CN108583670A - stroller - Google Patents

Abstract

The invention discloses a baby stroller which is small in size and convenient to fold after being folded. A children's barrow comprises a frame, a front wheel assembly and a rear wheel assembly, wherein the front wheel assembly and the rear wheel assembly are arranged at the bottom of the frame; each side bracket includes: a push handle; the upper end part of the front bracket connecting rod is rotatably connected with the push handle; the lower end part of the front bracket is provided with a front wheel assembly; the upper end part of the push handle connecting rod is rotatably connected with the lower end part of the push handle; a rear bracket, a rear wheel component arranged at the lower end part; the rear end part of the rear support connecting rod is rotatably connected with the lower end part of the rear support; the front rod is rotatably connected to the front bracket, and the rear end part of the front rod is rotatably connected to the front end part of the rear bracket connecting rod; the lower end part of the front support connecting rod, the upper end part of the front support and the upper end part of the rear support are in relative rotating connection or coaxial rotating connection; the push handle connecting rod is rotatably connected to the rear bracket, and the lower end portion of the push handle connecting rod is slidably and rotatably connected to the rear bracket connecting rod.

Description

stroller

technical field

The invention relates to the field of children's products, in particular to a baby stroller.

Background technique

In the prior art, in order to facilitate transportation or storage, children's strollers are usually designed to be foldable. A foldable stroller generally includes a side frame having an unfolded position and a folded position, a front wheel assembly disposed at the bottom front of the side frame, a rear wheel assembly disposed at the bottom rear of the side frame, and a rear wheel assembly disposed at the bottom of the side frame. Seat pockets on side stands. There are various kinds of side supports of existing strollers, the number of rods of the side supports is different, the connection relationship between the rods, and the connection positions are different, so the folding principles and folding methods are different. Avoiding the bulky and bulky and inconvenient to carry, making the frame easy to fold and small in size after folding is the goal pursued by the designer of the stroller.

Contents of the invention

The invention provides a children's stroller, which is small in volume and convenient to fold after being folded.

To achieve the above object, the present invention adopts the following technical solutions:

A stroller for children, comprising a vehicle frame in an expanded state and a folded state, a front wheel assembly and a rear wheel assembly arranged at the bottom of the vehicle frame, the vehicle frame includes two or more than two side brackets and is connected to A collapsible horizontal bracket between the side brackets; each of the side brackets includes:

Push handle;

a front bracket link, the upper end of which is rotatably connected to the push handle through a first pivot;

a front bracket, the lower end of which is provided with the front wheel assembly;

a push handle link, the upper end of which is rotatably connected to the lower end of the push handle through a second pivot;

a rear bracket, the lower end of which is provided with the rear wheel assembly;

a rear bracket link, the rear end of which is rotatably connected to the lower end of said rear bracket via a third pivot; and

a front rod rotatably connected to the front bracket by a fourth pivot and a rear end rotatably connected to the rear bracket link by a fifth pivot;

Wherein, the lower end of the front bracket link, the upper end of the front bracket, and the upper end of the rear bracket are connected in pairs for relative rotation or coaxial rotation; is rotatably connected to the rear bracket, and the lower end of the push handle link is slidably and rotatably connected to the rear bracket link; when the vehicle frame is in the unfolded state, the push handle link The lower end of the rod is connected to the first position of the rear bracket link; when the vehicle frame is in the folded state, the upper end of the push handle is connected to the upper end of the front bracket and the upper end of the rear bracket close together, the lower end of the push handle is close to the lower end of the rear bracket and the lower end of the front bracket, and the lower end of the push handle link is connected to the second end of the rear bracket link. position, the second position is located in front of the first position.

In one embodiment, each of the side brackets further includes a first sliding member slidably provided on the connecting rod of the rear bracket, and the lower end of the push handle connecting rod is rotatably connected through a seventh pivot. on the first slider.

In one embodiment, the first sliding member is a first sliding sleeve slidably sleeved on the connecting rod of the rear bracket.

In one embodiment, each of the side brackets further includes a backrest bar, the front bar is connected to the rear bracket link through a connecting piece, and the connecting piece is fixedly connected to the rear end of the front bar, The connecting member is rotatably connected to the rear bracket link through the fifth pivot, and the backrest bar is rotatably connected to the connecting member through the eighth pivot, when the vehicle frame is in the unfolded state , the connecting piece is provided with a slot, the slot is located between the connecting piece and the end of the rear bracket link, and the lower end of the backrest bar is inserted into the slot; When the vehicle frame is in the folded state, the lower end of the backrest bar breaks away from the slot, and the backrest bar and the front bar move closer to each other.

