CN107719449A - The wheel stand gathering mechanism and vehicle frame of a kind of children trolley - Google Patents
The wheel stand gathering mechanism and vehicle frame of a kind of children trolley Download PDFInfo
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- CN107719449A CN107719449A CN201711056885.7A CN201711056885A CN107719449A CN 107719449 A CN107719449 A CN 107719449A CN 201711056885 A CN201711056885 A CN 201711056885A CN 107719449 A CN107719449 A CN 107719449A
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- support bar
- component
- rotating shaft
- action
- rear cross
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000009471 action Effects 0.000 claims abstract description 79
- 239000011324 bead Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B62B7/086—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 becoming smaller in all three dimensions
-
- 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
- B62B7/083—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 the wheel axes being moved from each other during folding
-
- 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
-
- 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
- B62B2205/003—Hand-propelled vehicles or sledges being foldable or dismountable when not in use with actuation mechanisms which drive the folding or unfolding operation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of wheel stand gathering mechanism of children trolley; including two front support rods, preceding stull component, two back support rods, rear cross member component and bottom support bar; two front support rods or so set and for installing front component; preceding stull component is arranged between two front support rods and has deployed condition and folded state; two back support rods or so set and for installing wheel assembly; rear cross member component is arranged between two back support rods and has deployed condition and folded state; before the support bar of bottom; respectively with preceding, the linkage of rear cross member component is set for rear end.The jackknife action of stull component before the jackknife action of rear cross member component is driven by bottom support bar, easily and fast, very convenient old man and Ms use rear cross member member collapses, and the vehicle frame volume after folding is smaller.The invention also discloses the vehicle frame of the children trolley using above-mentioned wheel stand gathering mechanism.
Description
Technical field
The present invention relates to perambulator field, and in particular to the wheel stand gathering mechanism and vehicle frame of a kind of children trolley.
Background technology
Children trolley or doll carriage are that a kind of infant conserves one of essential instrument, are given birth in particular with people
The gradual quickening that movable joint is played, accompanied and attended to cost to save baby, perambulator is essential articles for use during baby development.
The chassis of common perambulator is mostly X-shaped support, and for the old man and Ms that look after children, the folding of perambulator and opening are taken
When, it is laborious can not even complete, and the length after folding is larger, can not meet the needs of modern infant car.
The content of the invention
It is an object of the invention to provide a kind of wheel stand gathering mechanism of children trolley, its need to push away or under press
Make, you can realize the unblock and folding of wheel stand, a step is completed.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of wheel stand gathering mechanism of children trolley,
Including：
- two front support rods, the two left and right set and for installing front component；
- preceding stull component, it is arranged between two front support rod and has deployed condition and folded state；
- two back support rods, the two left and right set and for installing wheel assembly；
- rear cross member component, it is arranged between two back support rod and has deployed condition and folded state；
Wherein, the wheel stand gathering mechanism also includes bottom support bar, the bottom support bar front end and the preceding stull
Component linkage is set, and the bottom support rod rear end is set with rear cross member component linkage, the folding of the rear cross member component
Action drives the up action of the bottom support rod rear end, and the up action of the bottom support bar drives the preceding stull group
The jackknife action of part, the expansion action of the rear cross member component drive the descending action of the bottom support rod rear end, the bottom
The descending action of portion's support bar drives the expansion action of the preceding stull component.
In above-mentioned technical proposal, the preceding stull component includes first support bar, and the first support bar includes left and right and set
Two first connecting rods that two supported joints and left and right put are set, the outer end of two front support rod and two supported joint passes through
Rotating shaft A rotatable connections respectively, the inner outer end with two first connecting rod of two supported joint is distinguished by rotating shaft B
Rotatable connection, the inner of two first connecting rod are mutually rotatably connected by rotating shaft C, and the rotating shaft A is along right and left
To extension, the rotating shaft B, C perpendicular to the rotating shaft A bearing of trend and perpendicular to the bearing of trend of the bottom support bar；
The rear cross member component includes second support bar, and the second support bar includes two second connecting rods that left and right is set, described
The outer end of two back support rods and two second connecting rod is rotatably connected respectively by rotating shaft D, two second connecting rod it is interior
End is mutually rotatably connected by rotating shaft E, the rotating shaft D, and E is perpendicular to plane where two back support rod.
In above-mentioned technical proposal, the rear cross member component be additionally provided be locked in deployed condition the first locking member and
The first of the unlocking motion of first locking member is driven to solve lock set, the first solution lock set includes middle support bar and led
Draw bar, the middle support bar is set with rear cross member component linkage, and the draw bar is movably coupled to along the vertical direction
Link on the middle support bar and with first locking member and set, the up action of the draw bar drives described the successively
The up action of the unlocking motion of one locking member and the middle support bar, the up action of the middle support bar drive it is described after
The jackknife action of stull component, the descending action of the draw bar drive the descending action and described of the middle support bar successively
The lock out action of one locking member, the descending action of the middle support bar drive the expansion action of the rear cross member component.
