Fire extinguishing device and vehicle

Abstract

The fire extinguishing device comprises a fire extinguishing body, a spraying pipe, a spraying head and a first adjusting mechanism, the fire extinguishing body comprises a barrel and a barrel cover which are connected with each other, the barrel is provided with a containing cavity and an opening communicating with the containing cavity, and the opening is covered with the barrel cover. The spraying pipe is provided with a first pipe opening and a second pipe opening which are opposite in the extending direction of the spraying pipe, and the first pipe opening is connected to the barrel cover so that the spraying pipe can communicate with the containing cavity. The nozzle is provided with a cavity, an air inlet hole, a first nozzle and a second nozzle, the first nozzle and the second nozzle are opposite in the extending direction of the nozzle, the air inlet hole, the first nozzle and the second nozzle are communicated with the cavity, and the first nozzle is connected to the second pipe opening so that the cavity can be communicated with the spray pipe. The first adjusting mechanism is arranged on the spray head and is configured to adjust the opening degree of the air inlet hole. The universality of the fire extinguishing device can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of fire extinguishing devices, and more specifically, to a fire extinguishing device and a vehicle. Background Art

[0002] Fire extinguishing devices contain fire extinguishing media for extinguishing fires. When facing different types of fire situations, it is necessary to spray out fire extinguishing media with different composition ratios to achieve better fire extinguishing effects. However, fire extinguishing devices are often fixed structures and cannot meet the needs of adjusting the composition ratio of fire extinguishing media.

[0003] Therefore, how to improve the versatility of fire extinguishing devices has become a problem that needs to be solved urgently. Utility Model Content

[0004] In view of the above problems, the present application provides a fire extinguishing device and a vehicle, which are conducive to improving the versatility of the fire extinguishing device.

[0005] In the first aspect, the present application provides a fire extinguishing device, comprising: a fire extinguishing body, comprising a cylinder and a cylinder cover connected to each other, the cylinder having a accommodating cavity and an opening connected to the accommodating cavity, and the cylinder cover covering the opening; a nozzle having a first pipe opening and a second pipe opening opposite to each other along its own extension direction, the first pipe opening being connected to the cylinder cover so that the nozzle is connected to the accommodating cavity; a nozzle having a cavity, an air inlet, and a first nozzle and a second nozzle opposite to each other along its own extension direction, the air inlet, the first nozzle and the second nozzle being connected to the cavity respectively, the first nozzle being connected to the second pipe opening so that the cavity is connected to the nozzle; a first adjustment mechanism being arranged on the nozzle and configured to adjust the opening of the air inlet.

[0006] In some embodiments of the first aspect, when the fire extinguishing device is in specific use, the fire extinguishing medium contained in the accommodating cavity can enter the nozzle through the nozzle pipe and be ejected from the second nozzle of the nozzle. By providing a first adjusting mechanism on the nozzle, the first adjusting mechanism is used to adjust the opening of the air inlet, so that the amount of gas in the external environment that enters the cavity through the air inlet and reacts with the fire extinguishing medium can be adjusted according to actual conditions, so as to adjust the proportion of components in the fire extinguishing medium ejected from the second nozzle, so as to achieve a better fire extinguishing effect, which is beneficial to improving the versatility of the fire extinguishing device.

[0007] In some embodiments, the minimum distance between the air inlet and the first nozzle is smaller than the minimum distance between the air inlet and the second nozzle. By setting in this way, the time for the fire extinguishing medium and the gas in the cavity to react can be increased.

[0008] In some embodiments, the number of the air inlet holes is at least two, and the at least two air inlet holes are spaced apart. This arrangement is helpful to increase the air intake into the cavity, so as to better adjust the ratio of different components in the fire extinguishing medium.

[0009] In some embodiments, the first adjustment mechanism includes a first shielding member, which is movably connected to the nozzle. The first shielding member is moved or rotated relative to the nozzle, and the first shielding member can shield the air inlet to adjust the area of ​​the air inlet connected to the external environment.

[0010] In some embodiments, one of the first shielding member and the nozzle is sleeved on the other, and the first shielding member is rotatably connected to the nozzle. The first shielding member is rotated relative to the nozzle, and the first shielding member can shield the air inlet to adjust the area of ​​the air inlet connected to the external environment.

[0011] In some embodiments, the first shielding member is provided with a plurality of through holes distributed at intervals, the area of ​​each through hole of a certain number is smaller than the area of ​​the air inlet hole, and the area of ​​each through hole of another number is greater than or equal to the area of ​​the air inlet hole. By adjusting the relative position relationship between the air inlet hole and different through holes, the area of ​​the air inlet hole communicating with the external environment can be adjusted.

[0012] In some embodiments, the fire extinguishing device further comprises a second regulating mechanism, which is disposed on either the nozzle or the nozzle and is configured to adjust the area of ​​the second nozzle communicating with the first nozzle. By arranging the second regulating mechanism to adjust the area of ​​the second nozzle communicating with the first nozzle, the spray distance of the fire extinguishing medium sprayed from the second nozzle can be adjusted.

[0013] In some embodiments, the second adjustment mechanism includes a second shielding member, which is movably connected to either the nozzle or the nozzle. By moving or rotating the second shielding member relative to the nozzle, the area of ​​the second nozzle communicating with the first nozzle can be adjusted.

[0014] In some embodiments, the first pipe opening is plugged into the cylinder cover, which facilitates the assembly of the fire extinguishing device.

[0015] In some embodiments, the fire extinguishing device further includes a protective cover, which is sleeved on the outer periphery of the nozzle and protrudes from the second nozzle along the extension direction of the nozzle, and / or the fire extinguishing device further includes a handle provided on the nozzle, and the handle is spaced apart from the air inlet. This arrangement is conducive to improving the protection of the operator.

[0016] In some embodiments, the fire extinguishing device further comprises a switch handle and a locking member, wherein the switch handle is connected to the cylinder cover, and the locking member is movably connected to the switch handle to fix the switch handle. This arrangement is helpful in reducing the difficulty of the operator's operation.

[0017] In some embodiments, the switch handle is provided with a limit portion and can be switched between an open state and a closed state; in the open state, the locking member is engaged with the limit portion, and in the closed state, the locking member is separated from the limit portion. This arrangement is conducive to ensuring the effectiveness of the locking function of the locking member.

[0018] In some embodiments, the switch handle includes a first pressure handle and a second pressure handle that are hingedly arranged, and the limiting portion includes a first limiting portion arranged on the first pressure handle and a second limiting portion arranged on the second pressure handle; in the open state, there is a first minimum distance between one end of the first pressure handle facing away from the cylinder cover and one end of the second pressure handle facing away from the cylinder cover, and the locking member is clamped on the first limiting portion and the second limiting portion; in the closed state, there is a second minimum distance between one end of the first pressure handle facing away from the cylinder cover and one end of the second pressure handle facing away from the cylinder cover, and the second minimum distance is greater than the first minimum distance. By setting in this way, it is convenient to operate the switch handle.

