Backpack with capacity-expanding backpack structure

Abstract

The utility model discloses a backpack with an expansion backpack structure. An expansion backpack is arranged on a backpack body; the expansion backpack is installed on the front face of the body backpack in a detachable matched mode and matched with the body backpack to form a whole, and the space expansion effect of the body backpack is achieved through the expansion backpack. A connecting chain is arranged on each of the front breadth surface of the body backpack and the rear breadth surface of the expansion backpack, and the body backpack and the expansion backpack are detachably mounted in a matched manner through the connecting chains; in the using process, the capacity expansion effect of the body backpack is achieved through the capacity expansion backpack, the application efficiency of the backpack is improved, meanwhile, the capacity expansion backpack can be detached to reduce the overall weight of the backpack when the backpack is not used, the using portability is improved, a user conducts adjustment according to the using requirement, and functionality is higher. And the body knapsack and the expansion knapsack are connected through a zipper type structure, and the overall connection mode is simple and efficient.

Description

Technical Field

[0001] This utility model belongs to the field of backpack technology and relates to a backpack with an expandable backpack structure. Background Art

[0002] Backpacks are common items in our daily lives, and all kinds of bags have become necessities for daily outings. Among them, backpacks are more popular with users because of their large capacity and ease of use. However, backpacks on the market are currently limited in purpose and cannot adapt to multiple scenarios. They cannot meet the needs of users in some scenarios with different capacity requirements. Utility Model Content

[0003] To solve the implementation technical problems, the present invention adopts the following technical solution:

[0004] A backpack with an expandable backpack structure includes: a main backpack, which is a backpack structure, and a pair of backpack shoulder straps; and an expandable backpack is provided on the main backpack.

[0005] The expandable backpack is detachably mounted on the front panel of the main backpack, forming an integral unit with it, thereby expanding the space of the main backpack.

[0006] Both the front of the main backpack and the rear of the expandable backpack are equipped with a connecting chain, allowing for detachable installation between the main backpack and the expandable backpack via the connecting chain.

[0007] The two connecting chains are arranged in a ring structure, and are set along the front edge of the main backpack and the rear edge of the expanded backpack, respectively. The beginning and end of the connecting chains are arranged in a parallel structure, with the beginning of the connecting chains set on the inside.

[0008] As a further embodiment of this utility model, both the main backpack and the expanded backpack have decorative surfaces on their front panels for decoration.

[0009] As a further embodiment of this utility model, a charging port is provided on the side of the backpack.

[0010] As a further embodiment of this utility model: a plurality of supporting protrusions are formed on the rear end face of the backpack body, and the ends of the supporting protrusions are spherical.

[0011] The beneficial effects of this utility model are as follows: During use, the expandable backpack expands the capacity of the main backpack, improving its application efficiency. When not in use, the expandable backpack can be detached to reduce the overall weight of the backpack, increasing its portability. Users can adjust the size according to their needs, enhancing its functionality. Furthermore, the main backpack and the expandable backpack are connected by a zipper structure, making the overall connection simpler and more efficient. The ring-shaped zipper structure also enhances the overall aesthetics and integration between the main backpack and the expandable backpack. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the disassembled structure of the main backpack and the expandable backpack in this utility model.

[0014] Figure 3 This is a schematic diagram of the zipper connection structure in this utility model. DETAILED DESCRIPTION

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. It should be understood that this application is not limited to the exemplary embodiments disclosed herein. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0016] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] In the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0018] This utility model provides a reference. Figures 1-3 In this embodiment of the utility model, a backpack with an expandable backpack structure includes: a main backpack 1, which is a backpack structure, and a pair of backpack shoulder straps 11 are provided on the main backpack 1; and an expandable backpack 2 is provided on the main backpack 1.

[0019] The expandable backpack 2 is installed on the front panel of the main backpack 1 in a detachable and compatible manner, forming an integral unit with it. The expandable backpack 2 achieves the space expansion effect of the main backpack 1.

[0020] During use, the expansion backpack 2 expands the capacity of the main backpack 1, improving the backpack's application efficiency. When not in use, the expansion backpack 2 can be removed to reduce the overall weight of the backpack, improving its portability. Users can adjust the capacity according to their needs, making it more functional.

[0021] In order to achieve the connection and cooperation between the main backpack 1 and the expanded backpack 2, a connecting chain 21 is provided on the front of the main backpack 1 and the rear of the expanded backpack 2. The main backpack 1 and the expanded backpack 2 are connected by the connecting chain 21 to achieve detachable installation.

[0022] Both connecting chains 21 are arranged in a ring structure, and are set along the front edge of the main backpack 1 and the rear edge of the expanded backpack 2 respectively. The beginning 211 and the end 212 of the connecting chain 21 are arranged in a parallel structure, and the beginning of the connecting chain 21 is set on the inner side. When the main backpack 1 and the expanded backpack 2 are connected as one unit, the connecting chain 21 of this style will form a complete ring structure in appearance, making the overall integration between the main backpack 1 and the expanded backpack 2 stronger and more aesthetically pleasing.

[0023] Furthermore, in order to improve the overall aesthetics, both the main backpack 1 and the expanded backpack 2 are provided with decorative surfaces 22 on their front surfaces for decoration.

[0024] Furthermore, a charging port 13 is provided on the side of the main backpack 1; during use, a power bank is placed inside the main backpack 1, and the power bank's discharge port is connected to the charging port 13. During use, the user can charge electronic devices through the charging port 13 without having to take the power bank out of the backpack, thus improving the convenience of use.

[0025] Furthermore, a plurality of support protrusions 12 are formed on the rear end face of the main backpack 1. The support protrusions 12 provide support and massage effect for the user's back. The ends of the support protrusions 12 are spherical, which can achieve the massage effect while improving the overall comfort.

[0026] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A backpack with an expandable backpack structure, comprising: The main body backpack is a double-shoulder backpack structure, and a pair of backpack shoulder straps are arranged on the main body backpack; the characteristic is that an expansion backpack is arranged on the main body backpack; The expansion backpack is installed on the front surface of the main backpack in a detachable matching installation manner, and cooperates with the main backpack to form an integral body, and the expansion backpack is used to achieve the space expansion effect of the main backpack; The front surface of the main backpack and the rear surface of the expansion backpack are both provided with a connecting chain, and the main backpack and the expansion backpack are detachably mounted through the connecting chain; The two connecting chains are arranged in a ring structure and are respectively set along the front surface of the main backpack and the rear surface edge of the expansion backpack. The starting and end positions of the connecting chains are arranged in a parallel structure, and the starting end of the connecting chain is set at the inner position.

2. The backpack with an expandable backpack structure according to claim 1, characterized in that: The front surfaces of the main backpack and the expansion backpack are both provided with decorative surfaces for decoration.

3. The backpack with an expandable backpack structure according to claim 1, characterized in that: A charging interface is arranged on the side of the backpack.

4. The backpack with an expandable backpack structure according to claim 1, characterized in that: A plurality of supporting convex columns are formed on the rear end surface of the main backpack, and the end positions of the supporting convex columns are spherical structures.

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