CN218400684U - Children's barrow - Google Patents

Abstract

The utility model relates to a children's shallow, it includes shallow frame, front wheel subassembly, rear wheel subassembly, shallow frame has fold condition and expansion state, and shallow frame includes fore-stock, after-poppet and push rod frame, and the bottom of fore-stock is located to the front wheel subassembly, and the bottom of after-poppet is located to the rear wheel subassembly, and the lower part of push rod frame is rotated with the upper portion of fore-stock and is connected, and shallow frame still includes support frame, first link and second link, wherein: the upper end part and the lower end part of the support frame are respectively and rotatably connected with the lower part of the push rod frame and the upper part of the rear support frame; the front part of the first connecting frame is rotationally connected with the front support, and the rear part of the first connecting frame is rotationally connected with the support frame; the front part of the second connecting frame is rotationally connected with the lower part of the push rod frame, and the rear part of the second connecting frame is rotationally connected with the rear support. The utility model discloses a children's shallow adopts new folding principle and the front wheel subassembly is no longer than the rear wheel subassembly in the profile of front and back direction after folding, and the shallow is folding small, accomodates and convenient to carry.

Description

Children's barrow

Technical Field

The utility model belongs to children's shallow field, concretely relates to children's shallow.

Background

In the prior art, the stroller is generally provided in a foldable form for convenient carrying, transportation and storage. Foldable stroller are mainly realized by providing a stroller frame having an open state and a folded state. In order to realize the folding function, the main components of the frame of the stroller, such as the front wheel bracket, the rear wheel bracket, the push handle rod and the like, are mutually connected in a rotating way, and the specific structural design is diversified. However, different structural designs have important influences on the shape of the frame, the stability of the frame, the convenience of folding operation, the volume and storage after folding and the cost of the cart. On the premise of ensuring the stability of the frame, the design of the child stroller which has novel shape, small folding volume, convenient storage and transportation and convenient operation is the key for ensuring that the stroller product has market competitiveness.

Disclosure of Invention

The utility model aims to solve the technical problem that a folding novel children's shallow is provided.

For solving the technical problem, the utility model discloses take following technical scheme:

the utility model provides a children's shallow, its includes shallow frame, front wheel subassembly, is located the rear wheel subassembly of shallow frame lower part both sides, and shallow frame has fold condition and expansion state, and shallow frame includes fore-stock, after-poppet and push rod frame, and the bottom of fore-stock is located to the front wheel subassembly, and the bottom of after-poppet is located to the rear wheel subassembly, and the lower part of push rod frame is rotated with the upper portion of fore-stock and is connected, and shallow frame still includes support frame, first link and second link, wherein: the upper end part and the lower end part of the support frame are respectively and rotatably connected with the lower part of the push rod frame and the upper part of the rear support frame; the front part of the first connecting frame is rotationally connected with the front support, and the rear part of the first connecting frame is rotationally connected with the support frame; the front part of the second connecting frame is rotationally connected with the lower part of the push rod frame, and the rear part of the second connecting frame is rotationally connected with the rear support;

when the pushing frame is in an unfolding state, the front support, the rear support, the pushing rod frame, the support frame, the first connecting frame and the second connecting frame are unfolded relatively, the support frame and the rear support extend along the up-down direction respectively and incline downwards from front to back, the front support and the pushing rod frame extend along the up-down direction respectively and incline upwards from front to back, and the front wheel assembly and the rear wheel assembly are positioned at the front part and the rear part of the pushing frame respectively; when the stroller frame is in a folded state, the front support, the rear support, the push rod frame, the support frame, the first connecting frame and the second connecting frame are close to each other, the front wheel assembly and the rear wheel assembly are close to each other, and in the front-back direction of the stroller, the outline of the front wheel assembly does not exceed the outline of the rear wheel assembly.

In some embodiments according to the invention, the axis of rotation between the lower end of the support frame and the upper portion of the rear support frame, and the axis of rotation between the lower end of the support frame and the rear portion of the first connecting frame coincide; and/or a rotating axis line between the lower part of the push rod frame and the upper part of the front support frame and a rotating axis line between the lower part of the push rod frame and the front part of the second connecting frame are superposed; and/or the rotating axes of the two parts which are connected in a rotating way randomly extend along the left and right direction of the baby stroller. The arrangement can reduce the rotating shaft components, optimize the structure of the cart and facilitate the assembly and use of the cart.

