CN106476874A - A kind of double leval jib retaining mechanism and its folding pushchair applying this mechanism - Google Patents
A kind of double leval jib retaining mechanism and its folding pushchair applying this mechanism Download PDFInfo
- Publication number
- CN106476874A CN106476874A CN201511001130.8A CN201511001130A CN106476874A CN 106476874 A CN106476874 A CN 106476874A CN 201511001130 A CN201511001130 A CN 201511001130A CN 106476874 A CN106476874 A CN 106476874A
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- CN
- China
- Prior art keywords
- double leval
- leval jib
- connecting rod
- folding
- vertical shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/06—Foldable with a scissor-like mechanism
Abstract
The invention provides a kind of double leval jib retaining mechanism and its folding pushchair applying this mechanism, this retaining mechanism includes two link assemblies and middle part double leval jib assembly；This handbarrow includes car body, and described car body includes folding stand and wheel, and described folding stand is connected by pole by two symmetrically arranged double leval jib retaining mechanisms and forms；The described folding stand of deployed condition forms the car storehouse that can load article, and the top in described car storehouse is provided for protecting the covering for roofs of article in described car storehouse.The retaining mechanism that the present invention provides passes through one group of two link assembly and locks three groups of double leval jib assemblies, forms stable truss structure, and this mechanism is capable of the full linkage between rod member, effectively realizes retaining mechanism fast folding and expansion；Additionally, the handbarrow that the present invention provides can not only realize the function of hand push, and after folding, floor space is little, and whole car body can reach easy to use, linkage, light and handy, stable effect, practical.
Description
Technical field
The present invention relates to mechanical interlock mechanism technical field, lock machine particularly to a kind of double leval jib
Structure and its folding pushchair applying this mechanism.
Background technology
It is known that linkage is widely used in various plant equipment, such as apparatus, use
Product etc., reach predetermined action and purpose by this linkage, are specifically for use in folding seat
In tool, bedding and outdoor furniture.
At present, linkage has been applied in various handbarrows although existing hand push
Car is all made up of wheel, chassis, fixed fence and pushing hands, but its structure connects difference,
The effect that then it is realized and the place of application are also different.Existing handbarrow is roughly divided into two classes,
One class is not Collapsible cart, and this kind of handbarrow is mostly used for transporting debris or shopping etc. and uses；
Another kind of for folding handbarrow, great majority are to supply children's ride-on as stroller, this handss
Although go-cart can fold, great majority are building block system or half modular construction, not only structure
Complexity, and purposes is more single, additionally, after this folding handbarrow folds, not only
Volume is bigger than normal, carries inconvenience, and it is bigger than normal to conduct oneself with dignity, and center of gravity is higher, poor safety performance, with
When, this handbarrow folding process does not enable entirely to link, and opens and fold all very inconvenient,
Poor practicability.
Content of the invention
Do not enable to fold to solve handbarrow of the prior art, even and if can fold
There is also complex structure, purposes is single, additionally, after existing handbarrow folds, not only volume
Bigger than normal, carry inconvenience, meanwhile, handbarrow does not enable entirely to link in folding process, opens
With fold all very inconvenient, poor practicability, the low problem of safety, the invention provides a kind of
Double leval jib retaining mechanism and its folding pushchair applying this mechanism.
Concrete technical scheme of the present invention is as follows：
The invention provides a kind of double leval jib retaining mechanism, connect including two link assemblies and middle part four
Bar assembly；
Described middle part double leval jib assembly is by two first connecting rods being symmetrical set and two left sides
The diamond structure of the hinged composition of the symmetrically arranged second connecting rod in the right side, the top of two described first connecting rods
The bottom of end and two described second connecting rods is all by hinge；Described two link assemblies are by two
The hinged composition of the isometric third connecting rod of root；
All by the hinged fourth link of hinge, the described 4th even on the top of two described second connecting rods
Bar passes through the first cross bar and passes through described hinge with the top of described first connecting rod；Described first
Connecting rod, described second connecting rod, described first cross bar and the hinged composition of described fourth link symmetrically set
Put the end double leval jib assembly in described middle part double leval jib assembly both sides；On described two link assemblies
Pin joint be located at described middle part double leval jib assembly centrage on, the two of described two link assemblies
End is hinged with the bottom of two described first connecting rods respectively.
Further, the pin joint position in the middle part of described two link assemblies is less than itself and described first
The pin joint position of connecting rod.
Further, wherein one described second connecting rod bottom is connected with gag lever post, and described two even
Pin joint in the middle part of bar assembly is connected on described gag lever post.
