Storage box

Abstract

The utility model relates to a storage box which comprises a box body, the box body comprises a box body, a side plate assembly and a telescopic part, the side plate assembly is connected with the box body through the telescopic part, the telescopic part can be folded or unfolded in the length direction, when the telescopic part is folded, the side plate assembly and the box body form a first containing cavity in an enclosing mode, and when the telescopic part is unfolded, the side plate assembly and the box body form a second containing cavity in an enclosing mode. A second accommodating cavity is defined by the side plate assembly, the telescopic part and the box body; the connecting assembly comprises a first belt body and a buckle, one end of the first belt body is connected with the side plate assembly and / or the box body, the other end of the first belt body is connected with the buckle, and the buckle is used for being connected with a cart. According to the storage box, the telescopic part can be folded or opened, so that the side plate assembly can be driven to stretch out and draw back relative to the box body, the size of the containing space of the storage box can be adjusted, when the telescopic part is opened, the telescopic part is connected with a cart through the connecting assembly, the telescopic part is kept open and not prone to being folded under pulling force, and therefore it is guaranteed that the storage box is not prone to loosing.

Description

Technical Field

[0001] The utility model relates to the technical field of storage devices, in particular to a storage box. Background Art

[0002] With the improvement of living standards, more and more people like to drive to outdoor activities and camping and picnics. However, after driving to the parking place, people often need to walk to the activity place. Therefore, there are now foldable trolleys on the market that can be placed in the trunk. When in use, the trolley can be opened to carry food and outdoor tools. It is also convenient for people to carry and use them after daily shopping.

[0003] At present, some trolleys on the market are also equipped with container bags for accommodating items. In order to facilitate folding and storage, the container bags are generally a single flexible bag-like structure. When in use, they need to rely on the support frame on the trolley to unfold. The support frame generally includes a base frame, a front frame, a rear frame, and foldable side frames. In order to prevent the container bags from being loose and falling off, the connection between the container bags and the support frame is often cumbersome, time-consuming and labor-intensive. In addition, the setting of the support frame also increases the structure of the trolley, resulting in a reduction in the foldable space of the trolley. In addition, when the trolley is idle, the container bags are difficult to meet daily single use due to their large volume and inability to adjust, which has the problem of poor practicality. Utility Model Content

[0004] Based on this, it is necessary to provide a storage box to address the problem that the bulk bags currently configured on trolleys are less practical and tend to become loose, making the connection between the bulk bags and the trolley support frame more complicated, time-consuming and labor-intensive.

[0005] A storage box comprises: a box body, wherein the box body comprises a box body main body, a side panel assembly and a telescopic part, wherein the side panel assembly is connected to the box body through the telescopic part, and the telescopic part can be folded or opened along the length direction, when the telescopic part is folded, the side panel assembly and the box body enclose a first accommodating cavity, and when the telescopic part is opened, the side panel assembly, the telescopic part and the box body enclose a second accommodating cavity; a connecting assembly, wherein the number of the connecting assemblies is at least two groups, and the at least two groups of connecting assemblies are respectively located on opposite sides of the box body, and the connecting assembly comprises a first belt body and a buckle, one end of the first belt body is connected to the side panel assembly and / or the box body, and the other end of the first belt body is connected to the buckle, and the buckle is used to connect to a cart.

[0006] The present application discloses a storage box, including a box body, a side panel assembly and a telescopic part, wherein the box body is connected to the side panel assembly through the telescopic part, and the telescopic part can be folded or opened, thereby driving the side panel assembly to telescope relative to the box body, so that the storage space of the storage box can be adjusted in size according to the needs of the user, thereby making the storage box more practical and convenient. In addition, the side panel assembly and the box body have a certain uprightness, so that when the box body is opened for use, the box body can stand upright naturally. Specifically, when the telescopic part is opened, the side panel assembly and / or the box body are connected to the cart through a connecting assembly, and the connecting assembly includes a first belt body and a buckle, and the buckle is buckled with the outer frame of the cart platform so that the storage box can be quickly fixed on the cart and is not easy to loosen, and through the cooperation of the first belt body and the buckle, the telescopic part remains open under tension and is not easy to be folded, thereby ensuring that the storage box is not easy to loosen, and the connecting assembly and the cart support frame structure can be simplified, thereby facilitating the reduction of the cart's own weight and making it more convenient to fold.