In above-mentioned technical proposal, the second support bar is arranged to three, including upper support bar, inclined support bar and lower branch
Strut, the upper support bar include two sections of upper connecting rods that left and right is set, and the inclined support bar includes two sections that left and right is set and tiltedly connected
Bar, the lower support bar include two sections of lower links that left and right is set, the middle support bar be provided with one can it is relative its slide the
One slide unit, first locking member is located between the middle support bar and first slide unit, on described two sections
The outer end of connecting rod rotatably connects on two back support rod respectively, and the inner of two sections of upper connecting rods rotatably connects respectively
Connecing on the middle support bar, the outer end of two sections of diagonal control arms rotatably connects on two back support rod respectively, and described two
The inner of section diagonal control arm rotatably connects on the middle support bar respectively, and the outer end difference of two sections of lower links is rotatable
Connect on two back support rod, the inner of two sections of lower links rotatably connects on the middle support bar respectively.
In above-mentioned technical proposal, the outer end of the diagonal control arm is close to the lower link, and the rear cross member component is in expansion shape
Under state, first slide unit close to the upper connecting rod, the rear cross member component in a folded configuration, first sliding part
Part is close to the lower link.
In above-mentioned technical proposal, the draw bar is coordinated with first locking member by ramp structure, and described first
Locking member includes card bead, and the card bead is telescopic along the longitudinal direction to be connected on the middle support bar, in elastic reset portion
Under the active force of part, the card bead stretches out the middle support bar and the first slide unit described in clamping, under external force, described
The ramp structure of draw bar and the ramp structure of the card bead coordinate to drive the card bead to overcome the elastic reseting part
Active force is retracted within the middle support bar.
The present invention also provides another technical scheme：A kind of vehicle frame of children trolley, including：
- as described above wheel stand gathering mechanism；
- two push rods, the two left and right is set and for installing push handle component, the push handle component has deployed condition and folded state
And provided with the second locking member and the second of the unlocking motion of driving second locking member being locked in deployed condition
Lock set is solved, the push handle component includes two handles that left and right is set, and the inner F around the shaft of two handle is mutually rotatable
Connection；
- side stay component, it is arranged between the front support rod of the same side, back support rod and push rod, the side stay component
Locked with deployed condition and folded state and provided with being locked in the 3rd locking member of deployed condition and driving the described 3rd
Determine the 3rd solution lock set of the unlocking motion of part；
The 3rd solution lock set includes pull rope and rotating shaft G, and one end of the pull rope and the 3rd locking member are mutual
Linkage, the other end of the pull rope be connected on the rotating shaft G and the pull rope with the rotating shaft G rotation take-up or
Unwrapping wire, the rotating shaft G are rotatablely connected with the push rod, and the outer end of the handle is mutually linked with the rotating shaft G, described
The jackknife action of push handle component drives the rotation take-up action of the rotating shaft G, and the expansion of the push handle component is acted described in drive
Rotating shaft G rotation unwrapping wire action；The rotating shaft F, G are perpendicular to plane where two push rod.
In above-mentioned technical proposal, second locking member includes positioning gear ring, and the positioning gear ring is axially movable
Be connected on the swivel joint A of wherein one handle, under the active force of elastic reseting part, the positioning gear ring with it is another
The swivel joint B circumference teeth of a piece handle are located by connecting, and under external force, the positioning gear ring overcomes elastic reset portion
The active force of part and the swivel joint B depart from so that the swivel joint A, B are rotatably connected, the swivel joint A, B
In, one of which is the rotating shaft F, and another one is axle sleeve.
In above-mentioned technical proposal, second locking member also includes position limiting structure, and the position limiting structure is radially displaceable
Be connected on the swivel joint A, under the active force of elastic reseting part, the position limiting structure is located at the positioning gear ring
Axial movement track on, under external force, the position limiting structure overcomes the active force of the elastic reseting part to avoid institute
The axial movement track of positioning gear ring is stated so that the positioning gear ring axial movement, the operating side of the position limiting structure are provided with unblock
Handle.
In above-mentioned technical proposal, the pull rope is arranged in the cavity of the push rod.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1）The wheel stand gathering mechanism of children trolley disclosed by the invention, the jackknife action of rear cross member component are supported by bottom
The jackknife action of stull component before bar drives, easily and fast, very convenient old man and Ms use rear cross member member collapses, and
Vehicle frame volume after folding is smaller；
2）The wheel stand gathering mechanism of children trolley disclosed by the invention, the up action of draw bar drive the first locking member
Unblock, the folding of rear cross member component and the folding of preceding stull component, operation it is very simple and convenient；
3）The vehicle frame of children trolley disclosed by the invention, the jackknife action of push handle component drive the unlocking motion of side stay component, behaviour
It is simple time saving and energy saving to make.
