Backpack

Abstract

The utility model discloses a knapsack which comprises a containing part used for containing articles; the straps are connected with the accommodating part, and the number of the straps is at least one; the water reaction structure comprises a reaction part and an expansion part which are connected with each other, the reaction part is detachably mounted in the accommodating part, and the expansion part is fixedly arranged on the straps and / or the accommodating part; after the reaction part is in contact with the water for a preset time, the reaction part supplies gas to the expansion part, so that the expansion part expands. According to the technical scheme, the problem that the knapsack has poor buoyancy after falling into water and does not have the capability of rescuing knapsack users can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, in particular to a backpack. Background Art

[0002] Backpacks are ubiquitous in daily life. Existing backpacks often do not have rescue capabilities during use. That is, due to the poor buoyancy of the backpack, when a user accidentally falls into the water while carrying the backpack for outdoor activities, the backpack provides little support for the user and does not have the ability to rescue the user. The user is often required to rescue himself. For backpack users who do not know how to rescue themselves, they need other people to rescue them. Utility Model Content

[0003] The main purpose of the utility model is to provide a backpack, aiming to solve the problem that the backpack has poor buoyancy and is unable to rescue the backpack user after falling into water.

[0004] To achieve the above purpose, the backpack proposed by the utility model includes:

[0005] A receiving portion for placing items;

[0006] a shoulder strap connected to the receiving portion, the strap being at least one; and

[0007] The water-reactive structure comprises a reaction part and an expansion part connected to each other, wherein the reaction part is detachably mounted on the accommodation part, and the expansion part is fixedly mounted on the shoulder strap and / or the accommodation part; when the reaction part contacts water for a preset time, the reaction part supplies gas to the expansion part to expand the expansion part.

[0008] Optionally, the expansion portion includes a connected fixing portion and an airbag portion, the fixing portion is fixed to the shoulder strap and / or the accommodating portion, and the airbag portion is connected to the reaction portion.

[0009] Optionally, the water-reactive structure further comprises a connecting pipe, wherein the connecting pipe is used to connect the reaction part and the expansion part, and the reaction part supplies gas into the expansion part through the connecting pipe.

[0010] Optionally, the backpack further includes a mounting seat corresponding to the reaction part, the mounting seat is connected to the accommodating part, and the reaction part is detachably mounted on the mounting seat.

[0011] Optionally, the mounting seat includes a first connecting member and a protective shell, the first connecting member and the protective shell are combined to form a accommodating cavity, the reaction part is installed in the accommodating cavity, a through hole is provided on the accommodating cavity for a connecting pipe to pass through, and the first connecting member is detachably connected to the protective shell.

[0012] Optionally, a water hole is provided on the first connecting member, and the water hole corresponds to the accommodating cavity.

[0013] Optionally, a filter screen is provided at the water hole.

[0014] Optionally, a first interlayer for placing the expansion part is provided inside the shoulder strap, and a first opening is provided between the first interlayers, and the first opening enables the first interlayer to communicate with the outside of the shoulder strap;

[0015] And / or, a second interlayer for placing the expansion part is provided in the accommodating part, and a second opening is provided between the second interlayers, and the second opening connects the second interlayer with the outside of the accommodating part.

[0016] Optionally, the reaction part is installed inside the accommodation part.

[0017] Optionally, the number of the shoulder straps is two, the number of the water-reactive structures is also two, and the two expansion parts are respectively installed on the two shoulder straps.

[0018] The technical solution of the utility model adopts a water-reactive structure installed on the accommodating part. When the backpack falls into the water, the reaction part in the water-reactive structure contacts with water for a preset time, and the sensing structure in the reaction part triggers the gas cylinder, so that the compressed gas in the gas cylinder is supplied to the expansion part, thereby expanding the expansion part, thereby increasing the buoyancy of the backpack, enabling the backpack to provide support for the backpack user who falls into the water, so that the backpack has the ability to rescue, thereby solving the technical problems existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of an embodiment of the utility model backpack;

[0021] Figure 2 for Figure 1 A structural diagram of the backpack usage status;

[0022] Figure 3 It is a structural schematic diagram of an embodiment of the water-reactive structure of a backpack of the utility model;

[0023] Figure 4 for Figure 3Schematic diagram of the structural explosion of the water-reactive structure;

[0024] Figure 5 for Figure 3 A schematic structural diagram of an embodiment of the cooperation between the water-reactive structure and the accommodating portion;

[0025] Figure 6 for Figure 1 A schematic structural diagram of an embodiment of a middle shoulder strap.

