Baby stroller capable of being automatically folded by one hand

Abstract

The utility model discloses a baby stroller capable of being automatically folded by one hand, which comprises a rear support rod component, a push rod component, a front support rod component, a rear connecting rod component, a seat plate component, a backrest component and a guardrail component, the push rod component consists of an upper push rod component and a lower push rod component, and a locking piece is arranged in the middle of the upper push rod component. The upper push rod assembly and the lower push rod assembly are rotationally connected through a first rotating point. The lower end of the push rod assembly is rotationally connected with the upper end of the rear supporting rod assembly and the upper end of the front supporting rod assembly through second rotating points. One end of the rear connecting rod assembly is rotatably connected with the rear supporting rod assembly, and the other end is slidably connected with the lower push rod assembly; the rear end of the seat plate assembly is rotationally connected with the backrest assembly, the lower end of the backrest assembly penetrates through a sliding groove in the seat plate assembly to be rotationally connected with the rear supporting rod assembly, the backrest assembly can slide along the sliding groove in the seat plate assembly, a user only needs to operate the upper push rod assembly with one hand to fold the stroller, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the field of infant products, and more specifically to a one-handed automatic folding baby stroller. Background Art

[0002] As a must-have baby product for modern families, baby strollers are constantly improving in design and technology. There are many types of baby strollers on the market, ranging from lightweight to full-featured, from twin strollers to running strollers. Most strollers are made of lightweight materials such as aluminum alloy or high-strength plastic to ensure that they are durable while also easy to carry and carry. The seat design of the stroller takes into account the comfort and safety of the baby, and is usually equipped with a five-point safety belt, an adjustable backrest and a sun canopy. In addition, modern strollers also focus on the design of the suspension system to reduce bumps and provide a smoother ride experience.

[0003] Despite the continuous advancement of technology, there are still some problems with existing baby strollers. The first is the weight and size of the stroller. Although lightweight strollers have greatly reduced the weight, full-featured strollers are still relatively bulky and inconvenient to carry. The second is the safety issue. Although most strollers are equipped with seat belts and brake systems, in actual use, they may still cause safety hazards due to design defects or improper use. In addition, although the storage space of the stroller is convenient, the location and capacity design often cannot meet the needs of all users, especially when going out for a long time, it may seem insufficient.

[0004] For parents, especially those traveling alone with their children, the convenience of a stroller is particularly important. However, many strollers require two hands to be operated when folding, and the steps are cumbersome, making it difficult to fold the stroller while holding a baby. This not only increases the burden on parents, but also affects travel efficiency and safety to a certain extent.

[0005] Therefore, in view of the above technical problems, it is necessary to provide a one-handed automatic folding baby stroller. Summary of the invention

[0006] The utility model aims to provide a one-handed automatic folding baby stroller to solve the above-mentioned problem.

[0007] In order to achieve the above purpose, the technical solution provided by the utility model is as follows:

[0008] A one-handed automatic folding baby stroller comprises a rear support rod assembly, a push rod assembly, a front support rod assembly, a rear connecting rod assembly, a seat plate assembly, a backrest assembly, and a guardrail assembly.

[0009] The push rod assembly is composed of an upper push rod assembly and a lower push rod assembly, a locking piece is provided in the middle of the upper push rod assembly, and the upper push rod assembly and the lower push rod assembly are rotatably connected through a first pivot point;

[0010] The lower end of the push rod assembly is rotatably connected to the upper end of the rear support rod assembly and the upper end of the front support rod assembly through a second pivot point;

[0011] One end of the rear connecting rod assembly is rotatably connected to the rear support rod assembly, and the other end of the rear connecting rod assembly is slidably connected to the lower push rod assembly;

[0012] The seat plate assembly is rotatably connected to the rear support rod assembly and the rear connecting rod assembly;

[0013] The rear end of the seat plate assembly is rotatably connected to the backrest assembly, and the lower end of the backrest assembly passes through the sliding groove on the seat plate assembly and is rotatably connected to the rear support rod assembly. The backrest assembly can slide along the sliding groove on the seat plate assembly.

