CN210353667U - Combined knapsack - Google Patents

Abstract

The utility model discloses a combined backpack, which comprises a main bag body and an additional bag body, wherein at least one first combining piece is arranged on the main bag body; the braces are combined with the main bag body; the additional bag body is provided with a first side edge part and a second side edge part which are opposite, the first side edge part is provided with a second combining piece, and the second side edge part is also provided with a second combining piece. The second combining piece of one of the first side edge part and the second side edge part is respectively connected with the at least one first combining piece in a detachable mode, so that the additional bag body is connected with the main bag body; the additional bag body is provided with a first bag cloth and a second bag cloth which are opposite, a first sealing piece is arranged on the periphery of a first opening of the first bag cloth, and a second sealing piece is arranged on the periphery of a second opening of the second bag cloth. Therefore, the combined backpack can have various combination changes.

Description

Combined knapsack

Technical Field

The utility model relates to a knapsack technical field especially relates to a modular knapsack.

Background

The backpack is usually applied to outdoor activities such as walking, mountain climbing, hiking, traveling, cycling and the like, and is used for a user to carry on the back.

The bag body of the existing backpack is provided with an outer side surface back to the body of a user, and the outer side surface is provided with a storage bag, so that the user can place articles in the storage bag, however, the storage bag is fixedly connected to the bag body, the purpose of the storage bag and the bag body is limited, and the storage bag and the bag body cannot be flexibly changed.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a combined backpack, which can be combined in various ways to increase the usage.

In order to achieve the above object, the present invention provides a combined backpack, comprising a main bag body, at least one strap, an additional bag body, a first closing member and a second closing member, wherein the main bag body has an inner side surface facing a human body; the main bag body is provided with at least one first connecting piece; the at least one strap is combined with the main bag body; the additional bag body is provided with a first side edge part and a second side edge part which are opposite, the first side edge part is provided with a second combining piece, and the second side edge part is provided with a second combining piece; the second combining piece of one of the first side edge part and the second side edge part is respectively connected with the at least one first combining piece in a detachable mode, so that the additional bag body is connected with the main bag body; defining a virtual center line between the first side edge portion and the second side edge portion of the additional pouch; the additional bag body is provided with a first bag cloth and a second bag cloth which are opposite, one of the first bag cloth and the second bag cloth is opposite to the inner side face, the first bag cloth is provided with a first opening communicated with the interior of the additional bag body, the second bag cloth is provided with a second opening communicated with the interior of the additional bag body, the first opening is positioned between the first side edge part and the central line, and the second opening is positioned between the second side edge part and the central line; the first sealing piece is arranged on the first bag cloth and is used for opening or sealing the first opening; the second sealing piece is arranged on the second bag cloth and used for opening or sealing the second opening.

Further, the at least one first bonding element is at least one pair of first bonding belts; each second combining piece is two second combining belts; the two second bonding tapes of one of the first side edge portion and the second side edge portion are detachably connected to the at least one pair of first bonding tapes, respectively.

Furthermore, the main bag body is provided with an outer side surface back to the inner side surface; the number of the at least one pair of first bonding tapes is a plurality of pairs, the plurality of pairs of first bonding tapes include a first pair of first bonding tapes, the first pair of first bonding tapes are higher than the other pairs of first bonding tapes, when the two second bonding tapes of one of the first side edge portion and the second side edge portion of the additional bag body are connected to the first pair of first bonding tapes, the additional bag body is located outside the outer side surface, and one of the first bag cloth and the second bag cloth faces the outer side surface.

Further, the plurality of pairs of first bonding tapes further comprises a second pair of first bonding tapes, and the position of the second pair of first bonding tapes is lower than that of the first pair of first bonding tapes; when the two second bonding tapes of one of the first side edge portion and the second side edge portion of the additional bag body are connected to the first pair of first bonding tapes, the two second bonding tapes of the other of the first side edge portion and the second side edge portion of the additional bag body are respectively connected to the second pair of first bonding tapes in a detachable manner, so that an object placing space is formed between the additional bag body and the outer side surface.

Further, after the two second bonding tapes of one of the first side edge portion and the second side edge portion of the additional bag body are detached from the first pair of first bonding tapes, the additional bag body can be turned over downward, so that the other one of the first bag cloth and the second bag cloth faces away from the inner side face.

Further, at least one object fixing member is disposed on an outer side surface of the main bag body, and the additional bag body covers the at least one object fixing member.