[0019] In some embodiments, there are two or more first limit portions, which are spaced apart along the extension direction of the first pressure handle; and / or there are two or more second limit portions, which are spaced apart along the extension direction of the second pressure handle. This arrangement is conducive to improving the flexibility of use.

[0020] In some embodiments, the locking member is a locking ring, and / or the limiting portion is a groove. This arrangement is helpful to improve the flexibility of use of the fire extinguishing device.

[0021] In some embodiments, the fire extinguishing device further comprises a base, which is arranged on a side of the cylinder body facing away from the cylinder cover along its own height direction. This arrangement is conducive to reducing costs.

[0022] In some embodiments, the base and the cylinder are an integrated structure. By arranging in this way, the assembly time of the fire extinguishing device can be saved.

[0023] In some embodiments, the fire extinguishing device further comprises a hanging member connected to the cylinder. Arrangement in this manner is conducive to reducing costs.

[0024] In a second aspect, the present application also provides a vehicle, comprising a fire extinguishing device provided according to any embodiment of the first aspect.

[0025] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of a fire extinguishing device provided in some embodiments of the present application;

[0028] Figure 2 A schematic diagram of the structure of a nozzle in a fire extinguishing device provided in some embodiments of the present application;

[0029] Figure 3 A schematic diagram of the structure of a fire extinguishing device provided in some other embodiments of the present application;

[0030] Figure 4 A schematic diagram of the structure of a fire extinguishing device provided in some other embodiments of the present application;

[0031] Figure 5 for Figure 4 Enlarged view at Q;

[0032] Figure 6 A schematic diagram of the structure of a fire extinguishing device provided in some further embodiments of the present application.

[0033] The reference numerals of the specific embodiments are as follows:

[0034] 10. Fire extinguishing body; 11. Cylinder; 101. Accommodating chamber; 12. Cylinder cover;

[0035] 20, nozzle; 201, first nozzle; 202, second nozzle;

[0036] 30. Nozzle; 301. First nozzle; 302. Second nozzle; 303. Cavity; 304. Air inlet;

[0037] 40. first adjustment mechanism; 41. first shielding member; 401. through hole;

[0038] 50, second adjustment mechanism; 60, protective cover; 601, first port; 602, second port; 603, protective cavity; 70, handheld part;

[0039] 80. switch handle; 81. first pressure handle; 82. second pressure handle; 801. limit portion; 8011. first limit portion; 8012. second limit portion;

[0040] 91. Locking member; 92. Base; 93. Suspension member;

[0041] X-height direction. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0043] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as those commonly understood by technicians in the technical field of this application; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0044] Reference to "embodiment" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this application generally indicates that the associated objects before and after are in an "or" relationship.

[0047] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary descriptions and should not constitute any limitation to the present application.

[0048] The term “plurality” used in this application refers to two or more (including two).

[0049] Fire extinguishing media is placed in the fire extinguishing device for extinguishing fires. When facing different types of fire situations, it is necessary to spray fire extinguishing media with different composition ratios to extinguish the fire in order to achieve a better fire extinguishing effect. However, the fire extinguishing device in the related art has a fixed nozzle for spraying the fire extinguishing media, which cannot meet the demand for adjusting the composition ratio of the fire extinguishing media.

[0050] Based on the above technical problems, an embodiment of the present application provides a fire extinguishing device, including a fire extinguishing body, a nozzle, a nozzle and a first adjustment mechanism. The fire extinguishing body includes a cylinder and a cylinder cover connected to each other, the cylinder has a accommodating cavity and an opening connected to the accommodating cavity, and the cylinder cover covers the opening. The nozzle has a first pipe mouth and a second pipe mouth opposite to each other along its own extension direction, and the first pipe mouth is connected to the cylinder cover so that the nozzle is connected to the accommodating cavity. The nozzle has a cavity, an air inlet, and a first nozzle and a second nozzle opposite to each other along its own extension direction, the air inlet, the first nozzle and the second nozzle are respectively connected to the cavity, and the first nozzle is connected to the second pipe mouth so that the cavity is connected to the nozzle. The first adjustment mechanism is arranged on the nozzle, and is configured to adjust the opening of the air inlet.

[0051] By providing a first adjustment mechanism on the nozzle, the first adjustment mechanism is used to adjust the opening of the air inlet hole, so that the amount of gas in the external environment that enters the cavity through the air inlet hole to react with the fire extinguishing medium can be adjusted according to actual conditions, so as to adjust the component ratio in the fire extinguishing medium sprayed from the second nozzle, so as to achieve a better fire extinguishing effect, which is beneficial to improving the versatility of the fire extinguishing device.

[0052] The fire extinguishing device provided in the embodiment of the present application can be produced and sold separately as an independent component. The fire extinguishing device can also be used in a vehicle and be a part of a vehicle. Of course, the fire extinguishing device provided in the embodiment of the present application can also be applicable to various equipment that needs to be equipped with fire-fighting equipment, such as ships, spacecraft, etc.

[0053] In the embodiment of the present application, the fire extinguishing device may be a portable fire extinguisher or a trolley-type fire extinguisher.

[0054] Please also read Figures 1 to 3The present application provides a fire extinguishing device, comprising a fire extinguishing body 10, a nozzle 20, a nozzle 30 and a first adjusting mechanism 40. The fire extinguishing body 10 comprises a cylinder 11 and a cylinder cover 12 connected to each other, the cylinder 11 has a receiving cavity 101 and an opening connected to the receiving cavity 101, and the cylinder cover 12 covers the opening. The nozzle 20 has a first nozzle 201 and a second nozzle 202 opposite to each other along its own extension direction, and the first nozzle 201 is connected to the cylinder cover 12 so that the nozzle 20 is connected to the receiving cavity 101. The nozzle 30 has a cavity 303, an air inlet 304, and a first nozzle 301 and a second nozzle 302 opposite to each other along its own extension direction, the air inlet 304, the first nozzle 301 and the second nozzle 302 are respectively connected to the cavity 303, and the first nozzle 301 is connected to the second nozzle 202 so that the cavity 303 is connected to the nozzle 20. The first adjustment mechanism 40 is disposed on the nozzle 30 and is configured to adjust the opening of the air inlet 304 .

[0055] The cylinder 11 is used to contain the fire extinguishing medium, and the cylinder cover 12 is connected to the cylinder 11 and covers the opening to make the accommodating chamber 101 a sealed environment. Optionally, the opening is provided on one side of the accommodating chamber 101 along the height direction X, and the cylinder cover 12 is connected to one side of the cylinder 11 along the height direction X.

[0056] The shape of the cylinder 11 can be, but is not limited to, any one of a rectangular cylinder, a cylindrical cylinder, and a trapezoidal cylinder.

