Baby stroller

Abstract

The utility model discloses a baby stroller which comprises a frame module which comprises a front wheel mechanism, a rear wheel mechanism and a connecting rod mechanism, and the front end and the rear end of the connecting rod mechanism are connected with the front wheel mechanism and the rear wheel mechanism respectively. The rear brake module comprises a rear brake mechanism and a brake switch, the rear brake mechanism is arranged on the rear wheel mechanism, and the brake switch is rotationally arranged on the rear brake mechanism and used for controlling the rear brake mechanism to brake or release the rear wheel mechanism; and the front brake module is arranged on the front wheel mechanism and is linked with the brake switch. According to the baby stroller, the rear wheel mechanisms can be braked or released from the front side and the rear side of the stroller.

Description

TECHNICAL FIELD

[0001] The utility model relates to baby supplies technical field especially, a kind of baby stroller. BACKGROUND

[0002] At present, baby stroller on market is generally only set brake mechanism in rear wheel side, adult can push, pull stroller in front side or rear side. When adult pushes, pulls stroller in front side, cannot directly and quickly drive brake mechanism to brake or release brake, but need to brake or release brake by going around to rear side of stroller, inconvenient to operate, affect user experience. SUMMARY

[0003] The utility model aims at at least in certain extent solve one of the problems existing in prior art related, and for this purpose, the utility model provides a kind of baby stroller, from the front and rear sides of stroller, can realize brake or release brake to rear wheel mechanism.

[0004] According to the above-mentioned baby stroller, the following technical scheme is implemented:

[0005] A kind of baby stroller, comprising: car frame module, including front wheel mechanism, rear wheel mechanism and connecting rod mechanism, the front and rear ends of the connecting rod mechanism are connected with the front wheel mechanism and the rear wheel mechanism respectively;Rear brake module, including rear brake mechanism and brake switch, the rear brake mechanism is arranged on the rear wheel mechanism, the brake switch is rotationally arranged on the rear brake mechanism, for controlling the rear brake mechanism brake or release brake to the rear wheel mechanism;And front brake module, it is arranged on the front wheel mechanism and is linked with the brake switch.

[0006] In some embodiments, the rear brake mechanism includes a first brake assembly, a second brake assembly and a brake lever, the first brake assembly and the second brake assembly are arranged on the left and right sides of the lower end of the rear wheel mechanism respectively, and the brake lever is connected between the first brake assembly and the second brake assembly;The brake switch includes a brake pedal, a second rotating member and a connecting member, the brake pedal is rotationally arranged on the first brake assembly, the second rotating member is rotationally arranged in the second brake assembly, and the second rotating member is linked with the brake pedal through the connecting member;The front brake module is linked with the brake pedal or the second rotating member.

[0007] In some embodiments, a cavity is provided in the first brake assembly, and an opening is formed in the outer wall of the first brake assembly to communicate with the cavity;The brake pedal includes a first rotating member and a foot pedal, the first rotating member is rotationally arranged in the cavity, and it is linked with the second rotating member through the connecting member, and the foot pedal is rotationally arranged outside the first brake assembly, and one end of the foot pedal penetrates the opening and is integrally formed with the first rotating member.

[0008] In another embodiment, the rear brake mechanism comprises a first brake assembly, a second brake assembly and a brake lever, the first brake assembly and the second brake assembly are respectively arranged on the left and right sides of the lower end of the rear wheel mechanism, and the brake lever is connected between the first brake assembly and the second brake assembly; the brake switch comprises a brake pedal, a release pedal and a connecting member, the brake pedal is rotatably arranged on the first brake assembly, the release pedal is rotatably arranged on the second brake assembly, and the release pedal is linked with the brake pedal through the connecting member; the front brake module is linked with the brake pedal and the release pedal.

[0009] In some embodiments, the front brake module comprises a front brake assembly and a front release assembly, the front brake assembly is arranged on the front wheel mechanism and linked with the brake switch, and the front release assembly is arranged on the front wheel mechanism and linked with the brake switch.

