CN110604389A

CN110604389A - Expandable schoolbag and combination method thereof

Info

Publication number: CN110604389A
Application number: CN201910979272.3A
Authority: CN
Inventors: 刘宣宇; 王冠为
Original assignee: Individual
Current assignee: Wang Guanwei
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2019-12-24

Abstract

The invention discloses an expandable schoolbag, which mainly comprises a first part, a second part, a third part, a fourth part, braces and a connecting part, wherein the first part is provided with a first zipper, one side and the other side of the second part are respectively provided with a second zipper, one side and the other side of the third part are respectively provided with a third zipper, one side of the fourth part is provided with a fourth zipper, one side of the fourth part, which is far away from the fourth zipper, is provided with a third fastener, the braces are connected with the other side of the first part, one end of the connecting part is connected with the top of the other side of the first part, and the other side of the connecting part is provided with a fourth fastener mutually clamped with the third fastener.

Description

Expandable schoolbag and combination method thereof

Technical Field

The invention relates to the technical field of schoolbag, in particular to an expandable schoolbag and a combination method thereof.

Background

At present, the schoolbag is the indispensable articles for students to hold books, and with the aggravation of academic tasks, the quantity of student books is more and more, but schoolbag commonly used just has clear function from dispatching from the factory, and the function seems comparatively single in the use, only sets up soft parcel in different positions fixed basically in order to strengthen the holding capacity. When other functions are needed, other special tools or a backpack is needed to be replaced. Meanwhile, the schoolbag combination method is single, and redundant elements of the schoolbag cannot be guaranteed to be used.

Disclosure of Invention

The invention aims to provide an expandable schoolbag and a combination method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an expandable schoolbag, comprising: the zipper comprises a first part, a second part, a third part, a fourth part, a strap and a connecting part, wherein one side of the first part is provided with an annular first zipper arranged along the edge of the first part, one side and the other side of the second part are respectively provided with a second zipper arranged along the edge of the second part, the second zipper is mutually meshed with the first zipper, the other side of the second part is provided with a first fastener, one side and the other side of the third part are respectively provided with a third zipper arranged along the edge of the third part, the third zipper, the second zipper and the first zipper are mutually meshed, the other side of the third part is provided with a second fastener, one side of the fourth part is provided with a fourth zipper arranged along the edge of the fourth part, and the fourth zipper, the third zipper, the second zipper and the first zipper are mutually meshed, and a third fastener is arranged on one side of the fourth part, which is far away from the fourth zipper, the third fastener, the second fastener and the first fastener are completely consistent in structure, the strap is connected with the other side of the first part, one end of the connecting part is connected with the top of the other side of the first part, and a fourth fastener which is mutually clamped with the third fastener is arranged on the other side of the connecting part.

Furthermore, a supporting plate is arranged on one side, close to the straps, of the first portion, massage air cushions are arranged on the supporting plate and the straps, and the massage air cushions are multiple.

Further, the second part, the third part and the fourth part are completely consistent in structure and comprise a containing bag body, the inside of the containing bag body is divided into a plurality of containing cavities through partition plates, and a reinforcing layer is arranged on a bottom plate of the containing bag body.

Further, the reinforcing layer comprises a base plate and an anti-slip pad, the anti-slip pad is arranged at the bottom of the base plate, a reinforcing net is arranged at the top of the base plate, and the base plate is made of plastic.

Furthermore, fifth fasteners are arranged on two sides of the accommodating bag body.

Compared with the prior art, the invention has the beneficial effects that:

the bag body is simple in structure, safe and convenient to use, capable of freely selecting the carrying capacity of the bag body through the combined structure arrangement, and simple to combine.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail with reference to the following drawings.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a second partial structural view of the present invention;

FIG. 4 is a schematic view of a third embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a reinforcing layer structure according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: an expandable schoolbag, comprising: the zipper comprises a first part 1, a second part 2, a third part 3, a fourth part 4, a strap 5 and a connecting part 21, wherein one side of the first part 1 is provided with a ring-shaped first zipper 6 arranged along the edge of the first part, one side and the other side of the second part 2 are respectively provided with a second zipper 7 arranged along the edge of the second part, the second zipper 7 is mutually meshed with the first zipper 6, the other side of the second part 2 is provided with a first fastener 8, one side and the other side of the third part 3 are respectively provided with a third zipper 9 arranged along the edge of the third part 3, the third zipper 9, the second zipper 7 and the first zipper 6 are mutually meshed, the other side of the third part 3 is provided with a second fastener 10, one side of the fourth part 4 is provided with a fourth zipper 11 arranged along the edge of the fourth part 4, and the fourth zipper 11, the third zipper 9, the second zipper 7 and the first zipper 6 are mutually meshed The third fastener 12 is arranged on one side of the fourth part 4, which is far away from the fourth zipper 11, the structures of the third fastener 12, the second fastener 10 and the first fastener 8 are completely consistent, the strap 5 is connected with the other side of the first part 1, one end of the connecting part 21 is connected with the top of the other side of the first part 1, and the fourth fastener 13 which is mutually clamped with the third fastener 12 is arranged on the other side of the connecting part 21; when the bag is used, the bag body can be freely combined according to actual requirements, and the first part and the fourth part are meshed through the zipper, so that the first part and the fourth part are connected together to form the bag body. If the holding capacity needs to be increased, a second part and a third part can be added between the first part and the fourth part to meet the requirement. Meanwhile, the first portion and the second portion or the third portion may be connected in advance. Finally, after the bag body is confirmed, the bag body is connected with the corresponding fastener through the fastener of the connecting part

