A multi-functional van

Abstract

This application discloses a multi-functional luggage cart, including a frame (1), an outer shell (2), a pull rod (3), a seat (4), a support rod (5), and a traction rod (6). The outer shell (2) surrounds the frame (1). One end of the support rod (5) is hinged to the frame (1) or the outer shell (2). One side of the seat (4) is rotatably connected to the frame (1). One end of the traction rod (6) is hinged to the body of the support rod (5), and the other end of the traction rod (6) is connected to the bottom of the other side of the seat (4). This invention can conveniently and quickly convert a luggage cart into a safe and user-friendly stroller.

Description

Technical Field

[0001] This application relates to the field of travel products, and more particularly to a multi-functional van. Background Technology

[0002] As people's living standards improve, more and more people are choosing to travel for leisure. When traveling as a family with young children by plane, train or other public transportation, they need to carry a stroller in addition to their luggage. This not only increases the amount of luggage they have, but also makes it very inconvenient to push the stroller and luggage separately.

[0003] Chinese patent application CN108577100A discloses a multi-functional integrated protective van, comprising: a frame, an outer shell, a pull rod, and a seat. The frame is a square structure composed of multiple first connecting rods. The outer shell covers the outer periphery and bottom of the frame. The pull rod is located at the top of the frame, and the seat is located at the top opening of the frame. By setting the seat above the frame and providing support rods and wheels on the side of the outer shell near the pull rod, it can be used as a suitcase, allowing items to be placed directly inside the frame and protected and wrapped by the shell. It can also be used as a stroller, allowing young children to sit directly on the seat, thus conveniently combining a suitcase and a stroller into one unit. However, when used as a stroller and pushed forward, the van tilts, causing the seat to tilt as well. This causes the young child sitting on the seat to lean backward. On the one hand, the backward tilt of the center of gravity leads to instability and safety; on the other hand, the backward lean causes changes in the young child's field of vision, causing anxiety and requiring more attention from parents to soothe them. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides an improved multi-functional stroller that can be easily leveled when used as a stroller, so that young children can sit upright and comfortably on the seat.

[0005] In one aspect of this application, a multi-functional van is provided, comprising a frame, a shell, a pull rod, a seat, and a support rod. The shell surrounds the frame, one end of the support rod is hinged to the frame or the shell, one side of the seat is rotatably connected to the frame, and the multi-functional van further comprises a tow rod, one end of which is hinged to the body of the support rod, and the other end of which is connected to the bottom of the other side of the seat.

[0006] According to this invention, since one side of the seat is rotatably connected to the frame, one end of the traction rod is hinged to the support rod, and the other end of the traction rod is connected to the bottom of the other side of the seat, when in use, pulling out the support rod will cause the traction rod to move upward, thereby lifting the seat to a horizontal position, allowing the child to sit upright on the seat and maintain a normal field of vision. When no longer in use, simply retracting the support rod will lower the seat back to its initial position. This multi-functional box cart of the invention achieves linkage between the support rod and the seat, making seat adjustment very convenient and quick.

[0007] Other features and advantages of the present invention will become clearer after reading the detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of a multi-functional van according to an embodiment of the present invention;

[0009] Figure 2 for Figure 1 The diagram shows the rear side of the multi-functional van.

[0010] Figure 3 for Figure 1 The diagram shows the connection of the frame, guardrails, and backrest of the multi-functional van.

[0011] For clarity, these figures are schematic and simplified, showing only the details necessary for understanding the invention, while omitting other details. Detailed Implementation

[0012] The embodiments and examples of the present invention will now be described in detail with reference to the accompanying drawings.

[0013] The scope of the invention will become apparent from the detailed description given below. However, it should be understood that while the detailed description and specific examples illustrate preferred embodiments of the invention, they are given for illustrative purposes only.

