Battery explosion-proof bag with exhaust function

Abstract

The utility model discloses a battery explosion-proof bag with an exhaust function, which comprises a bag body and an exhaust valve, the bag body is provided with an inner cavity for placing a battery, the inner cavity is provided with an opening, and a sealing mechanism is arranged at the opening; the exhaust valve is arranged in the bag body, the exhaust valve is provided with an exhaust channel communicating the inner cavity with the outside of the bag body, the exhaust channel is sequentially provided with a fireproof assembly and a filtering assembly from inside to outside, when spontaneous combustion or spontaneous explosion of the battery in the bag body occurs, smoke can be exhausted from the exhaust valve, the pressure in the bag body is reduced, and the situation that the bag body bursts is reduced; and in addition, the fireproof assembly and the filtering assembly can prevent flames from jumping out of the exhaust valve and filter exhausted smoke correspondingly, and the safety is further improved.

Description

Technical Field

[0001] This utility model relates to the field of explosion-proof bag technology, and in particular to a battery explosion-proof bag with venting function. Background Technology

[0002] Explosion-proof bags are generally used to hold lithium batteries or devices equipped with lithium batteries, such as mobile phones and tablets. Lithium batteries have a certain risk of spontaneous combustion and explosion. Using explosion-proof bags to hold lithium batteries or devices equipped with lithium batteries can improve the safety of storing, carrying or transporting lithium batteries or devices equipped with lithium batteries.

[0003] Currently, a Chinese utility model patent with patent number "201020188763.0" and titled "A Mobile Phone Explosion-Proof Bag" discloses a mobile phone explosion-proof bag. The bag body is composed of an explosion-proof layer made of aramid composite material. However, in actual application, the mobile phone explosion-proof bag needs to be sealed after the mobile phone is placed in it. Once the lithium battery spontaneously combusts / explodes, the gas produced will cause the mobile phone explosion-proof bag to expand rapidly, which can easily cause the mobile phone explosion-proof bag to burst open and other dangers, resulting in poor reliability of protection. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a battery explosion-proof bag with a venting function, which can improve the safety and reliability of the battery explosion-proof bag.

[0005] According to a first aspect of the present invention, a battery explosion-proof bag with venting function includes a bag body and an venting valve. The bag body is provided with an inner cavity for placing batteries, and the inner cavity has an opening with a sealing mechanism. The venting valve is disposed in the bag body and has an venting channel connecting the inner cavity and the outside of the bag body. A fireproof component and a filter component are arranged sequentially from the inside to the outside of the venting channel.

[0006] The battery explosion-proof bag with venting function according to the present utility model has at least the following beneficial effects: when the battery inside the bag spontaneously combusts or explodes, the smoke can be discharged from the venting valve, reducing the pressure inside the bag, reducing the occurrence of bag bursting, improving safety and reliability, and the fireproof component and the filter component can respectively block the flame from escaping from the venting valve and filter the discharged smoke, further improving safety.

[0007] According to some embodiments of the present invention, the exhaust valve includes a valve cover and an inner plug. The valve cover is detachably installed to the inner plug. The valve cover is provided with a first exhaust hole, and the inner plug is provided with a second exhaust hole. The first exhaust hole and the second exhaust hole correspond to each other to form the exhaust channel. The fireproof component and the filter component are disposed between the valve cover and the inner plug.

[0008] According to some embodiments of the present invention, the inner plug is provided with an installation structure capable of mounting and fixing the exhaust valve to the bag body.

[0009] According to some embodiments of the present invention, the inner plug includes a main body and a first locking part located below the main body. The first locking part has a gap with the main body to form a first locking groove. The bag body has an installation hole corresponding to the exhaust valve, and the edge of the installation hole can be locked into the first locking groove.

[0010] According to some embodiments of the present invention, a second slot is provided on the inner side of the valve cover, and the inner plug is provided with a second locking part that can be locked into the second slot.

[0011] According to some embodiments of this utility model, the valve cover and the inner plug are made of soft plastic, rubber, or silicone.

[0012] According to some embodiments of this utility model, the fireproof component is fireproof cotton.

[0013] According to some embodiments of this utility model, the filter component is filter cotton.

[0014] According to some embodiments of the present invention, the sealing mechanism includes a flap, which is disposed at one edge of the opening of the inner cavity. The flap can be flipped to be close to the bag body to close the opening of the inner cavity, and a detachable connection structure is provided between the flap and the bag body.

[0015] According to some embodiments of the present invention, the sealing mechanism includes a zipper mechanism disposed in the opening of the inner cavity. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the structure of a battery explosion-proof bag with venting function according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the exhaust valve according to an embodiment of the present utility model;

[0019] Figure 3 This is an exploded view of the exhaust valve according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the exhaust valve during installation according to an embodiment of the present invention;

[0021] Figure 5This is a cross-sectional structural diagram of the exhaust valve in an embodiment of the present invention when disassembled.

