadric chain folding of pushing hands bar composition so that pushing hands bar upwards front foot lever 11 moves and draws close,
Front support rod 30 is driven by front foot lever 10, first connecting rod 31, second connecting rod 32 groups by the first connecting rod 31 affixed with it simultaneously
The the second quadric chain folding become, thus before pulling rear foot lever 20 upwards, foot lever 11 moves and draws close;Continue to push against, pushing hands
First quadric chain of bar, front and back support bar composition and rear foot lever 20 are accommodated in the both sides of front foot lever 10 respectively.
The foot lever of a kind of baby carriage, including front foot lever 10 and rear foot lever 20, described front foot lever 10 is divided into foot lever of going forward
11 and lower front foot lever 12, front-wheel 13 is installed in lower front foot lever 12 lower end, and the lower end of the upper end of lower front foot lever 12 and foot lever 11 of going forward is cut with scissors
Connect, trailing wheel 21 be installed below rear foot lever 20, the upper end thereof of the upper end of rear foot lever 20 and foot lever 11 of going forward, described in go forward foot lever
The lower end of 11 and the upper end of lower front foot lever 12 are hook-shaped in cooperating down respectively, the lower end of foot lever 11 of going forward and lower front foot lever 12
The jointed shaft 122 of upper end be arranged on down hook-shaped head, the lower end of foot lever 11 of going forward and the upper end of lower front foot lever 12 are by setting
Put under the forward foot in a step rod lock mechanism of hook-shaped root realize that locking is affixed or release folding.
A kind of baby carriage, including two side frames being symmetrically arranged and the cross bar being connected between side frames,
Each side frame includes foot lever and pushing hands bar, and described foot lever is foot lever as above.
The foot lever method for folding of a kind of baby carriage as above, is accommodated in the foot lever 11 times of going forward by rear foot lever 20
Side, forward foot in a step rod lock mechanism is discharged, lower front foot lever 12 is folded to the lower section of rear foot lever 20 by rear foot lever 20.
A kind of pushing hands bar of baby carriage, including pushing hands bar hands 611, upper pushing hands bar 61, middle pushing hands bar 62 and under push away
Hand lever 50, upper pushing hands bar 61 is can be plugged in the way of stretching up and down in middle pushing hands bar 62 and by upper pushing hands rod lock mechanism
Realize that locking is affixed or release is flexible, the lower end of middle pushing hands bar 62 and the upper end thereof of lower pushing hands bar 50 by middle pushing hands lever lock
Determine mechanism to realize locking affixed or release folding.
A kind of baby carriage, including two side frames being symmetrically arranged and the cross bar being connected between side frames,
Each side frame includes that foot lever and pushing hands bar, described pushing hands bar are pushing hands bars as above.
A kind of pushing hands bar folding method of baby carriage, pressing pushing hands bar hands is the upper pushing hands bar telescoping switch on 611
6111, pushing hands rod lock mechanism in release, push down on, upper pushing hands bar 61 is shunk in passage extremely middle pushing hands bar 62;Then make
Lower pushing hands bar 50 rotates relative to support member, and by being linked so that middle pushing hands rod lock mechanism discharges, lower pushing hands bar 50
Unlock with middle pushing hands bar 62, continue to push against, make lower pushing hands bar 50 together with the folding of middle pushing hands bar 62.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art is without departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, revise, replace and modification.All the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a baby carriage, including two side frames being symmetrically arranged and the cross bar being connected between side frames, often
Individual side frame includes that front foot lever (10), rear foot lever (20) and pushing hands bar, front foot lever (10) lower section are provided with front-wheel (13), rear foot lever
(20) lower section trailing wheel (21) is installed, it is characterised in that described pushing hands bar include pushing hands bar hands (611), upper pushing hands bar (61),
Middle pushing hands bar (62) and lower pushing hands bar (50), upper pushing hands bar (61) is can be plugged in middle pushing hands bar (62) in the way of stretching up and down
