CN106428180A - Baby carriage, foot levers thereof and foot lever folding method - Google Patents
Baby carriage, foot levers thereof and foot lever folding method Download PDFInfo
- Publication number
- CN106428180A CN106428180A CN201610383912.0A CN201610383912A CN106428180A CN 106428180 A CN106428180 A CN 106428180A CN 201610383912 A CN201610383912 A CN 201610383912A CN 106428180 A CN106428180 A CN 106428180A
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- Prior art keywords
- foot lever
- foot
- pushing hands
- lever
- hook
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/20—Handle bars; Handles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby carriage, foot levers thereof and a foot lever folding method. The foot levers comprise front foot levers and rear foot levers, wherein each of the front foot levers is divided into an upper front foot lever and a lower front foot lever, and a front wheel is mounted at the lower end of each of the lower front foot levers; the upper ends of the lower front foot levers are hinged to the lower ends of the upper front foot levers, a rear wheel is mounted under each of the rear foot levers, and the upper ends of the rear foot levers are hinged to the upper ends of the upper front foot levers; the lower end of each of the upper front foot levers and the upper end of the corresponding lower front foot lever are respectively in a lower-hook shape in mutual matching; and hinge shafts at the lower ends of the upper front foot levers and the upper ends of the lower front foot levers are arranged at the head of the corresponding lower-hook shape, and the lower ends of the upper front foot levers and the upper ends of the lower front foot levers realize locked fixed connection or unlocked folding through front foot lever locking mechanisms arranged at the roots of the lower hook shapes. The foot lever structure adopting the technical scheme disclosed by the invention is reasonable, small in size after being folded, and convenient to operate.
Description
Technical field
The present invention relates to children trolley technical field, more particularly to a kind of baby carriage that can fold and its pin
Bar, foot lever method for folding.
Background technology
Perambulator is a kind of tool car designing for baby's outdoor activities provide facility, is baby's favorite stroll traffic
Instrument, requirement when even more mother goes shopping with baby.With the progress of productive life, perambulator 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, carries front-wheel support and the rear wheel support of wheel including push rod and bottom, and feature exists
It is 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 after collateral support with base
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
It is flexibly connected, base is passed through foldable locking device and locked with rear wheel support.
The Chinese patent literature of Publication No. CN201347112 discloses a kind of foldable baby carriage vehicle frame, including front
The push rod that the after-poppet that frame is connected with fore-stock rotation is slidably connected with fore-stock, both ends are turned with fore-stock and push rod respectively
The head rod being dynamically connected, one end rotate, with push rod, the seatpost being connected, one end is rotated with push rod and is connected and the other end
Portion is at least one folding latch hook of hook solid, the lock pin with folding latch hook cooperation being arranged on fore-stock.Folding knob
After unblock and folding latch hook unblock, promote push rod to glide, its front end is acted on down by connecting rod, planar movement occurs, by seat
Bar, push rod is close forward to pull after-poppet, completes folding process, when needing to support perambulator, reverse operating above procedure, you can
Complete.
Technique scheme achieves the folding of perambulator, but folding process is relatively cumbersome, simultaneously the joint of multiple exposures
Mechanism and latch-up structure easily damage on children and affect to use safety.
The Chinese patent literature of Publication No. CN201257998 discloses a kind of folding joint for storing foldable baby carriage and is related to
Foldable stroller, including front-wheel support, driver's support, function pull handle and function latch, front-wheel support end is fixedly connected one
Connect lower seat, driver's support front end is fixedly connected a connection seat of honour, under connecting, seat connects with being connected seat of honour rotation, in driver's support
It is installed with bracing wire, there is in front-wheel support and the connection seat of honour accommodating hole of accommodating function latch, 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, partly with the accommodating hole cooperation being connected the seat of honour, or depart from the accommodating hole of front-wheel support, all be connected
The accommodating hole cooperation at the seat of honour.This technical scheme optimizes the position of the switch by bracing wire, improves security, but folding process according to
Old relatively cumbersome.
The Chinese patent literature of Publication No. CN103507846A discloses a kind of children trolley, and stroller frame is included relatively
The left side brackets claiming and right side support, the link being connected between left side brackets and right side support, left side brackets include left front
Frame, left back frame, left side bar, anterior and left front frame rotate the left connecting rod being connected and rotate the left lever being connected and left side with left back frame
The top of bar rotates the left push-rod frame connecting, and 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 rotates and connects, and the top of left front frame, the top of left back frame are rotated with bottom three part of left side bar and is connected, right
Side stand is equally arranged;When stroller frame is in the deployed down, between side arm and side lever, form angle α, the angle model of angle α
Enclose for 165 ° -195 °.This technical scheme still suffers from following problems:1st, upon deployment, side arm, side lever and push-rod frame are launched into one
Straight line, locking mechanism mutually extrudes to lock car body by push-rod frame and side lever, will be rotated by promoting push-rod frame in folding
Form lever and carry out folding, not only folding is inconvenient, needs firmly larger, and force localization, be easily damaged push-rod frame;2nd, push away
Bridge adopts 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 larger;3rd, make vehicle frame volume less as rear wheel need to be drawn in the lump in during folding, then the folding after-frame that needs first to squat down is by rear wheel
After packing up, then two side stands are carried out with folding, inconvenient operation, process are unreasonable, using skill is required too high;4th, left and right two
After side stand doubling is drawn in, not to easily scattering, collection is taken all inconvenient for position of such as taking;5th, locking mechanism and multiple joint
Mechanism exposes, and easily children is damaged and affects to use safety.
The patent document 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 document of Publication No. CN103507846A, is only the double-four link mechanism in two side stands
Linkage structure be slightly different, it there is a problem of same.
The patent document 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
Rotate with the lower end of push rod and be connected formation the first pin joint;The lower end that the upper end of after-poppet is also rotationally connected with push rod forms second
Pin joint, and the second pin joint is located 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 form the 3rd pin joint in the anterior of subbase;The rear portion that the lower end of after-poppet is rotationally connected with subbase forms the 4th
Pin joint;Rear wheel frame is rotationally connected with 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 using chassis holder 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 still larger although wherein also illustrate that push rod is scalable or folding, give also simple
Bending structure, but even if will be still larger for push rod bending Rear frame volume.