[0014] As a further improvement of the utility model, a guide rail is provided inside the lower push rod assembly, and the rear connecting rod assembly can slide along the guide rail inside the lower push rod assembly.

[0015] As a further improvement of the present invention, the rear support rod assembly includes a pair of rear support rods, a first rear connecting rod and a second rear connecting rod are fixedly connected between the pair of rear support rods, and the rear wheel assembly is fixedly connected to the pair of rear support rods.

[0016] As a further improvement of the present invention, the upper push rod assembly includes a hand push rod, which is rotatably connected to the upper end of the lower push rod assembly, and the hand push rod is fixedly connected to a support bar at one end of the hand push rod close to the lower push rod assembly, and the front end of the hand push rod close to the lower push rod assembly is rotatably connected to an adjustment bar.

[0017] As a further improvement of the present invention, the front support rod assembly includes a pair of front support rods, which are rotatably connected to the lower end of the lower push rod assembly, a front connecting rod is fixedly connected between the pair of front support rods, and a pair of front wheel assemblies are respectively fixedly connected to the lower ends of the pair of front support rods.

[0018] As a further improvement of the present invention, the seat plate assembly includes a seat plate, which is installed between the push rod assembly and the front support rod assembly, the front end of the seat plate is rotatably connected to a pair of rotating plates, a strap is fixedly connected between the pair of rotating plates, a connecting rotating plate and a connecting plate are installed at the left and right ends of the seat plate, and the connecting rotating plate is rotatably connected to the first rear connecting rod of the rear support rod assembly, and the connecting plate is rotatably connected to the rear connecting rod assembly.

[0019] As a further improvement of the present invention, the backrest assembly includes a backrest plate, which is installed at the rear end of the seat plate assembly. The lower end of the backrest plate is rotatably connected to a pair of adjustment links, which can slide along a pair of sliding grooves on the seat plate assembly, and the lower ends of the pair of adjustment links are respectively rotatably connected to the two ends of the first rear link.

[0020] As a further improvement of the present utility model, the guardrail assembly includes a guardrail, a guardrail connecting rod, and a guardrail connecting piece. The guardrail is installed above the seat plate assembly. Both ends of the guardrail are respectively connected to the guardrail connecting rod. The lower end of the guardrail connecting rod is rotatably connected to the seat plate assembly, one end of the guardrail connecting piece is rotatably connected to the guardrail connecting rod, and the other end of the guardrail connecting piece is rotatably connected to the push rod assembly.

[0021] As a further improvement of the present invention, the rear wheel assembly includes a pair of main rear wheels, which are installed at the lower end of the rear support rod assembly. A connecting shaft is rotatably connected between the pair of main rear wheels, and the connecting shaft is fixedly connected to the rear support rod assembly, and a foot brake is fixedly connected to the side end of the connecting shaft.

[0022] Compared with the prior art, the advantages of the present invention are:

[0023] This solution realizes the foldable vehicle with one hand. The push rod assembly is unlocked by the upper push rod assembly, and the upper push rod assembly drives the push rod assembly to unlock and the front support rod assembly, and the push rod assembly drives the seat plate assembly, the backrest assembly, and the guardrail assembly to fold the entire vehicle. The seat plate assembly serves as a support point, and the rear support rod assembly drives the backrest assembly to be automatically stored in the vehicle without affecting the overall folded size, so that the cart is compact and easy to carry after folding. The user only needs to operate the upper push rod assembly with one hand to easily complete the folding of the cart, which greatly simplifies the operation steps and improves convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a side structural schematic diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the overall structure of the utility model in another direction;

[0027] Figure 4 This is a schematic diagram of the structure of the rear support rod assembly of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the upper push rod assembly of the utility model;

[0029] Figure 6 This is a schematic diagram of the push rod assembly structure of the utility model;

[0030] Figure 7 This is a schematic diagram of the structure of the front support rod assembly of the utility model;

[0031] Figure 8 This is a schematic diagram of the seat plate assembly structure of the utility model;

[0032] Fig. 9 This is a schematic diagram of the structure of the backrest assembly of the utility model;

[0033] Fig.10 This is a schematic diagram of the connection structure between the backrest assembly and the seat plate assembly of the utility model;

[0034] Fig.11 This is a schematic diagram of the structure of the guardrail assembly of the utility model;

[0035] Fig.12 This is a schematic diagram of the folding process of the cart of the utility model;

[0036] Fig.13 It is a schematic diagram of the vehicle collection structure of the utility model.