In one embodiment, the backrest bar includes an outer bar, an inner bar slidably connected to the lower part of the outer bar, and a spring arranged between the outer bar and the inner bar, and the outer bar passes through the first The eight pivots are rotatably connected to the connecting member, and during the relative expansion of the front rod and the rear bracket link, the spring is compressed and provides a push for the inner rod to be inserted into the slot force; when the vehicle frame is in the unfolded state, the lower end of the inner rod is inserted into the slot.

In one embodiment, each of the side supports further includes a rear bar located behind the front bar, and seats are respectively provided on the front bar and the rear bar.

In one embodiment, the rear rod is slidably and rotatably connected to the push handle link, and the front end of the rear rod is rotatably connected to the rear bracket through a ninth pivot, when the When the vehicle frame is in the folded state, the rear bar, the push handle connecting rod and the rear bracket are close to each other.

In one embodiment, each of the side brackets further includes a second slider slidably provided on the rear rod, and the push handle link is rotatably connected to the second rod through a tenth pivot. slider.

In one embodiment, the cross bracket includes one or more cross brace assemblies, and the cross brace assembly includes two connecting rods that are rotatably connected by pivots and cross to form a cross-shaped structure. The upper ends of the connecting rods and the lower end are respectively rotatably connected to the two parts of the side bracket.

In one embodiment, one cross support assembly is provided between the front supports of the two side supports; and/or, one cross support assembly is provided between the rear supports of the two side supports; And/or, one cross brace assembly is provided between the push handle connecting rods of the two side brackets.

In combination with the above, the present invention adopts the above technical solutions, and has the following advantages compared with the prior art:

In the children's stroller provided by the present invention, the structure of the side bracket makes the structure of the children's stroller stable when it is in the unfolded state, and the size of the frame after folding is small, and the rods of the side bracket can be folded closer to each other by pushing the push handle, which is convenient for folding .

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

Fig. 1 is a three-dimensional schematic view of a baby stroller after being deployed according to the present invention;

Fig. 2 is a side view when the stroller shown in Fig. 1 is folded;

Fig. 3 is a side view when the stroller shown in Fig. 2 is further folded;

Fig. 4 is a side view of the child stroller shown in Fig. 1 after being folded;

Fig. 5 is a three-dimensional schematic diagram of a backrest bar according to the present invention after deployment;

Fig. 6 is a partial enlarged view of place A in Fig. 5;

Fig. 7 is a sectional view of the backrest bar in Fig. 5;

Fig. 8 is a three-dimensional schematic view of the backrest bar shown in Fig. 5 when it is folded;

Fig. 9 is a partial enlarged view of place B in Fig. 8;

Fig. 10 is a side view of the folded backrest bar shown in Fig. 5 .

Among them, 100, side bracket; 200, horizontal bracket; 300, front wheel assembly; 400, rear wheel assembly;

10. Push handle; 20. Front bracket connecting rod; 30. Front bracket; 40. Push handle connecting rod; 50. Rear bracket; 501. Joint; 60. Rear bracket connecting rod; 601. First sliding sleeve; 70. Front Rod; 701, connector; 702, slot; 80, rear rod; 801, second sliding sleeve; 90, backrest rod; 901, outer rod; 9010, connecting pin; 902, inner rod; 9020, long hole; 903 ,spring;

21. The first cross brace assembly; 210. The first connecting rod; 22. The second cross brace assembly; 220. The second connecting rod; 23. The third cross brace assembly; 230. The third connecting rod; 231. The fourth connection Rod; 24, the fourth cross brace assembly; 240, the fifth connecting rod; 241, the sixth connecting rod.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. The orientation words mentioned in the present invention are defined according to the conventional observation angle of view of the stroller in the unfolded state in the field and for the convenience of description.

Figures 1-10 show a stroller for children according to the present invention, which includes a vehicle frame with an unfolded state and a folded state, and a front wheel assembly 300 and a rear wheel assembly 400 disposed at the bottom of the frame. The vehicle frame includes two or more side supports 100 and a collapsible horizontal support 200 connected between the side supports 100. In this embodiment, the number of side supports 100 is two and are located on the left and right sides of the stroller. sides.

