WO2023245724A1 - Inflatable box and trailer having box - Google Patents

Abstract

The present application relates to the technical field of carrying tools, and provided are an inflatable box and a trailer having the box. The inflatable box comprises an inflatable body made of a drop-stitch fabric material, wherein a box body and a box cover are respectively formed by the inflatable body; the box cover and the box body are of a split structure; the box cover can cover an opening of the box body; and the box body comprises a bottom wall and a side wall, an accommodating cavity being formed by means of the enclosure of the bottom wall and the side wall. The trailer further comprises wheels and a handlebar. The inflatable box in the present application bears relatively more loads and is convenient to store and use.

Description

An inflatable box body and a trailer having the box body

This application requires the priority of the Chinese patent application submitted to the China Patent Office on June 23, 2022, with the application number 202210717038.5 and the invention title "an inflatable box and a trailer with the box". All its contents are approved by This reference is incorporated into this application.

Technical field

The invention belongs to the field of camping facilities, and in particular relates to an inflatable box and a trailer having the box.

Background technique

For those who love outdoor camping, a camping trailer is a great tool for hauling goods. Because it is not difficult to find when camping. Although it is easy to load many things into the car, every time you go camping, you will always bring a lot of things, such as tents, tables, chairs and kitchen utensils, which are relatively heavy. If you rely on manual transportation from the car, Getting to the camping site is no small challenge. At this time, if you have a camping trailer that does not take up space and can pull a lot of things, all these troubles can be easily solved. There are two main types of camping trailers sold on the market. One is the traditional camping trailer, which is towed by the vehicle in front. It is large and difficult to move manually from the road to the camping site; the other is the retractable camping trailer, which has a body. The structure is small, mainly supported by a foldable steel frame structure, and the main storage space is formed by canvas or Oxford cloth. It is more suitable for carrying items over short distances. However, the car body structure needs to be folded in four directions, so the car body structure cannot be too large. Multiple support rods result in a weak load-bearing capacity of the entire vehicle.

Contents of the invention

The present application provides an inflatable box and a trailer having the box to solve at least one of the above technical problems.

The technical solutions adopted in this application are:

The present application provides an inflatable box, which includes an inflatable body made of brushed air cushion material. The inflatable bodies respectively form a box body and a box lid. The box lid and the box body have a split structure. The box cover can cover the opening of the box body. The box body includes a bottom wall and a side wall. The bottom wall and the side wall enclose a receiving cavity.

As an embodiment of the present application, a wedge-shaped mating surface is provided between the bottom wall, the side wall and each of the side walls to enable close fit.

As an embodiment of the present application, the bottom wall and each of the side walls are fixedly connected, and the side walls are detachably connected; or, the bottom wall and the side walls and each of the side walls are detachably connected. Removable connection between side walls.

As an embodiment of the present application, the bottom wall and the side walls and/or the side walls are detachably connected through a zipper structure.

As an embodiment of the present application, the bottom wall and the side walls and/or each of the side walls are detachably connected through a slot structure.

As an embodiment of the present application, the slot structure includes a chute respectively provided on a certain inflatable body and a slide block provided on its adjacent inflatable body, the chute is built into the inflatable body, and the The slide groove and the slide block are plug-fitted.

As an embodiment of the present application, the box cover, bottom wall and side walls are all provided with air valves.

As an embodiment of the present application, it also includes wheels and handlebars, the wheels are detachably connected to the bottom wall, and the handlebars are detachably connected to the side walls.

As an embodiment of the present application, the wheels include front wheels and rear wheels located at the lower end of the bottom wall. Both the front wheels and the rear wheels include axles and tires. The lower surface of the bottom wall is provided with a first wheel. Connector, the first connector is provided with a C-shaped groove with an opening facing downward, the axle is pivotally connected to the bottom wall through the C-shaped groove, and wheels are fixedly connected to both ends of the axle.

As an embodiment of the present application, the handlebar includes a connecting rod and a tow bar, a second connecting piece is provided on the outer surface of the side wall, and the second connecting piece is provided with a C-shaped groove that opens outward, so The connecting rod is pivotally connected to the side wall through a C-shaped groove. The drag rod is T-shaped and includes a transverse part and a vertical part. The vertical part is connected to the connecting rod, and the transverse part is along the horizontal direction. .