[0057] The nozzle 20 is connected between the cylinder cover 12 and the nozzle 30 for connecting the cylinder 11 and the nozzle 30 to introduce the fire extinguishing medium in the accommodating cavity 101 into the cavity 303 of the nozzle 30. The nozzle 30 is used to spray the fire extinguishing medium.

[0058] The first adjustment mechanism 40 is arranged on the nozzle 30 and is configured to adjust the opening of the air inlet 304. It can be understood that the first adjustment mechanism 40 can cover at least a part of the air inlet 304 to adjust the size of the air inlet 304 connecting the external environment and the cavity 303. The opening of the air inlet 304 is reduced, that is, the size of the connection between the external environment and the cavity 303 is reduced. At this time, the amount of gas in the external environment that can flow into the cavity 303 through the air inlet 304 per unit time is also reduced.

[0059] The accommodating chamber 101 contains a fire extinguishing medium. When the fire extinguishing device is in use, the nozzle 20 will guide the fire extinguishing medium from the accommodating chamber 101. When the fire extinguishing medium enters the cavity 303 of the nozzle 30 through the cylinder cover 12, the first nozzle 201, the nozzle 20, and the first nozzle 301 in sequence, the gas in the external environment will enter the cavity 303 through the air inlet 304 under the action of the pressure difference to react with the fire extinguishing medium in the cavity 303, which can increase the proportion of foam in the fire extinguishing medium, so that the second nozzle 302 can spray a fire extinguishing medium with a higher foaming ratio. The foaming ratio can be understood as the ratio of foam to liquid in the fire extinguishing medium. Among them, the external environment refers to the outside of the cavity 303.

[0060] It is understandable that when it is necessary to extinguish an open flame, the extinguishing medium should be impacted with liquid water to achieve a better extinguishing effect, that is, the proportion of foam in the extinguishing medium should be reduced and the proportion of liquid water should be increased. When there is no open flame, it is necessary to use foam as the main method to cover it to isolate the air and cool the burning object, that is, the proportion of foam in the extinguishing medium should be increased and the proportion of liquid water should be reduced.

[0061] Therefore, by setting the first regulating mechanism 40 to regulate the amount of gas in the external environment entering the cavity 303 through the air inlet 304 to react with the fire extinguishing medium, it is convenient to adjust the proportion of foam in the fire extinguishing medium, so that the fire extinguishing device can be applied to a variety of scenarios.

[0062] Some embodiments of the present application provide a fire extinguishing device. When the fire extinguishing device is used, the fire extinguishing medium contained in the accommodating cavity 101 can enter the nozzle 30 through the nozzle 20 and be sprayed out from the second nozzle 302 of the nozzle 30. By providing a first adjusting mechanism 40 on the nozzle 30, the first adjusting mechanism 40 is used to adjust the opening of the air inlet 304, so that the amount of gas in the external environment that enters the cavity 303 through the air inlet 304 to react with the fire extinguishing medium can be adjusted according to actual conditions, so as to adjust the proportion of components in the fire extinguishing medium sprayed from the second nozzle 302, so as to achieve a better fire extinguishing effect, which is beneficial to improving the versatility of the fire extinguishing device.

[0063] The fire extinguishing device in the related art can achieve the function of being applicable to various fire extinguishing scenarios by replacing the nozzles. However, due to the urgency and uncertainty of fire, there is not enough time and conditions to replace the nozzles after an actual fire occurs.

[0064] Therefore, through the above-mentioned configuration, the fire extinguishing device provided in the embodiment of the present application can adjust the form of the sprayed fire extinguishing medium by adjusting the first adjustment mechanism 40 according to different fire situations, which is easy to operate and can be applicable to a variety of fire extinguishing scenarios without replacing different nozzles, thereby saving time and achieving better fire extinguishing effects.

[0065] Optionally, the shape of the air inlet hole 304 may include but is not limited to any one of a circular hole, a polygonal hole, and an elliptical hole.

[0066] Optionally, the nozzle 20 may be configured as a flexible tube, and the sizes of the first nozzle 201 and the second nozzle 202 may be the same or different.

[0067] As an example, the first nozzle 201 and the second nozzle 202 have the same size.

[0068] Optionally, the nozzle 30 may be configured as a rigid structure, and the sizes of the first nozzle 301 and the second nozzle 302 may be the same or different.

[0069] As an example, the size of the first nozzle 301 is larger than the size of the second nozzle 302 .

[0070] Optionally, the first adjustment mechanism 40 can be detachably connected to the nozzle 30 to facilitate processing and manufacturing.

[0071] In some optional embodiments, the air inlet hole 304 is arranged in a direction intersecting with the extension direction of the spray head 30 .

[0072] It can be understood that the opening direction of the air inlet 304 is different from the opening directions of the first nozzle 301 and the second nozzle 302, so that the fire extinguishing medium can flow from the first nozzle 301 to the second nozzle 302 and be ejected from the second nozzle 302. During this process, the pressure difference in the cavity 303 becomes smaller, so that the gas from the external environment can flow into the cavity 303 through the air inlet 304.

[0073] By configuring in the above manner, it is possible to prevent the air inlet 304 from interfering with the first nozzle 301 or the second nozzle 302, thereby making the design of the fire extinguishing device more reasonable.

[0074] In some optional embodiments, the second nozzle 202 is detachably connected to the first nozzle 301 .

[0075] It can be understood that the second nozzle 202 of the nozzle 20 is detachably connected to the first nozzle 301 of the nozzle head 30 .

[0076] A fire extinguishing device provided in some embodiments of the present application is arranged in the above manner to facilitate maintenance or replacement of the nozzle 30 or the nozzle 20.

[0077] Optionally, the nozzle 20 is threadedly connected to the nozzle head 30. One of the second nozzle 202 and the first nozzle 301 is provided with an external thread, and the other is provided with a thread, so that the two are screwed together to achieve a threaded connection.

[0078] Optionally, the nozzle 20 is engaged with the nozzle head 30. One of the second nozzle 202 and the first nozzle 301 is provided with a protrusion, and the other is provided with a groove, and the protrusion is engaged with the groove.

[0079] In some optional embodiments, the minimum distance between the air inlet hole 304 and the first nozzle 301 is smaller than the minimum distance between the air inlet hole 304 and the second nozzle 302 .

[0080] It can be understood that the air inlet 304 is arranged closer to the first nozzle 301 than the second nozzle 302 .

[0081] A fire extinguishing device provided in some embodiments of the present application can increase the time that the fire extinguishing medium in the cavity 303 can react with the gas through the above-mentioned configuration, so as to ensure the effectiveness of the fire extinguishing device in spraying fire extinguishing media with different component ratios.

[0082] In some optional embodiments, the number of the air inlet holes 304 is at least two, and the at least two air inlet holes 304 are distributed at intervals.

[0083] The number of the air inlet holes 304 may be two, three, or even more.