In some embodiments according to the present invention, when the stroller frame is in the unfolded state, the joint of the second link frame and the push rod frame is located above and behind the joint of the first link frame and the front bracket; the joint of the second connecting frame and the rear support is positioned at the rear lower part of the joint of the first connecting frame and the support frame.

In some preferred embodiments according to the present invention, the front support comprises a left front support rod and a right front support rod, the rear support comprises a left rear support rod and a right rear support rod, the push rod support comprises a left push rod and a right push rod, and the support frame comprises a left support rod and a right support rod;

the front end parts of the left front supporting rod and the right front supporting rod are respectively connected with two sides of the front wheel assembly, and the rear end parts of the left front supporting rod and the right front supporting rod are respectively rotatably connected with the lower end part of the left push rod and the lower end part of the right push rod; the rear end parts of the left rear supporting rod and the right rear supporting rod are respectively connected with a rear wheel assembly, and the front end parts of the left rear supporting rod and the right rear supporting rod are respectively rotatably connected with the lower end parts of the left supporting rod and the right supporting rod;

the first link and the second link each have a main body portion extending in the front-rear direction of the stroller.

In some further preferred embodiments, the first and second connection frames each comprise a left and right connection portion;

in the first connecting frame, the front part of the left connecting part and the front part of the right connecting part are respectively and rotatably connected with the left front supporting rod and the right front supporting rod, or the front part of the left connecting part and the front part of the right connecting part, the left front supporting rod and the right front supporting rod are rotatably connected with each other by a pivot; the rear part of the left connecting part and the rear part of the right connecting part are respectively and rotatably connected with the lower end part of the left stay bar and the lower end part of the right stay bar, or the rear part of the left connecting part, the rear part of the right connecting part, the lower end part of the left stay bar and the lower end part of the right stay bar are rotatably connected;

in the second connecting frame, the front part of the left connecting part and the front part of the right connecting part are respectively and rotatably connected with the left push rod and the right push rod, or the front part of the left connecting part, the front part of the right connecting part, the left push rod and the right push rod are in common pivot rotation connection; the rear part of the left connecting part and the rear part of the right connecting part are respectively connected with the left rear supporting rod and the right rear supporting rod in a rotating way, or the rear part of the left connecting part, the rear part of the right connecting part, the left rear supporting rod and the right rear supporting rod in a rotating way.

In still other further preferred embodiments, the first connecting frame and the second connecting frame each further have a connecting portion, and the main body portion includes a left link and a right link extending in the front-rear direction and spaced apart from each other; the connecting part comprises a front cross rod and a rear cross rod, the front cross rod and the rear cross rod respectively extend along the left and right directions of the baby stroller, the front end part of the left connecting rod and the front end part of the right connecting rod are fixedly connected with the front cross rod, and the rear end part of the left connecting rod and the rear end part of the right connecting rod are fixedly connected with the rear cross rod;

the left end and the right end of the front cross rod of the first connecting frame are respectively and rotatably connected with the left front supporting rod and the right front supporting rod; the left end part and the right end part of the rear cross rod of the first connecting frame are respectively and rotatably connected with the lower end part of the left stay bar and the lower end part of the right stay bar;

the left end part and the right end part of the front cross rod of the second connecting frame are respectively and rotatably connected with the left push rod and the right push rod; the left end and the right end of the rear cross rod of the second connecting frame are respectively connected with the lower end of the left rear supporting rod and the lower end of the right rear supporting rod in a rotating manner.

Further preferably, the distance between the left connecting rod and the right connecting rod of the first connecting frame is smaller than the distance between the left connecting rod and the right connecting rod of the second connecting frame; and the left connecting rod and the right connecting rod of the first connecting frame respectively penetrate through the space between the left connecting rod and the right connecting rod of the second connecting frame.