Content 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 and its foot lever, foot lever
Method for folding, this foot lever structure is more reasonable, and volume after folding is less, easy to operate.
To achieve the above object, present invention employs following technical scheme:
A kind of foot lever of baby carriage is it is characterised in that include front foot lever (10) and rear foot lever (20), described front foot lever
(10) it is divided into foot lever of going forward (11) and lower front foot lever (12), front-wheel (13), lower front foot lever (12) are installed in lower front foot lever (12) lower end
Upper end hinged with the lower end of foot lever of going forward (11), trailing wheel (21), the upper end of rear foot lever (20) are installed below rear foot lever (20)
Hinged with the upper end of foot lever of going forward (11), the lower end of described foot lever of going forward (11) and the upper end of lower front foot lever (12) are in mutually respectively
Hook-shaped under cooperation, the jointed shaft (122) of the upper end of the lower end of foot lever of going forward (11) and lower front foot lever (12) is arranged on down hook-shaped
Head, the upper end of the lower end of foot lever of going forward (11) and lower front foot lever (12) is by being arranged on down the forward foot in a step lever lock of hook-shaped root
Determine mechanism to realize locking affixed or release folding.
Preferably, by being sequentially connected first connecting rod (31) and between described foot lever of going forward (11) and rear foot lever (20)
Two connecting rods (32) constitute the second quadric chain.
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 is arranged in hook-shaped root under foot lever of going forward (11), lower front foot lever
One end of lock hook (111) is the hook portion (1112) with the cooperation of lower forward foot in a step rod lock portion (121) hook, lower forward foot in a step rod lock hook
(111) one end is to stick up the release portion (1111) foot lever of going forward (11) outward, and lower forward foot in a step rod lock hook (111) is connected with elastic component
Thus giving the trend near lower forward foot in a step rod lock portion (121) for the hook portion (1112);Instantly the release portion of forward foot in a step rod lock hook (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) and foot lever of going forward (11) locking are affixed.
A kind of baby carriage, including two side frames being symmetrically arranged and be connected to cross bar between side frames,
Each side frame includes foot lever and pushing hands bar it is characterised in that described foot lever is foot lever as above.
The foot lever method for folding of a kind of baby carriage as above, rear foot lever (20) is accommodated in foot lever of going forward (11)
Downside, rear foot lever (20) by forward foot in a step rod lock mechanism discharge, lower front foot lever (12) is folded to the lower section of rear foot lever (20).
Above-mentioned front and back position facilitates merely to stating, such as being actually needed, can be by the forward foot in a step in such scheme
Exchanged in bar and rear foot lever, still fallen within protection scope of the present invention.
The present invention due to employing above technical scheme, go forward foot lever and lower front foot lever using under hook-shaped articulated structure,
Not only there is preferable support switching performance, and the front and back wheel after making to fold has more reasonably dislocation arrangement space.
And being folded with lower front foot lever after rear foot lever folding, foot lever of going forward after folding, rear foot lever and lower front foot lever divide
In lower three layers, characteristics of compact layout volume is less, and by interoperation so that the simpler convenience of folding operation, more meeting makes
With custom.
Below the concrete structure of baby carriage of the present invention is further described as follows:
A kind of baby carriage, including two side frames being symmetrically arranged and be connected to cross bar between side frames,
Each side frame includes front foot lever, rear foot lever and pushing hands bar, is provided with front-wheel below front foot lever, is provided with trailing wheel below rear foot lever.
Pushing hands bar include pushing hands bar handle, upper pushing hands bar, middle pushing hands bar and lower pushing hands bar, upper pushing hands bar is stretching up and down
The mode of contracting is plugged in middle pushing hands bar and realizes locking affixed by upper pushing hands rod lock mechanism or discharge flexible, middle pushing hands bar
Lower end and lower pushing hands bar upper end hinged and by middle pushing hands rod lock mechanism realize locking affixed or release folding.
In the prior art, the two-stage structure that the general employing of pushing hands bar is stretched up and down, and the pushing hands bar of baby carriage
Operating altitude range is usually that clearly the length range thus determining pushing hands bar is fixing, using two-part pushing hands
Bar, after contraction still length longer so that fold after vehicle frame volume still larger.As using three sections of stretching structures, then existed
Locking mechanism is complicated and cannot pass through to be locked adjacent to the single switch handling or discharge in higher position, so not only not square
Just use, and easily form potential safety hazard.And in the present invention, pass through between upper pushing hands bar and middle pushing hands bar to shrink, middle pushing hands
Pass through between bar and lower pushing hands bar to fold, such three stage structure controls stroke short and structure is simple, 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, the upper end of lower front foot lever 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 is hinged with the upper end of rear foot lever, and the middle part of vertical supporting rod is fixedly connected with the upper end of foot lever of going forward
Or be integrally formed;One end of first connecting rod is fixedly connected with the lower end of front support rod or is integrally formed, 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, go forward between foot lever and rear foot lever
By be sequentially connected first connecting rod and second connecting rod and constitute the second quadric chain, the first quadric chain of folded state with
Foot lever is stacked in the upper and lower both sides of foot lever of going forward respectively afterwards.
The present invention upon deployment, pushing hands bar and front foot lever, rear foot lever arrange all in angle and three between pass through two
Quadric chain is realized linkage and is folded, as long as folding, folding side just can be easily realized in the locking so releasing quadric chain
Just laborsaving, each part long 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 rear foot lever is separately folded draws in the both sides up and down of foot lever of going forward so that the similar length of each rod member and joining each other
Close, foldable structure is more rationally so that the vehicle frame volume after folding is less.