[0037] Description of the numbers in the figure:

[0038] 1. Rear support rod assembly; 101. Rear support rod; 102. First rear connecting rod; 103. Second rear connecting rod; 2. Upper push rod assembly; 201. Hand push rod; 202. Support bar; 203. Adjustment bar; 3. Push rod assembly; 4. Front support rod assembly; 401. Front support rod; 402. Front connecting rod; 5. Rear connecting rod assembly; 6. Seat plate assembly; 601. Seat plate; 602. Turn plate; 603. Strap plate; 604 , connecting rotating plate; 605, connecting plate; 606, slide groove; 7, backrest assembly; 701, backrest plate; 702, adjusting connecting rod; 8, guardrail assembly; 801, guardrail; 802, guardrail connecting rod; 803, guardrail connecting piece; 9, push rod assembly; 901, guide rail; 10, rear wheel assembly; 1001, main rear wheel; 1002, connecting shaft; 1003, foot brake; 11, front wheel assembly; 12, locking piece. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model. Example

[0040] See also Figure 1-13, a one-hand automatic folding baby stroller, comprising a rear support rod assembly 1, a push rod assembly 3, a front support rod assembly 4, a rear connecting rod assembly 5, a seat plate assembly 6, a backrest assembly 7, and a guardrail assembly 8. The push rod assembly 3 is composed of an upper push rod assembly 2 and a lower push rod assembly 9. A locking piece 12 is provided in the middle of the upper push rod assembly 2. The upper push rod assembly 2 and the lower push rod assembly 9 are rotatably connected through a first pivot point; the lower end of the push rod assembly 3 is rotatably connected to the upper end of the rear support rod assembly 1 and the upper end of the front support rod assembly 4 through a second pivot point; one end of the rear connecting rod assembly 5 is rotatably connected to the rear support rod assembly 1, and the other end of the rear connecting rod assembly 5 is slidably connected to the lower push rod assembly 9; the seat plate assembly 6 is rotatably connected to the rear support rod assembly 1 and the rear connecting rod assembly 5; the rear end of the seat plate assembly 6 is rotatably connected to the backrest assembly 7, and the lower end of the backrest assembly 7 passes through the slide groove 606 on the seat plate assembly 6 and is rotatably connected to the rear support rod assembly 1, and the backrest assembly 7 can slide along the slide groove 606 on the seat plate assembly 6.

[0041] The push rod assembly 3 is unlocked by the upper push rod assembly 2, and the upper push rod assembly 2 drives the push rod assembly 3 to unlock and connect with the front support rod assembly 4. One end of the rear connecting rod assembly 5 is rotatably connected to the rear support rod assembly 1, and the other end is slidably connected to the lower push rod assembly 9. When the stroller is folded, the rear connecting rod assembly 5 slides along the lower push rod assembly 9, driving the entire frame to retract and fold inward. The user only needs to operate the upper push rod assembly 2 with one hand to easily complete the folding of the stroller, which greatly simplifies the operation steps and improves convenience.

[0042] The seat plate assembly 6 is rotatably connected to the rear support rod assembly 1 and the rear connecting rod assembly 5; the rear end of the seat plate assembly 6 is rotatably connected to the backrest assembly 7, and the lower end of the backrest assembly 7 passes through the slide groove 606 on the seat plate assembly 6 and is rotatably connected to the rear support rod assembly 1. The backrest assembly 7 can slide along the slide groove 606 on the seat plate assembly 6. When the cart is folded, the backrest assembly 7 slides inward along the slide groove 606 of the seat plate assembly 6 and automatically shrinks and folds.