Brief description of the drawings
Fig. 1 is the stereogram of the vehicle frame deployed condition of children trolley disclosed by the invention.
Fig. 2 is the side view of the vehicle frame deployed condition of children trolley disclosed by the invention.
Fig. 3 is the side view of the vehicle frame semi-collapsed condition of children trolley disclosed by the invention.
Fig. 4 is the top view of preceding stull component deployed condition disclosed by the invention.
Fig. 5 is the top view of preceding stull member collapses state disclosed by the invention
Fig. 6 is the rearview of rear cross member component deployed condition disclosed by the invention.
Fig. 7 is the side view of rear cross member component deployed condition disclosed by the invention.
Fig. 8 is the rearview of rear cross member member collapses state disclosed by the invention.
Fig. 9 is the side view of rear cross member member collapses state disclosed by the invention.
Figure 10 is the top view of handle deployed condition disclosed by the invention.
Figure 11 is the top view of handle folding process disclosed by the invention.
Figure 12 is the structural representation of the second locking member locking state disclosed by the invention.
Figure 13 is the structural representation of the 3rd locking member locking state disclosed by the invention.
Figure 14 is the structural representation of the 3rd locking member released state disclosed by the invention.
Figure 15 is the stereogram of the vehicle frame deployed condition of children trolley disclosed by the invention.
Figure 16 is the side view of the vehicle frame deployed condition of children trolley disclosed by the invention.
Figure 17 is the side view of the vehicle frame semi-collapsed condition of children trolley disclosed by the invention.
Wherein：100th, front support rod；200th, preceding stull component；210th, supported joint；220th, first connecting rod；300th, rear support
Bar；400th, rear cross member component；410th, second connecting rod；411st, upper connecting rod；412nd, diagonal control arm；413rd, lower link；420th, the first locking
Part；421st, card bead；422nd, elastic reseting part；430th, the first solution lock set；431st, middle support bar；432nd, draw bar；433、
First slide unit；434th, the first unblock button；435th, briquetting；500th, bottom support bar；600th, push rod；700th, push handle component；
710th, the second locking member；711st, gear ring is positioned；712nd, swivel joint A；713rd, elastic reseting part；714th, swivel joint B；
715th, position limiting structure；716th, elastic reseting part；717th, unblock handle；720th, the second solution lock set；730th, handle；800th, side stay
Component；810th, the 3rd locking member；811st, snap fit；812nd, sliding block；813rd, elastic reseting part；820th, the 3rd solution lock set；
821st, pull rope；822nd, rotating shaft G；831st, the second slide unit；832nd, front rod；833rd, back link；834th, side handrail.
Embodiment
With reference to drawings and Examples, the invention will be further described：
Referring to Fig. 1 to Figure 14, as shown in legend therein, a kind of vehicle frame of children trolley, including：
- two front support rods 100, the two left and right set and for installing front component；
- preceding stull component 200, it is arranged between two front support rods 100 and has deployed condition and folded state；
- two back support rods 300, the two left and right set and for installing wheel assembly；
- rear cross member component 400, it is arranged between two back support rods 300 and has deployed condition and folded state；
- bottom support bar 500, its front-end and back-end are set with preceding stull component 200 and the linkage of rear cross member component 400 respectively, after
The jackknife action of stull component 400 drives the up action of the rear end of bottom support bar 500, the up action of bottom support bar 500
The jackknife action of stull component 200 before drive, the expansion action of rear cross member component 400 are driven under the rear end of bottom support bar 500
Action is made, the expansion action of stull component 200 before the descending action drive of bottom support bar 500；
-- two push rods 600, the two left and right set and for installing push handle component 700；
- side stay component 800, it is arranged between the front support rod 100 of the same side, back support rod 300 and push rod 600.
In above-mentioned technical proposal, the jackknife action of rear cross member component passes through the folding of stull component before bottom support bar drives
Action, easily and fast, very convenient old man and Ms use rear cross member member collapses, and the vehicle frame volume after folding is smaller.
In a kind of embodiment, preceding stull component 200 includes first support bar, and first support bar includes two that left and right is set
The outer end of two first connecting rods 220 that supported joint 210 and left and right are set, two front support rods 100 and two supported joints 210 is by turning
Axle A rotatable connections respectively, the inner and the outer end of two first connecting rods 220 of two supported joints 210 can be turned respectively by rotating shaft B
Dynamic connection, the inner of two first connecting rods 220 are mutually rotatably connected by rotating shaft C, and rotating shaft A extends in left-right direction, turns
Axle B, C perpendicular to rotating shaft A bearing of trend and perpendicular to the bearing of trend of bottom support bar 500；
Rear cross member component 400 includes second support bar, and second support bar includes two second connecting rods 410 that left and right is set, propped up after two
Strut 300 is rotatably connected respectively with the outer end of two second connecting rods 410 by rotating shaft D, and the inner of two second connecting rods 410 passes through
Rotating shaft E is mutually rotatably connected, rotating shaft D, and E is perpendicular to the place plane of two back support rod 300.
