CN223310834U - A multifunctional carrying backpack - Google Patents

Abstract

The application relates to a multifunctional carrying knapsack which comprises a main bag, wherein a support frame is arranged at the back of the main bag, a back plate is arranged on the support frame, the side edge of the back plate is fixedly connected with the back of the main bag, two shoulder straps are arranged on the support frame, a waist support is arranged on the back of the main bag, a side tightening structure, a face tightening structure and a position adjusting structure are arranged on the main bag, and a crown bag is detachably arranged at the top end of the main bag. According to the application, through the cooperation of the side tightening structure, the face tightening structure and the position adjusting structure, the situation that the center of gravity of the knapsack is fallen back in the use process is reduced, the backpack is also suitable for users with different body types, the use comfort is improved, and meanwhile, the crown bag can be dismantled when needed, so that a small amount of articles are carried by the crown bag for use, and the whole use is more convenient.

Description

Multifunctional carrying knapsack

Technical Field

The application relates to the technical field of sacks, in particular to a multifunctional carrying knapsack.

Background

The carrying knapsack is a repacking type, has rich loading functions, is used for carrying needed equipment when firefighters execute emergency tasks, is suitable for rescue tasks, and is not suitable for short-distance fire rescue and rescue activities involving hazardous chemicals environments.

When a firefighter performs field survival training or remotely performs tasks, the firefighter needs to carry a lot of rescue and life-related materials, so that a large space is needed to carry a carrying knapsack capable of carrying various materials, and the firefighter needs to bear the knapsack for a long time to walk or even run in the field, so that the knapsack needs to have enough comfort and firmness.

The existing knapsack can meet the requirements of large space and portability of various materials, but when the knapsack is actually used, after a large amount of materials are arranged in the knapsack, the gravity center of the knapsack can fall back, a team member carrying the knapsack for a long time can feel very tired due to the rapid decline of physical strength, the overall carrying comfort of the knapsack carrying a large amount of materials is also required to be improved, in addition, in the process of executing tasks by rescue personnel, special conditions that only a small amount of emergency rescue materials need to be carried due to weight reduction are frequently met, and at the moment, the existing knapsack can lead to the overall carrying to be more cumbersome and unfavorable for use.

Disclosure of utility model

In order to realize the purposes of providing comfortable carrying experience for a user in the long-time carrying process, reducing the fatigue feeling brought to the user and improving the whole carrying convenience when encountering special conditions, the application provides the multifunctional carrying knapsack.

The application provides a multifunctional carrying knapsack, which adopts the following technical scheme:

The utility model provides a multi-functional knapsack of carrying, includes the main package, the back of main package is provided with the support frame, the support frame is kept away from the main package and is provided with the backplate, the side and the main package back fixed connection of backplate, be provided with two baldrics that are used for wearing on the support frame, the main package back is provided with the waist support, be provided with on the main package and be used for tightening up the side of main package side and tighten up the structure, be used for tightening up the facial structure of tightening up of main package and be used for adjusting the position control structure of support frame, the main package top still can be dismantled and be provided with the crown package.

Through adopting above-mentioned technical scheme, during the use, through the setting of baldric and waist support, ensure the holistic function of bearing on back of main package, through the setting of backplate and support frame, evenly decompose the heavy burden of main package, thereby make the process of bearing on back lighter more comfortable, through the cooperation use of side tightening structure and face tightening structure, the focus of main package is adjusted, thereby reduce the degree of main package focus back weight, thereby further improve and bear the travelling comfort, the position of support frame is adjusted through the position control structure, thereby adjust the high position of baldric, with the user of this adaptation different sizes, then convenient to use person under special circumstances through setting up the crown package only uses the crown package to walk, the convenience of bearing on back has been improved, more be favorable to using.

Preferably, the inside shaping of main package has the main storehouse that is used for depositing article, be provided with the sump bag that is used for depositing the water bag in the main storehouse, the water pipe export has been seted up at main package back, water pipe export and sump bag in-connection, main storehouse opening that is used for placing article in the main storehouse has been seted up to main package face, main storehouse opening border department upset is provided with the main lid that is used for sealing main storehouse open-ended, be provided with first eye-splice subassembly between main package top and the crown package, the crown package is connected on main package top through first eye-splice subassembly.