In and realized by upper pushing hands rod lock mechanism that locking is affixed or release is flexible, the lower end of middle pushing hands bar (62) and lower pushing hands bar
(50) upper end thereof the affixed or release folding by the realization locking of middle pushing hands rod lock mechanism;Described front foot lever (10) is divided into
Going forward foot lever (11) and lower front foot lever (12), front-wheel (13) is installed in lower front foot lever (12) lower end, the upper end of lower front foot lever (12) with
The go forward lower end of foot lever (11) is hinged, and the lower end of front support rod (30) is hinged with the middle part of foot lever of going forward (11), front support rod
(30) upper end is hinged with the lower end of lower pushing hands bar (50), the middle part hinge of the upper end of back support rod (40) and lower pushing hands bar (50)
Connect, the lower end of back support rod (40) and the upper end thereof of vertical supporting rod (14), the lower end of vertical supporting rod (14) and rear foot lever (20)
Upper end thereof, the upper end of the middle part of vertical supporting rod (14) and foot lever of going forward (11) is fixing to be connected or one-body molded;First connecting rod
(31) one end is fixing with the lower end of front support rod (30) to be connected or one-body molded, and the other end of first connecting rod (31) and second is even
One end of bar (32) is hinged, and the other end of second connecting rod (32) is hinged with the middle part of rear foot lever (20);So, go forward foot lever (11)
It is connected front support rod (30) and back support rod (40) with between lower pushing hands bar (50) and constitutes folding first quadric chain,
Go forward between foot lever (11) and rear foot lever (20) by being sequentially connected with first connecting rod (31) and second connecting rod (32) and constituting second
Quadric chain, the first quadric chain of folded state and rear foot lever (20) are stacked in foot lever of going forward (11) upper and lower two respectively
Side.
A kind of baby carriage the most according to claim 1, it is characterised in that described cross bar includes:
First cross bar (70), is arranged between foot lever of going forward (11) top of side frames, the two ends of the first cross bar (70) respectively with
It is hinged that arm installed by the cross bar that foot lever of going forward (11) top of side frames extends out;Or, it is arranged on the back support rod of side frames
(40) between bottom, the cross bar peace that back support rod (40) bottom with side frames respectively, the two ends of the first cross bar (70) extends out
Dress arm is hinged;
Second cross bar (80), is arranged between foot lever of going forward (11) bottom of side frames, the two ends of the second cross bar (80) respectively with
It is hinged that arm installed by the cross bar that foot lever of going forward (11) bottom of side frames extends out;
3rd cross bar (25), is arranged between the rear foot lever (20) of side frames, the two ends of the 3rd cross bar (25) respectively with side frames
The cross bar that extends out of rear foot lever (20) to install arm hinged;
4th cross bar (65), is arranged between the upper pushing hands bar (61) of side frames, the two ends of the 4th cross bar (65) respectively with both sides
It is hinged that arm installed by the cross bar that the upper pushing hands bar (61) of frame extends out;Or, be arranged on the pushing hands bar hands of side frames (611) it
Between, it is hinged that arm installed by the cross bar that the two ends of the 4th cross bar (65) extend out (611) with pushing hands bar hands respectively;
When side frames is in expansion lock-out state, the first cross bar (70), the second cross bar (80), the 3rd cross bar (25) and the 4th are horizontal
Jointed shaft on bar (65) is distributed in different planes;When side frames is in gathering folded state, the first cross bar (70), second
Jointed shaft on cross bar (80), the 3rd cross bar (25) and the 4th cross bar (65) is positioned on same axis.
A kind of baby carriage the most according to claim 1, it is characterised in that seat bar (41) passes through the first connector
(411) and the second connector (412) is arranged on back support rod (40) and lower pushing hands bar (50), the first connector (411) with after
Support bar (40) is hinged and fixing with seat bar (41) is connected, and the second connector (412) is arranged on lower pushing hands bar (50), seat
Bar (41) is shelved on the second connector (412) and above or is slidably connected with the second connector (412) sleeve.