In order to reach the effect of linkage, baby carriage passes through to pass through front support rod while the first quadric chain folding
It is fixedly connected foot lever after driving the second quadric chain folding and first connecting rod between, as long as just can join thus reaching an action
The purpose of the whole baby carriage of dynamic folding, after the completion of the complete folding of car load, 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 that baby carriage arbitrarily can overturn placement after folding, do not allow
Easily distinguish orientation, and baby carriage in the deployed state when three-dimensional state stable, front foot lever is in horizontal state, because
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 the both sides 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 the middle part of the upper end of back support rod and lower pushing hands bar by return the vehicle to the garage and knock off locking mechanism realize locking affixed or
Release folding.Although the locking mechanism that returns the vehicle to the garage and knock off 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, and so tool has the advantage that:1st, 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;2nd, exist
The middle part of lower pushing hands bar has enough spaces and can be used for hiding setting returns the vehicle to the garage and knock off locking mechanism, so not only can avoid joint
Cause potential safety hazard with locking mechanism exposure, forward easily being played by children, and provide more designs 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;3rd, 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 locking mechanism structure of returning the vehicle to the garage and knock off simple, easy to use and reliable, and be also convenient for and pushing hands bar on other lockings
Mechanism links, and exposes switch to reduce.
Go forward the lower end of foot lever and lower front foot lever upper end be in respectively cooperate down hook-shaped, 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 upper end of the lower end of foot lever of going forward and lower front foot lever is passed through to set
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 adopts
Under hook-shaped articulated structure, not only have preferable support switching performance, and the front and back wheel after making to fold 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
The cross bar installing arm that foot lever top extends out of going forward is hinged;Or, it is arranged between the back support rod bottom of side frames, first
The two ends of cross bar are hinged with the cross bar installing arm that the back support rod bottom of side frames extends out respectively;So may insure support
Montant and back support rod hinged firmly thus ensureing 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 upper and lower ends 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
The cross bar installing arm that foot lever bottom extends out of going forward is hinged;So may insure 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 rear foot lever with side frames respectively of the 3rd cross bar
The cross bar installing arm extending out is hinged;So may insure 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
The cross bar installing arm that hand lever extends out is hinged;Or, be arranged on side frames pushing hands bar handle between, the two ends of the 4th cross bar
Handle the cross bar installing arm extending out respectively with pushing hands bar hinged.So may insure and connect surely between the pushing hands bar of side frames
Gu.
When side frames are 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 when, the first cross bar, the second cross bar, the 3rd cross bar and
Jointed shaft on 4th cross bar is located 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 Stability Analysis of Structures again,
Avoid go-cart to produce in use to loosen or folding.
First cross bar is arranged on the position near rear foot lever for the 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, just can stablize the foot lever of going forward of both sides with 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, be the hinged position of multiple parts, 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, is the reason so select, although the side frame of three groups of cross bars fixing enough both sides in theory,
It is that side frame is provided with multiple movable parts, the point that each hinged or axle connects is not enough to keep all moving components all in same
Plane, therefore, four groups of cross bars of setting are necessary.And in baby carriage in use, bear strength maximum
Be exactly forward and backward foot lever, as the firm rigidity directly affecting whole handcart of the forward and backward foot lever of weighing component.
The mounting structure of above-mentioned each cross bar may refer to Publication No. CN103507846A and the patent of CN204222933U
Document, the present embodiment illustrates taking the 3rd cross bar as a example, is provided with the cross bar installing arm for installing and fold on rear foot lever,
Cross bar installing arm is divided into the afterbody fixing with rear foot lever and the head away from rear foot lever, the head of cross bar installing arm is installed hinged
Spindle, same is provided with for the cross bar installing arm storage to storage cross bar installing arm during to turnover in side frame on the 3rd cross bar
Groove, is arranged with the cross bar installing hole of coordination hinge axle installation in the upper and lower of cross bar installing arm accommodating groove.Cross bar installing arm
Shape and structure can be avoided according to part when folding and the needs of structural support are designed.
The mounting structure of seat and seat webbing can adopt structure used in Folding trolley of the prior art,
The present invention only provides a kind of preferred embodiment 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 is fixedly connected with seat bar, and the second connector is installed
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 in the form of being covered from cloth.
Above-mentioned upper pushing hands rod lock mechanism can adopt structure used in Folding trolley of the prior art, and
The present invention adopts a kind of preferred embodiment, 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 in the insertion of pushing hands bar, the fixing upper pushing hands lever lock rationed marketing of outer warping end of shell fragment, upper pushing hands lever lock
Rationed marketing is stretched out pushing hands bar and is coordinated with the lock pin holes on middle pushing hands bar, and shell fragment set is set in outside shell fragment and is controlled by slip
The outer warping end of shell fragment is included or is stuck up, and shell fragment set is by steel wire with the upper pushing hands bar telescoping switch being arranged on pushing hands bar on the handle even
Connect.When pressing pushing hands bar telescoping switch, steel wire pulls shell fragment set slip that the outer warping end of shell fragment is included shell fragment set and makes shell fragment
Upper pushing hands lever lock rationed marketing on outer warping end therefrom in the lock pin holes on pushing hands bar abjection unlock state, so go up pushing hands bar
Can move up and down in middle pushing hands bar realize pushing hands bar stretch;Unclamp 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 so that above pushing away on shell fragment outer warping end
Position locking is realized in lock pin holes on pushing hands bar in the insertion of hand lever stop pin.Middle pushing hands bar arranges multiple stop pins
Hole, so can adjust 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 adopt structure used in Folding trolley of the prior art, for example public
The number of opening is the structure disclosed in patent document of CN201257998Y, and the present invention adopts a kind of preferred embodiment, 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, the upper end of back support rod insert in this groove and with the side wall of this groove hinged, rear support of passing through jointed shaft
The upper end of bar is provided with sticking department, and when back support rod rotates with respect 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 the switch that returns the vehicle to the garage and knock off being arranged on middle pushing hands bar is connected with side frame locking piece by steel wire
Connect;When side frame locking piece stretches in groove with the sticking department of back support rod upper end cooperation positioning, back support rod with respect under push away
Hand lever can not rotate thus locking both realizing is affixed, and two quadric chains of such side frame are locked cannot activity;Work as side
Frame locking piece return and with the lock part of back support rod upper end from when, back support rod can rotate with respect 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 switch and the connection row of side frame locking piece
Journey is short, and structure is simple, and locking effect is good, 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 in seat
Back upper place is difficult by child getting in contact, safer.