[0010] In some embodiments, the front brake assembly comprises a first fixed seat and a front brake pedal, the first fixed seat is fixedly connected to the front wheel mechanism, the front brake pedal is rotatably arranged on the first fixed seat, and the front brake pedal is linked with the brake switch through a first traction member; the front release assembly comprises a second fixed seat and a release pedal, the second fixed seat is fixedly connected to the front wheel mechanism, the release pedal is rotatably arranged on the second fixed seat, and the release pedal is linked with the brake switch through a second traction member.

[0011] In some embodiments, the first fixed seat is provided with a first accommodating groove, a first connecting shaft is arranged in the first accommodating groove, one end of the front brake pedal is rotatably arranged in the first accommodating groove and sleeved outside the first connecting shaft; and / or a first wire passing groove is arranged on the first fixed seat for the first traction member to pass through.

[0012] In some embodiments, the second fixed seat is provided with a second accommodating groove, a second connecting shaft is arranged in the second accommodating groove, one end of the release pedal is rotatably arranged in the second accommodating groove and sleeved outside the second connecting shaft; and / or a second wire passing groove is arranged on the second fixed seat for the second traction member to pass through.

[0013] In another embodiment, the front brake module comprises a mounting seat, a front brake pedal and a release pedal, the mounting seat is fixedly connected to the front wheel mechanism, the front brake pedal is rotatably arranged on the mounting seat and linked with the brake switch through a first traction member, and the release pedal is rotatably arranged on the mounting seat and linked with the brake switch through a second traction member.

[0014] In some embodiments, the front wheel mechanism comprises two front wheel groups and a front side rod group, the two front wheel groups are respectively installed on the left and right sides of the bottom of the front side rod group, and the front brake module is arranged on the front lower cross rod of the front side rod group; the rear wheel mechanism comprises two rear wheel groups and a rear side rod group, the two rear wheel groups are respectively installed on the left and right outer sides of the rear brake module, and the rear side rod group is installed on the top of the rear brake module; and the connecting rod mechanism is connected between the front side rod group and the rear side rod group.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] The utility model discloses a baby stroller, which is provided with a rear brake module on a rear wheel mechanism and a front brake module on a front wheel mechanism, and the brake switch of the rear brake mechanism is connected to the front brake module, so that the rear wheel mechanism can be braked or unbraked on both sides of the stroller, which is convenient to operate and improves the safety and user experience. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of baby stroller in the utility model embodiment;

[0018] Figure 2 It is the plan view of baby stroller in the utility model embodiment;

[0019] Figure 3 It is the structure schematic diagram of front wheel mechanism and front brake module in the utility model embodiment;

[0020] Figure 4 It is the structure schematic diagram of rear wheel mechanism and rear brake module in the utility model embodiment;

[0021] Figure 5 It is the structure schematic diagram of rear brake module in the utility model embodiment;

[0022] Figure 6 It is the explosion view of rear brake module after brake rod is omitted in the utility model embodiment;

[0023] Figure 7 It is the structure schematic diagram of front wheel mechanism lower end and front brake module in the utility model embodiment;

[0024] Figure 8 It is the explosion view of front brake module in the utility model embodiment.

[0025] In the drawing: 1 - front wheel mechanism, 11 - front wheel group, 12 - front side rod group, 121 - front lower cross rod, 13 - front push rod assembly;2 - rear wheel mechanism, 21 - rear wheel group, 22 - rear side rod group, 23 - rear push rod assembly;3 - connecting rod mechanism, 31 - upper folding rod group, 32 - lower folding rod group, 33 - U-shaped rod.

[0026] 4 - rear brake module, 41 - first brake assembly, 411 - cavity, 412 - opening, 42 - second brake assembly, 421 - connecting seat, 43 - brake lever, 44 - brake pedal, 441 - first rotating part, 442 - foot pedal, 443 - arc-shaped shielding part, 45 - second rotating part, 46 - connecting part;

[0027] 5 - front brake module, 51 - front brake assembly, 511 - first fixing seat, 5111 - first accommodating groove, 5112 - first connecting shaft, 5113 - first wire passing groove, 512 - front brake pedal, 513 - first traction part, 52 - front brake releasing assembly, 521 - second fixing seat, 5211 - second accommodating groove, 5212 - second connecting shaft, 5213 - second wire passing groove, 522 - brake releasing pedal, 523 - second traction part. DETAILED DESCRIPTION

[0028] The following examples are used to explain the present application, but the present application is not limited by these examples. Modifications to the specific embodiments of the present application or equivalent replacements to some technical features are made without departing from the spirit of the present application, which should be covered in the technical solution range claimed by the present application.