In some embodiments according to the present invention, the rear portion of the main body portion of the first link and the front portion of the main body portion of the second link each have a bent portion, and the main body portion extends obliquely upward from the front to the rear in front of the bent portion, and the main body portion extends obliquely downward from the front to the rear in rear of the bent portion.

In some preferred embodiments according to the present invention, the push rod frame includes a lower push rod, an upper push rod and a push handle rod, a lower portion of the lower push rod is rotatably connected to an upper portion of the front frame, a lower portion of the upper push rod is rotatably connected to an upper portion of the lower push rod, a lower portion of the push handle rod is rotatably connected to an upper portion of the upper push rod, and when the push rod frame is in the unfolded state, the extension directions of the lower push rod, the upper push rod and the push handle rod are the same; when the cart frame is in a folded state, the lower push rod, the upper push rod and the push handle rod are stacked in the up-down direction.

According to the utility model discloses an in some preferred embodiments, when the pushing away the frame by the expansion state to fold condition switch, pushing away frame, support frame, first link and second link draw close each other in the upper and lower direction, and the fore-stock rotates backward and is close to the after-poppet, and the after-poppet rotates forward and is close to the fore-stock, and when fold condition, the fore-stock is located between the rear wheel subassembly of both sides.

It is further preferred that the rear wheel assembly is larger than the front wheel assembly, that the height of the stroller frame after folding is less than the height of the rear wheel assembly, and that the top surface of the stroller frame is flush with or lower than the top surface of the rear wheel assembly.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses a children's shallow adopts new folding principle and the profile of front wheel subassembly in the front and back direction is no longer than the rear wheel subassembly after folding, and the shallow is small after folding, accomodates and convenient to carry.

Drawings

Fig. 1 is a schematic perspective view (in an expanded state) of a stroller according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 viewed from the direction A (to the left of the cart);

fig. 3 is a schematic perspective view of the stroller according to the embodiment of the present invention (the push rod frame is folded);

fig. 4 is a schematic view of the structure viewed from B (left of the cart) in fig. 3;

fig. 5 is a schematic perspective view of a stroller according to an embodiment of the present invention (the entire stroller frame is in the process of folding);

FIG. 6 is a schematic view of the structure of FIG. 5 as viewed in the direction C (to the left of the cart);

fig. 7 is a schematic structural view (folded state) of the stroller according to the embodiment of the present invention;

FIG. 8 is a schematic view of a portion of the structure of FIG. 1 as viewed along direction D;

in the drawings: 1. a cart frame; 10. a front bracket; 1a, a left front strut; 1b, a right front strut; 11. a rear bracket; 2a, a left rear supporting rod; 2b, a right rear support rod; 12. a push rod frame; 3a, a left push rod; 3b, a right push rod; 120. a lower push rod; 121. a push rod is arranged; 122. a handle pushing rod; 13. a support frame; 4a, a left stay bar; 4b, a right stay bar; 14. a first connecting frame; 15. a second link frame; 50. a main body part; 500. a left connecting rod; 501. a right connecting rod; 51. a connecting portion; 510. a front cross bar; 511. a rear cross bar;

2. a front wheel assembly;

3. a rear wheel assembly.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It should be noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

As shown in fig. 1-8, a particular foldable stroller is shown. The children's barrow comprises a stroller frame 1 with a folding state and an unfolding state, a front wheel assembly 2 and rear wheel assemblies 3 positioned at two sides of the lower part of the stroller frame 1.

Referring to fig. 1 to 7, the stroller frame 1 includes a front bracket 10, a rear bracket 11, a push rod frame 12, a support frame 13, a first connecting frame 14, and a second connecting frame 15, wherein the front bracket 10 includes a left front rod 1a and a right front rod 1b; the rear bracket 11 comprises a left rear support rod 2a and a right rear support rod 2b; the push rod frame 12 comprises a left push rod 3a and a right push rod 3b, wherein the left push rod 3a and the right push rod 3b respectively comprise a lower push rod 120, an upper push rod 121 and a push handle rod 122; the support frame 13 comprises a left support rod 4a and a right support rod 4b; the first connecting frame 14 and the second connecting frame 15 each have a main body portion 50 and a connecting portion 51, wherein the main body portion 50 includes a left link 500 and a right link 501 extending along the front-rear direction and disposed at an interval, and the connecting portion 51 includes a front cross bar 510 and a rear cross bar 511 extending along the left-right direction of the stroller; the front wheel assemblies 2 form a group; the two groups of rear wheel assemblies 3 are respectively positioned at two sides of the cart frame 1, wherein the outer contour of the rear wheel assemblies is obviously larger than that of the front wheel assemblies 2.