Wherein, side frame locking piece and sticking department preferably employ clamping, wedge surface or pin joint and realize cooperation positioning, 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 adopt structure used in Folding trolley of the prior art, and
The present invention adopts a kind of preferred embodiment, is described as follows:
Middle pushing hands rod lock mechanism includes STATEMENT OF FEDERALLY SPONSORED and middle pushing hands rod lock part, and STATEMENT OF FEDERALLY SPONSORED is slidably arranged in lower pushing hands bar
Middle part is simultaneously connected with the linkage portion being arranged on back support rod upper end, and middle pushing hands rod lock part is slidably arranged in lower pushing hands bar top simultaneously
Coordinate with the lock hole grafting being arranged on middle pushing hands bar lower end, middle pushing hands rod lock part is connected with STATEMENT OF FEDERALLY SPONSORED by steel wire, in push away
Hand lever locking piece gives the trend of the lock hole on pushing hands bar in insertion by spring;When back support rod turns with respect to lower pushing hands bar
When dynamic, linkage portion drives STATEMENT OF FEDERALLY SPONSORED to move, STATEMENT OF FEDERALLY SPONSORED drive by steel wire in locking on pushing hands rod lock part and middle pushing hands bar
Hole locking latch or separation discharge.So, the locking of middle pushing hands bar folding and release are carried out with the folding of quadric chain
Linkage, it is not necessary to other increasing exposes switch come pushing hands bar folding in controlling, reduces cost, improves security, and lead to
Cross the matching relationship of pushing hands rod lock part, STATEMENT OF FEDERALLY SPONSORED and linkage portion in coordinate design, can be in quadric chain folding to properly
The folding of middle pushing hands bar is restarted in position, using convenient reasonable.
Linkage portion can be various ways with the cooperation of STATEMENT OF FEDERALLY SPONSORED, as long as the rotation of linkage portion can be converted to pulling steel
Line.Preferred in the present invention, linkage portion is passed through hanging groove and is connected with the STATEMENT OF FEDERALLY SPONSORED hook of hook form, and structure is simple, cooperation
Reliable, small volume.In other embodiments, both can also be coordinated by way of elongated groove/opening and pin or
The wire loop of steel wire is directly articulated in linkage portion.
Because the moving direction of middle pushing hands rod lock part is inconsistent with the moving direction of STATEMENT OF FEDERALLY SPONSORED, middle pushing hands rod lock
Part and STATEMENT OF FEDERALLY SPONSORED need to connect by turning member, and this turning member can be the pulley or pillar detouring for steel wire.At this
In bright preferably, in the internal hinged setting in the upper end of lower pushing hands bar one lever piece, one end of lever piece is by elongated groove/opening, pin
It is flexibly connected with middle pushing hands rod lock part, the other end of lever piece is connected with STATEMENT OF FEDERALLY SPONSORED by steel wire, this spline structure is simple, adjust
Convenient.
The grafting fit structure of the lock hole on middle pushing hands rod lock part and middle pushing hands bar may be referred to Publication No.
Lock gear structure in the patent document of CN204415487U.Preferred in the present invention, middle pushing hands rod lock part is a pin,
This pin is not coaxial with the jointed shaft of middle pushing hands bar and lower pushing hands bar, and this spline structure is simple, small volume, 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 hook-shaped root 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 of hook cooperation, one end of lower forward foot in a step rod lock hook is to stick up the release portion going forward outside foot lever, and lower forward foot in a step rod lock hook is even
It is connected to elastic component thus giving the trend near lower forward foot in a step rod lock portion for the hook portion;Instantly the release portion of forward foot in a step rod lock hook 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 are 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 and foot lever locking of going forward are affixed.So, will using locking hook forms
Before lower foot lever be folded with after side frame folding, more meet use habit, and by interoperation so that folding operation
Simpler convenience.
The problem of " after left and right sides support doubling is drawn in, because position of taking is not to easily scattering " in order to solve, the 4th
Side frame doubling locking mechanism is provided with cross bar, including the doubling locking switch being slidably arranged on the 4th cross bar and doubling locking
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 simultaneously
Coordinate thus locking both affixed with the lock hole grafting being arranged in cross bar installing arm, cross bar installing arm is fixed on pushing hands
On bar, the end of cross bar installing arm is provided with two lock holes corresponding to side frame doubled state and side frame deployed condition respectively.This
Sample, can realize locking in side frame doubled state and side frame deployed condition, need to operate doubling locking switch could unlock receipts
Folding.
Ceiling frame be sleeved on the 4th cross bar can before and after overturn, and make it can set level by bit-stopping structure to make for sunshade
With.
The use process of above-mentioned baby carriage is as follows:
Baby carriage launch use state when, 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 when, first by ceiling frame rotate 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 to middle pushing hands bar bottom
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, the first quadric chain folding that side frames are made up of front support rod, back support rod, foot lever of going forward, lower pushing hands bar, make
Pushing hands bar must be descended, and front foot lever moves and draws close upwards, and front support rod is driven by the upper forward foot in a step by the first connecting rod affixed with it simultaneously
Bar, first connecting rod, second connecting rod composition the second quadric chain folding, thus pull after foot lever front foot lever moves and leans on upwards
Hold together;After back support rod turns to certain position, by be linked so that in pushing hands rod lock mechanism release, lower pushing hands bar with
Middle pushing hands bar unlocks, and continues to push against, and makes pushing hands bar in folding while the front foot lever motion upwards of lower pushing hands bar.Pushing hands
Bar, in front and back the first quadric chain of support bar composition and rear foot lever are accommodated in the both sides of foot lever of going forward respectively, and rear foot lever will be 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
Under the hinged cooperation position of foot lever before lower, hook-shaped design makes the dislocation arrangement of front and back wheel more reasonable.Side frame doubling locking is pulled to open
Close, release side frames doubling locking, by side frames along the first cross bar, the both sides of the second cross bar, the 3rd cross bar and the 4th cross bar
Hinge axes turn down, and after side frames doubling puts in place, side frames are locked by side frame doubling locking mechanism, complete whole vehicle frame folding.
