CN219146946U

CN219146946U - Volume-adjustable knapsack

Info

Publication number: CN219146946U
Application number: CN202223323354.9U
Authority: CN
Inventors: 庄淑娟
Original assignee: Guangzhou Dibai Luggage Co ltd
Current assignee: Guangzhou Dibai Luggage Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-09
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a volume-adjustable back bag, which comprises a bag body, a brace arranged on the bag body and a capacity expansion part positioned at the bottom of the bag body, wherein the upper end of the capacity expansion part is connected with the bag body, and the capacity expansion part is provided with a dental chain belt consisting of an upper dental chain belt and a lower dental chain belt and a zipper head for splicing the upper dental chain belt and the lower dental chain belt; the dental chain belt comprises an initial section and a folding section, and the initial section is arranged on the outer side wall of the capacity expansion part; the upper tooth chain belt and the lower tooth chain belt of the initial section are in herringbone bifurcation and extend to the upper end and the lower end of the capacity expansion part, and enter a folding section, and the folding section surrounds the upper end and the lower end of the capacity expansion part for a circle; the outer side wall of the bag body above the capacity expansion part is provided with a storage bag, and the storage bag is closed by a zipper with a double-handle zipper head; the utility model has the functions of volume adjustment and integral storage, and has changeable shape, more functions and strong practicability.

Description

Volume-adjustable knapsack

Technical Field

The utility model relates to the field of bags, in particular to a multifunctional handbag integrating capacity expansion and storage.

Background

The handbag is taken as a good helper for people to store articles in daily travel in the field of bags. However, the existing handbag has the disadvantages of fixed capacity and shape, simple structure, single function, and large occupied space and inconvenient collection because the existing handbag cannot be stored when not in use. The Chinese patent application with the publication number of CN103445432A discloses a schoolbag with adjustable volume, which comprises a schoolbag body and a schoolbag belt, wherein the bottom of the schoolbag body is provided with a folding part, the bottom edge of the folding part is provided with a circle of folded edges sewn on the schoolbag body, the folded edges are provided with a plurality of folding buttonholes, the upper edge of the folding part is provided with a circle of folded edges sewn on the schoolbag body, and the folded edges are provided with folding buttons with the same number as the folding buttonholes, and the folding part is folded through the folding buttonholes and the folding buttons. The expansion and folding are carried out in a button opening and closing mode, so that the operation is time-consuming, the function is single, and the practicability is low.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the handbag which has adjustable volume, reasonable structure, more functions and strong practicability and can be integrally stored.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the back bag with the adjustable volume comprises a bag body, a brace arranged on the bag body and a capacity expansion part positioned at the bottom of the bag body, wherein the upper end of the capacity expansion part is connected with the bag body, and the capacity expansion belt is provided with a dental chain belt consisting of an upper dental chain belt and a lower dental chain belt and a zipper head for splicing the upper dental chain belt and the lower dental chain belt; the dental chain belt comprises an initial section and a folding section, and the initial section is arranged on the outer side wall of the capacity expansion part; the upper tooth chain belt and the lower tooth chain belt of the initial section are in herringbone bifurcation and extend to the upper end and the lower end of the capacity expansion part, and enter a folding section, and the folding section surrounds the upper end and the lower end of the capacity expansion part for a circle; the bag body is provided with a storage bag on the outer side wall above the capacity expansion part, and the storage bag is closed by a zipper with a double-handle zipper head.

Further, a first storage bag is arranged on the inner side wall of the bag body, a water-resisting layer is arranged in the first storage bag, and the first storage bag is closed through a zipper.

Further, the outer side wall of the bag body is also provided with a transverse strap, the strap and the outer side wall of the bag body form a strap groove which is vertically communicated, and the strap is provided with a second storage bag.

Further, the braces include two, sew up respectively on the front and back lateral wall of the bag body.

Further, a third storage bag is arranged on the left side or the right side or both sides of the storage bag.

Further, the bag body is provided with a lifting buckle, a female buckle of the lifting buckle is oppositely sewed at the left end and the right end of the bag body through a buckle belt, a child buckle of the lifting buckle is sewed on the outer side wall of the bag body below the female buckle through the buckle belt, and a space is reserved between the child buckle belt and the female buckle belt.

Further, after the storage bag is turned over, the bag body and the back strap can be contained in the storage bag.

Further, the inner side wall of the storage bag is provided with a fourth storage bag.

