Multipurpose backpack

Abstract

A multipurpose backpack comprises a main body unit and a belt body unit. The main body unit comprises a bag bottom, a front bag surface and a rear bag surface, wherein the front bag surface and the rear bag surface are connected to the bag bottom. And the main body unit also defines at least two limiting channels which are formed on the rear bag surface and are far away from the bag bottom. The belt body unit comprises two belt bodies which are crossed and connected to the main body unit. Each belt body can movably pass through the corresponding limiting channel and is provided with an adjusting section between the rear connecting end and the corresponding limiting channel. When the length of the adjusting section is small, the belt body and the main body unit define a hooking space suitable for a palm, an arm or a single shoulder to pass through. When the length of the adjusting section is long, the belt body and the main body unit define two back hanging spaces suitable for the shoulders to pass through.

Description

Technical Field

[0001] This invention relates to a backpack, and more particularly to a multi-purpose backpack that can be carried in different ways. Background Technology

[0002] A known multi-purpose bag disclosed in Taiwan Patent No. TWM574427 includes a pair of male buckles near the bag opening, a pair of female buckles near the bag opening, a pair of back straps near the bottom of the bag, and two shoulder straps. The shoulder straps can be connected to the male and female buckles respectively, making it suitable for carrying on one shoulder or by hand. The shoulder straps can also be connected to the back straps for carrying on both shoulders. This allows for different carrying methods, enabling the bag to be used for business, outdoor leisure, or daily life.

[0003] However, when changing carrying methods, users need to repeatedly remove or fasten the shoulder straps, which is not only cumbersome and time-consuming, but also quite inconvenient to use. Furthermore, with the shoulder straps fastened in this way, one of the straps is prone to coming off when the bag is pulled by external force. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-purpose backpack that is simple in structure and easy to operate, with multiple uses.

[0005] The multi-purpose backpack of the present invention includes a main body unit and a strap unit.

[0006] The main body unit includes a bag bottom, a front bag surface connected to the bag bottom, and a rear bag surface connected to the bag bottom and spaced apart from the front bag surface. The main body unit also defines at least two limiting channels formed on the rear bag surface and away from the bag bottom.

[0007] The strap unit includes two intersecting straps, each of which is movable through its corresponding limiting channel and has a front connecting end connected to the main body unit, a rear connecting end connected to the main body unit and adjacent to the bottom of the bag, and an adjustment section between the rear connecting end and its corresponding limiting channel. The straps are capable of changing between a lateral state and a rearward state. In the lateral state, each of the adjustment sections has a first length, and the straps and the main body unit together define a hooking space suitable for the palm, arm, or shoulder to pass through. In the rearward state, each of the adjustment sections has a second length greater than the first length, and the straps and the main body unit define two back-hanging spaces suitable for both shoulders to pass through.

[0008] In the multi-purpose backpack of the present invention, the front connecting end of each of the straps is connected to the front pocket surface and away from the bottom of the pocket.

[0009] The multipurpose backpack of the present invention has each of the straps having its front connecting end connected to the front pocket surface and adjacent to the bottom of the pocket.

[0010] The multipurpose backpack of the present invention has each of the straps extending from the front pocket surface around a side opposite to the bottom of the bag to the rear pocket surface, and the front connecting end and the rear connecting end are respectively connected to the bottom of the bag.

[0011] The multi-purpose backpack of the present invention further includes four limiting rings in the main body unit. Each limiting ring defines a limiting channel. Two of the limiting rings are connected to the rear pocket surface and away from the bottom of the pocket, and the other two limiting rings are connected to the front pocket surface and away from the bottom of the pocket. Each strap passes through the corresponding limiting channel.

[0012] The multi-purpose backpack of the present invention has a front pocket surface and a rear pocket surface that are spaced apart in the front-to-back direction and define a pocket opening that is opposite to the bottom of the bag in the up-down direction. The limiting channel, the front connecting end, and the rear connecting end are spaced apart in the left-to-right direction.

[0013] The multi-purpose backpack of the present invention has a hook space located directly above the bag opening along the vertical direction, and a back hanging space formed on one side of the rear bag surface along the front-back direction.

