CN207173693U - Children trolley - Google Patents

Abstract

The utility model discloses a kind of children trolley,Including stroller frame,Stroller frame includes side stand and stull support,Side stand includes fore-stock,After-poppet,Push-rod assembly,Side handrail,Front rod and back link,Front component is rotated by the first wheel shaft and is located on fore-stock,Wheel assembly is rotated by the second wheel shaft and is located on after-poppet,Fore-stock is rotatablely connected with after-poppet by the first side axle,Side handrail at least with one in fore-stock and after-poppet two,Push-rod assembly is rotatablely connected,Back link and push-rod assembly,After-poppet and front rod rotation connection,Front rod is rotatablely connected with fore-stock,First straight line is formed between first wheel shaft and the axial connecting line of the first side axle,Second straight line is formed between second wheel shaft and the axial connecting line of the first side axle,When children trolley deploys,Angle between first straight line and second straight line is 95 ~ 150 degree,The distance of first wheel shaft and the second wheel between centers is 400 ~ 500mm.The children trolley folded configuration is compact, small volume.

Description

stroller

technical field

The utility model relates to the technical field of children's products, in particular to a children's stroller.

Background technique

The children's stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged at the bottom of the stroller frame, and is used to lock the stroller frame in the unfolded state down locking mechanism. There are many types of existing children's strollers, the number of rods of the stroller frame is different, and the connection positions between the rods are different, so the folding principles and folding methods are different, and the folding effects are also different.

Contents of the invention

The purpose of the utility model is to provide a foldable children's stroller with a smaller volume after being folded, aiming at the deficiencies of the prior art.

For achieving the above object, the technical scheme that the utility model adopts is:

A stroller for children, comprising a stroller frame in an unfolded state and a folded state, a front wheel assembly arranged at the lower front part of the stroller frame, and a rear wheel assembly arranged at the lower rear part of the stroller frame wheel assembly and a locking mechanism for locking the stroller frame in deployment, the stroller frame includes side brackets respectively located on the left and right sides, cross braces connected between the side brackets on the left and right sides The side brackets on each side include a front bracket, a rear bracket, a push rod assembly, a side armrest, a front link and a rear link, and the front wheel assembly is rotatably arranged on the front bracket through a first wheel shaft. The lower part, the rear wheel assembly is rotatably arranged on the lower part of the rear support through the second wheel shaft, the upper part of the front support and the upper part of the rear support are rotatably connected through the first side shaft, and the lower part of the side armrest At least one of the upper parts of the front bracket and the upper part of the rear bracket is rotatably connected, the upper part of the side armrest is rotatably connected with the lower part of the push rod assembly, and the rear link One end is rotatably connected to the lower part of the push rod assembly, the other end of the rear link is rotatably connected to one end of the front link, the rear link is rotatably connected to the rear bracket, The other end of the front connecting rod is rotatably connected to the front bracket, a first straight line is formed between the first wheel shaft and the axis center of the first side shaft, and the second wheel shaft is connected to the first side shaft. A second straight line is formed between the axes of the first side shafts, and when the stroller is in the unfolded state, the angle between the first straight line and the second straight line is 95-150 degrees, so The distance between the axes of the first axle and the axis of the second axle is 400-500mm.

Preferably, the baby stroller can be folded once. When the baby stroller is folded once, the push rod assembly turns forward and drives the side armrests to turn down and get closer to the rear bracket. The front connecting rod and the rear connecting rod drive the front bracket to turn backwards and move closer to the rear bracket. When the stroller is in a folded state, the front wheel assembly and the rear wheel assembly on each side They are respectively located on the inner and outer sides of the side brackets.

Further, when the stroller is in the unfolded state, the rear wheel assemblies on the left and right sides are respectively rotatably connected to the outer sides of the rear bracket, and on each side of the left and right sides, the front wheel assemblies are located The inner side of the first side shaft, and the rear wheel assembly are located on the outer side of the first side shaft.

