Portable baby carriage

Abstract

The utility model discloses a portable baby carriage, belongs to the technical field of baby products, and provides the portable baby carriage which is more convenient to store and carry after being folded, the portable baby carriage comprises a bottom beam, wheel assemblies are arranged at the two ends of the bottom beam, and a push rod assembly and a linkage assembly are rotationally connected to the bottom beam; a seat assembly is further rotationally connected between the push rod assembly and the linkage assembly, a protection assembly is rotationally connected to the top of the linkage assembly and suitable for blocking the waist and abdomen of an infant, the push rod assembly can keep stable with the wheel assembly through a limiting pin, the wheel assembly comprises a wheel frame, and an insertion handle is arranged in the middle of the wheel frame and suitable for being inserted into the end of a hollow bottom beam. And universal wheels are arranged at the two ends of the wheel carrier. By designing the linkage connecting rod structure and the rotating structure, the baby carriage can be repeatedly attached after being folded, the occupied space is reduced, and storage is more convenient; by designing the detachable wheel assemblies, the number of protruding structures on the folded baby carriage is reduced, and the baby carriage is more convenient to carry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of baby products, in particular to a light baby carriage. BACKGROUND

[0002] The baby carriage can effectively reduce the tiredness of parents when taking the baby out, and due to the light weight design, the baby carriage itself is not heavy, but in order to facilitate the adult to push, the volume is usually not small, and it occupies a lot of space when not in use, so the existing baby carriages mostly have folding function, but after folding, due to the protruding structure such as wheels, it is still not easy to carry. SUMMARY

[0003] The purpose of the present application is to provide a light baby carriage which is more convenient to store and carry after folding.

[0004] In order to achieve the above purpose, the present application provides a light baby carriage: comprising a bottom beam, the both ends of the bottom beam are provided with a wheel assembly, the bottom beam is rotatably connected with a push rod assembly and a linkage assembly, the push rod assembly and the linkage assembly are further rotatably connected with a seat assembly, the top of the linkage assembly is rotatably connected with a protection assembly, which is suitable for blocking the waist and abdomen of the baby, the push rod assembly can be kept stable with the wheel assembly through a limiting pin, so that the parents can provide stable pushing force to the baby carriage through the push rod assembly.

[0005] As a preferred, the wheel assembly comprises a wheel frame, the middle of the wheel frame has a inserting handle, which is suitable for inserting with the end of the hollow bottom beam, the both ends of the wheel frame are provided with universal wheels, which ensure the flexibility of the baby carriage moving and turning.

[0006] As a preferred, the upper surface of the bottom beam has a first hinged frame and a second hinged frame, the first hinged frame is located at the end of the bottom beam, the second hinged frame is located at the middle of the bottom beam, the push rod assembly comprises a force applying rod, the lower end of the force applying rod is rotatably connected with the first hinged frame, the middle of the force applying rod has a middle hinged frame, which is suitable for rotatably connecting with the seat assembly, the linkage assembly comprises a driven rod, the lower end of the driven rod has a lower hinged frame, which is suitable for rotatably connecting with the second hinged frame, the upper end of the driven rod has an upper hinged frame, which is also suitable for rotatably connecting with the seat assembly, forming a deformable connecting rod structure.

[0007] As a preferred, the seat assembly comprises a follow-up beam, the follow-up beam is provided with a seat cushion, one end of the follow-up beam has a rear hinged frame, which is suitable for rotatably connecting with the middle hinged frame, the other end has a front hinged frame, which is suitable for rotatably connecting with the upper hinged frame, ensuring the flexibility when deforming.

[0008] As a preferred, the upper surface of the wheel frame near the push rod assembly is also provided with an insertion plate, the insertion plate is provided with an inner pin hole, the side surface of the force applying rod is provided with an insertion frame, the insertion frame is provided with an outer pin hole, the limiting pin is adapted to be inserted into the inner pin hole and the outer pin hole at the same time, the relative movement of the insertion plate and the insertion frame is limited, and the force transmission stability of the force applying rod is ensured.