Preferably, all there is support bar on two described first connecting rod tops by described hinge.
Present invention also offers a kind of folding pushchair applying described double leval jib retaining mechanism, bag
Include car body, described car body includes the folding stand that can launch or fold and is arranged on described folding
The wheel of bottom of frame, described wheel includes front vehicle wheel and rear wheel, and described folding stand is by two
Individual symmetrically arranged double leval jib retaining mechanism connects composition, two described double leval jib locks by pole
Described two link assemblies in tight mechanism pass through pole and connect formation doubling underframe, two described four
Described first crossbar end in connecting bar locking mechanism connects formation cross tube group by described pole
Part；
The described folding stand of deployed condition forms the car storehouse that can load article, in described car storehouse
It is placed with the rumble seat using cooperatively with described car body, the top in described car storehouse is provided for protecting
Protect the covering for roofs of article in described car storehouse.
Further, in the described double leval jib retaining mechanism being arranged symmetrically, after described car body
The described fourth link top at end extends, and the extension end of described fourth link is connected to push away
Move the push rod of described car body；When described car body is in folded state, described push rod bottom is supported on
On horizontal plane.
Further, in the described double leval jib retaining mechanism being arranged symmetrically, described first connecting rod
Bottom all extends, and the extension end of described first connecting rod is all connected by connecting rod, positioned at institute
The two ends stating the described connecting rod of body rear end connect described rear wheel respectively；Positioned at described car body
The two ends of the described connecting rod of front end are connected to connect the vertical of front vehicle wheel by vertical shaft overcoat respectively
Shaft assembly；
Described vertical shaft assembly includes vertical shaft, wheel fork and vertical shaft lock, and described vertical shaft top is plugged to institute
State in vertical shaft overcoat, described vertical shaft bottom is connected with described wheel fork, described wheel fork is used for installing institute
State front vehicle wheel, described vertical shaft lock is arranged on described vertical shaft jacket bottom and is connected with described vertical shaft.
Further, described cross tube assembly is the rectangle frame being made up of two U-shaped sub- frames
Frame, on described sub- frame, the one end near opening is connected with the hinged place of two described first connecting rods,
On described sub- frame, the one end away from opening is rotated with described fourth link and is connected；Described rectangular frame
On be lifted with pocket, described pocket bottom is placed on described doubling underframe.
Further, described covering for roofs is the desktop being made up of two pieces of jigsaw, on described jigsaw
One end of close described first connecting rod and the described hinge on described first connecting rod top, two pieces
Be symmetrically arranged with two fix bars between described jigsaw, the two ends of two described fix bars respectively with
The described hinge on two described first connecting rod tops is fixedly connected, right in the middle part of two described fix bars
Claim to have semicircle orifice, two described semicircle orifice splicing compositions are used for the through hole of grafting umbrella.
Further, the umbrella stem bottom of described umbrella passes through the described through hole of described covering for roofs, and institute
State the support member that umbrella stem bottom is connected to be stably fixed on ground, described umbrella stem top is provided with screening
Sun cover, described sky shade bottom margin side is provided with the puggaree blocking sunlight, described screening
Positive cover bottom margin opposite side is provided with provides the extra umbrella lobe fringing covering.
Beneficial effects of the present invention are as follows：The double leval jib retaining mechanism that the present invention provides passes through one group
Two link assemblies lock three groups of double leval jib assemblies, thus formed one group stable and can as
The truss structure of support frame frame, this mechanism can not only realize the full linkage between rod member, effectively in fact
Existing retaining mechanism fast folding and expansion, and this structural support intensity is big, safe；This
Outward, retaining mechanism is applied in handbarrow as folding stand by the present invention, and this handbarrow is not only
It is capable of the function of hand push, and after car body folds, floor space is little, and whole car body can
Reach easy to use, linkage, light and handy, stable using effect, after expansion folding stand peace
Full property is higher, can be widely applied to camp, garden, seabeach, the outdoor location such as square.
Brief description
Fig. 1 is a kind of unfolding state figure of the double leval jib retaining mechanism described in embodiment 1；
Fig. 2 is a kind of folded state diagram of the double leval jib retaining mechanism described in embodiment 1；
Fig. 3 is a kind of frame construction drawing of the double leval jib retaining mechanism described in embodiment 2；
Fig. 4 is the enlarged drawing of A in Fig. 3；
Fig. 5 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 3
The structural representation of car；
Fig. 6 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 4
The structural representation that in car, covering for roofs starts；
Fig. 7 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 4
Structural representation after covering for roofs spreads out in car；
Fig. 8 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 4
The structural representation of umbrella is installed in car；
Fig. 9 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 4
The folded state schematic diagram of car；
Figure 10 is the enlarged drawing of B in Fig. 9；
Figure 11 is a kind of folding hand push of application described double leval jib retaining mechanism described in embodiment 4
Schematic diagram after the folding of car.