Furthermore, at least one object fixing piece is arranged on the outer side surface of the main bag body, and the at least one object fixing piece is positioned between the first pair of first bonding belts and the second pair of first bonding belts.

Further, the at least one pair of first bonding belts is positioned at the bottom of the main bag body; when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the at least one pair of first bonding tapes, the additional bag body is suspended from the bottom of the main bag body.

Furthermore, the main bag body is provided with an outer side surface back to the inner side surface; the at least one pair of first bonding belts is positioned at the bottom of the outer side surface.

Further, the additional bag body can be turned upwards, so that one of the first bag cloth and the second bag cloth faces the outer side face.

Furthermore, the main bag body is provided with an outer side surface back to the inner side surface; the at least one pair of first bonding tapes are located on the outer side surface.

Furthermore, the main bag body is provided with an outer side surface back to the inner side surface; the number of the at least one pair of first bonding tapes is a plurality of pairs, the plurality of pairs of first bonding tapes include a first pair of first bonding tapes, a second pair of first bonding tapes, a third pair of first bonding tapes and a fourth pair of first bonding tapes, the first pair of first bonding tapes, the third pair of first bonding tapes, the second pair of first bonding tapes and the fourth pair of first bonding tapes are arranged in sequence from high to low, and the second pair of first bonding tapes and the third pair of first bonding tapes are arranged on the outer side surface; wherein when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the first pair of first bonding tapes, the two second bonding tapes of the other of the first side edge portion and the second side edge portion of the additional bag body are detachably connected to the second pair of first bonding tapes, respectively; wherein when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the third pair of first bonding tapes, the two second bonding tapes of the other one of the first side edge portion and the second side edge portion of the additional bag body can be detachably connected to the fourth pair of first bonding tapes, respectively.

Furthermore, at least one accommodating space is arranged in the additional bag body, and the first opening and the second opening are communicated with the accommodating space.

Further, the first closing element is a first zipper, the second closing element is a second zipper, and the first zipper and the second zipper are opened in the same direction.

Furthermore, a first article fixing part is arranged on the first bag cloth of the additional bag body, a second article fixing part is arranged on the second bag cloth, and the first article fixing part is different from the second article fixing part.

The utility model discloses a combination formula knapsack has following beneficial effect: the user can combine the additional bag body to the main bag body or independently detach the additional bag body, and can change the mode that the additional bag body is combined in the main bag body at will. The combined backpack has various combinations, thereby achieving the purpose of increasing the purposes of the combined backpack.

Drawings

Fig. 1 is a perspective view of a combination backpack according to a preferred embodiment of the present invention;

fig. 2 is an exploded perspective view of a combination backpack according to a preferred embodiment of the present invention;

FIG. 3 is a front view of an add-on bag in accordance with a preferred embodiment of the present invention;

FIG. 4 is a rear view of an additional pocket in accordance with a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 6 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 7 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 8 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 9 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 10 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 11 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

FIG. 12 is a schematic view of the connection between the additional bag and the main backpack according to the present invention;

fig. 13 is a schematic view of the connection between the additional bag and the main backpack of the present invention.

In the figure:

10-main knapsack

12-main bag body

122-medial side

124-lateral side

14-harness

16 a-first binding belt

16 b-first binding band

16 c-first binding tape

16 d-first binding tape

22-additional bag

24-additional bag body

26-first pocket cloth

30-first side edge portion

32-second side edge part

34-first zipper

38-first article holder

382-bandage

384-viscose felt

44-second binding tape

46-belt body connecting buckle

462-fastening part

S-storage space

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 4, a combination backpack according to a preferred embodiment of the present invention includes a main backpack 10 and an additional bag 22, wherein the additional bag 22 is detachably coupled to the main backpack 10.

