CN215663608U

CN215663608U - Children's barrow

Info

Publication number: CN215663608U
Application number: CN202121350982.9U
Authority: CN
Inventors: 王二伟; 谈太平
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-28
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a children cart which comprises a cart frame, a front wheel assembly and a rear wheel assembly, wherein the cart frame comprises a foldable bottom support and a push rod frame which is arranged on the bottom support in a relatively sliding manner along the length direction of the cart frame, the front wheel assembly and the rear wheel assembly are arranged at the bottom of the bottom support, the push rod frame comprises a lower push rod and an upper push rod which are arranged in a relatively sliding manner, the children cart has a towing use state, when the children cart is in the towing use state, the bottom support is folded, the front wheel assembly and the rear wheel assembly are folded along the front-back direction, the front wheel assembly and/or the rear wheel assembly are supported on the ground, the lower push rod is folded relative to the bottom support, and the upper push rod is extended relative to the lower push rod. The stroller occupies small space after being folded, and the stroller after being folded can be dragged, so that the transportation process is convenient.

Description

Children's barrow

Technical Field

The utility model relates to a baby stroller.

Background

The existing stroller is often foldable for the purpose of facilitating storage and transportation. The folded stroller occupies a small space, but still requires the user to carry the stroller during transportation, which imposes a heavy burden on the user's operation. It is an endeavor of those skilled in the art to design and manufacture a stroller that has a small volume after being folded and can be easily transported.

Disclosure of Invention

The utility model aims to provide a novel child stroller.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a children's shallow, includes frame, front wheel subassembly and rear wheel subassembly, the frame is including the bottom bracket that can fold up to and set up along self length direction ground with sliding relatively on the bottom bracket push rod frame, the front wheel subassembly with the rear wheel subassembly is all located the bottom of bottom bracket, push rod frame is including push down rod and the last push rod that can slide relatively set up, children's shallow has the service condition that drags the line, and under being in the service condition that drags the line, the bottom bracket is folded up, the front wheel subassembly with the rear wheel subassembly is drawn in along the fore-and-aft direction, the front wheel subassembly and/or the rear wheel subassembly supports in ground, the push down rod is relative the bottom bracket draws in, the last push rod is relative the extension of push down the pole.

Preferably, the bottom bracket includes a front bracket and a rear bracket which are rotatably connected to each other, the front bracket gradually extends upward and slantwise from front to back, the rear bracket gradually extends upward and slantwise from back to front, the front wheel assembly is disposed at the bottom of the front bracket, the rear wheel assembly is disposed at the bottom of the rear bracket, the lower push rod can be slidably disposed along the length extending direction of the lower push rod relative to the front bracket or the rear bracket, when the stroller is in the towing use state, the lower push rod, the front bracket and the rear bracket are folded with each other, and the upper push rod gradually extends upward and backwards from the upper portion of the lower push rod.

Further, when the stroller is in the towing use state, the length extending direction of the upper push rod is parallel to the length extending direction of the front support, or the upper push rod and the front support extend along the same length direction.

Furthermore, the lower push rod can be arranged on the front support in a relatively sliding manner along the length extension direction of the lower push rod, and a guide structure for providing sliding guide for the lower push rod is arranged on the front support.

Furthermore, the upper part of the front bracket is provided with a front connecting part, the guide structure comprises a guide hole arranged on the front connecting part, the lower push rod is inserted into the guide hole in a sliding fit manner, and the lower part of the upper push rod can be inserted into the lower push rod in a relatively sliding manner.

Preferably, the lower push rod has an open state extending upward relative to the bottom bracket and a retracted state folded relative to the bottom bracket, when the stroller is in the towed use state, the lower push rod is in the retracted state, and a push rod locking mechanism for locking the lower push rod in the open state or the retracted state is further disposed between the bottom bracket and the lower push rod.

Further preferably, the push rod locking mechanism comprises a locking member which is arranged on the bottom bracket in a manner of relatively translating along the left-right direction, at least two locking holes which are arranged on the lower push rod one above the other, and an elastic member which provides acting force required by the locking member to move towards the lower push rod, wherein when the push rod locking mechanism is in a locking state, the locking member is correspondingly inserted into one of the locking holes in a matched manner.