Through adopting above-mentioned technical scheme, during the use, through the cooperation setting of sump bag and water pipe export, when carrying the knapsack, can put into the sump bag with the water bag to pass the water pipe export after with the water bag intercommunication through the straw, thereby convenient to use person supplements moisture when carrying the knapsack walking, and then improves the use convenience.

Preferably, the first eye-splice assembly comprises a first back buckling body arranged at the back of the main bag, a first side plugging body arranged at the side of the main bag, and a first back plugging body and a first side buckling body arranged on the hat top bag, wherein the first back buckling body is in plugging fit with the first back plugging body, and the first side plugging body is in plugging fit with the first side buckling body.

Through adopting above-mentioned technical scheme, during the use, through the cooperation of first back lock body, first side grafting body, first back grafting body and first side lock body use, realized the detachable connection of crown package.

Preferably, the main bag top is further provided with shielding cloth, the shielding cloth is located between the cap top bag and the main bag top, one end of the shielding cloth is provided with a second back plug-in body, the other end of the shielding cloth is provided with a second side buckling body, the second back plug-in body is in plug-in fit with the first back buckling body, and the second side buckling body is in plug-in fit with the first side plug-in body.

Through adopting above-mentioned technical scheme, during the use, after demolishing the crown package, can be through installing shielding cloth in main package top to shelter from the fold on main package top through shielding cloth, improve main package exclusive use's aesthetic property and travelling comfort.

Preferably, the storage bin for storing small articles is formed in the hat top bag, a inclined shoulder strap is arranged at the bottom of the hat top bag, one end of the inclined shoulder strap is fixedly provided with a second back buckling body which is used for being in plug-in fit with the first back buckling body, the other end of the inclined shoulder strap is fixedly provided with a second side plug-in body which is used for being in plug-in fit with the first side buckling body, and the inclined shoulder strap is stored in the storage bin.

Through adopting above-mentioned technical scheme, during the use, through the setting of accomodating the storehouse, be convenient for accomodate the inclined carrying strap when not using the crown package, when needs use the crown package, can be through taking out the inclined carrying strap to through the use of second back lock body and second side grafting body, connect the inclined carrying strap on the crown package, so that the user of being convenient for is born on the back.

Preferably, the main bag portion is provided with the sleeping bag storehouse that is used for depositing the sleeping bag far away from main lid one end, still be provided with the strapping that is used for guaranteeing sleeping bag storage stability between sleeping bag storehouse and the main bag portion.

Through adopting above-mentioned technical scheme, during the use, through the setting of sleeping bag storehouse and strapping to this user of being convenient for deposits the sleeping bag of field survival usefulness, also is convenient for take the sleeping bag simultaneously, and it is more convenient to use.

Preferably, the side tightening structure comprises a first bag body tightening belt and a second bag body tightening belt which are arranged on the side of the main bag, a second eye-splice assembly arranged between the first bag body tightening belt and the main bag, and a first adjusting buckle and a second adjusting buckle arranged on the main bag, wherein one end of the first bag body tightening belt is fixedly connected with the side edge of the main bag body, the other end of the first bag body tightening belt is detachably connected with the side edge of the back of the main bag through the second eye-splice assembly, one end of the second bag body tightening belt is fixed on the main bag, and the other end of the second bag body tightening belt penetrates through the first adjusting buckle and then is penetrated in the second adjusting buckle.

Through adopting above-mentioned technical scheme, during the use, through the cooperation of first package body tightening strap, second package body tightening strap, first regulation knot, second regulation knot and second eye-splice subassembly use, can realize tightening up main package side.

Preferably, the face tightening structure comprises a third body tightening belt arranged between the top of the main bag and the cap top bag, and a third eye-splice assembly arranged between the third body tightening belt and the main bag, one end of the third body tightening belt is rotatably connected to the back of the main bag, and the other end of the third body tightening belt bypasses the top of the main bag and is detachably connected with the face of the main bag through the third eye-splice assembly.

Through adopting above-mentioned technical scheme, during the use, tighten up the area through third package body tightening strap and the setting of third eye-splice subassembly, can realize the tightening up of main package face, whole simple to use is convenient, plays the effect that reduces the knapsack degree of falling back simultaneously.