Brief description
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 to return the vehicle to the garage and knock off the structural representation of locking mechanism;
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.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary it is intended to be 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 ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " clockwise ", " inverse
The orientation of the instructions such as hour hands " or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Invention and simplification description, rather than indicate or imply that the device of indication or element must have specific orientation, with specifically side
Position construction and operation, are therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating 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, unless otherwise stated, " multiple " are meant that two
Individual or two or more, limits unless otherwise clear and definite.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected;It can be machine
Tool connects or electrically connects;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, above-mentioned term can be understood as the case may be at this
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included not to be directly contact but passes through it is also possible to include the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", that " top " and " above " include 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 fisrt feature immediately below second feature and obliquely downward, or be 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 includes pushing hands bar and handles 611, upper pushing hands bar 61, middle pushing hands bar 62
With lower pushing hands bar 50, upper pushing hands bar 61 is plugged in middle pushing hands bar 62 and by upper pushing hands lever lock in the way of can stretching up and down
Determine mechanism and realize that locking is affixed or release is flexible, the upper end of the lower end of middle pushing hands bar 62 and lower pushing hands bar 50 is hinged and pushes away in passing through
Hand lever locking mechanism is realized locking affixed or release folding.
In the prior art, the two-stage structure that the general employing of pushing hands bar is stretched up and down, and the pushing hands bar of baby carriage
Operating altitude range is usually that clearly the length range thus determining pushing hands bar is fixing, using two-part pushing hands
Bar, after contraction still length longer so that fold after vehicle frame volume still larger.As using three sections of stretching structures, then existed
Locking mechanism is complicated and cannot pass through to be locked adjacent to the single switch handling or discharge in higher position, so not only not square
Just use, and easily form potential safety hazard.And in the present invention, pass through between upper pushing hands bar and middle pushing hands bar to shrink, middle pushing hands
Pass through between bar and lower pushing hands bar to fold, such three stage structure controls stroke short and structure is simple, 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 lower end of back support rod 40 is hinged with the upper end of vertical supporting rod 14, the lower end of vertical supporting rod 14 and rear foot lever 20
Upper end hinged, the middle part of vertical supporting rod 14 is fixedly connected with the upper end of foot lever 11 of going forward or is integrally formed;First connecting rod 31
One end is fixedly connected with the lower end of front support rod 30 or is integrally formed, one end of the other end of first connecting rod 31 and 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, go forward between foot lever 11 and rear foot lever 20
By being sequentially connected 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 of going forward respectively, and about 11 both sides.
The present invention upon deployment, pushing hands bar and front foot lever, rear foot lever arrange all in angle and three between pass through two
Quadric chain is realized linkage and is folded, as long as folding, folding side just can be easily realized in the locking so releasing quadric chain
Just laborsaving, each part long 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 rear foot lever is separately folded draws in the both sides up and down of foot lever of going forward so that the similar length of each rod member and joining each other
Close, foldable structure is more rationally so that the vehicle frame volume after folding is less.
Wherein, between the middle part of the upper end of back support rod 40 and lower pushing hands bar 50, locking is realized by the locking mechanism that returns the vehicle to the garage and knock off solid
Connect or discharge folding.Although the locking mechanism that returns the vehicle to the garage and knock off can also be arranged on the first quadric chain, the second quadric chain other
Articulated position, but it is preferably provided between back support rod 40 and lower pushing hands bar 50, and so tool has the advantage that:1st, seat is general
It is 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, direct locking has more preferable locking
Effect;2nd, the middle part in lower pushing hands bar 50 has enough spaces and can be used for hiding setting and returns the vehicle to the garage and knock off locking mechanism, so not only
Joint can be avoided and locking mechanism exposes, forward easily being played by children causes potential safety hazard, and carry to the locking mechanism that returns the vehicle to the garage and knock off
Supply more design alternatives, the more reliable and more stable locking mechanism that returns the vehicle to the garage and knock off can have been designed;3rd, the locking switch that returns the vehicle to the garage and knock off is generally located on
On pushing hands bar, so design is not only so that locking mechanism structure of returning the vehicle to the garage and knock off is simple, 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, go forward the lower end of foot lever 11 and lower front foot lever 12 upper end be in respectively cooperate down hook-shaped,
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 is realized locking affixed by the forward foot in a step rod lock mechanism being arranged on down hook-shaped root or is released
Put folding.Go forward foot lever and lower front foot lever using under hook-shaped articulated structure, not only have preferable support switching performance, and make
Front and back wheel after must folding has more reasonably dislocation arrangement space.
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
The cross bar installing arm that foot lever 11 top of going forward of side frame extends out is hinged;Or, it is arranged under the back support rod 40 of side frames
Between portion, the two ends of the first cross bar 70 are hinged with the cross bar installing arm that back support rod 40 bottom of side frames extends out respectively;
So may insure vertical supporting rod 14 and back support rod 40 hinged firmly thus ensureing the first quadric chain stabilized structure.This reality
Apply 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
When on hand lever 50, it is arranged on seat webbing in both sides seat bar 41 and the first cross bar 70 respectively to the back support rod 40 of side frames
Upper and lower ends are all connected, and 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
The cross bar installing arm that foot lever 11 bottom of going forward of side frame extends out is hinged;So may insure between the front foot lever 10 of side frames
Stable connection, simultaneously the second cross bar 80 play foot-operated effect.
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 installing arm that foot lever 20 extends out afterwards is hinged;So may insure 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 installing arm that extends out of upper pushing hands bar 61 hinged;Or, the pushing hands bar being arranged on side frames handles between 611, the
It is hinged that the two ends of four cross bars 65 handle the 611 cross bar installing arms extending out respectively with pushing hands bar.So may insure side frames
Pushing hands bar between stable connection.
As shown in figure 1, when side frames are in expansion lock-out state, the first cross bar 70, the second cross bar 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 are in gathering rugosity
During state, the jointed shaft on the first cross bar 70, the second cross bar 80, the 3rd cross bar 25 and the 4th cross bar 65 is located on same axis.This
Sample, side frame draw in fold when, can along same axis side frames are carried out to turnover so that fold after vehicle frame volume more
Little;And when side frame launches locking, may insure Stability Analysis of Structures again, it is to avoid go-cart produces in use and loosens or folding.