In a kind of embodiment, rear cross member component 400 is additionally provided with the first locking member 420 being locked in deployed condition
With the first solution lock set 430 of the unlocking motion of the first locking member 420 of driving, the first solution lock set 430 includes middle support bar
431 and draw bar 432, middle support bar 431 is set with the linkage of rear cross member component 400, and draw bar 432 is moveable along the vertical direction
It is connected on support bar 431 and is linked with the first locking member 420 and set, the up action of draw bar 432 drives the successively
The up action of the unlocking motion and middle support bar 431 of one locking member 420, it is horizontal after the up action drive of middle support bar 431
The jackknife action of support component 400, the descending action of support bar 431 and the first lock during the descending action of draw bar 432 drives successively
Determine the lock out action of part 420, the descending action of middle support bar 431 drives the expansion action of rear cross member component 400.
In a kind of embodiment, above-mentioned second support bar is arranged to three, including upper support bar, inclined support bar and lower branch
Strut, upper support bar include two sections of upper connecting rods 411 that left and right is set, and inclined support bar includes two sections of diagonal control arms 412 that left and right is set,
Lower support bar includes two sections of lower links 413 that left and right is set, and middle support bar 431 is provided with one and can slided with respect to the first of its slip
Part 433, the first locking member 420 are located between the middle slide unit 433 of support bar 431 and first, two sections of upper connecting rods 411 it is outer
End is rotatable respectively to be connected on two back support rods 300, support bar in the inner connection rotatable respectively of two sections of upper connecting rods 411
On 431, the outer end of two sections of diagonal control arms 412 is rotatable respectively to be connected on two back support rods 300, the inner of two sections of diagonal control arms 412
Respectively in rotatable connection on support bar 431, the outer end of two sections of lower links 413 rotatably connects two rear support respectively
On bar 300, in the inner connection rotatable respectively of two sections of lower links 413 on support bar 431.
In a kind of embodiment, the outer end of diagonal control arm 412 is close to lower link 413, and rear cross member component 400 is in deployed condition
Under, the first slide unit 433 is close to upper connecting rod 411, and in a folded configuration, the first slide unit 433 is close for rear cross member component 400
Lower link 413.
In a kind of embodiment, draw bar 432 is coordinated with the first locking member 420 by ramp structure, the first sticking department
Part 420 includes card bead 421, and card bead 421 is telescopic along the longitudinal direction to be connected on middle support bar 431, in elastic reseting part
Under 422 active force, support bar 431 and the first slide unit of clamping 433 during card bead 421 is stretched out, under external force, draw bar
432 ramp structure coordinates with the ramp structure of card bead 421 to drive card bead 421 to overcome the active force of elastic reseting part 422
In retraction within support bar 431.
In a kind of embodiment, card bead 421 is connected on a spring leaf, and spring leaf is as elastic reseting part and provided with oblique
Face structure.
In a kind of embodiment, the bottom of draw bar 432 is provided with the first unblock button 434 for bearing upward external force.
In a kind of embodiment, the bottom of middle support bar 431 is additionally provided with the briquetting 435 for bearing downward external force.
In a kind of embodiment, push handle component 700, which has deployed condition and folded state and is provided with, to be locked in expansion
Second solution lock set 720 of the unlocking motion of the second locking member 710 of the second locking member 710 and driving of state, handle group
Part 700 includes two handles 730 that left and right is set, and the inner F around the shaft of two handles 730 is mutually rotatably connected, side stay component
800 have deployed condition and folded state and provided with the 3rd locking member 810 and driving the 3rd being locked in deployed condition
3rd solution lock set 820 of the unlocking motion of locking member 810, the 3rd solution lock set 820 include pull rope 821 and rotating shaft
G822, one end of pull rope 821 are mutually linked with the 3rd locking member 810, and the other end of pull rope 821 is connected to rotating shaft G822
Upper and pull rope 821 is rotatablely connected with push rod 600, pushed away with rotating shaft G822 rotation take-up or unwrapping wire, rotating shaft G822
730 outer end is mutually linked with rotating shaft G822, the jackknife action of push handle component 700 drives rotating shaft G822 rotation take-up to move
Make, the expansion action of push handle component 700 drives rotating shaft G822 rotation unwrapping wire action；Rotating shaft F, G are where two push rod 600
Plane.
In a kind of embodiment, the second locking member 710 includes positioning gear ring 711, and positioning gear ring 711 is axially movable
Be connected on the swivel joint A712 of wherein one push rod, under the active force of elastic reseting part 713, positioning gear ring 711 with
The swivel joint B714 teeth of another push rod are located by connecting, and under external force, positioning gear ring 711 overcomes elastic reseting part
713 active force departs from swivel joint B714 so that swivel joint A, B712,714 are rotatably connected, and second solves lock set
720 include the second unblock button located at the operating side of positioning gear ring 711.