[0014] Figure 1 A schematic diagram of a multi-functional van according to an embodiment of the present invention is shown. The multi-functional van includes a frame 1 (see...). Figure 3 1) Outer shell 2, tie rod 3, seat plate 4, support rod 5, and traction rod 6. Frame 1 consists of multiple connecting rods (including horizontal connecting rods, vertical connecting rods, and side connecting rods, see...). Figure 3 The frame structure is composed of a cuboid shape. The outer shell 2 encloses the outer periphery and bottom of the frame 1. The tie rod 3 is located at the top of the frame 1. The seat plate 4 is located at the top opening of the frame 1. One side of the seat plate 4 is rotatably connected to a horizontal connecting rod at the top opening of the frame 1, for example, via a shaft or hinge. One end of the support rod 5 is hinged to a connecting rod in the middle of the rear side of the frame 1 (see...). Figure 2The support rod 5 can be pulled out or retracted, and a roller 9 is provided at the other end of the support rod 5. One end of the traction rod 6 is hinged to the body of the support rod 5, and the other end of the traction rod 6 is connected to the bottom of the other side of the seat plate 4. The length of the traction rod 6 and the hinge position with the body of the support rod 5 are set so that when the support rod 5 is fully pulled out, the other side of the seat plate 4 is supported to a horizontal position. When the multi-functional van needs to be used as a stroller, when the support rod 5 is pulled out, the traction rod 6 will move upward, thereby supporting the seat plate 4 upward to a horizontal position. This allows the seat plate 4 to be quickly and easily adjusted to a horizontal position, so that the child can sit upright on the seat plate and maintain a normal field of vision. When no longer in use, simply retract the support rod 5 to lower the seat plate 4 to the initial position. The operation is simple, labor-saving, and convenient.

[0015] In another embodiment, to provide greater stability, two support rods may be included, correspondingly including two traction rods. Specifically, as... Figure 2 As shown, the vehicle includes a first support rod 5-1, a second support rod 5-2, a first traction rod 6-1, and a second traction rod 6-2. The first support rod 5-1 and the second support rod 5-2 are connected by a support crossbar 5-3. One end of the first traction rod 6-1 is hinged to the body of the first support rod 5-1, and the other end of the first traction rod 6-1 is connected to the bottom of the other side of the seat plate 4. One end of the second traction rod 6-2 is hinged to the body of the second support rod 5-2, and the other end of the second traction rod 6-2 is connected to the bottom of the other side of the seat plate 4. When the multi-functional van needs to be used as a stroller, simply pull the support crossbar 5-3 outwards to simultaneously pull out the first support rod 5-1 and the second support rod 5-2, which in turn drive the first and second traction rods 6-1 and 6-2 upwards, thereby supporting the seat plate 4 at the corresponding positions at the bottom of the seat plate 4 so that it is in a horizontal position.

[0016] In one embodiment, the multi-functional van further includes a first guardrail 7-1, a second guardrail 7-2, and a backrest 8, such as Figure 3As shown in the optimal configuration. The first guardrail 7-1 is rotatably connected to the side link on the left side of the seat plate 4 of the frame 1, for example, via a shaft or hinge. The second guardrail 7-2 is rotatably connected to the side link on the right side of the seat plate 4 of the frame 1, for example, via a shaft or hinge. The backrest 8 is rotatably connected to the horizontal link on the rear side of the seat plate 4 of the frame 1. A first spring element, such as a coil spring (also called a worm spring), is provided at the connection points between the first guardrail 7-1 and the second guardrail 7-2 and the frame 1. The spring force of this first spring element when compressed is less than or equal to the weight of the first or second guardrail. A second spring element is provided at the connection point between the backrest 8 and the frame 1. The spring force of this second spring element when compressed is less than or equal to the weight of the backrest 8. In the non-stroller state, the backrest 8 is in a horizontal (folded-down) position and stacked on the seat plate 4, with the second spring element compressed. The first and second guardrails are in a horizontal position and stacked on the backrest 8, with the first spring element compressed. When the multi-functional van needs to be used as a stroller, the support rod is pulled out, which in turn lifts the seat 4 upward via the traction rod. The seat 4 transmits the upward force to the backrest 8, which in turn transmits it to the first and second guardrails. The first and second guardrails spring upward to a vertical position with the help of the upward force transmitted by the seat 4 and the elastic force released by the first spring. The backrest also springs upward to a vertical position or rests against the extended pull rod 3 with the help of the upward force transmitted by the seat 4 and the elastic force released by the second spring, thus providing protection for the child sitting on the seat 4. In this embodiment, the seat 4, the first and second guardrails 7-1 and 7-2, and the backrest 8 are linked by a single pull action of the support rod. This allows the van to be easily and quickly converted into a safe stroller. The guardrails prevent the child from tilting to the left or right, and the backrest 8 provides support for the child's back, ensuring a more comfortable and stable ride and making it safer and more convenient to push. This provides a comfortable and safe guarantee for the child's travel. In another embodiment, in the non-stroller state, the first and second guardrails are in a horizontal position and stacked on the seat plate 4, the first spring is in a compressed state, the backrest 8 is in a horizontal position and stacked on the first and second guardrails, and the second spring is in a compressed state.