Preferably, the position adjusting structure comprises a first adjusting belt arranged between the shoulder belt and the back of the main bag, a third adjusting buckle arranged on the first adjusting belt, a pull ring arranged on the supporting frame, a second adjusting belt arranged between the waist support and the back of the main bag, and a fourth adjusting buckle arranged on the second adjusting belt, wherein the back of the main bag is fixed with a shoulder pad, one end of the first adjusting belt is fixed on one shoulder belt, the other end of the first adjusting belt penetrates through the shoulder pad and then penetrates through the third adjusting buckle, the third adjusting buckle is fixed on the other shoulder belt, one end of the second adjusting belt is fixed at the bottom end of the back of the main bag, the other end of the second adjusting belt penetrates through the pull ring and then penetrates through the fourth adjusting buckle, and the fourth adjusting buckle is fixed at the bottom end of the back of the main bag.

Through adopting above-mentioned technical scheme, during the use, through the cooperation use of first regulation area and third regulation knot, realize the regulation to the interval between main package top and the baldric, realize simultaneously the regulation to the support frame position, the cooperation use of rethread second regulation area and fourth regulation knot realizes the regulation to the interval between support frame and the waist support to realize the regulation to the whole position of baldric, thereby make the user of the whole adaptation different sizes of knapsack, also ensure simultaneously and bear the travelling comfort.

Preferably, a chest connecting band is further arranged between the two shoulder straps, and the chest connecting band is detachably connected through a buckle.

Through adopting above-mentioned technical scheme, during the use, through the setting of chest connecting band, increase the travelling comfort that the knapsack was born.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through the arrangement of the shoulder straps, the waist support, the back and the support frame, the overall carrying comfort is improved on the premise of ensuring the carrying function of the knapsack, and the knapsack can adapt to users with different sizes on the premise of ensuring the carrying comfort by matching with the use of the side tightening structure, the face tightening structure and the position adjusting structure, so that the overall use convenience is improved by arranging the crown bag;

2. When the backpack is used, the water bin bag and the water pipe outlet are arranged, so that a user can supplement water in the process of carrying the backpack for walking, and the sleeping bag is convenient to store or take by the user through the arrangement of the sleeping bag bin and the strapping tape, and the overall use functionality is stronger;

3. Through setting up of shielding cloth, demolish the back with the crown package, shelter from the fold part on main package top to the exclusive use of main package of being convenient for.

Drawings

FIG. 1 is an isometric view of a general structure embodying aspects of an embodiment of the present application;

FIG. 2 is an exploded view of a general structure embodying aspects of embodiments of the present application;

FIG. 3 is an isometric view of a crown pack structure embodying substantially the structure of the present application;

FIG. 4 is an isometric view of a primary pack face structure according to an embodiment of the application;

FIG. 5 is a schematic axial view of an embodiment of the present application mainly showing an open state of a main cover;

FIG. 6 is an isometric view of a side structure of a main bag according to an embodiment of the present application;

FIG. 7 is an isometric view of a face tightening structure embodying substantially the same in an embodiment of the application;

FIG. 8 is an isometric view of a support structure according to an embodiment of the present application;

FIG. 9 is an isometric view of a position adjustment structure in an example embodiment of the application.

Reference numeral 1, a main package; 11, a water bin bag; 12, a water pipe outlet; 13, a main cover body, 14, a shoulder pad, 15, a concealing belt, 16, a side wall containing bag, 17, waterproof elastic cloth, 2, a supporting frame, 3, a backboard, 4, a shoulder strap, 5, a waist support, 51, a waist seal adjusting buckle, 52, a waist seal containing bag, 6, a side tightening structure, 61, a first bag body tightening belt, 62, a second bag body tightening belt, 63, a second eye-splice assembly, 64, a first adjusting buckle, 65, a second adjusting buckle, 7, a face tightening structure, 71, a third bag body tightening belt, 72, a third eye-splice assembly, 721, a face plug, 722, a face buckling body, 8, a position adjusting structure, 81, a first adjusting belt, 82, a second adjusting belt, 83, a third adjusting buckle, 84, a pull ring, 85, a fourth adjusting buckle, 9, a cap top bag, 91, a shoulder strap, 92, a second back buckling body, 93, a second side plug, 10, a first eye-splice assembly, 101, a first back buckling body, 102, 103, a first side plug, 103, a first back plug, a face plug, 40, a back plug, a chest strap, 50, a chest strap, a side plug, a seat, a side, a shoulder strap, a seat cushion, a 9, a shoulder strap, a seat belt, a shoulder belt, a top, a top belt and a top, a shoulder, a top, a back and a back, a back and a back and a back.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 9.

