CN220343867U - Knapsack - Google Patents

Abstract

The utility model belongs to the field of backpacks, and particularly relates to a backpack, which comprises a backpack body and a brace, wherein the brace is adjustably connected to one side of the backpack body; the backpack body is divided into a first cavity and a second cavity, and a communication port capable of being communicated or closed with the outside is formed in the first cavity; the first air bag and the second air bag which are outwards propped are arranged in the second cavity, so that the first air bag and the second air bag form a protrusion on the surface of the backpack body, the first air bag is communicated with the second air bag in a sealing way, the first air bag is made of elastic materials, the first air bag is used for conducting air flow to the second air bag by means of external force shrinkage deformation, and the deformation of the first air bag is recovered after the external force is removed. The user can hold the protrusion when wearing the knapsack, so that the knapsack has basic storage function, playability and good decompression feel, and the requirement of the user is met.

Description

Knapsack

Technical Field

The utility model belongs to the field of backpacks, and particularly relates to a backpack.

Background

The backpack is a functional accessory designed for meeting the daily life, learning and travel demands of children. Nowadays, various types and styles of backpacks exist on the market, and the purpose of the backpack is to meet the requirements of different age groups. Some common backpack types include: student backpacks, sports backpacks, travel backpacks, and theme backpacks. However, despite the numerous options available in the backpack market, there are also several general problems, one of which is the lack of playability, many backpack designs are too functional, and lack elements that appeal to children to interact and play with.

Disclosure of Invention

The utility model aims to provide a knapsack, which aims to solve the problems.

In order to achieve the above object, the present utility model provides a backpack, comprising a backpack body and a back strap, wherein the back strap is adjustably connected to one side of the backpack body; the backpack body is divided into a first cavity and a second cavity, and a communication port capable of being communicated or closed with the outside is formed in the first cavity; the first air bag and the second air bag which are outwards propped are arranged in the second cavity, so that the first air bag and the second air bag form a protrusion on the surface of the backpack body, the first air bag is communicated with the second air bag in a sealing way, the first air bag is made of elastic materials, the first air bag is used for conducting air flow to the second air bag by means of external force shrinkage deformation, and the deformation of the first air bag is recovered after the external force is removed.

Further, a third air bag which extends outwards is arranged in the second cavity, and the third air bag is communicated with the first air bag and the second air bag in a sealing mode.

Further, the outside of knapsack body is equipped with the pocket body that is used for accomodating, is equipped with the ascending third cavity of opening in the pocket body.

Further, an adjusting buckle belt for adjusting the length of the strap is arranged on the strap, and a fixing buckle belt is arranged at one end, close to the strap, of the backpack body; one end of the brace is fixedly connected to the outer surface of the backpack body, and the other end is connected to the free part of the adjusting buckle strap.

Further, the communication port is opened or closed by a zipper.

The one or more technical solutions in the backpack provided by the embodiments of the present utility model have at least the following technical effects:

in this design, the braces is adjustable to be connected on the knapsack body, the length of user can adjust the braces is in order to find suitable comfortable and is born the weight of feel, first cavity has the intercommunication mouth, the user can put in or take out article through the intercommunication mouth, the delightful nature of this design shows in, first gasbag and second gasbag outwards push up and stretch and form the protrusion, the material of first gasbag is with elasticity, the user produces external force and holds in first gasbag, because first gasbag and second gasbag are sealed intercommunication, after the first gasbag atress deformation shrink, the air current conduction makes the second gasbag expand to the second gasbag, after the user loosens the hand, first gasbag is because of elastic material, resume deformation after eliminating external force, produce pressure differential and flow back to first gasbag in the time, accomplish deformation recovery with the air current of second gasbag. The user can hold the protrusion when wearing the knapsack, so that the knapsack has basic storage function, playability and good decompression feel, and the requirement of the user is met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a structural diagram of a backpack according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a backpack according to an embodiment of the present utility model.

The main reference numerals illustrate: 100. a backpack body; 110. a first cavity; 120. a second cavity; 130. a communication port; 140. a first air bag; 150. a second air bag; 160. a third air bag; 170. a protrusion;