The main backpack 10 includes a main bag body 12 and two carrying straps 14, wherein the two carrying straps 14 are connected to the main bag body 12 for a user to carry the main bag body 12 on his body. The number of straps 14 may also be one, making the main backpack 10 a one-shoulder backpack. The main bag body 12 has an inner side 122 and an outer side 124 opposite to each other, and when a user carries the main bag body 12 on the back, the inner side 122 faces the human body. The main bag body 12 is provided with at least one first connecting member, in this embodiment, the at least one first connecting member is at least one pair of first connecting belts, but not limited thereto, and may also be at least one first connecting belt. The number of pairs of the first bonding tapes is a plurality of pairs, taking the number of the first bonding tapes as four pairs as an example, that is, there are four first bonding members, including a first pair of first bonding tapes 16a, a second pair of first bonding tapes 16b, a third pair of first bonding tapes 16c and a fourth pair of first bonding tapes 16d, which are sequentially arranged from top to bottom, the first pair of first bonding tapes 16a, the third pair of first bonding tapes 16c, the second pair of first bonding tapes 16b and the fourth pair of first bonding tapes 16d, the first pair of first bonding tapes 16a is located on the top of the outer side surface 124 of the main bag body 12, the fourth pair of first bonding tapes 16d is located on the bottom of the outer side surface 124 of the main bag body 12, and the second pair of first bonding tapes 16b and the third pair of first bonding tapes 16c are located on the outer side surface. At least one object fixing member, in this embodiment, a plurality of object fixing members, is disposed on the outer side 124 of the main bag body 12, and the object fixing members include an adhesive felt 18 between the first pair of first bonding tapes 16a and the third pair of first bonding tapes 16c, and a plurality of hanging tapes 20 between the third pair of first bonding tapes 16c and the second pair of first bonding tapes 16 b. The object fixing members can be used for installing different objects, such as objects adhered on the adhesive felt 18, and the hanging belt body 20 can be used for installing objects hung thereon, such as other small bags, magazines and the like.

In practical applications, the first pair of first bonding tapes 16a can also be disposed on the top of the main bag 12, or disposed on the top of the main bag 12 at the top edge of the outer side surface 124. The additional bag 22 includes an additional bag body 24, a first enclosing element such as a first zipper 34, and a second enclosing element such as a second zipper 36, wherein the additional bag body 24 has a first bag cloth 26 and a second bag cloth 28 opposite to each other, and a first side edge portion 30 and a second side edge portion 32 opposite to each other, and the first side edge portion 30 and the second side edge portion 32 are located at two opposite edges of the first bag cloth 26 and the second bag cloth 28. An imaginary center line i is defined on the additional pocket 24 between the first side edge 30 and the second side edge 32, and the center line i divides the additional pocket 24 into two halves. In this embodiment, the centerline i is located halfway between the outermost edge of the first side edge portion 30 and the outermost edge of the second side edge portion 32.

At least one accommodating space is provided between the first bag cloth 26 and the second bag cloth 28, the first bag cloth 26 has a first opening 262 communicated with the accommodating space inside the additional bag body 24, and the second bag cloth 28 has a second opening 282 communicated with the accommodating space inside the additional bag body 24. The first opening 262 is located between the first side edge portion 30 and the centerline i, and the second opening 282 is located between the second side edge portion 32 and the centerline i. The first zipper 34 and the second zipper 36 are disposed at the periphery of the first opening 262 and the second opening 282, respectively. The first zipper 34 and the second zipper 36 can open the first opening 262 and the second opening 282, respectively, in the same opening direction. In this embodiment, the distance between the first opening 262 and the first side portion 30 is less than the distance between the first opening and the center line i, i.e., the distance between the first zipper 34 and the first side portion 30 is less than the distance between the first opening and the center line i; the second opening 282 is spaced from the second side edge portion 32 a distance less than the centerline i, i.e., the second zipper 36 is spaced from the second side edge portion 32 a distance less than the centerline i. The first zipper 34 is parallel to the second zipper 36.

In practical applications, the additional bag body 24 further includes a separating cloth located between the first bag cloth 26 and the second bag cloth 28 and separating the interior of the additional bag body 24 into two receiving spaces, and the first opening 262 and the second opening 282 are respectively communicated with the two receiving spaces.

Besides, the first and second closing members can also adopt other means for opening or closing the first and second openings 262 and 282, such as male and female felts, buttons, snaps, binding ropes, etc., before the zipper is adopted.

The first bag cloth 26 is provided with a first object fixing member 38, the first object fixing member 38 comprises a binding band 382 and a sticky felt 384, the second bag cloth 28 is provided with a second object fixing member 40, the second object fixing member 40 comprises a plurality of hanging belt bodies 42, and the first object fixing member 38 is different from the second object fixing member 40.

The first side edge 30 is provided with a second bonding element, and the second side edge is also provided with a second bonding element, in this embodiment, each second bonding element is a second bonding strip 44, two second bonding strips 44 of one of the first side edge 30 and the second side edge 32 are detachably connected to any one pair of first bonding strips 16a,16b,16c,16d, respectively, so that the additional bag body 24 is connected to the main bag body 12, and one of the first bag cloth 26 and the second bag cloth 28 faces away from the inner side 122. In this embodiment, each second coupling band 44 is connected to the corresponding first coupling band 16a,16b,16c,16d through a connecting member (e.g., a band connecting buckle 46), and each of two ends of the band connecting buckle 46 has a buckle portion 462, wherein one buckle portion 462 can pass through the loop formed by the second coupling band 44, and the other buckle portion 462 can pass through the loop formed by the first coupling bands 16a,16b,16c,16 d. In practice, the connecting member may be any separable form, such as male and female buckles, male and female snap fasteners, etc.

