CN105270530A - Foldable baby carriage - Google Patents

Abstract

The invention discloses a foldable baby carriage. The foldable baby carriage has three structural manners that the baby carriage is expanded to be longest for riding, is in a semi-length pushing state and is in a totally-folded storage state. The foldable baby carriage comprises a lateral foldable front triangular baby carriage frame which is provided with a front wheel and can be connected to three cross shafts in a pivoted manner to be longitudinally folded, and a rear frame provided with a rear wheel which is adjustable in the longitudinal direction. The front frame is provided with a riding handlebar and is further provided with a riding base. At least one of the front wheel at the front end and the rear wheel at the rear end is composed of a left wheel body and a right wheel body. The rear wheel is provided with a driving device and is further provided with a locking structure locking the rear wheel in the unfolded state. The whole baby carriage is provided with at least one shock avoiding device and at least one sliding structure where a slide rod and a slide cavity are matched. The baby carriage is characterized in that the front frame and the rear frame are connected through two vertical rods; the front vertical rod forms a vertical side of the front triangle and is connected with a front inclined side and a front lower side through the transverse shafts in a pivoted mode respectively; and one of connection between the front triangle and the front vertical rod, connection between the rear frame and the rear vertical rod, and connection between the two vertical rods is rotatable vertical shaft pivoted connection, and a steering structure is formed. The three functions of riding, pushing and storage are integrated.

Description

A kind of folding baby carrier

Technical field:

The present invention relates to a kind of folding baby carrier, the folding baby carrier that especially a kind of pushing riding is dual-purpose.

Background technology:

More existing folding baby carriers are used for greatly implementation and stroll, and carry out in half an hour, and its walking radius of leaving home generally is no more than 1 kilometer range, if ridden, although greatly can increase radius of leaving home, car load family collection volume is too large, not too meets the present situation of city apartment and flats limited area.

The present invention attempt to meet simultaneously carry out at a slow speed, ride fast, the folding baby carrier of folding storage three objects.

Summary of the invention:

The present invention discloses a kind of folding baby carrier, have and ride state to half long state of carrying out to complete folding storage state three kinds of versions from the longest expansion, comprise the side-looking longitudinal folding around three transverse axis pivot joints first three dihedral baby carriage frame collapsible with front-wheel and the Rear frame two parts with longitudinally adjustable trailing wheel, front vehicle frame is ridden handle, ride seat in addition, the trailing wheel of the front-wheel and rear end that are positioned at front end has one at least for left and right two-wheeled, trailing wheel has actuating device, lock it in the latch-up structure of deployed condition in addition, the slide construction that car load has at least one pair of shock absorbing apparatus and at least one pair of slide bar/cunning chamber to coordinate, it is characterized in that: front, Rear frame is connected by two vertical bar, front vertical bar forms the vertical edge of first three dihedral, with front hypotenuse, front all transverse axis pivot joints below, first three dihedral and front vertical bar, Rear frame and rear vertical bar, one of three kinds of connections between two vertical bar are that rotatable vertical pivot pivot joint forms steering structure.The folded bicycle of this spline structure is adopted to solve three problems, provide the structure of riding fast of complete deployed condition, also provide half length that rear wheel longitudinally regulates, front truck launches and stroll implementation structure, utilize the full folding storage state of steering structure in addition, there is the conversion alerting ability of height.

Main purpose of the present invention is three refoldings of adaptation three kinds of occupation modes, and secondary objective is the impact that trailing wheel reduces on front truck attitude when longitudinally regulating as far as possible, and the attitude such as height, inclination angle when keeping front truck to carry out at a slow speed is basicly stable.