[0007] In one embodiment, the connection assembly further includes a second belt body, the second belt body is elastic, one end of the second belt body is connected to the side panel assembly and / or the box body, and the other end of the second belt body is connected to the first belt body or the buckle. By arranging the first belt body and the second belt body to jointly constrain the buckle, the connection belt assembly can be made stronger and its service life can be extended. At the same time, because the second belt body is elastic, when the storage box is separated from the cart, the second belt body shrinks and recovers to a certain extent, which can drive the buckle and the first belt body closer to the box body, thereby preventing the connection belt assembly from being dragged too much on the ground and easily worn or being involved with the external environment.

[0008] In one embodiment, the box body is U-shaped, the box body is a hollow cavity with three openings, the side panel assembly includes two supporting side panels, the number of the telescopic parts is the same as the number of the supporting side panels, the two supporting side panels are respectively located on opposite sides of the box body, the two supporting side panels are respectively connected to the box body through the telescopic parts, and at least two groups of connecting components are respectively arranged on the two supporting side panels. The supporting side panels on both sides can be independently telescoped relative to the box body under the drive of the telescopic parts, so that the size adjustment of the storage space of the storage box can be more flexible and more practical.

[0009] In one embodiment, the storage box further comprises a handle, wherein the number of the handles is two, and the two handles are respectively arranged on two opposite sides of the box body. The arrangement of the handles can provide convenience for the user to move the storage box.

[0010] In one embodiment, the two supporting side panels are respectively provided with the connecting components on one side away from the telescopic portion. When the connecting components are connected to the cart, the two supporting side panels will form a positioning effect under the pulling force of the connecting components, so that the telescopic portion remains in an open state and is not easy to loosen.

[0011] In one embodiment, the telescopic portion includes a bottom folding unit and two side folding units, the two side folding units are respectively arranged on opposite sides of the bottom folding unit, the side panel assembly is connected to the box body through the bottom folding unit and the two side folding units, the side folding unit includes two folding walls connected by side edges, when the telescopic portion is folded, the sides of the two folding walls are close to each other, and when the telescopic portion is opened, the sides of the two folding walls are far away from each other. By adopting the above structure, when the folding portion is folded, the sides of the two folding walls of the exposed side folding unit are close to or overlapped, thereby making the appearance of the storage box more regular and smooth.

[0012] In one embodiment, a first fixing component is also included, and the first fixing component includes a first mother Velcro and a first child Velcro, and the first mother Velcro and the first child Velcro are respectively arranged on the two folding walls, and the first mother Velcro and the first child Velcro cooperate to connect the sides of the two folding walls. When the telescopic part is folded, the first mother Velcro 31 and the first child Velcro 32 are used to fit and separate to achieve the quick connection and separation of the sides of the two folding walls 1321 of the side folding unit 132, which is easy to operate and firmly pasted, so that the telescopic part can be stably maintained in the folded state, so that the storage box is not easy to deform, ensuring that the objects in the first accommodating cavity can be stably stored and not easy to tip over.

[0013] In one embodiment, a fold line is provided between the two folding walls, and the two folding walls are folded inwardly along the fold line. The fold line can be arranged to facilitate the folding and alignment of the two folding walls, so that the volume of the side folding unit can be better reduced after folding. At the same time, the two folding walls are arranged inwardly, which can make the appearance of the storage box more regular and smooth.

[0014] In one of the embodiments, the bottom folding unit is made of flexible material.

[0015] In one embodiment, a support assembly is further included, the support assembly is arranged on the box body, and the support assembly is used to support the box body. By adopting the above structure, the box body can be made of flexible material, and when in use, it can stand upright under the support of the support assembly to effectively maintain the unfolded shape of the storage box.

[0016] In one embodiment, the support assembly is located inside the box body.

