CN208544319U - Multi-direction linkage folding baby carrier vehicle frame - Google Patents

Abstract

The utility model belongs to perambulator technical field more particularly to multi-direction linkage folding baby carrier vehicle frame.Including lower vehicle frame and it is hinged on two of lower vehicle frame two sides upper front support rods, the lower vehicle frame includes two lower front support rods, two bottom bars, two groups of intersection linkage units, when the upper front support rod is around with linkage support component hinged place relative to lower front support rod rotation, upper front support rod is with the linkage support component and drives lower front support rod mobile to bottom bar direction, and the movement close to each other of two bottom bars folds frame for baby cart under the action of intersecting linkage unit；After it unlocks folding locking mechanism by the unlocking mechanism on upper front support rod, when upper front support rod is around with linkage support component hinged place relative to lower front support rod rotation, under the drive of linkage support component, lower front support rod can turn folding to bottom bar direction, and under the drive for intersecting linkage unit, the bottom bar of two sides relatively close can also move, and perambulator is made to realize that folding folds to multiple directions simultaneously.

Description

Multi-direction linkage folding baby carrier vehicle frame

[technical field]

The utility model belongs to perambulator technical field more particularly to multi-direction linkage folding baby carrier vehicle frame.

[background technique]

Perambulator is baby's " vehicles ", and someone is needed to assist to push or haul the car that can just walk.It is auxiliary man The long necessary vehicles for carrying baby and going into the street, taking a walk.With the development of perambulator, portable performance obtains the attention of parent.By Volume is larger when its expansion of perambulator, and the mode that foldable chassis is usually all arranged, which carries out it to fold, to be folded to be convenient for carrying fortune Defeated or storage.

But perambulator is receiving poststack on the market, though can be compared with expansion when reduce volume, but still not enough advised there are poststack is received Whole so that it cannot further reduce volume, the volume after leading to Pram folding is larger, influences the storage and transport of perambulator.

[summary of the invention]

To solve the problems, such as that volume is larger after prior art Pram folding, the utility model provides multi-direction linkage and folds Frame for baby cart.

The utility model is achieved through the following technical solutions:

Multi-direction linkage folding baby carrier vehicle frame including lower vehicle frame and is hinged on two of lower vehicle frame two sides upper front support rods, The lower vehicle frame include the lower front support rod that is hinged on the upper front support rod of two upper ends, two front ends be hinged on it is described it is lower before branch The bottom bar of bar lower end, two groups of one end are connected to the bottom bar and the other end and the hinged linkage support group in the upper front support rod lower end Part and the intersection linkage unit between two bottom bars, the upper front support rod is before opposite with linkage support component hinged place time When strut rotates, upper front support rod is with the linkage support component and drives lower front support rod mobile to bottom bar direction, and in crossbinding The movement close to each other of two bottom bars folds frame for baby cart under the action of dynamic component；

The upper front support rod and linkage support component hinged place are additionally provided with folding locking mechanism, the folding locking mechanism packet It includes and is connected to the first articulation piece of the linkage support component upper end, be connected to the upper front support rod lower end and can relatively described the Second articulation piece of one articulation piece rotation and between first articulation piece and the second articulation piece to limit described the The locking member that two articulation pieces are rotated relative to the first articulation piece, and the upper front support rod is equipped with to contact the locking member limitation Make front support rod can be relative to the unlocking mechanism of linkage support component rotation.

Multi-direction linkage folding baby carrier vehicle frame as described above is additionally provided on the upper front support rod and is sheathed in front support rod And can relatively upper front support rod sliding handrail, the unlocking mechanism include set on first articulation piece and the second articulation piece it Between and while rotating can make the unlock piece, the slide assemblies in the upper front support rod and one end connection of the locking member unlock The other end is connected to the first steel cable on the slide assemblies on the unlock piece, and the handrail is moved downwards along upper front support rod The slide assemblies are pressed after dynamic, move slide assemblies and the first steel cable is driven to pull the unlock piece, rotate unlock piece And unlock locking member.

