CN207747928U - A kind of the wheel stand gathering mechanism and vehicle frame of children trolley - Google Patents
A kind of the wheel stand gathering mechanism and vehicle frame of children trolley Download PDFInfo
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- CN207747928U CN207747928U CN201721402693.2U CN201721402693U CN207747928U CN 207747928 U CN207747928 U CN 207747928U CN 201721402693 U CN201721402693 U CN 201721402693U CN 207747928 U CN207747928 U CN 207747928U
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Abstract
The utility model discloses a kind of wheel stand gathering mechanisms of children trolley; including two front support rods, preceding stull component, two back support rods, rear cross member component and bottom supporting rod; two front support rod left and right settings simultaneously are used to install front component; preceding stull component is set between two front support rods and has unfolded state and folded state; two back support rod left and right settings simultaneously are used to install wheel assembly; rear cross member component is set between two back support rods and has unfolded state and folded state; before the supporting rod of bottom; rear end respectively with it is preceding, rear cross member component linkage setting.The jackknife action of stull component before the jackknife action of rear cross member component is driven by bottom supporting rod, easily and fast, very convenient old man and Ms use rear cross member member collapses, and the vehicle frame volume smaller after folding.The invention also discloses the vehicle frames of the children trolley using above-mentioned wheel stand gathering mechanism.
Description
Technical field
The utility model is related to perambulator fields, and in particular to a kind of the wheel stand gathering mechanism and vehicle frame of children trolley.
Background technology
Children trolley or stroller are a kind of one of essential tools of infant's maintenance, are given birth in particular with people
The gradual quickening that movable joint is played is accompanied and attended to cost to save baby, and perambulator is essential articles for use during baby development.
The chassis of common perambulator is mostly X-shaped holder, 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, cannot meet the needs of modern infant vehicle.
Invention content
The purpose of this utility model is to provide a kind of wheel stand gathering mechanism of children trolley, only need to push away or under
Press work, you can realize that the unlock and folding of wheel stand, a step are completed.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of wheel stand gathering of children trolley
Mechanism, including：
- two front support rods, the two left and right settings simultaneously are used to install front component；
Preceding stull component is set between two front support rod and has unfolded state and folded state；
- two back support rods, the two left and right settings simultaneously are used to install wheel assembly；
Rear cross member component is set between two back support rod and has unfolded state and folded state；
Wherein, the wheel stand gathering mechanism further includes bottom supporting rod, bottom supporting rod front end with it is described before
The linkage setting of stull component, the bottom support rod rear end are arranged with rear cross member component linkage, the rear cross member component
Jackknife action drives the uplink action of the bottom support rod rear end, the uplink action drive of the bottom supporting rod described preceding horizontal
The jackknife action of support component, the expansion action of the rear cross member component drive the downlink action of the bottom support rod rear end, institute
The downlink action for stating bottom supporting rod 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 that left and right is set
The outer end of two first connecting rods of two support joints and left and right settings set, two front support rod and two support joint passes through
Shaft A rotatable connections respectively, the inner end of two support joint and the outer end of two first connecting rod are distinguished by shaft B
Rotatable connection, the inner end of two first connecting rod are mutually rotatably connected by rotating shaft C, and the shaft A is along right and left
To extension, the shaft B, C perpendicular to the shaft A extending direction and perpendicular to the extending direction of the bottom supporting rod；
The rear cross member component includes second support bar, and the second support bar includes two second connecting rods of left and right settings,
Two back support rod is rotatably connect with the outer end of two second connecting rod by rotating shaft D respectively, two second connecting rod
Inner end mutually rotatably connected by shaft E, the rotating shaft D, E planes where two back support rod.
In above-mentioned technical proposal, the rear cross member component be additionally provided be locked in unfolded state 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 supporting rod and leads
Draw bar, the middle supporting rod is arranged with rear cross member component linkage, and the draw bar is movably coupled to along the vertical direction
It links on the middle supporting rod and with first locking member and is arranged, the action of the uplink of the draw bar drives described the successively
The uplink of the unlocking motion of one locking member and the middle supporting rod acts, the action of the uplink of the middle supporting rod drive it is described after
The jackknife action of stull component, the downlink action of the draw bar drive the downlink of the middle supporting rod to act and described the successively
The downlink action of the lock out action of one locking member, the middle supporting rod drives the expansion action of the rear cross member component.
