CN216932248U - Extensible backpack - Google Patents

Abstract

The utility model relates to a backpack, in particular to an extensible backpack. The present invention provides an expandable backpack with adjustable capacity. An extensible backpack comprises an extensible bag; the first fixing pieces are symmetrically connected to the left and the right of the front side of the stretching bag; the rear side of the stretching bag is connected with a third storage; the left and right sides of the rear part of the stretching bag and the left and right sides of the front part of the third storage are connected with second fixing pieces; the outer sides of the four second fixing pieces are connected with braces, and the two braces on the front side penetrate through the first fixing pieces on the same side; the four back belts are connected with the adjusting buckles in a sliding manner; the buckle, four regulation are detained the inboard and all are equipped with the buckle. The length of the shoulder strap is adjusted, the capacity of the extension bag can be adjusted, the shoulder strap is short, the space of the extension bag is small, the shoulder strap is long, the extension bag can be unfolded completely, and the space of the extension bag is enlarged.

Description

Extensible backpack

Technical Field

The utility model relates to a backpack, in particular to an extensible backpack.

Background

We often use the knapsack in daily life because the knapsack is light and easily carry, liberates both hands, for going out provide convenience, people consider the suitcase dead weight too big when going out outward, and pull the in-process noise too big, so people can the alternative use knapsack replace the suitcase when short distance travel or business trip, and the knapsack has brought the facility for people's trip.

The function and the usage of current knapsack are comparatively single, can only place article in the knapsack body, lead to article to mix together easily, and people find comparatively inconvenient, and the capacity of knapsack can't be adjusted along with people's demand, lead to the knapsack to seem to be very free and swing sometimes.

Accordingly, an extendable backpack with adjustable capacity is provided in view of the above problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the extensible backpack with adjustable capacity, so as to overcome the defect that the capacity of the existing backpack cannot be adjusted according to the requirements of people.

In order to achieve the above purpose, the utility model is realized by the following scheme: an extendable backpack comprising:

stretching the bag;

the first fixing pieces are symmetrically connected to the left and the right of the front side of the stretching bag;

the rear side of the stretching bag is connected with a third storage for placing articles;

the left and right sides of the rear part of the stretching bag and the left and right sides of the front part of the third storage are both connected with second fixing pieces;

the outer sides of the four second fixing pieces are connected with straps for adjusting the extension bag, and the two straps on the front side penetrate through the first fixing pieces on the same side;

the four straps are connected with adjusting buckles in a sliding manner for adjusting the lengths of the straps;

the buckle, four regulation are detained the inboard and all are equipped with the buckle, and two buckles of front side remove the back joint, and two buckles of rear side remove the back joint.

Optionally, the method further includes:

the left front side of the stretching bag is connected with the first storage;

the left front side of the extension bag is connected with the second storage;

the upper parts of the first storage and the second storage are both connected with a binding belt in a sliding way for closing the first storage and the second storage;

the front side of the top of the third storage is uniformly connected with four fixing buckles;

the rear side of the top of the third storage is uniformly connected with four connecting blocks;

the four connecting blocks are provided with buckling ropes, and the four buckling ropes are in contact with the fixed buckles on the same side for closing the third storage device;

the buffer cushion is arranged on the rear side of the third storage device and is made of sponge.

Optionally, the material of the stretching bag is cloth.

Optionally, the third storage is opened with an access opening at the upper part.

Optionally, the first reservoir and the second reservoir are each open at an upper portion thereof.

Optionally, the cushion pad is made of sponge.

The utility model has the following advantages: 1. the length of the shoulder strap is adjusted, the capacity of the extension bag can be adjusted, the shoulder strap is short, the space of the extension bag is small, the shoulder strap is long, the extension bag can be unfolded completely, and the space of the extension bag is enlarged.

2. The extensible backpack can realize classified storage through the first storage, the second storage and the third storage, so that articles can be prevented from being mixed together.

3. According to the utility model, the binding bands are bound, so that articles in the first storage device and the second storage device can be prevented from falling out, and the buckling ropes are hung on the connecting blocks, so that articles in the third storage device can be prevented from falling out.

4. According to the utility model, the material of the buffer pad is sponge, so that the buffer pad can prevent articles placed in the third storage from being sharp, and the articles can be prevented from poking a user.

Drawings

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

Fig. 2 is a schematic perspective view of a first part of the present invention.

Fig. 3 is a schematic perspective view of a second part of the present invention.

Description of reference numerals: 1_ bag, 2_ first fixed piece, 3_ adjustment buckle, 4_ buckle, 5_ braces, 6_ second fixed piece, 7_ first storage, 8_ second storage, 9_ third storage, 10_ fixation buckle, 11_ bandage, 12_ connecting block, 13_ buckle rope, 14_ cushion.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and the detailed description below:

example 1

Referring to fig. 1, an extensible backpack comprises an extensible bag 1, a first fixing member 2, adjusting buckles 3, buckles 4, straps 5, a second fixing member 6 and a third storage 9, wherein the extensible bag 1 is made of cloth, the rear side of the extensible bag 1 is connected with the third storage 9, the third storage 9 is used for placing articles, the upper part of the third storage 9 is provided with a fetching opening, the front side of the extensible bag 1 is bilaterally and symmetrically connected with the first fixing member 2, the left and right sides of the rear part of the extensible bag 1 and the left and right sides of the front part of the third storage 9 are connected with the second fixing member 6, the outer sides of the four second fixing members 6 are connected with the straps 5, the straps 5 are used for adjusting the extensible bag 1, the two straps 5 on the front side penetrate through the first fixing member 2 on the same side, the adjusting buckles 3 are slidably connected on the four straps 5, the adjusting buckles 3 are used for adjusting the length of the straps 5, the inner sides of the four adjusting buckles 3 are provided with the buckles 4, two buckles 4 of front side remove the back joint, two buckles 4 of rear side remove the back joint.