Referring to fig. 1 and 2, the front wheel assembly 2 is disposed at the bottom of the front bracket 10, the rear wheel assembly 3 is disposed at the bottom of the rear bracket 11, the lower portion of the push rod frame 12 is rotatably connected to the upper portion of the front bracket 10, and the upper end portion and the lower end portion of the support frame 13 are rotatably connected to the lower portion of the push rod frame 12 and the upper portion of the rear bracket 11, respectively; the front part of the first connecting frame 14 is rotatably connected with the front bracket 10, and the rear part of the first connecting frame 14 is rotatably connected with the supporting frame 13; the front part of the second connecting frame 15 is rotatably connected with the lower part of the push rod frame 12, and the rear part of the second connecting frame 15 is rotatably connected with the rear support 11.

The rotation axes of the two parts connected in rotation extend along the left and right direction of the stroller, wherein the rotation axis between the lower end of the support frame 13 and the upper part of the rear support frame 11 coincides with the rotation axis between the lower end of the support frame 13 and the rear part of the first connecting frame 14, the rotation axis between the lower part of the push rod frame 12 and the upper part of the front support frame 10 coincides with the rotation axis between the lower part of the push rod frame 12 and the front part of the second connecting frame 15. The arrangement can reduce the rotating shaft components, optimize the structure of the cart and facilitate the assembly and use of the cart.

Specifically, the front end portions of the left front support rod 1a and the right front support rod 1b are respectively connected to two sides of the front wheel assembly 2, the rear end portions of the left front support rod 1a and the right front support rod 1b are respectively rotatably connected to the lower end portion of the left push rod 3a, the lower end portion of the right push rod 3b, and the left end portion and the right end portion of the front cross rod 510 of the second connecting frame 15, and the middle portions of the left front support rod 1a and the right front support rod 1b are respectively rotatably connected to the left end portion and the right end portion of the front cross rod 510 of the first connecting frame 14. The rear end parts of the left rear supporting rod 2a and the right rear supporting rod 2b are respectively connected with a rear wheel assembly 3, the front end parts of the left rear supporting rod 2a and the right rear supporting rod 2b are respectively connected with the lower end parts of the left supporting rod 4a and the right supporting rod 4b and the left end part and the right end part of the rear cross rod 511 of the first connecting frame 14 in a rotating mode, and the middle parts of the left rear supporting rod 2a and the right rear supporting rod 2b are respectively connected with the left end part and the right end part of the rear cross rod 511 of the second connecting frame 15 in a rotating mode. The lower part of the lower push rod 120 is rotatably connected with the upper part of the front bracket 10, the lower part of the upper push rod 121 is rotatably connected with the upper part of the lower push rod 120, and the lower part of the push handle rod 122 is rotatably connected with the upper part of the upper push rod 121. The upper end parts of the left stay bar 4a and the right stay bar 4b are also respectively and rotatably connected with the middle parts of the lower push rods 120 of the left push rod 3a and the right push rod 3 b. The rear portion of the main body portion 50 of the first connecting frame 14 and the front portion of the main body portion 50 of the second connecting frame 15 respectively have a bending portion, the main body portion 50 extends obliquely upward from front to back in front of the bending portion, the main body portion 50 extends obliquely downward from front to back in back of the bending portion, wherein the front end portion of the left link 500 and the front end portion of the right link 501 are fixedly connected with the front crossbar 510, the rear end portion of the left link 500 and the rear end portion of the right link 501 are fixedly connected with the rear crossbar 511, the distance between the left link 500 and the right link 501 of the first connecting frame 14 is smaller than the distance between the left link 500 and the right link 501 of the second connecting frame 15, and the left link 500 and the right link 501 of the first connecting frame 14 respectively pass through a space between the left link 500 and the right link 501 of the second connecting frame 15 (see fig. 3, 5 and 8).