[0017] In one embodiment, the support assembly includes a U-shaped bracket and a positioning sleeve, the horizontal section of the U-shaped bracket abuts against the bottom of the box body, the two vertical sections of the U-shaped bracket abut against two opposite side walls of the box body, the positioning sleeve is arranged on the box body, and the positioning sleeve is provided with a limiting space, and the U-shaped bracket is at least partially located in the limiting space. By adopting the above structure, the positioning sleeve is arranged on the box body to fix the U-shaped bracket. When the box body is made of flexible material, the U-shaped bracket is adapted to be connected with the box body so that the side walls of the box body can remain upright relative to the bottom thereof, and the storage box will not be loose. In addition, when the storage box collides with external objects, the U-shaped bracket can also form a blocking and protective effect, effectively reducing the risk of objects in the storage box being damaged by impact.

[0018] In one embodiment, the positioning sleeve includes a flexible positioning member and a second fixing component, the second fixing component is arranged on the flexible positioning member, the fixed end of the flexible positioning member is arranged on the box body, the movable end of the flexible positioning member can move relative to the fixed end and has at least a first position and a second position, when the movable end is located at the first position, the movable end is connected to the fixed end through the second fixing component, the flexible positioning member forms the limiting space, when the movable end is located at the second position, the movable end is separated from the fixed end, and the U-shaped bracket can be separated from the positioning sleeve. By adopting the above structure, the fixed end and the movable end on the flexible positioning member can be detachably connected, so that the U-shaped bracket can be detachably connected to the box body, which greatly facilitates the user to position and fix the U-shaped bracket on the flexible positioning member. When the user needs to store the storage box and leave it idle, the support component can be easily removed, so that the box can be folded to the greatest extent, thereby effectively saving storage space and saving time and effort.

[0019] In one embodiment, the second fixing component includes a second female Velcro and a second child Velcro, the second female Velcro and the second child Velcro are respectively arranged on the fixed end and the movable end, and the second female Velcro cooperates with the second child Velcro to connect the fixed end and the movable end. By using the second female Velcro and the second child Velcro to fit together, the fixed end and the movable end of the flexible positioning member can be quickly connected and separated, which is easy to operate, and the strong adhesion of the Velcro can ensure that the U-shaped bracket can be securely set.

[0020] In one embodiment, the second fixing component is a zipper structure or a button structure.

[0021] In one embodiment, the number of the U-shaped brackets is two, and the two U-shaped brackets are located on both sides of the box body, and the vertical sections of the two U-shaped brackets on the same side are connected. By adopting the above structure, the two U-shaped brackets can be more evenly stressed, thereby avoiding the risk of bending, deformation or breaking of the U-shaped brackets, making the bracket structure more durable.

[0022] In one embodiment, the box body is provided with an installation cavity, and at least a portion of the support assembly is located in the installation cavity. By adopting the above structure, the installer can quickly fix the support assembly through the installation cavity, thereby greatly improving production efficiency.

[0023] In one of the embodiments, the support assembly includes a U-shaped bracket, the mounting cavity is U-shaped, and the U-shaped bracket is adapted to be mounted in the mounting cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a perspective view of a storage box according to an embodiment;

[0025] Figure 2 An exploded view of a storage box according to an embodiment;

[0026] Figure 3 The figure is a schematic diagram of the connection between a storage box and a trolley according to one embodiment.

[0027] The corresponding relationship between the reference numerals and the component names is as follows:

[0028] 1 box body, 11 box body, 12 side panel assembly, 121 supporting side panel, 13 telescopic part, 131 bottom folding unit, 132 side folding unit, 1321 folding wall;

[0029] 2 connecting assembly, 21 first belt body, 22 buckle, 23 second belt body;

[0030] 3 first fixing component, 31 first mother Velcro, 32 first child Velcro;

[0031] 4 support assembly, 41 U-shaped bracket, 42 positioning sleeve, 421 flexible positioning piece, 4211 fixed end, 4212 movable end;

[0032] 5 Carrying handles. DETAILED DESCRIPTION

[0033] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0035] The storage boxes according to some embodiments of the present invention will be described below with reference to the accompanying drawings.