[0084] Optionally, at least two air inlet holes 304 may be spaced apart and distributed along the circumference of the spray head 30 .

[0085] A fire extinguishing device provided in some embodiments of the present application can ensure the effectiveness of gas entering the cavity 303 through the air inlet 304 by being arranged in the above manner, and can also increase the amount of gas entering the cavity 303 through the air inlet 304, so as to better adjust the proportion of different components in the fire extinguishing medium, so that the fire extinguishing device can spray fire extinguishing media with different composition ratios according to the type of fire, so as to improve the fire extinguishing effect.

[0086] See also Figure 1 and Figure 2 In some optional embodiments, the first adjustment mechanism 40 includes a first shielding member 41 , and the first shielding member 41 is movably connected to the nozzle 30 .

[0087] In actual application, the first shielding member 41 can be moved or rotated relative to the nozzle 30 so as to block at least a portion of the air inlet 304 to control the area of ​​the air inlet 304 communicating with the external environment.

[0088] It can be understood that, the less the first shielding member 41 blocks the air inlet hole 304, the more gas in the external environment enters the cavity 303 through the air inlet hole 304, and the higher the proportion of foam in the fire extinguishing medium in the cavity 303; correspondingly, the more the first shielding member 41 blocks the air inlet hole 304, the less gas in the external environment enters the cavity 303 through the air inlet hole 304, and the higher the proportion of liquid water in the fire extinguishing medium in the cavity 303.

[0089] A fire extinguishing device provided in some embodiments of the present application is arranged in the above manner, and the first shielding member 41 can be moved or rotated relative to the nozzle 30. The first shielding member 41 can block at least a portion of the air inlet 304 to adjust the area of ​​the air inlet 304 connected to the external environment, so as to adjust the ratio of different components of the fire extinguishing medium in the cavity 303, which is beneficial to improving the versatility of the fire extinguishing device. Moreover, the fire extinguishing device can be adapted to different types of fire situations by only moving or rotating the first shielding member 41. The structure is simple and easy to operate, which is beneficial to improving operating efficiency.

[0090] In some embodiments, the first shielding member 41 can be configured to be connected to the nozzle 30. In this structure, the first shielding member 41 can be rotated relative to the nozzle 30 so that the first shielding member 41 shields at least part of the air inlet 304 or is isolated from the air inlet 304.

[0091] In other embodiments, the first shielding member 41 can be configured to be movably connected to the nozzle 30. Under this structure, the first shielding member 41 can be moved relative to the nozzle 30 so that the first shielding member 41 shields at least part of the air inlet 304 or is isolated from the air inlet 304.

[0092] Optionally, the first adjusting mechanism 40 further includes a first moving member, and the first shielding member 41 is movably connected to the nozzle 30 via the first moving member.

[0093] Optionally, the first moving member may be configured as a track connected to the nozzle 30 , or may be configured as a gear or rack structure connected to the nozzle 30 .

[0094] like Figure 2 As shown, in some optional embodiments, one of the first shielding member 41 and the nozzle 30 is sleeved on the other, and the first shielding member 41 is rotatably connected to the nozzle 30 .

[0095] A portion of the first shielding member 41 may be disposed inside the cavity 303, and another portion may extend out of the cavity 303. During specific operation, the portion of the first shielding member 41 outside the cavity 303 may be rotated to cause the portion of the first shielding member 41 located in the cavity 303 to rotate accordingly.

[0096] Of course, the first shielding member 41 may also be entirely disposed outside the cavity 303 .

[0097] Some embodiments of the present application provide a fire extinguishing device, which is configured in the above manner, and can rotate the first shielding member 41 relative to the nozzle 30. The first shielding member 41 can shield the air inlet 304 to adjust the area of ​​the air inlet 304 connected to the external environment.

[0098] like Figure 2 As shown, in some optional embodiments, the first shielding member 41 is provided with a plurality of spaced-apart through holes 401 , an area of ​​a portion of the through holes 401 is smaller than an area of ​​the air inlet hole 304 , and an area of ​​another portion of the through holes 401 is greater than or equal to an area of ​​the air inlet hole 304 .

[0099] Exemplarily, when the first shielding member 41 is annular and is sleeved and connected to the nozzle 30, the multiple through holes 401 on the first shielding member 41 can be distributed at intervals along the circumference of the nozzle 30, so that when the first shielding member 41 rotates relative to the nozzle 30, a certain through hole 401 can be arranged opposite to the air inlet hole 304. When the through hole 401 with a smaller area than the air inlet hole 304 is opposite to the air inlet hole 304, the area of ​​the air inlet hole 304 connecting with the external environment can be reduced. When the through hole 401 with a larger area than the air inlet hole 304 or the same area as the air inlet hole 304 is opposite to the air inlet hole 304, the area of ​​the small air inlet hole 304 connecting with the external environment will not be changed.

[0100] As an example, a portion of the through holes 401 having an area smaller than the air inlet hole 304 are respectively the first holes, and a portion of the through holes 401 having an area larger than or the same as the air inlet hole 304 are respectively the second holes, and the first holes and the second holes are alternately arranged along the circumference of the nozzle 30.

[0101] Optionally, the areas of a portion of the through holes 401 that are smaller than the area of ​​the air inlet hole 304 are all different, so that the relative arrangement of the corresponding through holes 401 and the air inlet hole 304 can be adjusted according to needs.

[0102] A fire extinguishing device provided in some embodiments of the present application is arranged in the above manner, and the first shielding member 41 can be rotated relative to the nozzle 30, and a certain through hole 401 and the air inlet 304 can be arranged relative to each other according to needs to adjust the area of ​​the air inlet 304 connected to the external environment.

[0103] In some optional embodiments, the through hole 401 matches the shape of the air inlet hole 304 .

[0104] By setting in the above manner, the area of ​​the through hole 401 can be calculated according to the area of ​​the air inlet 304 that is connected to the external environment. When facing different types of fires, the corresponding through hole 401 can be quickly selected to be opposite to the air inlet 304, which is conducive to improving the accuracy of adjusting the proportion of different components in the fire extinguishing medium.

[0105] As an example, the through hole 401 and the air inlet hole 304 may both be configured to be circular.

[0106] like Figure 1 As shown, in some optional embodiments, the fire extinguishing device further includes a second adjusting mechanism 50 , which is disposed at either the nozzle 20 or the nozzle 30 and is configured to adjust the area of ​​communication between the second nozzle 202 and the first nozzle 301 .

[0107] It can be understood that, under the same pressure and flow conditions, the larger the area of ​​the second pipe opening 202 connected to the first nozzle 301, the shorter the distance of the fire extinguishing medium spraying, and the smaller the area of ​​the second pipe opening 202 connected to the first nozzle 301, the longer the distance of the fire extinguishing medium spraying.