A kind of baby carriage the most according to claim 1, it is characterised in that described upper pushing hands rod lock mechanism includes
Pushing hands bar telescoping switch (6111), upper pushing hands lever lock rationed marketing (613), shell fragment (614) and shell fragment set (612), shell fragment (614) is fixed
The insertion section of pushing hands bar (62) in upper pushing hands bar (61) is inserted, the fixing upper pushing hands lever lock rationed marketing of the outer warping end of shell fragment (614)
(613), upper pushing hands lever lock rationed marketing (613) is stretched out pushing hands bar (61) and coordinates with the lock pin holes on middle pushing hands bar (62), bullet
Sheet set (612) is set in shell fragment (614) and outward and is included in by the outer warping end of Sliding Control shell fragment (614) or stuck up, shell fragment set
(612) upper pushing hands bar telescoping switch (6111) on (611) is connected with being arranged on pushing hands bar hands by steel wire.
A kind of baby carriage the most according to claim 1, it is characterised in that the upper end of back support rod (40) and lower pushing hands
Realize locking affixed or release folding by the locking mechanism that returns the vehicle to the garage and knock off between the middle part of bar (50);
The described locking mechanism that returns the vehicle to the garage and knock off includes that return the vehicle to the garage and knock off switch (621) and side frame locking piece (51), the middle part of lower pushing hands bar (50) are provided with
Can accommodate the groove (52) of back support rod (40) upper end, it is interior and recessed with this that this groove (52) is inserted in the upper end of back support rod (40)
The sidewall of groove by jointed shaft hinged, the upper end of back support rod (40) is provided with sticking department (42), when back support rod (40) relative to
When lower pushing hands bar (50) rotates, sticking department (42) can be movable in groove (52), and side frame locking piece (51) is slidably arranged in down
In pushing hands bar (50), the switch (621) that returns the vehicle to the garage and knock off is connected with side frame locking piece (51) by steel wire;When side frame locking piece (51) stretches into recessed
When coordinating location with the sticking department (42) of back support rod (40) upper end in groove (52), back support rod (40) is relative to lower pushing hands bar
(50) can not rotate thus realize both and lock affixed, two quadric chains of such side frame are locked cannot be movable;Work as side
When frame locking piece (51) is return and is separated with the sticking department (42) of back support rod (40) upper end, back support rod (40) relative under push away
Hand lever (50) can rotate, and two quadric chains of such side frame activity can carry out folding.
A kind of baby carriage the most according to claim 1, it is characterised in that described middle pushing hands rod lock mechanism includes connection
Moving part (53) and middle pushing hands lever lock locking member (54), STATEMENT OF FEDERALLY SPONSORED (53) be slidably arranged in lower pushing hands bar (50) middle part and be arranged on
The linkage portion (44) of back support rod (40) upper end connects, and middle pushing hands lever lock locking member (54) is slidably arranged in lower pushing hands bar (50) top
And coordinate with lock hole (622) grafting being arranged on middle pushing hands bar (62) lower end, middle pushing hands lever lock locking member (54) by steel wire with
STATEMENT OF FEDERALLY SPONSORED (53) connects, and middle pushing hands lever lock locking member (54) gives the lock hole (622) in inserting on pushing hands bar (62) by spring
Trend;When back support rod (40) rotates relative to lower pushing hands bar (50), linkage portion (44) drives STATEMENT OF FEDERALLY SPONSORED (53) mobile, connection
Moving part (53) by lock hole (622) locking latch on steel wire band disorder of internal organs pushing hands lever lock locking member (54) and middle pushing hands bar (62) or
Person separates release.