Multi-direction linkage folding baby carrier vehicle frame as described above, the slide assemblies include be set to the upper front support rod it is interior and Positioned at lower end fixing seat and can fix relatively seat sliding sliding block, the fixing seat be equipped with extend to leading for the upper end To slot, one end of the sliding block is stretched in the guide groove, and reset is additionally provided between the lower end and guide groove of the sliding block One end of spring, first steel cable connects on the slide block, when the handrail is moved down along upper front support rod under handrail With after the upper-end contact of the sliding block, press sliding block moves in guide groove, and pulls first steel cable at end.

Multi-direction linkage folding baby carrier vehicle frame as described above is additionally provided with guide wheel in the guide groove, sets on the sliding block There is the notch for making way for the guide wheel, one end of first steel cable, which connect around the guide wheel with sliding block, makes sliding block drive first Its other end is moved up by guide wheel effect when one end of steel cable moves down.

Multi-direction linkage folding baby carrier vehicle frame as described above is additionally provided with solution lock-switch, the unlock in the handrail Switch include set on handrail lower end and be located in the upper front support rod with handrail mounting base, in the mounting base and can phase The pressing is connected to bayonet lock, the push switch set on the handrail upper end and one end of mounting base movement to shut fastly separately One end is connected to the second steel cable on the bayonet lock, and the upper front support rod is equipped with and is inserted into for the bayonet lock to described in limitation The handrail bayonet mobile relative to upper front support rod, the card for making the second steel cable pull other end connection by pressing the push switch Pin keeps bayonet lock mobile and is detached from the bayonet of upper front support rod, and handrail can be mobile relative to upper front support rod.

Multi-direction linkage folding baby carrier vehicle frame as described above, along the direction that the handrail moves on the upper front support rod Equipped with multiple bayonets.

Multi-direction linkage folding baby carrier vehicle frame as described above, first articulation piece are set with respect to one end of the second articulation piece There is the first cavity, second articulation piece is equipped with the second cavity, first cavity and second with respect to one end of the first articulation piece The internal perisporium of cavity is equipped with several tooth sockets, and the periphery of the locking member is equipped with several latches with the tooth socket fit.It is described It is interior to limit second articulation piece opposite first hingedly with the tooth socket of the second cavity that the latch of locking member is stuck in the first cavity Part rotation.

Multi-direction linkage folding baby carrier vehicle frame as described above, the unlock piece set on the locking member and the second cavity it Between, equipped with several ramp projections along the unlock piece rotation direction gradually convex, the unlock piece in second cavity The side of opposite second cavity is equipped with the bevel structure cooperated with the ramp projections, and one end of first steel cable is connected to Described in being driven under the mating reaction of ramp projections and bevel structure on the periphery of the unlock piece, when first steel cable rotates Locking member is mobile to the first cavity direction, to make the tooth socket of locking member the second cavity of disengaging.

Multi-direction linkage folding baby carrier vehicle frame as described above, the linkage support component includes that one end is hinged on bottom bar First connecting rod that the other end is connected on first articulation piece, the cunning that is set on the bottom bar and can be slided with respect to bottom bar Seat, one end are hinged on the other end on the first connecting rod and are hinged on the second connecting rod on the slide, the intersection linkage unit Including the lower cross link between two bottom bars and the upper cross link between front support rod on two, the lower intersection connects Bar includes that one end is hinged on a bottom bar front end, the other end is hinged on the first crossbar on the slide of another bottom bar, middle part and the One crossbar is hinged and the second crossbar with the first crossbar mirror settings, the upper cross link include that one end is hinged Third crossbar, middle part and third crossbar on the first connecting rod that bottom bar front end, the other end are hinged on the other side it is hinged and With the 4th crossbar of the third crossbar mirror settings, when the upper front support rod is relative to lower front support rod rotation, slide is the bottom of along Bar, which slides backward, makes hinged second connecting rod on it that first connecting rod be driven to rotate around with bottom bar hinged place to bottom bar direction, and under One end of cross link is slided with slide drives the relatively close movement of the bottom bar of two sides to make lower vehicle frame folding.

Multi-direction linkage folding baby carrier vehicle frame as described above, the handrail upper end is equipped with to be supported in the expansion of lower vehicle frame Support arm between the handrail of two sides, and the two sides of support arm can make two sides handrail relative to middle part rotation when lower vehicle frame folding Relatively close movement.