[0108] Therefore, in actual application, the area of ​​the connection between the second pipe port 202 and the first nozzle 301 can be adjusted by the second adjustment mechanism 50 according to the size of the fire and the fire extinguishing requirements, so that the spray distance of the fire extinguishing medium sprayed from the second nozzle 302 can be adjusted, which is beneficial to improving the fire extinguishing efficiency and application scope of the fire extinguishing device.

[0109] Optionally, the second adjustment mechanism 50 may be disposed at the second nozzle 202 of the nozzle 20 , or may be disposed at the first nozzle 301 of the nozzle head 30 .

[0110] In some embodiments, the second adjustment mechanism 50 includes a second shielding member, and the second shielding member is movably connected to either the nozzle 20 or the nozzle head 30 .

[0111] In actual application, the second shielding member can be moved or rotated relative to either the nozzle 20 or the nozzle head 30 so as to shield at least a portion of the second nozzle 202 or the first nozzle 301 to adjust the area of ​​communication between the second nozzle 202 and the first nozzle 301 .

[0112] Some embodiments of the present application provide a fire extinguishing device, which is configured in the above manner, and can adjust the area of ​​the second nozzle 202 communicating with the first nozzle 301 by moving or rotating the second shielding member relative to the nozzle 20.

[0113] The second shielding member is movably connected to the second nozzle 202 of the nozzle 20 , and can also be movably connected to the first nozzle 301 of the nozzle head 30 .

[0114] Optionally, the second adjustment mechanism 50 further includes a second movable member, and the second shielding member is movably connected to either the nozzle 20 or the nozzle head 30 via the second movable member.

[0115] In some optional embodiments, the first pipe opening 201 is plug-connected with the cylinder cover 12 .

[0116] A fire extinguishing device provided in some embodiments of the present application is arranged in the above manner, which facilitates the assembly between the nozzle 20 and the cylinder cover 12, and is beneficial to improving the assembly efficiency of the fire extinguishing device. Moreover, when the fire extinguishing device needs to be maintained or replaced, it is also convenient to disassemble the nozzle 20, which is beneficial to improving the maintenance efficiency of the fire extinguishing device. In addition, the plug-in connection between the nozzle 20 and the cylinder cover 12 can also improve the connection strength between the two, prevent the nozzle 20 from loosening, resulting in leakage at the connection between the nozzle 20 and the cylinder cover 12, and is beneficial to improving the reliability of the fire extinguishing device.

[0117] In some embodiments, in order to further improve the sealing between the nozzle 20 and the cylinder cover 12 , a sealing gasket or a sealing ring or the like may be provided between the first nozzle 201 and the cylinder cover 12 .

[0118] In some optional embodiments, one of the first pipe opening 201 and the cylinder cover 12 is provided with a slot, and the other is provided with a protrusion, and the protrusion is engaged with the slot.

[0119] As an example, a slot is provided at the first nozzle 201 of the nozzle 20, and a protrusion is provided on the side of the cylinder cover 12 facing away from the cylinder body 11, and the two can be screwed together to make the protrusion and the slot engage with each other.

[0120] A fire extinguishing device provided in some embodiments of the present application is arranged in the above manner, which is easy to assemble and helps to improve the flexibility of the plug-in arrangement of the nozzle 20 and the cylinder cover 12.

[0121] See also Figure 4 In some optional embodiments, the fire extinguishing device further includes a protective cover 60 , which is sleeved on the outer periphery of the nozzle 30 and protrudes from the second nozzle 302 along the extension direction of the nozzle 30 .

[0122] The protective cover 60 is sleeved on the outer periphery of the nozzle 30 , which can be understood as the protective cover 60 is connected to the side of the nozzle 30 facing away from the cavity 303 , and can cover at least a portion of the nozzle 30 .

[0123] The fact that the protective cover 60 protrudes from the second nozzle opening 302 along the extension direction of the nozzle head 30 can be understood as that the side of the protective cover 60 facing away from the nozzle 20 protrudes from the second nozzle opening 302 .

[0124] A fire extinguishing device provided in some embodiments of the present application can prevent the fire extinguishing medium from dripping or splashing onto the arms or legs of an operator when being sprayed out from the second nozzle 302 by providing a protective cover 60, thereby improving the protection of the operator.

[0125] Optionally, the protective cover 60 can be set as an annular structure, and the annular structure includes but is not limited to any one of a cylindrical annular structure, a conical annular structure, and a polygonal annular structure.

[0126] Optionally, the material of the protective cover 60 can be the same as that of the nozzle 30, or can be different.

[0127] Optionally, the protective cover 60 and the nozzle 30 may be an integral structure, or the two may be provided separately.

[0128] In order to improve the effectiveness of the gas in the external environment entering the cavity 303 through the air inlet hole 304, in some embodiments, the air inlet hole 304 on the nozzle 30 is located on one side along the extension direction toward the second nozzle 302, which can be used to connect with the protective cover 60, so that the protective cover 60 does not cover the air inlet hole 304, or, in other embodiments, the protective cover 60 covers the air inlet hole 304, and there is a gap between the protective cover 60 and the air inlet hole 304.

[0129] In some optional embodiments, the protective cover 60 has a protective cavity 603 and a first port 601 and a second port 602 that are connected to the protective cavity 603 and are arranged opposite to each other. At least a portion of the nozzle 30 is accommodated in the protective cavity 603, the first port 601 is connected to the nozzle 30, and the second port 602 protrudes from the second nozzle 302 along the extension direction of the nozzle 30, and the area of ​​the first port 601 is smaller than the area of ​​the second port 602.

[0130] The nozzle 30 can be completely accommodated in the protection cavity 603 , that is, the first port 601 is connected to the first nozzle 301 of the nozzle 30 . Of course, a part of the nozzle 30 can also be accommodated in the protection cavity 603 .

[0131] The second port 602 protrudes from the second nozzle 302 and is suspended. The fire extinguishing medium sprayed from the second nozzle 302 can be sprayed from the second port 602. By setting the area of ​​the first port 601 to be smaller than the area of ​​the second port 602, it is possible to further prevent the sprayed fire extinguishing medium from splashing onto the arms or legs of the operator, thereby improving the protection of the operator. In addition, the protective cover 60 of the above structure is also convenient for assembly with the nozzle 30.

[0132] Please continue reading Figure 4In some optional embodiments, the fire extinguishing device further includes a handle 70 disposed on the nozzle 30 , and the handle 70 is spaced apart from the air inlet 304 .

[0133] When the operator uses the fire extinguishing device to extinguish a fire, the operator can hold the handle 70 to control the direction of the second nozzle 302 of the nozzle 30 so that the fire extinguishing medium sprayed from the second nozzle 302 can be directed to the place where the fire needs to be extinguished.

[0134] It is understandable that when the fire extinguishing medium enters the normal pressure external environment from the second nozzle 302 from the high-pressure containing chamber 101, its temperature will drop significantly. This process will cause the temperature of the nozzle 20 and the nozzle 30 to drop. If the operator directly holds the nozzle 30 to operate, the low-temperature nozzle will pose a risk of frostbite on the operator's hands.