As an implementation mode of this application,

Due to the adoption of the above technical solutions, the beneficial effects achieved by this application are:

1. The inflatable box of this application is formed by multiple inflatable bodies made of brushed air cushion material. Since the brushed air cushion material generally uses a high-quality PVC outer film, it is strong and wear-resistant, and its inner core has tens of thousands of composite fibers. , when inflated to the recommended PSI, the fibers evenly distribute the air pressure on the face and bottom surface, forming a hard and stable inner core, which is very strong after inflation, has better load-bearing capacity, and can carry more things. When deflated, it can be easily stored and folded, taking up less space. The inflatable box of this application has a wide range of applications and can be used in different scenarios through various ways, such as being placed on a trailer, used as a box body for a trailer, used as a box body for a small storage vehicle, or used as a storage vehicle. When used as a camping trailer box, this product can not only be used as a trailer when camping, but also can be used as a table at a campsite with a box cover; after camping, it can be vented Storage, of course, it can also be used as a storage box at home.

2. The inflatable box of this application is easy to store. The bottom wall and each side wall are fixedly connected, and the side walls are detachably connected. After inflating, the side walls are directly connected to form a containing cavity. That is, when storing, separate each side wall and exhaust it or separate it after exhausting, and then fold and store each side wall; or, in another way, between the bottom wall and each side wall There are detachable connections between the spaces and the interior of each side wall. The inflating or storage of each part does not affect each other, and the convenience is also good. Furthermore, the detachable connection method through a zipper or slot structure has a simple structure, is easy to operate, and will not bring any burden to the user.

3. The trailer of this application uses the aforementioned inflatable box. The box structure is reliable, the load-carrying performance is good, and the box can be stored. At the same time, the handlebars and wheels of the trailer are detachable structures relative to the body. The entire vehicle structure is detachable for easy storage. After storage, it occupies a small volume, which is very convenient for camping and other uses. A connector with a C-shaped groove is used as the connection structure between the handlebar and the side wall and between the wheel and the bottom wall. Installation and disassembly can be completed by simple plugging and unplugging. It is easy to disassemble and install, fully satisfying the requirements for outdoor use such as camping. Environmentally friendly and easy to operate.

Description of the drawings

The drawings described here are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present application and do not constitute an improper limitation of the present invention. In the attached picture:

Figure 1 is a schematic structural diagram of an inflatable box provided by an embodiment of the present invention;

Figure 2 is a schematic structural diagram of a box provided by an embodiment of the present invention;

Figure 3 is an expanded structural view of a box provided by an embodiment of the present invention;

Figure 4 is a schematic structural diagram of a side wall provided by an embodiment of the present invention;

Figure 5 is a schematic diagram of a zipper structure provided by an embodiment of the present invention;

Figure 6 is a schematic diagram of a slot structure provided by an embodiment of the present invention;

Figure 7 is a schematic structural diagram of a box provided by another embodiment of the present invention;

Figure 8 is a schematic structural diagram of a box provided by another embodiment of the present invention;

Figure 9 is a schematic structural diagram of a trailer provided by an embodiment of the present invention.

in,

100-box body; 110-box body; 111-bottom wall; 112-side wall; 113-storage bag; 114-wedge mating surface; 120-box cover; 130-connector; 131-main zipper belt; 132-auxiliary Zipper tape; 133-chute; 134-slider; 140-folding; 150-air valve;

200-trailer; 210-wheel; 211-axle; 212-tyre; 220-handlebar; 221-connecting rod; 222-tow bar; 2221-lateral part; 2222-vertical part; 230-first connecting piece; 240 -Second connector.

Detailed ways

In order to explain the overall concept of the present application more clearly, a detailed description is given below by way of example in conjunction with the accompanying drawings.

Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. Limitations of Examples.

In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two elements or an interaction between two elements . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present invention, unless otherwise expressly stated and limited, a first feature being "on" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. touch. In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the invention. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1:

As shown in Figures 1 to 3, the present invention provides an inflatable box 100, which includes an inflatable body made of brushed air cushion material. The inflatable bodies respectively form a box body 110 and a box cover 120. The box cover 120 and the box The body 110 has a split structure, and the box lid 120 can cover the opening of the box body 110. The box body 110 includes a bottom wall 111 and a side wall 112, and the bottom wall 111 and the side wall 112 enclose a receiving cavity. Storage bags 113 are provided on both sides of the box body 110, where personal belongings can be placed.