The folding process of the stroller of the embodiment is as follows:

when the stroller frame 1 is in the unfolded state, referring to fig. 1 and 2, the front support 10, the rear support 11, the stroller frame 12, the support frame 13, the first connecting frame 14, and the second connecting frame 15 are unfolded relatively, wherein the front support 10 and the stroller frame 12 extend in the up-down direction and incline upward from front to back, respectively, and the left front support rod 1a, the right front support rod 1b, the lower push rod 120, the upper push rod 121, and the handle push rod 122 extend in the same direction; the supporting frame 13 and the rear supporting frame 11 respectively extend along the up-down direction and incline downwards from front to back, the front wheel assembly 2 and the rear wheel assembly 3 are respectively positioned at the front part and the rear part of the push rod frame 1, and the joint of the second connecting frame 15 and the push rod frame 12 is positioned at the back upper part of the joint of the first connecting frame 14 and the front supporting frame 10; the junction of the second connecting frame 15 and the rear support 11 is located behind and below the junction of the first connecting frame 14 and the support frame 13.

When the stroller frame 1 is switched from the unfolded state to the folded state, first, the stroller frame 12 is folded, specifically, the handle bar 122 is rotated downward and forward to rotate the handle bar close to the upper push rod 121, and then the upper push rod 121 is turned upward and forward to approach the lower push rod 120, at this time, the handle bar 122, the upper push rod 121 and the lower push rod 120 are stacked from top to bottom in sequence, and at this time, the stroller state is as shown in fig. 3 and 4. Further, referring to fig. 5 and 6, the push rod frame 12 is pressed downward to make the push rod frame 12, the support frame 13, the first connecting frame 14 and the second connecting frame 15 close to each other in the up-down direction, wherein the support frame 13 rotates backward and upward around the rotation axis between the support frame 13 and the lower push rod 120 to pull the first connecting frame 14 to move backward, the first connecting frame 14 further pulls the front bracket 10 to rotate backward around the rotation axis between the front bracket 10 and the lower push rod 120 to be close to the rear bracket 11, and at the same time, the second connecting frame 15 rotates forward to pull the rear bracket 11 to rotate forward around the rotation axis between the rear bracket 11 and the support frame 13 to be close to the front bracket 10, and in the process, the front wheel assembly 2 and the rear wheel assembly 3 gradually close to each other until finally, the push rod frame 1 is in the fully folded state.

Referring to fig. 7, when the stroller frame 1 is in a folded state, the lower push rod 120, the upper push rod 121 and the push handle rod 122 are sequentially stacked from bottom to top, the front bracket 10, the rear bracket 11, the push rod frame 12, the support frame 13, the first connecting frame 14 and the second connecting frame 15 are close to each other, the height of the folded stroller frame 1 is less than that of the rear wheel assembly 3, and the top surfaces of the stroller frame 1 and the rear wheel assembly 3 are lower than that of the rear wheel assembly 3; the front wheel assembly 2 is positioned between the rear wheel assemblies 3 on two sides, and the contour of the front wheel assembly 2 does not exceed the contour of the rear wheel assemblies 3 in the front-back direction of the baby stroller. Obviously, the folded cart is small in size and convenient to store and carry.

In addition to the above embodiments, in other embodiments, the front portion of the left link 500 and the front portion of the right link 501 of the first link 14 may be directly and rotatably connected to the left front strut 1a and the right front strut 1b, respectively, or the front portion of the left link 500 and the front portion of the right link 501 and the four of the left front strut 1a and the right front strut 1b may be provided to be co-pivotally connected. Accordingly, the rear portion of the left link 500 and the rear portion of the right link 501 are pivotally connected to the lower end portion of the left stay 4a and the lower end portion of the right stay 4b, respectively, or the rear portion of the left link 500, the rear portion of the right link 501, the lower end portion of the left stay 4a and the lower end portion of the right stay 4b are pivotally connected together. Similarly, the front portion of the left link 500 and the front portion of the right link 501 of the second link 15 may be directly pivotally connected to the left push rod 3a and the right push rod 3b, respectively, or the front portion of the left link 500, the front portion of the right link 501, the left push rod 3a, and the right push rod 3b may be provided to be pivotally connected together; accordingly, the rear portion of the left link 500 and the rear portion of the right link 501 are pivotally connected to the left rear strut 2a and the right rear strut 2b, respectively, or the rear portion of the left link 500 and the rear portion of the right link 501 and the four rear left strut 2a and the right rear strut 2b are pivotally connected together.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (11)