The embodiment of the application discloses a multifunctional carrying knapsack.

Referring to fig. 1 and 2, a multifunctional carrying knapsack comprises a main bag 1 which is approximately cuboid and horizontally placed, a crown bag 9 is arranged at the top end of the main bag 1, a first eye-splice assembly 10 is arranged between the main bag 1 and the crown bag 9, the crown bag 9 is detachably connected to the top end of the main bag 1 by the first eye-splice assembly 10, the first eye-splice assembly 10 is composed of a first back buckling body 101, a first side plug body 102, a first back plug body 103 and a first side buckling body 104, wherein the first back buckling body 101 is fixed at the back of the main bag 1 through a binding band in a sewing mode, the first side plug body 102 is fixed at the side of the main bag 1 through a binding band in a sewing mode, the first back plug body 103 is fixed at the back of the crown bag 9 through a binding band in a sewing mode, and the first side buckling body 104 is fixed at the side of the crown bag 9 through a binding band in a sewing mode.

Referring to fig. 1 and 2, when the cap top bag 9 is used, the cap top bag 9 is placed at the top end of the main bag 1, the first back buckling body 101 is in plug fit with the first back plug-in body 103, the first side plug-in body 102 is in plug fit with the first side buckling body 104, so that the cap top bag 9 is fixed on the main bag 1, the whole knapsack is formed, the combination is convenient for a user, and when the cap top bag 9 or the main bag 1 is independently used after the cap top bag 9 is required to be removed, the first back buckling body 101 is only required to be separated from the first back plug-in body 103, and the first side plug-in body 102 is required to be separated from the first side buckling body 104.

Referring to fig. 2 and 3, a storage bin is formed in the cap top bag 9, small rescue articles can be stored in the storage bin, the storage bin is opened and closed through a fixed-length zipper, a second back buckling body 92 is sewn and fixed at one end of the inclined shoulder strap 91 through a binding band, a second side plug body 93 is sewn and fixed at the other end of the inclined shoulder strap 91 through a binding band, when the cap top bag 9 and the main bag 1 are combined and used, the inclined shoulder strap 91 is stored in the storage bin, when the cap top bag 9 is required to be used alone, a worker takes out the inclined shoulder strap 91, and the inclined shoulder strap 91 can be mounted on the cap top bag 9 by inserting and matching the second back buckling body 92 with the first back buckling body 103 and inserting and matching the second side plug body 93 with the first side buckling body 104.

Referring to fig. 3, in practical application, when materials in the knapsack are consumed to a certain extent or a small amount of rescue articles need to be carried for running away under special conditions, the hat top bag 9 can be removed, and the inclined shoulder strap 91 is combined to the hat top bag 9, so that the materials are carried by the hat top bag 9, the burden of the knapsack on a user is effectively reduced, the carrying convenience is improved, meanwhile, a rain cover is also placed in the hat top bag 9, and when rainy weather is met, the hat top bag 9 can be opened to take out the rain cover.

Referring to fig. 2 and 4, when the main bag 1 is used alone, with the use of materials in the main bag 1, a space is gradually left in the main bag 1, so that the top of the main bag 1 is wrinkled, at this time, the top of the main bag 1 can be covered by covering and arranging the shielding cloth 20, one end of the shielding cloth 20 is sewed and fixed with the second back buckling body 201 through the binding band, the other end of the shielding cloth 20 is sewed and fixed with the second side buckling body 202 through the binding band, the shielding cloth 20 can be placed in the crown bag 9 or the main bag 1 when not used to be stored, and when needed, the user can place the shielding cloth 20 at the top of the main bag 1, and the second side buckling body 202 is in plug-in fit with the first back buckling body 101, so as to fix the shielding cloth 20.