[0026] Description of Figure Numbers:

[0027] Label name Label name 100 strap 110 First interlayer 120 First opening 200 Accommodation 300 Water-reactive structure 310 Reaction Department 311 Gas Cylinders 312 Induction structure 320 Expansion 321 Airbag Department 330 Connecting pipe 400 Mounting Seat 410 First connecting piece 420 Protective case 430 Accommodation cavity 440 Water hole 460 Filter 470 Through Hole

[0028] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0033] The utility model provides a backpack.

[0034] In one embodiment of the present utility model, reference Figures 1 to 4 , the backpack includes:

[0035] The accommodating portion 200 is used for placing articles. In the present embodiment, the accommodating portion 200 has at least one article placement opening. A zipper may or may not be installed at the article placement opening. A user may place articles into the accommodating portion 200 through the article placement opening. Specifically, in the present embodiment, the material of the accommodating portion 200 is not limited, and the accommodating portion 200 may be a flexible material or a hard material.

[0036] The shoulder strap 100 is connected to the accommodating portion 200. Specifically, both ends of the shoulder strap 100 are connected to the accommodating portion 200, wherein the two ends of the shoulder strap 100 can be detachably connected to the accommodating portion 200, or fixedly, or adjustably connected; and there is at least one shoulder strap 100.

[0037] The water-reactive structure 300 includes a reaction part 310 and an expansion part 320 connected to each other. The reaction part 310 can be detachably mounted on the receiving part 200. In this embodiment, there is no restriction on the detachable connection between the reaction part 310 and the receiving part 200. The expansion part 320 is fixedly mounted on the strap 100 and / or the receiving part 200. When the water-reactive structure 300 is one, the expansion part 320 can be fixedly mounted on both sides of the strap 100 or the receiving part 200. When there are multiple water-reactive structures 300, the expansion parts 320 can be fixed on the shoulder strap 100, or fixed on the receiving part 200, or fixed on both the shoulder strap 100 and the receiving part 200; further, the connection relationship between the expansion part 320 and the shoulder strap 100 and / or the receiving part 200 is explained by taking the expansion part 320 fixed on the shoulder strap 100 as an example, and the expansion part 320 is fixed on the shoulder strap 100 by a detachable structure, wherein the detachable structure includes but is not limited to screw locking;

[0038] When the reaction part 310 contacts water for a preset time, the reaction part 310 supplies gas to the expansion part 320 to expand the expansion part 320; when the reaction part 310 contacts water for a preset time, that is, the sensing structure 312 contacts water for a preset time, so that the backpack falls into the water, and the reaction part 310 is prevented from mistakenly supplying gas to the expansion part 320; in this embodiment, the reaction part 310 includes a gas cylinder 311 and a sensing structure 312, and the gas cylinder 311 contains compressed gas, wherein the compressed gas can be carbon dioxide, and the gas cylinder 311 is connected to the expansion part 320, and when the sensing structure 312 is in contact with the water, the reaction part 310 supplies gas to the expansion part 320. After the water contacts for a preset time, the sensing structure 312 triggers the gas cylinder 311, so that the gas in the gas cylinder 311 is supplied to the expansion part 320 to expand it. When the expansion part 320 expands, the buoyancy of the backpack can be increased, so that the backpack can provide support for the backpack user who falls into the water, thereby enabling the backpack to have the ability to rescue, thereby solving the technical problems existing in the prior art; wherein, the sensing structure 312 in this embodiment can select water-soluble chemical tablets; when the sensing structure 312 selects water-soluble chemical tablets, the structure of the reaction part 310 can refer to the structure in Patent No. ZL202321964922.5. In other embodiments, the sensing structure 312 may also select a water immersion sensor. When the sensing structure 312 selects a water immersion sensor, the gas cylinder 311 is provided with a linkage switch corresponding to the water immersion sensor, wherein a delay structure is built in the linkage switch. When the water immersion sensor detects that the backpack falls into water, the signal is continuously transmitted to the delay structure. At this time, the delay structure causes the linkage switch to open the gas cylinder 311 after a certain delay, so that the compressed gas in the gas cylinder 311 is supplied to the expansion part 320. In this embodiment, there is no limitation on the structure of the reaction part 310.