The utility model has the beneficial effects that:

1. the back bag has various dilatation modes, including arranging dilatation parts at the bottom of the back bag and lifting buckles at the left side and the right side of the back bag, so that the multi-stage adjustment of the back bag volume can be realized.

2. When the knapsack is not used, the knapsack main body can be stored in the storage bag, so that the whole volume is reduced, and the knapsack is convenient to store.

3. The surface of the back bag is provided with a plurality of storage bags, which are convenient for users to take and put and classify articles.

4. The knapsack is provided with the strap which is sleeved with the draw-bar box draw-bar, the strap can enable the knapsack and the draw-bar to be combined to be more fit, the knapsack is not loose, and the shaking amplitude of the knapsack in the travelling process of the draw-bar box is greatly reduced.

The utility model has reasonable integral structure, more functions and strong practicability.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the capacity expansion state structure of the capacity expansion part of the present utility model;

FIG. 3 is a schematic view of the structure of the expansion part in the folded state of the utility model;

fig. 4 is a schematic view of the structure of the bag body and the back strap of the present utility model accommodated in the accommodating bag.

Fig. 5 is a schematic structural view of the present utility model.

The specific embodiment is as follows:

the principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. In the description, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience in describing the present patent and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present patent.

The shape of the backpack with adjustable volume can be a backpack, a waist bag, a handbag and the like, and the embodiment is schematically illustrated by a conventional handbag bag, and the description of the shape of the backpack by the specification and the attached drawing of the specification cannot be understood as limiting the protection scope of the patent.

According to the volume-adjustable back bag shown in fig. 1-4, the back bag comprises a bag body 1, a brace 2 arranged on the bag body 1 and a capacity expansion part 3 arranged at the bottom of the bag body 1, wherein the upper end of the capacity expansion part 3 is connected with the bag body 1, and the inner side wall of the capacity expansion part 3 is communicated with the inner side wall of the bag body 1. The expansion part 3 is sewed with a zipper tape which is spliced and closed by an upper zipper tape and a lower zipper tape and a zipper head 30 for splicing and closing; the tooth chain belt is divided into a starting section 31 and a folding section 32, and the starting sections 31 of the upper tooth chain belt and the lower tooth chain belt of the tooth chain belt are arranged on the outer side wall of the capacity expansion part 3; preferably, the end point of the initial section 31 is arranged in the middle of the outer side wall of the expansion part 3. The upper tooth chain belt and the lower tooth chain belt of the initial section 31 are forked in a herringbone shape and extend to the upper end and the lower end of the capacity expansion part 3, and enter a folding section 32, and the folding section 32 surrounds the upper end and the lower end of the capacity expansion part 3 for a circle; the slider 30 slides along the end points to close the fastener stringers, so that the side walls of the expansion portion 3 are folded inwards to enter the accommodated state. Further, a storage bag 4 is provided on the outer side wall above the expansion portion 3 of the bag body 1, and the storage bag 4 is closed by a fastener tape with a double-handle slider 41. Further, when the outer side of the storage bag 4 is completely turned inside, the bag body 1 and the back strap 2 can be stored in the storage bag 4, and the overall storage of the back bag is realized.

In a preferred embodiment, the back strap 2 comprises two straps which are respectively sewn on the front and rear outer side walls of the bag body 1 for the user to carry or carry on his/her shoulder. In some embodiments, the strap 2 may also be detachably connected to the bag 1, where the connection manner includes a snap connection such as a lifting button, a button, or a hook and loop connection.

In a preferred embodiment, the inner side wall of the bag body 1 is provided with a first storage bag 10, a water-proof layer is sewed in the first storage bag 10, and the water-proof layer is made of a waterproof material and can be used for placing mobile phones, files and the like. The first storage bag 10 is closed by a zipper, and the sewing thread is subjected to waterproof treatment, so that the waterproof performance is further improved.

In a preferred embodiment, a transverse strap 5 is further provided on the other outer side wall of the bag body 1 opposite to the storage bag 4, and the strap 5 and the outer side wall of the bag body 1 form a strap slot 50 penetrating up and down. The pull rod of the pull rod box can be sleeved in the strap slot 50, so that the knapsack can be hung on the pull rod box. Compared with the mode that the strap 2 is hung on the draw-bar box, the strap 5 can enable the knapsack and the draw-bar to be combined to be more fit, the draw-bar box is not loose, and the shaking amplitude of the knapsack in the advancing process of the draw-bar box is greatly reduced. Further, the second storage bag 51 is arranged on the strap 5, and the second storage bag 51 is closed by a zipper. The second storage bag 51 increases the storage space, so that a user can store some articles with higher daily use frequency, and is convenient to take.