In a kind of embodiment, the second locking member 710 also includes position limiting structure 715, and position limiting structure 715 is radially displaceable
Be connected on swivel joint A712, under the active force of elastic reseting part 716, position limiting structure 715 positioned at positioning gear ring 711
Axial movement track on, under external force, position limiting structure 715 overcomes the active force of elastic reseting part 716 to avoid positioning
So that positioning gear ring 711 moves axially, the operating side of position limiting structure 715 is provided with unblock and shaken hands for the axial movement track of gear ring 711
717。
In a kind of embodiment, pull rope 821 is arranged in the cavity of push rod 600.
In a kind of embodiment, side stay component 800 includes the second slide unit 831, front rod 832 and back link 833,
Second slide unit 831 is slidably connected on back support rod 300, and the both ends of front rod 832 are rotatable respectively to connect front support
The slide unit 831 of bar 100 and second, the both ends of back link 833 are rotatable respectively to connect the slide unit of push rod 600 and second
831, upper end and the side handrail 834 of back support rod 300 are relatively fixed, the upper end of front support rod 100 and the lower end difference of push rod 600
It is rotatablely connected with side handrail 834；
3rd locking member 810 includes snap fit 811 and sliding block 812, and the upper end of snap fit 811 is rotatably coupled to back support rod
On 300, sliding block is movably coupled to about 812 on snap fit 811, under the active force of elastic reseting part 813, snap fit 811
Lower end be connected with the clamping of the second slide unit 831, under external force, sliding block 812 overcomes the effect of elastic reseting part 813
Power and the inclined-plane of the second slide unit 831 coordinate so that the lower end of snap fit 811 rotates release the to the direction away from back support rod 300
Two slide units 831.
In a kind of embodiment, the second slide unit 831 is to be sheathed on the sliding sleeve on the outside of back support rod 300, front support rod
100 outer sheath is provided with preceding fixed cover, and the both ends of front rod 832 are rotatable respectively to connect sliding sleeve and preceding fixed cover, push rod 600
Outer sheath be provided with rear fixed cover, the both ends of back link 833 rotatable connection sliding sleeve and rear fixed cover respectively.
It is the horizontal gathering process using the children trolley of above-mentioned technical proposal below：
Give the first unblock button one upward power, the driving of draw bar 432 card bead 421 overcomes the recovery of elastic reseting part 422
Power is retracted into middle support bar 431（The principle coordinated based on inclined-plane）, support bar 431 is up in then driving, and now, first slides
The relatively middle support bar 431 of dynamic component 433 glides, and realizes the jackknife action of rear cross member component 400, the folding of rear cross member component 400
Action drives the upstroke of bottom support bar 500, the folding of stull component 200 before the upstroke drive of bottom support bar 500
Folded action.
It is the longitudinal folding process using the children trolley of above-mentioned technical proposal below：
Give the second unblock button one downward power, promote handle 730 to fold, drive rotating shaft G822 to rotate, and then drive traction
Restrict 831 take-ups, and then overcome the restoring force of elastic reseting part 813 is up to depart from the second slide unit 831 with movable slider 812
（The principle coordinated based on inclined-plane）, realize the unblock of side stay component 800, so realize front support rod 100, back support rod 300 with
And the jackknife action of push rod 600.
Above-mentioned horizontal gathering process can be carried out simultaneously with longitudinal folding process.
It is the horizontal spreading process using the children trolley of above-mentioned technical proposal below：
Give briquetting 435 1 downward power, middle support bar 431 is descending, and then card bead 431 is under the ramp effect of draw bar 432
The restoring force of elastic reseting part 422 is overcome to be retracted into middle support bar 431（The principle coordinated based on inclined-plane）, now, first
It is sliding on the relatively middle support bar 431 of slide unit 433, realize the expansion action of rear cross member component 400, the exhibition of rear cross member component 400
The downward movement for making to drive bottom support bar 500 is started, stull component 200 before the downward movement drive of bottom support bar 500
Expansion acts.
It is longitudinal expansion process using the children trolley of above-mentioned technical proposal below：
The expansion of front support rod 100, back support rod 300 and push rod 600 drives 831 relative back support rod of the second slide unit
300 is up, and then, sliding block 812 overcomes the elastic reset of elastic reseting part 813 to make in the presence of the second slide unit 831
Firmly enter in the neck of the second slide unit 831（The principle coordinated based on inclined-plane）, promote handle expansion.
