Multifunctional backpack

Abstract

A multifunctional backpack comprising a backpack unit and a waist pack unit, wherein the backpack comprises a backpack main body and two straps disposed on left and right sides of the backpack main body, respectively; the two straps are provided with one or more first fixation portions, respectively, and/or the left and right sides of the backpack main body are provided with one or more first fixation portions, respectively; the waist pack unit comprises a waist pack main body and two first belts disposed on left and right sides of the waist pack main body, respectively, and the two first belts are provided with a second fixation portion, respectively; and the first fixation portions are capable of being connected with the second fixation portions detachedly.

I claim: 
     
         1 . A multifunctional backpack comprising a backpack unit and a waist pack unit, wherein:
 the backpack unit comprises a backpack main body and two straps, wherein one of the two straps is disposed on a left side of the backpack main body, and the other one of the two straps is disposed on a right side of the backpack main body;   the two straps are provided with one or more first fixation portions, respectively, and/or the left and right sides of the backpack main body are provided with one or more first fixation portions, respectively;   the waist pack unit comprises a waist pack main body and two first belts, wherein one of the two first belts is disposed on a left side of the waist pack body, and the other one of the two first belts is disposed on a right side of the waist pack main body, and each of the two first belts is provided with a second fixation portion, respectively; and   the first fixation portions are capable of being connected with the second fixation portions detachedly.   
     
     
         2 . The multifunctional backpack according to  claim 1  wherein the backpack main body is divided into a front pack and a rear pack by a spacer layer; and both the outsides of the front pack and the rear pack are provided with one or more pockets. 
     
     
         3 . The multifunctional backpack according to  claim 2  wherein the spacer layer is further provided with an interlayer pocket for accommodating the waist pack unit. 
     
     
         4 . The multifunctional backpack according to  claim 3  wherein the opening of the interlayer pocket is provided with an invisible slide fastener. 
     
     
         5 . The multifunctional backpack according to  claim 2  wherein the spacer layer is provided therein with an interlayer having openings at the top and the bottom of the backpack main body, with a retractable pull rod being provided in the interlayer; the top of the pull rod is provided with a handle; and the bottom of the pull rod is provided with rollers retractable into the pull rod. 
     
     
         6 . The multifunctional backpack according to  claim 1  wherein the top of the backpack main body is provided with a handle with a cavity; and the handle is provided thereon with an opening for enabling the cavity to communicate with the outside. 
     
     
         7 . The multifunctional backpack according to  claim 1  wherein the multifunctional backpack further comprises waterproof cloth, the edge of which is provided with an elastic band and connected with a plurality of hooks; the backpack main body is provided thereon with a plurality of rings in one-to-one correspondence to the plurality of hooks; and after the rings are fitted with the hooks, a space capable of accommodating articles is formed between the waterproof cloth and the backpack main body. 
     
     
         8 . The multifunctional backpack according to  claim 1  wherein the left and right sides of the waist pack unit are further provided with two second belts, respectively, and the two second belts are provided with one or more first fixation portions, respectively; and
 the backpack unit is provided with a plurality of second fixation portions. 
 
     
     
         9 . The multifunctional backpack according to  claim 8  wherein the waist pack main body is provided with a pocket for accommodating the first belts and the second belts. 
     
     
         10 . The multifunctional backpack according to  claim 1  wherein the first fixation portions and the second fixation portions are in snap connection; or
 either the first fixation portions or the second portions are hooks, while the other are rings.