There are wedge-shaped mating surfaces 114 between the bottom wall 111 and the side walls 112 and each side wall 112. The adjacent wedge-shaped mating surfaces 114 contact and cooperate with each other to ensure the maximum accommodation volume without using too much air cushion material. Moreover, the connection is tightly fitted through the wedge-shaped mating surface 114 to avoid installation gaps that may cause some items to leak out. When cutting the inflatable bodies, perform bevel cutting on the edges of each inflatable body, and try to ensure the flatness of the wedge-shaped mating surface 114 when sealing the edges and decorative strips.

As shown in Figure 3, the bottom wall 111 and each side wall 112 are fixedly connected to form a cross shape. In one embodiment, the cross-shaped structure can be formed by one-piece cutting. In the one-piece cutting method, there are fewer edges that need to be sealed, that is, there are fewer air leakage locations, it is easy to seal, and it has a long service life. The cross-shaped structure is divided into a bottom wall 111 and side walls 112 by setting folds 140 , and each side wall 112 is folded upward at the folds 140 to form a receiving cavity. In one embodiment, the bottom wall 111 and the side wall 112 are both single-piece structures, and are later fixedly connected through sewing, gluing, etc. to form a cross-shaped structure. The bottom wall 111 and each side wall 112 are fixedly connected, and the side walls 112 are detachably connected. After inflating, the side walls 112 can be directly connected to form a containing cavity. When storing, each side wall 112 is connected. The side walls 112 are separated and then exhausted or separated after exhaust, and then each side wall 112 is folded and stored.

As shown in FIGS. 4 to 6 , connectors 130 are provided along the height direction of each side wall 112 to achieve detachable connection between the side walls 112 . The connector 130 includes a main connector 130 respectively provided on a certain side wall 112 and an auxiliary connector 130 provided on its adjacent side wall 112. The main connector 130 and the auxiliary connector 130 are connectable and detachable.

As shown in Figures 4-5, in one embodiment, the side walls 112 are detachably connected through a zipper structure. The main connecting piece 130 is a main zipper tape 131 with a zipper puller, and the auxiliary connecting piece 130 is a auxiliary zipper tape 132 . The main zipper tape 131 and the auxiliary zipper tape 132 are arranged along the height direction of the side wall 112. In one embodiment, the zipper tape is arranged on the outer wall of the accommodation cavity, that is, the outer wall of the side wall 112, to facilitate installation, and the zipper tapes can be covered after being engaged. The installation gap between the side walls 112 can prevent items from leaking out when the gap is large, and has an aesthetic effect.

As shown in Figures 1 and 6, in one embodiment, the side walls 112 are detachably connected through a slot structure. The slot structure includes a chute 133 respectively provided on a certain side wall 112 and a slide block 134 on its adjacent side wall 112. The chute 133 is built into the wedge-shaped mating surface 114 of the inflatable body. The chute 133 and the slide block 134 are plugged in. Cooperate. The opening of the slide groove 133 is flush with the wedge-shaped mating surface 114, and the embedded connector 130 can reduce the installation gap as much as possible.

A main zipper belt 131 and an auxiliary zipper belt 132 can be provided on both sides of the chute 133 and the slider 134. The zipper puller of a certain inflatable zipper is located on the main zipper belt 131, and the zipper puller of the adjacent inflatable zipper is located on the main zipper belt 131. Secondary zipper tape 132. The chute 133 and the slider 134 are covered by a zipper structure. During installation, after the inflatable bodies are connected through the chute 133 and the slider 134, the zipper tape on the same side of the chute and the slider is pulled together, so that the slider can be hidden. Grooves and sliders ensure aesthetics. For example, taking the adjacent side walls as an example, one side wall is provided with a chute 133, and the other side wall is provided with a slider 134. The inner sides of the chute 133 and the slider 134 are both provided with a main zipper belt 131, and the chute 133 and Auxiliary zipper tapes 132 are provided on the outside of the slider 134. The main zipper tape 131 with the chute inflatable body is equipped with a zipper puller, and the auxiliary zipper tape 132 with the inflatable body of the slider is equipped with a zipper puller. When the two parts are installed, the inner main zipper tapes 131 are pulled together, and the outer auxiliary zipper tapes 132 are pulled together. When storing, the main zipper tape 131 and the auxiliary zipper tape 132 on both sides of the slider 133 are pulled together, and the main zipper tape 131 and the auxiliary zipper tape 132 on both sides of the slider 134 are pulled together to hide the inflatable body. chute or slider to prevent the connecting parts from being exposed and scratching the outer surface of the inflatable body. Moreover, the zipper structure can increase the strength of the connecting structure and help ensure stability.

The detachable connection is carried out through a zipper or slot structure. The structure is simple and easy to operate, and will not bring any burden to the user.