In a preferred embodiment, the left and right sides of the storage bag 4 may be provided with a third storage bag 6, and the third storage bag 6 is open and can be used for placing water bottles or umbrella articles.

In a preferred embodiment, the bag 1 is provided with a lifting buckle, a female buckle 11 of the lifting buckle is oppositely sewn on the left and right ends of the bag 1 through a buckle belt, and preferably, the buckle belt of the female buckle 11 is arranged on the top ends of the left and right ends of the bag 1. The sub-buckles 12 of the lifting buckle are sewn on the outer side wall of the bag body 1 below the female buckle 11 at intervals through buckle belts. When the child buckle 12 and the female buckle 11 are not buckled and the expansion part is unfolded, the internal volume of the bag body 1 reaches the maximum. The snap fastener is buckled or the expansion part 3 is accommodated, so that the volume of the bag body 1 is further reduced; when the snap fastener is buckled and the expansion part 3 is accommodated, the volume of the bag body 1 is minimum. Further, when the child buckle 12 and the mother buckle 11 are buckled, the shape of the bag body can be changed, so that the bag body 1 becomes a woman bag or a travel bag, and the use experience of a user is enriched.

In a preferred embodiment, the bag body 1 and the harness 2 can be accommodated in the storage bag 4 after the storage bag 4 is turned over. The double-handle slider 41 realizes normal use of the storage bag 4 in the inverted state.

In a preferred embodiment, the inner side wall of the receiving pocket 4 is provided with a fourth storage pocket 42.

The implementation mode specifically comprises the following steps: when not in use, the inner side of the storage bag 4 is turned outwards, the bag body 1 and the back bag 2 are hidden in the storage bag 4, and the zipper sealing is pulled by the double-handle zipper head 41. After the fourth storage bag 42 of the original inner side wall of the storage bag 4 is turned over, the front side pocket of the storage bag 4 is formed and used as a normal storage space. If the harness 2 is detachable, the fourth storage bag 42 may be used to attach the detachable back bag 2. When the back bag is needed, the double-handle zipper head 41 is pulled to unseal, the bag body 1 and the back bag 2 are taken out, and the storage bag 4 turns over to become a front side pocket of the bag body 1.

In the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The back bag with the adjustable volume comprises a bag body, a brace arranged on the bag body and a capacity expansion part arranged at the bottom of the bag body, and is characterized in that the upper end of the capacity expansion part is connected with the bag body, and the capacity expansion belt is provided with a dental chain belt consisting of an upper dental chain belt and a lower dental chain belt and a zipper head for splicing the upper dental chain belt and the lower dental chain belt; the dental chain belt comprises an initial section and a folding section, and the initial section is arranged on the outer side wall of the capacity expansion part; the upper tooth chain belt and the lower tooth chain belt of the initial section are in herringbone bifurcation and extend to the upper end and the lower end of the capacity expansion part, and enter a folding section, and the folding section surrounds the upper end and the lower end of the capacity expansion part for a circle; the outer side wall of the bag body above the capacity expansion part is provided with a storage bag, and the storage bag is closed by a zipper with a double-handle zipper head; the bag body outer side wall is also provided with a transverse strap, the strap and the bag body outer side wall form a strap groove which is penetrated up and down, and the strap is provided with a second storage bag.

2. The volume adjustable back bag of claim 1, wherein the inner side wall of the bag body is provided with a first storage bag, a water-resistant layer is arranged in the first storage bag, and the first storage bag is closed by a zipper.

3. A volume adjustable back bag according to any of claims 1-2, wherein a third storage bag is provided on the left or right side or both sides of the storage bag.

4. A volume adjustable back bag according to claim 3, wherein the bag body is provided with a lifting buckle, the female buckle of the lifting buckle is oppositely sewed at the left end and the right end of the bag body through a buckle belt, the child buckle of the lifting buckle is sewed on the outer side wall of the bag body below the female buckle through the buckle belt, and a space is reserved between the child buckle belt and the female buckle belt.

5. The adjustable volume backpack of claim 4 wherein the pouch body and strap are receivable within the pouch after the pouch is inverted.

6. The adjustable volume backpack of claim 5 wherein a fourth storage bag is provided on the inner side wall of the storage bag.