In this specification sheets, longitudinally refer to the horizontal direction of parallel paper, be working direction from right to left, transverse axis refers to vertical paper direction, handle of riding is exactly the X direction of vertical paper, in general baby carriage frame has the baby holding the virgin position of baby virgin blue, baby child is blue or be placed on front hypotenuse, or be placed in the frame of front hypotenuse formation, certain the present invention also can be used as the main framing of vehicle for disabled person, the present invention is it is emphasised that the leg-of-mutton force structure of side-looking transverse axis pivot joint, actual leg-of-mutton limit can be straight rod member, arc-shaped rod, S type rod member even L-type rod member, and the hypotenuse of triangle, following front view then can be the U-shaped frame member of only rod member or enclosing square frame member or a side opening, as long as be namely form the said foldable triangle of the present invention by three transverse axis pivot joints between them, shock absorbing apparatus is generally spiral or air pressure or hydraulic spring grease cup, be arranged in bottom to bear or other pressure-bearing positions.

Accompanying drawing illustrates:

Fig. 1 is that the present invention launches to travel view.

Fig. 2 is the some folding mode schematic diagrams of the present invention.

Fig. 3 is the present invention's some expansion latch-up structures schematic diagram

Fig. 4 is the some cross axial base schematic diagrams of the present invention

Fig. 5 is that the present invention locks clamping ring schematic diagram.

Fig. 6 is an embodiment of the present invention schematic diagram.

1-front-wheel, 2-trailing wheel, 3-safety wheel, hypotenuse before 4-, before 5-below, hypotenuse after 6-, after 7-below, vertical bar before 8, vertical bar after 9-, 10-is sliding chamber longitudinally, 11-cross axial base, and 12-embeds breach, 13-locks clamping ring, 14-folding rod, and 15-straight-bar keeps latch-up structure, and 16-vertically keeps latch-up structure, 17-folding handles, 18-baby is virgin blue, 19-strut bar, 20-axis hole, the round and smooth chamber of 21-, the non-round and smooth chamber of 22-.

Pivot on first three dihedral of E-, pivot under first three dihedral of F-, pivot before first three dihedral of G-, the head lamp brush guard pivot of L-Vee formation shape, pivot under M-Vee formation shape, pivot after N-Vee formation shape, H-front-wheel load axle, J-hind axle, P-retreads edge contraction transverse axis.

Detailed description of the invention:

Below in conjunction with accompanying drawing, 1 ~ 5 couple of the present invention is described in more detail, a kind of folding baby carrier, have and ride state to half long state of carrying out to complete folding storage state three kinds of versions from the longest expansion, comprise have front-wheel 1 around three transverse axis E, F, the side-looking that G pivot joint folds first three dihedral Δ collapsible EFG baby carriage frame and the Rear frame two parts with adjustable trailing wheel 2, front vehicle frame is ridden handle, ride seat in addition, the trailing wheel 2 of the front-wheel 1 and rear end that are positioned at front end has one at least for left and right two-wheeled, trailing wheel 2 has actuating device, lock it in the latch-up structure of deployed condition in addition, the slide construction that car load has at least one pair of shock absorbing apparatus and at least one pair of slide bar/cunning chamber to coordinate, its improvement is: front, Rear frame is by two vertical bar 8, 9 connect, front vertical bar 8 forms the vertical edge of first three dihedral Δ EFG, with front hypotenuse 4, front following 5 equal transverse axis E, F pivot joint, first three dihedral Δ EFG and front vertical bar 8, Rear frame and rear vertical bar 9, two vertical bar 8, one of three kinds of connections between 9 are that rotatable vertical pivot pivot joint forms steering structure.Adopt the folded bicycle of this spline structure to solve three problems, provide the structure of riding fast of complete deployed condition, also provide the half long implementation structure that rear car folds, front truck launches, also have full folding storage structure, there is the conversion alerting ability of height.

Can also do so preferential improvement: pivot G before first three dihedral Δ EFG described in front-wheel 1 is connected to, it is right-angled triangle that described first three dihedral Δ EFG launches lock-out state.As the G point in Fig. 1 is mobile to H point, change H, the G shown in Fig. 2 B into unite two into one, < EFG is right angle, and such improvement makes the optimization of front truck force structure, and before under right angle context, following 5 add the spring shock-absorbing effect that namely shock-proof spring has the best again.