The advantage of using a pair of first bonding straps with a corresponding pair of second bonding straps 44 is that there can be two support points at the top or bottom of the additional pocket 24 to avoid the additional pocket 24 from shifting left and right. In practical applications, if the at least one first connecting element is at least one first connecting strip, the second connecting element is a second connecting strip 44, and preferably, the second connecting strip 44 is located at the central position in the transverse direction of the additional pocket 24, so as to prevent the additional pocket 24 from being tilted.

When the two second bonding tapes 44 of one of the first side edge portion 30 and the second side edge portion 32 are connected to the first pair of first bonding tapes 16a, the additional bag body 24 is positioned outside the outer side surface 124, and one of the first bag cloth 26 and the second bag cloth 28 faces the outer side surface 124. The two second bonding tapes 44 of the other of the first side edge portion 30 and the second side edge portion 32 of the additional pocket 24 can be detachably connected to the second pair of first bonding tapes 16b, respectively. As shown in fig. 1, the two second bonding tapes 44 of the first side edge portion 30 are connected to the first pair of first bonding tapes 16a, the two second bonding tapes 44 of the second side edge portion 32 are connected to the second pair of first bonding tapes 16b, the first pocket fabric 26 faces away from the inner side 122 of the main pocket body 12, the second pocket fabric 28 faces the outer side 124 of the main pocket body 12, so that the first object fixing member 38 is exposed, and the second object fixing member 40 is hidden between the outer side 124 and the second pocket fabric 28. An object space S is formed between the additional bag body 24 and the outer side surface 124, so that a user can insert an object into the object space S from a side direction, for example, an object such as a raincoat, a sleeping mat, a helmet, etc. can be placed in the object space S. In addition, the additional bag 24 covers the object fixing member (the adhesive tape 18, the hanging tape 20) on the outer surface 124 of the main bag 12 to shield the object set on the object fixing member.

Of course, fig. 1 is only one example of the attachment of the additional bag 22 to the main backpack 10, and the two second attachment straps 44 of the second side edge portion 32 may not be attached to the second pair of first attachment straps 16 b. Next, other structures of the attachment of the additional bag 22 of the present embodiment to the main backpack 10 will be described with reference to fig. 5 to 13.

Referring to fig. 5, the two second bonding tapes 44 of the second side edge portion 32 are respectively connected to the fourth pair of first bonding tapes 16d at the bottom of the main bag body 12, and the second pouch fabric 28 is back to the inner side of the main bag body 12, so that the additional bag body 24 is suspended at the bottom of the main bag body 12. In addition, the additional bag body 24 can also be turned upwards so that the first bag cloth 26 faces the outer side surface 124. Further, the two second bonding tapes 44 of the first side edge portion 30 may be further connected to the third pair of first bonding tapes 16 c.

In addition, fig. 5 illustrates that an object with adhesive felt 481 is attached to the adhesive felt 18 and an object with clips 482a is threaded through its clips 482a into the hanging strip 20. Object 483 penetrates directly into the sling body 20. Thus, the additional bag body 24 is turned upwards, and after the two second connecting belts 44 are connected to the third pair of first connecting belts 16c, the additional bag body can shield the object 482,483, so as to protect the object 482,483.

Referring to fig. 6, after the second zipper 36 is opened and the second opening 282 is opened, an elongated object 484 (e.g., a snowboard, a gun, an umbrella) can be inserted into the receiving space 24a of the additional bag 24, and the upwardly extending portion of the object 484 can be bound to the main bag 12 by a fixing band 50 or bound to the article holder (the hanging strap 20) by a binding band (not shown). Thus, the user can carry the long object 484 with the combined backpack.

Referring to fig. 7, the two second bonding tapes 44 of the first side edge portion 30 are respectively connected to the fourth pair of first bonding tapes 16d, and the second pouch fabric 28 is opposite to the inner side 122 of the main pouch body 12, and the additional pouch body 24 is suspended from the bottom of the main pouch body 12. The additional pocket 24 may also be inserted into the elongated item 484.