In above-mentioned technical proposal, the second support bar is set as three, including upper support bar, inclined support bar and lower branch
Strut, the upper support bar include two sections of upper connecting rods of left and right settings, and the inclined support bar includes that two sections of left and right settings tiltedly connect
Bar, the lower support bar include two sections of lower links of left and right settings, the middle supporting rod be equipped with one can it is opposite its slide the
One slide unit, first locking member is set between the middle supporting rod and first slide unit, on described two sections
The outer end of connecting rod is rotatably connected respectively on two back support rod, and the inner end of two sections of upper connecting rods rotatably connects respectively
It connecing on the middle supporting rod, the outer end of two sections of diagonal control arms is rotatably connected respectively on two back support rod, and described two
The inner end of section diagonal control arm is rotatably connected respectively on the middle supporting rod, and the outer end difference of two sections of lower links is rotatable
It connects on two back support rod, the inner end of two sections of lower links is rotatably connected respectively on the middle supporting rod.
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 supporting rod, in elastic reset portion
Under the active force of part, the card bead stretches out the middle supporting rod and is clamped first slide unit, 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 supporting rod.
The utility model also provides another technical solution：A kind of vehicle frame of children trolley, including：
Wheel stand gathering mechanism as described above；
- two push rods, the two left and right settings are simultaneously used to install push handle component, and the push handle component has unfolded state and folding
State is simultaneously equipped with the second locking member and the unlocking motion of driving second locking member being locked in unfolded state
Second solution lock set, the push handle component includes two handles of left and right settings, and F can mutually turn around the shaft for the inner end of two handle
Dynamic connection；
Side stay component is arranged between the front support rod, back support rod and push rod of the same side, the side stay
Component have unfolded state and folded state and equipped be locked in unfolded state third locking member and drive described the
The third solution lock set of the unlocking motion of three locking members；
The third solution lock set includes traction rope and shaft G, one end of the traction rope and the third locking member
The other end of mutually linkage, the traction rope is connected on the shaft G and the traction rope is received with the rotation of the shaft G
Line or unwrapping wire, the shaft G are rotatablely connected on the push rod, and the outer end of the handle is mutually linked with the shaft G,
The jackknife action of the push handle component drives the rotation take-up of the shaft G to act, and the expansion action of the push handle component drives
The rotation unwrapping wire of the shaft G acts；The 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 rotary joint A of wherein one handle, under the active force of elastic reseting part, the positioning gear ring with it is another
The rotary joint B circumferential direction 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 rotary joint B are detached from so that the rotary joint A, B are rotatably connected, the rotary joint A, B
In, one of which is the shaft F, and another one is axle sleeve.
In above-mentioned technical proposal, second locking member further includes position limiting structure, and the position limiting structure is radially displaceable
Be connected on the rotary 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 moves axially, the operating side of the position limiting structure is equipped with unlock
Knob.
In above-mentioned technical proposal, the traction rope is arranged in the cavity of the push rod.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
1）The wheel stand gathering mechanism of children trolley disclosed by the utility model, the jackknife action of rear cross member component pass through
The jackknife action of stull component before bottom supporting rod drives, rear cross member member collapses easily and fast, very convenient old man and Ms
It uses, and the vehicle frame volume smaller after folding；
2）The uplink action of the wheel stand gathering mechanism of children trolley disclosed by the utility model, draw bar drives first
The unlock of locking member, the folding of rear cross member component and the folding of preceding stull component, operation are very simple and convenient；
3）The vehicle frame of children trolley disclosed by the utility model, the jackknife action of push handle component drive the unlock of side stay component
Action, it is easy to operate time saving and energy saving.
Description of the drawings
Fig. 1 is the stereogram of the vehicle frame unfolded state of children trolley disclosed by the utility model.
Fig. 2 is the side view of the vehicle frame unfolded state of children trolley disclosed by the utility model.
Fig. 3 is the side view of the vehicle frame semi-collapsed condition of children trolley disclosed by the utility model.
Fig. 4 is the vertical view of preceding stull component unfolded state disclosed by the utility model.
Fig. 5 is the vertical view of preceding stull member collapses state disclosed by the utility model
Fig. 6 is the rearview of rear cross member component unfolded state disclosed by the utility model.
Fig. 7 is the side view of rear cross member component unfolded state disclosed by the utility model.
Fig. 8 is the rearview of rear cross member member collapses state disclosed by the utility model.
Fig. 9 is the side view of rear cross member member collapses state disclosed by the utility model.