A kind of baby carriage the most according to claim 1, it is characterised in that described in go forward foot lever (11) lower end and under
The upper end of front foot lever (12) is hook-shaped in cooperating down respectively, the lower end of foot lever of going forward (11) and the upper end of lower front foot lever (12)
Jointed shaft (122) be arranged on down hook-shaped head, the lower end of foot lever of going forward (11) and the upper end of lower front foot lever (12) are by setting
Put under the forward foot in a step rod lock mechanism of hook-shaped root realize that locking is affixed or release folding.
A kind of baby carriage the most according to claim 7, it is characterised in that described forward foot in a step rod lock mechanism, including under
Forward foot in a step rod lock hook (111) and lower forward foot in a step rod lock portion (121), the middle part of lower forward foot in a step rod lock hook (111) is hinged to be arranged on
In root hook-shaped under front foot lever (11), one end of lower forward foot in a step rod lock hook (111) is and lower forward foot in a step rod lock portion (121) hook
The hook portion (1112) coordinated, one end of lower forward foot in a step rod lock hook (111) is the release portion (1111) sticking up foot lever of going forward (11) outward,
Lower forward foot in a step rod lock hook (111) connects flexible part thus gives hook portion (1112) becoming near lower the forward foot in a step rod lock portion (121)
Gesture;When the rear foot lever (20) that the release portion (1111) of the hook of forward foot in a step rod lock instantly (111) is folded pushes back, lower forward foot in a step rod lock hook
(111) hook portion (1112) separates with lower forward foot in a step rod lock portion (121), thus lower front foot lever (12) can be with folding;Foot lever after when
(20) and time lower front foot lever (12) launches, the release portion (1111) of lower forward foot in a step rod lock hook (111) outwards sticks up, lower forward foot in a step lever lock
The hook portion (1112) determining hook (111) coordinates with lower forward foot in a step rod lock portion (121) hook, thus lower front foot lever (12) and foot lever of going forward
(11) lock affixed.
A kind of baby carriage the most according to claim 1, it is characterised in that be provided with side frame doubling on the 4th cross bar
Locking mechanism, this side frame doubling locking mechanism include being slidably arranged in the doubling locking switch (651) on the 4th cross bar (65) and
Doubling stop pin (6511), one end of doubling stop pin (6511) is connected with doubling locking switch (651), doubling stop pin
(6511) the other end stretches out the end of the 4th cross bar (65) and installs the lock hole (6121) on arm (612) with being arranged on cross bar
Grafting coordinates thus both is locked affixed, and cross bar is installed arm (611) and is fixed on pushing hands bar (61), and arm installed by cross bar
(611) end is provided with the most corresponding side frame doubled state and two lock holes (6121) of side frame deployed condition.
A kind of baby carriage the most according to claim 1, it is characterised in that it is horizontal that a ceiling frame (652) is sleeved on the 4th
Can front and back overturn on bar (65), and make it can set level for sunshade by bit-stopping structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620526768.7U CN205706817U (en) | 2016-06-01 | 2016-06-01 | A kind of baby carriage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620526768.7U CN205706817U (en) | 2016-06-01 | 2016-06-01 | A kind of baby carriage |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205706817U true CN205706817U (en) | 2016-11-23 |
Family
ID=57300793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620526768.7U Withdrawn - After Issue CN205706817U (en) | 2016-06-01 | 2016-06-01 | A kind of baby carriage |
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Country | Link |
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CN (1) | CN205706817U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106428181A (en) * | 2016-06-01 | 2017-02-22 | 浙江晨辉婴宝儿童用品有限公司 | Baby carriage |
-
2016
- 2016-06-01 CN CN201620526768.7U patent/CN205706817U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106428181A (en) * | 2016-06-01 | 2017-02-22 | 浙江晨辉婴宝儿童用品有限公司 | Baby carriage |
CN106428181B (en) * | 2016-06-01 | 2018-10-12 | 浙江晨辉婴宝儿童用品有限公司 | A kind of baby carriage |
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Granted publication date: 20161123 Effective date of abandoning: 20181012 |