[0036] like Figures 1 to 3 As shown, the present embodiment discloses a storage box, comprising: a box body 1, the box body 1 comprises a box body 11, a side panel assembly 12 and a telescopic portion 13, the side panel assembly 12 is connected to the box body 11 through the telescopic portion 13, the telescopic portion 13 can be folded or opened along the length direction, when the telescopic portion 13 is folded, the side panel assembly 12 and the box body 11 are enclosed to form a first accommodating cavity, when the telescopic portion 13 is opened, the side panel assembly 12, the telescopic portion 13 and the box body 11 are enclosed to form a second accommodating cavity; a connecting assembly 2, the number of the connecting assembly 2 is at least two groups, and the at least two groups of connecting assemblies 2 are respectively located on opposite sides of the box body 1, the connecting assembly 2 comprises a first belt body 21 and a buckle 22, one end of the first belt body 21 is connected to the side panel assembly 12 and / or the box body 11, and the other end of the first belt body 21 is connected to the buckle 22, and the buckle 22 is used to connect to the cart.

[0037] The present application discloses a storage box, including a box body 11, a side panel assembly 12 and a telescopic portion 13. The box body 11 is connected to the side panel assembly 12 through the telescopic portion 13. The telescopic portion 13 can be folded or opened, thereby driving the side panel assembly 12 to be telescoped relative to the box body 11, so that the storage space of the storage box can be adjusted in size according to the needs of the user, thereby making the storage box more practical and convenient. In addition, the side panel assembly 12 and the box body 11 have a certain uprightness, so that when the box 1 is opened for use, the box 1 can stand upright naturally. Specifically, when the telescopic part 13 is opened, the side panel assembly 12 and / or the box body 11 are connected to the cart through the connecting assembly 2. The connecting assembly 2 includes a first belt body 21 and a buckle 22. The buckle 22 is buckled with the outer frame of the cart platform so that the storage box can be quickly fixed on the cart and is not easy to loosen. Moreover, through the cooperation of the first belt body 21 and the buckle 22, the telescopic part 13 remains open under tension and is not easy to be folded, thereby ensuring that the storage box is not easy to loosen, and the connecting assembly 2 and the cart support frame structure can be simplified, thereby facilitating the reduction of the cart's own weight and making it more convenient to fold.

[0038] like Figures 1 to 3As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the connection assembly 2 also includes a second belt body 23, the second belt body 23 is elastic, one end of the second belt body 23 is connected to the side panel assembly 12 and / or the box body 11, and the other end of the second belt body 23 is connected to the first belt body 21 or the buckle 22. By setting the first belt body 21 and the second belt body 23 to jointly constrain the buckle 22, the connection belt assembly 21 can be made stronger and its service life can be extended. At the same time, because the second belt body 23 is elastic, when the storage box is separated from the cart, the second belt body 23 shrinks and recovers to drive the buckle 22 and the first belt body 21 to move closer to the box body 1 to a certain extent, thereby preventing the connection belt assembly 21 from being excessively dragged on the ground and easily worn or being involved with the external environment.

[0039] like Figure 1 and Figure 2 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the box body 11 is U-shaped, the box body 11 is a hollow cavity with three openings, the side panel assembly 12 includes two supporting side panels 121, the number of telescopic parts 13 is consistent with the number of supporting side panels 121, the two supporting side panels 121 are respectively located on two opposite sides of the box body 11, the two supporting side panels 121 are respectively connected to the box body 11 through the telescopic parts 13, and at least two groups of connecting components 2 are respectively arranged on the two supporting side panels 121. The supporting side panels 121 on both sides can be independently telescoped relative to the box body 11 under the drive of the telescopic parts 13, so that the size adjustment of the storage space of the storage box can be more flexible and more practical.

[0040] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines: it also includes a handle 5, the number of which is two, and the two handles 5 are respectively arranged on opposite sides of the box body 11. The arrangement of the handle 5 can provide convenience for the user to pull the storage box.