1. The utility model provides a children's shallow, its includes shallow frame, front wheel subassembly, is located the rear wheel subassembly of shallow frame lower part both sides, shallow frame has fold condition and expansion state, shallow frame includes fore-stock, after-poppet and push rod frame, the front wheel subassembly is located the bottom of fore-stock, the rear wheel subassembly is located the bottom of after-poppet, the lower part of push rod frame with the upper portion of fore-stock is rotated and is connected its characterized in that:

the shallow frame still includes support frame, first link and second link, wherein: the upper end part and the lower end part of the support frame are respectively and rotatably connected with the lower part of the push rod frame and the upper part of the rear support; the front part of the first connecting frame is rotationally connected with the front support, and the rear part of the first connecting frame is rotationally connected with the support frame; the front part of the second connecting frame is rotationally connected with the lower part of the push rod frame, and the rear part of the second connecting frame is rotationally connected with the rear support;

when the push frame is in a unfolding state, the front support, the rear support, the push rod frame, the support frame, the first connecting frame and the second connecting frame are unfolded relatively, the support frame and the rear support extend along the up-down direction and incline downwards from front to back respectively, the front support and the push rod frame extend along the up-down direction and incline upwards from front to back respectively, and the front wheel assembly and the rear wheel assembly are positioned at the front part and the rear part of the push frame respectively; when the stroller frame is in a folded state, the front support, the rear support, the push rod frame, the support frame, the first connecting frame and the second connecting frame are close to each other, the front wheel assembly and the rear wheel assembly are close to each other, and in the front-rear direction of the stroller, the outline of the front wheel assembly does not exceed the outline of the rear wheel assembly.

2. The stroller of claim 1, wherein: a rotating axis line between the lower end part of the support frame and the upper part of the rear bracket and a rotating axis line between the lower end part of the support frame and the rear part of the first connecting frame are superposed; and/or a rotating axis line between the lower part of the push rod frame and the upper part of the front bracket and a rotating axis line between the lower part of the push rod frame and the front part of the second connecting frame are superposed; and/or the rotating axes of the two parts which are connected in a rotating way randomly extend along the left and right directions of the baby stroller.

3. The stroller of claim 1, wherein: when the push frame is in an unfolded state, the joint of the second connecting frame and the push frame is positioned at the rear upper part of the joint of the first connecting frame and the front bracket; the joint of the second connecting frame and the rear support is positioned behind and below the joint of the first connecting frame and the support frame.

4. The stroller of claim 1, wherein: the front support comprises a left front support rod and a right front support rod, the rear support comprises a left rear support rod and a right rear support rod, the push rod support comprises a left push rod and a right push rod, and the support frame comprises a left support rod and a right support rod;

the front end parts of the left front supporting rod and the right front supporting rod are respectively connected with two sides of the front wheel assembly, and the rear end parts of the left front supporting rod and the right front supporting rod are respectively rotatably connected with the lower end part of the left push rod and the lower end part of the right push rod; the rear end parts of the left rear supporting rod and the right rear supporting rod are respectively connected with the rear wheel assemblies, and the front end parts of the left rear supporting rod and the right rear supporting rod are respectively rotatably connected with the lower end parts of the left supporting rod and the right supporting rod;

the first link and the second link each have a main body portion extending in a front-rear direction of the stroller.