[0009] As a preferred, the upper end of the force applying rod is also provided with a handle, and the outer side surface of the driven rod is also fixedly connected with a foot supporting rod, the handle and the foot supporting rod are both out of plane and perpendicular to the bottom beam, so that the parents and the baby can be contacted and forced.

[0010] As a preferred, the side surface of the driven rod is also provided with an extension rod, the upper end of the extension rod is provided with a top hinged frame, the main body part of the protection assembly is a protection ring, one side of the protection ring is provided with a hinged plate, and the hinged plate is adapted to be rotationally connected with the top hinged frame, so that the position of the protection ring can also be changed when being folded.

[0011] As a preferred, the top surface of the extension rod is provided with a supporting table in the top hinged frame, the supporting table is adapted to support the hinged plate to provide a stable supporting force for the protection ring, so that the protection ring can be kept relatively stable when being pressed by the baby.

[0012] Compared with the prior art, the application has the following beneficial effects:

[0013] (1) By designing the linkage connecting rod structure and the rotating structure, the baby carriage can be repeatedly attached after being folded, the occupied space is reduced, and the storage is more convenient;

[0014] (2) By designing the detachable wheel assembly, the protruding structure on the baby carriage after being folded is reduced, and the carrying is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first three-dimensional schematic view of the overall structure of the light type baby carriage.

[0016] Figure 2 It is a second three-dimensional schematic view of the overall structure of the light type baby carriage.

[0017] Figure 3 It is a three-dimensional structure schematic view of the wheel assembly and the bottom beam of the light type baby carriage.

[0018] Figure 4 It is a three-dimensional structure schematic view of the wheel assembly of the light type baby carriage.

[0019] Figure 5 It is a three-dimensional structure schematic view of the push rod assembly of the light type baby carriage.

[0020] Figure 6Fig. 6 is a perspective view of the limit pin and the push rod assembly of the stroller.

[0021] Figure 7 Fig. 4 is a first perspective view of the linkage assembly of the stroller.

[0022] Figure 8 Fig. 5 is a second perspective view of the linkage assembly of the stroller.

[0023] Figure 9 Fig. 7 is a perspective view of the seat assembly of the stroller.

[0024] Figure 10 Fig. 8 is a perspective view of the protection assembly of the stroller.

[0025] In the figure: 1, bottom beam; 101, first hinged frame; 102, second hinged frame; 2, wheel assembly; 201, insertion handle; 202, universal wheel; 203, insertion plate; 204, inner pin hole; 205, wheel frame; 3, push rod assembly; 301, force applying rod; 302, middle hinged frame; 303, insertion frame; 304, outer pin hole; 305, handle; 4, linkage assembly; 410, driven rod; 411, lower hinged frame; 412, upper hinged frame; 420, extension rod; 421, top hinged frame; 422, support table; 403, foot support rod; 5, seat assembly; 501, following beam; 502, seat cushion; 503, rear hinged frame; 504, front hinged frame; 6, limit pin; 7, protection assembly; 701, hinged plate; 702, protection ring. DETAILED DESCRIPTION

[0026] Hereinafter, the present application will be further described in conjunction with specific embodiments. It should be noted that, under the premise of no conflict, each embodiment described below or each technical feature can be combined with any other embodiment or technical feature to form a new embodiment.

[0027] In the description of the present application, it should be noted that, for orientation words, such as terms “center”, “transverse”, “longitudinal”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0028] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0029] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0030] like Figures 1-10 The lightweight stroller shown includes a hollow and flat base beam 1. Wheel assemblies 2 are provided at both ends of the base beam 1, which are the main components for realizing the pushing function. The wheel assembly 2 includes a wheel frame 205, which is also hollow. The plane on which the wheel frame 205 is located is roughly perpendicular to the extension direction of the base beam 1. The wheel frame 205 has a plug handle 201 in the middle for plugging into the end of the hollow base beam 1. Therefore, the wheel assembly 2 can be removed and installed when needed. Both ends of the wheel frame 205 are provided with casters 202 to ensure that the entire stroller has sufficient mobility and turning flexibility.