During the use, the user can be earlier according to the demand of oneself, adjust the length of braces 5, grasp on the other hand and adjust knot 3, pull braces 5 on the other hand, reach the purpose of adjusting braces 5 with this, buckle 4 with both sides around afterwards is buckled, so, can adjust the length of braces 5, because the material that extends bag 1 is cloth, so braces 5 also can adjust the size that extends bag 1, braces 5 is short a little, the space that extends bag 1 just is little thereupon, braces 5 is long a little, it will thoroughly expand to extend bag 1, make the space grow that extends bag 1, the user can put into the third memory through getting the thing mouth with article simultaneously, so, can realize categorised depositing, avoid article to mix together, when needing to take article, the rethread gets the thing mouth and takes out can.

Referring to fig. 1, 2 and 3, the bag further includes a first storage 7, a second storage 8, fixing buttons 10, a binding band 11, connecting blocks 12, a buckle rope 13 and a cushion 14, the second storage 8 is connected to the left front side of the extension bag 1, the first storage 7 is connected to the left front side of the extension bag 1, the second storage 8 is located on the upper side of the first storage 7, the binding band 11 is slidably connected to the upper portions of the first storage 7 and the second storage 8, the binding band 11 is used for closing the first storage 7 and the second storage 8, openings are respectively formed on the upper portions of the first storage 7 and the second storage 8, four fixing buttons 10 are uniformly connected to the front side of the top of the third storage 9, four connecting blocks 12 are uniformly connected to the rear side of the top of the third storage 9, the buckle ropes 13 are respectively arranged on the four connecting blocks 12, the four buckle ropes 13 are respectively in contact with the fixing buttons 10 on the same side, the cushion 14 is arranged on the rear side of the third storage 9, the cushion pad 14 is made of sponge.

The user can put into first accumulator 7 and second accumulator 8 with article classification, tie up bandage 11 afterwards, so, can avoid the article in first accumulator 7 and the second accumulator 8 to fall out, after the user puts into article inside the third accumulator 9, the user can hang knot rope 13 on connecting block 12, so, can avoid the article inside the third accumulator 9 to fall out, the user is when carrying this extensible type knapsack on one's body, because the material of blotter 14 is the sponge, so blotter 14 can play the cushioning effect, and simultaneously, also can avoid the article that the inside of third accumulator 9 was placed to be more sharp, prevent that article can stab the user.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims (6)

1. An extendable backpack, comprising:

a stretch bag (1);

the first fixing piece (2) is connected with the front side of the stretching bag (1) in a left-right symmetrical mode;

a third storage (9), wherein the rear side of the stretching bag (1) is connected with the third storage (9) for placing articles;

the left and right sides of the rear part of the extension bag (1) and the left and right sides of the front part of the third storage (9) are connected with the second fixing pieces (6);

the outer sides of the four second fixing pieces (6) are respectively connected with a back strap (5) used for adjusting the extension bag (1), and the two back straps (5) on the front side penetrate through the first fixing pieces (2) on the same side;

the four braces (5) are all connected with adjusting buckles (3) used for adjusting the length of the braces (5) in a sliding way;

buckle (4), four regulation are detained (3) inboards and all are equipped with buckle (4), and two buckles (4) of front side remove back joint, and two buckles (4) of rear side remove back joint.

2. An extendable backpack according to claim 1, further comprising:

the left front side of the stretching bag (1) is connected with the first storage (7);

the left front side of the stretching bag (1) is connected with the second storage (8);

the upper parts of the first storage (7) and the second storage (8) are both connected with a binding belt (11) used for closing the first storage (7) and the second storage (8) in a sliding way;

the front side of the top of the third storage (9) is uniformly connected with four fixing buckles (10);

the rear side of the top of the third storage (9) is uniformly connected with four connecting blocks (12);

the four connecting blocks (12) are respectively provided with a buckling rope (13), and the four buckling ropes (13) are respectively contacted with the fixing buckles (10) on the same side to close the third storage device (9);

a buffer pad (14), a buffer pad (14) is arranged at the rear side of the third storage (9), and the buffer pad (14) is made of sponge.

3. An expandable backpack according to claim 2, wherein the expandable bag (1) is made of cloth.

4. An expandable backpack according to claim 3, wherein the third reservoir (9) has an access opening at its upper part.

5. An expandable backpack according to claim 4, wherein the first reservoir (7) and the second reservoir (8) are open at their upper parts.

6. An extendable backpack according to claim 5, wherein the cushioning pad (14) is made of sponge.

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