[0014] The multi-purpose backpack of the present invention further includes two connecting rings connected to the rear pocket surface and the rear connecting end of the strap body in the main body unit.

[0015] The multi-purpose backpack of the present invention further includes two limiting rings connected to the rear pocket surface and defining the limiting channel.

[0016] The multi-purpose backpack of the present invention further includes at least one separator connected to the rear pocket surface and defining the limiting channel together with the rear pocket surface.

[0017] The multi-purpose backpack of the present invention includes two partitions in the main body unit, which are spaced apart in the left-right direction and together with the back pocket surface define their respective limiting channels.

[0018] The beneficial effects of the present invention are that different carrying methods can be changed by simply configuring the length of the adjustment section, thus having multiple uses. It is not only simple in structure, but also easy to operate. Attached Figure Description

[0019] Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, wherein:

[0020] Figure 1 This is a perspective view illustrating an embodiment of the multi-purpose backpack of the present invention;

[0021] Figure 2 This is a rear view illustrating the two belts of the embodiment in a lateral orientation.

[0022] Figure 3 This is a side view illustrating that each adjustment segment of the belt in the embodiment has a first length;

[0023] Figure 4 It is similar to Figure 1 A three-dimensional view, but the belt is in a rearward state;

[0024] Figure 5 It is similar to Figure 3 The side view, but each of the adjustment segments of the belt body has a second length;

[0025] Figure 6 This is a top view illustrating that the belt in the described embodiment crosses above the opening of a bag;

[0026] Figure 7 It is similar to Figure 6 A top view, but the strap is detached from the bag opening;

[0027] Figure 8 It is similar to Figure 3 The side view shows the two front connecting ends of the strap body adjacent to the bottom of the bag;

[0028] Figure 9 It is similar to Figure 1 The three-dimensional view shows that the front connecting end and the two rear connecting ends of the belt are connected to the bottom of the bag;

[0029] Figure 10 This is a rear view, illustrating that in the embodiment described, the two limiting channels are defined by a separator and the back pocket surface.

[0030] Figure 11 It is similar to Figure 10 The rear view shows the limiting channel, but it is defined by two separators and the rear pocket surface.

[0031] Figure 12 It is similar to Figure 11 The rear view, but the limiting channel is defined by the rear pocket surface;

[0032] Figure 13 It is similar to Figure 12 The rear view shows the limiting channel, but its position is adjacent to the corner of the rear bag surface. Detailed Implementation

[0033] See Figures 1-4An embodiment of the multi-purpose backpack of the present invention includes a main body unit 1 and a strap unit 2.

[0034] In this embodiment, the main body unit 1 is configured as a soft bag body, including a bag bottom 11, a front bag surface 12 connected to the bag bottom 11, a rear bag surface 13 connected to the bag bottom 11 and spaced from the front bag surface 12 in the front-rear direction X, two connecting rings 14, and two limiting rings 15.

[0035] The rear bag surface 13 and the front bag surface 12 define a bag opening 10 that is opposite to the bottom of the bag 11 in the vertical direction Z.

[0036] The connecting ring 14 is connected to the rear bag surface 13 and is located away from the bag opening 10 but adjacent to the bag bottom 11. The connecting rings 14 are spaced apart in the left-right direction Y.

[0037] The limiting ring 15 is connected to the rear bag surface 13 and is adjacent to the bag opening 10 and away from the bag bottom 11. Each limiting ring 15 defines a hollow limiting channel 150. The limiting channels 150 are spaced apart in the left-right direction Y.

[0038] The belt unit 2 includes two intersecting belts 21 and two adjusting rings 22.

[0039] In this embodiment, each of the straps 21 is movably passable through its corresponding limiting channel 150 and has a front connecting end 211 connected to the front bag surface 12 and adjacent to the bag opening 10 and away from the bag bottom 11, a rear connecting end 212 connected to its corresponding connecting ring 14 and adjacent to the bag bottom 11, and an adjustment section 213 between the rear connecting end 212 and the highest point of its corresponding limiting channel 150 in the vertical direction Z. The front connecting ends 211 are spaced apart along the horizontal direction Y and correspond to the connecting ring 14 along the vertical direction Z. The rear connecting ends 212 are spaced apart along the horizontal direction Y.