[0029] Example 1

[0030] Reference Figures 1-2 The present embodiment provides a baby stroller, which comprises a frame module (not shown in the figure) including a front wheel mechanism 1, a connecting rod mechanism 3 and a rear wheel mechanism 2 arranged in sequence in the front-rear direction, and the front-rear ends of the connecting rod mechanism 3 are connected to the front wheel mechanism 1 and the rear wheel mechanism 2, respectively. In the present embodiment, the connecting rod mechanism 3 can be switched between a folded state and an unfolded state, so that the baby stroller can be folded or unfolded, which is convenient for storage.

[0031] The baby stroller further comprises a rear brake module 4 and a front brake module 5, wherein the rear brake module 4 comprises a rear brake mechanism (not shown in the figure) and a brake switch (not shown in the figure), the rear brake mechanism is arranged on the rear wheel mechanism 2, and the brake switch is rotationally arranged on the rear brake mechanism and used to control the rear brake mechanism to brake or release the rear wheel mechanism 2, so that the user can brake or release at the rear side of the baby stroller. The front brake module 5 is arranged on the front wheel mechanism 1 and connected with the brake switch, and the front brake module 5 can drive the brake switch to rotate when braking or releasing, so as to control the rear brake mechanism to brake or release the rear wheel mechanism 2, so that the user can brake or release at the front side of the baby stroller. In the present embodiment, when the user drives the brake switch to rotate at the rear side of the baby stroller, the brake switch can drive the front brake module 5 to move back to the original position.

[0032] It can be seen that by arranging the rear brake module 4 on the rear wheel mechanism 2, arranging the front brake module 5 on the front wheel mechanism 1 and connecting the brake switch of the rear brake mechanism, adults can realize braking or unbraking of the rear wheel mechanism 2 on both sides of the stroller, which is convenient and fast, improves the safety and user experience.

[0033] Reference Figures 1-3 The front wheel mechanism 1 includes two front wheel groups 11 and a front side rod group 12. The two front wheel groups 11 are respectively arranged on the left and right sides of the bottom of the front side rod group 12. The front side rod group 12 has a frame structure, including a front lower horizontal rod 121, a front upper horizontal rod 122 and two front vertical rod groups 123. The front brake module 5 is arranged on the front lower horizontal rod 121 of the front side rod group 12. Further, a front push rod assembly 13 is arranged on the front side rod group 12. The front push rod assembly 13 is arranged vertically. The lower end of the front push rod assembly 13 is connected to the front lower horizontal rod 121 of the front side rod group 12, and the upper end is connected to the front upper horizontal rod 122 of the front side rod group 12. The upper end of the front push rod assembly 13 protrudes from the top of the front side rod group 12. A holding part higher than the top of the front side rod group 12 is arranged on the upper end of the front side rod group 12. This not only facilitates the user to push or pull the stroller on the front side, but also helps to strengthen the overall strength of the front side rod group 12.

[0034] Reference Figures 1-4 The rear wheel mechanism 2 includes two rear wheel groups 21 and a rear side rod group 22. The two rear wheel groups 21 are respectively arranged on the left and right sides of the top of the rear brake module 4. The rear side rod group 22 is arranged on the top of the rear brake module 4. Specifically, a connecting seat 421 extending upward is arranged on the left and right ends of the top of the rear brake module 4. The two connecting seats 421 of the rear brake module 4 are respectively connected to the left and right sides of the bottom of the rear side rod group 22, so as to stably and reliably install the rear side rod group 22 on the rear brake module 4. Further, a rear push rod assembly 23 is rotatably connected to the upper end of the rear side rod group 22. The rear push rod assembly 23 can be folded or unfolded relative to the rear side rod group 22, so as to facilitate the user to push or pull the stroller on the rear side. When the user does not use the stroller, the rear push rod assembly 23 can be folded and stored, thereby reducing the occupied space.