Further preferably, the lower portion of the upper push rod is inserted into the lower push rod in a manner of relatively sliding along the length extending direction of the upper push rod, the locking member is provided with a locking portion capable of being inserted into the locking hole in a matching manner, the locking portion is provided with an inclined surface inclining downwards from inside to outside, and the upper push rod pushes against the inclined surface downwards and is linked with the push rod locking mechanism to unlock in the process that the upper push rod slides and shortens relative to the lower push rod.

In a preferred embodiment, the stroller further comprises a foldable seat pocket disposed on the bottom bracket, the stroller further has a self-standing use state, the seat pocket and the bottom bracket are respectively folded and folded away from each other when the stroller is in the self-standing use state, and the seat pocket and the front wheel assembly and/or the rear wheel assembly are supported on the ground together.

Still further preferably, the seat pocket frame includes a backrest and a seat rotatably connected to each other, the base frame includes a front frame and a rear frame, an upper portion of the front frame, an upper portion of the rear frame, a lower portion of the backrest, and a rear portion of the seat are rotatably connected around a same rotation center line, wherein the upper portion of the backrest and the rear wheel assembly are supported on the ground together when the stroller is in the self-standing use state.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the stroller occupies small space after being folded, and the stroller after being folded can be dragged, so that the transportation process is convenient.

Drawings

FIG. 1 is a first schematic, exploded view of the stroller of the present invention;

FIG. 2 is a second schematic structural exploded view of the stroller of the present invention;

FIG. 3 is a second schematic front view of the stroller of the present invention;

FIG. 4 is a schematic cross-sectional view of the push down lever corresponding to A-A of FIG. 3 in an open position;

FIG. 5 is a schematic cross-sectional view of the push down lever corresponding to A-A of FIG. 3 in a stowed state;

FIG. 6 is a schematic side view of the stroller of the present invention with the lower push rod in a stowed position;

FIG. 7 is a schematic cross-sectional view of the push rod locking mechanism corresponding to B-B of FIG. 6 in an unlocked state;

FIG. 8 is an enlarged fragmentary schematic view of the stroller of the present invention corresponding to position E in FIG. 7;

FIG. 9 is a schematic side view of the stroller of the present invention with the lower push rod in an open position;

FIG. 10 is a schematic cross-sectional view of the push rod locking mechanism corresponding to C-C of FIG. 9 in a locked state;

FIG. 11 is an enlarged fragmentary view of the stroller of the present invention corresponding to position F in FIG. 10;

FIG. 12 is a schematic side view of the stroller of the present invention in a push-to-use position;

FIG. 13 is a schematic three-dimensional view of the stroller of the present invention in a pushing position;

FIG. 14 is a schematic side view of the stroller of the present invention in a transition from the push-to-use position to the self-supporting use position;

fig. 15 is a first three-dimensional perspective view of the stroller of the present invention when it is converted from a pushing use state to a self-standing use state;

FIG. 16 is a schematic side view of the stroller of the present invention in a transition from the push-to-use position to the self-supporting use position;

fig. 17 is a schematic three-dimensional view of the stroller of the present invention when the stroller is shifted from the push use state to the self-standing use state;

FIG. 18 is a side elevational view of the stroller of the present invention in a free-standing use position;

FIG. 19 is a schematic three-dimensional view of the stroller of the present invention in a self-supporting use position;

FIG. 20 is a first schematic side view of the stroller of the present invention in a towing configuration;

FIG. 21 is a first three-dimensional perspective view of the stroller of the present invention in a towed use position;

FIG. 22 is a second schematic side view of the stroller of the present invention in a towing configuration;

FIG. 23 is a schematic three-dimensional view of a stroller of the present invention in a towing position;

wherein: 100. a frame; 200. a front wheel assembly; 300. a rear wheel assembly;

1. a front bracket; 11. a front support rod; 12. a front connecting part;

2. a rear bracket; 21. a rear support rod; 22. a rear connection portion;

3. a push rod frame; 31. a lower push rod; 31a, a lock hole; 32. a push rod is arranged; 33. a handle bar;

4. a push rod locking mechanism; 41. a locking member; 41a, a locking part; 42. an elastic member; 43. assembling a seat; 43a, a fixing hole; 44. assembling a pipe;

5. a seat pocket frame; 51. a backrest; 52. a seat;

a. a first rotational centerline.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.

The description of the up-down, left-right, front-back, inner-outer, etc. directions herein is defined according to the up-down, left-right, front-back, inner-outer, etc. directions observed by the child seated on the stroller.