[0039] At the same time, in the present embodiment, since the expansion part 320 and the reaction part 310 are both detachably connected to the containing part 200, before daily cleaning of the backpack, the cleaning personnel can first remove the expansion part 320 and the reaction part 310, and then clean the backpack, thereby avoiding the expansion part 320 from expanding during the cleaning process; at the same time, under the premise that the expansion part 320 and the reaction part 310 are detachable, after the expansion part 320 and the reaction part 310 are used, the user can disassemble and replace them, which is very convenient.

[0040] The technical solution of the utility model adopts the method of installing a water-reactive structure 300 on the accommodating part 200. When the backpack falls into the water, after the reaction part 310 in the water-reactive structure 300 contacts with water for a preset time, the sensing structure 312 in the reaction part 310 triggers the gas cylinder 311, so that the compressed gas in the gas cylinder 311 is supplied to the expansion part 320, so that the expansion part 320 expands, thereby increasing the buoyancy of the backpack, so that the backpack can provide support for the backpack user who falls into the water, so that the backpack can play a rescue role, thereby solving the technical problems existing in the prior art.

[0041] In one embodiment, reference Figures 1 to 4 The expansion part 320 includes a connected fixing part and an airbag part 321, the fixing part is fixed to the shoulder strap 100 and / or the accommodating part 200, and the airbag part 321 is connected to the reaction part 310; in this embodiment, under the action of the fixing part, the connection between the expansion part 320 and the shoulder strap 100 and / or the accommodating part 200 can be made more stable. When the backpack falls into the water, the backpack user sinks and the expansion part 320 floats. At this time, the force applied to the connection between the expansion part 320 and the backpack is relatively large. Since the fixing part is fixed to the shoulder strap 100 and / or the accommodating part 200, the expansion part 320 can be prevented from separating from the shoulder strap 100 and / or the accommodating part 200; at the same time, the fixing part and the airbag part 321 are fixed, so that the stability between the airbag part 321 and the fixing part can be improved.

[0042] In one embodiment, reference Figures 1 to 4The water-reactive structure 300 further includes a connecting pipe 330, which is used to connect the reaction part 310 and the expansion part 320, and the reaction part 310 supplies gas to the expansion part 320 through the connecting pipe 330; in this embodiment, the distance between the reaction part 310 and the expansion part 320 can be increased under the action of the connecting pipe 330, that is, during the use of the backpack, the installation position of the expansion part 320 can be closer to the shoulder of the user, and the reaction part 310 can be away from the shoulder of the user; that is, when the backpack falls into the water, the reaction part 310 can contact and react with the water faster, and then supply compressed gas to the expansion part 320 to expand the expansion part 320, thereby increasing the buoyancy of the backpack and increasing the support at the shoulders of the backpack user, thereby reducing the probability of the backpack user's head entering the water. In this embodiment, an installation channel can be preset between the accommodating portion 200 and the shoulder strap 100, and the preset installation channel is used for the installation of the connecting tube 330. The preset installation channel can provide a protective effect for the connecting tube 330 to prevent the connecting tube 330 from being pulled during use and to prevent the connection between the connecting tube 330 and the reaction portion 310 or the expansion portion 320 from being disconnected.