Regarding the installation method of the air valve 150, when the box body 110 has an integrated cutting structure, the air valve 150 can be installed on an inflatable body. Since the upper surface of the bottom wall 111 is at the bottom of the accommodation cavity, the bottom wall 111 The lower surface is facing downward. In order to facilitate inflation, it is preferred that the air valve 150 is located on the outer surface of a certain side wall 112 to avoid the situation of objects shaking and hitting the air valve 150 during loading and unloading or pushing the box body 110, ensuring better performance. air tightness. When the bottom wall 111 and the side wall 112 of the box body 110 are split structures and later fixed, each inflatable body is provided with an air valve 150 .

The inflatable box 100 of the present application is formed by multiple inflatable bodies made of brushed air cushion material. Since the brushed air cushion material generally uses a high-quality PVC outer film, it is strong and wear-resistant, and its inner core has tens of thousands of composite fibers. When inflated to the recommended PSI, the fibers evenly distribute air pressure over the face and bottom surfaces, forming a hard, stable inner core that is very strong when inflated, has better load-bearing capacity, and can carry more things. When deflated, it can be easily stored and folded, taking up less space. The inflatable box 100 of the present application has a wide range of applications and can be used in different scenarios through various ways, such as being placed on the trailer 200 to serve as the box 110 of the trailer 200 or as the box of a small storage vehicle. 110 or used as a storage box, etc.; when used as the box body 110 of the camping trailer 200, the product can not only be used as the trailer 200 when camping, but also can be used as a table in the camping site with the box cover 120; After camping, the exhaust can be stored, and of course, it can also be used as a storage box.

Example 2:

What is different from the first embodiment is that the split structure of the box body 110 in this embodiment is different. As shown in Figure 7, the bottom wall 111 exists alone, and each side wall 112 is single, and each inflatable body is detachably connected. The bottom wall 111 and the side walls 112 are detachably connected as well as each side wall 112 . The bottom wall 111 and each side wall 112, as well as the interior of each side wall 112, are all detachably connected. Inflating or storing each part does not affect each other, and the convenience is also good. Each connection can be provided with a connection structure such as a zipper or a slot.

The box cover 120, the bottom wall 111 and the side wall 112 are all provided with air valves 150, and the air valves 150 are uniformly provided on the inner surface of the accommodation cavity, or uniformly provided on the outer surface of the accommodation cavity. In one embodiment, it is provided on the outer surface to prevent objects from shaking and hitting the air valve 150 during loading and unloading or pushing the box body 110, thereby ensuring better air tightness.

Embodiment three:

In one embodiment, the side walls 112 are fixedly connected, and the bottom wall 111 and the side walls 112 are detachably connected. In one embodiment, the connection method can adopt a zipper structure. The zipper tape surrounds the bottom wall 111 and the side wall 112. After the zipper tapes are engaged, they can cover the installation gap between the bottom wall 111 and the side wall 112, thereby avoiding gaps. When larger, items will leak out and have an aesthetic effect.

Of course, it can be understood that slots can also be provided on the wedge-shaped mating surface 114. In one embodiment, the slide groove 133 is located on the wedge-shaped mating surface 114 of the bottom wall 111, and the slider 134 is located on the wedge-shaped mating surface 114 of the side wall 112. , through plug-in matching, it is more reliable and can ensure a relatively vertical state more firmly.

It can be understood that a fixed structure can also be formed between two or three side walls 112 and then connected to other side walls 112 and the bottom wall 111 . When a fixed structure is formed between two or three side walls 112, it can be spread out and suitable for lying down or resting.

Embodiment 4:

In one embodiment, as shown in FIG. 8 , the box body 110 is an integrated box body 110 , and the bottom wall 111 and the side walls 112 and each side wall 112 are fixedly connected. Folds 140 are provided on at least one set of opposite side walls 112 to facilitate folding.

As shown in Figure 9, this application also provides a trailer 200, which has the aforementioned inflatable box 100, and also includes wheels 210 and handlebars 220. The wheels 210 are detachably connected to the bottom wall 111, and the handlebars 220 are detachably connected to the side walls. 112 detachable connections. The box body 110 has a reliable structure, good load-carrying performance, and can be stored. At the same time, the handlebars 220 and wheels 210 of the trailer 200 are detachable structures relative to the vehicle body, making the entire vehicle structure detachable. , for easy storage, and takes up little space after storage, which is very conducive to use when going out for camping.