Compared with prior art, the utility model has the following advantages:

1, the utility model provides multi-direction linkage folding baby carrier vehicle frame, is made by the unlocking mechanism on upper front support rod After folding locking mechanism unlock, when upper front support rod is around with linkage support component hinged place relative to lower front support rod rotation, in linkage branch Under the drive of support component, lower front support rod can turn folding to bottom bar direction, and under the drive for intersecting linkage unit, the bottom of two sides Bar relatively close can also move, and so that perambulator is realized that folding folds to multiple directions simultaneously, be conducive to further reduce vehicle frame folding Volume afterwards, and folding all is linkage, is settled at one go, convenient for users to operation, and passes through linkage after vehicle frame expansion Support component and each section for intersecting linkage modular support vehicle frame improve stability so that the expansion rigidity of vehicle frame improves.

2, the multi-direction linkage folding baby carrier vehicle frame of the utility model, is additionally provided with support arm between the handrail of two sides, has Latter linked stability is unfolded conducive to this product is improved.

3, the multi-direction linkage folding baby carrier vehicle frame of the utility model, through simple structure setting, on upper front support rod Equipped with multiple bayonets, different bayonets is inserted into the position of adjustable handrail bar by bayonet lock, to realize the hand steered height of perambulator Adjusting, it is user-friendly.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the multi-direction linkage folding baby carrier vehicle frame of the utility model；

Fig. 2 is the folding process schematic diagram of the multi-direction linkage folding baby carrier vehicle frame of the utility model；

Fig. 3 is the folded structural schematic diagram of the multi-direction linkage folding baby carrier vehicle frame of the utility model；

Fig. 4 is the structural blast schematic diagram of the multi-direction linkage folding baby carrier vehicle frame of the utility model；

Fig. 5 is the Structure explosion diagram one of folding locking mechanism；

Fig. 6 is the Structure explosion diagram two of folding locking mechanism；

Fig. 7 is the Structure explosion diagram of unlocking mechanism；

Fig. 8 is the Structure explosion diagram for solving lock-switch；

Fig. 9 is the Section A-A figure of Fig. 1；

Figure 10 is the structural schematic diagram of lower vehicle frame.

[specific embodiment]

The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.

The utility model is achieved through the following technical solutions:

As shown in Figures 1 to 10, multi-direction linkage folding baby carrier vehicle frame, including lower vehicle frame and it is hinged on lower vehicle frame two sides Two upper front support rods 1, the lower vehicle frame includes that the lower front support rod 2, two that is hinged on the upper front support rod 1 of two upper ends is supported the front 3, two groups of one end of bottom bar that end is hinged on 2 lower end of lower front support rod are connected to the bottom bar 3 and the other end goes forward to prop up with described The hinged linkage support component 4 in 1 lower end of bar and the intersection linkage unit 5 between two bottom bars 3, the upper front support rod 1 around With linkage 4 hinged place of support component relative to when the lower rotation of front support rod 2, upper front support rod 1 is with the linkage support component 4 and under driving Front support rod 2 is mobile to 3 direction of bottom bar, and the movement close to each other of two bottom bar 3 makes frame for baby cart under the action of intersecting linkage unit 5 It folds；

The upper front support rod 1 is additionally provided with folding locking mechanism, the folding locking mechanism with linkage 4 hinged place of support component Including being connected to the first articulation piece 61 of linkage 4 upper end of support component, being connected to 2 lower end of upper front support rod and can be opposite The second articulation piece 62 that first articulation piece 61 rotates and between first articulation piece 61 and the second articulation piece 62 The locking member 63 rotated to limit second articulation piece 62 relative to the first articulation piece 61, and the upper front support rod 1 is equipped with Make upper front support rod 1 can be relative to the unlocking mechanism that linkage support component 4 rotates to contact the locking member 63 and limit.This is practical new Type provides multi-direction linkage folding baby carrier vehicle frame, unlocks folding locking mechanism by the unlocking mechanism on upper front support rod Afterwards, when upper front support rod is around with linkage support component hinged place relative to lower front support rod rotation, under the drive of linkage support component, under Front support rod can turn folding to bottom bar direction, and under the drive for intersecting linkage unit, the bottom bar of two sides relatively close can also be transported It is dynamic, so that perambulator is realized that folding folds to multiple directions simultaneously, is conducive to further reduce the volume after vehicle frame folding, and fold All it is linkage, settles at one go, convenient for users to operation, and by linkage support component and intersects linkage after vehicle frame expansion Each section of modular support vehicle frame improves stability so that the expansion rigidity of vehicle frame improves.Moreover, in the present solution, bottom bar Rear end is connected with rear-wheel, and the front end of bottom bar is connected with front-wheel.