Optionally, a support plate 14 is arranged on one side of the first portion 1 close to the shoulder strap 5, and a plurality of massage air cushions are arranged on the support plate 14 and the shoulder strap 5; adopt this project organization, in order to ensure the travelling comfort when using, simultaneously, still be provided with the connecting band on the braces, just the connecting band both ends are connected with the medial surface of two braces respectively to be provided with breakable buckle on the connecting band, still be provided with alarm device on the connecting band, alarm device includes following one or its combination at least, whistle, alarm whistle and warning light.

Optionally, the second part 2, the third part 3 and the fourth part 4 have the same structure, and include a bag body 15, the bag body 15 is divided into a plurality of accommodating cavities by partitions, and a reinforcing layer 16 is disposed on a bottom plate of the bag body; the reinforcing layer 16 comprises a base plate 17 and an anti-skid pad 18, the anti-skid pad 18 is arranged at the bottom of the base plate 17, a reinforcing net 19 is arranged at the top of the base plate 17, and the base plate 17 is made of plastic; adopt this project organization, be in order to ensure the use intensity who holds the bag body to, in this embodiment, it has the reflection of light strip of multichannel still to coat on the bag body to hold for ensure the security of user's walking night, and it has the self-cleaning coating of one deck still to coat on the bag body to hold.

Optionally, fifth fasteners 20 are further disposed on two sides of the accommodating bag body 15; it should be noted that, the fifth fastening member is a snap fastener, and this is designed to ensure the connectivity between the adjacent receiving bag bodies.

Optionally, a handle is further arranged, the handle is made of hard materials, the handle is arranged on the top of the connecting portion, an accommodating cavity is formed in the top of the handle, and a left compass and a right compass are arranged in the accommodating cavity. Optionally, a cover plate is further arranged and made of transparent materials, and the cover plate is arranged at the top of the lifting handle and covers the accommodating cavity.

Optionally, the cover plate is coated with a wear-resistant coating.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An expandable schoolbag comprises the following components:

the first part (1), one side of the first part (1) is provided with a ring-shaped first zipper (6) arranged along the edge of the first part;

the second part (2), one side and the other side of the second part (2) are provided with second zippers (7) arranged along the edges of the second part, the second zippers (7) are mutually meshed with the first zippers (6), and the other side of the second part (2) is provided with a first fastener (8);

the third part (3), one side and the other side of the third part (3) are provided with a third zipper (9) arranged along the edge of the third part (3), the third zipper (9), the second zipper (7) and the first zipper (6) are mutually meshed, and the other side of the third part (3) is provided with a second fastener (10);

a fourth zipper (11) arranged along the edge of the fourth part (4) is arranged on one side of the fourth part (4), the fourth zipper (11), the third zipper (9), the second zipper (7) and the first zipper (6) are mutually meshed, a third fastener (12) is arranged on one side, far away from the fourth zipper (11), of the fourth part (4), and the third fastener (12), the second fastener (10) and the first fastener (8) are completely consistent in structure;

a strap (5), wherein the strap (5) is connected with the other side of the first part (1);

one end of the connecting portion (21) is connected with the top of the other side of the first portion (1), and a fourth fastener (13) which is mutually clamped with the third fastener (12) is arranged on the other side of the connecting portion (21).

2. An expandable schoolbag as claimed in claim 1, wherein: a supporting plate (14) is arranged on one side, close to the straps (5), of the first portion (1), massage air cushions are arranged on the supporting plate (14) and the straps (5), and the number of the massage air cushions is multiple.

3. An expandable schoolbag as claimed in claim 1, wherein: the structure of the second part (2), the third part (3) and the fourth part (4) is completely consistent, the second part comprises a containing bag body (15), the inside of the containing bag body (15) is divided into a plurality of containing cavities through partition boards, and a reinforcing layer (16) is arranged on a bottom plate of the containing bag body.

4. An expandable schoolbag as claimed in claim 3, wherein: the reinforcing layer (16) comprises a base plate (17) and an anti-slip pad (18), the anti-slip pad (18) is arranged at the bottom of the base plate (17), a reinforcing net (19) is arranged at the top of the base plate (17), and the base plate (17) is made of plastic.

5. An expandable schoolbag as claimed in claim 3, wherein: fifth fasteners (20) are further arranged on two sides of the accommodating bag body (15).