Wherein：1st, first connecting rod；2nd, second connecting rod；3rd, third connecting rod；4th, fourth link；
5th, the first cross bar；6th, gag lever post；7th, support bar；8th, car body；9th, folding stand；10、
Wheel；11st, pole；12nd, doubling underframe；13rd, cross tube assembly；14th, covering for roofs；15、
Push rod；16th, connecting rod；17th, vertical shaft overcoat；18th, vertical shaft；19th, wheel fork；20th, vertical shaft
Lock；21st, pocket；22nd, through hole；23rd, umbrella；24th, umbrella stem；25th, support member；26th, hide
Sun cover；27th, puggaree；28th, umbrella lobe fringing；29th, fix bar.
Specific embodiment
With following examples, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, the embodiment of the present invention 1 provides a kind of double leval jib retaining mechanism, this four
Connecting bar locking mechanism is mainly used in describing in the technical program is locked using one group of two link assembly mechanism
Live three groups of double leval jib components mechanisms, thus forming the component truss that linkage folds and opens.
This double leval jib retaining mechanism includes two link assemblies and middle part double leval jib assembly；
Described middle part double leval jib assembly is by two first connecting rods being symmetrical set 1 and two
The diamond structure of the hinged composition of second connecting rod 2 being symmetrical set, two described first connecting rods 1
Top and two described second connecting rods 2 bottom all by hinge；Described two connection rod set
Part is formed by two isometric third connecting rods 3 are hinged；Described two link assemblies are isometric by two
Third connecting rod 3 form, when two link assemblies lock 3 groups of double leval jib assemblies when, now, two
Link assembly is horizontal, and its connecting rod total length is the longest.
The top of two described second connecting rods 2 all by the hinged fourth link of hinge 4, the described 4th
Connecting rod 4 passes through the first cross bar 5 and passes through described hinge with the top of described first connecting rod 1；
Described first connecting rod 1, described second connecting rod 2, described first cross bar 5 and described fourth link 4
Hinged composition is symmetricly set on the end double leval jib assembly of described middle part double leval jib assembly both sides；Institute
State the pin joint on two link assemblies to be located on the centrage of described middle part double leval jib assembly, described
The two ends of two link assemblies are hinged with the bottom of two described first connecting rods 1 respectively.
Because the retaining mechanism of offer in the present invention has, foldable, stability is high, safe
Etc. architectural characteristic, thus the retaining mechanism that provides of the present invention can as truss structure application each
Other mechanisms that need to fold of field, such as object support base, support frame, vehicle body frame etc..
Three groups of double leval jib assemblies of present invention design pass through one group of two link assembly locking, form one
Plant stable truss structure, when folding, achievable fast folding, after folding for the present invention simultaneously
Truss structure not only take up room less, and be readily transported, practical.
As shown in Fig. 2 briefly, if we set in the present invention, two described first even
The pin joint of bar 1 is A, and the pin joint of two described second connecting rods 2 is B, symmetrically arranged
Pin joint between first connecting rod 1 and symmetrically arranged second connecting rod 2 respectively C and D, two
Link assembly and pin joint position E and F of symmetrically arranged two described first connecting rods 1, two even
In bar assembly the pin joint of two third connecting rods 3 be G, the fourth link 4 of both sides with symmetrically set
The pin joint of the described second connecting rod 2 put be respectively H and I, one end of described first cross bar 5 with
The other end of described fourth link 4 is hinged, and pin joint is J and K, described first cross bar 5
The other end is hinged with the pin joint A of two described first connecting rods 1, and now, pin joint A is logical
Cross the pin joint of hinge formation, then when the middle pin joint G of described two link assemblies is connected to institute
In the middle part of stating during the pin joint B of double leval jib component bottom, form a stable locking mechanism.
During folding, when the pin joint G in the middle part of external force forces two link assemblies moves upwards, must
So make pin joint E and F adjacent to each other, so that two first connecting rods 1 become retaining mechanism
Driving lever, driving lever is close will to force three groups of double leval jib assemblies entirely close to centrage in linkage,
Until all rod members all fold.