First cross bar is arranged on the position near rear foot lever for the 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, just can stablize the foot lever of going forward of both sides with 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, be the hinged position of multiple parts, 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 Publication No. CN103507846A and the patent of CN204222933U
Document, the present embodiment illustrates taking the 3rd cross bar 25 as a example, is provided with the cross bar peace for installing and fold on rear foot lever 20
Dress arm, cross bar installing arm is divided into the afterbody fixing with rear foot lever 20 and the head away from rear foot lever 20, the head of cross bar installing arm
On jointed shaft is installed, same is provided with for the horizontal stroke to storage cross bar installing arm during to turnover in side frame on the 3rd cross bar 25
Bar installing arm accommodating groove, is arranged with the cross bar installing hole of coordination hinge axle installation in the upper and lower of cross bar installing arm accommodating groove.
The shape and structure of cross bar installing arm can be avoided according to part when folding and the needs of structural support are designed.
The mounting structure of seat and seat webbing can adopt structure used in Folding trolley of the prior art,
The present invention only provides a kind of preferred embodiment for explanation:As shown in figure 1, seat bar 41 passes through 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 fixedly 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, the seat bar 41 of side frames is entirely through soft on sheathed pushing hands bar
Material and car body keep being stably connected with.The load-bearing of seat bar 41 is by the first connector 411, the second connector 412 and flexible material
Shared.Wherein flexible material can be in the form of being covered from cloth.
Above-mentioned upper pushing hands rod lock mechanism can adopt structure used in Folding trolley of the prior art, and
The present invention adopts a kind of preferred embodiment, 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 in pushing hands bar 61 insertion, shell fragment
The fixing upper pushing hands lever lock rationed marketing 613 of 614 outer warping end, upper pushing hands lever lock rationed marketing 613 stretch out pushing hands bar 61 and with middle pushing hands bar
Lock pin holes cooperation on 62, shell fragment set 612 is set in outside shell fragment 614 and is included by the outer warping end controlling shell fragment 614 that slides
Or stick up, shell fragment set 612 passes through steel wire and is connected with being arranged on pushing hands bar and handling the upper pushing hands bar telescoping switch 6111 on 611.Press
When going up down pushing hands bar telescoping switch 6111, steel wire pulls shell fragment set 612 to slide and the outer warping end of shell fragment 614 is included shell fragment set 612
Make to deviate to unlock in lock pin holes therefrom on pushing hands bar 62 for the upper pushing hands lever lock rationed marketing 613 on shell fragment 614 outer warping end
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.Multiple lock pin holes are arranged on middle pushing hands bar 62, the height that so can adjust pushing hands bar is with convenient
User uses.
The above-mentioned locking mechanism that returns the vehicle to the garage and knock off can adopt structure used in Folding trolley of the prior art, for example public
The number of opening is the structure disclosed in patent document of CN201257998Y, and the present invention adopts a kind of preferred embodiment, 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, the upper end of back support rod 40 insert in this groove 52 and with this
The side wall of groove pass through jointed shaft hinged, the upper end of back support rod 40 is provided with sticking department 42, when back support rod 40 with respect 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 stretch into recessed
When positioning with sticking department 42 cooperation of back support rod 40 upper end in groove 52, back support rod 40 can not rotate with respect to lower pushing hands bar 50
Thus locking is affixed both realizing, two quadric chains of such side frame are locked cannot activity;When side frame locking piece 51 moves back
When returning and separating with the sticking department 42 of back support rod 40 upper end, back support rod 40 can rotate with respect to lower pushing hands bar 50, so
Two quadric chains of side frame activity can carry out folding.So, not only return the vehicle to the garage and knock off switch and the connection stroke of side frame locking piece
Short, structure is simple, and locking effect is good, 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 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 cooperation positioning, 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 adopt structure used in Folding trolley of the prior art, and
The present invention adopts a kind of preferred embodiment, 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 rod lock part 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 is joined with lock hole 622 grafting being arranged on middle pushing hands bar 62 lower end
Close, middle pushing hands rod lock part 54 is connected with STATEMENT OF FEDERALLY SPONSORED 53 by steel wire, middle pushing hands rod lock part 54 is given in insertion by spring
The trend of the lock hole 622 on pushing hands bar 62;When back support rod 40 rotates with respect to lower pushing hands bar 50, linkage portion 44 drives connection
Moving part 53 is mobile, STATEMENT OF FEDERALLY SPONSORED 53 drive by steel wire in lock hole 622 grafting on pushing hands rod lock part 54 and middle pushing hands bar 62
Locking or separation discharge.So, the locking of middle pushing hands bar 62 folding and release are linked with the folding of quadric chain,
Do not need in addition to increase and expose switch come pushing hands bar folding in controlling, reduce cost, improve security, and by coordinating
The matching relationship of pushing hands rod lock part 54, STATEMENT OF FEDERALLY SPONSORED 53 and linkage portion 44 in design, can be in quadric chain folding to properly
The folding of middle pushing hands bar is restarted in position, using convenient reasonable.
Linkage portion 44 can be various ways with the cooperation of STATEMENT OF FEDERALLY SPONSORED 53, as long as can be converted to the rotation of linkage portion drawing
Dynamic steel wire.Preferred in the present embodiment, as shown in figure 15, linkage portion 44 passes through STATEMENT OF FEDERALLY SPONSORED 53 hook of hanging groove and hook form
Hang and connect, structure is simple, cooperation is reliable, small volume.In other embodiments, both can also be by elongated groove/opening and pin
The mode of post coordinates or the wire loop of steel wire is directly articulated in linkage portion.