Further, when the stroller is in the unfolded state, the rear wheel assemblies on the left and right sides are respectively rotatably connected to the inner side of the rear bracket, and on each side of the left and right sides, the front wheel assemblies are located The outer side of the first side shaft, and the rear wheel assembly are located on the inner side of the first side shaft.

Preferably, when the baby stroller is in the unfolded state, the included angle between the first straight line and the second straight line is 105-130 degrees.

Preferably, the cross brace includes:

a first crossbar, the first crossbar extends along the left and right directions, and the left and right ends of the first crossbar are respectively rotatably connected to the front brackets on the left and right sides through the first transverse shaft;

a second crossbar, the second crossbar extends along the left and right directions, and the left and right ends of the second crossbar are respectively rotatably connected to the rear brackets on the left and right sides through the second transverse shaft;

a third crossbar, the third crossbar extends along the left and right directions, and the left and right ends of the third crossbar are respectively rotatably connected to the push rod assemblies on the left and right sides through the third cross shaft;

The stroller can be folded twice. When the stroller is folded twice, the side brackets on both sides respectively revolve around the first transverse axis, the second transverse axis and the third transverse axis. Flip over to the inside of the stroller.

Further, when the stroller is in the folded state twice, the first horizontal axis, the second horizontal axis and the third horizontal axis on each side of the left and right sides of the stroller frame The axes all extend along the same linear direction.

Further, the push rod assembly includes a lower push rod, an upper push rod and a push handle, the push handle includes a first rod and a second rod fixedly connected, the first rod is connected to the upper end of the upper push rod When the baby stroller is in the unfolded state, the first bar and the third cross bar extend along the same straight line; when the baby stroller is in the folded state, the second A bar is perpendicular to the third cross bar.

Preferably, the cross brace includes:

a first crossbar, the first crossbar extends in the left-right direction, and the first crossbar can be telescopically connected in the left-right direction between the front brackets on the left and right sides;

a second crossbar, the second crossbar extends in the left-right direction, and the second crossbar can be telescopically connected in the left-right direction between the rear brackets on the left and right sides;

a third crossbar, the third crossbar extends along the left and right directions, and the third crossbar can be telescopically connected in the left and right directions with the push rod assemblies on the left and right sides;

The stroller can be folded twice. When the stroller is folded twice, the first crossbar, the second crossbar and the third crossbar shrink, and the side brackets on both sides Move closer to the left and right.

Preferably, the push rod assembly includes a lower push rod and an upper push rod slidably arranged on the lower push rod along the length extension direction of the lower push rod, the upper part of the side armrest and the rear connecting rod One end of the rod is respectively rotatably connected with the lower part of the lower push rod.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the children's stroller of the utility model has a simple structure, can be folded, and the folding operation is convenient, and the folded children's stroller has a compact structure and a small volume , easy to carry and store.

Description of drawings

Accompanying drawing 1 is one of the three-dimensional views (embodiment 1) of the children's stroller of the present invention in the unfolded state;

Accompanying drawing 2 is the second perspective view (embodiment 1) of the children's stroller in the unfolded state of the utility model;

Accompanying drawing 3 is the side view (embodiment 1) of the children's stroller of the present invention in the unfolded state;

Accompanying drawing 4 is one of three-dimensional views (embodiment 1) of the children's stroller in the folding process of the utility model;

Accompanying drawing 5 is the second perspective view (embodiment 1) of the children's stroller in the folding process of the present invention;

Accompanying drawing 6 is the three-dimensional view (embodiment 1) of the children's stroller of the present invention in a folded state

Accompanying drawing 7 is the side view of the children's stroller of the present invention in the folded state (embodiment 1);

Accompanying drawing 8 is the three-dimensional view (embodiment 2) of the children's stroller of the present invention in the unfolded state;

Accompanying drawing 9 is the three-dimensional view (embodiment 2) of the children's stroller in the folding process of the present invention;

Accompanying drawing 10 is the three-dimensional view (embodiment 2) of the children's stroller of the present invention in a folded state

Accompanying drawing 11 is the side view (embodiment 2) of the children's stroller of the present invention in a folded state.