[0022] Figure label:

[0023] Bag body 100, Velcro mechanism 110, zipper mechanism 120;

[0024] Flip cover 200;

[0025] Exhaust valve 300, valve cover 310, first exhaust hole 311, second slot 312, inner plug 320, second exhaust hole 321, main body 322, first mounting part 323, first slot 324, second mounting part 325, support structure 326, fireproof cotton 330, filter cotton 340. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] The following is for reference. Figures 1 to 5 This invention describes a battery explosion-proof bag with venting function according to an embodiment of the present invention.

[0031] like Figures 1 to 5As shown, the battery explosion-proof bag with venting function according to an embodiment of the present utility model includes a bag body 100 and an venting valve 300. The bag body 100 is provided with an inner cavity for placing batteries, and the inner cavity has an opening with a sealing mechanism. The venting valve 300 is provided in the bag body 100 and has an venting channel connecting the inner cavity and the outside of the bag body 100. Fireproof components and filter components are arranged sequentially from the inside to the outside of the venting channel.

[0032] When the battery inside the bag 100 spontaneously combusts or explodes, the smoke can be discharged from the exhaust valve 300, reducing the pressure inside the bag 100, reducing the possibility of the bag 100 bursting, improving safety and reliability. In addition, the fireproof component and the filter component can respectively block the flame from escaping from the exhaust valve 300 and filter the discharged smoke, further improving safety.

[0033] like Figures 3 to 5 As shown, in some embodiments of this utility model, the fireproof component is fireproof cotton 330, which has a flame-retardant effect and can effectively prevent flames from escaping from the exhaust valve 300.

[0034] It is understood that in some embodiments of this utility model, the fireproof component may also be fireproof cloth, etc., which will not be described in detail here.

[0035] like Figures 3 to 5 As shown, in some embodiments of this utility model, the filter component is filter cotton 340, which can block foreign objects such as particles in the exhaust gas, thereby reducing the discharge of harmful substances.

[0036] It is understood that, in some embodiments of this utility model, the filter assembly may also be a filter layer of activated carbon or a mixture of multiple filter media (such as a mixture of activated carbon and filter cotton) to achieve different filtration effects.

[0037] In some embodiments of this utility model, the sealing mechanism includes a flap 200, which is disposed at one edge of the opening of the inner cavity. The flap 200 can be flipped to be close to the bag body 100 to close the opening of the inner cavity. A detachable connection structure is provided between the flap 200 and the bag body 100, thereby facilitating the opening of the inner cavity to be opened or closed.

[0038] like Figure 1 As shown, in some embodiments of this utility model, the detachable connection structure is a hook and loop fastener mechanism 110. The hook side and the loop side of the hook and loop fastener mechanism 110 are respectively provided on the bag body 100 and the flap 200, so as to conveniently open or close the opening of the inner cavity.

[0039] It is understood that in some embodiments of this utility model, the detachable connection structure may also be a magnetic attraction mechanism, a button mechanism, etc., which will not be described in detail here.

[0040] like Figure 1 As shown, in some embodiments of this utility model, the sealing mechanism includes a zipper mechanism 120 with an opening in the inner cavity, through which the inner cavity can be easily opened or closed.

[0041] In some embodiments of this utility model, the bag body 100 includes a fireproof layer disposed on the inner side of the inner cavity and an explosion-proof layer disposed on the outer side or in the interlayer of the bag body 100, so that the bag body 100 has the functions of explosion-proof and fireproof.

[0042] Specifically, the fireproof layer can be a fireproof cotton layer, a fireproof cloth layer, etc., and the explosion-proof layer can be a fiber cloth layer, a woven cloth layer, etc.

[0043] It is understood that in some embodiments of this utility model, the bag body 100 may also include a heat insulation layer, which is disposed between the fireproof layer and the explosion-proof layer, or the explosion-proof layer is disposed between the fireproof layer and the heat insulation layer.

[0044] like Figures 3 to 5 As shown, in some embodiments of this utility model, the exhaust valve 300 includes a valve cover 310 and an inner plug 320. The valve cover 310 is detachably installed to the inner plug 320. The valve cover 310 is provided with a first exhaust hole 311, and the inner plug 320 is provided with a second exhaust hole 321. The first exhaust hole 311 and the second exhaust hole 321 correspond to each other to form an exhaust channel. The fireproof component and the filter component are disposed between the valve cover 310 and the inner plug 320 to realize the exhaust function of the exhaust valve 300. At the same time, the detachable valve cover 310 and the inner plug 320 allow for easy replacement of the fireproof component and the filter component.

[0045] In some embodiments of this utility model, the inner plug 320 is provided with a recess that can accommodate the fireproof cotton 330, preventing the fireproof cotton 330 from shifting and improving reliability.

[0046] In some embodiments of this utility model, fireproof cotton 330 and / or filter cotton 340 are clamped between valve cover 310 and inner plug 320, making them less prone to displacement and improving reliability.