A stroller, as shown in fig. 1 and 2, comprises a stroller frame 100, a front wheel assembly 200 and a rear wheel assembly 300, wherein the stroller frame 100 comprises a foldable bottom bracket, the front wheel assembly 200 and the rear wheel assembly 300 are both arranged at the bottom of the bottom bracket, specifically, the bottom bracket comprises a front bracket 1 and a rear bracket 2 which are rotatably connected with each other, the front wheel assembly 200 is arranged at the bottom of the front bracket 1, and the rear wheel assembly 300 is arranged at the bottom of the rear bracket 2. The children's barrow has a pushing using state.

In a pushing use state, the front bracket 1 gradually extends upward and slantwise from front to back, the rear bracket 2 gradually extends upward and slantwise from back to front, the front bracket 1 comprises two front support rods 11 which are respectively arranged at the left side and the right side of the frame 100 and respectively extend upward and slantwise from front to back, and the rear bracket 2 comprises two rear support rods 21 which are respectively arranged at the left side and the right side of the frame 100 and respectively extend upward and slantwise from back to front. On each side in the left-right direction, the upper portion of the front strut 11 is provided with a front link 12, the upper portion of the rear strut 21 is provided with a rear link 22, and the front link 12 is rotatably connected with the rear link 22. The front wheel assemblies 200 are provided in two sets, the two sets of front wheel assemblies 200 are respectively provided at the bottoms of the two front struts 11, the two sets of rear wheel assemblies 300 are provided in two sets, and the two sets of rear wheel assemblies 300 are respectively provided at the bottoms of the two rear struts 21. The interval between the two sets of front wheel assemblies 200 in the left-right direction is smaller than the interval between the two sets of rear wheel assemblies 300 in the left-right direction.

Frame 100 also includes push rod frame 3 that is set on the bottom bracket in a way of relatively sliding along the length direction of itself, and push rod frame 3 includes lower push rod 31 and upper push rod 32 that are set in a way of relatively sliding. The lower push rods 31 have two parts respectively disposed at the left and right sides of the frame 100, the upper push rods 32 have two parts respectively disposed at the left and right sides of the frame 100, an upper push rod 32 is disposed at the upper part of each lower push rod 31, and specifically, each upper push rod 32 is slidably disposed in the rod cavity of the lower push rod 31 at the same side.

Referring to fig. 3 to 5, the push-down rod 31 is slidably disposed along the longitudinal direction of the push-down rod with respect to the front bracket 1 or the rear bracket 2. In this embodiment, the front bracket 1 is provided with a guide structure for guiding the lower push rod 31 in a sliding manner, and the lower push rod 31 is provided on the front bracket 1 in a manner of being capable of relatively sliding along the length extending direction thereof. Specifically, on each side in the left-right direction, the guide structure includes a guide hole 12a provided on the front connecting portion 12, the guide hole 12a extends obliquely upward from front to rear, and the lower push rod 31 is inserted in the guide hole 12a with a sliding fit in the direction in which the length of the guide hole 12a extends.

The stroller has a towing use state, and when the stroller is in the towing use state, the bottom bracket is folded, the front wheel assembly 200 and the rear wheel assembly 300 are folded along the front-rear direction, the front wheel assembly 200 and/or the rear wheel assembly 300 are supported on the ground, the lower push rod 31 is folded relative to the bottom bracket, and the upper push rod 32 is extended relative to the lower push rod 31.

The push-down rod 31 has an open state extended upward with respect to the base frame and a retracted state retracted with respect to the base frame. In the open state, the lower push rod 31 protrudes to the upper side of the front connecting portion 12 on each side in the left-right direction; in the stowed state, the lower push rod 31 projects to the lower side of the front link portion 12 on each side in the left-right direction. When the child stroller is in a pushing use state, the lower push rod 31 is in an open state, the lower push rod 31 extends out to the upper side of the front connecting part 12 on each side in the left-right direction, the upper push rod 32 extends out from the rod cavity of the lower push rod 31, and the lower push rod 31 and the upper push rod 32 extend relatively; when the child stroller is in the towing use state, the lower push rod 31 is in the stowed state, the length extending direction of the upper push rod 32 and the length extending direction of the front bracket 1 are parallel to each other, or the upper push rod 32 and the front bracket 1 extend in the same length direction, specifically, on each side in the left-right direction, the lower push rod 31 protrudes to the lower side of the front connecting portion 12, and the upper push rod 32 and the front bracket 11 extend in the same length direction.