[0043] A guide rail 901 is provided inside the lower push rod assembly 9, and the rear connecting rod assembly 5 can slide along the guide rail 901 inside the lower push rod assembly 9. When the cart is folded, the rear connecting rod assembly 5 slides along the guide rail 901 inside the lower push rod assembly 9, driving the entire frame to retract and fold inward.

[0044] The rear support rod assembly 1 includes a pair of rear support rods 101, a first rear link 102 and a second rear link 103 are fixedly connected between the pair of rear support rods 101, and the rear wheel assembly 10 is fixedly connected to the pair of rear support rods 101. The pair of rear support rods 101 are connected as a whole by the first rear link 102 and the second rear link 103 to make them more secure.

[0045] The upper push rod assembly 2 includes a hand push rod 201, which is rotatably connected to the upper end of the lower push rod assembly 9. The hand push rod 201 is fixedly connected to a support bar 202 at one end close to the lower push rod assembly 9, and the front end of the hand push rod 201 close to the lower push rod assembly 9 is rotatably connected to an adjustment bar 203. The support bar 202 and the foldable adjustment bar 203 are used to facilitate the mounting of a sunshade cloth.

[0046] The front support rod assembly 4 includes a pair of front support rods 401, which are rotatably connected to the lower end of the lower push rod assembly 9, and a front connecting rod 402 is fixedly connected between the pair of front support rods 401. A pair of front wheel assemblies 11 are respectively fixedly connected to the lower ends of the pair of front support rods 401. The pair of front support rods 401 are connected as a whole through the front connecting rod 402, and the front support rod 401 and the lower push rod assembly 9 are telescopic, thereby reducing the push-out volume and facilitating the folding of the vehicle.

[0047] The seat plate assembly 6 includes a seat plate 601, which is installed between the push rod assembly 3 and the front support rod assembly 4. The front end of the seat plate 601 is rotatably connected to a pair of rotating plates 602, and a strap plate 603 is fixedly connected between the pair of rotating plates 602. Connecting rotating plates 604 and connecting plates 605 are installed on the left and right ends of the seat plate 601, and the connecting rotating plate 604 is rotatably connected to the first rear connecting rod 102 of the rear support rod assembly 1, and the connecting plate 605 is rotatably connected to the rear connecting rod assembly 5. The rotating plate 602 and the strap plate 603 can be used to support the baby's feet and legs. The seat plate assembly 6 is rotatably connected to the rear support rod assembly 1 and the rear connecting rod assembly 5 respectively through the connecting rotating plate 604 and the connecting plate 605. When the connecting rotating plate 604 and the connecting plate 605 play a supporting and connecting role, it is also convenient for the seat plate assembly 6 to be folded and stored.

[0048] The backrest assembly 7 includes a backrest 701, which is installed at the rear end of the seat plate assembly 6. The lower end of the backrest 701 is rotatably connected to a pair of adjustment links 702, which can slide along a pair of slide grooves 606 on the seat plate assembly 6. The lower ends of the pair of adjustment links 702 are rotatably connected to the two ends of the first rear link 102 respectively. The backrest is provided for the baby through the backrest 701, and the adjustment link 702 slides in a pair of slide grooves 606 on the seat plate assembly 6. When the stroller is folded, the backrest assembly 7 automatically shrinks and folds inward by sliding the adjustment link 702 along the slide grooves 606 of the seat plate assembly 6.

[0049] The guardrail assembly 8 includes a guardrail 801, a guardrail connecting rod 802, and a guardrail connecting member 803. The guardrail 801 is installed above the seat plate assembly 6. The two ends of the guardrail 801 are respectively connected to the guardrail connecting rod 802. The lower end of the guardrail connecting rod 802 is rotatably connected to the seat plate assembly 6. One end of the guardrail connecting member 803 is rotatably connected to the guardrail connecting rod 802. The other end of the guardrail connecting member 803 is rotatably connected to the push rod assembly 3. The guardrail 801 is used to protect the baby, and the guardrail connecting rod 802 and the guardrail connecting member 803 support the guardrail 801. At the same time, the guardrail 801 can be folded with the guardrail connecting member 803 as a fulcrum. The guardrail assembly 8 is rotatably connected to the seat plate assembly 6 and the push rod assembly 3. When the stroller is folded, the guardrail assembly 8 automatically folds as the seat plate assembly 6 contracts and folds.