[0047] In some embodiments of this utility model, a support structure 326 is provided at the second vent 321 to support the fireproof cotton 330, so that the fireproof cotton 330 maintains a good barrier state.

[0048] It is understood that in some embodiments of this utility model, the valve cover 310 and the inner plug 320 may be configured as an integral structure, which will not be described in detail here.

[0049] In some embodiments of this utility model, the inner plug 320 is provided with an installation structure that can install and fix the exhaust valve 300 to the bag body 100. That is, the inner plug 320 can be fixedly installed to the bag body 100 through the installation structure. When the fireproof component and the filter component need to be replaced, the valve cover 310 can be removed for replacement.

[0050] It is understood that in some embodiments of this utility model, the valve cover 310 may also be fixed to the bag body 100, which will not be described in detail here.

[0051] In some embodiments of this utility model, the mounting structure is a detachable mounting structure.

[0052] like Figure 4 , Figure 5 As shown, in some embodiments of this utility model, the inner plug 320 includes a main body 322 and a first locking part 323 located below the main body 322. The first locking part 323 has a gap with the main body 322 to form a first locking groove 324. The bag body 100 has an installation hole corresponding to the exhaust valve 300. The edge of the installation hole can be locked into the first locking groove 324, thereby forming an installation structure that can install the inner plug 320 to the bag body 100.

[0053] It is understood that in some embodiments of this utility model, the mounting structure may also be an adhesive structure, a stitching structure, a welding structure, etc., which will not be described in detail here.

[0054] like Figure 4 , Figure 5 As shown, in some embodiments of this utility model, a second slot 312 is provided on the inner side of the valve cover 310, and a second mounting part 325 is provided on the inner plug 320 that can be inserted into the second slot 312, thereby assembling the inner plug 320 and the valve cover 310.

[0055] It is understood that in some embodiments of this utility model, the inner plug 320 and the valve cover 310 can also be detachably assembled by threaded connection.

[0056] In some embodiments of this utility model, the valve cover 310 and the inner plug 320 are made of soft plastic, rubber or silicone to facilitate the fitting of the inner plug 320 with the bag body 100 and the fitting of the inner plug 320 with the valve cover 310.

[0057] Of course, this invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A battery explosion-proof bag with venting function, characterized in that, include: The bag body (100) is provided with an inner cavity for placing batteries, the inner cavity has an opening, and the opening is provided with a sealing mechanism; An exhaust valve (300) is provided on the bag body (100). The exhaust valve (300) is provided with an exhaust channel connecting the inner cavity and the outside of the bag body (100). A fireproof component and a filter component are arranged sequentially from the inside to the outside of the exhaust channel.

2. The battery explosion-proof bag with venting function according to claim 1, characterized in that, The exhaust valve (300) includes a valve cover (310) and an inner plug (320). The valve cover (310) is detachably installed on the inner plug (320). The valve cover (310) is provided with a first exhaust hole (311), and the inner plug (320) is provided with a second exhaust hole (321). The first exhaust hole (311) and the second exhaust hole (321) correspond to each other to form the exhaust channel. The fireproof component and the filter component are disposed between the valve cover (310) and the inner plug (320).

3. The battery explosion-proof bag with venting function according to claim 2, characterized in that, The inner plug (320) is provided with an installation structure that enables the exhaust valve (300) to be installed and fixed to the bag body (100).

4. The battery explosion-proof bag with venting function according to claim 3, characterized in that, The inner plug (320) includes a main body (322) and a first locking part (323) located below the main body (322). The first locking part (323) has a gap with the main body (322) to form a first locking groove (324). The bag body (100) has a mounting hole corresponding to the exhaust valve (300), and the edge of the mounting hole can be locked into the first locking groove (324).

5. The battery explosion-proof bag with venting function according to claim 2, characterized in that, The valve cover (310) has a second slot (312) on its inner side, and the inner plug (320) has a second mounting part (325) that can be engaged into the second slot (312).

6. The battery explosion-proof bag with venting function according to claim 4 or 5, characterized in that, The valve cover (310) and the inner plug (320) are made of soft plastic, rubber or silicone.

7. The battery explosion-proof bag with venting function according to claim 1 or 2, characterized in that, The fireproof component is fireproof cotton (330).

8. The battery explosion-proof bag with venting function according to claim 1 or 2, characterized in that, The filter assembly is filter cotton (340).

9. The battery explosion-proof bag with venting function according to claim 1, characterized in that, The sealing mechanism includes a flap (200) disposed at one edge of the opening of the inner cavity. The flap (200) can be flipped to fit close to the bag body (100) to close the opening of the inner cavity. A detachable connection structure is provided between the flap (200) and the bag body (100).

10. The battery explosion-proof bag with venting function according to claim 1, characterized in that, The sealing mechanism includes a zipper mechanism (120) disposed at the opening in the inner cavity.

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