A push rod locking mechanism 4 for locking the lower push rod 31 in the open state or the retracted state is further provided between the bottom bracket and the lower push rod 31. Specifically, in the present embodiment, the push rod locking mechanisms 4 have two sets respectively disposed on the left and right sides of the frame 100, and the two sets of push rod locking mechanisms 4 are both disposed on the same side of the front connecting portion 12.

Referring to fig. 6 to 11, the push lever lock mechanism 4 includes a lock member 41 provided on the bottom chassis so as to be relatively translatable in the left-right direction, and an elastic member 42 that provides a force necessary for the lock member 41 to move toward the push lever 31. Specifically in the present embodiment, referring to fig. 7 to 11, the push-rod locking mechanism 4 further includes, on each side in the left-right direction, a fitting seat 43 provided on the front connecting portion 12, the fitting seat 43 having a fitting pipe 44 and a fixing hole 43a, the fitting pipe 44 extending in the left-right direction, the fixing hole 43a extending downward from a housing located above the fitting seat 43 and penetrating the fitting pipe 44. The push-rod locking mechanism 4 further includes a stopper (not shown) slidably fitted into the fixing hole 43 a. Specifically, the locking member 41 is disposed in the lumen of the fitting tube 44 in a sliding fit along the longitudinal direction of the fitting tube 44, the stopper (not shown in the drawings) is located inside the locking member 41, and the elastic member 42 is disposed between the stopper (not shown in the drawings) and the locking member 41.

The push-rod lock mechanism 4 further includes at least two lock holes 31a provided one above the other on the lower push rod 31, and the lock member 41 has a lock portion 41a fittingly insertable into the lock holes 31 a. Specifically, in the present embodiment, the plunger lock mechanism 4 has two locking holes 31a, and the two locking holes 31a are respectively disposed at two different ends of the lower plunger 31 in the longitudinal direction. When the lower push rod 31 is in the open state, as shown in fig. 4, the lock portion 41a is inserted with sliding fit in the lock hole 31a on the lower side of the lower push rod 31; when the lower push rod 31 is in the stowed state, as shown in fig. 5, the lock portion 41a is inserted with sliding fit in the lock hole 31a located on the upper side of the lower push rod 31. Referring to fig. 6 to 8, the locking portion 41a has a slope extending from inside to outside in a downward slope, and during the sliding and shortening process of the upper push rod 32 relative to the lower push rod 31, the upper push rod 32 abuts against the slope downward to drive the locking member 41 to slide inward along the length direction of the assembly tube 44 until the locking portion 41a is separated from the locking hole 31a, and the push rod locking mechanism 4 is unlocked. After unlocking, the locking portion 41a abuts on the rod body of the lower push rod 31 in a manner of relatively sliding along the longitudinal direction of the lower push rod 31.

The stroller further includes a seat pocket 5 provided on the bottom bracket and foldable, and specifically, the seat pocket 5 includes a backrest 51 and a seat 52 rotatably connected to each other, and an upper portion of the front bracket 1, an upper portion of the rear bracket 2, a lower portion of the backrest 51, and a rear portion of the seat 52 are rotatably connected around a first rotation center line a horizontally extending in a left-right direction of the frame 100. When the stroller is in a pushing use state, the backrest 51 and the seat 52 are relatively unfolded, and the backrest 51 and the seat 52 jointly form a sitting and standing support part for seating a child; when the stroller is in the towing use state, the backrest 51 and the seat 52 are relatively rotatably folded together.

The stroller also has a self-standing use state, and when the stroller is in the self-standing use state, the seat pocket 5 and the bottom bracket are folded and folded, respectively, and the seat pocket 5 and the front wheel assembly 200 and/or the rear wheel assembly 300 are supported on the ground together. Specifically, in the present embodiment, when the stroller is in the self-standing use state, the backrest 51 and the seat 52 are folded together, and the folded backrest and the folded bottom bracket are folded together, at this time, the upper portion of the backrest 51 and the rear wheel assembly 300 are supported on the ground together in the pushing state.

The push rod frame 3 further includes a grip rod 33 provided between the upper ends of the two upper push rods 32 and extending in the left-right direction.