[0043] In one embodiment, reference Figure 3 , Figure 4 , the backpack also includes a mounting seat 400 corresponding to the reaction part 310, the mounting seat 400 is connected to the receiving part 200, and the reaction part 310 is detachably mounted on the mounting seat 400; in this embodiment, the connection between the mounting seat 400 and the receiving part 200 can be fixed or detachable; in this way, when the mounting seat 400 is detachably connected to the receiving part 200, if the reaction part 310 needs to be disassembled, the mounting seat 400 can be removed from the receiving part 200, and then the reaction part 310 can be removed from the mounting seat 400, which is more convenient to operate; when the mounting seat 400 is fixed to the receiving part 200, when the reaction part 310 needs to be disassembled, the reaction part 310 can be directly removed from the mounting seat 400. In this embodiment, the detachable connection between the reaction part 310 and the mounting seat 400 is not limited, and at the same time, another function of the mounting seat 400 is to protect the reaction part 310.

[0044] In one embodiment, reference Figure 3In order to facilitate the connection between the reaction part 310 and the mounting base 400, the mounting base 400 can adopt the following structure, the mounting base 400 includes a first connecting member 410 and a protective shell 420, the first connecting member 410 and the protective shell 420 are combined to form a receiving chamber 430, further, the receiving chamber 430 is formed on the protective shell 420, the reaction part 310 is installed in the receiving chamber 430, the receiving chamber 430 is provided with a through hole 470 for the connection tube 330 to pass through, the first connecting member 410 and the protective shell 420 are detachably connected; in this embodiment, the first connecting member 410 and the protective shell 420 are clamped, when the reaction part 310 needs to be disassembled, the protective shell 420 is removed from the first connecting member 410, at this time, the reaction part 310 can be taken out from the receiving chamber 430 on the protective shell 420, thereby completing the disassembly. In this embodiment, there is no restriction on the material of the first connecting member 410, and the first connecting member 410 can be made of a hard material or a flexible material. When a hard material is used, the first connecting member 410 can be made of hard plastic, and when a flexible material is used, the first connecting member 410 can be made of cloth. The first connecting member 410 and the accommodating portion 200 can be fixed by sewing or by screw locking. For the card-detachable connection between the first connecting member 410 and the accommodating portion 200, a structure such as Velcro or a snap-on buckle can be selected for connection.

[0045] In one embodiment, reference Figure 3 , Figure 4 , a water hole 440 is provided on the first connecting member 410, and the water hole 440 corresponds to the accommodating chamber 430; in this embodiment, the purpose of providing the water hole 440 on the first connecting member 410 is mainly to allow water to enter the accommodating chamber 430 more quickly when the backpack falls into water, and to allow the reaction part 310 to contact the water, so that the reaction part 310 can quickly supply compressed gas to the expansion part 320. In other embodiments, the water hole 440 can also be provided on the protective shell 420. Or it can be provided on both the protective shell 420 and the first connecting member 410.

[0046] In one embodiment, reference Figure 3 , Figure 4 A filter screen 460 is provided at the water hole 440. In the present embodiment, the filter screen 460 is provided mainly to prevent debris in the accommodating portion 200 from entering the accommodating cavity 430, resulting in excessive accumulation of debris outside the reaction portion 310, thereby preventing the debris from affecting the increase in the contact time between water and the reaction portion 310.

[0047] In one embodiment, reference Figure 6The brace 100 is provided with a first interlayer 110 for placing the expansion part 320, and a first opening 120 is provided between the first interlayers 110, and the first opening 120 enables the first interlayer 110 to communicate with the outside of the brace 100;

[0048] And / or, the accommodating portion 200 is provided with a second interlayer for placing the expansion portion 320, and a second opening is provided between the second interlayers, and the second opening enables the second interlayer to communicate with the outside of the accommodating portion 200. In this embodiment, the interlayer is provided mainly to hide the expansion portion 320 in the backpack and improve the appearance of the backpack. At the same time, the interlayer can protect the expansion portion 320, mainly to prevent the airbag portion 321 in the expansion portion 320 from being scratched and damaged; and when compressed gas is supplied to the expansion portion 320 under the action of the opening, the airbag portion 321 can be expanded from the opening, so as to expand outside the backpack, which can ensure the size of the airbag portion 321 when expanded, and avoid the airbag portion 321 being smaller in size after expansion due to the influence of space, resulting in the backpack being unable to provide stable support.