Referring to FIGS. 1-4 , each side bracket 100 includes: a push handle 10 , a front bracket link 20 , a front bracket 30 , a push handle link 40 , a rear bracket 50 , a rear bracket link 60 and a front rod 70 . The front wheel assembly 300 is disposed at the lower end of the front bracket 30 , and the rear wheel assembly 400 is disposed at the lower end of the rear bracket 50 . The upper end of the front bracket link 20 is rotatably connected to the push handle 10 through the first pivot a1, the upper end of the push handle link 40 is rotatably connected to the lower end of the push handle 10 through the second pivot a2, and the second A pivot a1 is located above the second pivot a2. The rear end of the rear bracket link 60 is rotatably connected to the lower end of the rear bracket 50 through the third pivot a3. The front rod 70 is rotatably connected to the front bracket 30 through the fourth pivot a4, and the rear end of the front rod 70 is rotatably connected to the front end of the rear bracket link 60 through the fifth pivot a5. The lower end of the front bracket link 20, the upper end of the front bracket 30, and the upper end of the rear bracket 50 are connected in twos relative to each other or coaxially rotated, that is, the lower end of the front bracket link 20 and the upper end of the front bracket 30 The three parts at the upper end of the rear support 50 are rotatably connected by the same pivot, or the first part and the second part of the three parts are rotatably connected by a pivot and the third part is rotatably connected by another pivot Rotatably connected to the first component or the second component; specifically in this embodiment, the upper end of the rear bracket 50 has a joint 501, the joint 501 is fixedly connected or integrally formed with other parts of the rear bracket 50, and the front bracket 30 The upper end of the upper end is rotatably connected to the front part of the joint 501 through a pivot, and the lower end of the front bracket link 20 is rotatably connected to the rear part of the joint 501 through another pivot, and the shafts of the two pivots The heart lines are parallel to each other and respectively extend along the left and right directions of the stroller. The push handle link 40 is rotatably connected to the rear bracket 50 through the sixth pivot a6, and the lower end of the push handle link 40 is slidably and rotatably connected to the rear bracket link 60; specifically in this embodiment, Each side bracket 100 also includes a first slider slidably arranged on the rear bracket link 60, the first slider is specifically a first sliding sleeve 601 slidably sleeved on the rear bracket link 60, pushing The lower end of the connecting rod 40 is rotatably connected to the first sliding sleeve 601 through the seventh pivot a7. When the vehicle frame is in the unfolded state, the lower end of the push handle link 40 is connected to the first position of the rear bracket link 60 (that is, the position where the first sliding sleeve 601 is located); when the vehicle frame is in the folded state, the push handle The lower end of the link 40 is connected to the rear bracket link 60 at a second position, and the second position is located in front of the first position. That is to say, as the push handle 10 is turned over during folding, the first sliding sleeve 601 slides forward along the rear bracket link 60 under the action of the push handle link 40, thereby cooperating with the front rod 70 to drive the front bracket 30 and the rear bracket 50 close to each other.

Each side frame 100 also includes a backrest bar 90 , and the backrest bar 90 can be folded and unfolded along with other parts of the side frame 100 . Specifically as shown in Figure 5-10, the front bar 70 is connected to the rear bracket link 60 through a connecting piece 701, the first end of the connecting piece 701 is fixedly connected to the rear end of the front bar 70, and the second end of the connecting piece 701 The end is rotatably connected to the rear bracket link 60 through the fifth pivot a5, the backrest rod 90 is rotatably connected to the third end of the connecting piece 701 through the eighth pivot a8, and the first end of the connecting piece 701 , the second end and the third end are generally arranged in a triangular shape. When the vehicle frame is in the unfolded state, the connecting piece 701 is provided with a slot 702, the slot 702 is specifically located between the connecting piece 701 and the rear end of the rear support link 60 and is spliced by the two, the lower end of the backrest bar 90 part inserted into the slot 702 and unfolded stably, as shown in Figures 5 and 6; referring to Figures 8 and 9, when folded, as the rear bracket link 60 rotates, the rear bracket link 60 and the front bar 70 are opposite Connector 701 rotates downwards, and the blocking effect of rear bracket link 60 and front rod 70 on backrest rod 90 disappears, and backrest rod 90 turns downward under the action of its own gravity and front rod 70 moves closer to each other, reaching the position shown in Figure 10. folded state. In this embodiment, there is a distance between the fifth pivot a5 and the rear end of the rear bracket link 60 . When the vehicle frame is folded, the rear end of the rear bracket link 60 rotates upwards out of the connecting member 701 .

