CN216932242U

CN216932242U - Waterproof backpack

Info

Publication number: CN216932242U
Application number: CN202122189262.5U
Authority: CN
Inventors: 郑增义; 姚宗建
Original assignee: Huizhou Hongfeng Technology Development Co ltd
Current assignee: Huizhou Hongfeng Technology Development Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-07-12
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to a waterproof backpack which comprises a backpack body, wherein the backpack body is provided with a first opening, a flexible waterproof bag is fixedly arranged inside the backpack body, the upper end part of the flexible waterproof bag is provided with a second opening, a locking device is arranged at the second opening, and the locking device comprises a flexible boosting sheet and connecting buckles arranged at two ends of the flexible boosting sheet. The waterproof backpack is simple in structure, the flexible waterproof bag is independently arranged in the backpack main body, the waterproof effect can be achieved, the cost can be effectively saved, the shape of the backpack main body is not changed, the backpack main body is the same as that of a conventional backpack, and the attractiveness and the practical effect of the waterproof backpack are improved.

Description

Waterproof backpack

Technical Field

The utility model relates to the technical field of backpacks, in particular to a waterproof backpack.

Background

Backpacks, bags carried on the back, are made of various materials, including genuine leather, plastic materials, terylene, canvas, nylon, cotton, linen and the like. Currently available backpacks are limited in cost, and usually only the surface of the backpack is coated with a waterproof material to achieve a surface partial waterproof effect, however, water drops still easily seep into the interior of the backpack from the zipper. In addition, when the backpack stores some cold drinks or frozen foods, accumulated water is easily formed in the backpack, on one hand, the backpack can be wetted, and on the other hand, when the backpack is carried on the back and stooped, the accumulated water is easily flowed out from an opening at the top of the backpack and flows onto the head or the neck of a person, so that the use experience is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a waterproof backpack to solve the above technical problems.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a waterproof backpack, includes the knapsack main part, the knapsack main part is equipped with first opening, the fixed flexible waterproof bag that is equipped with in inside of knapsack main part, the upper end of flexible waterproof bag is equipped with the second opening, the second opening part is equipped with locking device, locking device includes flexible helping hand piece and locates the connector link at flexible helping hand piece both ends.

Further, a portion of the flexible waterproof bag extends outside the first opening.

Further, the flexible waterproof bag does not have any string holes.

Furthermore, a connecting sheet is arranged on the flexible waterproof bag, the connecting sheet is fixed on the outer surface of the flexible waterproof bag in a hot pressing mode, and the flexible waterproof bag is sewn in the storage bag through the connecting sheet.

Further, the upper end portion of the flexible waterproof bag forms a double-layer or multi-layer hollow portion surrounding the second opening, the flexible power assisting sheet is arranged in the hollow portion, and the connecting buckle is exposed out of the hollow portion.

Furthermore, the hollow part is provided with two gaps, the flexible power assisting pieces are two pieces which are oppositely arranged, and two ends of each flexible power assisting piece are respectively connected together and connected with the connecting buckle.

Furthermore, the connector link includes pin thread and box, pin thread and box are fixed respectively the second opening part, and are located the relative both ends of flexible helping hand piece.

Further, the knapsack main part includes storing bag and sealing bag, first opening is located the upper end of storing bag, sealing bag is used for sealing first opening.

Furthermore, the storage bag and the sealing bag are both of barrel-shaped structures, one part of the edge of the storage bag is fixedly connected with one part of the edge of the sealing bag, and the other part of the edge of the storage bag is detachably connected with the sealing bag through a zipper.

Furthermore, the inner side surfaces of the storage bag and the sealing bag are provided with heat insulation layers.