Referring to fig. 4 and 5, a main bin is formed inside a main bag 1 and is used for accommodating articles, a water bin bag 11 is arranged in the main bin, the water bin bag 11 is used for storing a special water bag, a water pipe outlet 12 is formed in the back of the main bag 1, the water pipe outlet 12 is communicated with the water bin bag 11, when the water bag is used, the special water bag is placed in the water bin bag 11, one end of a water suction pipe is inserted into the special water bag, and the other end of the water suction pipe passes through the water pipe outlet 12 and is positioned outside the back of the main bag 1, so that water can be supplemented when a user walks on the main bag 1 without taking out the water bag, and the whole use convenience is improved.

Referring to fig. 4 and 5, a main bin opening is formed in the face of the main bag 1, the main bin opening is used for storing articles in the main bin, a main cover 13 is turned over at the edge of the main bin opening, which is close to the bottom end of the main bag 1, one end of the main cover 13 is sewed and fixed at the edge of the main bin opening, the other three edges of the main cover 13 are connected with the main bin opening through fixed-length zippers, meanwhile, a hidden belt 15 is further arranged at the zipper connection of the face of the main bag 1, one side edge of the hidden belt 15 is fixed on the face of the main bag 1 through sewing, and when the main bag is used, the zipper at the main cover 13 can be shielded and protected through the hidden belt 15, so that the main cover 13 can be opened and closed.

Referring to fig. 4 and 5, a sleeping bag bin 30 is sewn at the bottom end of the face of the main bag 1, the sleeping bag bin 30 is used for storing sleeping bags, in this embodiment, the opening of the sleeping bag bin 30 is downward, a plurality of strapping 301 are arranged on the sleeping bag bin 30, the plurality of strapping 301 are arranged at intervals along the length direction of the sleeping bag bin 30, in this embodiment, the strapping 301 is preferably arranged in two, and the strapping 301 is adjusted through inserting and buckling.

Referring to fig. 2 and 6, the back of the main bag 1 is provided with a backboard 3, both sides and bottom sides of the backboard 3 are sewn and fixed with corresponding sides of the back of the main bag 1 through fabrics, the backboard 3 is formed by compounding a PE plate layer, a sponge layer and a fabric layer, the backboard 3 is integrally curved, so as to be suitable for human back curves and compound ergonomics, the comfort of a user carrying the main bag 1 is improved, a support frame 2 is further arranged between the backboard 3 and the back of the main bag 1, the support frame 2 is integrally made of an aluminum alloy material in the embodiment, and when in use, the whole load of the main bag 1 is uniformly decomposed by combining the ventilation and the stiff backboard 3 through lasting decompression of the support frame 2 made of the aluminum alloy, so that the whole carrying is lighter and more comfortable.

Referring to fig. 2 and 6, two shoulder straps 4 are symmetrically arranged at two ends of the top end of the supporting frame 2, one ends of the shoulder straps 4 are sewn and fixed on the supporting frame 2 through binding straps, the other ends of the shoulder straps 4 are sewn and fixed at the back of the main bag 1, a front connecting strap 40 is arranged between the two shoulder straps 4, the front connecting strap 40 is detachably connected through eye-splice, a waist support 5 is arranged at the bottom end of the back of the main bag 1, the whole waist support 5 transversely penetrates between the back of the main bag 1 and the backboard 3, two ends of the waist support 5 are connected through eye-splice, and waist seal adjusting buckles 51 are further arranged between two sides of the waist support 5 and the main bag 1.

Referring to fig. 2 and 6, in use, the shoulder strap 4 ensures the overall carrying function of the backpack, the setting of the front connecting strap 40 and the waist support 5 enhances the stability and comfort of the carrying process, and simultaneously the tightness of the waist support 5 can be adjusted by adjusting the eye-splice and the waist-seal adjusting buckle 51 on the waist support 5, thereby ensuring that the waist support 5 can completely wrap the waist and crotch of a user, thereby ensuring the carrying comfort of the main bag 1, and in addition, a waist-seal storage bag 52 is arranged outside the waist support 5, thereby facilitating the storage and taking of small articles by the user in the carrying process of the main bag 1.