Three states of use of the stroller of the present invention are described below:

when the stroller is in a pushing use state, as shown in fig. 12 and 13, on each side in the left-right direction, the front rod 11 is unfolded relative to the rear rod 21, and the front wheel assembly 200 and the rear wheel assembly 300 are supported on the ground in an abutting manner. The lower push rod 31 extends to the rear side of the front connecting portion 12, a lock hole 31a located on the lower side of the lower push rod 31 is connected to the lock portion 41a in a fitting manner, the upper push rod 32 extends in the rod cavity of the lower push rod 31, and the lower push rod 31 and the upper push rod 32 extend relatively. The backrest 51 and the seat 52 are unfolded relatively, and the backrest 51 and the seat 52 together form a sitting support for seating a child, and at the moment, the pushing of the handle bar 33 can drive the stroller to move.

When the stroller is converted from the push use state to the self-standing use state, as shown in fig. 14 to 17, the backrest 51 is pushed forward, so that the backrest 51 gradually closes and folds with the seat 52 around the first rotation center line a, the folded seat frame 5 rotates downward around the first rotation center line a, and the seat frame 5 gradually closes with the front frame 1. Subsequently, the grip rod 33 is pushed downward, and the upper push rod 32 is gradually gathered into the rod cavity of the lower push rod 31 on each side in the left-right direction; continuously pushing the handle bar 33 downwards, separating the locking hole 31a at the lower side of the lower push rod 31 from the locking part 41a, gradually sliding the lower push rod 31 downwards obliquely from back to front along the guide hole 12a until the locking hole 31a at the upper side of the lower push rod 31 is connected with the locking part 41a in a matching way, and gradually drawing the lower push rod 31 and the front support rod 11 relatively in the process; the front support rod 11 rotates backwards around the first rotation center line a, the rear support rod 21 rotates forwards around the first rotation center line a, the front support rod 11 and the rear support rod 21 gradually get close relatively, and synchronously, the front wheel assembly 200 at the bottom of the front support rod 11 and the rear wheel assembly 300 at the bottom of the rear support rod 21 gradually get close relatively.

When the stroller is in a self-standing use state, as shown in fig. 18 and 19, the front frame 1 and the rear frame 2 are folded together, and the folded front frame 1 and the rear frame 2 extend in the up-down direction. At this time, the front wheel assembly 200 is higher than the rear wheel assembly 300 in the up-down direction at each side in the left-right direction, so that the rear wheel assembly 300 is supported against the bottom surface. The seat bag frame 5 after being folded is gathered at the front side of the frame 100 and is positioned between the two front stays 11 in the left-right direction, and the upper portion of the backrest 51 is positioned at the lower portion of the backrest 51 at this time in the pushing state, and the lower portion of the backrest 51 is abutted against the ground. Thanks to the common support of the backrest 51 and the rear wheel assembly 300, the stroller is able to stand free with respect to the ground. The child stroller occupies a small space in a self-standing use state and can stand on the ground in a self-standing manner, so that the child stroller can be stored and stored conveniently.

When the stroller is converted from the self-standing use state to the towing use state, referring to fig. 20 to 23, the handle bar 33 is pulled upward, the push rod frame 3 is extended upward, then the handle bar 33 is pulled backward, the frame 100 is driven to tilt backward, the backrest 51 is separated from the ground, the handle bar 33 is pulled backward continuously, and the stroller can be towed to travel. Benefit from this children's shallow can stand by oneself in ground, when dragging the line pause, can stand this children's shallow, improved this children's shallow use experience.

Specifically, when the child stroller is in a towing use state, the child stroller has a high towing gear and a low towing gear which can adapt to the user difference avatar. Referring to fig. 18 to 21, based on the process of converting the self-standing use state into the towing use state, the handle bar 33 is pulled upward, so that the upper push rod 32 protrudes from the rod cavity of the lower push rod 31, the locking hole 31a located at the upper side of the lower push rod 31 in the length direction is kept engaged with the locking portion 41a, and at this time, the stroller is in the low towing position, and the handle bar 33 is pulled rearward, so that the stroller can be towed to travel. Referring to fig. 18, 19, 22 and 23, based on the above process of converting the self-standing use state into the towing use state, the handle rod 33 is pulled upwards, the upper push rod 32 protrudes from the rod cavity of the lower push rod 31, the handle rod 33 is pulled upwards continuously, so that the lock hole 31a on the upper side of the lower push rod 31 is separated from the locking portion 41a, the lower push rod 31 gradually slides upwards along the guide hole 12a, and the lock hole 31a on the lower side of the lower push rod 31 is connected with the locking portion 41a in a matching manner, at this time, the stroller is in the high towing gear position, and the handle rod 33 is pulled backwards, so that the stroller can be towed to travel.