During expansion, when external force forces two first cross bars 5 outwards to separate, necessarily become
Driving lever, so force all rod members in three groups of quadric chains entirely outwards to launch in linkage, directly
All it is expanded to horizontal level to two link assemblies, so that two link assemblies lock three group four even
Bar assembly.
Embodiment 2
As shown in figure 3 or 4, embodiments provide a kind of double leval jib retaining mechanism, should
Embodiment 2 further defines the knot of described double leval jib retaining mechanism on the basis of embodiment 1
Structure, improves stability and the safety of the connection of double leval jib retaining mechanism.
As shown in figure 4, pin joint position in the middle part of described two link assemblies is less than it with described the
The pin joint position of one connecting rod 1, wherein one described second connecting rod 2 bottom is connected with gag lever post 6,
Pin joint in the middle part of described two link assemblies is connected on described gag lever post 6.
Two link assemblies have three centers of rotation, and the center of rotation in the middle part of it is less than both sides
Center of rotation, so when folding double leval jib retaining mechanism, be subject on two link assemblies divides
Power must be level, so necessarily making two link assemblies form two moments of torsion, left side the 3rd is even
Bar 3 is clockwise, and right side third connecting rod 3 is counterclockwise, and it has more stable effect,
Can be with locked three double leval jib assemblies, of course for ensureing the steady of two link assemblies by this structure
Qualitative and fastness, defines in the technical program wherein one on the double leval jib assembly of described middle part
Described second connecting rod 2 bottom is provided with gag lever post 6, and this gag lever post 6 can be fixed on two described
It is also possible to be fixed therein on a second connecting rod 2, two on the pin joint of two connecting rod 2 bottom
Pin joint in the middle part of link assembly is connected on this gag lever post 6, so the design of gag lever post 6 is used
In positioning two link assemblies, two link assemblies are automatically locked, prevent it from automatically shrinking it is ensured that
The safety of double leval jib retaining mechanism.
As shown in Figure 3 it is preferred that two described first connecting rod 1 tops are all by described hinge
It is hinged with support bar 7.Two support bars 7 are hinged point articulated with two first connecting rods 1 respectively,
Support bar 7 is used for supporting suspension member to use.
Embodiment 3
As shown in figure 5, for the defect overcoming handbarrow or hand buggy presence in prior art,
The invention provides a kind of folding pushchair applying described double leval jib retaining mechanism, this handbarrow
Structure is simple, folds and launches all more convenient quick, be capable of entirely linking between rod member,
This handbarrow purposes is wide, and safety is higher.
This handbarrow includes car body 8, and described car body 8 includes the folding stand that can launch or fold
9 and be arranged on the wheel 10 of described folding stand 9 bottom, described wheel 10 include front vehicle wheel and
Rear wheel, described folding stand 9 passes through pole by two symmetrically arranged double leval jib retaining mechanisms
11 connect composition, and described two link assemblies in two described double leval jib retaining mechanisms pass through pole
11 connect formation doubling underframe 12, described first cross bar in two described double leval jib retaining mechanisms
5 ends are passed through described pole 11 and are connected formation cross tube assembly 13；Folding stand 9 is due to using
Two double leval jib retaining mechanisms, so folding stand 9 has folding and launches two states.
The design of cross tube assembly 13 can be used to place pocket 21, and pocket 21 fixation is more firm
Gu, the supporting construction of rod member, safety is higher, is not in potential safety hazard, additionally, upper horizontal stroke
The presence of bar assembly 13 makes hand push Vehicle Processing more cheap, saves Financial cost, improves little
The multifunctionality of car.
The described folding stand 9 of deployed condition forms the car storehouse that can load article, described car storehouse
Inside it is placed with the rumble seat using cooperatively with described car body 8, the top setting in described car storehouse is used
In the covering for roofs 14 protecting article in described car storehouse, covering for roofs 14 is installed and not only can be used for protecting
Article in car storehouse, and can serve as desktop and use, this hand push installing covering for roofs 14
Car can serve as camper and uses, certainly this handbarrow can also uneasy entrucking top cover 14, from
And make this handbarrow become uncovered handbarrow, use during convenient shopping.
When installing umbrella 23 on handbarrow, described covering for roofs 14 can be used to fixing umbrella 23, carries umbrella
23 handbarrow may apply to open air, for example, camp, sandy beach etc., and user can be by roof
Lid 14 uses as desktop, can camp and have dinner or play chess on covering for roofs 14, umbrella
23 are used for sunshade or keep off the rain.