Referring to fig. 2 and 6, in order to realize the adjustment of the support frame 2 on the premise of ensuring the integrity of the back-to-back function of the main bag 1, so as to be suitable for users of different sizes, and simultaneously realize the integral tightening of the main bag 1, so as to reduce the falling-back degree of the main bag 1 in the carrying process, a side tightening structure 6, a face tightening structure 7 and a position adjusting structure 8 are further arranged on the main bag 1.

Referring to fig. 2 and 6, the lateral tightening structure 6 is composed of a first body tightening strap 61, a second body tightening strap 62, a second eye-splice assembly 63, a first adjusting buckle 64 and a second adjusting buckle 65, wherein the first body tightening strap 61 and the second body tightening strap 62 are all inclined, an included angle exists between the first body tightening strap 61 and the second body tightening strap 62, the first adjusting buckle 64 and the second adjusting buckle 65 are all fixed on the main bag 1 through stitching of a binding strap, the first body tightening strap 61 is located at a position close to the top end of the side of the main bag 1, one end of the first body tightening strap 61 is stitched and fixed on one side of the face of the main bag 1, the other end of the first body tightening strap 61 is detachably connected with the side of the back of the main bag 1 through the second eye-splice assembly 63, one end of the second body tightening strap 62 is stitched and fixed on one side of the face of the main bag 1, and the other end of the second body tightening strap 62 passes through the first adjusting buckle 64 and then passes through the second adjusting buckle 65.

Referring to fig. 2 and 6, in use, the face of the main bag 1 is tightened by the first bag tightening strap 61, the tightening adjustment of the second bag tightening strap 62 is achieved by adjusting the length of the second bag tightening strap 62 penetrating the second adjusting buckle 65, thereby tightening the back of the main bag 1, and the side of the main bag 1 can be tightened by matching with the use of the first bag tightening strap 61, in addition, the side wall storage bag 16 is sewn on the side of the main bag 1, in this embodiment, the side wall storage bag 16 is made of elastic cloth, and in use, the storage of small articles is achieved by the side wall storage bag 16.

Referring to fig. 2 and 7, the face tightening structure 7 is composed of a third body tightening strap 71 and a third eye-splice assembly 72, wherein one end of the third body tightening strap 71 is sewed and fixed on the back of the main bag 1, the other end of the third body tightening strap 71 bypasses the gap between the top end of the main bag 1 and the crown bag 9 and is detachably connected with the face of the main bag 1 through the third eye-splice assembly 72, in the present application, waterproof elastic cloth 17 is sewed and fixed on the outer side of the main cover 13, the third eye-splice assembly 72 comprises a face plug 721 and a face buckling body 722, the face plug 721 is sewed and fixed on the top end of the waterproof elastic cloth 17 through a bandage, and the face buckling body 722 is sewed and fixed on the third body tightening strap 71 through a bandage.

Referring to fig. 2 and 7, in use, after the articles are stored in the main bag 1, the end of the third bag body tightening strap 71 can be pulled to wind the third bag body tightening strap 71 at the top end of the main bag 1, and then the face plug 721 is inserted into the face fastening body 722 to realize the fixed connection between the third bag body tightening strap 71 and the waterproof elastic fabric 17, on one hand, the waterproof elastic fabric 17 is tightened by the third bag body tightening strap 71, so that the bottom end of the main bag 1 is tightened by the waterproof elastic fabric 17, the falling-down degree of the main bag 1 is reduced to a certain extent, and on the other hand, the risk of accidental opening of the main cover 13 is reduced by tightening the waterproof elastic fabric 17 by the third bag body tightening strap 71.

Referring to fig. 2 and 8, a shoulder pad 14 is disposed at a position of the back of the main bag 1 near the top end, two ends of the shoulder pad 14 are sewed and fixed at the back of the main bag 1, the position adjusting structure 8 is composed of a first adjusting strap 81, a third adjusting buckle 83, a pull ring 84, a second adjusting strap 82 and a fourth adjusting buckle 85, wherein one end of the first adjusting strap 81 is sewed and fixed on the right shoulder strap 4, the other end of the first adjusting strap 81 sequentially passes through the right shoulder pad 14 and the left shoulder pad 14 and then passes through the third adjusting buckle 83, and the third adjusting buckle 83 is sewed and fixed on the left shoulder strap 4 through a binding belt.