Further, it is additionally provided with to be sheathed in front support rod 1 and front support rod 1 can be gone up relatively on the upper front support rod 1 and slide Handrail 11, the unlocking mechanism include be set to can make between first articulation piece 61 and the second articulation piece 62 and when rotating Unlock piece 71, the slide assemblies 72 in the upper front support rod 1 and one end that the locking member 63 unlocks are connected to described The other end is connected to the first steel cable 73 on the slide assemblies 72 on unlock piece 71, the handrail 11 along upper front support rod 1 to The slide assemblies 72 are pressed after lower movement, move slide assemblies and the first steel cable 73 is driven to pull the unlock piece 71, are made Unlock piece 71 rotates and unlocks locking member 63.Specifically, handrail 11, which is also corresponded to, is arranged two in two sides, with upper front support rod 1 turns folding together, and handrail 11 itself can above front support rod moves relatively, is adjusted and folds, and this product utilizes Handrail facilitates the operation for folding and folding as unlock.

Further, the slide assemblies 72 include the fixing seat in the upper front support rod 1 and positioned at lower end 721 and the sliding block 722 of the sliding of seat 721 can be fixed relatively, the fixing seat 721, which is equipped with, extends to the guide groove of the upper end, One end of the sliding block 722 stretches in the guide groove, and reset is additionally provided between the lower end and guide groove of the sliding block 722 Spring, one end of first steel cable 73 are connected on the sliding block 722, and the handrail 11 is helped when moving down along upper front support rod 1 After the upper-end contact of the lower end of hand lever 11 and the sliding block 722, press sliding block 722 moves in guide groove, and pulls described the One steel cable 73.By simple structure, quick release is realized when cooperating handrail mobile.Specifically, it is also set in the guide groove There is guide wheel 723, the sliding block 722 is equipped with the notch for making way for the guide wheel 723, and one end of first steel cable 73 bypasses institute State guide wheel 723 connect with sliding block 722 one end for making sliding block 722 drive the first steel cable 73 when moving down its other end pass through guide wheel Effect moves up.It is smooth to enable the first steel cable to act by guide wheel effect one；Two can make sliding block drive the first steel During rope one end moves down, the other end can be moved up, and pulled unlock piece rotation, realized deflecting.

Also further, solution lock-switch is additionally provided in the handrail 11, the solution lock-switch includes being set to handrail 11 Lower end and the mounting base 101 being located in the upper front support rod 1 with handrail 11 are set in mounting base 101 and can opposite mounting base Bayonet lock 102, the push switch 103 set on 11 upper end of handrail and one end of 101 movements are connected to the pressing quick closing valve The other end is connected to the second steel cable 104 on the bayonet lock 102 on 103, and the upper front support rod 1 is equipped with and supplies the bayonet lock 102 insertions are made to limit the handrail 11 bayonet mobile relative to upper front support rod 1 by pressing the push switch 103 Second steel cable 104 pulls the bayonet lock 102 of other end connection, keeps bayonet lock 102 mobile and is detached from the bayonet of upper front support rod 1, handrail 11 can be mobile relative to upper front support rod 11.By simple bayonet lock and push switch, the relatively upper front support rod of handrail can be limited Movement, and achieve the effect that locking, it can be locked after keeping vehicle frame expansion.Moreover, may also set up guide wheel in handrail for the Two steel cables 104 bypass, and the mode of similar first steel cable, such push switch, which is pressed inside in moving process, drives the second steel cable one End inwardly movement, the other end connect that bayonet lock is pulled to move with bayonet lock around guide wheel.

In addition, being equipped with multiple bayonets along the direction that the handrail 11 moves on the upper front support rod 1.Pass through card Pin card is in the adjusting of realization handrail on different bayonets, thus realize the adjusting of the hand steered height of perambulator, convenient for users to It uses.