Because the moving direction of middle pushing hands rod lock part 54 is inconsistent with the moving direction of STATEMENT OF FEDERALLY SPONSORED 53, middle pushing hands bar
Locking piece 54 and STATEMENT OF FEDERALLY SPONSORED 53 need to connect by turning member, this turning member can be the pulley detouring for steel wire or
Post.Preferred in the present embodiment, as shown in figure 16, in the internal hinged setting in the upper end of lower pushing hands bar 50 one lever piece 55, lever
One end of part 55 is flexibly connected with middle pushing hands rod lock part 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, and this spline structure is simple, easy to adjust.
The grafting fit structure of the lock hole 622 on middle pushing hands rod lock part 54 and middle pushing hands bar 62 may be referred to publication number
For the lock gear structure in the patent document 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, and this spline structure is simple, 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, the middle part of lower forward foot in a step rod lock hook 111 is hinged to be arranged in hook-shaped root under foot lever 11 of going forward, lower forward foot in a step rod lock hook
111 one end is the hook portion 1112 with the cooperation of 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 to stick up
The release portion 1111 going out to go forward outside foot lever 11, lower forward foot in a step rod lock hook 111 is connected with elastic component thus to give hook portion 1112 close
The trend in lower forward foot in a step rod lock portion 121;Instantly the rear foot lever 20 that the release portion 1111 of forward foot in a step rod lock hook 111 is folded pushes back
When, the hook portion 1112 of lower forward foot in a step rod lock hook 111 is separated 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
Determine hook portion 1112 and the cooperation of lower forward foot in a step rod lock portion 121 hook of hook 111, thus lower front foot lever 12 is solid with foot lever 11 locking of going forward
Connect.So, using locking hook forms being folded with lower front foot lever after side frame folding, more meet use habit, and
By interoperation so that the simpler convenience of folding operation.
The problem of " after left and right sides support doubling is drawn in, because position of taking is not to easily scattering " in order to solve, the 4th
Side frame doubling locking mechanism is provided with cross bar, as shown in Fig. 1, Figure 18, including the doubling being slidably arranged on the 4th cross bar 65
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 stretch out the 4th cross bar 65 end and with lock hole 6121 grafting being arranged in cross bar installing arm 612
Thus locking both affixed, cross bar installing arm 611 is fixed on pushing hands bar 61, and the end of cross bar installing arm 611 sets for cooperation
It is equipped with two lock holes 6121 corresponding to side frame doubled state and side frame deployed condition respectively.So, in side frame doubled state and
Side frame deployed condition can be realized locking, and needs to operate doubling locking switch could unlock folding.
As shown in Figure 1, Figure 2, shown in Figure 18, ceiling frame 652 is sleeved on the 4th cross bar 65 and can overturn in front and back, and passes through stop bit
Structure makes it can set level for sunshade use.
The use process of above-mentioned baby carriage is as follows:
As 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 shown in Fig. 2 prepare return the vehicle to the garage and knock off folding when, first by ceiling frame 652 rotate to pushing hands bar parastate;
As shown in figure 3, pressing pushing hands bar handles the upper pushing hands bar telescoping switch 6111 on 611, pushing hands rod lock in release
Mechanism, pushes down on, and upper pushing hands bar 61 is shunk passage to middle pushing hands bar 62 bottom;
As shown in figure 4, then pulling the switch 621 that returns the vehicle to the garage and knock off, discharging the locking mechanism that returns the vehicle to the garage and knock off, making 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
50 composition the first quadric chain foldings so that lower pushing hands bar 50 front foot lever 11 moves and draws close upwards, front support rod simultaneously
30 drive, by the first connecting rod 31 affixed with it, the two or four being made up of foot lever 11 of going forward, first connecting rod 31, second connecting rod 32
Linkage folding, thus pull after foot lever 20 front foot lever 11 moves and draws close upwards;
As shown in figure 5, after back support rod 40 turns to certain position, by be linked so that in pushing hands rod lock machine
Structure discharges, and lower pushing hands bar 50 unlocked with middle pushing hands bar 62, continue to push against, and makes that front foot lever 11 moves upwards in lower pushing hands bar 50
While folding in pushing hands bar 62.
As shown in fig. 6, pushing hands bar, in front and back the first quadric chain of support bar composition and rear foot lever 20 are 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 shown in fig. 7, adjusting front-wheel 13 to forward position, lower front foot lever 12 is folded to below rear foot lever 20, such as
Shown in Fig. 8, hook-shaped design under go forward foot lever and the hinged cooperation position of lower front foot lever makes the dislocation arrangement of front and back wheel more reasonable.
As shown in figure 9, pulling side frame doubling locking switch 651, release side frames doubling locking, side frames are horizontal along first
Bar 70, the hinge axes turnover of the both sides of the second cross bar 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 are locked by side frame doubling locking mechanism, complete 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
Trailing wheel 21 is installed 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 of bar 14 is hinged, and the lower end of vertical supporting rod 14 is hinged with the upper end of rear foot lever 20, the middle part of vertical supporting rod 14 and front foot lever
10 upper end is fixedly connected or is integrally formed;One end of first connecting rod 31 is fixedly connected with the lower end of front support rod 30 or one becomes
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 constitute folding first
Quadric chain, by being sequentially connected 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 respectively, and about 10 both sides;Wherein,
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 the upper end of back support rod 40 and pushing hands bar.
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
40th, front foot lever 10, pushing hands bar composition the first quadric chain folding so that pushing hands bar front foot lever 11 moves and draws close upwards,
Front support rod 30 is driven by front foot lever 10, first connecting rod 31,32 groups of second connecting rod by the first connecting rod 31 affixed with it simultaneously
Become the second quadric chain folding, thus pull after foot lever 20 front foot lever 11 moves and draws close upwards;Continue to push against, pushing hands
Bar, in front and back the first quadric chain of support bar composition and rear foot lever 20 are accommodated in the both sides of front foot lever 10 respectively.
A kind of foot lever 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 is installed below rear foot lever 20, the upper end of rear foot lever 20 is hinged with the upper end of foot lever 11 of going forward, described foot lever of going forward
The upper end of 11 lower end and lower front foot lever 12 is in cooperate down hook-shaped, the lower end of foot lever 11 of going forward and lower front foot lever 12 respectively
The jointed shaft 122 of upper end be arranged on down hook-shaped head, the upper end of the lower end of foot lever 11 of going forward and lower front foot lever 12 is passed through to set
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 be connected to cross bar 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, rear foot lever 20 is accommodated in and goes forward under foot lever 11
Side, forward foot in a step rod lock mechanism is discharged by rear foot lever 20, lower front foot lever 12 is folded to the lower section of rear foot lever 20.