[0135] Therefore, a fire extinguishing device provided in some embodiments of the present application, by providing a handle 70, can facilitate the operator to control the nozzle 30, while also preventing frostbite that may occur due to the operator directly holding the nozzle 30, thereby helping to improve the protection of the operator.

[0136] Specifically, the handle 70 may be disposed on the side of the spray head 30 to facilitate holding and controlling the direction of the spray head 30 .

[0137] Optionally, the minimum distance between the handle 70 and the first nozzle 301 is smaller than the minimum distance between the handle 70 and the second nozzle 302. In other words, the handle 70 is disposed closer to the first nozzle 301 than the second nozzle 302.

[0138] By setting in this way, the protection effect on the operator can be further improved, and the fire extinguishing medium sprayed from the second nozzle 302 can be prevented from splashing onto the operator's hands. In addition, this design also makes it easy for the operator to hold the handle 70, which is conducive to improving the convenience of operating the fire extinguishing device.

[0139] Optionally, the extending direction of the handle 70 intersects with the extending direction of the spray head 30 .

[0140] Optionally, the thermal conductivity of the handle 70 is lower than that of the nozzle 30. The handle 70 may be made of a material with low thermal conductivity, and the material of the handle 70 may include but is not limited to at least one of cotton, ceramic, and plastic to prevent the operator's hands from being frostbitten, thereby protecting the operator's safety.

[0141] In some optional embodiments, the fire extinguishing device includes a protective cover 60 and a handle 70 , and the handle 70 is disposed on a side of the protective cover 60 facing away from the spray head 30 .

[0142] Optionally, the material of the handle portion 70 and the material of the protective cover 60 may be the same or different.

[0143] In some embodiments, the handle 70 and the protective cover 60 may be an integrated structure. Such a design is conducive to improving the manufacturing efficiency and the connection strength between the two, thereby improving the reliability of the fire extinguishing device.

[0144] In other embodiments, the handle 70 and the protective cover 60 can also be provided separately. Such a design is conducive to reducing the difficulty of processing and improving the flexibility of use. The connection method between the handle 70 and the protective cover 60 can include but is not limited to one of welding, bonding, and plugging.

[0145] See also Figure 4 and Figure 5 In some optional embodiments, the fire extinguishing device further includes a switch handle 80 and a locking member 91 , the switch handle 80 is connected to the cylinder cover 12 , and the locking member 91 is movably connected to the switch handle 80 to fix the switch handle 80 .

[0146] The switch handle 80 is used to control whether the fire extinguishing medium in the accommodating chamber 101 can be led out to the nozzle 20. It can be understood that when the fire extinguishing device is not in use, the fire extinguishing medium contained in the accommodating chamber 101 will not flow into the nozzle 20 through the cylinder cover 12 and the first nozzle 201, and the switch handle 80 is in a closed state. When there is a need to extinguish a fire, the operator can control the switch handle 80 to make the fire extinguishing medium contained in the accommodating chamber 101 flow into the nozzle 20 through the cylinder cover 12 and the first nozzle 201 in sequence, and the switch handle 80 is in an open state.

[0147] The locking member 91 is movably connected to the switch handle 80 , which can be understood as the locking member 91 can be rotatably connected to the switch handle 80 , and can also be movably connected to the switch handle 80 , and the locking member 91 has a locking function to fix the switch handle 80 .

[0148] The switch handle 80 is located at different positions when in the on state and the off state.

[0149] It is understandable that when the operator controls the switch handle 80 to remain in the open state, it is necessary to apply a certain force to the switch handle 80 so that the fire extinguishing medium can be sprayed out continuously, which is quite inconvenient.

[0150] Therefore, some embodiments of the present application provide a fire extinguishing device, which is equipped with a locking member 91 to fix the position of the switch handle 80 when it is in the open state, so that the fire extinguishing device can maintain the spraying state without the operator having to press continuously to maintain pressure, thereby reducing the difficulty of the operator's operation.

[0151] Optionally, the switch handle 80 may include a press-type structure, that is, a certain pressing force is required to open it. The switch handle 80 may include one handle or two handles arranged opposite to each other.

[0152] like Figure 5 As shown, in some optional embodiments, the switch handle 80 is provided with a limit portion 801 and can be switched between an open state and a closed state. In the open state, the locking member 91 is clamped to the limit portion 801, and in the closed state, the locking member 91 is isolated from the limit portion 801.

[0153] The limiting portion 801 may be a protrusion disposed on the switch handle 80 . In the closed state, the locking member 91 is isolated from the protrusion. In the open state, the locking member 91 can be snapped onto the protrusion.

[0154] The limiting portion 801 may also be a groove body provided on the switch handle 80 . In the closed state, the locking member 91 is isolated from the groove body. In the open state, the locking member 91 can be snapped onto the groove body.

[0155] The locking member 91 and the limiting portion 801 are isolated from each other, which can be understood as the locking member 91 and the limiting portion 801 are not in contact with each other.

[0156] A fire extinguishing device provided in some embodiments of the present application is configured in the above manner, which helps to ensure the effectiveness of the locking function of the locking member 91.

[0157] Optionally, the limiting portion 801 may be integrally formed on the switch handle 80 , or may be provided separately from the switch handle 80 .

[0158] Please continue reading Figure 5 In some optional embodiments, the switch handle 80 includes a first pressure handle 81 and a second pressure handle 82 which are hingedly arranged, and the limiting portion 801 includes a first limiting portion 8011 arranged on the first pressure handle 81 and a second limiting portion 8012 arranged on the second pressure handle 82. In the open state, there is a first minimum distance between the end of the first pressure handle 81 facing away from the barrel cover 12 and the end of the second pressure handle 82 facing away from the barrel cover 12, and the locking member 91 is clamped to the first limiting portion 8011 and the second limiting portion 8012. In the closed state, there is a second minimum distance between the end of the first pressure handle 81 facing away from the barrel cover 12 and the end of the second pressure handle 82 facing away from the barrel cover 12, and the second minimum distance is greater than the first minimum distance.

[0159] A hinge portion may be provided on the side of the switch handle 80 facing the barrel cover 12 , and the first pressing handle 81 and the second pressing handle 82 are hingedly connected via the hinge portion, and the first pressing handle 81 and the second pressing handle 82 are isolated and arranged on the side facing away from the hinge portion.

[0160] The operator can hold the first pressure handle 81 and the second pressure handle 82 with their backs to one end of the cylinder cover 12, and apply pressure to them to make them move toward each other, so that the switch handle 80 is switched from the closed state to the open state. The locking member 91 can be simultaneously engaged with the first limiting portion 8011 and the second limiting portion 8012 to fix the relative positions of the first pressure handle 81 and the second pressure handle 82.

