CN216875395U

CN216875395U - Airtight waterproof knapsack of TPU material

Info

Publication number: CN216875395U
Application number: CN202220103360.4U
Authority: CN
Inventors: 陈波
Original assignee: Dongguan Fenglinwan Leisure Products Co ltd
Current assignee: Dongguan Fenglinwan Leisure Products Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-05
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the field of backpacks, in particular to a TPU (thermoplastic polyurethane) airtight waterproof backpack which comprises front cloth; the back cloth is arranged at the rear end of the front cloth, the double-shoulder braces are arranged on the outer side of the back cloth, the bag body cloth is arranged between the front cloth and the back cloth, and the bag body cloth is adhered to the front cloth and the back cloth; the bag comprises bag body cloth, wherein an airtight zipper is arranged on one side, close to the front cloth, of the upper end of the bag body cloth, two ends of the airtight zipper are arranged in the middle of the bag body cloth, and waterproof silica gel is respectively arranged on the front side and the rear side of the upper end of the airtight zipper. The front cloth, the back cloth and the bag body cloth are adhered to each other, and the airtight zipper and the waterproof silica gel are arranged at the upper end of the bag body cloth, so that the backpack has strong waterproofness when the airtight zipper is closed; and because the air tightness of the backpack, the backpack can be changed into a floating object for life saving when falling into water, thereby effectively improving the practicability of the backpack.

Description

Airtight waterproof knapsack of TPU material

Technical Field

The utility model relates to the field of backpacks, in particular to an airtight and waterproof TPU (thermoplastic polyurethane) backpack.

Background

The backpack refers to a general name of a bag carried on the back when people go out or march, the materials are diversified, real leather, plastic materials, terylene, canvas, nylon, cotton-flax and other texture bags lead fashion trends, meanwhile, in the period of putting the personality on a list more and more, various styles such as simplicity, antique and cartoon also cater to the requirement of fashion people on developing the personality from different sides, and the style of the bag is also expanded from the traditional business bag, schoolbag and traveling bag to a pen bag.

Modern knapsack, the function singleness, and waterproof performance is relatively poor for when rainy day uses, inside intake easily, when making daily use, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme capable of solving the problems in order to overcome the defects.

An airtight waterproof backpack of TPU material, including the front cloth;

the back cloth is arranged at the rear end of the front cloth, the front cloth and the back cloth are both rectangular structures with chamfers, shoulder straps are arranged on the outer side of the back cloth, a bag body cloth is arranged between the front cloth and the back cloth and sleeved on the outer sides of the front cloth and the back cloth, and the bag body cloth is adhered to the front cloth and the back cloth;

one side of the upper end of the bag cloth, which is close to the front cloth, is provided with an airtight zipper, two ends of the airtight zipper are arranged in the middle of the bag cloth, waterproof silica gel is respectively arranged on the front side and the rear side of the upper end of the airtight zipper, and the waterproof silica gel on the two sides are in contact with each other when the airtight zipper is closed.

As a further scheme of the utility model: the inner side of the back cloth is provided with a plurality of storage bags, and an elastic belt is arranged between each storage bag and the back cloth.

As a further scheme of the utility model: the front cloth, the back cloth and the bag body cloth are respectively made of TPU materials.

As a further scheme of the utility model: the outer side of the back cloth is provided with a soft pad, and the soft pad and the upper and lower ends of the backpack braces are sewn together.

As a further scheme of the utility model: the middle part of the upper end of the bag body cloth is provided with a handle, and the left side and the right side of the bag body cloth are respectively hinged with a hanging ring.

Compared with the prior art, the utility model has the beneficial effects that: the front cloth, the back cloth and the bag body cloth are adhered to each other, and the airtight zipper and the waterproof silica gel are arranged at the upper end of the bag body cloth, so that the backpack has strong waterproofness when the airtight zipper is closed; and because the air tightness of the backpack, the backpack can be changed into a floating object for life saving when falling into water, thereby effectively improving the practicability of the backpack.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions in the present embodiment or the prior art, the drawings needed to be used in the description of the embodiment or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a side view of the present invention.

FIG. 3 is a schematic view showing the structure of the airtight zipper when closed.

Shown in the figure: 1. front cloth; 2. a back cloth; 3. shoulder straps; 4. bag body cloth; 5. an airtight zipper; 6. waterproof silica gel; 7. a storage bag; 8. an elastic band; 9. a soft cushion; 10. a handle; 11. and (5) hanging a ring.

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.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, an airtight and waterproof TPU backpack includes a front cloth 1;

the back cloth 2 is arranged at the rear end of the front cloth 1, the front cloth 1 and the back cloth 2 are both rectangular structures with chamfers, two-shoulder braces 3 are arranged on the outer side of the back cloth 2, a bag body cloth 4 is arranged between the front cloth 1 and the back cloth 2, the bag body cloth 4 is sleeved on the outer sides of the front cloth 1 and the back cloth 2, and the bag body cloth 4 is adhered to the front cloth 1 and the back cloth 2;

one side of the upper end of the bag body cloth 4 close to the front cloth 1 is provided with an airtight zipper 5, the two ends of the airtight zipper 5 are arranged in the middle of the bag body cloth 4, the front side and the rear side of the upper end of the airtight zipper 5 are respectively provided with waterproof silica gel 6, and the waterproof silica gel 6 on the two sides are in contact with each other when the airtight zipper 5 is closed.

The front cloth 1, the back cloth 2 and the bag body cloth 4 are adhered to each other, and the airtight zipper 5 and the waterproof silica gel 6 are arranged at the upper end of the bag body cloth 4, so that the backpack has strong waterproofness when the airtight zipper 5 is closed; and because the air tightness of the backpack after the airtight zipper 5 is closed, the backpack can be changed into a floater for life saving when falling into water, thereby effectively improving the practicability of the backpack.

As a further scheme of the utility model: a plurality of storage bags 7 are arranged on the inner side of the back cloth 2, and an elastic belt 8 is arranged between each storage bag 7 and the back cloth 2.

Articles can be placed inside the storage bag 7.

As a further scheme of the utility model: the front cloth 1, the back cloth 2 and the bag body cloth 4 are made of TPU materials respectively.

The backpack has the characteristics of high strength, good toughness, wear resistance and high waterproofness.

As a further scheme of the utility model: the outer side of the back cloth 2 is provided with a soft cushion 9, and the soft cushion 9 and the upper and lower ends of the shoulder straps 3 are sewed together.

The comfort level when using the backpack can be improved.

As a further scheme of the utility model: the middle part of the upper end of the bag body cloth 4 is provided with a handle 10, and the left side and the right side of the bag body cloth 4 are respectively hinged with a hanging ring 11.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element described by the phrase "comprising a. -" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended 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. The utility model provides an airtight waterproof knapsack of TPU material which characterized in that: comprises a front cloth;

2. The airtight and waterproof TPU backpack as claimed in claim 1, wherein: the inner side of the back cloth is provided with a plurality of storage bags, and an elastic belt is arranged between each storage bag and the back cloth.

3. The airtight and waterproof TPU backpack as claimed in claim 1, wherein: the front cloth, the back cloth and the bag body cloth are respectively made of TPU materials.

4. The airtight and waterproof TPU backpack as claimed in claim 1, wherein: the outer side of the back cloth is provided with a soft pad, and the soft pad and the upper and lower ends of the backpack braces are sewn together.

5. The airtight and waterproof TPU backpack as claimed in claim 1, wherein: the middle part of the upper end of the bag body cloth is provided with a handle, and the left side and the right side of the bag body cloth are respectively hinged with a hanging ring.