Figure 10 is the vertical view of handle unfolded state disclosed by the utility model.
Figure 11 is the vertical view of handle folding process disclosed by the utility model.
Figure 12 is the structural schematic diagram of the second locking member locking state disclosed by the utility model.
Figure 13 is the structural schematic diagram of third locking member locking state disclosed by the utility model.
Figure 14 is the structural schematic diagram of third locking member unlocked state disclosed by the utility model.
Figure 15 is the stereogram of the vehicle frame unfolded state of children trolley disclosed by the utility model.
Figure 16 is the side view of the vehicle frame unfolded state of children trolley disclosed by the utility model.
Figure 17 is the side view of the vehicle frame semi-collapsed condition of children trolley disclosed by the utility model.
Wherein：100, front support rod；200, preceding stull component；210, support joint；220, first connecting rod；300, rear support
Bar；400, rear cross member component；410, second connecting rod；411, upper connecting rod；412, diagonal control arm；413, lower link；420, the first locking
Component；421, card bead；422, elastic reseting part；430, the first solution lock set；431, middle supporting rod；432, draw bar；433、
First slide unit；434, the first unblock button；435, briquetting；500, bottom supporting rod；600, push rod；700, push handle component；
710, the second locking member；711, gear ring is positioned；712, rotary joint A；713, elastic reseting part；714, rotary joint B；
715, position limiting structure；716, elastic reseting part；717, unlock knob；720, the second solution lock set；730, handle；800, side stay
Component；810, third locking member；811, hook；812, sliding block；813, elastic reseting part；820, third solution lock set；
821, traction rope；822, shaft G；831, the second slide unit；832, front rod；833, back link；834, side handrail.
Specific implementation mode
The utility model is further described in conjunction with accompanying drawings and embodiments：
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 settings simultaneously are used to install front component；
Preceding stull component 200 is set between two front support rods 100 and has unfolded state and folded state；
- two back support rods 300, the two left and right settings simultaneously are used to install wheel assembly；
Rear cross member component 400 is set between two back support rods 300 and has unfolded state and folded state；
Bottom supporting rod 500, front-end and back-end are set with preceding stull component 200 and the linkage of rear cross member component 400 respectively
It sets, the jackknife action of rear cross member component 400 drives the uplink action of 500 rear end of bottom supporting rod, the uplink of bottom supporting rod 500
The expansion action of the jackknife action of stull component 200 before action drives, rear cross member component 400 drives 500 rear end of bottom supporting rod
Downlink action, the expansion action of stull component 200 before the downlink action of bottom supporting rod 500 drives；
-- two push rods 600, the two left and right settings simultaneously are used to install push handle component 700；
Side stay component 800, be arranged in the same side front support rod 100, back support rod 300 and push rod 600 it
Between.
In above-mentioned technical proposal, the jackknife action of rear cross member component drives the folding of preceding stull component by bottom supporting rod
Action, easily and fast, very convenient old man and Ms use rear cross member member collapses, and the vehicle frame volume smaller after folding.
In a kind of embodiment, preceding stull component 200 includes first support bar, and first support bar includes the two of left and right settings
The outer end of two first connecting rods 220 of support joint 210 and left and right settings, two front support rods 100 and two support joints 210 is by turning
Axis A rotatable connections respectively, the inner end of two support joints 210 and the outer end of two first connecting rods 220 can be turned respectively by shaft B
The inner end of dynamic connection, two first connecting rods 220 is mutually rotatably connected by rotating shaft C, and shaft A extends in left-right direction, is turned
Axis B, C perpendicular to shaft A extending direction and perpendicular to the extending direction of bottom supporting rod 500；
Rear cross member component 400 includes second support bar, and second support bar includes two second connecting rods 410 of left and right settings, and two
Back support rod 300 is rotatably connect with the outer end of two second connecting rods 410 by rotating shaft D respectively, the inner end of two second connecting rods 410
It is mutually rotatably connected by shaft E, rotating shaft D, E is perpendicular to two back support rods, 300 place plane.