200. a harness; 210. a pocket body; 220. adjusting the buckle belt; 230. fixing the buckle belt; 240. and (5) a zipper.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in fig. 1-2, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to fig. 1-2 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the present utility model, a backpack is provided, which includes a backpack body 100 and a strap 200, wherein the strap 200 is adjustably connected to one side of the backpack body 100; the backpack body 100 is divided into a first cavity 110 and a second cavity 120, and a communication port 130 which can be communicated or closed with the outside is arranged on the first cavity 110; the second cavity 120 is internally provided with a first air bag 140 and a second air bag 150 which are outwards propped up, so that the first air bag 140 and the second air bag 150 form a protrusion 170 on the surface of the backpack body 100, the first air bag 140 is communicated with the second air bag 150 in a sealing way, the first air bag 140 is made of an elastic material, the first air bag 140 is contracted and deformed by external force to conduct air flow to the second air bag 150, and the deformation of the first air bag 140 is recovered after the external force is removed. In the embodiment of the utility model, the backpack body 100 is formed by packing a plush toy, the backpack 200 is adjustably connected to the backpack body 100, a user can adjust the length of the backpack 200 to find a proper comfortable backpack feel, the first cavity 110 is provided with the communication port 130, the user can put in or take out objects through the communication port 130, the design is attractive, the first air bag 140 and the second air bag 150 are outwards stretched to form a protrusion 170, the appearance of the protrusion 170 can be the characteristics of the feet or hands of the toy, the material of the first air bag 140 is elastic, the user can pinch the first air bag 140 by generating an external force, the first air bag 140 is in sealed communication with the second air bag 150 due to the fact that the first air bag 140 is deformed and contracted by force, the air flow is conducted to the second air bag 150 to enable the second air bag 150 to be big, after the user loosens hands, the first air bag 140 is deformed due to the elastic material, and then the pressure difference is generated to restore after the deformation is eliminated, the air flow of the second air bag 150 is returned to the first air bag 140, and the restoration is completed. The user holds the backpack on the back at intervals and holds the first air bag 140, the second air bag 150 bulges to drive the part to bulge and shrink, and the backpack has the basic storage function, playability and good decompression feel, and meets the requirements of the user.

Further, a third air bag 160 extending outwards is further arranged in the second cavity 120, and the third air bag 160 is in sealing communication with the first air bag 140 and the second air bag 150. In this embodiment, the first airbag 140 is a main airbag, the second airbag 150 or the third airbag 160 is a sub-airbag, and a plurality of sub-airbags may be controlled by the first airbag 140, so that the abundant features of the sub-airbags can be utilized, and the playability is improved.

Further, a pocket 210 for accommodating is provided on the outer side of the backpack body 100, and a third cavity with an upward opening is provided in the pocket 210. In this embodiment, the upwardly open pocket 210 can be used for storing articles, thereby enriching the storage space.

Further, an adjusting buckle 220 for adjusting the length of the back strap 200 is arranged on the back strap 200, and a fixing buckle 230 is arranged at one end of the backpack body 100 close to the back strap 200; one end of the back strap 200 is fixedly connected to the outer surface of the backpack body 100, and the other end is connected to the free portion of the adjustment strap 220. In this embodiment, this is a common backpack strap structure, when adjustment is needed, the strap 200 on the adjusting strap 220 is loosened, the adjusting strap 220 is moved, the distance between the strap 200 on the free portion and the fixed strap 230 is changed, and the extra strap 200 is locked from the adjusting strap 220, so that adjustment is completed.

Further, the communication port 130 is opened or closed by a zipper 240. When the bag 210 is not needed, the zipper 240 is then pulled closed, and when the bag 210 is needed, the zipper 240 is pulled open.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (5)

1. A backpack, characterized by comprising a backpack body and a brace, wherein the brace is adjustably connected to one side of the backpack body; a first cavity and a second cavity are formed in the backpack body, and a communication port capable of being communicated or closed with the outside is formed in the first cavity; a first air bag and a second air bag which extend outwards are arranged in the second cavity, so that the first air bag and the second air bag form a protrusion on the surface of the backpack body; the first air bag is communicated with the second air bag in a sealing way, the first air bag is made of elastic materials, the first air bag is contracted and deformed by external force to conduct air flow to the second air bag, and the deformation of the first air bag is recovered after the external force is removed.

2. The backpack of claim 1, wherein a third outwardly projecting bladder is also disposed within the second cavity, the third bladder being in sealed communication with both the first bladder and the second bladder.

3. The backpack of claim 1, wherein the outer side of the backpack body is provided with a pocket for receiving, and wherein the pocket is provided with a third cavity with an upward opening.

4. The backpack according to claim 1, wherein an adjusting buckle belt for adjusting the length of the backpack is arranged on the backpack body, and a fixing buckle belt is arranged at one end, close to the backpack, of the backpack body; one end of the brace is fixedly connected to the outer surface of the backpack body, and the other end of the brace is connected to the free part of the adjusting buckle strap.

5. The backpack of claim 1, wherein the communication port is opened or closed by a zipper.