[0035] Reference Figure 1 The connecting rod mechanism 3 is connected between the front side rod group 12 and the rear side rod group 22. The connecting rod mechanism 3 includes an upper folding rod group 31 and a lower folding rod group 32 arranged side by side. The front and rear ends of the upper folding rod group 31 are respectively rotatably connected to the upper ends of the front side rod group 12 and the rear side rod group 22. The front and rear ends of the lower folding rod group 32 are respectively rotatably connected to the lower ends of the front side rod group 12 and the rear side rod group 22, so as to support the mattress. Thus, the upper folding rod group 31 and the lower folding rod group 32 can be switched between the folded state and the unfolded state.

[0036] Further, the connecting rod mechanism 3 further comprises two U-shaped rods 33, which are arranged in the shape of "eight", the upper and lower ends of the front U-shaped rod 33 are connected to the middle of the upper folding rod group 31 and the front side of the lower folding rod group 32 respectively, and the upper and lower ends of the rear U-shaped rod 33 are connected to the middle of the upper folding rod group 31 and the rear side of the lower folding rod group 32 respectively, so as to strengthen the overall strength of the connecting rod mechanism 3 or the whole vehicle, and also facilitate reliable connection and fixation of the bottom storage box through the two U-shaped rods 33.

[0037] Reference Figures 4-6 The rear brake mechanism comprises a first brake assembly 41, a second brake assembly 42 and a brake rod 43, the first brake assembly 41 and the second brake assembly 42 are arranged on the left and right sides of the lower end of the rear wheel mechanism 2 respectively, and the brake rod 43 is connected between the first brake assembly 41 and the second brake assembly 42, so that the first and second brake assemblies are connected as a whole. The brake switch comprises a brake pedal 44, a second rotating part 45 and a connecting part 46, the brake pedal 44 is rotatably arranged on the first brake assembly 41, and is used for controlling the first brake assembly 41 to brake or release the brake of one of the rear wheel groups 21 of the rear wheel mechanism 2; the second rotating part 45 is rotatably arranged in the second brake assembly 42, and the second rotating part 45 is linked with the brake pedal 44 through the connecting part 46, and in this embodiment, the connecting part 46 is two rear traction parts. Therefore, when the brake pedal 44 rotates towards the brake or release direction, the brake pedal 44 can not only control the first brake assembly 41 to brake or release the brake of one of the rear wheel groups 21 of the rear wheel mechanism 2, but also link the second rotating part 45 through the connecting part 46, so that the second rotating part 45 controls the second brake assembly 42 to brake or release the brake of the other rear wheel group 21 of the rear wheel mechanism 2, thereby realizing the brake or release of the brake of the two rear wheel groups 21 at the same time.

[0038] The front brake module 5 is linked with the brake pedal 44 or the second rotating part 45, and in this embodiment, the brake pedal 44 is linked with the front brake module 5 as an example. Therefore, the brake pedal 44 can not only link the second rotating part 45 through the connecting part 46 (i.e. two rear traction parts), but also link the front brake assembly 51 of the front brake module 5 through the first traction part, and link the front release assembly 52 of the front brake module 5 through the second traction part, that is, the brake pedal 44 is connected with four traction steel wires.

[0039] Specifically, the first brake assembly 41 is internally provided with a cavity 411, and an opening 412 communicating with the cavity 411 is formed in the outer wall of the first brake assembly 41. The brake pedal 44 comprises a first rotating member 441 and a foot pedal 442. The first rotating member 441 is rotationally arranged in the cavity 411 and is connected with the second rotating member 45 through the connecting member 46. The foot pedal 442 is rotationally arranged outside the first brake assembly 41 and is integrally formed at one end with the first rotating member 441. In this way, the rotation of the first and second rotating members can be controlled through the foot pedal 442, so as to control the brake or release of the rear wheel mechanism. Since the first rotating member 441 and the foot pedal 442 are integrally formed, the strength and assembly efficiency are improved. Further, an arc-shaped shielding portion 443 extending forward or backward is integrally formed at the lower end of the foot pedal 442. The arc-shaped shielding portion is located outside the first brake assembly 41 and covers part of the opening 412, so as to hide the exposed part of the opening 412, improve the appearance, and prevent impurities from entering the first brake assembly 41 through the exposed part of the opening to affect the brake or release function.