Further, one end of opposite second articulation piece 62 of first articulation piece 61 is equipped with the first cavity 610, described One end of opposite first articulation piece 61 of second articulation piece 62 is equipped with the second cavity 620, first cavity 610 and the second cavity 620 internal perisporium is equipped with several tooth sockets, and the periphery of the locking member 63 is equipped with several latches with the tooth socket fit.It is described The tooth socket that the latch of locking member 63 is stuck in the first cavity 610 and the second cavity 620 is interior to limit 62 phase of the second articulation piece First articulation piece 61 is rotated.

Still further, the unlock piece 71 is set between the locking member 63 and the second cavity 620, second cavity Equipped with several ramp projections 621 along 71 rotation direction of unlock piece gradually convex in 620, the unlock piece 71 opposite the The side of two cavitys 620 is equipped with the bevel structure 711 cooperated with the ramp projections 621, one end of first steel cable 73 It is connected on the periphery of the unlock piece 71, matching in ramp projections 621 and bevel structure 711 when first steel cable 73 rotates Cooperation drives the locking member 63 to the movement of 610 direction of the first cavity with lower, so that locking member 63 be made to be detached from the second cavity 620 Tooth socket.And the spring that reset is arranged between locking member and the first cavity turns to after increasing reset spring in locking member Corresponding with the card slot of the first cavity 310, locking member is caught in automatically to the card slot of the first cavity under the action of reset spring, To realize locking.Moreover, can increase guide post in the first cavity, locking member is set on guide post, and moving it has guiding, Keep the stability of unlock.

In addition, the linkage support component 4, which is hinged on the other end on bottom bar 3 including one end, is connected to first articulation piece First connecting rod 41 on 61, the slide 42 that is set on the bottom bar 3 and can slide with respect to bottom bar 3, one end be hinged on described the The other end is hinged on the second connecting rod 43 on the slide 42 on one connecting rod 41, and the intersection linkage unit 5 includes being located at two bottoms Lower cross link between bar 3 and positioned at the upper cross link on two between front support rod 1, the lower cross link includes one end It is hinged on 3 front end of a bottom bar, the other end is hinged on the first crossbar 51 on the slide 42 of another bottom bar 3, middle part is handed over first Fork arm 51 is hinged and the second crossbar 52 with 51 mirror settings of the first crossbar, the upper cross link include one end hinge Connect third crossbar 53, middle part and third crossbar on the first connecting rod 41 that 3 front end of bottom bar, the other end are hinged on the other side 53 is hinged and the 4th crossbar 54 with 53 mirror settings of third crossbar, the upper front support rod 1 descend 2 turns of front support rod relatively When dynamic, slide 42 is slided backward along bottom bar 3 makes hinged second connecting rod 43 on it drive first connecting rod 41 around hinged with bottom bar 3 Place is rotated to bottom bar direction, and one end of lower cross link is slided with slide 42 and the relatively close movement of the bottom bar 3 of two sides is driven to make Lower vehicle frame folding.By simple structure setting, one to link when vehicle frame is folded, fold and be unfolded can a step arrive Position；Two can make bonding strength after vehicle frame expansion higher, guarantee its stability.

Moreover, 11 upper end of handrail is equipped with the support arm being supported between two sides handrail 11 in the expansion of lower vehicle frame 12, and the two sides of support arm can make the relatively close movement of two sides handrail 11 relative to middle part rotation when lower vehicle frame folding.Support arm It 12 include the left arm being connect with left armrests bar 11, the right arm that is connect with right armrest bar, and middle part is mutually hinged, is opening up in this way After driving frame, the handrail 11 of two sides can be supported.Be conducive to improve the latter linked stability of this product expansion.

The utility model provides multi-direction linkage folding baby carrier vehicle frame, makes to roll over by the unlocking mechanism on upper front support rod After folded retaining mechanism unlock, when upper front support rod is around with linkage support component hinged place relative to lower front support rod rotation, supported in linkage Under the drive of component, lower front support rod can turn folding to bottom bar direction, and under the drive for intersecting linkage unit, the bottom bar of two sides It relatively close can also move, so that perambulator is realized that folding folds to multiple directions simultaneously, be conducive to after further reducing vehicle frame folding Volume, and fold all be linkage, settle at one go, convenient for users to operation, and the vehicle frame expansion after by linkage branch Support component and each section for intersecting linkage modular support vehicle frame improve stability so that the expansion rigidity of vehicle frame improves.And this Scheme unlock is simple, and after so that bayonet lock is detached from the bayonet of upper front support rod by the push switch in handrail, handrail can be opposite Upper front support rod is mobile, after handrail is displaced downwardly to bottom, presses sliding block by handrail, it is made to pull the first steel cable So that unlock piece is driven the mobile unlock of locking member, upper front support rod can be turned folding in front support rod direction down.