Among them: 1. side bracket; 11. front bracket; 12. rear bracket; 13. push rod assembly; 131. lower push rod; 132. upper push rod; 133. first rod; 134. second rod; 14. side Armrest; 15. Front link; 16. Rear link; 21. Front wheel assembly; 22. Rear wheel assembly; 31. First axle; 32. Second axle; 41. First side axle; 42. Second side axis; 43, the third lateral axis; 44, the fourth lateral axis; 45, the fifth lateral axis; 46, the sixth lateral axis; 47, the seventh lateral axis; 51, the first straight line; 52, the second straight line; 61. First horizontal bar; 62. Second horizontal bar; 63. Third horizontal bar; 64. Fourth horizontal bar; 71. First horizontal axis; 72. Second horizontal axis; 73. Third horizontal axis; 74 , the fourth horizontal axis.

Detailed ways

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1 to 7, the children's stroller of the present invention includes a stroller frame in an unfolded state and a folded state, a front wheel assembly 21 arranged at the bottom front of the stroller frame, The rear wheel assembly 22 at the bottom rear portion of the frame is a locking mechanism for locking the stroller frame in an unfolded state.

The stroller frame includes side brackets 1 respectively located on the left and right sides of the children's stroller and cross brace brackets connected between the side brackets 1 on the left and right sides.

The side bracket 1 on each side includes a front bracket 11 , a rear bracket 12 , a push rod assembly 13 , a side armrest 14 , a front link 15 and a rear link 16 . The front wheel assembly 21 is rotatably connected to the bottom of the front support 11 by the first wheel shaft 31, and the rear wheel assembly 22 is rotatably connected to the bottom of the rear support 12 by the second wheel shaft 32. 11. The side armrests 14 and the push rod assembly 13 are both inclined upward from front to back, and the rear bracket 12 is inclined upward from back to front.

The top of the front bracket 11 and the top of the rear bracket 12 are rotatably connected through the first side shaft 41, and the bottom of the side armrest 14 is at least connected to the top of the front bracket 11 and one of the upper parts of the rear bracket 12 through the second side. Shaft 42 is rotatably connected. A specific embodiment, the bottom of the side armrest 14 and the top of the rear bracket 12 are rotatably connected through the second side shaft 42, as shown in Figure 2; another specific embodiment, the first side shaft 41 and the second The side shafts 42 extend along the same straight line, that is, the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the side armrest 14 are connected by the first side shaft 41/the second side shaft 42 to rotate on the same axis, as shown in Figure 1 shown. The top of the side armrest 14 is rotatably connected to the bottom of the push rod assembly 13 through the third side shaft 43, and one end of the rear link 16 is rotatably connected to the bottom of the push rod assembly 13 through the fourth side shaft 44. The rear link 16 The other end of the front link 15 is rotatably connected to one end of the front link 15 through the fifth side shaft 45, the rear link 16 is rotatably connected to the rear bracket 12 through the sixth side shaft 46, and the other end of the front link 15 is connected to the front The bracket 11 is rotatably connected through the seventh side shaft 47 . Like this, just form a four-bar linkage mechanism between front support 11, rear support 12, rear link 16 and front link 15, between push rod assembly 13, side armrest 14, rear support 12 and rear link 16 A four-bar linkage is also formed.

In order to make the baby stroller smaller when folded, the push rod assembly 13 includes a lower push rod 131 extending obliquely from front to rear, and an upper push rod slidably arranged on the lower push rod 131 along the length extension direction of the lower push rod 131 132 , the upper part of the side armrest 14 is rotatably connected with the lower part of the lower push rod 131 through the third side shaft 43 , and one end of the rear link 16 is rotatably connected with the lower part of the lower push rod 131 through the fourth side shaft 44 .