As shown in Figure 10, wheel 10 includes two front vehicle wheels and two rear wheels, wheel 10
Width designs according to demand, goes for sand ground walking it is also possible to design is applied to common road
Driving a vehicle in face, folds for convenience, the length of design doubling underframe 12 upper rack posts 11, makes two
Spacing between front vehicle wheel is more than the spacing between described two rear wheels, so that two after folding
Individual rear wheel can accommodate and two front-wheels between, thus reducing the volume after handbarrow folds,
Save the floor space of handbarrow, vice versa, if be designed as two front vehicle wheels can be contained in
Between two rear wheels can also, as long as can by fold after wheel 10 can be combined i.e.
Can.
Embodiment 4
As illustrated in figs. 6-11, the embodiment of the present invention 4 provides a kind of folding pushchair, this enforcement
Example 4, on the basis of embodiment 3, further defines the structure of described folding pushchair, carries
The high multifunctionality of folding pushchair.
As shown in Figures 6 and 7, it should be noted that for convenience this handbarrow can push away manually
Motor vehicles bodies 8, define in the described double leval jib retaining mechanism being arranged symmetrically, position in the technical program
Extend in described fourth link 4 top of described car body 8 rear end, and described fourth link 4
Extension end is connected to promote the push rod 15 of described car body 8；Described car body 8 is in rugosity
During state, described push rod 15 bottom supports in the horizontal plane.Push rod 15 is used for using as pushing hands,
After handbarrow folds, after push rod 15 is folded down, push rod 15 bottom is supported on level ground
On, now push rod 15 becomes the support feet of car body 8, plays a supporting role, and makes the car after folding
Body 8 has more preferable stability, so that the car body 8 after folding is convenient for carrying and deposits.
It is used as pushing hands by push rod 15 to use, handbarrow can be made in the presence of user thrust
Move forward, compared with existing hand buggy, a lot of people are more accustomed to using handbarrow.
As shown in fig. 6, needing further instruction, the described double leval jib being arranged symmetrically is locked
In tight mechanism, the bottom of described first connecting rod 1 all extends, and the prolongation of described first connecting rod 1
End is all connected by connecting rod 16, the described connecting rod 16 positioned at described car body 8 rear end
Two ends connect described rear wheel respectively；Positioned at the described connecting rod 16 of described car body 8 front end two
End is connected to connect the vertical shaft assembly of front vehicle wheel by vertical shaft overcoat 17 respectively；Described vertical shaft group
Part includes vertical shaft 18, wheel fork 19 and vertical shaft lock 20, and described vertical shaft 18 top is plugged to described vertical
In outer shaft sleeve 17, described vertical shaft 18 bottom is connected with described wheel fork 19, and described wheel fork 19 is used
In installing described front vehicle wheel, described vertical shaft lock 20 be arranged on described vertical shaft overcoat 17 bottom and with
Described vertical shaft 18 connects.
Effect by vertical shaft lock 20 is to pin vertical shaft 18, vertical shaft 18 is positioned, allows vertical shaft
18 can not arbitrarily rotate, so that when folding, front-wheel can nonvoluntary swing, and so that folding is become more
Plus it is smooth, using convenient.Additionally, in actual production, can select at rear wheel
Brake lock is installed, car body 8 can be in the lock state or released state by described brake lock, protects
Demonstrate,prove stability when using under car body 8 deployed condition and safety, wheel 10 can have been carried out
Locking, in case car body 8 on slope or rests in generation car body 8 movement on irregular ground,
Improve safety.
The width of wheel 10 and highly being designed as needed, the hand push that the present invention provides
Car can be changed different wheels 10 and be suitable for the places such as different open airs or interior, improve hand push
The multipurpose of car and multifunctionality.
It is emphasized that the multifunctionality of the handbarrow in order to improve present invention offer, this
Bright define that described cross tube assembly 13 is the rectangular frame being made up of two U-shaped sub- frames,
On described sub- frame, the one end near opening is connected with the hinged place of two described first connecting rods 1,
On described sub- frame, the one end away from opening is rotated with described fourth link 4 and is connected；Described rectangle frame
Pocket 21 is lifted with frame, described pocket 21 bottom is placed on described doubling underframe 12.
Sub- frame upper shed side is hinged with the pin joint A of two described first connecting rods 1, then permissible
Rotate with respect to this pin joint A and connect, on sub- frame, the side away from opening is cut with scissors with fourth link 4
Connect, pin joint is J, then can rotate with respect to this pin joint J and connect, therefore, sub- frame is in car
Body 8 can also be folded down when folding.