So preferential improvement can also be done: described Rear frame longitudinally forms slide bar/cunning chamber stretching structure between sliding chamber by fixing bottom longitudinal slide bar and vertical bar.As shown in Figure 2 A, in general longitudinally sliding chamber 10 is good with rectangular cross section structure, only slide and do not rotate, that in the present invention, trailing wheel 2 regulates structure the most efficiently, such improvement makes on the way can be quick, half long implementation length is shortened to easily from normal length of riding, and Renewal process does not affect the height of front truck at all, obliquity and attitude, the sliding chamber 10 of the longitudinal direction that it is fixedly connected with only can be connected to the short sliding chamber of rear vertical bar lower end meaning, also the long sliding chamber of the lower end meaning of vertical bar before and after can being connected to, certain long sliding chamber must to be necessary for premised on turntable between front truck and front vertical bar, regulate in folding process at trailing wheel, keep the angle that front truck is carried out at a slow speed, the state parameters such as inclination angle are constant, it is one of secondary objective of the present invention.

So preferential improvement can also be done: described two vertical bar 8,9 is parallel construction.Such improvement is conducive to the alerting ability turned to, and rotate at arbitrary vertical bar 8,9 and all have identical effect, structure needs that can be different according to front and back car, are arranged on steering structure on arbitrary vertical bar.

So preferential improvement can also be done: Rear frame forms side-looking collapsible Vee formation shape Δ LMN Rear frame around three transverse axis pivot joints by rear hypotenuse 6, rear following 7 with the pivot joint of rear vertical bar 9 transverse axis.Such structure is one of best mode of the present invention, former and later two triangle Δ EFG and Δ LMN constitute the large triangular truss force structure of complete car load, in general, after such structure Δ LMN pivot N can not regioselective at rear axis, but regioselective is in the place had with a certain distance from rear axis, if pedal crank chain wheel drive pattern, be then often positioned at position, last of sprocket wheel axle center slightly, as shown in Figure 1.

Can also do so preferential improvement: a bar merged into by described two vertical bar 8,9, described first three dihedral Δ EFG, Vee formation shape Δ LMN Rear frame one of to be connected with two kinds between described vertical bar and to form steering structure for rotatable vertical pivot pivot joint.This is the further optimization of large triangular truss structure.

Can also do so preferential improvement: described two vertical bar 8,9 is fixedly connected with, front vertical bar 8 and first three dihedral Δ EFG, one of connection of rear vertical bar 9 and Vee formation shape Δ LMN is that rotatable vertical pivot pivot joint forms steering structure.As shown in Figure 1, respectively round front and back, vertical bar folds separately former and later two triangles like this, is independent of each other, and substantially increases the Joint strenght at two vertical bar place simultaneously.

So preferential improvement can also be done: below described vertical bar 8,9 position, there is safety wheel 3.As shown in Figure 1, because vertical bar place exists steering structure, therefore exist and turn to unstability risk, what install that safety wheel 3 is conducive to avoiding turning to unstability to cause additional falls down, in general, in order to prevent front and back three-wheel 1, 2, 3 land and turning to of causing is ineffective simultaneously, safety wheel 3 generally slightly leave ground one gap delta namely with front and back wheel 1, 2 touchdown point lines are not on three one straight lines, only to ride the safety supports effect that just to have landed when turning to unstability, if safety wheel slightly exceeds front and back wheel touchdown point line certainly, because cyclist's Action of Gravity Field causes front-wheel 1 to be forced to stick up overhead when then riding, trailing wheel 2 and safety wheel 3 still two skates land, still can reach and turn to object flexibly.