[0041] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: a connection assembly 2 is respectively provided on one side of the two support side panels 121 away from the telescopic portion 13. When the connection assembly 2 is connected to the cart, the two support side panels 121 will form a positioning effect under the pulling force of the connection assembly 2, so that the telescopic portion 13 remains in an open state and is not easy to loosen.

[0042] like Figure 1 and Figure 2As shown, in addition to the features of the above embodiment, this embodiment further defines that: the telescopic portion 13 includes a bottom folding unit 131 and two side folding units 132, the two side folding units 132 are respectively arranged on two opposite sides of the bottom folding unit 131, the side panel assembly 12 is connected to the box body 11 through the bottom folding unit 131 and the two side folding units 132, the side folding unit 132 includes two folding walls 1321 connected along the side edges, when the telescopic portion 13 is folded, the sides of the two folding walls 1321 are close to each other, and when the telescopic portion 13 is opened, the sides of the two folding walls 1321 are far away from each other. By adopting the above structure, when the folding portion is folded, the sides of the two folding walls 1321 of the exposed side folding unit 132 are close to or overlapped, thereby making the appearance of the storage box more regular and smooth.

[0043] like Figure 1 and Figure 2 As shown, in addition to the features of the above-mentioned embodiment, the present embodiment further defines: further comprising a first fixing component 3, the first fixing component 3 comprising a first female Velcro 31 and a first child Velcro 32, the first female Velcro 31 and the first child Velcro 32 are respectively arranged on two folding walls 1321, and the first female Velcro 31 and the first child Velcro 32 cooperate to connect the sides of the two folding walls 1321. When the telescopic portion 13 is folded, the two folding walls 1321 of the side folding unit 132 can be quickly connected and separated by the first female Velcro 31 and the first child Velcro 32, which is easy to operate and firmly adhered, so that the telescopic portion 13 can be stably maintained in a folded state, so that the storage box is not easily deformed, and it is ensured that the objects in the first accommodating cavity can be stably stored and not easily tipped over.

[0044] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: a fold line is provided between the two folding walls 1321, and the two folding walls 1321 are folded inwardly along the fold line. The folding line can be arranged to facilitate the folding and alignment of the two folding walls 1321, so that the volume of the side folding unit 132 is better reduced after folding. At the same time, the two folding walls 1321 are arranged inwardly, which can make the appearance of the storage box more regular and smooth.

[0045] In addition to the features of the above embodiments, this embodiment further defines that: the bottom folding unit 131 is made of a flexible material.

[0046] like Figure 1 and Figure 2As shown, in addition to the features of the above embodiment, this embodiment is further defined as follows: it also includes a support assembly 4, the support assembly 4 is arranged on the box body 11, and the support assembly 4 is used to support the box body 11. By adopting the above structure, the box body 11 can be made of a flexible material, and when in use, it can stand upright with the support of the support assembly 4 to effectively maintain the unfolded shape of the storage box.

[0047] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the support assembly 4 is located inside the box body 11 .

[0048] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the support assembly 4 includes a U-shaped bracket 41 and a positioning sleeve 42, the horizontal section of the U-shaped bracket 41 is against the bottom of the box body 11, the two vertical sections of the U-shaped bracket 41 are respectively against the two opposite side walls of the box body 11, the positioning sleeve 42 is arranged on the box body 11, the positioning sleeve 42 is provided with a limiting space, and the U-shaped bracket 41 is at least partially located in the limiting space. By adopting the above structure, the positioning sleeve 42 is arranged on the box body 11 for fixing the U-shaped bracket 41. When the box body 11 is made of flexible material, the U-shaped bracket 41 is adapted to be connected with the box body 11 so that the side wall of the box body 11 can be kept upright relative to its bottom, and the storage box will not be loose. In addition, when the storage box collides with external objects, the U-shaped bracket 41 can also form a blocking and protective effect, effectively reducing the risk of objects in the storage box being damaged by impact.