Compared with the prior art, the utility model has the beneficial effects that:

according to the waterproof backpack disclosed by the utility model, the flexible waterproof bag is arranged in the backpack main body, articles are stored in the flexible waterproof bag, one part of the flexible waterproof bag extends to the outside of the first opening, the flexible waterproof bag is wound around the flexible boosting sheet for several circles and then the connecting buckle is locked, and then the first opening is closed, so that the sealing of the inside of the flexible waterproof bag is realized, and the phenomenon that accumulated water in the flexible waterproof bag seeps outwards or the outside water permeates into the inside of the flexible waterproof bag is avoided. The waterproof backpack is simple in structure, the flexible waterproof bag is independently arranged in the backpack main body, the waterproof effect can be achieved, the cost can be effectively saved, the shape of the backpack main body is not changed, the backpack main body is the same as that of a conventional backpack, and the attractiveness and the practical effect of the waterproof backpack are improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic front structure diagram according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a private flexible waterproof bag embodying the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1-3, a preferred embodiment of the present invention is shown.

The utility model provides a waterproof backpack, includes the knapsack main part, the knapsack main part is equipped with first opening, the fixed flexible waterproof bag 3 that is equipped with in inside of knapsack main part, the upper end of flexible waterproof bag 3 is equipped with the second opening, and the second opening part is equipped with locking device, and locking device includes flexible helping hand piece 4 and locates the connector link 5 at 4 both ends of flexible helping hand piece. Wherein a portion of the flexible waterproof bag extends outside of the first opening; the connecting buckle 5 comprises a male buckle 51 and a female buckle 52, wherein the male buckle 51 and the female buckle 52 are respectively fixed at the second opening and located at two opposite ends of the flexible power assisting sheet 4. It should be noted that the flexible waterproof bag 3 of the present embodiment is made of TPU material, and the flexible waterproof bag 3 does not have any string holes.

The backpack body of the present embodiment includes a storage bag 1 and a sealing bag 2, the first opening is disposed at an upper end of the storage bag 1, and the sealing bag 2 is used for sealing the first opening. The storage bag and the sealing bag are of barrel-shaped structures, one part of the edge of the storage bag is fixedly connected with one part of the edge of the sealing bag, and the other part of the edge of the storage bag is detachably connected with the sealing bag through a zipper. Wherein, storing bag 1 and sealing bag 2 are the tubbiness structure, and storing bag 1 and sealing bag 2 edge partly fixed connection, another part is through zip fastener detachable connection. The sealing bag 2 can be turned over by unzipping the zipper, so that articles can be conveniently taken out of the flexible waterproof bag 3 or the articles can be put into the flexible waterproof bag 3. The first opening of knapsack main part and the second opening of flexible waterproof bag 3 all up can be made to this kind of setting, conveniently deposits and takes out article.

This embodiment is when using, can store article in flexible waterproof bag 3, and the partly of flexible waterproof bag 3 extends to first open-ended outside, through with flexible waterproof bag 3 around flexible helping hand piece 4 winding several rings after locking connection buckle 5 again, closes storing bag 1 again and seals bag 2 to realize the inside sealed of flexible waterproof bag 3, avoid the inside ponding of flexible waterproof bag 3 toward oozing outward, perhaps outside water infiltration flexible waterproof bag 3 is inside. Its simple structure sets up a flexible waterproof bag 3 alone in storing bag 1 and sealing bag 2, both can play waterproof effect, can also effectively save the cost, does not change the shape of knapsack main part simultaneously, the knapsack main part with conventional knapsack be as good as, promoted waterproof knapsack's aesthetic property and practical function.

In this embodiment, the flexible waterproof bag 3 is provided with a connecting sheet 31, the connecting sheet 31 is fixed on the outer surface of the flexible waterproof bag 3 by hot pressing, and the flexible waterproof bag 3 is sewn in the storage bag 1 through the connecting sheet 31. Certain allowance is left at the bottom of the flexible waterproof bag 3 during production and manufacturing, so that the bottom of the flexible waterproof bag 3 can be sewn on the storage bag 1, the flexible waterproof bag 3 can be attached to the storage bag 1, and the connecting sheet 31 can be sewn at a first opening on the storage bag 1 and is sewn with the zipper synchronously.