In conclusion, the stroller of the utility model occupies a small space after being folded, and the stroller after being folded can be towed, so that the transportation process is convenient.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, 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 not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, includes frame, front wheel subassembly and rear wheel subassembly, its characterized in that: the frame is including the undercarriage that can fold up to and set up along self length direction relative slip ground push rod frame on the undercarriage, the front wheel subassembly with the rear wheel subassembly is all located the bottom of undercarriage, push rod frame is including push rod and the last push rod down that can relative slip set up, children's shallow has the service condition of pulling, and under being in the service condition of pulling, the undercarriage folds up, the front wheel subassembly with the rear wheel subassembly is drawn in along the fore-and-aft direction, the front wheel subassembly and/or the rear wheel subassembly supports in ground, the push rod is relative the undercarriage is drawn in, it is relative to go up the push rod down the extension of push rod.

2. The stroller of claim 1, wherein: the bottom support comprises a front support and a rear support which are mutually rotatably connected, the front support gradually extends upwards in an inclined manner from front to back, the rear support gradually extends upwards in an inclined manner from back to front, the front wheel assembly is arranged at the bottom of the front support, the rear wheel assembly is arranged at the bottom of the rear support, the lower push rod can be arranged in a sliding manner relative to the front support or the rear support along the length extending direction of the lower push rod, when the child stroller is in the towing use state, the lower push rod, the front support and the rear support are mutually folded, and the upper push rod gradually extends upwards from the upper part of the lower push rod.

3. The stroller of claim 2, wherein: when the stroller is in the towing use state, the length extension direction of the upper push rod is parallel to the length extension direction of the front support, or the upper push rod and the front support extend along the same length direction.

4. The stroller of claim 2, wherein: the lower push rod can be arranged on the front support in a relatively sliding mode along the length extending direction of the lower push rod, and a guide structure for providing sliding guide for the lower push rod is arranged on the front support.

5. The stroller of claim 4, wherein: the upper portion of fore-stock has preceding connecting portion, guide structure includes setting up the guiding hole on the preceding connecting portion, the lower push rod is inserted in sliding fit ground in the guiding hole, the lower part of last push rod can be inserted relatively slidably in the lower push rod.

6. The stroller of claim 1, wherein: the lower push rod is provided with an opening state extending upwards relative to the bottom support and a retracting state retracting relative to the bottom support, when the stroller is in the towing use state, the lower push rod is in the retracting state, and a push rod locking mechanism used for locking the lower push rod in the opening state or the retracting state is further arranged between the bottom support and the lower push rod.

7. The stroller of claim 6, wherein: the push rod locking mechanism comprises a locking piece which can be arranged on the bottom bracket in a left-right direction in a relatively translation mode, at least two locking holes which are arranged on the lower push rod in a one-to-one mode, and an elastic piece which provides acting force required by the locking piece to move towards the lower push rod, and when the push rod locking mechanism is in a locking state, the locking piece is correspondingly inserted into one of the locking holes in a matched mode.

8. The stroller of claim 7, wherein: the lower portion of the upper push rod is inserted into the lower push rod in a relatively sliding mode along the length extending direction of the upper push rod, the locking piece is provided with a locking portion capable of being inserted into the locking hole in a matched mode, the locking portion is provided with an inclined surface which is inclined and extends downwards from inside to outside, and the upper push rod pushes against the inclined surface downwards and is linked with the push rod locking mechanism to unlock in the sliding and shortening process of the upper push rod relative to the lower push rod.

9. Child stroller according to any of claims 1 to 8, characterized in that: the stroller further comprises a foldable seat pocket frame arranged on the bottom support, the stroller is also in a self-standing use state, when the stroller is in the self-standing use state, the seat pocket frame and the bottom support are respectively folded and mutually folded, and the seat pocket frame and the front wheel assembly and/or the rear wheel assembly are jointly supported on the ground.

10. The stroller of claim 9, wherein: the seat pocket frame comprises a backrest and a seat which are rotatably connected with each other, the bottom support comprises a front support and a rear support, the upper portion of the front support, the upper portion of the rear support, the lower portion of the backrest and the rear portion of the seat are rotatably connected around the same rotation center line, and when the stroller is in the self-standing use state, the upper portion of the backrest and the rear wheel assembly are supported on the ground together.