So preferential improvement can also be done: be that quick detach load connects between described vertical bar 8,9, described safety wheel 3 is positioned on front truck.Fast disassembly and assembly structure like this reaches the adjustable object of trailing wheel equally, adjustable trailing wheel 2 is instead of with safety wheel 3 when carrying out at a slow speed, folding or flexible more even better than simple rear car, significantly reduce the perambulator weight in implementation process at a slow speed, improve users'comfort.

So preferential improvement can also be done: described safety wheel 3 wheel fork socket front truck vertical bar 8 lower end forms cardan wheel, described front-wheel 1 is two, left and right, be arranged on the two ends of a front-wheel load axle H, described front-wheel load axle H is pivot G before first three dihedral Δ EFG simultaneously.Such structure is one of optimum structure mode of the present invention, and universal safety wheel plays falling-resistant effect completely when riding turning unstability, has good alerting ability when carrying out at a slow speed simultaneously.Notice that front-wheel load axle can be the transverse axis be connected with front-wheel wheel fork, also directly can connect the center-wheel arbor at front-wheel center.

Can also do so preferential improvement: described rear vertical bar 9 bottom has another safety wheel, between this vertical bar 9 and Rear frame hypotenuse 6, following 7, cross axial base pivot joint is rotatable, and upper end has additional grip.This is one of optimum structure of the present invention, and be equivalent to a complete bicycle in rear portion and front portion complete baby perambulator and combined by front vertical bar and quick disassembled dress is separated, when car load is ridden, two skates land, and time separately, front and back car remains two skates and lands.

So preferential improvement can also be done: described vertical bar with front-rear triangular shape Δ EFG, being connected of Δ LMN being cross axial base 11 pivot joint and can vertically sliding by bar, vertical bar bottom has safety wheel 3, and the transverse axis pivot points of Vee formation shape Δ LMN and vertical bar is that quick detach load connects.This provide another and lay down Rear frame and perambulator weight-saving mode, and because cross axial base 11 can normalisation, therefore greatly can improve the commonality of part, reduce manufacturing cost, reduce maintenance cost.The so-called cross axial base that will illustrate especially, refer to the axle construction of action simultaneously in two mutual vertical dimensions, wherein at least one axis hole plays turning cylinder and act as circular shaft hole 20, as Fig. 4 A, shown in Fig. 5, another axis hole only may play the slip effect of sliding chamber/slide bar, it is then not rounded axis hole 22, as Fig. 4 B, shown in 4C, if also will play rotary action simultaneously, then be necessary for garden axis hole 21, as shown in Figure 5, between the present invention two bar, the combinative movement of cross axial base has rotation/slip combination, rotation/rotational combines, rotate/(rotate+slide) combination three kinds, on same cross axial base, one of them dimension can also there be parallel two axis holes or two sliding chambeies as shown in Figure 4 C, to be suitable for two slide bars or two pivot design, in addition in order to coordinate latch-up structure, its axis hole itself can have breach 12, to lay locking clamping ring 13, as Fig. 4 A, shown in Fig. 5.

So preferential improvement can also be done: described first three dihedral Δ EFG mode that vertical bar 8 was flexible in the past folds, and hypotenuse 4, following 5 length are constant, and forward pivot point G is positioned in the middle part of hypotenuse 4, and described front-wheel 1 is positioned at hypotenuse 4 front end.Strictly say, this stretching structure is the cross axial base in a long sliding chamber, there is the rotation of a transverse dimensions and the slip of another vertical dimension, extend because vertical bar 8 has slide bar/cunning chamber, during such structure folding storage, trailing wheel 3 has the comfort feature around the complete rotational translation of vertical bar, as shown in Figure 6.

So preferential improvement can also be done: have a folding rod 14 between the lower pivot F of front-wheel load axle H and first three dihedral Δ EFG, deployed condition becomes the base of right-angled triangle Δ EFH.As shown in Figure 6, the structural strength that front baby carriage frame person launches attitude is added.