The upper end portion of the flexible waterproof bag 3 forms a double-or multi-layered hollow portion surrounding the second opening, the flexible power assist sheet 4 is disposed in the hollow portion, and the coupling buckle 5 is exposed outside the hollow portion. Specifically, the upper end of the flexible waterproof bag 3 is folded to form the hollow portion. The upper end of the flexible waterproof bag 3 is folded and fused and fixed through hot pressing, the hollow part is provided with two notches for inserting the flexible boosting sheets 4, the two notches are two, the flexible boosting sheets 4 are two sheets which are oppositely arranged, and two ends of the two flexible boosting sheets 4 are respectively connected together and are connected with the connecting buckle 5. The hollow part is of a totally enclosed structure during manufacturing, and the notch can be cut in a cutting mode in order to facilitate the assembly of the flexible power assisting sheet 4. The flexible power assisting sheet 4 is two sheets, the flexible power assisting sheet 4 is arranged to facilitate the winding of the flexible waterproof bag 3, the stability of the second opening is improved, and the flexible structure is arranged to be hidden in the backpack body.

In this embodiment, the side pockets 6 are provided on both the left and right sides of the storage bag 1. The front side of the storage bag 1 is provided with a front bag 7, and the back side of the storage bag 1 is provided with a brace. In addition, the inner surfaces of the storage bag 1 and the sealing bag 2 are both provided with heat insulation layers. The arrangement of the heat insulation layer can reduce the loss of temperature, and the backpack is convenient for storing articles such as cold drinks, frozen foods and the like.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not 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.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a waterproof backpack, its characterized in that, includes the knapsack main part, the knapsack main part is equipped with first opening, the inside of knapsack main part is fixed and is equipped with flexible waterproof bag (3), the upper end of flexible waterproof bag (3) is equipped with the second opening, the second opening part is equipped with locking device, locking device includes flexible helping hand piece (4) and locates connector link (5) at flexible helping hand piece (4) both ends.

2. Waterproof backpack according to claim 1, characterized in that a portion of said flexible waterproof bag (3) extends outside said first opening.

3. Waterproof backpack according to claim 1, characterized in that said flexible waterproof bag (3) does not have any string holes.

4. The waterproof backpack according to claim 1, characterized in that the flexible waterproof bag (3) is provided with a connecting sheet (31), the connecting sheet (31) is fixed on the outer surface of the flexible waterproof bag (3) by means of hot pressing, and the flexible waterproof bag (3) is sewn in the backpack body through the connecting sheet (31).

5. A waterproof backpack according to claim 1, characterized in that the upper end of the flexible waterproof bag (3) forms a double or multi-layered hollow part surrounding the second opening, the flexible force-aid sheet (4) being arranged inside the hollow part, the connecting button (5) being exposed outside the hollow part.

6. The waterproof backpack as claimed in claim 5, wherein said hollow portion has two notches, said flexible force-assisting sheet (4) is two pieces oppositely disposed, and two ends of said flexible force-assisting sheet (4) are connected together and connected to said connecting buckle (5).

7. The waterproof backpack according to claim 1, wherein the connection buckle (5) comprises a male buckle (51) and a female buckle (52), the male buckle (51) and the female buckle (52) are respectively fixed at the second opening and located at two opposite ends of the flexible power assisting sheet (4).

8. Waterproof backpack according to claim 1, characterized in that the backpack body comprises a storage bag (1) and a sealing bag (2), the first opening being provided at an upper end of the storage bag (1), the sealing bag (2) being adapted to close the first opening.

9. The waterproof backpack according to claim 8, characterized in that the storage bag (1) and the sealing bag (2) are both barrel-shaped structures, one part of the edges of the storage bag (1) and the sealing bag (2) is fixedly connected, and the other part is detachably connected by a zipper.

10. Waterproof backpack according to claim 8, characterized in that the inner side surfaces of the storage bag (1) and the sealing bag (2) are provided with a thermal insulation layer.