Referring to Figure 15 to Figure 17, as shown in legend therein, in another embodiment, side stay component 800 includes push rod
Connector 851, front rod 852 and back link 853, the upper end of push rod connector 851 are articulated with a points with the lower end of push rod 600,
The lower end of push rod connector 851 and side handrail 854 are articulated with b points, and the upper end of the lower end of push rod 600 also with back link 853 is hinged
In c points, stage casing and the back support rod 300 of back link 853 are articulated with c points, and upper end and the side handrail 854 of back support rod 300 are fixed
Connection,
The rear end of front rod 852 is articulated with e points with the lower end of back link 853, and front end and the front support rod 100 of front rod 852 are cut with scissors
F points are connected to, upper end and the side handrail 854 of front support rod 100 are articulated with f points；
Abcd forms first four-bar linkage structure, and def forms second four-bar linkage structure, and two four-bar linkage structures mutually link；
3rd locking member 810 includes sliding block 814, and sliding block 814 is removable to be connected on push rod 600, in elastic reseting part 815
Under active force, sliding block 814 stretches out push rod 600 and clamping push rod connector 851, and under external force, sliding block 814 overcomes elasticity multiple
Within the active force retraction push rod 600 of position part 815, sliding block is connected with pull rope 821.
It is the horizontal gathering process using the children trolley of above-mentioned technical proposal below：
Give the first unblock button one upward power, the driving of draw bar 432 card bead 421 overcomes the recovery of elastic reseting part 422
Power is retracted into middle support bar 431（The principle coordinated based on inclined-plane）, support bar 431 is up in then driving, and now, first slides
The relatively middle support bar 431 of dynamic component 433 glides, and realizes the jackknife action of rear cross member component 400, the folding of rear cross member component 400
Action drives the upstroke of bottom support bar 500, the folding of stull component 200 before the upstroke drive of bottom support bar 500
Folded action.
It is the longitudinal folding process using the children trolley of above-mentioned technical proposal below：
Give the second unblock button one downward power, promote handle 730 to fold, drive rotating shaft G822 to rotate, and then drive traction
Restrict 831 take-ups, and then overcome the restoring force of elastic reseting part 815 is up to depart from push rod connector 851 with movable slider 814（Base
In the principle that inclined-plane coordinates）, the unblock of side stay component 800 is realized, and then realize front support rod 100, back support rod 300 and push away
The jackknife action of bar 600.
Above-mentioned horizontal gathering process can be carried out simultaneously with longitudinal folding process.
It is the horizontal spreading process using the children trolley of above-mentioned technical proposal below：
Give briquetting 435 1 downward power, middle support bar 431 is descending, and then card bead 431 is under the ramp effect of draw bar 432
The restoring force of elastic reseting part 422 is overcome to be retracted into middle support bar 431（The principle coordinated based on inclined-plane）, now, first
It is sliding on the relatively middle support bar 431 of slide unit 433, realize the expansion action of rear cross member component 400, the exhibition of rear cross member component 400
The downward movement for making to drive bottom support bar 500 is started, stull component 200 before the downward movement drive of bottom support bar 500
Expansion acts.
It is longitudinal expansion process using the children trolley of above-mentioned technical proposal below：
The expansion of front support rod 100, back support rod 300 and push rod 600 drives 831 relative back support rod of the second slide unit
300 is up, and then, sliding block 814 overcomes the elastic reset of elastic reseting part 815 to act in the presence of push rod connector 851
Power enters in the neck of push rod connector 851（The principle coordinated based on inclined-plane）, handle expansion is promoted, realizes longitudinal exhibition of vehicle frame
Open.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of wheel stand gathering mechanism of children trolley, including：
- two front support rods（100）, the two left and right sets and for installing front component；
- preceding stull component（200）, it is arranged at two front support rod（100）Between and there is deployed condition and folded state；
- two back support rods（300）, the two left and right sets and for installing wheel assembly；
- rear cross member component（400）, it is arranged at two back support rod（300）Between and there is deployed condition and folded state；
Characterized in that, the wheel stand gathering mechanism also includes bottom support bar（500）, the bottom support bar（500）
Front end and the preceding stull component（200）Linkage is set, the bottom support bar（500）Rear end and the rear cross member component
（400）Linkage is set, the rear cross member component（400）Jackknife action drive the bottom support bar（500）Rear end it is up
Action, the bottom support bar（500）Up action drive the preceding stull component（200）Jackknife action, it is horizontal after described
Support component（400）Expansion action drive the bottom support bar（500）The descending action of rear end, the bottom support bar
（500）Descending action drive the preceding stull component（200）Expansion action.