[0031] A push rod assembly 3 and a linkage assembly 4 are rotatably connected to the base beam 1. The two are basically parallel, and a seat assembly 5 is also rotatably connected between the push rod assembly 3 and the linkage assembly 4. This is the main part for infants and toddlers to sit. The upper surface of the base beam 1 has a first hinge frame 101 and a second hinge frame 102. The first hinge frame 101 is located at the end of the base beam 1, and the second hinge frame 102 is located in the middle of the base beam 1, but usually not in the exact center. The main body of the push rod assembly 3 is a force-applying rod 301. The lower end of the force-applying rod 301 is rotatably connected to the first hinge frame 101. The middle part of the force-applying rod 301 has an intermediate hinge frame 302 for rotatably connecting to the seat assembly 5. The upper end of the force-applying rod 301 is also provided with a handle 305 for parents to hold and apply pushing force. Normally, the handle 305 is perpendicular to the base beam 1, which makes it easier to grip.

[0032] The specific structure of the linkage assembly 4 includes a driven rod 410 which is parallel to the force applying rod 301, the lower end of the driven rod 410 is provided with a lower hinged bracket 411 for rotationally connecting with the second hinged bracket 102, the upper end of the driven rod 410 is provided with an upper hinged bracket 412 which is also rotationally connected with the seat assembly 5, the seat assembly 5 includes a follower beam 501 which is usually parallel to the bottom beam 1, the follower beam 501 is provided with a seat cushion 502 which is directly in contact with the buttocks of the baby, one end of the follower beam 501 is provided with a rear hinged bracket 503 for rotationally connecting with the middle hinged bracket 302, the other end of the follower beam 501 is provided with a front hinged bracket 504 for rotationally connecting with the upper hinged bracket 412, the outer side of the driven rod 410 is also fixedly connected with a foot supporting rod 403 which is also non-parallel and perpendicular to the bottom beam 1, the foot supporting rod 403 has two, which are symmetrically arranged about the driven rod 410, so as to facilitate the baby to put his / her feet on the foot supporting rod 403 to reduce the stress on the buttocks.

[0033] The top of the linkage assembly 4 is rotationally connected with a protection assembly 7, the side of the driven rod 410 is also provided with an extension rod 420 which does not need to be parallel to the force applying rod 301, but extends upward from the side of the driven rod 410 which is away from the force applying rod 301, the upper end of the extension rod 420 is provided with a top hinged bracket 421 which is in the vertical direction, the main part of the protection assembly 7 is a protection ring 702 which is just in front of the waist and abdomen of the baby, at the same time, the arms of the baby can also be placed on the protection ring 702 to share the weight of the body, the protection ring 702 usually wraps a soft and elastic material on the hard ring body, which can make the baby more comfortable and stable to hold, one side of the protection ring 702 is provided with a hinged plate 701 for rotationally connecting with the top hinged bracket 421, the top surface of the extension rod 420 is provided with a supporting table 422 which is located in the top hinged bracket 421 and can support the hinged plate 701 to provide a support force for the protection ring 702 to keep it horizontal and stable.

[0034] The push rod assembly 3 can be kept stable by the limiting pin 6 and the wheel assembly 2, in fact, the upper surface of the wheel frame 205 close to the push rod assembly 3 is also provided with an insertion plate 203 which is provided with an inner pin hole 204, the side of the force applying rod 301 is provided with an insertion bracket 303 which is provided with an outer pin hole 304, the limiting pin 6 can be inserted into the inner pin hole 204 and the outer pin hole 304 at the same time, so as to limit the relative movement of the insertion plate 203 and the insertion bracket 303, the limiting pin 6 is usually made of plastic and is in interference fit with the inner pin hole 204 and the outer pin hole 304, so that even if the two ends of the limiting pin 6 are not blocked, they are not easy to fall off, and the disassembly and assembly operation is also facilitated.