So preferential improvement can also be done: in cross axial base mode between described first three dihedral Δ EFG following 5 and vertical bar 8, with wherein for slide bar with a wherein hole for carrying out sliding folding in cunning chamber.Can along vertical bar 8 upward sliding, also can along front following 5 forward slip, such foldable structure is most convenient.

So preferential improvement can also be done: described first three dihedral Δ EFG following 5 is shorter than vertical edge, is that cross axial base connects with the connection of hypotenuse 4, hypotenuse 4 upward sliding can be prolonged and fold.Sliding folding structure is not arranged on vertical bar 8, and such structure makes the working accuracy of vertical bar 8, difficulty reduces.

Can also do so preferential improvement: described first three dihedral Δ EFG hypotenuse 4 can arch upward folding downwards, its section header has straight-bar and keeps latch-up structure 15.As shown in Figure 2 B, in general there is the structure of multiple maintenance straight-bar lock-out state, it is the most simply the slip expansion structure with transverse axis pivot joint, sleeve there is transverse axis, loop bar has long lumbar hole, pull open and can fold around axle, insert and namely lock, conversely loop bar there is snag axis, sleeve has long lumbar hole also reach effect same, as shown in Figure 3A.

So preferential improvement can also be done: described first three dihedral Δ EFG hypotenuse 4 can arch upward folding downwards, and under first three dihedral Δ EFG, pivot F has side retinal rod 19 cross axial base connection locking structure to be supported in hypotenuse 4, can prolong hypotenuse 4 and slide when folding nearby.As shown in Figure 2 B, such connection blocking device has multiple pattern, locks it in deployed condition than locking clamping ring 13 as shown in Figure 5; It can also be the vertical self-locking device 16 optimized further, side-looking bar 19 is the built-in spring in major axis hole with the connection of cross axial base, as shown in Figure 3 B, side-looking bar 19 is arc edge towards the termination of hypotenuse 4, as long as pull-up rotates, certain angle just keeps vertically state or sliding folding trend automatically.

So preferential improvement can also be done: it is right-angled triangle that described Vee formation shape Δ LMN launches lock-out state.Namely < LMN is right angle, and this is one of rear car force structure optimised form.Generally speaking, car load base is formed from front-wheel load axle H to hind axle J span, forward and backward car is right-angled triangle and is connected to become car load when forming a large triangular truss, if especially front-wheel load axle H overlaps with pivot G before first three dihedral, then the following of forward and backward triangle all bears, car load has best force structure, is also preferred embodiment, as shown in Fig. 1, Fig. 6.

So preferential improvement can also be done: first three dihedral hypotenuse 4 described is frame-type structure.The baby that such structure makes virgin blue 18 can bring in frame-type structure, and can reduce the overall center of gravity of perambulator, promote operation stability, the upper edge of frame-type structure is directly as riding handle simultaneously, eliminates the making of handle of riding specially.

So preferential improvement can also be done: first three dihedral hypotenuse 4 described is only bar structure.Such structure makes three transverse axis of first three dihedral Δ EFG and three limits can on same perambulator centre plane, not only reduce car load manufacture difficulty, decrease quality of materials, and substantially increase the overall construction intensity of first three dihedral Δ EFG, now ride handle and hypotenuse forms T font structure, if front-wheel about 1 is uniform, then T and front-wheel load axle form I shape, and T font and I-shaped structure part can integral die-cast or forging formings, for the alloy in lightweight of identical material, can lift structure intensity and production efficiency greatly.

Can also do so preferential improvement: in cross axial base mode between described Vee formation shape Δ LMN following 7 and vertical bar 9, vertically bar upwards folds to slide chamber/slide bar mode.Namely the M in Fig. 1 axially moves, and this is the simplest folding mode of rear car.

Can also do so preferential improvement: in cross axial base mode between described Vee formation shape Δ LMN hypotenuse 6 and vertical bar 9, vertically bar 9 upwards folds to slide chamber/slide bar mode.Namely the L in Fig. 1 axially moves, such structure can make the longitudinal control process height of trailing wheel constant, the attitude then strolling front truck inclination angle during implementation is constant, longitudinally regulate in folding process at trailing wheel, the state parameter such as angle, inclination angle keeping front truck to carry out at a slow speed is constant, is one of secondary objective of the present invention.