A specific embodiment, the lower push rod 131 has a hollow cavity extending along its length, the upper push rod 132 is inserted into the hollow cavity of the lower push rod 131 from the top of the lower push rod 131, and the upper push rod 132 can be moved along the The length extension direction of the hollow cavity slides up and down.

The push rod assembly 13 also includes a push handle. The push handle includes a first rod 133 and a second rod 134 which are fixedly connected. The first rod 133 is fixedly connected to the upper end of the upper push rod 132 .

When the side bracket 1 is in the unfolded state, on the front bracket 11, the seventh side shaft 47 is located below the first side shaft 41; on the rear bracket 12, the first side shaft 41 is located below the second side shaft 42, or , the first side shaft 41 and the second side shaft 42 are arranged coaxially, the sixth side shaft 46 is located below the first side shaft 41 ; on the push rod assembly 13 , the fourth side shaft 44 is located below the third side shaft 43 .

As shown in FIG. 3 , a first straight line 51 is formed between the line connecting the first axle 31 and the axis of the first side axle 41, and a second line 51 is formed between the line connecting the axis of the second axle 32 and the first side axle 41. The straight line 52, when the side bracket 1 is in the unfolded state, the angle between the first straight line 51 and the second straight line 52 is 95-150 degrees, and the angle between the axes of the first wheel shaft 31 and the second wheel shaft 32 The distance is 400~500mm. Through this setting, the folded baby stroller can be made smaller. In order to make the folded baby stroller smaller in volume and more compact in structure, the angle between the first straight line 51 and the second straight line 52 is preferably 105-130 degrees.

In this embodiment, when the stroller is in the unfolded state, the rear wheel assemblies 22 on the left and right sides are respectively rotatably connected to the outside of the rear bracket 12, and on each side of the left and right sides, the front wheel assemblies 21 are located on the first side Inside the shaft 41 , the rear wheel assembly 22 is located outside the first side shaft 41 .

The cross brace bracket includes a first cross bar 61, a second cross bar 62 and a third cross bar 63 connected between the side brackets 1 on the left and right sides, and the first cross bar 61, the second cross bar 62 and the third cross bar 63 all extend along the left and right directions, the left and right ends of the first cross bar 61 are respectively connected to the front brackets 11 on the left and right sides through the first cross shaft 71, and the left and right ends of the second cross bar 62 are connected to the left and right sides respectively. The side rear bracket 12 is rotatably connected by the second horizontal shaft 72 , and the left and right ends of the third cross bar 63 are respectively rotatably connected with the first rods 133 on the left and right sides by the third horizontal shaft 73 . In order to make the cart frame more stable in the unfolded position, it is preferable that the cross brace bracket further includes a fourth cross bar 64 extending along the left and right directions, and the left and right ends of the fourth cross bar 64 are respectively connected to The rear connecting rods 16 on the left and right sides are rotatably connected through the fourth transverse shaft 74 . Between the first crossbar 61 and the front brackets 11 on the left and right sides, between the second crossbar 62 and the rear brackets 12 on the left and right sides, between the third crossbar 63 and the first rods 133 on the left and right sides, and A one-way rotation limiting mechanism is provided between the fourth cross bar 64 and the rear connecting rods 16 on the left and right sides, through which the side brackets 1 on the left and right sides can only rotate in one direction respectively. , and cannot turn in the other direction. In this embodiment, when the stroller is folded, after one fold is completed, the side brackets 1 on both sides can respectively rotate around the first transverse axis 71 , the second transverse axis 72 , the third transverse axis 73 and the fourth transverse axis 74 Flip to the inside of the stroller for secondary folding, so that the folded size of the stroller is smaller. The specific structures of the above-mentioned one-way rotation limiting mechanisms are not the gist of the present invention, and structures in the prior art can be adopted.