In a kind of embodiment, rear cross member component 400 is additionally provided with the first locking member 420 being locked in unfolded state
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 supporting rod
431 and draw bar 432, middle supporting rod 431 is arranged with the linkage of rear cross member component 400, and draw bar 432 is moveable along the vertical direction
It is connected on supporting rod 431 and links with the first locking member 420 and be arranged, the action of the uplink of draw bar 432 drives the successively
The uplink action of the unlocking motion and middle supporting rod 431 of one locking member 420, it is horizontal after the uplink action drive of middle supporting rod 431
The downlink of the jackknife action of support component 400, draw bar 432 acts downlink action and the first lock of supporting rod 431 in drive successively
Determine the lock out action of component 420, the downlink action of middle supporting rod 431 drives the expansion action of rear cross member component 400.
In a kind of embodiment, above-mentioned second support bar is set as three, including upper support bar, inclined support bar and lower branch
Strut, upper support bar include two sections of upper connecting rods 411 of left and right settings, and inclined support bar includes two sections of diagonal control arms 412 of left and right settings,
Lower support bar includes two sections of lower links 413 of left and right settings, and middle supporting rod 431 is equipped with one can be with respect to the first sliding of its sliding
Component 433, the first locking member 420 are set between middle supporting rod 431 and the first slide unit 433, two sections of upper connecting rods 411 it is outer
End is rotatable respectively to be connected on two back support rods 300, supporting rod in the rotatable connection of inner end difference 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 end of two sections of diagonal control arms 412
Respectively in rotatable connection on supporting rod 431, the outer end of two sections of lower links 413 rotatably connects two rear support respectively
On bar 300, in the rotatable connection of inner end difference of two sections of lower links 413 on supporting rod 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 unfolded state
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 supporting rod 431, in elastic reseting part
Under 422 active force, supporting rod 431 and the first slide unit 433 of clamping 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 supporting rod 431.
In a kind of embodiment, card bead 421 is connected on a spring leaf, and spring leaf is as elastic reseting part and equipped with oblique
Face structure.
In a kind of embodiment, the bottom of draw bar 432 is equipped with the first unblock button 434 for bearing upward external force.
In a kind of embodiment, the bottom of middle supporting rod 431 is additionally provided with the briquetting 435 for bearing downward external force.
In a kind of embodiment, push handle component 700 has unfolded state and folded state and equipped with being 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 of left and right settings, and F is mutually rotatably connected around the shaft for the inner end of two handles 730, side stay component
800 with unfolded state and folded state and equipped with the third locking member 810 and driving third being locked in unfolded state
The third solution lock set 820 of the unlocking motion of locking member 810, third solution lock set 820 include traction rope 821 and shaft
One end of G822, traction rope 821 are mutually linked with third locking member 810, and the other end of traction rope 821 is connected to shaft G822
With the rotation take-up of shaft G822 or unwrapping wire, shaft G822 is rotatablely connected on push rod 600, pushes away upper and traction rope 821
730 outer end is mutually linked with shaft G822, the jackknife action of push handle component 700 drives the rotation take-up of shaft G822 dynamic
Make, the expansion action of push handle component 700 drives the rotation unwrapping wire action of shaft G822；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 rotary joint A712 of wherein one push rod, under the active force of elastic reseting part 713, positioning gear ring 711 with
The rotary 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 is detached from rotary joint B714 so that rotary joint A, B712,714 are rotatably connected, and second solves lock set
720 include the second unblock button of the operating side for being set to positioning gear ring 711.
In a kind of embodiment, the second locking member 710 further includes position limiting structure 715, and position limiting structure 715 is radially displaceable
Be connected on rotary joint A712, under the active force of elastic reseting part 716, position limiting structure 715 be located 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 equipped with unlock and shakes hands for the axial movement track of gear ring 711
717。
In a kind of embodiment, traction 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
Bar 100 and the second slide unit 831, the both ends of back link 833 are rotatable respectively to connect push rod 600 and the second slide unit
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 on side handrail 834；
Third locking member 810 includes hook 811 and sliding block 812, and the upper end of hook 811 is rotatably coupled to rear support
On bar 300, about 812 sliding block is movably coupled on hook 811, under the active force of elastic reseting part 813, hook
811 lower end is connected with the clamping of the second slide unit 831, and under external force, sliding block 812 overcomes elastic reseting part 813
Active force coordinates with 831 inclined-plane of the second slide unit so that the lower end of hook 811 rotates to the direction far from back support rod 300 and releases
Put the second slide unit 831.
In a kind of embodiment, the second slide unit 831 is the sliding sleeve for being sheathed on 300 outside of back support rod, front support rod
100 outer sheath is equipped with preceding fixing sleeve, and the both ends of front rod 832 are rotatable respectively to connect sliding sleeve and preceding fixing sleeve, push rod 600
Outer sheath be equipped with rear fixing sleeve, the both ends of back link 833 rotatable connection sliding sleeve and rear fixing sleeve respectively.