It is the one or more embodiments provided in conjunction with particular content as described above, does not assert the tool of the utility model Body implementation is only limited to these instructions.It is all approximate with the method for the utility model, structure etc., identical or practical new for this It makes several technologies under type concept thereof to deduce, or replacement all should be considered as the protection scope of the utility model.

Claims (10)

1. multi-direction linkage folding baby carrier vehicle frame, including lower vehicle frame and two upper front support rod (1) of lower vehicle frame two sides are hinged on, It is characterized in that, the lower vehicle frame include two upper ends be hinged on the upper front support rod (1) lower front support rod (2), two support the front End be hinged on the bottom bar (3) of lower front support rod (2) lower end, two groups of one end are connected to the bottom bar (3) and the other end with it is described The hinged linkage support component (4) in upper front support rod (1) lower end and the intersection linkage unit (5) being set between two bottom bars (3), institute When stating front support rod (1) around with linkage support component (4) hinged place relative to lower front support rod (2) rotation, upper front support rod (1) is with described It links support component (4) and drives lower front support rod (2) mobile to bottom bar (3) direction, and under the action of intersecting linkage unit (5) Two bottom bars (3) movement close to each other folds frame for baby cart；

The upper front support rod (1) and linkage support component (4) hinged place are additionally provided with folding locking mechanism, the folding locking mechanism Including be connected to it is described linkage support component (4) upper end the first articulation piece (61), be connected to upper front support rod (2) lower end and Relative to the second articulation piece (62) that first articulation piece (61) rotates and first articulation piece (61) and second can be located at The locking member (63) rotated to limit second articulation piece (62) relative to the first articulation piece (61) between articulation piece (62), and The upper front support rod (1) is equipped with makes upper front support rod (1) can opposite linkage support group to contact the locking member (63) limitation The unlocking mechanism of part (4) rotation.

2. multi-direction linkage folding baby carrier vehicle frame according to claim 1, which is characterized in that on the upper front support rod (1) It is additionally provided with the handrail (11) for being sheathed in front support rod (1) and front support rod (1) sliding being gone up relatively, the unlocking mechanism includes The solution that between first articulation piece (61) and the second articulation piece (62) and when rotating locking member (63) can unlock Latch fitting (71), the slide assemblies (72) being set in the upper front support rod (1) and one end are connected on the unlock piece (71) separately One end is connected to the first steel cable (73) on the slide assemblies (72), and the handrail (11) is along upper front support rod (1) to moving down The slide assemblies (72) are pressed after dynamic, move slide assemblies and the first steel cable (73) is driven to pull the unlock piece (71), It rotates unlock piece (71) and unlocks locking member (63).

3. multi-direction linkage folding baby carrier vehicle frame according to claim 2, which is characterized in that slide assemblies (72) packet It includes and is set in the upper front support rod (1) and is located at the fixing seat (721) of lower end and the cunning of seat (721) sliding can be fixed relatively Block (722), the fixing seat (721) are equipped with the guide groove for extending to the upper end, and one end of the sliding block (722) stretches to institute It states in guide groove, and is additionally provided with reset spring between the lower end and guide groove of the sliding block (722), first steel cable (73) One end is connected on the sliding block (722), when the handrail (11) moves down along upper front support rod (1) lower end of handrail (11) with After the upper-end contact of the sliding block (722), press sliding block (722) moves in guide groove, and pulls first steel cable (73).

4. multi-direction linkage folding baby carrier vehicle frame according to claim 3, which is characterized in that be additionally provided in the guide groove Guide wheel (723), the sliding block (722) are equipped with the notch for making way for the guide wheel (723), one end of first steel cable (73) When one end that connecting around the guide wheel (723) with sliding block (722) makes sliding block (722) to drive the first steel cable (73) moves down its The other end is moved up by guide wheel effect.