Cross tube assembly 13 forms a rectangular frame, can fall and fill one on this rectangular frame
The pocket 21 made with flexible material, the bottom of pocket 21 is placed on described doubling underframe 12,
Attempted according to test of many times, the described multiduty Collapsible cart that the present invention provides can hold
About 150 pounds of loads.
Additionally, the multi-purpose folding handbarrow that the present invention provides also includes pinning the half of folding position
Automatically lock, lock body is made of plastic, by the deformation of plastic part, during folding bicycle 8,
Pin described folding stand 9, be allowed to be formed an entirety, the handbarrow after convenient folding can be stood
Vertical profit, when car body 8 launches, opens described Semi-automatic lock, described first connecting rod 1 of dividing right and left
With second connecting rod 2, now, the rod member in car body 8 is just opened entirely in linkage, is allowed to be in work
Expanded position, that is, use state；During folding, lift described doubling underframe 12, institute upwards
That states that the in-car rod member of multi-purpose folding hand push just links entirely folds up, and automatic locking vehicle frame,
Easy to use, it is easy to deposit and transport.
As shown in figs. 9-11, need it is further noted that described covering for roofs 14 is to be spelled by two pieces
The desktop of plate composition, near one end and described first of described first connecting rod 1 on described jigsaw
The described hinge on connecting rod 1 top, is symmetrically arranged with two fixations between two pieces of described jigsaw
Bar 29, the two ends institute with two described first connecting rod 1 tops respectively of two described fix bars 29
State hinge to be fixedly connected, in the middle part of two described fix bars 29, symmetrically have semicircle orifice, described in two
Semicircle orifice splicing composition is for the through hole 22 of grafting umbrella 23.Described covering for roofs 14 is as desktop
Can use for 2 people or 3 people, because two pieces of jigsaw are separate, and two pieces of described jigsaw with
The hinge on first connecting rod 1 top, so, when car body 8 folds, covering for roofs 14 also with
Car body together to fold, when certain car body 8 launches, covering for roofs 14 is opened up together also with car body 8
Open, smart structural design, using convenient.
As shown in figure 8, it should be noted that the present invention, on the basis of embodiment 3, enters one
Step defines the structure also on this handbarrow with umbrella 23, also defines the concrete knot of umbrella 23
Structure, so that handbarrow is more applicable for camping.Umbrella stem 24 bottom of described umbrella 23 passes through institute
State the described through hole 22 of covering for roofs 14, and described umbrella stem 24 bottom is connected to be stably fixed on
The support member 25 on ground, described umbrella stem 24 top is provided with sky shade 26, permissible on sky shade 26
Setting vent, be easy to divulge information, according to use demand can by sky shade 26 be designed to circle or
Side；Described sky shade 26 bottom margin side is provided with the puggaree 27 blocking sunlight, institute
State sky shade 26 bottom margin opposite side and be provided with the umbrella lobe fringing 28 that extra concealment is provided, puggaree
27 length is more than described umbrella lobe fringing 28.
Umbrella stem 24 can be two body structures, and umbrella stem 24 top can be by clamper by its two body
Structure connects, and the support member 25 of umbrella stem 24 bottom can be made into the spike inserting in soil, insertion snow
In scoop or rotate screw in sand, thus umbrella 23 is fixed on ground, umbrella stem 24
Bottom is preferably and is held in jack using resilient bushing or packing ring, and umbrella stem 24 can be logical simultaneously
Rotate in hole 22, so that puggaree 27 adapts to different directions, thus preferably keeping the sun off.
Covering for roofs 14 in the present invention can be used for desktop and uses, and facilitates family and friends in desktop
Divert oneself the time on plate, user can have dinner on desktop, play chess/card game etc., work as sunlight
When strong or rainy, user can prop up umbrella 23, and food, articles for use etc. all can be stored in handss
In the pocket 21 of go-cart, certainly when not in use, folded bicycle can be packed up.
Particular design, silk screen printing or decoration chess chess can be passed through on covering for roofs 14
Disk, mahjong table, backgammon board or other board games, additionally, umbrella 23 and folding stand
9 can have the non-functional ornamental design mated with Trivial Pursuit Unhinged.
Handbarrow is disclosed, handbarrow is provided with covering for roofs 14 and umbrella 23, during use in the present invention
Cooperation folding seat, simultaneously can also in the pocket 21 of handbarrow contain things, this several structure
Combine, this folded bicycle can as a kind of camp, garden, seabeach, square etc. are outdoor one
The instrument of kind.