It is the lateral gathering process using the children trolley of above-mentioned technical proposal below：
Give the first unblock button one upward power, draw bar 432 drives card bead 421 to overcome elastic reseting part 422
Restoring force is retracted into middle supporting rod 431（Principle based on inclined-plane cooperation）, 431 uplink of supporting rod in then driving, at this point, the
The relatively middle supporting rod 431 of one slide unit 433 glides, and realizes the jackknife action of rear cross member component 400, rear cross member component 400
Jackknife action drives the upstroke of bottom supporting rod 500, the upstroke of bottom supporting rod 500 to drive preceding stull component 200
Jackknife action.
It is the longitudinal folding process using the children trolley of above-mentioned technical proposal below：
It gives the second unblock button one downward power, handle 730 is pushed to fold, drive shaft G822 rotations, and then drive
831 take-up of traction rope, and then overcome the restoring force uplink of elastic reseting part 813 to be detached from the second slide unit with movable slider 812
831（Principle based on inclined-plane cooperation）, realize the unlock of side stay component 800, and then realize front support rod 100, back support rod 300
And the jackknife action of push rod 600.
Above-mentioned transverse direction gathering process can be carried out at the same time 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, 431 downlink of middle supporting rod, then card bead 431 is in the inclined-plane of draw bar 432 work
The restoring force of elastic reseting part 422 is overcome to be retracted into middle supporting rod 431 under（Principle based on inclined-plane cooperation）, at this point,
It is sliding on the relatively middle supporting rod 431 of first slide unit 433, realize the expansion action of rear cross member component 400, rear cross member component 400
Expansion action drive the downward movement of bottom supporting rod 500, stull component before the downward movement of bottom supporting rod 500 drives
200 expansion action.
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 opposite rear support of the second slide unit
300 uplink of bar, then, sliding block 812 overcome the elastic reset of elastic reseting part 813 under the action of the second slide unit 831
Active force enters in the card slot of the second slide unit 831（Principle based on inclined-plane cooperation）, push 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 is articulated with b points with side handrail 854, and the lower end of push rod 600 is also hinged with the upper end of back link 853
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, the front end of front rod 852 and front support rod with the lower end of back link 853
100 are articulated with f points, and upper end and the side handrail 854 of front support rod 100 are articulated with f points；
Abcd constitutes first four-bar linkage structure, and def constitutes second four-bar linkage structure, and two four-bar linkage structures mutually interconnect
It is dynamic；
Third locking member 810 includes sliding block 814, and sliding block 814 is removable to be connected on push rod 600, in elastic reseting part
Under 815 active force, sliding block 814 stretches out push rod 600 and is clamped push rod connector 851, and under external force, sliding block 814 overcomes
Within the active force retraction push rod 600 of elastic reseting part 815, sliding block is connect with traction rope 821.
It is the lateral gathering process using the children trolley of above-mentioned technical proposal below：
Give the first unblock button one upward power, draw bar 432 drives card bead 421 to overcome elastic reseting part 422
Restoring force is retracted into middle supporting rod 431（Principle based on inclined-plane cooperation）, 431 uplink of supporting rod in then driving, at this point, the
The relatively middle supporting rod 431 of one slide unit 433 glides, and realizes the jackknife action of rear cross member component 400, rear cross member component 400
Jackknife action drives the upstroke of bottom supporting rod 500, the upstroke of bottom supporting rod 500 to drive preceding stull component 200
Jackknife action.
It is the longitudinal folding process using the children trolley of above-mentioned technical proposal below：
It gives the second unblock button one downward power, handle 730 is pushed to fold, drive shaft G822 rotations, and then drive
831 take-up of traction rope, and then overcome the restoring force uplink of elastic reseting part 815 to be detached from push rod connector 851 with movable slider 814
（Principle based on inclined-plane cooperation）, realize the unlock 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 transverse direction gathering process can be carried out at the same time 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, 431 downlink of middle supporting rod, then card bead 431 is in the inclined-plane of draw bar 432 work
The restoring force of elastic reseting part 422 is overcome to be retracted into middle supporting rod 431 under（Principle based on inclined-plane cooperation）, at this point,
It is sliding on the relatively middle supporting rod 431 of first slide unit 433, realize the expansion action of rear cross member component 400, rear cross member component 400
Expansion action drive the downward movement of bottom supporting rod 500, stull component before the downward movement of bottom supporting rod 500 drives
200 expansion action.