[0040] Reference Figure 3 and Figures 7-8 The front brake module 5 comprises a front brake assembly 51 and a front release assembly 52. The front brake assembly 51 is arranged on the front lower cross bar 121 of the front wheel mechanism 1 and is connected with the brake switch. When the front brake assembly 51 moves towards the brake direction, it can drive the brake switch to rotate towards the brake direction, so as to control the rear brake mechanism to brake the rear wheel mechanism 2, thereby realizing braking from the front side of the stroller. In addition, when the user drives the brake switch to rotate towards the release direction at the rear side of the stroller, the brake assembly can be driven to reset, so as to release the brake from the rear side of the stroller and drive the front brake assembly 51 to reset, facilitating the next brake through the front brake assembly 51 at the front side of the stroller.

[0041] The front release assembly 52 is arranged on the front lower cross bar 121 of the front wheel mechanism 1 and is connected with the brake switch. When the front release assembly 52 moves towards the release direction, it can drive the brake switch to rotate towards the release direction, so as to control the rear brake mechanism to release the brake of the rear wheel mechanism 2, thereby realizing release from the front side of the stroller. At the same time, the front release assembly 52 can drive the front brake assembly 51 through the brake switch, so as to make the front brake assembly 51 reset, thereby making the front release assembly 52 and the front brake assembly 51 jointly constitute a seesaw. In addition, when the user drives the brake switch to rotate towards the brake direction at the rear side of the stroller, the front release assembly 52 can be driven to reset, so as to brake the stroller from the rear side and drive the front release assembly 52 to reset, facilitating the next release through the front release assembly 52 at the front side of the stroller.

[0042] Reference Figures 7-8The front brake assembly 51 comprises a first fixing base 511 and a front brake pedal 512. The first fixing base 511 is fixedly connected to the front lower cross bar 121 of the front wheel mechanism 1. The front brake pedal 512 is rotatably arranged on the first fixing base 511. The front brake pedal 512 is linked with the brake switch through a first traction member 513. In this embodiment, the front brake pedal 512 is linked with the brake pedal 44 of the brake switch through the first traction member 513, so as to brake from the front side of the stroller through the front brake pedal 512. Specifically, the first fixing base 511 is provided with a first accommodating groove 5111. A first connecting shaft 5112 is arranged in the first accommodating groove 5111. One end of the front brake pedal 512 is rotatably arranged in the first accommodating groove 5111 and is sleeved on the first connecting shaft 5112. A first wire passing groove 5113 is formed in the first fixing base 511, through which the first traction member 513 passes, so as to position the first traction member through the first fixing base and facilitate wiring. It is particularly noted that the first fixing base 511 is composed of two independent parts. One part is integrally provided with the first connecting shaft 5112, so as to facilitate quick assembly of the front brake pedal 512 on the first fixing base.

[0043] Reference Figures 7-8 The front brake assembly 51 comprises a first fixing base 511 and a front brake pedal 512. The first fixing base 511 is fixedly connected to the front lower cross bar 121 of the front wheel mechanism 1. The front brake pedal 512 is rotatably arranged on the first fixing base 511. The front brake pedal 512 is linked with the brake switch through a first traction member 513. In this embodiment, the front brake pedal 512 is linked with the brake pedal 44 of the brake switch through the first traction member 513, so as to brake from the front side of the stroller through the front brake pedal 512. Specifically, the first fixing base 511 is provided with a first accommodating groove 5111. A first connecting shaft 5112 is arranged in the first accommodating groove 5111. One end of the front brake pedal 512 is rotatably arranged in the first accommodating groove 5111 and is sleeved on the first connecting shaft 5112. A first wire passing groove 5113 is formed in the first fixing base 511, through which the first traction member 513 passes, so as to position the first traction member through the first fixing base and facilitate wiring. It is particularly noted that the first fixing base 511 is composed of two independent parts. One part is integrally provided with the first connecting shaft 5112, so as to facilitate quick assembly of the front brake pedal 512 on the first fixing base.