[0161] A fire extinguishing device provided in some embodiments of the present application is configured in the above manner, which makes it convenient for an operator to operate the switch handle 80 .

[0162] In some optional embodiments, more than two first limiting portions 8011 are provided, and the more than two first limiting portions 8011 are arranged at intervals along the extension direction of the first pressing handle 81 .

[0163] The locking member 91 can be engaged with one of the first limiting portions 8011 so that the switch handle 80 can be fixed at a corresponding position according to the needs of the operator.

[0164] For example, two first limiting portions 8011 are provided. When the locking member 91 is engaged with the first limiting portion 8011 close to the barrel cover 12, the switch handle 80 is in the open state, and the flow rate of the fire extinguishing medium discharged from the accommodating chamber 101 to the nozzle 20 is relatively small. When the locking member 91 is engaged with the first limiting portion 8011 facing away from the barrel cover 12, the switch handle 80 is in the open state, and the flow rate of the fire extinguishing medium discharged from the accommodating chamber 101 to the nozzle 20 is relatively large.

[0165] In some optional embodiments, more than two second limiting portions 8012 are provided, and the more than two second limiting portions 8012 are spaced apart along the extension direction of the second pressing handle 82 .

[0166] The locking member 91 can be engaged with one of the second limiting portions 8012 so that the switch handle 80 can be fixed at a corresponding position according to the needs of the operator.

[0167] For example, two second limit portions 8012 are provided. When the locking member 91 is engaged with the second limit portion 8012 close to the barrel cover 12, the switch handle 80 is in the open state, and the flow rate of the fire extinguishing medium discharged from the accommodating chamber 101 to the nozzle 20 is relatively small; when the locking member 91 is engaged with the second limit portion 8012 facing away from the barrel cover 12, the switch handle 80 is in the open state, and the flow rate of the fire extinguishing medium discharged from the accommodating chamber 101 to the nozzle 20 is relatively large.

[0168] A fire extinguishing device provided in some embodiments of the present application is configured in the above manner to help improve flexibility of use.

[0169] As an example, two first limiting portions 8011 are provided, and two second limiting portions 8012 are provided.

[0170] In some optional embodiments, the locking member 91 is a locking ring.

[0171] The locking member 91 may be configured as an annular structure sleeved on the switch handle 80 , and may be elastic or inelastic.

[0172] In some optional embodiments, the limiting portion 801 is a groove body.

[0173] By providing the limiting portion 801 with a groove body, processing is facilitated and the occupied space can be reduced.

[0174] A fire extinguishing device provided in some embodiments of the present application is configured in the above manner, which helps to improve the flexibility of use of the fire extinguishing device.

[0175] See also Figures 3 to 6 In some optional embodiments, the fire extinguishing device further includes a base 92 , and the base 92 is disposed on a side of the cylinder body 11 facing away from the cylinder cover 12 along its own height direction X.

[0176] Usually, in order to meet the requirements of design specifications, the fire extinguishing device needs to be installed off the ground to ensure the safety of the fire extinguishing device. In order to place the fire extinguishing device, a separate bracket is often required to place the fire extinguishing device, which increases the cost.

[0177] Therefore, a fire extinguishing device provided in some embodiments of the present application can meet the placement requirements of the fire extinguishing device by providing a base 92 at the bottom of the cylinder 11, which is conducive to reducing costs.

[0178] Optionally, the base 92 can be configured as two or more legs connected to the cylinder 11 and spaced apart, which is stable and conducive to lightweight design and also helps to reduce occupied space.

[0179] In some optional embodiments, the base 92 and the cylinder 11 are an integral structure.

[0180] By configuring in this manner, the assembly time of the fire extinguishing device can be saved, and the connection strength between the base 92 and the cylinder 11 can be improved to improve the structural strength of the fire extinguishing device.

[0181] Please continue reading Figures 3 to 6 In some optional embodiments, the fire extinguishing device further includes a hanging member 93 connected to the cylinder 11 .

[0182] The hanging member 93 can be connected to the side of the cylinder 11 to suspend the fire extinguishing device so as to meet the placement requirements.

[0183] Generally, in order to suspend the fire extinguishing device, a suspension bracket is usually installed at the location where the fire extinguishing device is to be suspended, such as on a wall, which increases the cost.

[0184] Therefore, in some embodiments of the present application, a fire extinguishing device is provided with a hanging member 93 on the cylinder 11, and only fasteners that can be engaged with the hanging member 93 need to be provided on the wall or other positions, which is conducive to reducing costs.

[0185] In some optional embodiments, the suspension member 93 and the cylinder body 11 are an integral structure.

[0186] By setting in this way, the assembly time of the fire extinguishing device can be saved, and it is also beneficial to improve the connection strength between the suspension member 93 and the cylinder 11, so as to improve the structural strength of the fire extinguishing device.

[0187] like Figure 4 As shown, the suspension member 93 can be extended along the height direction X, such as Figure 3 and Figure 6 As shown, the suspension member 93 can also be extended in a horizontal direction parallel to the ground, so that the fire extinguishing device can be in a state parallel to the ground after being suspended, wherein the horizontal direction is perpendicular to the height direction X.

[0188] Optionally, the fire extinguishing device may include only the base 92, or only the suspension member 93. Of course, the base 92 and the suspension member 93 may also be provided at the same time. The placement method of the fire extinguishing device can be selected according to needs, which is conducive to improving the flexibility of use.

[0189] In some optional embodiments, the fire extinguishing device includes a base 92 and a suspension member 93, the base 92 is arranged on the side of the cylinder 11 facing away from the cylinder cover 12 along its own height direction X, the suspension member 93 is connected to the cylinder 11, and along the height direction X, the suspension member 93 is located between the cylinder cover 12 and the base 92.

[0190] According to some embodiments of the present application, the present application also provides a vehicle, comprising the fire extinguishing device provided by any of the above embodiments.

[0191] The fire extinguishing device can be placed in the luggage compartment of the vehicle as needed, or can be placed in other locations of the vehicle to help improve the reliability of the vehicle.

[0192] See also Figures 1 to 6 The embodiment of the present application provides a fire extinguishing device, including a fire extinguishing body 10, a nozzle 20, a nozzle 30, a first adjustment mechanism 40, a second adjustment mechanism 50, a protective cover 60, a handheld part 70, a switch handle 80, a locking member 91, a base 92 and a hanging member 93.

[0193] The fire extinguishing body 10 comprises a cylinder body 11 and a cylinder cover 12 which are connected to each other. The cylinder body 11 has a receiving cavity 101 and an opening communicating with the receiving cavity 101 , and the cylinder cover 12 covers the opening.

[0194] The nozzle 20 has a first nozzle 201 and a second nozzle 202 opposite to each other along its extension direction. One of the first nozzle 201 and the barrel cover 12 is provided with a slot, and the other is provided with a protrusion. The protrusion is engaged with the slot to connect the nozzle 20 with the accommodating chamber 101.