Referring to fig. 8, in order to detach the two second bonding tapes 44 of the first side edge portion 30 of the additional pocket 24 from the first pair of first bonding tapes 16a in fig. 1, the additional pocket 24 can be turned downward, so that the second pocket cloth 28 faces away from the inner side 122.

Referring to fig. 9, in order to detach the two second bonding tapes 44 of the second side edge portion 32 of the additional pocket 24 from the second pair of first bonding tapes 16b in fig. 1, the additional pocket 24 can be turned upwards so that the second pouch fabric 28 faces away from the inner side 122.

Since the first zipper 34 and the second zipper 36 are located at the upper and lower sides of the central line i, the first zipper 34 is located above the central line i in fig. 1, and the second zipper 36 is also located above the central line i in the aspect of fig. 8 and 9, so that the user can conveniently take the object in the additional bag body 24. In addition, since the opening directions D of the first zipper 34 and the second zipper 36 are the same, when the user wants to open the first zipper 34 or the second zipper 36 in the embodiment of fig. 1, 8, and 9, the user does not need to adapt to the opening direction D of the zipper again, which facilitates the operation.

Referring to fig. 10, the second pouch fabric 28 faces away from the inner side 122 of the main pouch body 12, the two second bonding tapes 44 of the second side edge portion 32 are connected to the first pair of first bonding tapes 16a, and the two second bonding tapes 44 of the first side edge portion 30 are connected to the second pair of first bonding tapes 16 b. In addition, after the two second bonding tapes 44 of the second side edge portion 32 are detached from the first pair of first bonding tapes 16a, the additional bag body 24 can be turned downward to make the first bag cloth 26 back to the inner side surface 122 of the main bag body 12, and conversely, after the two second bonding tapes 44 of the first side edge portion 30 are detached from the second pair of first bonding tapes 16b, the additional bag body 24 can be turned upward to make the first bag cloth 26 back to the inner side surface 122 of the main bag body 12. Fig. 10 shows an object 485 inserted in the storage space S between the additional bag 24 and the main bag 12.

Referring to fig. 11, the second pouch fabric 28 faces away from the inner side 122 of the main pouch body 12, the two second bonding tapes 44 of the second side edge portion 32 are connected to the third pair of first bonding tapes 16c, and the two second bonding tapes 44 of the first side edge portion 30 are connected to the fourth pair of first bonding tapes 16 d. The object fixing member (hanging tape 20) of the additional bag 24 covering the outer side 124 of the main bag 12 is exposed to the outside of the adhesive tape 18. Referring to fig. 12, after the second bonding tapes 44 of the first side edge portion 30 are separated from the fourth pair of first bonding tapes 16d, the additional bag body 24 can be turned upwards to make the first pouch fabric 26 back to the inner side of the main bag body 12.

Referring to fig. 13, in order to detach the second bonding tapes 44 of the second side edge portion 32 from the third pair of first bonding tapes 16c in fig. 11, the additional bag body 24 is turned downward and suspended from the bottom of the main bag body 12, and the first pouch fabric 26 is faced away from the inner side 122 of the main bag body 12.

In addition to the above-mentioned connection manner, the user can connect any one of the first side edge portion 30 and the second side edge portion 32 of the additional bag body with any pair of the first bonding tapes 16a,16b,16c,16d of the main bag body 12 according to the actual use requirement.

To sum up, the combined backpack of the present invention can allow the additional bag body 24 to be combined with the main bag body 12 or detached from the main bag body 12, and can change the way of combining the additional bag body 24 with the main bag body 12. The combined backpack has various combinations, thereby achieving the purpose of increasing the purposes of the combined backpack.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (15)

1. A modular backpack, comprising:

a main bag body which is provided with an inner side surface, and the inner side surface is used for facing the human body; the main bag body is provided with at least one first connecting piece;

at least one strap connected to the main bag body;

the auxiliary bag body is provided with a first side edge part and a second side edge part which are opposite, the first side edge part is provided with a second combining piece, and the second side edge part is provided with a second combining piece; the second combining piece of any one of the first side edge part and the second side edge part is respectively connected with the at least one first combining piece in a detachable mode, so that the additional bag body is connected with the main bag body; defining a virtual center line between the first side edge portion and the second side edge portion of the additional pouch; the additional bag body is provided with a first bag cloth and a second bag cloth which are opposite, any one of the first bag cloth and the second bag cloth is opposite to the inner side face, the first bag cloth is provided with a first opening communicated with the interior of the additional bag body, the second bag cloth is provided with a second opening communicated with the interior of the additional bag body, the first opening is positioned between the first side edge part and the central line, and the second opening is positioned between the second side edge part and the central line;

the first sealing piece is arranged on the first bag cloth and is used for opening or sealing the first opening; and

and the second sealing piece is arranged on the second bag cloth and is used for opening or sealing the second opening.