The handbarrow of present invention exploitation not only overcomes existing handbarrow single function, is inconvenient to roll over
Folded defect, and this handbarrow is applied to while city and applies also for camping, folding convenient,
Be readily transported, low production cost, multiple functional it is adaptable to multiple crowd such as women, old man makes
With go-cart is laborsaving, practical.
The present invention is not limited to above-mentioned preferred forms, anyone under the enlightenment of the present invention all
Other various forms of products can be drawn, however, making any change in its shape or structure,
Every have technical scheme identical or similar to the present application, all falls within the protection model of the present invention
Within enclosing.
Claims (10)
1. a kind of double leval jib retaining mechanism is it is characterised in that include two link assemblies and middle part double leval jib
Assembly；
Described middle part double leval jib assembly is by two first connecting rods being symmetrical set (1) and two left sides
The diamond structure of the hinged composition of the symmetrically arranged second connecting rod (2) in the right side, two described first connecting rods
(1) top and the bottom of second connecting rod (2) described in two roots are all by hinge；Institute
State two link assemblies to be formed by two isometric third connecting rods (3) are hinged；
The top of two described second connecting rods (2) all by the hinged fourth link of hinge (4), described
Double leval jib (4) passes through the first cross bar (5) with the top of described first connecting rod (1) by described
Hinge；Described first connecting rod (1), described second connecting rod (2), described first cross bar (5)
Hinged composition is symmetricly set on described middle part double leval jib assembly both sides with described fourth link (4)
End double leval jib assembly；Pin joint on described two link assemblies is located at described middle part double leval jib group
On the centrage of part, the two ends of described two link assemblies respectively with two described first connecting rods (1)
Bottom hinged.
2. double leval jib retaining mechanism as claimed in claim 1 is it is characterised in that described two connection rod set
Pin joint position in the middle part of part is less than its pin joint position with described first connecting rod (1).
3. double leval jib retaining mechanism as claimed in claim 1 is it is characterised in that wherein described in one
Second connecting rod (2) bottom is connected with gag lever post (6), the pin joint in the middle part of described two link assemblies
It is connected on described gag lever post (6).
4. double leval jib retaining mechanism as claimed in claim 1 is it is characterised in that two described first
All there is support bar (7) on connecting rod (1) top by described hinge.
5. the folding pushchair of double leval jib retaining mechanism described in a kind of application any one of claim 1-4,
Including car body (8) it is characterised in that described car body (8) includes the folding that can launch or fold
Folded vehicle frame (9) and the wheel (10) being arranged on described folding stand (9) bottom, described wheel
(10) front vehicle wheel and rear wheel are included, described folding stand (9) is by two symmetrically arranged four
Connecting bar locking mechanism passes through pole (11) and connects composition, in two described double leval jib retaining mechanisms
Described two link assemblies pass through pole (11) connect formed doubling underframe (12), described in two
Described first cross bar (5) end in double leval jib retaining mechanism is passed through described pole (11) and is connected
Form cross tube assembly (13)；
The described folding stand (9) of deployed condition forms the car storehouse that can load article, in described car storehouse
It is placed with the rumble seat using cooperatively with described car body (8), the top setting in described car storehouse is used
In the covering for roofs (14) protecting article in described car storehouse.
6. folding pushchair as claimed in claim 5 it is characterised in that be arranged symmetrically described four
In connecting bar locking mechanism, positioned at described fourth link (4) top of described car body (8) rear end
Extend, and the extension end of described fourth link (4) is connected to promote described car body (8)
Push rod (15)；When described car body (8) is in folded state, described push rod (15) bottom
Support in the horizontal plane.
7. folding pushchair as claimed in claim 5 it is characterised in that be arranged symmetrically described four
In connecting bar locking mechanism, the bottom of described first connecting rod (1) all extends, and described first connecting rod
(1) extension end is all connected by connecting rod (16), positioned at described car body (8) rear end
The two ends of described connecting rod (16) connect described rear wheel respectively；Positioned at described car body (8)
The two ends of the described connecting rod (16) of front end are connected to by vertical shaft overcoat (17) respectively
Connect the vertical shaft assembly of front vehicle wheel；
Described vertical shaft assembly includes vertical shaft (18), wheel fork (19) and vertical shaft lock (20), described vertical shaft
(18) top is plugged in described vertical shaft overcoat (17), described vertical shaft (18) bottom and institute
State wheel fork (19) to connect, described wheel fork (19) is used for installing described front vehicle wheel, described vertical shaft
Lock (20) is arranged on described vertical shaft overcoat (17) bottom and is connected with described vertical shaft (18).