Referring to fig. 8 and 9, the pull ring 84 is stitched and fixed at the bottom end of the support frame 2 through the binding band, one end of the second adjusting belt 82 is stitched and fixed at the top end of the right side of the waist support 5, the fourth adjusting buckle 85 is stitched and fixed at the left side of the waist support 5 through the binding band, the other end of the second adjusting belt 82 passes through the pull ring 84 and then penetrates through the fourth adjusting buckle 85, when the backpack is used, the adjustment of the top end position of the support frame 2 is realized by adjusting the length of the first adjusting belt 81 penetrating through the third adjusting buckle 83, the distance between the waist support 5 and the support frame 2 can be realized by adjusting the length of the second adjusting belt 82 penetrating through the fourth adjusting buckle 85, and the backpack can be suitable for users with different sizes by matching with the adjustment of the position of the shoulder belt 4.

Referring to fig. 1 and 2, a plurality of external hanging points 50 and warning reflective belts 60 are arranged on a main bag 1 and a cap top bag 9, and when in use, an external mounting and accommodating system is formed through the cooperation of the external hanging points 50, a first bag body tightening belt 61 and a second bag body tightening belt 62, so that a user can conveniently and reasonably arrange different types of articles, and a warning effect is achieved through the arrangement of the warning reflective belts 60, so that the use safety is improved.

The embodiment of the application has the implementation principle that when the backpack is used, the chest connecting belt 40 and the waist support 5 are firstly untied, the first bag body tightening belt 61, the second bag body tightening belt 62, the first adjusting belt 81, the second adjusting belt 82 and the elastic belts on the shoulder belts 4 are loosened, then articles are stored in the main bag 1 or the crown bag 9, the main bag 1 is stored on the back after the storage is completed, the elastic belts on the shoulder belts 4 are tightened, the waist support 5 is ensured to fully wrap the crotch, the chest connecting belt 40 is adjusted to a comfortable position and fastened by fastening the eye-splice, then the main bag 1 is integrally fastened to the comfortable position by adjusting the side tightening structure 6 and the face tightening structure 7, finally the eye-splice on the waist support 5 is fastened, the first adjusting belt 81 is adjusted, the upper part of the main bag 1 forms a 45-degree angle with the shoulder parts, and a more comfortable carrying state is achieved, in the carrying process, the overall falling degree of the back of the knapsack is further slowed down by the side tightening structure 6 and the face tightening structure 7, and the crown bag 9 is required to be conveniently and quickly and conveniently detached when the user carries the backpack 9.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (10)

1. The multifunctional carrying knapsack is characterized by comprising a main bag (1), wherein a support frame (2) is arranged at the back of the main bag (1), the support frame (2) is far away from the main bag (1) and is provided with a back plate (3), the side edge of the back plate (3) is fixedly connected with the back of the main bag (1), two shoulder straps (4) used for wearing are arranged on the support frame (2), a waist support (5) is arranged at the back of the main bag (1), a side tightening structure (6) used for tightening the side of the main bag (1), a face tightening structure (7) used for tightening the face of the main bag (1) and a position adjusting structure (8) used for adjusting the position of the support frame (2) are arranged on the main bag (1), and a crown bag (9) is detachably arranged at the top of the main bag (1).

2. The multifunctional carrying knapsack of claim 1, wherein a main bin for storing objects is formed inside the main bag (1), a water bin bag (11) for storing a water bag is arranged in the main bin, a water pipe outlet (12) is formed in the back of the main bag (1), the water pipe outlet (12) is communicated with the water bin bag (11), a main bin opening for placing objects in the main bin is formed in the face of the main bag (1), a main cover body (13) for closing the main bin opening is arranged at the edge of the main bin opening in a turnover mode, a first inserting and buckling assembly (10) is arranged between the top end of the main bag (1) and the top cap bag (9), and the top cap bag (9) is connected to the top end of the main bag (1) through the first inserting and buckling assembly (10).