The wheels 210 include front wheels 210 and rear wheels 210 located at the lower end of the bottom wall 111. The front wheels 210 and the rear wheels 210 each include an axle 211 and a tire 212. A first connecting piece 230 is provided on the lower surface of the bottom wall 111. The first connecting piece 230 is provided with a C-shaped slot with an opening facing downward. The axle 211 is pivotally connected to the bottom wall 111 through the C-shaped slot so that the axle 211 rotates relative to the bottom wall 111. The wheels 210 are fixedly connected to both ends of the axle 211.

In one embodiment, the axle 211 is provided with through holes at both ends, and also includes fasteners. The fasteners can be safety lock pins. After the tires 212 are installed inside the through holes, the fasteners are installed at the through holes. This prevents the tire 212 from detaching during walking.

The handlebar 220 includes a connecting rod 221 and a tow bar 222. A second connecting piece 240 is provided on the outer surface of the side wall 112. The second connecting piece 240 is provided with a C-shaped groove that opens outward. The connecting rod 221 is pivotally connected to the handlebar 221 through the C-shaped groove. The side wall 112 allows the connecting rod 221 to rotate relative to the side wall 112. The drag rod 222 is T-shaped and includes a transverse part 2221 and a vertical part 2222. The vertical part 2222 is connected to the connecting rod 221, and the transverse part 2221 is horizontally connected. direction.

The connector 130 with a C-shaped groove is used as the connection structure between the handlebar 220 and the side wall 112 and between the wheel 210 and the bottom wall 111. Installation and disassembly can be completed by simple plugging and unplugging. It is easy to disassemble and install, and is fully It is suitable for use in outdoor environments such as camping and is easy to operate.

Places not mentioned in the present invention can be realized by adopting or drawing on existing technologies.

Each embodiment in this specification is described in a progressive manner. The same and similar parts between the various embodiments can be referred to each other. Each embodiment focuses on its differences from other embodiments.

The above descriptions are only examples of the present invention and are not intended to limit the present invention. Various modifications and variations will occur to the present invention to those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the claims of the present invention.

Claims (10)

1. An inflatable box, characterized in that it includes an inflatable body made of brushed air cushion material. The inflatable bodies form a box body and a box cover respectively. The box cover and the box body are of a split structure. The box cover can cover the opening of the box body. The box body includes a bottom wall and a side wall. The bottom wall and the side wall enclose a receiving cavity.
2. An inflatable box according to claim 1, characterized in that wedge-shaped mating surfaces are provided between the bottom wall, the side walls and each of the side walls to allow for close fit.
3. An inflatable box according to claim 2, characterized in that the bottom wall and each of the side walls are fixedly connected, and the side walls are detachably connected; or,

   The bottom wall and the side walls and the side walls are detachably connected.
4. An inflatable box according to claim 3, characterized in that the bottom wall and the side walls and/or the side walls are detachably connected through a zipper structure.
5. An inflatable box according to claim 3, characterized in that the bottom wall and the side walls and/or each of the side walls are detachably connected through a slot structure.
6. An inflatable box according to claim 5, characterized in that the slot structure includes a chute respectively provided on a certain inflatable body and a slider provided on its adjacent inflatable body. Built into the inflatable body, the chute and the slider are plug-fitted.
7. An inflatable box according to claim 2, characterized in that the box cover, bottom wall and side walls are all provided with air valves.
8. A trailer having an inflatable box as claimed in any one of claims 1 to 7, further comprising wheels and handlebars, the wheels being detachably connected to the bottom wall, the handlebars being detachably connected to the bottom wall, and the handlebars being detachably connected to the bottom wall. The side walls are detachably connected.
9. A trailer according to claim 8, characterized in that the wheels include front wheels and rear wheels located at the lower end of the bottom wall, and both the front wheels and the rear wheels include axles and tires, and the bottom wall A first connecting piece is provided on the lower surface. The first connecting piece is provided with a C-shaped groove with an opening facing downward. The axle is pivotally connected to the bottom wall through the C-shaped groove. Wheels are fixedly connected to both ends of the axle.
10. A trailer according to claim 8, characterized in that the handlebar includes a connecting rod and a tow bar, a second connecting piece is provided on the outer surface of the side wall, and the second connecting piece is provided with an opening facing outward. C-shaped groove, the connecting rod is pivoted to the side wall through the C-shaped groove, the drag rod is T-shaped, including a transverse part and a vertical part, the vertical part is connected to the connecting rod, so The transverse portion is along the horizontal direction.

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