[0044] Specifically, the second fixing seat 521 is provided with a second accommodating groove 5211, a second connecting shaft 5212 is arranged in the second accommodating groove 5211, and one end of the release brake pedal 522 is rotatably arranged in the second accommodating groove 5211 and sleeved on the second connecting shaft 5212; and / or the second fixing seat 521 is provided with a second wire passing groove 5213 through which the second traction member 523 passes. It is particularly pointed out that the second fixing seat 521 is composed of two independent parts, one of which is integrally provided with the second connecting shaft 5212, so that the release brake pedal 522 can be quickly assembled on the second fixing seat 521.

[0045] Embodiment 2

[0046] The difference between this embodiment and embodiment 1 is that the specific structure of the rear brake module 4 is different. The rear brake module 4 comprises a rear brake mechanism and a brake switch, the rear brake mechanism comprises a first brake assembly 41, a second brake assembly 42 and a brake lever 43, the first brake assembly 41 and the second brake assembly 42 are respectively arranged on the left and right sides of the lower end of the rear wheel mechanism 2, and are used to control the rear wheel mechanism 2 to brake or release the brake, so that the user can brake or release the brake at the rear side of the stroller, and the brake lever 43 is connected between the first brake assembly 41 and the second brake assembly 42.

[0047] The brake switch comprises a brake pedal, a release brake pedal and a connecting member 46, the brake pedal is rotatably arranged on the first brake assembly 41, the release brake pedal is rotatably arranged on the second brake assembly 42, and the release brake pedal is linked with the brake pedal through the connecting member 46, and the release brake pedal and the brake pedal jointly constitute a seesaw.

[0048] The front brake module 5 is linked with the brake pedal and the release brake pedal. Specifically, the front brake module 5 comprises a front brake assembly 51 and a front release brake assembly 52, the front brake assembly 51 is arranged on the front lower cross bar 121 of the front wheel mechanism 1 and is linked with the brake pedal of the brake switch, and the front release brake assembly 52 is arranged on the front lower cross bar 121 of the front wheel mechanism 1 and is linked with the release brake pedal of the brake switch.

[0049] Embodiment 3

[0050] The difference between this embodiment and embodiment 1 is that the specific structure of the front brake module 5 is different. The front brake module 5 comprises a mounting seat (not shown in the figure), a front brake pedal 512 and a release brake pedal 522, the mounting seat is fixedly connected to the front lower cross bar 121 of the front wheel mechanism 1, the front brake pedal 512 is rotatably arranged on the mounting seat and is linked with the brake switch through a first traction member 513, and the release brake pedal 522 is rotatably arranged on the mounting seat and is linked with the brake switch through a second traction member 523, so as to realize that the front brake pedal 512 and the release brake pedal 522 are rotatably connected on the same mounting seat and the number of parts is reduced. It is particularly pointed out that the front brake pedal 512 and the release brake pedal 522 can also be integrated.

[0051] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A stroller, characterized in that, The utility model provides a kind of electric bicycle, including: Frame module, including front wheel mechanism (1), rear wheel mechanism (2) and connecting rod mechanism (3), the front and rear ends of the connecting rod mechanism (3) are connected with the front wheel mechanism (1) and the rear wheel mechanism (2) respectively; Rear brake module (4), including rear brake mechanism and brake switch, the rear brake mechanism is arranged on the rear wheel mechanism (2), the brake switch is rotationally arranged on the rear brake mechanism, for controlling the rear brake mechanism to brake or release brake for the rear wheel mechanism (2); Front brake module (5) is arranged on the front wheel mechanism (1) and is linked with the brake switch.

2. A stroller according to claim 1, wherein, The rear brake mechanism includes first brake assembly (41), second brake assembly (42) and brake lever (43), the first brake assembly (41) and the second brake assembly (42) are arranged on the left and right sides of the lower end of the rear wheel mechanism (2) respectively, and the brake lever (43) is connected between the first brake assembly (41) and the second brake assembly (42); The brake switch includes brake pedal (44), second rotating part (45) and connecting part (46), the brake pedal (44) is rotationally arranged on the first brake assembly (41), the second rotating part (45) is rotationally arranged in the second brake assembly (42), and the second rotating part (45) is linked with the brake pedal (44) through the connecting part (46); The front brake module (5) is linked with the brake pedal (44) or the second rotating part (45).