[0017] In one embodiment, safety belts (not shown) are provided on both sides of the backrest 8 to fasten around the chest and waist of the child, preventing the child from leaning forward during the ride and further protecting the safety of the child sitting on the seat 4.

[0018] In one embodiment, the seat 4, the first guardrail 7-1, the second guardrail 7-2, and / or the backrest 8 have hollow cavities for filling materials. The hollow cavities may be filled with soft or elastic materials, and the outer surfaces may also be wrapped with soft or elastic materials to improve the comfort of the seat 4, the first guardrail 7-1, the second guardrail 7-2, and / or the backrest 8.

[0019] In one embodiment, the first guardrail 7-1 is rotatably connected to the seat plate 4 on the left side, for example, via a shaft or hinge; the second guardrail 7-2 is rotatably connected to the seat plate 4 on the right side, for example, via a shaft or hinge; and the backrest 8 is rotatably connected to the seat plate 4 on the rear side. In the non-stroller state, the backrest 8 is in a horizontal position and stacked on top of the seat plate 4, and the first and second guardrails are in a horizontal position and stacked on top of the backrest 8; or, the first and second guardrails are in a horizontal position and stacked on top of the seat plate 4, and the backrest 8 is in a horizontal position and stacked on top of the first and second guardrails. When used as a stroller, the first and second guardrails and the backrest 8 can be easily lifted by hand. In another embodiment, the free side of the backrest 8 can be configured to be snap-on connected to the seat plate 4, and the free sides of the first and second guardrails can be configured to be snap-on connected to the backrest 8. When it needs to be opened, simply press the first and second guardrails and the backrest, and they will automatically pop up. When the first and second guardrails are stacked on the seat plate 4 and the back plate 8 is stacked on the first and second guardrails, the free sides of the first and second guardrails can be configured to be connected to the seat plate 4 in a press-and-release manner, and the free sides of the back plate 8 can be configured to be connected to the first and second guardrails in a press-and-release manner.

[0020] In one embodiment, the multi-purpose van also includes a push rod, such as Figure 1-3 As shown, the push rod and pull rod 3 are located on the same side of the frame 1. The push rod includes first and second side support rods 10-1 and 10-2 and a horizontal handle 10-3. The two ends of the horizontal handle 10-3 are respectively connected to one end of the first and second side support rods 10-1 and 10-2. The first and second side support rods 10-1 and 10-2 are telescopically installed in the support rod cavity 12 of the frame 1. The first and second side support rods 10-1 and 10-2 are located on the outer side of the two side support rods of the pull rod 3. The combination of the (stroller) push rod and the (luggage) pull rod 3 greatly improves practicality and stability. By telescopically installing the two side support rods of the push rod in the bracket cavities on both sides of the rear of the vehicle, the push rod can be pulled out and retracted very conveniently. It also ensures that the width on both sides of the push rod can exert convenient force to control the entire vehicle. It also leaves a middle position for the pull rod, allowing the pull rod to fill the gap in the middle width of the push rod, providing better support for the seat back (backrest). The two side support rods of the pull rod are telescopically installed in the middle of the rear surface of the box car, and can pass through the horizontal handle at the top of the push rod as a whole. This ensures the stability of the push rod and the pull rod, and does not affect the conversion between the stroller and the suitcase.

[0021] In one embodiment, such as Figure 2As shown, the side of the outer casing 2 adjacent to the support rod 5, i.e., the rear side of the vehicle, is provided with a storage groove 11 that matches the shape of the support rod 5 and the tow rod 6 when folded up. This groove is used to store at least a portion of the support rod 5 and the tow rod 6 when the support rod 5 is folded up. A clamping element (not shown) may be provided in the storage groove 11 to clamp the support rod 5 during storage, preventing it from falling off. The clamping element can be a simple clamping element with two elastic arms, which allows the support rod 5 to be pulled out of the clamping element with only a small force during use.