So preferential improvement can also be done: described Vee formation shape Δ LMN hypotenuse 6 also has the unidirectional arch foldable structure of transverse axis P pivot joint, form double leval jib fold mechanism.Namely the N axle in Fig. 1, P axially arch upward, and such folding process trailing wheel height is constant, then when carrying out, the attitude of front truck is constant.

So preferential improvement can also be done: described latch-up structure is the degree of tightness clamping ring clasping slide bar, embed or be close to described cross axial base cunning chamber by its locking of slide bar.Clamping ring 13 is consistent with the profile of slide bar is circular or non-circular, and the cross axial base of circular slipping ring and slide bar still can relatively rotate, and the slide bar that non-circular clamping ring is corresponding/cunning chamber is then not rotatable, and this is the simplest latch-up structure, as shown in Figure 5.

So preferential improvement can also be done: described in handle of riding there is flexible or folding handles 17, launch to extend and be used as to carry out handle.Be so conveniently push away, to ride two kinds of modes simultaneously comfortable, not skirt during implementation, as shown in Figure 1.

Above-mentioned detailed description be for one of the present invention preferably preferred embodiment illustrate, only this embodiment be not used to the application range limiting patent of the present invention, under all other does not depart from disclosed technical pattern, the equalization change that completes is changed with modifying, and all should be contained in the scope of the claims that the present invention contains.

Claims (26)

1. a folding baby carrier, have and ride state to half long state of carrying out to complete folding storage state three kinds of versions from the longest expansion, comprise the side-looking longitudinal folding around three transverse axis pivot joints first three dihedral baby carriage frame collapsible with front-wheel and the Rear frame two parts with longitudinally adjustable trailing wheel, front vehicle frame is ridden handle, ride seat in addition, the trailing wheel of the front-wheel and rear end that are positioned at front end has one at least for left and right two-wheeled, trailing wheel has actuating device, lock it in the latch-up structure of deployed condition in addition, the slide construction that car load has at least one pair of shock absorbing apparatus and at least one pair of slide bar/cunning chamber to coordinate, it is characterized in that: front, Rear frame is connected by two vertical bar, front vertical bar forms the vertical edge of first three dihedral, with front hypotenuse, front all transverse axis pivot joints below, first three dihedral and front vertical bar, Rear frame and rear vertical bar, one of three kinds of connections between two vertical bar are that rotatable vertical pivot pivot joint forms steering structure.

2. a folding baby carrier as claimed in claim 1, is characterized in that: pivot before first three dihedral described in front-wheel is connected to, and it is right-angled triangle that first three dihedral described launches lock-out state.

3. a folding baby carrier as claimed in claim 2, is characterized in that: described Rear frame longitudinally forms slide bar/cunning chamber stretching structure between sliding chamber by fixing bottom longitudinal slide bar and vertical bar.

4. a folding baby carrier as claimed in claim 1, is characterized in that: described two vertical bar is parallel construction.

5. a folding baby carrier as claimed in claim 1, is characterized in that: Rear frame is by rear hypotenuse, the rear side-looking collapsible Vee formation shape Rear frame formed with the pivot joint of rear vertical bar transverse axis below around three transverse axis pivot joints.

6. a folding baby carrier as claimed in claim 5, is characterized in that: a bar merged into by described two vertical bar, and first three dihedral described, between Vee formation shape Rear frame with described vertical bar two kinds one of to be connected and to form steering structure for rotatable vertical pivot pivot joint.

7. a folding baby carrier as claimed in claim 5, is characterized in that: described two vertical bar is fixedly connected with, and front vertical bar and first three dihedral, one of connection of rear vertical bar and Vee formation shape is that rotatable vertical pivot pivot joint forms steering structure.