[0040] Each adjustment ring 22 is installed on its corresponding belt body 21 and is used to adjust the length of its corresponding belt body 21. Since the adjustment ring 22 is not a technical feature of this invention and is a prior art construction, those skilled in the art can deduce the extended details based on the above description, and therefore will not be described further.

[0041] See Figure 1 , Figure 2 , Figure 4 and Figure 5 The belt 21 can be in a lateral state (e.g.) Figure 1 and Figure 2 ) and a backward state (e.g. Figure 4 and Figure 5 The length of each adjustment segment 213 varies between the two sides. In the lateral position, each adjustment segment 213 has a first length L1. The strap 21 and the main body unit 1 together define a hook space 201 located directly above the bag opening 10 along the vertical direction Z. In the rearward position, each adjustment segment 213 has a second length L2 greater than the first length L1. The strap 21 and the main body unit 1 define two back-hanging spaces 202 formed on one side of the rear bag surface 13 along the front-rear direction X.

[0042] The user can simply pull the belt 21 to move it along the limiting channel 150, thereby configuring the length of the adjustment section 213 to the first length L1 or the second length L2, and thus changing the usage state of the belt 21.

[0043] When the strap 21 is in the lateral position, the hook space 201 is adapted to allow passage for the palm, arm, or shoulder. This allows the user to carry the multi-purpose backpack of the present invention by hand, over the shoulder, or diagonally.

[0044] When the straps 21 are in the rearward position, the back-mounted space 202 is adapted for shoulder passage. This allows the user to carry the multi-purpose backpack of the present invention on their back. And when the user carries the multi-purpose backpack of the present invention on their back, the crossed straps 21 will... Figure 6 As shown, the straps cross above the bag opening 10; simply pulling the strap 21 will allow them to... Figure 5 The bag opening 10 is closed as shown, thus achieving the purpose of closing the bag opening 10.

[0045] See Figure 7 When the bag opening 10 needs to be opened, simply pull the strap 21 until it changes to the lateral position. The strap 21 will then drop between the front bag surface 12 and the rear bag surface 13 and detach from the bag opening 10. This allows the bag opening 10 to expand its diameter without restriction.

[0046] It should be noted that the front connecting end 211 of the strap 21 is not limited to the area adjacent to the bag opening 10. In other variations of this embodiment, it may also be located as follows: Figure 8 As shown, it is connected to the front pocket surface 12 and adjacent to the bottom pocket 11. Or as... Figure 9As shown, the main body unit 1 includes four limiting rings 15. Two of the limiting rings 15 are connected to the rear pocket surface 13 and adjacent to the pocket opening 10, and the other two limiting rings 15 are connected to the front pocket surface 12 and adjacent to the pocket opening 10. Each strap 21 extends from the front pocket surface 12 through a corresponding limiting channel 150, around the pocket opening 10, and to the rear pocket surface 13, with the front connecting end 211 and the rear connecting end 212 respectively connected to the pocket bottom 11. Thus, the strap 21 can also change between the lateral state and the rearward state.

[0047] Furthermore, the limiting channel 150 is not limited to being defined by the limiting ring 15. In other variations of this embodiment, it can also be defined as follows: Figure 10 As shown, the main body unit 1 further includes a separator 15' connected to the rear pocket surface 13 and jointly defining the limiting channel 150 with the rear pocket surface 13. Or as... Figure 11 As shown, the main body unit 1 includes two spacers 15' spaced apart along the left-right direction Y. Each spacer 15', together with the back pocket surface 13, defines its respective limiting channel 150. Or as... Figure 12 As shown, the limiting channel 150 is directly defined by the rear pocket surface 13. Therefore, the movement path of the belt 21 can also be limited by the limiting channel 150.

[0048] Furthermore, the main body unit 1 is not limited to being configured as a soft bag; in other variations of this embodiment, it can also be as follows: Figure 13 As shown, the bag body is configured as rigid. The limiting channel 150, in conjunction with the rigid bag body, is configured as a circular hole and directly defined by the rear bag surface 13. In this way, the movement path of the belt 21 can also be restricted by the limiting channel 150.