[0050] The rear wheel assembly 10 includes a pair of main rear wheels 1001, which are installed at the lower end of the rear support rod assembly 1. A connecting shaft 1002 is rotatably connected between the pair of main rear wheels 1001, and the connecting shaft 1002 is fixedly connected to the rear support rod assembly 1. A foot brake 1003 is fixedly connected to the side end of the connecting shaft 1002. The main rear wheels 1001 can be braked by the foot brake 1003 to improve safety.

[0051] The present invention realizes a foldable vehicle with one hand. The push rod assembly 3 is unlocked by the upper push rod assembly 2, and the push rod assembly 3 is driven by the upper push rod assembly 2 to unlock the front support rod assembly 4. One end of the rear connecting rod assembly 5 is rotatably connected to the rear support rod assembly 1, and the other end is slidably connected to the lower push rod assembly 9. When the stroller is folded, the rear connecting rod assembly 5 slides along the guide rail 901 in the lower push rod assembly 9, driving the entire frame to retract and fold inward. The user only needs to operate the upper push rod assembly 2 with one hand to easily complete the folding of the stroller, which greatly simplifies the operation steps and improves convenience. The seat plate assembly 6 is connected to the rear support rod assembly 1. The rear end of the seat plate assembly 6 is rotatably connected to the backrest assembly 7 by connecting the rotating plate 604 and the connecting plate 605, respectively, and the backrest assembly 7 can slide along the slide groove 606 on the seat plate assembly 6. The lower end of the backrest assembly 7 is rotatably connected to the rear support rod assembly 1. When the stroller is folded, the backrest assembly 7 slides inward along the slide groove 606 of the seat plate assembly 6 and automatically shrinks and folds. The guardrail assembly 8 is rotatably connected to the seat plate assembly 6 and the push rod assembly 3. When the stroller is folded, the guardrail assembly 8 is automatically folded along with the shrinkage and folding of the seat plate assembly 6. Through the above scheme, the mutual interference between the various components of the frame is avoided, and while realizing the original function of the stroller, the stroller is made more convenient and simple to fold, and is easy to carry.

[0052] During the folding process of the stroller, the upper push rod assembly 2 drives the push rod assembly 3 to unlock and unlock the front support rod assembly 4, and the push rod assembly 3 drives the seat plate assembly 6, the backrest assembly 7, and the guardrail assembly 8 to fold the entire stroller. The seat plate assembly 6 serves as a supporting point, and the rear support rod assembly 1 drives the backrest assembly 7 to be automatically stored in the stroller without affecting the overall folding size, so that the stroller is compact and easy to carry after folding. Safety and comfort are also taken into consideration in the setting. The reasonable layout of the seat plate assembly 6, the backrest assembly 7 and the guardrail assembly 8 ensures the comfort and safety of the baby. The stable connection between the front wheel assembly 11 and the rear wheel assembly 10 provides stability and safety during driving, and the overall one-handed automatic folding function is realized, which greatly facilitates the user's operation while taking into account the safety, comfort and convenience of the baby stroller.

[0053] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0054] In addition, it should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that those skilled in the art can understand.

Claims

1. A one-handed automatic folding baby stroller, comprising a rear support rod assembly (1), a push rod assembly (3), a front support rod assembly (4), a rear connecting rod assembly (5), a seat plate assembly (6), a backrest assembly (7), and a guardrail assembly (8), characterized in that: The push rod assembly (3) is composed of an upper push rod assembly (2) and a lower push rod assembly (9), a locking member (12) is provided in the middle of the upper push rod assembly (2), and the upper push rod assembly (2) and the lower push rod assembly (9) are rotatably connected via a first pivot point; The lower end of the push rod assembly (3) is rotatably connected to the upper end of the rear support rod assembly (1) and the upper end of the front support rod assembly (4) via a second pivot point; One end of the rear connecting rod assembly (5) is rotatably connected to the rear support rod assembly (1), and the other end of the rear connecting rod assembly (5) is slidably connected to the lower push rod assembly (9); The seat plate assembly (6) is rotatably connected to the rear support rod assembly (1) and the rear connecting rod assembly (5); The rear end of the seat plate assembly (6) is rotatably connected to the backrest assembly (7), and the lower end of the backrest assembly (7) passes through the slide groove (606) on the seat plate assembly (6) and is rotatably connected to the rear support rod assembly (1), and the backrest assembly (7) can slide along the slide groove (606) on the seat plate assembly (6).