7, the backrest bar 90 includes an outer bar 901, an inner bar 902 slidably inserted in the lower part of the outer bar 901 and a spring arranged between the outer bar 901 and the inner bar 902, and the outer bar 901 passes through the The eighth pivot a8 is rotatably connected to the connecting member 701 . Specifically, the bottom of the outer rod 901 is provided with a mounting groove for inserting the inner rod 902, the inner rod 902 is slidably inserted in the mounting groove, and the spring is set between the bottom of the mounting groove and the upper end of the inner rod 902. The stage clip 903 between. During the relative expansion of the front rod 70 and the rear bracket link 60, the lower end of the inner rod 902 is squeezed by the rear end of the rear bracket link 60 and slides in the outer rod 901, while the connecting piece 701 is gradually connected with the rear bracket. The rear ends of the rods 60 are spliced step by step, and the compression spring 903 is compressed so as to provide a driving force for the inner rod 902 to be inserted into the slot 702; slot 702. Specifically in this embodiment, the inner rod 902 is provided with a long hole 9020, and the outer rod 901 is provided with a connecting pin 9010, and the connecting pin 9010 can be slidably inserted into the long hole 9020 along the extending direction of the long hole 9020, This allows the inner rod 902 to slide relative to the outer rod 901 and prevents the inner rod 902 from completely disengaging from the outer rod 901 .

1 and 2, each side support 100 also includes a rear bar 80 positioned at the rear of the front bar 70, the front bar 70 and the rear bar 80 are respectively provided with seats, and the two seats are spaced apart from each other. Make a double stroller. The front bar 70 serves as the seat post of the front seat, and the rear bar 80 serves as the seat post of the rear seat. In addition, the baby stroller can also be used as a one-person stroller with only one seat provided on the front bar 70 .

The rear rod 80 is specifically arranged between the rear bracket 50 and the push handle link 40 . Wherein, the rear rod 80 is slidably and rotatably connected to the push handle link 40, and the front end of the rear rod 80 is rotatably connected to the rear bracket 50 through the ninth pivot a9. When the vehicle frame is in the folded state, the rear The rod 80 and the push handle connecting rod 40 and the rear bracket 50 move closer to each other. Specifically, each side bracket 100 also includes a second sliding member slidably arranged on the rear rod 80, the second sliding member is specifically a second sliding sleeve 801 slidably sleeved on the rear rod 80, and the push handle The connecting rod 40 is rotatably connected to the second sliding sleeve 801 through the tenth pivot a10, and the second sliding sleeve 801 is arranged behind the ninth pivot a9. When the frame is folded, the rear rod 80 can be folded together.

The first pivot a1, the second pivot a2, the third pivot a3, the fourth pivot a4, the fifth pivot a5, the sixth pivot a6, the seventh pivot a7, the third pivot a6 in each side bracket 100 The axis lines of the eighth pivot a8 , the ninth pivot a9 and the tenth pivot a10 are parallel to each other, and preferably extend horizontally along the left-right direction of the stroller. The axis lines of the corresponding pivots of the two side brackets 100 coincide with each other, such as the axis lines of the first pivots a1 of the two side brackets 100 coincide with each other, and the two second pivots a2 of the two side brackets 100 The axis lines of are coincident with each other, and so on.

Referring to FIG. 1 , the cross bracket 200 is composed of one or more cross brace components and can be folded horizontally so that the side brackets 100 on both sides can be folded toward the middle, so as to reduce the lateral size of the folded stroller. Specifically in this embodiment, a first cross brace assembly 21 is provided between the front brackets 30 of the two side brackets 100, so that the front brackets 30 on both sides are close to each other; A second cross brace assembly 22 is provided to make the rear brackets 50 on both sides close to each other; a third cross brace assembly 23 is arranged between the push handle links 40 of the two side brackets 100 so that the push handles on both sides can The connecting rods 40 are moved closer to each other; a fourth cross support assembly 24 is arranged between the back bars 90 of the two side supports 100, so that the back bars 90 on both sides are moved closer to each other. Each cross brace assembly includes at least two connecting rods that are rotatably connected by pivots to form a cross structure.