5. The stroller of claim 4, wherein: the first connecting frame and the second connecting frame respectively comprise a left connecting part and a right connecting part;

in the first connecting frame, the front part of the left connecting part and the front part of the right connecting part are respectively and rotatably connected with the left front supporting rod and the right front supporting rod, or the front part of the left connecting part, the front part of the right connecting part, the left front supporting rod and the right front supporting rod are in pivot rotation connection; the rear part of the left connecting part and the rear part of the right connecting part are respectively and rotatably connected with the lower end part of the left stay bar and the lower end part of the right stay bar, or the rear part of the left connecting part, the rear part of the right connecting part, the lower end part of the left stay bar and the lower end part of the right stay bar are rotatably connected;

in the second connecting frame, the front part of the left connecting part and the front part of the right connecting part are respectively and rotatably connected with the left push rod and the right push rod, or the front part of the left connecting part, the front part of the right connecting part, the left push rod and the right push rod are rotatably connected with a pivot; the rear portion of the left connecting portion, the rear portion of the right connecting portion respectively with the left rear strut the right rear strut is connected, perhaps, the rear portion of the left connecting portion, the rear portion of the right connecting portion, the left rear strut, the right rear strut are connected in a rotating manner.

6. The stroller of claim 4, wherein: the first connecting frame and the second connecting frame are respectively provided with a connecting part, and the main body part comprises a left connecting rod and a right connecting rod which extend along the front-back direction and are spaced; the connecting part comprises a front cross rod and a rear cross rod, the front cross rod and the rear cross rod respectively extend along the left and right directions of the baby stroller, the front end part of the left connecting rod and the front end part of the right connecting rod are fixedly connected with the front cross rod, and the rear end part of the left connecting rod and the rear end part of the right connecting rod are fixedly connected with the rear cross rod;

the left end and the right end of the front cross rod of the first connecting frame are respectively and rotatably connected with the left front supporting rod and the right front supporting rod; the left end and the right end of the rear cross rod of the first connecting frame are respectively and rotatably connected with the lower end of the left support rod and the lower end of the right support rod;

the left end part and the right end part of the front cross rod of the second connecting frame are respectively and rotatably connected with the left push rod and the right push rod; the left end and the right end of the rear cross rod of the second connecting frame are respectively connected with the lower end of the left rear supporting rod and the lower end of the right rear supporting rod in a rotating mode.

7. The stroller of claim 6, wherein: the distance between the left connecting rod and the right connecting rod of the first connecting frame is smaller than the distance between the left connecting rod and the right connecting rod of the second connecting frame; and the left connecting rod and the right connecting rod of the first connecting frame respectively penetrate through the space between the left connecting rod and the right connecting rod of the second connecting frame.

8. Child stroller according to any one of claims 4 to 7, characterized in that: the rear part of the main body part of the first connecting frame and the front part of the main body part of the second connecting frame are respectively provided with a bending part, the main body part obliquely extends upwards from front to back in front of the bending part, and the main body part obliquely extends downwards from front to back in back of the bending part.

9. The stroller of claim 1, wherein: the push rod frame comprises a lower push rod, an upper push rod and a push handle rod, the lower part of the lower push rod is rotatably connected with the upper part of the front support, the lower part of the upper push rod is rotatably connected with the upper part of the lower push rod, the lower part of the push handle rod is rotatably connected with the upper part of the upper push rod, and when the push rod frame is in an unfolded state, the extension directions of the lower push rod, the upper push rod and the push handle rod are consistent; when the pushing frame is in a folded state, the lower push rod, the upper push rod and the pushing handle rod are stacked in the up-down direction.

10. Child stroller according to any of claims 1-7, 9, characterized in that: when the push frame is switched from an unfolded state to a folded state, the push frame, the support frame, the first connecting frame and the second connecting frame are mutually close in the vertical direction, the front support rotates backwards to be close to the rear support, the rear support rotates forwards to be close to the front support, and when the push frame is switched from the unfolded state to the folded state, the front wheel assemblies are located between the rear wheel assemblies on two sides.

11. The stroller of claim 10, wherein: the rear wheel assembly is larger than the front wheel assembly, the height of the push frame after being folded is smaller than that of the rear wheel assembly, and the top surface of the push frame is flush with or lower than that of the rear wheel assembly.

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