[0022] The various embodiments described herein, or their specific features, structures, or characteristics, may be appropriately combined in one or more embodiments of the present invention.

[0023] Unless explicitly stated otherwise, the singular forms “a” and “the” used herein include the plural meaning (i.e., meaning “at least one”). It should be further understood that the terms “having,” “comprising,” and / or “including” as used in the specification indicate the presence of the described features, elements, components, assemblies, and / or parts, but do not exclude the presence or addition of one or more other features, operations, elements, components, assemblies, parts, and / or combinations thereof. The term “and / or” as used herein includes any and all combinations of one or more of the listed related items.

[0024] The foregoing has described some preferred embodiments of the present invention. However, it should be emphasized that the present invention is not limited to these embodiments, but can be implemented in other ways within the scope of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on the inventive concept and without departing from the scope of the present invention, and such modifications or variations still fall within the protection scope of the present invention.

Claims

1. A multi-functional van, comprising a frame (1), an outer shell (2), a tie rod (3), a seat plate (4), and a support rod (5), wherein the outer shell (2) surrounds the frame (1), and one end of the support rod (5) is hinged to the frame (1) or the outer shell (2), characterized in that, One side of the seat plate (4) is rotatably connected to the frame (1). The multi-functional van also includes a traction rod (6). One end of the traction rod (6) is hinged to the rod body of the support rod (5), and the other end of the traction rod (6) is connected to the bottom of the other side of the seat plate (4). The support rod (5) includes a first support rod (5-1) and a second support rod (5-2). The first support rod (5-1) and the second support rod (5-2) are connected by a support crossbar (5-3). The traction rod (6) includes a first traction rod (6-1) and a second traction rod (6-2). One end of the first traction rod (6-1) is hinged to the rod body of the first support rod (5-1), and the other end of the first traction rod (6-1) is connected to the bottom of the other side of the seat plate (4). One end of the second traction rod (6-2) is hinged to the rod body of the second support rod (5-2), and the other end of the second traction rod (6-2) is connected to the bottom of the other side of the seat plate (4). When in use, pull out the support rod, and the traction rod will move upward, thereby lifting the seat plate upward so that it is in a horizontal position.

2. The multi-functional van according to claim 1, characterized in that, The multi-functional van also includes first and second guardrails (7-1, 7-2), one side of which is rotatably connected to the frame (1) on both sides of the seat plate (4).

3. The multi-functional van according to claim 2, characterized in that, The multi-functional van also includes a backrest (8), one side of which is rotatably connected to the frame (1) on one side of the seat plate (4).

4. The multi-functional van according to claim 3, characterized in that, The first and second guardrails (7-1, 7-2) are respectively provided with a first spring at the connection between them and the frame (1), and / or the backrest (8) is provided with a second spring at the connection between it and the frame (1).

5. The multi-functional van according to claim 1, characterized in that, The multi-functional van also includes first and second guardrails (7-1, 7-2), one side of which is rotatably connected to the two sides of the seat plate (4).

6. The multi-functional van according to claim 5, characterized in that, The multi-functional van also includes a backrest (8), one side of which is rotatably connected to one side of the seat plate (4).

7. The multi-functional van according to claim 1, characterized in that, The multi-functional van also includes a push rod, which is located on the same side of the frame (1) as the pull rod (3). The push rod includes first and second side support rods (10-1, 10-2) and a horizontal handle (10-3). The two ends of the horizontal handle (10-3) are respectively connected to one end of the first and second side support rods (10-1, 10-2). The first and second side support rods (10-1, 10-2) are telescopically arranged in the support rod cavity of the frame (1). The first and second side support rods (10-1, 10-2) are located on the outside of the two side support rods of the pull rod (3).

8. The multi-functional van according to claim 1, characterized in that, The outer casing (2) is provided with a storage groove (11) on the side adjacent to the support rod (5) that matches the shape of the support rod (5) and the traction rod (6) after they are folded up, for storing at least a portion of the support rod (5) and the traction rod (6).

9. The multi-functional van according to claim 8, characterized in that, The storage slot (11) is provided with a clamping component for clamping the support rod (5).

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