The locking mechanism includes a first locking mechanism arranged between the upper push rod 132 and the lower pushing rod 131 and a second locking mechanism arranged between any two parts that are rotationally connected in the above-mentioned two four-bar linkage mechanisms. The first locking mechanism and the second locking mechanism can be unlocked independently, and after the first locking mechanism is unlocked, the upper push rod 132 slides downward relative to the lower push rod 131 to trigger the second locking mechanism to unlock the second locking mechanism. The specific structures of the first locking mechanism and the second locking mechanism are not technical points to be protected by this patent, and structures in the prior art can be used.

When the stroller is in the unfolded state, both the first locking mechanism and the second locking mechanism are in the locked state, and an angle between 95 and 150 degrees is formed between the first straight line 51 and the second straight line 52, and the first wheel shaft The distance between 31 and the axis line of the second axle 32 is kept at 400-500 mm, and the first rod 133 and the third cross-bar 63 extend along the same straight line, as shown in FIGS. 1-3 .

When the stroller is folded, one fold is performed first. When folding, the first locking mechanism is unlocked, and the upper push rod 132 slides down a distance along the length extension direction of the lower push rod 131, and then the second locking mechanism is unlocked. , and then turn the push rod assembly 13 forward, so that the side armrest 14 turns down around the second side shaft 42 and closes to the rear bracket 12, and drives the front bracket 11 around the first side shaft 41 through the front connecting rod 15 and the rear connecting rod 16. Turn back and move closer to the rear bracket 12 until the rods that make up the side bracket 1 are close together, and the front wheel assemblies 21 on the left and right sides are respectively accommodated in the inner sides of the side brackets 1 on each side, and the rear wheel assemblies 22 are located on each side respectively. On the outer side of the side bracket 1 on the side, the first wheel shaft 31 and the second wheel shaft 32 are preferably extended along the same straight line direction, so far the primary folding of the stroller is completed, and the folded structure is shown in Figure 5. At this time, the first rod 133 It still extends along the same straight line as the third cross bar 63 . Then carry out secondary folding. During the secondary folding, the side supports 1 on both sides are respectively turned around the first horizontal axis 71, the second horizontal axis 72, the third horizontal axis 73 and the fourth horizontal axis 74 to the inside of the stroller. Folding, final folding as shown in Figure 6 and Figure 7, at this moment, the first transverse axis 71, the second transverse axis 72, the third transverse axis 73 and the fourth transverse axis 74 extend along the same straight line direction, the first bar 133 and The third crossbar 63 is vertical. The folded baby stroller has a compact structure and a small volume, and is easy to carry and store.

Example 2

As shown in Figures 8 to 11, in this embodiment, the rear wheel assemblies 22 on the left and right sides are respectively rotatably connected to the inside of the rear bracket 12, and on each side of the left and right sides, the front wheel assemblies 21 are located on the first side Outside the shaft 41 , the rear wheel assembly 22 is located inside the first side shaft 41 .

When the stroller is folded, after one fold is completed, the front wheel assemblies 21 on the left and right sides are respectively accommodated on the outside of the side brackets 1 on each side, and the rear wheel assemblies 22 are respectively located on the inside of the side brackets 1 on each side, as shown in Figure 9 Shown, except this difference, all the other are identical with embodiment 1.