8. a folding baby carrier as claimed in claim 5, is characterized in that: have safety wheel below described vertical bar position.

9. a folding baby carrier as claimed in claim 8, is characterized in that: be that quick detach load connects between described vertical bar, described safety wheel is positioned on front truck.

10. a folding baby carrier as claimed in claim 9, it is characterized in that: the vertical bar lower end of described safety wheel wheel fork socket front truck forms cardan wheel, described front-wheel is two, left and right, is arranged on the two ends of a front-wheel load axle, and described front-wheel load axle is pivot before first three dihedral simultaneously.

11. 1 kinds of folding baby carriers as claimed in claim 9, is characterized in that: described rear vertical bar bottom has another safety wheel, this vertical bar and Rear frame hypotenuse, below between cross axial base pivot joint rotatable, upper end has additional grip.

12. 1 kinds of folding baby carriers as claimed in claim 6, it is characterized in that: described vertical bar is cross axial base pivot joint with being connected of front-rear triangular shape and can vertically sliding by bar, vertical bar bottom has safety wheel, and the transverse axis pivot points of Vee formation shape and vertical bar is that quick detach load connects.

13. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: first three dihedral described mode that vertical bar was flexible in the past folds, and hypotenuse, lower edge lengths are constant, and forward pivot point is positioned in the middle part of hypotenuse, and described front-wheel is positioned at hypotenuse front end.

14. 1 kinds of folding baby carriers as claimed in claim 13, is characterized in that: have a folding rod between front-wheel load axle and the lower pivot of first three dihedral, deployed condition becomes the base of right-angled triangle.

15. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: in cross axial base mode between the following and vertical bar of first three dihedral described, with wherein for slide bar with a wherein hole for carrying out sliding folding in sliding chamber.

16. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: first three dihedral described is shorter than vertical edge below, are that cross axial base connects with the connection of hypotenuse, can prolong hypotenuse upward sliding and fold.

17. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: first three dihedral hypotenuse described can arch upward folding downwards, and its section header has straight-bar and keeps latch-up structure.

18. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: first three dihedral hypotenuse described can arch upward folding downwards, and under first three dihedral, pivot has side retinal rod cross axial base connection locking structure to be supported in hypotenuse nearby, can prolong hypotenuse and slide when folding.

19. 1 kinds of folding baby carriers as claimed in claim 5, is characterized in that: it is right-angled triangle that described Vee formation shape launches lock-out state.

20. 1 kinds as arbitrary in claim 1 ~ 19 as described in folding baby carrier, it is characterized in that: first three dihedral hypotenuse described is frame-type structure.

21. 1 kinds as arbitrary in claim 1 ~ 19 as described in folding baby carrier, it is characterized in that: first three dihedral hypotenuse described is only bar structure.

22. 1 kinds of folding baby carriers as described in claim 5 ~ 19, is characterized in that: in cross axial base mode between the following and vertical bar of described Vee formation shape, and vertically bar upwards folds to slide chamber/slide bar mode.

23. 1 kinds of folding baby carriers as claimed in claim 22, is characterized in that: in cross axial base mode between described Vee formation shape hypotenuse and vertical bar, and vertically bar upwards folds to slide chamber/slide bar mode.

24. 1 kinds of folding baby carriers as described in claim 5 ~ 19, is characterized in that: described Vee formation shape hypotenuse also has the unidirectional arch foldable structure of transverse axis pivot joint, form double leval jib fold mechanism.

25. 1 kinds as arbitrary in claim 1 ~ 19 as described in folding baby carrier, it is characterized in that: described latch-up structure is the degree of tightness clamping ring clasping slide bar, embed or be close to described cross axial base cunning chamber by its locking of slide bar.

26. 1 kinds of folding baby carriers as described in claim 1 ~ 19, is characterized in that: described in handle of riding there is flexible or folding handles, launch to extend and be used as to carry out handle.