The first cross brace assembly 21 includes two first connecting rods 210 , and the middle parts of the two first connecting rods 210 are pivotally connected to each other to form a cross-shaped cross structure. The upper ends of the two first connecting rods 210 are respectively rotatably connected to the rear ends of the front rods 70 of the two side brackets 100, and the lower ends of the two first connecting rods 210 are respectively rotatably connected to the two front supports. 30 lower end.

The second cross brace assembly 22 includes two second connecting rods 220 , and the middle parts of the two second connecting rods 220 are pivotally connected to each other to form a cross structure. The upper ends of the two second connecting rods 220 are respectively rotatably connected to the first sliding sleeves 601 of the two side brackets 100 , and the lower ends of the two second connecting rods 220 are respectively rotatably connected to the two rear brackets 50 . lower end.

The third cross brace assembly 23 includes two third connecting rods 230 and two fourth connecting rods 231, the middle parts of the two third connecting rods 230 are pivotally connected to each other to form a cross structure, and each third connecting rod The upper ends of the rods 230 are respectively rotatably connected to the inner ends of a fourth connecting rod 231 . The outer ends of the two fourth connecting rods 231 are respectively rotatably connected to the second sliding sleeves 801 of the two side brackets 100, and the lower ends of the two third connecting rods 230 are respectively rotatably connected to the two push handle links. The lower end of the rod 40.

The fourth cross brace assembly 24 includes two fifth connecting rods 240 and two sixth connecting rods 241, the middle parts of the two fifth connecting rods 240 are pivotally connected to each other to form a cross structure, and each fifth connecting rod The upper ends of the rods 240 are respectively rotatably connected to the inner ends of a sixth connecting rod 241 . The outer ends of the two sixth connecting rods 241 are rotatably connected to the upper ends of the backrest rods 90 of the two side brackets 100 respectively, and the lower ends of the two fifth connecting rods 240 are respectively rotatably connected to the two backrest rods. The lower end of 90.

Referring to Fig. 1, when the vehicle frame is in the unfolded state, the first cross brace assembly 21, the second cross brace assembly 22, the third cross brace assembly 23 and the fourth cross brace assembly 24 of the cross bracket 200 are deployed respectively, and the two sides The brackets 100 are spaced left and right, the push handle 10, the front bracket 30, and the rear bracket 50 are relatively deployed, and the lower end of the inner rod 902 of the backrest rod 90 is inserted into the slot 702.

As shown in Figures 2 and 3, when the vehicle frame is being folded, the push handle 10 is pressed downward, so that the lower end of the push handle 10 is turned backward and downward, and the push handle connecting rod 40 is turned over to drive the first sliding sleeve 601 to move along the rear bracket. The connecting rod 60 slides forward so that the push handle 10 draws closer to the rear support 50, while the rear end of the rear rod 80 draws closer to the rear support 50, and the front support 30 supports backward under the action of the rear support connecting rod 60 and the front rod 70. 50 close, the lower end of the inner rod 902 of the back bar 90 gradually moves closer to the front bracket 30; and as the side bracket 100 is folded, the first cross brace assembly 21, the second cross brace assembly 22, the third cross brace assembly 23 and the second cross brace assembly The four-cross support assembly 24 is folded so that the side brackets 100 on both sides are folded toward the middle. Until it is folded to the state shown in Figure 4, the vehicle frame is folded and reaches the folded state. At this time, the cross bracket 200 is folded so that the side brackets 100 on both sides are close together; The lower end of the rod 40 and the upper end (joint 501) of the rear support 50, the front end of the rear support connecting rod 60, and the rear end of the front rod 70 are close to each other, the joint 501 is generally horizontal, the lower end of the push handle 10, the push handle The upper end of the connecting rod 40, the lower end of the rear bracket 50, the lower end of the front bracket 30, and the upper end of the back bar 90 are close to each other, and the front wheel assemblies 300 on both sides are gathered between the rear wheel assemblies 400 on both sides.