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 opposite rear support of the second slide unit
300 uplink of bar, then, sliding block 814 overcome the elastic reset of elastic reseting part 815 to make under the action of push rod connector 851
Firmly enter in the card slot of push rod connector 851（Principle based on inclined-plane cooperation）, handle expansion is pushed, realizes the longitudinal direction of vehicle frame
Expansion.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of wheel stand gathering mechanism of children trolley, including：
- two front support rods（100）, the two left and right settings is simultaneously for installing front component；
Preceding stull component（200）, it is set to two front support rod（100）Between and have unfolded state and folded state；
- two back support rods（300）, the two left and right settings is simultaneously for installing wheel assembly；
Rear cross member component（400）, it is set to two back support rod（300）Between and have unfolded state and folded state；
It is characterized in that, the wheel stand gathering mechanism further includes bottom supporting rod（500）, the bottom supporting rod（500）
Front end and the preceding stull component（200）Linkage setting, the bottom supporting rod（500）Rear end and the rear cross member component
（400）Linkage setting, the rear cross member component（400）Jackknife action drive the bottom supporting rod（500）The uplink of rear end
Action, the bottom supporting rod（500）Uplink action drive the preceding stull component（200）Jackknife action, it is horizontal after described
Support component（400）Expansion action drive the bottom supporting rod（500）The downlink of rear end acts, the bottom supporting rod
（500）Downlink action drive the preceding stull component（200）Expansion action.
2. the wheel stand gathering mechanism of children trolley according to claim 1, which is characterized in that the preceding stull component
（200）Including first support bar, the first support bar includes two support joints of left and right settings（210）With the two of left and right settings
First connecting rod（220）, two front support rod（100）With two support joint（210）Outer end can be turned respectively by shaft A
Dynamic connection, two support joint（210）Inner end and two first connecting rod（220）Outer end respectively can by shaft B
The connection of rotation, two first connecting rod（220）Inner end mutually rotatably connected by rotating shaft C, the shaft A is along left and right
Direction extend, the shaft B, C perpendicular to the shaft A extending direction and perpendicular to the bottom supporting rod（500）Prolong
Stretch direction；
The rear cross member component（400）Including second support bar, the second support bar includes two second connecting rods of left and right settings
（410）, two back support rod（300）With two second connecting rod（410）Outer end rotatably connected respectively by rotating shaft D
It connects, two second connecting rod（410）Inner end mutually rotatably connected by 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, which is characterized in that the rear cross member component
（400）It is additionally provided with the first locking member being locked in unfolded state（420）With driving first locking member（420）'s
First solution lock set of unlocking motion（430）, the first solution lock set（430）Including middle supporting rod（431）And draw bar
（432）, the middle supporting rod（431）With the rear cross member component（400）Linkage setting, the draw bar（432）Vertically side
To being movably coupled to the middle supporting rod（431）It is upper and with first locking member（420）Linkage setting, the traction
Bar（432）Uplink action drive first locking member successively（420）Unlocking motion and the middle supporting rod（431）'s
Uplink acts, the middle supporting rod（431）Uplink action drive the rear cross member component（400）Jackknife action, it is described to lead
Draw bar（432）Downlink action drive the middle supporting rod successively（431）Downlink action and first locking member（420）
Lock out action, the middle supporting rod（431）Downlink action drive the rear cross member component（400）Expansion action.
4. the wheel stand gathering mechanism of children trolley according to claim 3, which is characterized in that the second support bar
It is set as three, including upper support bar, inclined support bar and lower support bar, the upper support bar includes on two sections of left and right settings
Connecting rod（411）, the inclined support bar includes two sections of diagonal control arms of left and right settings（412）, the lower support bar includes left and right settings
Two sections of lower links（413）, the middle supporting rod（431）Being equipped with one can be with respect to the first slide unit of its sliding（433）, institute
State the first locking member（420）Set on the middle supporting rod（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
Inner end rotatably connects the middle supporting rod 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）Inner end 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）Inner end rotatably connect the middle supporting rod respectively（431）On.
