CN216364069U - Knapsack with changeable capacity - Google Patents

Abstract

The utility model discloses a backpack with a changeable capacity, which comprises an upper bag body, a lower bag body and a bag cover. A zipper is arranged between the bodies, the gears of the zipper face outward, an outer bag is arranged on the outer side of the lower bag body, a strap is arranged on the back of the lower bag body, and a bag mouth is arranged above the upper bag body, and the bag mouth is opened by a drawstring. Closed, the drawstring passes through the metal ring to tighten the bag mouth, the metal ring is located on the surface of the upper bag body, and the rope loop is located under the zipper, in the middle of the upper bag body. The utility model folds the upper half of the bag body, uses different materials to realize the rapid deformation and capacity change of the bag body, and has the characteristics of reasonable structure, diverse functions and convenient shrinkage.

Description

A backpack that can change capacity

technical field

The utility model belongs to the technical field of backpacks, in particular to a backpack with a changeable capacity.

Background technique

Backpacks are indispensable in people's daily travel. Every time they travel, the purpose is different, and the items to be brought are often more or less. It is wasteful to buy multiple backpacks of different capacities. In order to facilitate life and save resources, there are some backpacks that can change the capacity on the market. The existing backpacks that can change the capacity are few in style, and the way to change the capacity is relatively simple. Most of them are to expand the space and increase the capacity by changing the thickness. It looks bulky and lacks in aesthetics, and cannot fully meet people's daily travel needs.

SUMMARY OF THE INVENTION

In order to overcome the above technical problems, the purpose of the present utility model is to provide a backpack with a changeable capacity, the upper part of the bag body is folded, and different materials are used to realize the rapid deformation and capacity change of the bag body, with reasonable structure, diverse functions, Features for shrinking convenience.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is:

A backpack with a changeable capacity, including an upper bag body 2, a lower bag body 5 and a bag cover 1, the upper bag body 2 is provided with a bag cover 1 at the top, the lower bag body 5 is located below the upper bag body 2, and the upper bag body 2 A zipper one 3 is arranged between the lower bag body 5, the gear of the zipper one 3 faces outward, an outer bag 6 is arranged on the outside of the lower bag body 5, a strap 9 is arranged on the back of the lower bag body 5, and the upper bag body 2 A bag mouth 12 is arranged above, the bag mouth 12 is opened and closed by a drawstring 10, and the drawstring 10 passes through a metal ring 11 to tighten the bag mouth 12, the metal ring 11 is located on the surface of the upper bag body 2, and the rope loop 7 is located on the zipper Below a 3, in the middle of the upper envelope 2.

The outer bag 6 is opened and closed by two zippers 4, and the inside of the outer bag 6 is double-layered.

The second zipper 4 is in the shape of "n", including the left side, the upper side and the right side, so that the outer bag 6 can be opened by 180 degrees.

The length of the strap 9 is changed by a metal buckle 13 .

The beneficial effects of the present utility model:

The utility model can change the capacity and style of the backpack by folding and shrinking the upper bag body 2 inward. The material of the upper bag body 2 is hemp material, which is environmentally friendly and healthy; an outer bag 6 that can be fully opened is provided for use in When opened, it can be used as a temporary cushion or placed items; rope loops 7 are provided for hanging items, which is convenient and beautiful; the utility model has the advantages of reasonable structure, various functions, convenient shrinkage, environmental protection and beautiful appearance.

Description of drawings

Figure 1 is a schematic diagram of the backpack when it is closed.

Figure 2 is a schematic diagram when the backpack is opened.

Figure 3 is a schematic diagram of the backpack after deformation.

FIG. 4 is a schematic diagram when the outer bag 6 is opened.

FIG. 5 is a schematic diagram of hanging accessories.

1 to 5: 1. Cover; 2. Upper body; 3. One zipper; 4. Two zippers; 5. Bottom body; 6. Outer bag; 7. Cord loop; , Strap; 10, drawstring; 11, metal ring; 12, bag mouth; 13, metal buckle.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to Figures 1 to 5, a backpack with a changeable capacity includes a cover 1, which is connected to the back and is made of PU leather, which is not completely fixed with the back of the upper bag body; the upper The bag body 2 is made of soft hemp material, which is easy to shrink and fold; the lower bag body 5 is made of PU leather, which is hard and textured; the zipper 1 3 is between the upper bag body 2 and the lower bag body 5. The gear faces outward; the outer bag 6 is made of PU leather, located on the lower bag body 5, and is opened and closed by the second zipper 4, and its interior is double-layered and can be unfolded; the second zipper 4 is "n" shape, including the left side, On the top and the right side, the outer bag 6 can be opened by 180 degrees; the length of the strap 9 is controllable, and the length can be changed through the metal buckle 13; Tighten the bag mouth 12; the rope loop 7 is located below the zipper one 3, in the middle of the bag body.

The zipper one 3 can be pulled and closed when deformed, and is usually used as decoration.

The rope loop 7 can hang some things such as small mascots, meaningful year pendants, and can also hang small bags for things.

The working principle of the utility model is:

When there are many items, the upper bag body 2 is exposed to the outside to accommodate more items; when there are few items, the drawstring 10 is removed, and the upper bag body 2 is folded to the inside of the bag. At this time, the zipper one 3 can be pulled together. , the bag cover 1 and the back connected to the bag body 1 will hang forward together, and the bag body style will change.

The outer bag 6 is completely opened through the second zipper 4 , and the interior of the outer bag 6 is double-layered, which acts as a temporary cushion together with the outer wall of the outer bag 6 after unfolding.

The rope loop 7 can be used as a decoration alone, to hang some small mascot accessories or a bag with things to hang.

Claims (4)

1. A backpack with a changeable capacity, characterized in that it comprises an upper bag body (2), a lower bag body (5) and a bag cover (1), and the top of the upper bag body (2) is provided with a bag cover (1) , the lower bag body (5) is located under the upper bag body (2), a zipper (3) is arranged between the upper bag body (2) and the lower bag body (5), and the gear of the zipper one (3) faces outward, and the lower An outer bag (6) is provided on the outside of the bag body (5), a strap (9) is provided on the back of the lower bag body (5), a bag mouth (12) is arranged above the upper bag body (2), and the bag mouth ( 12) Open and close the bag opening (12) by passing the drawstring (10) through the metal ring (11), the metal ring (11) is located on the surface of the upper bag body (2), and the rope The ring (7) is located below the zipper one (3), in the middle of the upper bag body (2). 2 . A backpack with a variable capacity according to claim 1 , wherein the outer bag ( 6 ) is opened and closed by two zippers ( 4 ), and the interior of the outer bag ( 6 ) is double-layered. 3 . 3. A backpack with a changeable capacity according to claim 2, characterized in that the second zipper (4) is in the shape of "n", including the left side, the upper side and the right side, which can make the outer bag (6) It can be opened 180 degrees greatly. 4. A backpack with a variable capacity according to claim 1, characterized in that, the length of the strap (9) is changed through a metal buckle (13).

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