2. the wheel stand gathering mechanism of children trolley according to claim 1, it is characterised in that the preceding stull component
（200）Including first support bar, the first support bar includes two supported joints that left and right is set（210）Two set with left and right
First connecting rod（220）, two front support rod（100）With two supported joint（210）Outer end can be turned respectively by rotating shaft A
Dynamic connection, two supported joint（210）It is inner with two first connecting rod（220）Outer end by rotating shaft B respectively can
The connection of rotation, two first connecting rod（220）The inner mutually rotatably connected by rotating shaft C, the rotating shaft A is along left and right
Direction extend, the rotating shaft B, C perpendicular to the rotating shaft A bearing of trend and perpendicular to the bottom support bar（500）Prolong
Stretch direction；
The rear cross member component（400）Including second support bar, the second support bar includes two second connecting rods that left and right is set
（410）, two back support rod（300）With two second connecting rod（410）Outer end rotatably connected respectively by rotating shaft D
Connect, two second connecting rod（410）The inner mutually rotatably connected by rotating shaft E, the rotating shaft D, E is perpendicular to described two
Back support rod（300）Place plane.
3. the wheel stand gathering mechanism of children trolley according to claim 2, it is characterised in that the rear cross member component
（400）It is additionally provided with the first locking member being locked in deployed condition（420）With driving first locking member（420）'s
First solution lock set of unlocking motion（430）, the first solution lock set（430）Including middle support bar（431）And draw bar
（432）, the middle support bar（431）With the rear cross member component（400）Linkage is set, the draw bar（432）Vertically side
To being movably coupled to the middle support bar（431）It is upper and with first locking member（420）Linkage is set, the traction
Bar（432）Up action drive first locking member successively（420）Unlocking motion and the middle support bar（431）'s
Up action, the middle support bar（431）Up action drive the rear cross member component（400）Jackknife action, it is described to lead
Draw bar（432）Descending action drive the middle support bar successively（431）Descending action and first locking member（420）
Lock out action, the middle support bar（431）Descending action drive the rear cross member component（400）Expansion action.
4. the wheel stand gathering mechanism of children trolley according to claim 3, it is characterised in that the second support bar
Three, including upper support bar, inclined support bar and lower support bar are arranged to, the upper support bar is included on two sections that left and right is set
Connecting rod（411）, the inclined support bar include left and right set two sections of diagonal control arms（412）, the lower support bar include left and right set
Two sections of lower links（413）, the middle support bar（431）Being provided with one can be with respect to the first slide unit of its slip（433）, institute
State the first locking member（420）Located at the middle support bar（431）With first slide unit（433）Between, described two sections
Upper connecting rod（411）Outer end rotatably connect two back support rod respectively（300）On, two sections of upper connecting rods（411）'s
The inner rotatably connects the middle support bar respectively（431）On, two sections of diagonal control arms（412）Outer end difference it is rotatable
Connect two back support rod（300）On, two sections of diagonal control arms（412）The inner rotatably connect the middle support respectively
Bar（431）On, two sections of lower links（413）Outer end rotatably connect two back support rod respectively（300）On, it is described
Two sections of lower links（413）The inner rotatably connect the middle support bar respectively（431）On.
5. the wheel stand gathering mechanism of children trolley according to claim 4, it is characterised in that the diagonal control arm
（412）Outer end close to the lower link（413）, the rear cross member component（400）In the deployed state, first sliding part
Part（433）Close to the upper connecting rod（411）, the rear cross member component（400）In a folded configuration, first slide unit
（433）Close to the lower link（413）.
6. according to the wheel stand gathering mechanism of any described children trolley of claim 4 or 5, it is characterised in that described to lead
Draw bar（432）With first locking member（420）Coordinated by ramp structure, first locking member（420）Including card
Pearl（421）, the card bead（421）It is telescopic along the longitudinal direction to be connected to the middle support bar（431）On, in elastic reset portion
Part（422）Active force under, the card bead（421）Stretch out the middle support bar（431）And the first slide unit described in clamping
（433）, under external force, the draw bar（432）Ramp structure and the card bead（421）Ramp structure coordinate with band
Move the card bead（421）Overcome the elastic reseting part（422）Active force be retracted the middle support bar（431）Within.
A kind of 7. vehicle frame of children trolley, it is characterised in that including：
- wheel stand the gathering mechanism as described in claim 1 to 6 is any；
- two push rods（600）, the two left and right sets and for installing push handle component（700）, the push handle component（700）With exhibition
Open state and folded state are simultaneously provided with the second locking member being locked in deployed condition（710）The second locking described with driving
Part（710）Unlocking motion second solution lock set（720）, the push handle component（700）Two handles set including left and right
（730）, two handle（730）Inner F around the shaft mutually rotatably connect；
- side stay component（800）, it is arranged in the front support rod of the same side（100）, back support rod（300）And push rod
（600）Between, the side stay component（800）With deployed condition and folded state and provided with being locked the in deployed condition
Three locking members（810）With driving the 3rd locking member（810）Unlocking motion the 3rd solution lock set（820）；
The 3rd solution lock set（820）Including pull rope（821）With rotating shaft G（822）, the pull rope（821）One end with
3rd locking member（810）Mutually linkage, the pull rope（821）The other end be connected to the rotating shaft G（822）It is upper and
The pull rope（821）With the rotating shaft G（822）Rotation take-up or unwrapping wire, the rotating shaft G（822）Rotatable connection
In the push rod（600）On, the handle（730）Outer end and the rotating shaft G（822）Mutually linkage, the push handle component
（700）Jackknife action drive the rotating shaft G（822）Rotation take-up action, the push handle component（700）Expansion action band
Move the rotating shaft G（822）Rotation unwrapping wire action；The rotating shaft F, G are perpendicular to two push rod（600）Place plane.