2. The one-handed automatic folding baby stroller according to claim 1, characterized in that: A guide rail (901) is provided inside the lower push rod assembly (9), and the rear connecting rod assembly (5) can slide along the guide rail (901) inside the lower push rod assembly (9).

3. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The rear support rod assembly (1) comprises a pair of rear support rods (101), a first rear connecting rod (102) and a second rear connecting rod (103) are fixedly connected between the pair of rear support rods (101), and the rear wheel assembly (10) is fixedly connected to the pair of rear support rods (101).

4. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The upper push rod assembly (2) comprises a hand push rod (201), the hand push rod (201) being rotatably connected to the upper end of the lower push rod assembly (9), the end of the hand push rod (201) close to the lower push rod assembly (9) being fixedly connected to a support bar (202), and the front end of the hand push rod (201) close to the lower push rod assembly (9) being rotatably connected to an adjustment bar (203).

5. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The front support rod assembly (4) comprises a pair of front support rods (401), the pair of front support rods (401) are rotatably connected to the lower end of the lower push rod assembly (9), a front connecting rod (402) is fixedly connected between the pair of front support rods (401), and a pair of front wheel assemblies (11) are respectively fixedly connected to the lower ends of the pair of front support rods (401).

6. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The seat plate assembly (6) comprises a seat plate (601), wherein the seat plate (601) is installed between the push rod assembly (3) and the front support rod assembly (4), the front end of the seat plate (601) is rotatably connected to a pair of rotating plates (602), a strap plate (603) is fixedly connected between the pair of rotating plates (602), a connecting rotating plate (604) and a connecting plate (605) are installed at the left and right ends of the seat plate (601), and the connecting rotating plate (604) is rotatably connected to the first rear connecting rod (102) of the rear support rod assembly (1), and the connecting plate (605) is rotatably connected to the rear connecting rod assembly (5).

7. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The backrest assembly (7) comprises a backrest plate (701), wherein the backrest plate (701) is mounted on the rear end of the seat plate assembly (6), and the lower end of the backrest plate (701) is rotatably connected to a pair of adjustment connecting rods (702), wherein the pair of adjustment connecting rods (702) can slide along a pair of sliding grooves (606) on the seat plate assembly (6), and the lower ends of the pair of adjustment connecting rods (702) are rotatably connected to the two ends of the first rear connecting rod (102).

8. The one-handed automatic folding baby stroller according to claim 1, characterized in that: The guardrail assembly (8) comprises a guardrail (801), a guardrail connecting rod (802), and a guardrail connecting piece (803); the guardrail (801) is installed above the seat plate assembly (6); both ends of the guardrail (801) are respectively connected to the guardrail connecting rod (802); the lower end of the guardrail connecting rod (802) is rotatably connected to the seat plate assembly (6); one end of the guardrail connecting piece (803) is rotatably connected to the guardrail connecting rod (802); and the other end of the guardrail connecting piece (803) is rotatably connected to the push rod assembly (3).

9. The one-handed automatic folding baby stroller according to claim 3, characterized in that: The rear wheel assembly (10) comprises a pair of main rear wheels (1001), the pair of main rear wheels (1001) being mounted on the lower end of the rear support rod assembly (1), a connecting shaft (1002) being rotatably connected between the pair of main rear wheels (1001), the connecting shaft (1002) being fixedly connected to the rear support rod assembly (1), and a foot brake (1003) being fixedly connected to the side end of the connecting shaft (1002).

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