[0049] like Figure 2As shown, in addition to the features of the above-mentioned embodiments, this embodiment further defines that: the positioning sleeve 42 includes a flexible positioning member 421 and a second fixing component, the second fixing component is arranged on the flexible positioning member 421, the fixed end 4211 of the flexible positioning member 421 is arranged on the box body 11, the movable end 4212 of the flexible positioning member 421 can be movable relative to the fixed end 4211 and has at least a first position and a second position, when the movable end 4212 is located at the first position, the movable end 4212 is connected to the fixed end 4211 through the second fixing component, and the flexible positioning member 421 forms a limiting space, when the movable end 4212 is located at the second position, the movable end 4212 is separated from the fixed end 4211, and the U-shaped bracket 41 can be separated from the positioning sleeve 42. By adopting the above structure, the fixed end 4211 and the movable end 4212 on the flexible positioning member 421 can be detachably connected, so that the U-shaped bracket 41 can be detachably connected to the box body 11, which greatly facilitates the user to position and fix the U-shaped bracket 41 on the flexible positioning member 421. When the user needs to store the storage box and put it aside, the U-shaped bracket 41 can be easily removed, so that the box body 1 can be folded to the greatest extent, effectively saving storage space, saving time and effort.

[0050] In addition to the features of the above-mentioned embodiment, the present embodiment further defines that: the second fixing component includes a second female Velcro and a second child Velcro, the second female Velcro and the second child Velcro are respectively arranged on the fixed end 4211 and the movable end 4212, and the second female Velcro cooperates with the second child Velcro to connect the fixed end 4211 and the movable end 4212. By using the second female Velcro and the second child Velcro to fit together, the fixed end 4211 and the movable end 4212 of the flexible positioning member 421 can be quickly connected and separated, and the operation is simple. At the same time, the strong adhesion of the Velcro can ensure that the U-shaped bracket 41 can be securely set.

[0051] In addition to the features of the above embodiments, this embodiment further defines that: the second fixing component is a zipper structure or a button structure.

[0052] like Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the number of U-shaped brackets 41 is two, the two U-shaped brackets 41 are respectively located on both sides of the box body 11, and the vertical sections of the two U-shaped brackets 41 on the same side are connected. By adopting the above structure, the two U-shaped brackets 41 can be more evenly stressed, thereby avoiding the risk of bending, deformation or breaking of the U-shaped brackets 41, making the bracket structure more durable.

[0053] In addition to the features of the above embodiment, this embodiment further defines that: the box body 11 is provided with an installation cavity, and at least part of the support assembly 4 is located in the installation cavity. By adopting the above structure, the installer can quickly fix the support assembly through the installation cavity, thereby greatly improving production efficiency.

[0054] In addition to the features of the above embodiments, this embodiment further defines that: the support assembly 4 includes a U-shaped bracket 41, the installation cavity is U-shaped, and the U-shaped bracket 41 is adapted to be installed in the installation cavity.

[0055] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A storage box, characterized in that: include: A box body (1), the box body (1) comprising a box body (11), a side panel assembly (12) and a telescopic portion (13), the side panel assembly (12) being connected to the box body (11) via the telescopic portion (13), the telescopic portion (13) being capable of being folded or opened along a length direction, when the telescopic portion (13) is folded, the side panel assembly (12) and the box body (11) enclose a first accommodating cavity, and when the telescopic portion (13) is opened, the side panel assembly (12), the telescopic portion (13) and the box body (11) enclose a second accommodating cavity; A connecting assembly (2), wherein the number of the connecting assembly (2) is at least two groups, and the at least two groups of connecting assembly (2) are respectively located on two opposite sides of the box body (1), and the connecting assembly (2) comprises a first belt body (21) and a buckle (22), wherein one end of the first belt body (21) is connected to the side panel assembly (12) and / or the box body (11), and the other end of the first belt body (21) is connected to the buckle (22), and the buckle (22) is used to connect to the cart.