5. multi-direction linkage folding baby carrier vehicle frame according to claim 2, which is characterized in that on the handrail (11) also Equipped with solution lock-switch, the solution lock-switch includes set on handrail (11) lower end and being located at the upper front support rod with handrail (11) (1) mounting base (101) in, be set on mounting base (101) and can opposite mounting base (101) movement bayonet lock (102), set on institute The push switch (103) and one end for stating handrail (11) upper end are connected to the other end on the push switch (103) and are connected to The second steel cable (104) on the bayonet lock (102), and the upper front support rod (1) be equipped with for the bayonet lock (102) insertion to The handrail (11) bayonet mobile relative to upper front support rod (1) is limited, makes the second steel by pressing the push switch (103) The bayonet lock (102) that (104) pulling other end of restricting connects, keeps bayonet lock (102) mobile and is detached from the bayonet of upper front support rod (1), handrail Bar (11) can be mobile relative to upper front support rod (11).

6. multi-direction linkage folding baby carrier vehicle frame according to claim 5, which is characterized in that on the upper front support rod (1) The direction mobile along the handrail (11) is equipped with multiple bayonets.

7. multi-direction linkage folding baby carrier vehicle frame according to claim 2, which is characterized in that first articulation piece (61) The one end of opposite second articulation piece (62) is equipped with the first cavity (610), and second articulation piece (62) is with respect to the first articulation piece (61) one end be equipped with the second cavity (620), first cavity (610) and the second cavity (620) if internal perisporium equipped with Dry tooth socket, the periphery of the locking member (63) are equipped with several latches with the tooth socket fit, the latch of the locking member (63) It is stuck in the tooth socket of the first cavity (610) and the second cavity (620) to limit opposite first hinge of second articulation piece (62) Fitting (61) rotation.

8. multi-direction linkage folding baby carrier vehicle frame according to claim 7, which is characterized in that the unlock piece (71) is set to It is equipped between the locking member (63) and the second cavity (620), in second cavity (620) several along the unlock piece (71) The ramp projections (621) of rotation direction gradually convex, the unlock piece (71) are equipped with respect to the side of the second cavity (620) With the bevel structure (711) of the ramp projections (621) cooperation, one end of first steel cable (73) is connected to the unlock piece (71) on periphery, when first steel cable (73) rotates under the mating reaction of ramp projections (621) and bevel structure (711) It is mobile to the first cavity (610) direction to drive the locking member (63), so that locking member (63) be made to be detached from the second cavity (620) Tooth socket.

9. multi-direction linkage folding baby carrier vehicle frame according to claim 1, which is characterized in that the linkage support component It (4) include that one end is hinged on the first connecting rod (41) that the other end on bottom bar (3) is connected on first articulation piece (61), is arranged It can be hinged on the bottom bar (3) and with respect to the slide (42) of bottom bar (3) sliding, one end another on the first connecting rod (41) The second connecting rod (43) being hinged on the slide (42) is held, the intersection linkage unit (5) includes between two bottom bars (3) Lower cross link and be located at upper cross link on two between front support rod (1), the lower cross link includes that one end is hinged The first crossbar (51), middle part on the slide (42) that a bottom bar (3) front end, the other end are hinged on another bottom bar (3) and the One crossbar (51) is hinged and the second crossbar (52) with the first crossbar (51) mirror settings, the upper cross link Be hinged on bottom bar (3) front end including one end, the other end is hinged on third crossbar (53) on the first connecting rod (41) of the other side, Middle part and third crossbar (53) are hinged and the 4th crossbar (54) with third crossbar (53) mirror settings, it is described on When front support rod (1) rotates relative to lower front support rod (2), slide (42) is slided backward along bottom bar (3) connects hinged second on it Bar (43) drives first connecting rod (41) to rotate around with bottom bar (3) hinged place to bottom bar direction, and one end of lower cross link is with cunning Seat (42) sliding drives the relatively close movement of the bottom bar (3) of two sides to make lower vehicle frame folding.

10. multi-direction linkage folding baby carrier vehicle frame according to claim 2, which is characterized in that on the handrail (11) End is equipped with the support arm (12) being supported between two sides handrail (11) in the expansion of lower vehicle frame, and support arm when lower vehicle frame folding Two sides can relative to middle part rotate make two sides handrail (11) relatively close movement.