3. The multi-functional portable backpack of claim 2, wherein the first eye-splice assembly (10) comprises a first back buckling body (101) arranged at the back of the main bag (1), a first side plugging body (102) arranged at the side of the main bag (1), and a first back buckling body (103) and a first side buckling body (104) arranged on the cap top bag (9), wherein the first back buckling body (101) is in plug-in fit with the first back buckling body (103), and the first side plugging body (102) is in plug-in fit with the first side buckling body (104).

4. The multifunctional carrying knapsack of claim 3, wherein shielding cloth (20) is further arranged at the top end of the main bag (1), the shielding cloth (20) is located between the crown bag (9) and the top end of the main bag (1), a second back plug-in body (201) is arranged at one end of the shielding cloth (20), a second side buckling body (202) is arranged at the other end of the shielding cloth (20), the second back plug-in body (201) is in plug-in fit with the first back buckling body (101), and the second side buckling body (202) is in plug-in fit with the first side plug-in body (102).

5. The multi-functional carrying knapsack of claim 3, wherein a storage bin for storing small articles is formed in the hat top bag (9), a shoulder strap (91) is arranged at the bottom of the hat top bag (9), one end of the shoulder strap (91) is fixed with a second back buckling body (92) for being in plug-in fit with the first back buckling body (103), the other end of the shoulder strap (91) is fixed with a second side plug-in body (93) for being in plug-in fit with the first side buckling body (104), and the shoulder strap (91) is stored in the storage bin.

6. The multifunctional carrying knapsack as claimed in claim 2, wherein a sleeping bag bin (30) for storing sleeping bags is arranged at one end of the face of the main bag (1) far away from the main cover body (13), and a strapping (301) for ensuring storage stability of the sleeping bags is further arranged between the sleeping bag bin (30) and the face of the main bag (1).

7. The multi-functional portable backpack of claim 1, wherein the lateral tightening structure (6) comprises a first bag body tightening strap (61) and a second bag body tightening strap (62) which are arranged on the lateral side of the main bag (1), a second eye-splice assembly (63) which is arranged between the first bag body tightening strap (61) and the main bag (1), and a first adjusting buckle (64) and a second adjusting buckle (65) which are arranged on the main bag (1), one end of the first bag body tightening strap (61) is fixedly connected with the lateral side of the face of the main bag (1), the other end of the first bag body tightening strap (61) is detachably connected with the lateral side of the back of the main bag (1) through the second eye-splice assembly (63), one end of the second bag body tightening strap (62) is fixed on the main bag (1), and the other end of the second bag body tightening strap (62) penetrates through the first adjusting buckle (64) and then penetrates through the second adjusting buckle (65).

8. A multi-functional carrying bag according to claim 1 wherein the face tightening structure (7) comprises a third body tightening strap (71) arranged between the top of the main bag (1) and the crown bag (9), and a third eye-splice assembly (72) arranged between the third body tightening strap (71) and the main bag (1), one end of the third body tightening strap (71) is rotatably connected to the back of the main bag (1), and the other end of the third body tightening strap (71) bypasses the top end of the main bag (1) and is detachably connected with the face of the main bag (1) through the third eye-splice assembly (72).

9. The multi-functional portable backpack of claim 1, wherein the position adjusting structure (8) comprises a first adjusting strap (81) arranged between the shoulder strap (4) and the back of the main bag (1), a third adjusting buckle (83) arranged on the first adjusting strap (81), a pull ring (84) arranged on the supporting frame (2), a second adjusting strap (82) arranged between the waist support (5) and the back of the main bag (1), a fourth adjusting buckle (85) arranged on the second adjusting strap (82), a shoulder pad (14) is fixed on the back of the main bag (1), one end of the first adjusting strap (81) is fixed on one shoulder strap (4), the other end of the first adjusting strap (81) penetrates through the shoulder pad (14) and then is arranged on the third adjusting buckle (83), one end of the second adjusting strap (82) is fixed on the bottom end of the back of the main bag (1), and the other end of the second adjusting strap (82) penetrates through the fourth adjusting buckle (85) and is arranged on the bottom end of the fourth adjusting buckle (85).

10. The multi-functional portable backpack according to claim 1, wherein a chest connecting strap (40) is further provided between the two shoulder straps (4), and the chest connecting strap (40) is detachably connected by means of a buckle.