2. The modular backpack of claim 1, wherein the at least one first coupling member is at least one pair of first coupling straps; each second combining piece is two second combining belts; the two second bonding tapes of one of the first side edge portion and the second side edge portion are detachably connected to the at least one pair of first bonding tapes, respectively.

3. The modular backpack of claim 2, wherein said main bag has an outer side opposite said inner side; the number of the at least one pair of first bonding tapes is a plurality of pairs, the plurality of pairs of first bonding tapes include a first pair of first bonding tapes, the first pair of first bonding tapes are higher than the other pairs of first bonding tapes, when the two second bonding tapes of one of the first side edge portion and the second side edge portion of the additional bag body are connected to the first pair of first bonding tapes, the additional bag body is located outside the outer side surface, and one of the first bag cloth and the second bag cloth faces the outer side surface.

4. The modular backpack of claim 3, wherein the plurality of pairs of first straps further comprises a second pair of first straps, the second pair of first straps positioned lower than the first pair of first straps; when the two second bonding tapes of one of the first side edge portion and the second side edge portion of the additional bag body are connected to the first pair of first bonding tapes, the two second bonding tapes of the other of the first side edge portion and the second side edge portion of the additional bag body are respectively connected to the second pair of first bonding tapes in a detachable manner, so that an object placing space is formed between the additional bag body and the outer side surface.

5. The modular backpack of claim 3, wherein the additional bag body is capable of being flipped downward with the other of the first and second panels facing away from the inner side after the two second straps of one of the first and second side edges of the additional bag body are detached from the first pair of first straps.

6. The modular backpack of claim 3, wherein the outer side of the main pouch body is provided with at least one object securing member, and the additional pouch body covers the at least one object securing member.

7. The backpack of claim 4, wherein the outer side of the main bag body is provided with at least one object fixing member, and the at least one object fixing member is located between the first pair of first bonding tapes and the second pair of first bonding tapes.

8. The modular backpack of claim 2, wherein the at least one pair of first binding straps are located at a bottom of the main pouch body; when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the at least one pair of first bonding tapes, the additional bag body is suspended from the bottom of the main bag body.

9. The modular backpack of claim 8, wherein the main pouch has an outer side opposite the inner side; the at least one pair of first bonding belts is positioned at the bottom of the outer side surface.

10. The backpack of claim 9, wherein the additional bag body is capable of being flipped up such that one of the first and second panels faces the outer side.

11. The modular backpack of claim 2, wherein said main bag has an outer side opposite said inner side; the at least one pair of first bonding tapes are located on the outer side surface.

12. The modular backpack of claim 2, wherein said main bag has an outer side opposite said inner side; the number of the at least one pair of first bonding tapes is a plurality of pairs, the plurality of pairs of first bonding tapes include a first pair of first bonding tapes, a second pair of first bonding tapes, a third pair of first bonding tapes and a fourth pair of first bonding tapes, the first pair of first bonding tapes, the third pair of first bonding tapes, the second pair of first bonding tapes and the fourth pair of first bonding tapes are arranged in sequence from high to low, and the second pair of first bonding tapes and the third pair of first bonding tapes are arranged on the outer side surface; wherein when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the first pair of first bonding tapes, the two second bonding tapes of the other of the first side edge portion and the second side edge portion of the additional bag body are detachably connected to the second pair of first bonding tapes, respectively; wherein when the two second bonding tapes of one of the first side edge portion and the second side edge portion are connected to the third pair of first bonding tapes, the two second bonding tapes of the other one of the first side edge portion and the second side edge portion of the additional bag body can be detachably connected to the fourth pair of first bonding tapes, respectively.

13. The backpack of claim 1, wherein the additional bag has at least one receiving space therein, and the first opening and the second opening communicate with the receiving space.

14. The modular backpack of claim 1, wherein said first closure member is a first zipper and said second closure member is a second zipper, said first zipper and said second zipper opening in the same direction.

15. The backpack of claim 1, wherein the additional bag body has a first article fastener disposed on a first bag cloth and a second article fastener disposed on a second bag cloth, the first article fastener being different from the second article fastener.

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