Example 3

In this embodiment, the cross brace bracket includes a first cross bar 61, a second cross bar 62 and a third cross bar 63, and the first cross bar 61, the second cross bar 62 and the third cross bar 63 all extend along the left and right directions, The first cross bar 61 is connected between the front brackets 11 on the left and right sides, the second cross bar 62 is connected between the rear brackets 12 on the left and right sides, and the third cross bar 63 is connected between the first bars 133 on the left and right sides. Between, the first crossbar 61, the second crossbar 62 and the third crossbar 63 are telescopic rods capable of stretching in the left and right directions. In order to make the cart frame more stable in the unfolded position, it is preferable that the cross brace bracket also includes a fourth cross bar 64 extending along the left and right directions, and the fourth cross bar 64 is connected to the rear of the left and right sides. Between the connecting rods 16, the fourth cross bar 64 is also a telescopic rod that can expand and contract in the left and right direction. All the other are identical with embodiment 1. In this way, when the stroller is folded twice, the side brackets 1 on the left and right sides, the first crossbar 61, the second crossbar 62, the third crossbar 63 and the fourth crossbar 64 are respectively pushed to the inside of the children's stroller. Shrink, make the side brackets 1 on both sides close together, so as to realize the transverse folding of the stroller. In this folded state, the front wheel assemblies 2 on the left and right sides are respectively accommodated inside the side brackets 1 on each side, and the rear wheel assembly 22 are respectively located on the outside of the side bracket 1 on each side.

Example 4

In this embodiment, the cross brace bracket includes a first cross bar 61, a second cross bar 62 and a third cross bar 63, and the first cross bar 61, the second cross bar 62 and the third cross bar 63 all extend along the left and right directions, The first cross bar 61 is connected between the front brackets 11 on the left and right sides, the second cross bar 62 is connected between the rear brackets 12 on the left and right sides, and the third cross bar 63 is connected between the first bars 133 on the left and right sides. Between, the first crossbar 61, the second crossbar 62 and the third crossbar 63 are telescopic rods capable of stretching in the left and right directions. In order to make the cart frame more stable in the unfolded position, it is preferable that the cross brace bracket also includes a fourth cross bar 64 extending along the left and right directions, and the fourth cross bar 64 is connected to the rear of the left and right sides. Between the connecting rods 16, the fourth cross bar 64 is also a telescopic rod that can expand and contract in the left and right directions. All the other are identical with embodiment 2. In this way, when the stroller is folded twice, the side brackets 1 on the left and right sides, the first crossbar 61, the second crossbar 62, the third crossbar 63 and the fourth crossbar 64 are respectively pushed to the inside of the children's stroller. Shrink, make the side brackets 1 on both sides close together, so as to realize the transverse folding of the stroller. In this folded state, the front wheel assemblies 2 on the left and right sides are respectively accommodated on the outside of the side brackets 1 on each side, and the rear wheel assembly 22 are respectively located on the inside of the side bracket 1 on each side.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. a kind of children trolley, including the stroller frame with deployed condition and folded state, it is arranged on the stroller frame The front component of lower front portion, be arranged on the stroller frame lower rear wheel assembly and for by the stroller frame It is locked in the locking mechanism of expansion, it is characterised in that：The stroller frame includes the side stand positioned at the left and right sides, connection respectively Stull support between the side stand of the left and right sides, the side stand per side include fore-stock, after-poppet, push rod Component, side handrail, front rod and back link, the front component are rotatably arranged under the fore-stock by the first wheel shaft Portion, the wheel assembly are rotatably arranged at the bottom of the after-poppet, the top of the fore-stock and institute by the second wheel shaft The top of after-poppet is stated to rotate connection by the first side axle, the bottom of the side handrail at least with the top of the fore-stock and A part in two, the top part of the after-poppet rotates connection, the top of the side handrail and the push-rod assembly Bottom rotate connection, the one end of the back link rotates with the bottom of the push-rod assembly and is connected, the back link The other end rotate and be connected with the one end of the front rod, the back link rotates with the after-poppet and is connected, institute The other end for stating front rod rotates with the fore-stock and is connected, first wheel shaft and the axial connecting line of first side axle Between form first straight line, form second straight line between second wheel shaft and the axial connecting line of first side axle, work as children When stroller is in deployed condition, the angle between the first straight line and the second straight line is 95 ~ 150 degree, the first round The distance between axial connecting line of axle and second wheel shaft is 400 ~ 500mm.