[0049] Based on the above explanation, the advantages of the aforementioned embodiments can be summarized as follows:

[0050] 1. This invention allows for quick switching between different carrying methods simply by pulling the strap 21, thus serving multiple purposes. For manufacturers, it not only simplifies the structure but also reduces manufacturing costs. For consumers, it is easy to use, and purchasing just one multi-purpose backpack of this invention can meet various usage needs. It offers flexibility in use and eliminates the need to purchase multiple backpacks. This reduces material waste and space occupation, thereby meeting environmental protection requirements.

[0051] 2. Furthermore, due to the cross-arrangement of the straps 21, when the straps 21 are in the lateral position, they can form only one hook space 201 directly above the bag opening 10 with the main body unit 1. Therefore, whether carried by hand, on the side, or diagonally, there is no need to retract the straps 21, and the bag opening 10 will not be twisted or deformed due to retracting the straps 21.

[0052] The above description is merely an embodiment of the present invention and should not be construed as limiting the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the claims and description of the present invention shall still fall within the scope of the present invention.

Claims

1. A multi-purpose backpack, comprising: The main body unit includes a bag bottom, a front bag surface connected to the bag bottom, and a rear bag surface connected to the bag bottom and spaced apart from the front bag surface; and Band unit; Its features are: The main body unit also defines at least two limiting channels formed on the rear bag surface and away from the bottom of the bag; The strap unit includes two intersecting straps, each of which is movable through its corresponding limiting channel and has a front connecting end connected to the main body unit, a rear connecting end connected to the main body unit and adjacent to the bottom of the bag, and an adjustment section between the rear connecting end and its corresponding limiting channel. The straps are capable of changing between a lateral state and a rearward state. In the lateral state, each of the adjustment sections has a first length, and the straps and the main body unit together define a hooking space suitable for the palm, arm, or shoulder to pass through. In the rearward state, each of the adjustment sections has a second length greater than the first length, and the straps and the main body unit define two back-hanging spaces suitable for both shoulders to pass through.

2. The multi-purpose backpack according to claim 1, characterized in that: The front connecting end of each of the straps is connected to the front bag surface and away from the bottom of the bag.

3. The multi-purpose backpack according to claim 1, characterized in that: The front connecting end of each of the straps is connected to the front bag surface and adjacent to the bottom of the bag.

4. The multi-purpose backpack according to claim 1, characterized in that: Each of the straps extends from the front bag face around a side opposite to the bottom of the bag to the rear bag face, and the front connecting end and the rear connecting end are respectively connected to the bottom of the bag.

5. The multi-purpose backpack according to claim 4, characterized in that: The main unit also includes four limiting rings, each of which defines a limiting channel. Two of the limiting rings are connected to the rear bag surface and are away from the bottom of the bag, while the other two limiting rings are connected to the front bag surface and are away from the bottom of the bag. Each strap passes through the corresponding limiting channel.

6. The multipurpose backpack according to claim 2, 3, or 4, characterized in that: The front bag surface and the rear bag surface are spaced apart in the front-to-back direction and define a bag opening that is opposite to the bottom of the bag in the up-down direction. The limiting channel, the front connecting end, and the rear connecting end are spaced apart in the left-to-right direction.

7. The multi-purpose backpack according to claim 6, characterized in that: The hook space is located directly above the bag opening along the vertical direction, and the back hanging space is formed on one side of the back bag surface along the front-back direction.

8. The multi-purpose backpack according to claim 1, characterized in that: The main body unit also includes two connecting rings connected to the rear bag surface and the rear connecting end of the belt body.

9. The multi-purpose backpack according to claim 1, characterized in that: The main body unit also includes two limiting rings connected to the rear bag surface and defining the limiting channel.

10. The multi-purpose backpack according to claim 1, characterized in that: The main body unit also includes at least one separator connected to the rear pocket surface and together with the rear pocket surface defining the limiting channel.

11. The multi-purpose backpack according to claim 10, characterized in that: The main body unit includes two partitions, which are spaced apart in the left-right direction and together with the back pocket surface define their respective limiting channels.

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