3. A stroller according to claim 2, wherein, A cavity (411) is arranged in the first brake assembly (41), and an opening (412) communicating with the cavity (411) is formed in the outer wall of the first brake assembly (41); the brake pedal (44) includes a first rotating part (441) and a foot pedal (442), the first rotating part (441) is rotationally arranged in the cavity (411), and is linked with the second rotating part (45) through the connecting part (46), and the foot pedal (442) is rotationally arranged outside the first brake assembly (41), and one end of the foot pedal (442) penetrates through the opening (412) and is integrally formed with the first rotating part (441).

4. A stroller according to claim 1, wherein, The rear brake mechanism includes first brake assembly (41), second brake assembly (42) and brake lever (43), the first brake assembly (41) and the second brake assembly (42) are arranged on the left and right sides of the lower end of the rear wheel mechanism (2) respectively, and the brake lever (43) is connected between the first brake assembly (41) and the second brake assembly (42); The brake switch includes brake pedal, release brake pedal and connecting part (46), the brake pedal is rotationally arranged on the first brake assembly (41), the release brake pedal is rotationally arranged on the second brake assembly (42), and the release brake pedal is linked with the brake pedal through the connecting part (46); The front brake module (5) is linked with the brake pedal and the release brake pedal respectively.

5. A stroller according to any one of claims 1-4, characterized in that The front brake module (5) comprises a front brake assembly (51) and a front brake release assembly (52), the front brake assembly (51) is arranged on the front wheel mechanism (1) and is linked with the brake switch, and the front brake release assembly (52) is arranged on the front wheel mechanism (1) and is linked with the brake switch.

6. A stroller according to claim 5, wherein, The front brake assembly (51) comprises a first fixed seat (511) and a front brake pedal (512), the first fixed seat (511) is fixedly connected to the front wheel mechanism (1), the front brake pedal (512) is rotatably arranged on the first fixed seat (511), and the front brake pedal (512) is linked with the brake switch through a first traction member (513); The front brake release assembly (52) comprises a second fixed seat (521) and a brake release pedal (522), the second fixed seat (521) is fixedly connected to the front wheel mechanism (1), the brake release pedal (522) is rotatably arranged on the second fixed seat (521), and the brake release pedal (522) is linked with the brake switch through a second traction member (523).

7. A stroller according to claim 6, wherein, The first fixed seat (511) is provided with a first accommodating groove (5111), a first connecting shaft (5112) is arranged in the first accommodating groove (5111), one end of the front brake pedal (512) is rotatably arranged in the first accommodating groove (5111) and is sleeved outside the first connecting shaft (5112); and / or a first wire passing groove (5113) is arranged on the first fixed seat (511) for the first traction member (513) to pass through.

8. A stroller according to claim 6, wherein, The second fixed seat (521) is provided with a second accommodating groove (5211), a second connecting shaft (5212) is arranged in the second accommodating groove (5211), one end of the brake release pedal (522) is rotatably arranged in the second accommodating groove (5211) and is sleeved outside the second connecting shaft (5212); and / or a second wire passing groove (5213) is arranged on the second fixed seat (521) for the second traction member (523) to pass through.

9. A stroller according to any one of claims 1-4, characterized in that The front brake module (5) comprises a mounting seat, a front brake pedal (512) and a brake release pedal (522), the mounting seat is fixedly connected to the front wheel mechanism (1), the front brake pedal (512) is rotatably arranged on the mounting seat and is linked with the brake switch through a first traction member (513), and the brake release pedal (522) is rotatably arranged on the mounting seat and is linked with the brake switch through a second traction member (523).

10. A stroller according to claim 1, wherein, The front wheel mechanism (1) comprises two front wheel groups (11) and a front side rod group (12), the two front wheel groups (11) are respectively installed on the left and right sides of the bottom of the front side rod group (12), and the front brake module (5) is arranged on the front lower cross bar (121) of the front side rod group (12); The rear wheel mechanism (2) comprises two rear wheel groups (21) and a rear side rod group (22), the two rear wheel groups (21) are respectively installed on the left and right outer sides of the rear brake module (4), and the rear side rod group (22) is installed on the top of the rear brake module (4); The link mechanism (3) is connected between the front side rod group (12) and the rear side rod group (22).

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