A kind of 2. children trolley according to claim 1, it is characterised in that：The children trolley can once be rolled over It is folded, when the children trolley is once folded, the push-rod assembly overturn forward drive the side handrail downwardly turn over and The after-poppet is drawn close, and is driven the fore-stock to turn over by the front rod and the back link and is leaned on the after-poppet Hold together, when the children trolley is in a folded state, the front component and the wheel assembly per side are located at respectively Inside and outside the side stand.

A kind of 3. children trolley according to claim 2, it is characterised in that：When the children trolley is in deployed condition When, the wheel assembly of the left and right sides is rotatably connected on the outside of the after-poppet respectively, and in every side of the left and right sides, institute The inner side that front component is respectively positioned on first side axle is stated, the wheel assembly is respectively positioned on the outside of first side axle.

A kind of 4. children trolley according to claim 2, it is characterised in that：When the children trolley is in deployed condition When, the wheel assembly of the left and right sides is rotatably connected on the inner side of the after-poppet respectively, and in every side of the left and right sides, institute The outside that front component is respectively positioned on first side axle is stated, the wheel assembly is respectively positioned on the inner side of first side axle.

A kind of 5. children trolley according to claim 1, it is characterised in that：When children trolley is in deployed condition, institute It is 105 ~ 130 degree to state the angle between first straight line and the second straight line.

A kind of 6. children trolley according to claim 1, it is characterised in that：The stull support includes：

First cross bar, first cross bar extend in left-right direction, the left and right ends portion of first cross bar respectively with left and right two The fore-stock of side is rotated connection by the first transverse axis；

Second cross bar, second cross bar extend in left-right direction, the left and right ends portion of second cross bar respectively with left and right two The after-poppet of side is rotated connection by the second transverse axis；

3rd cross bar, the 3rd cross bar extend in left-right direction, the left and right ends portion of the 3rd cross bar respectively with left and right two The push-rod assembly of side is rotated connection by the 3rd transverse axis；

The children trolley can carry out twice-folded, during the children trolley twice-folded, the side stand difference of both sides Around turning inside out for children trolley described in first transverse axis, second transverse axis and the 3rd X direction.

A kind of 7. children trolley according to claim 6, it is characterised in that：When the children trolley is in twice-folded shape During state, positioned at first transverse axis of every side of the left and right sides of the stroller frame, second transverse axis and the 3rd horizontal stroke Axle extends along same rectilinear direction.

A kind of 8. children trolley according to claim 6, it is characterised in that：The push-rod assembly includes lower push-rod, above pushed away Bar and handle, the handle include the first bar and the second bar being mutually fixedly connected, the upper end of first bar and the upper push-rod Portion is mutually fixedly connected, and when the children trolley is in deployed condition, first bar and the 3rd cross bar are along same straight line Direction extends, and when the children trolley is in twice-folded state, first bar and the 3rd cross bar are perpendicular.

A kind of 9. children trolley according to claim 1, it is characterised in that：The stull support includes：

First cross bar, first cross bar extend in left-right direction, and first cross bar can be connected telescopically in left-right direction Between the fore-stock of the left and right sides；

Second cross bar, second cross bar extend in left-right direction, and second cross bar can be connected telescopically in left-right direction Between the after-poppet of the left and right sides；

3rd cross bar, the 3rd cross bar extend in left-right direction, and the 3rd cross bar can be connected telescopically in left-right direction Between the push-rod assembly of the left and right sides；

The children trolley can carry out twice-folded, during the children trolley twice-folded, first cross bar, described second Cross bar and the 3rd cross bar are shunk, and the side stand of both sides is drawn close in left-right direction.

A kind of 10. children trolley according to claim 1, it is characterised in that：The push-rod assembly includes lower push-rod and energy Enough length bearing of trends along the lower push-rod are slidably arranged in the upper push-rod on the lower push-rod, the top of the side handrail Rotate and be connected with the bottom of the lower push-rod respectively with the one end of the back link.