8. folding pushchair as claimed in claim 5 is it is characterised in that described cross tube assembly (13)
It is the rectangular frame being made up of two U-shaped sub- frames, near one end of opening on described sub- frame
It is connected with the hinged place of two described first connecting rods (1), away from the one of opening on described sub- frame
End is rotated with described fourth link (4) and is connected；Pocket (21) is lifted with described rectangular frame,
Described pocket (21) bottom is placed on described doubling underframe (12).
9. folding pushchair as claimed in claim 5 is it is characterised in that described covering for roofs (14)
It is the desktop being made up of two pieces of jigsaw, near the one of described first connecting rod (1) on described jigsaw
End and the described hinge on described first connecting rod (1) top, symmetrical between two pieces of described jigsaw
Be provided with two fix bars (29), the two ends of two described fix bars (29) respectively with two institutes
The described hinge stating first connecting rod (1) top is fixedly connected, in two described fix bars (29)
Portion symmetrically has semicircle orifice, and two described semicircle orifice splicing compositions are logical for grafting umbrella (23)
Hole (22).
10. folding pushchair as claimed in claim 9 is it is characterised in that the umbrella of described umbrella (23)
Bar (24) bottom passes through the described through hole (22) of described covering for roofs (14), and described umbrella stem (24)
Bottom is connected to be stably fixed on the support member (25) on ground, and described umbrella stem (24) top sets
There is sky shade (26), described sky shade (26) bottom margin side is provided with blocks sunlight
Puggaree (27), described sky shade (26) bottom margin opposite side is provided with provides extra concealment
Umbrella lobe fringing (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001130.8A CN106476874B (en) | 2015-12-28 | 2015-12-28 | A kind of double leval jib retaining mechanism and its folding pushchair using the mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001130.8A CN106476874B (en) | 2015-12-28 | 2015-12-28 | A kind of double leval jib retaining mechanism and its folding pushchair using the mechanism |
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| Publication Number | Publication Date |
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| CN106476874A true CN106476874A (en) | 2017-03-08 |
| CN106476874B CN106476874B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511001130.8A Active CN106476874B (en) | 2015-12-28 | 2015-12-28 | A kind of double leval jib retaining mechanism and its folding pushchair using the mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108705600A (en) * | 2018-07-11 | 2018-10-26 | 中山市狄兰卡服饰有限公司 | Ultrasonic automatic belt cutting machine |
| CN108945077A (en) * | 2018-09-29 | 2018-12-07 | 昆山威凯儿童用品有限公司 | A kind of stroller of preceding handrail automatic retracting |
| CN114537499A (en) * | 2020-11-24 | 2022-05-27 | 绍兴上虞日星五金制品有限公司 | Children's carrier |
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| CN201712643U (en) * | 2010-06-15 | 2011-01-19 | 浙江泰普森休闲用品有限公司 | Bundle-type luggage barrow |
| US8011686B2 (en) * | 2008-10-10 | 2011-09-06 | Zhaosheng Chen | Folding wagon |
| CN104309666A (en) * | 2014-07-07 | 2015-01-28 | 谢玉才 | Portable foldable trolley |
| KR101491427B1 (en) * | 2014-10-03 | 2015-02-06 | 짜오셩 첸 | Folding wagon with canopy |
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| WO2000073122A1 (en) * | 1999-06-01 | 2000-12-07 | Daniel Jean Delaby | Collapsible trolley |
| US8011686B2 (en) * | 2008-10-10 | 2011-09-06 | Zhaosheng Chen | Folding wagon |
| CN201712643U (en) * | 2010-06-15 | 2011-01-19 | 浙江泰普森休闲用品有限公司 | Bundle-type luggage barrow |
| CN104309666A (en) * | 2014-07-07 | 2015-01-28 | 谢玉才 | Portable foldable trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108705600A (en) * | 2018-07-11 | 2018-10-26 | 中山市狄兰卡服饰有限公司 | Ultrasonic automatic belt cutting machine |
| CN108945077A (en) * | 2018-09-29 | 2018-12-07 | 昆山威凯儿童用品有限公司 | A kind of stroller of preceding handrail automatic retracting |
| CN108945077B (en) * | 2018-09-29 | 2023-09-29 | 昆山威凯儿童用品有限公司 | Baby stroller with front armrests capable of being automatically folded |
| CN114537499A (en) * | 2020-11-24 | 2022-05-27 | 绍兴上虞日星五金制品有限公司 | Children's carrier |
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| Publication number | Publication date |
|---|---|
| CN106476874B (en) | 2018-07-24 |
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