5. the wheel stand gathering mechanism of children trolley according to claim 4, which is characterized 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. the wheel stand gathering mechanism of any children trolley according to claim 4 or 5, which is characterized 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 supporting rod（431）On, in elastic reset portion
Part（422）Active force under, the card bead（421）Stretch out the middle supporting rod（431）And it is clamped first slide unit
（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 supporting rod（431）Within.
7. a kind of vehicle frame of children trolley, which is characterized in that including：
Wheel stand gathering mechanism as described in claim 1 to 6 is any；
- two push rods（600）, the two left and right settings is simultaneously for installing push handle component（700）, the push handle component（700）With exhibition
Open state and folded state are simultaneously equipped with the second locking member being locked in unfolded state（710）With driving second locking
Component（710）Unlocking motion second solution lock set（720）, the push handle component（700）Two handles including left and right settings
（730）, two handle（730）F is mutually rotatably connected around the shaft for inner end；
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 unfolded state and folded state and equipped be locked in unfolded state the
Three locking members（810）With the driving third locking member（810）Unlocking motion third solution lock set（820）；
The third solution lock set（820）Including traction rope（821）With shaft G（822）, the traction rope（821）One end with
The third locking member（810）Mutually linkage, the traction rope（821）The other end be connected to the shaft G（822）It is upper and
The traction rope（821）With the shaft G（822）Rotation take-up or unwrapping wire, the shaft G（822）Rotatable connection
In the push rod（600）On, the handle（730）Outer end and the shaft G（822）Mutually linkage, the push handle component
（700）Jackknife action drive the shaft G（822）Rotation take-up action, the push handle component（700）Expansion act band
Move the shaft G（822）Rotation unwrapping wire action；The shaft F, G are perpendicular to two push rod（600）Place plane.
8. the vehicle frame of children trolley according to claim 7, which is characterized 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
Connector A（712）On, in the first elastic reseting part（713）Active force under, the positioning gear ring（711）Described in another
Handle（730）Rotary joint B（714）Circumferential tooth is located by connecting, under external force, the positioning gear ring（711）Overcome
One elastic reseting part（713）Active force and the rotary joint B（714）It is detached from so that the rotary joint A, B（712,
714）Rotatable connection, the rotary joint A, B（712,714）In, one of which is the shaft F, and another one is axle sleeve.
9. the vehicle frame of children trolley according to claim 8, which is characterized 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 rotary joint A（712）On,
Two elastic reseting parts（716）Active force under, the position limiting structure（715）Positioned at the positioning gear ring（711）Axial move
On dynamic rail mark, under external force, the position limiting structure（715）Overcome second elastic reseting part（716）Active force
Avoid the positioning gear ring（711）Axial movement track so that the positioning gear ring（711）Axial movement, the position limiting structure
（715）Operating side be equipped with unlock shake hands（717）.
10. the vehicle frame of children trolley according to claim 7, which is characterized in that the traction rope（821）It is arranged in described
Push rod（600）Cavity in.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814675 | 2017-07-06 | ||
| CN2017208146759 | 2017-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207747928U true CN207747928U (en) | 2018-08-21 |
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ID=63145553
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721402693.2U Expired - Fee Related CN207747928U (en) | 2017-07-06 | 2017-10-27 | A kind of the wheel stand gathering mechanism and vehicle frame of children trolley |
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| Country | Link |
|---|---|
| CN (1) | CN207747928U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719449A (en) * | 2017-07-06 | 2018-02-23 | 昆山森夏儿童用品有限公司 | The wheel stand gathering mechanism and vehicle frame of a kind of children trolley |
| WO2021047102A1 (en) * | 2019-09-12 | 2021-03-18 | 金华市亚虎工具有限公司 | Three-in-one cart |
| CN113734262A (en) * | 2021-08-04 | 2021-12-03 | 好孩子儿童用品有限公司 | Children article |
-
2017
- 2017-10-27 CN CN201721402693.2U patent/CN207747928U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719449A (en) * | 2017-07-06 | 2018-02-23 | 昆山森夏儿童用品有限公司 | The wheel stand gathering mechanism and vehicle frame of a kind of children trolley |
| CN107719449B (en) * | 2017-07-06 | 2024-03-22 | 昆山森夏儿童用品有限公司 | Wheel support folding mechanism and frame of child cart |
| WO2021047102A1 (en) * | 2019-09-12 | 2021-03-18 | 金华市亚虎工具有限公司 | Three-in-one cart |
| CN113734262A (en) * | 2021-08-04 | 2021-12-03 | 好孩子儿童用品有限公司 | Children article |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180821 |