The above-mentioned embodiments are only for illustrating the technical conception and characteristics of the present invention, and are preferred implementation modes. The purpose is that those familiar with this technology can understand the content of the present invention and implement it accordingly, and cannot limit the protection scope of the present invention with this . All equivalent changes or modifications made according to the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. Include vehicle frame with unfolded state and folded state, set on the front wheels of the bottom of frame 1. a kind of children trolley Part and wheel assembly, the vehicle frame include two or more side stands and are connected to receiving between the side stand The lateral frame of folding；It is characterized in that, each side stand respectively includes：

   Handle；

   Fore-stock connecting rod, thereon end the handle is rotatably connected at by the first pivot；

   Fore-stock, lower end are equipped with the front component；

   Handle connecting rod, thereon end the lower end of the handle is rotatably connected at by the second pivot；

   After-poppet, lower end are equipped with the wheel assembly；

   After-poppet connecting rod, thereafter end the lower end of the after-poppet is rotatably connected at by third pivot；And

   Front bar, is rotatably connected at by the 4th pivot on the fore-stock and end is rotatable by the 5th pivot thereafter Ground is connected to the after-poppet connecting rod；

   Wherein, two two-phase of upper end of the lower end of the fore-stock connecting rod, the upper end of the fore-stock and the after-poppet To rotationally connecting or rotating coaxially connection；The handle connecting rod is rotatably connected at the after-poppet by the 6th pivot, And the lower end of the handle connecting rod is slidably and rotatably connected to the after-poppet connecting rod；When the vehicle frame is in expansion shape When state, the lower end of the handle connecting rod is connected at the first position of the after-poppet connecting rod；When the vehicle frame is in rugosity When state, the upper end of the handle is mutually drawn close with the upper end of the fore-stock, the upper end of the after-poppet, the handle Lower end is mutually drawn close with the lower end of the lower end of the after-poppet, the fore-stock, the lower end connection of the handle connecting rod In the second place of the after-poppet connecting rod, the second position is located at the front of the first position.
2. 2. children trolley according to claim 1, which is characterized in that each side stand, which respectively further comprises, slideably to be set The lower end of the first sliding part on the after-poppet connecting rod, the handle connecting rod is rotatably connected at by the 7th pivot First sliding part.
3. 3. children trolley according to claim 2, which is characterized in that first sliding part is slideably is sheathed on institute State the first sliding sleeve on after-poppet connecting rod.
4. 4. children trolley according to claim 1, which is characterized in that each side stand respectively further comprises back support bar, institute It states front bar and the after-poppet connecting rod is connected to by a connection piece, the connector is fixedly connected on the rear end of the front bar, The connector is rotatably connected at the after-poppet connecting rod by the 5th pivot, and the back support bar passes through the 8th pivot It is rotatably connected at the connector, when the vehicle frame is in unfolded state, the connector is equipped with slot, the slot Between the connector and the end of the after-poppet connecting rod, the lower end of the back support bar is inserted in the slot； When the vehicle frame is in folded state, the back support bar and the front bar are mutually drawn close.
5. 5. children trolley according to claim 4, which is characterized in that the back support bar includes outer bar, is slidably connected In the interior bar of the outer bar lower part and the spring between the outer bar and the interior bar, the outer bar passes through the 8th pivot Axis is rotatably connected at the connector, during the front bar and the after-poppet connecting rod are unfolded relatively, the bullet Spring is compressed and provides the motive force for being inserted into the slot for the interior bar；When the vehicle frame is in unfolded state, the interior bar Lower end be inserted into the slot.
6. 6. children trolley according to claim 1, which is characterized in that each side stand respectively further comprises before described It is respectively equipped with seat in the rear bar at bar rear, the front bar and the rear bar.
7. 7. children trolley according to claim 6, which is characterized in that the rear bar is slidably and rotatably connected to institute Handle connecting rod is stated, and the front end of the rear bar is rotatably connected at the after-poppet by the 9th pivot, when the vehicle frame In folded state, the rear bar and the handle connecting rod and the after-poppet are mutually drawn close.
8. 8. children trolley according to claim 7, which is characterized in that each side stand, which respectively further comprises, slideably to be set In the second sliding part in the rear bar, the handle connecting rod is rotatably connected at second sliding by the tenth pivot Part.
9. 9. children trolley according to claim 1, which is characterized in that the lateral frame includes one or more cross groups Part, the cross support component include the connecting rod of two rotated by pivot connection by intersection composition decussate textures, the company The upper and lower end of bar is rotatably connected at two components of side stand respectively.
10. 10. children trolley according to claim 9, which is characterized in that be equipped between the fore-stock of two side stands One cross support component；And/or the cross support component there are one being set between the after-poppet of two side stands；With/ Or, being set between the handle connecting rod of two side stands, there are one the cross support components.