2. The storage box according to claim 1, characterized in that: The connecting assembly (2) further comprises a second belt body (23), the second belt body (23) is elastic, one end of the second belt body (23) is connected to the side panel assembly (12) and / or the box body (11), and the other end of the second belt body (23) is connected to the first belt body (21) or the buckle (22); and / or The box body (11) is U-shaped, the box body (11) is a hollow cavity with three openings, the side panel assembly (12) comprises two supporting side panels (121), the number of the telescopic parts (13) is the same as the number of the supporting side panels (121), the two supporting side panels (121) are respectively located on two opposite sides of the box body (11), the two supporting side panels (121) are respectively connected to the box body (11) via the telescopic parts (13), and at least two groups of the connecting assemblies (2) are respectively arranged on the two supporting side panels (121); and / or It also includes a handle (5), the number of which is two, and the two handles (5) are respectively arranged on two opposite sides of the box body (11).

3. The storage box according to claim 1, characterized in that: The telescopic portion (13) comprises a bottom folding unit (131) and two side folding units (132), the two side folding units (132) are respectively arranged on two opposite sides of the bottom folding unit (131), the side panel assembly (12) is connected to the box body (11) through the bottom folding unit (131) and the two side folding units (132), the side folding unit (132) comprises two folding walls (1321) connected along the side edges, when the telescopic portion (13) is folded, the side surfaces of the two folding walls (1321) are close to each other, and when the telescopic portion (13) is opened, the side surfaces of the two folding walls (1321) are separated from each other.

4. The storage box according to claim 3, characterized in that: The device further comprises a first fixing component (3), wherein the first fixing component (3) comprises a first mother Velcro (31) and a first child Velcro (32), wherein the first mother Velcro (31) and the first child Velcro (32) are respectively arranged on the two folding walls (1321), and the first mother Velcro (31) and the first child Velcro (32) cooperate to connect the side surfaces of the two folding walls (1321); and / or A fold line is provided between the two folding walls (1321), and the two folding walls (1321) are folded inwardly along the fold line; and / or The bottom folding unit (131) is made of flexible material.

5. The storage box according to claim 1, characterized in that: It also comprises a supporting assembly (4), wherein the supporting assembly (4) is arranged on the box body (11), and the supporting assembly (4) is used to support the box body (11).

6. The storage box according to claim 5, characterized in that: The support assembly (4) comprises a U-shaped bracket (41) and a positioning sleeve (42); the horizontal section of the U-shaped bracket (41) abuts against the bottom of the box body (11); the two vertical sections of the U-shaped bracket (41) respectively abut against two opposite side walls of the box body (11); the positioning sleeve (42) is arranged on the box body (11); the positioning sleeve (42) is provided with a limiting space; and the U-shaped bracket (41) is at least partially located in the limiting space.

7. The storage box according to claim 6, characterized in that: The positioning sleeve (42) comprises a flexible positioning member (421) and a second fixing component, wherein the second fixing component is arranged on the flexible positioning member (421), and the fixed end (4211) of the flexible positioning member (421) is arranged on the box body (11), and the movable end (4212) of the flexible positioning member (421) can move relative to the fixed end (4211) and has at least a first position and a second position, and when the movable end (4212) is located at the first position, the movable end (4212) is connected to the fixed end (4211) through the second fixing component, and the flexible positioning member (421) forms the limiting space, and when the movable end (4212) is located at the second position, the movable end (4212) is separated from the fixed end (4211), and the U-shaped bracket (41) can be separated from the positioning sleeve (42).

8. The storage box according to claim 7, characterized in that: The second fixing component comprises a second female Velcro and a second child Velcro, the second female Velcro and the second child Velcro are respectively arranged on the fixed end (4211) and the movable end (4212), and the second female Velcro cooperates with the second child Velcro to connect the fixed end (4211) and the movable end (4212); or The second fixing component is a zipper structure or a button structure.

9. The storage box according to claim 6, characterized in that: The number of the U-shaped brackets (41) is two, and the two U-shaped brackets (41) are respectively located on both sides of the box body (11), and the two U-shaped brackets (41) are connected to each other at the vertical section on the same side.

10. The storage box according to claim 5, characterized in that: The box body (11) is provided with a mounting cavity, and at least a portion of the support assembly (4) is located in the mounting cavity.

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