A kind of pushing hands bar of baby carriage, including pushing hands bar handle 611, upper pushing hands bar 61, middle pushing hands bar 62 and under push away
Hand lever 50, upper pushing hands bar 61 is plugged in middle pushing hands bar 62 and by upper pushing hands rod lock mechanism in the way of can stretching up and down
Realize that locking is affixed or release is flexible, the upper end of the lower end of middle pushing hands bar 62 and lower pushing hands bar 50 is hinged and 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 be connected to cross bar between side frames,
Each side frame includes foot lever and pushing hands bar, and described pushing hands bar is pushing hands bar as above.
A kind of pushing hands bar folding method of baby carriage, pressing pushing hands bar handles 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 passage to middle pushing hands bar 62;Then make
Lower pushing hands bar 50 rotates with respect 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
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
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 embodiments of the invention have been shown and described above 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 in the principle without departing from the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.All the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of foot lever of baby carriage is it is characterised in that include front foot lever (10) and rear foot lever (20), described front foot lever
(10) it is divided into foot lever of going forward (11) and lower front foot lever (12), front-wheel (13), lower front foot lever (12) are installed in lower front foot lever (12) lower end
Upper end hinged with the lower end of foot lever of going forward (11), trailing wheel (21), the upper end of rear foot lever (20) are installed below rear foot lever (20)
Hinged with the upper end of foot lever of going forward (11), the lower end of described foot lever of going forward (11) and the upper end of lower front foot lever (12) are in mutually respectively
Hook-shaped under cooperation, the jointed shaft (122) of the upper end of the lower end of foot lever of going forward (11) and lower front foot lever (12) is arranged on down hook-shaped
Head, the upper end of the lower end of foot lever of going forward (11) and lower front foot lever (12) is by being arranged on down the forward foot in a step lever lock of hook-shaped root
Determine mechanism to realize locking affixed or release folding.
2. a kind of baby carriage according to claim 1 foot lever it is characterised in that described foot lever of going forward (11) with after
The second quadric chain is constituted by being sequentially connected first connecting rod (31) and second connecting rod (32) between foot lever (20).
3. a kind of foot lever of baby carriage according to claim 1 is it is characterised in that 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 set
Put in hook-shaped root under foot lever of going forward (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 portion (1112) of hook cooperation, one end of lower forward foot in a step rod lock hook (111) is to stick up the release foot lever of going forward (11) outward
Portion (1111), lower forward foot in a step rod lock hook (111) is connected with elastic component thus giving hook portion (1112) near lower forward foot in a step rod lock portion
(121) trend;Instantly when the rear foot lever (20) that the release portion (1111) of forward foot in a step rod lock hook (111) is folded pushes back, lower before
The hook portion (1112) of foot lever lock hook (111) is separated with lower forward foot in a step rod lock portion (121), thus lower front foot lever (12) can be received
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
Go out, the hook portion (1112) of lower forward foot in a step rod lock hook (111) is coordinated with lower forward foot in a step rod lock portion (121) hook, thus lower front foot lever
(12) affixed with foot lever of going forward (11) locking.
4. a kind of baby carriage, including two side frames being symmetrically arranged and be connected to cross bar between side frames, often
Individual side frame includes foot lever and pushing hands bar it is characterised in that described foot lever is the foot lever as described in claim 1 or 2 or 3.
5. a kind of foot lever method for folding of baby carriage according to claim 4 is it is characterised in that by rear foot lever (20)
It is accommodated in the downside of foot lever of going forward (11), forward foot in a step rod lock mechanism is discharged by rear foot lever (20), and lower front foot lever (12) is folded to
The lower section of foot lever (20) afterwards.
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CN201610383912.0A CN106428180B (en) | 2016-06-01 | 2016-06-01 | Baby carriage and its foot lever, foot lever method for folding |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2389811Y (en) * | 1999-10-06 | 2000-08-02 | 中山市隆成日用制品有限公司 | Collapsible perambulator |
US20050046152A1 (en) * | 2003-08-26 | 2005-03-03 | Hutchinson James M. F. | Reduced size folding stroller |
CN204915783U (en) * | 2015-08-27 | 2015-12-30 | 东莞市摩登儿童用品有限公司 | Bassinet is folded to cubic |
CN205022652U (en) * | 2015-09-10 | 2016-02-10 | 好孩子儿童用品有限公司 | Child stroller |
CN205706815U (en) * | 2016-06-01 | 2016-11-23 | 浙江晨辉婴宝儿童用品有限公司 | Baby carriage and foot lever thereof |
-
2016
- 2016-06-01 CN CN201610383912.0A patent/CN106428180B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2389811Y (en) * | 1999-10-06 | 2000-08-02 | 中山市隆成日用制品有限公司 | Collapsible perambulator |
US20050046152A1 (en) * | 2003-08-26 | 2005-03-03 | Hutchinson James M. F. | Reduced size folding stroller |
CN204915783U (en) * | 2015-08-27 | 2015-12-30 | 东莞市摩登儿童用品有限公司 | Bassinet is folded to cubic |
CN205022652U (en) * | 2015-09-10 | 2016-02-10 | 好孩子儿童用品有限公司 | Child stroller |
CN205706815U (en) * | 2016-06-01 | 2016-11-23 | 浙江晨辉婴宝儿童用品有限公司 | Baby carriage and foot lever thereof |
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CN106428180B (en) | 2018-11-13 |
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Effective date of registration: 20220916 Address after: 312369 Xietang Chenhui Industrial Park, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: SHAOXING SHANGYU RIXING HARDWARE PRODUCTS Co.,Ltd. Address before: 312369 Chen Hui Industrial Park, Xie Tang Town, Shangyu District, Shaoxing, Zhejiang Patentee before: ZHEJIANG CH BABY Co.,Ltd. |