[0049] In one embodiment, there may be multiple water-reactive structures 300 , and the expansion parts 320 in the multiple water-reactive structures 300 may be installed in the shoulder strap 100 , or the receiving part 200 , or both the shoulder strap 100 and the receiving part 200 .

[0050] In one embodiment, reference Figure 5 , the reaction part 310 is installed inside the accommodating part 200; in this embodiment, when the reaction part 310 is installed inside the accommodating part 200, its mounting seat 400 is also installed inside the reaction part 310, wherein the first connecting member 410 on the mounting seat 400 is connected to the accommodating part 200. When the reaction part 310 is installed inside the accommodating part 200, it can better protect the reaction part 310 and make the appearance of the accommodating part 200 neater. In other embodiments, the reaction part 310 can also be installed outside the accommodating part 200, in which case the mounting seat 400 is also located outside the accommodating part 200; when the reaction part 310 is installed outside the accommodating part 200, if the backpack falls into water, the reaction part 310 can react to water more quickly.

[0051] In one embodiment, reference Figure 1 , Figure 2, the number of the shoulder straps 100 is two, the number of the water-reactive structures 300 is also two, and the two expansion parts 320 are respectively installed on the two shoulder straps 100; in this embodiment, when the number of the shoulder straps 100 is two, the backpack is a backpack, and the expansion part 320 is installed at a position close to the shoulder of the shoulder strap 100, so that when the expansion part 320 is inflated, the airbag part 321 thereof can be close to the head of the backpack user, and can provide support for the head of the backpack user to prevent the head from entering the water.

[0052] The above description is only an optional embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A backpack, characterized in that: include: A receiving portion for placing items; A shoulder strap connected to the receiving portion, and at least one shoulder strap; as well as A water-reactive structure, the water-reactive structure comprising a reaction part and an expansion part connected to each other, the reaction part being detachably mounted on the accommodation part, and the expansion part being fixedly mounted on the shoulder strap and / or the accommodation part; when the reaction part is in contact with water for a preset time, the reaction part supplies gas to the expansion part to expand the expansion part; The reaction part is installed inside the accommodation part.

2. The backpack according to claim 1, characterized in that: The expansion part includes a connected fixing part and an airbag part, the fixing part is fixed to the shoulder strap and / or the accommodating part, and the airbag part is connected to the reaction part.

3. The backpack according to claim 1 or 2, characterized in that: The water-reactive structure further includes a connecting pipe, which is used to connect the reaction part and the expansion part, and the reaction part supplies gas into the expansion part through the connecting pipe.

4. The backpack according to claim 3, characterized in that: The backpack further comprises a mounting seat corresponding to the reaction part, the mounting seat is connected to the accommodation part, and the reaction part is detachably mounted on the mounting seat.

5. The backpack according to claim 4, characterized in that: The mounting seat includes a first connecting member and a protective shell. The first connecting member and the protective shell are combined to form a receiving cavity. The reaction part is installed in the receiving cavity. A through hole is provided on the receiving cavity for a connecting pipe to pass through. The first connecting member is detachably connected to the protective shell.

6. The backpack according to claim 5, characterized in that: The first connecting member is provided with a water hole, and the water hole corresponds to the accommodating cavity.

7. The backpack according to claim 6, characterized in that: A filter screen is arranged at the water hole.

8. The backpack according to claim 1, characterized in that: A first interlayer for placing the expansion part is provided inside the shoulder strap, and a first opening is provided between the first interlayers, and the first opening enables the first interlayer to communicate with the outside of the shoulder strap; And / or, a second interlayer for placing the expansion part is provided in the accommodating part, and a second opening is provided between the second interlayers, and the second opening connects the second interlayer with the outside of the accommodating part.

9. The backpack according to claim 1, characterized in that: The number of the shoulder straps is two, the number of the water-reactive structures is also two, and the two expansion parts are respectively installed on the two shoulder straps.

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