8. the vehicle frame of children trolley according to claim 7, it is characterised in that second locking member（710）Including
Position gear ring（711）, the positioning gear ring（711）Axially movable is connected to a wherein handle（730）Rotation
Joint A（712）On, in elastic reseting part（713）Active force under, the positioning gear ring（711）With another handle
（730）Swivel joint B（714）Circumferential tooth is located by connecting, under external force, the positioning gear ring（711）Overcome elasticity multiple
Position part（713）Active force and the swivel joint B（714）Depart from so that the swivel joint A, B（712,714）Rotatably
Connection, the swivel joint A, B（712,714）In, one of which is the rotating shaft F, and another one is axle sleeve.
9. the vehicle frame of children trolley according to claim 8, it is characterised in that second locking member（710）Also wrap
Include position limiting structure（715）, the position limiting structure（715）It is radially movable to be connected to the swivel joint A（712）On, in bullet
Property reset components（716）Active force under, the position limiting structure（715）Positioned at the positioning gear ring（711）Axial movement rail
On mark, under external force, the position limiting structure（715）Overcome the elastic reseting part（716）Active force avoid it is described
Position gear ring（711）Axial movement track so that the positioning gear ring（711）Axial movement, the position limiting structure（715）'s
Operating side is provided with unblock and shaken hands（717）.
10. the vehicle frame of children trolley according to claim 7, it is characterised in that the pull rope（821）It is arranged in described
Push rod（600）Cavity in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/090916 WO2019007196A1 (en) | 2017-07-06 | 2018-06-13 | Wheel bracket folding mechanism for baby stroller and stroller frame |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547828.2A CN107298124A (en) | 2017-07-06 | 2017-07-06 | A kind of Novel baby vehicle frame for being easy to fold |
| CN2017105478282 | 2017-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719449A true CN107719449A (en) | 2018-02-23 |
| CN107719449B CN107719449B (en) | 2024-03-22 |
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ID=60136372
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547828.2A Pending CN107298124A (en) | 2017-07-06 | 2017-07-06 | A kind of Novel baby vehicle frame for being easy to fold |
| CN201711056885.7A Active CN107719449B (en) | 2017-07-06 | 2017-10-27 | Wheel support folding mechanism and frame of child cart |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547828.2A Pending CN107298124A (en) | 2017-07-06 | 2017-07-06 | A kind of Novel baby vehicle frame for being easy to fold |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN107298124A (en) |
| WO (1) | WO2019007196A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007196A1 (en) * | 2017-07-06 | 2019-01-10 | 昆山森夏儿童用品有限公司 | Wheel bracket folding mechanism for baby stroller and stroller frame |
| CN110294008A (en) * | 2018-03-22 | 2019-10-01 | 明门瑞士股份有限公司 | Stroller |
| CN112896282A (en) * | 2021-03-15 | 2021-06-04 | 东莞恒耀日用制品有限公司 | Baby carriage |
| CN113753117A (en) * | 2021-09-24 | 2021-12-07 | 广东乐美达集团有限公司 | Novel four-folding vehicle frame structure and baby carriage |
| CN114560005A (en) * | 2022-02-22 | 2022-05-31 | 深圳市惠贝贝科技有限公司 | Baby carriage |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11370467B1 (en) * | 2021-02-05 | 2022-06-28 | Brian Horowitz | Folding wagon having a height adjustable frame and collapsible handles |
| CN115158434B (en) * | 2022-06-13 | 2023-12-29 | 好孩子儿童用品有限公司 | Baby carrier |
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- 2017-07-06 CN CN201710547828.2A patent/CN107298124A/en active Pending
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| CN103201157A (en) * | 2010-09-16 | 2013-07-10 | 米特西有限公司 | Devices for supporting a child |
| CN103287474A (en) * | 2013-06-09 | 2013-09-11 | 慈溪市福贝贝儿童用品有限公司 | Baby stroller structure |
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| WO2019007196A1 (en) * | 2017-07-06 | 2019-01-10 | 昆山森夏儿童用品有限公司 | Wheel bracket folding mechanism for baby stroller and stroller frame |
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| CN114560005B (en) * | 2022-02-22 | 2023-08-25 | 深圳市惠贝贝科技有限公司 | Baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107719449B (en) | 2024-03-22 |
| CN107298124A (en) | 2017-10-27 |
| WO2019007196A1 (en) | 2019-01-10 |
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