[0035] Working principle: in working state, the plug-in frame 303 cooperates with the plug-in plate 203 and is constrained by the limiting pin 6, the whole baby carriage is in unfolded state, the protective ring 702 is turned to the upper side of the seat assembly 5, the baby is placed on the cushion 502, the baby will hold the protective ring 702 to keep stable, then only need to put the baby's feet on the foot support rod 403, the parent can push the baby carriage by the handle 305, since the baby under one year old is soft and cannot sit for a long time, the baby is not suitable for the product; when the baby carriage is not needed, the baby is taken off from the carriage, then the protective ring 702 is turned forward to adhere to the driven rod 410, then the limiting pin 6 is pushed out, the force rod 301 is turned to the direction of the bottom beam 1, the seat assembly 5 keeps parallel to the bottom beam 1 and gradually approaches during the turning process, until the force rod 301 contacts the cushion 502, the following beam 501 contacts the bottom beam, the whole baby carriage is folded, if the folded baby carriage still occupies a lot of space, the plug-in handle 201 of the wheel assembly 2 can be pulled out from the bottom beam 1 and placed as an independent part, then put back next time.

[0036] The above describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only the principles of the present application, various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight stroller, characterized by: The utility model provides a baby stroller, which comprises a bottom beam (1), both ends of the bottom beam (1) are provided with a wheel assembly (2), a push rod assembly (3) and a linkage assembly (4) are rotationally connected to the bottom beam (1), a seat assembly (5) is further rotationally connected between the push rod assembly (3) and the linkage assembly (4), the top of the linkage assembly (4) is rotationally connected with a protection assembly (7) suitable for blocking the waist and abdomen of a baby, and the push rod assembly (3) can be kept stable by a limiting pin (6) and the wheel assembly (2).

2. The stroller of claim 1, wherein: The wheel assembly (2) comprises a wheel frame (205), the middle of the wheel frame (205) is provided with a plug handle (201) suitable for being plugged into the end of the hollow bottom beam (1), and both ends of the wheel frame (205) are provided with universal wheels (202).

3. The stroller of claim 2, wherein: The upper surface of the bottom beam (1) is provided with a first hinged frame (101) and a second hinged frame (102), the first hinged frame (101) is located at the end of the bottom beam (1), the second hinged frame (102) is located at the middle of the bottom beam (1), the push rod assembly (3) comprises a force applying rod (301), the lower end of the force applying rod (301) is rotationally connected with the first hinged frame (101), the middle of the force applying rod (301) is provided with a middle hinged frame (302) suitable for being rotationally connected with the seat assembly (5), and the linkage assembly (4) comprises a driven rod (410), the lower end of the driven rod (410) is provided with a lower hinged frame (411) suitable for being rotationally connected with the second hinged frame (102), and the upper end of the driven rod (410) is provided with an upper hinged frame (412) also suitable for being rotationally connected with the seat assembly (5).

4. The stroller of claim 3, wherein: The seat assembly (5) comprises a follow-up beam (501) provided with a cushion (502), one end of the follow-up beam (501) is provided with a rear hinged frame (503) suitable for being rotationally connected with the middle hinged frame (302), and the other end of the follow-up beam (501) is provided with a front hinged frame (504) suitable for being rotationally connected with the upper hinged frame (412).

5. The stroller of claim 4, wherein: The upper surface of the wheel frame (205) close to the push rod assembly (3) is further provided with a plug plate (203) provided with an inner pin hole (204), the side surface of the force applying rod (301) is provided with a plug frame (303) provided with an outer pin hole (304), and the limiting pin (6) is suitable for being simultaneously inserted into the inner pin hole (204) and the outer pin hole (304) to limit the relative movement of the plug plate (203) and the plug frame (303).

6. The stroller of claim 5, wherein: The upper end of the force applying rod (301) is further provided with a handle (305), and the outer side surface of the driven rod (410) is further fixedly connected with a foot supporting rod (403); the handle (305) and the foot supporting rod (403) are both out of plane and perpendicular to the bottom beam (1).

7. A lightweight pushchair as claimed in any one of claims 3 to 6, characterised in that: The side of the driven rod (410) further has an extension rod (420), the upper end of the extension rod (420) has a top hinged frame (421), the main body part of the protection assembly (7) is a protection ring (702), one side of the protection ring (702) has a hinged plate (701) adapted to be rotationally connected with the top hinged frame (421).

8. A lightweight stroller as recited in claim 7, wherein: The top surface of the extension rod (420) has a support table (422) located in the top hinged frame (421) adapted to support the hinged plate (701) to provide a stable supporting force for the protection ring (702).

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