[0195] The nozzle 30 detachably connected to the nozzle 20 has a cavity 303, an air inlet 304, and a first nozzle 301 and a second nozzle 302 opposite to each other along its own extension direction. The air inlet 304, the first nozzle 301 and the second nozzle 302 are respectively connected to the cavity 303. The first nozzle 301 is connected to the second pipe mouth 202 so that the cavity 303 is connected to the nozzle 20. The air inlet 304 is arranged in a direction intersecting with the extension direction of the nozzle 30. The minimum distance between the air inlet 304 and the first nozzle 301 is smaller than the minimum distance between the air inlet 304 and the second nozzle 302. The number of the air inlet holes 304 is at least two, and at least two air inlet holes 304 are distributed at intervals.

[0196] The first adjustment mechanism 40 is disposed on the nozzle 30 and is configured to adjust the opening of the air inlet hole 304. The first adjustment mechanism 40 includes a first shielding member 41. One of the first shielding member 41 and the nozzle 30 is sleeved on the other. The first shielding member 41 is rotatably connected to the nozzle 30 and is provided with a plurality of through holes 401. The area of ​​at least a part of the through holes 401 is smaller than the area of ​​the air inlet hole 304. The shape of the through holes 401 matches that of the air inlet hole 304.

[0197] The second adjustment mechanism 50 is disposed on the nozzle 20 and is configured to adjust the area of ​​the second nozzle 202 communicating with the first nozzle 301 . The second adjustment mechanism 50 includes a second shielding member movably connected to the nozzle 20 .

[0198] The protective cover 60 is sleeved on the outer periphery of the nozzle 30, and has a protective cavity 603 and a first port 601 and a second port 602 which are connected to the protective cavity 603 and arranged opposite to each other. The nozzle 30 is accommodated in the protective cavity 603, the first port 601 is connected to the nozzle 30, and the second port 602 protrudes from the second nozzle 302 along the extension direction of the nozzle 30, and the area of ​​the first port 601 is smaller than the area of ​​the second port 602.

[0199] The hand-held portion 70 is arranged on the spray head 30 and is spaced apart from the air inlet 304. The switch handle 80 is connected to the cylinder cover 12. The locking member 91 is movably connected to the switch handle 80 to fix the relative position of the switch handle 80. The switch handle 80 is provided with a limiting portion 801 and can be switched between an open state and a closed state. In the open state, the locking member 91 is clamped in the limiting portion 801. In the closed state, the locking member 91 is isolated from the limiting portion 801.

[0200] The switch handle 80 includes a first pressure handle 81 and a second pressure handle 82 which are hingedly arranged. The limiting portion 801 includes a first limiting portion 8011 arranged on the first pressure handle 81 and a second limiting portion 8012 arranged on the second pressure handle 82. In the open state, there is a first minimum distance between one end of the first pressure handle 81 facing away from the cylinder cover 12 and one end of the second pressure handle 82 facing away from the cylinder cover 12. The locking member 91 is clamped on the first limiting portion 8011 and the second limiting portion 8012. In the closed state, there is a second minimum distance between one end of the first pressure handle 81 facing away from the cylinder cover 12 and one end of the second pressure handle 82 facing away from the cylinder cover 12, and the second minimum distance is greater than the first minimum distance. There are more than two first limiting portions 8011, and the more than two first limiting portions 8011 are arranged at intervals along the extension direction of the first pressure handle 81. There are more than two second limiting portions 8012, and the more than two second limiting portions 8012 are arranged at intervals along the extension direction of the second pressure handle 82. The locking member 91 is a locking ring, and the limiting portion 801 is a groove body.

[0201] The base 92 is disposed on a side of the cylinder 11 facing away from the cylinder cover 12 along the height direction X of the cylinder 11 , and is an integrated structure with the cylinder 11 . The hanging member 93 is connected to the cylinder 11 .

[0202] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0203] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, but these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fire extinguishing device, characterized in that: include: The fire extinguishing body comprises a cylinder body and a cylinder cover which are connected to each other, wherein the cylinder body has a receiving cavity and an opening communicating with the receiving cavity, and the cylinder cover covers the opening; The nozzle has a first nozzle and a second nozzle opposite to each other along its extension direction, wherein the first nozzle is connected to the cylinder cover so that the nozzle is connected to the accommodating cavity; A nozzle having a cavity, an air inlet, and a first nozzle and a second nozzle opposite to each other along its extension direction, wherein the air inlet, the first nozzle and the second nozzle are respectively connected to the cavity, and the first nozzle is connected to the second nozzle, so that the cavity is connected to the nozzle; The first adjustment mechanism is disposed on the nozzle and is configured to adjust the opening of the air inlet.

2. The fire extinguishing device according to claim 1, characterized in that: The minimum distance between the air inlet hole and the first nozzle is smaller than the minimum distance between the air inlet hole and the second nozzle.

3. The fire extinguishing device according to claim 1, characterized in that: The number of the air inlet holes is at least two, and at least two of the air inlet holes are distributed at intervals.

4. The fire extinguishing device according to claim 1, characterized in that: The first adjusting mechanism includes a first shielding member, and the first shielding member is movably connected to the nozzle.

5. The fire extinguishing device according to claim 4, characterized in that: One of the first shielding member and the nozzle is sleeved on the other, and the first shielding member is rotatably connected to the nozzle.

6. The fire extinguishing device according to claim 5, characterized in that: The first shielding member is provided with a plurality of through holes distributed at intervals, an area of ​​each of a portion of the through holes is smaller than an area of ​​the air inlet hole, and an area of ​​each of another portion of the through holes is greater than or equal to an area of ​​the air inlet hole.

7. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The fire extinguishing device further includes a second adjusting mechanism, which is disposed at either the nozzle or the nozzle and is configured to adjust an area of ​​communication between the second nozzle and the first nozzle.

8. The fire extinguishing device according to claim 7, characterized in that: The second adjustment mechanism includes a second shielding member, and the second shielding member is movably connected to any one of the nozzle and the nozzle.

9. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The first pipe opening is plug-connected with the cylinder cover.

10. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The fire extinguishing device further comprises a protective cover, which is sleeved on the outer periphery of the nozzle and protrudes from the second nozzle along the extension direction of the nozzle; And / or, the fire extinguishing device further comprises a handle arranged on the nozzle, and the handle is spaced apart from the air inlet.

11. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The fire extinguishing device further comprises a switch handle and a locking member, wherein the switch handle is connected to the cylinder cover, and the locking member is movably connected to the switch handle to fix the switch handle.

12. The fire extinguishing device according to claim 11, characterized in that: The switch handle is provided with a limiting portion and can be switched between an open state and a closed state; In the open state, the locking member is engaged with the limiting portion, and in the closed state, the locking member is isolated from the limiting portion.

13. The fire extinguishing device according to claim 12, characterized in that: The switch handle comprises a first pressing handle and a second pressing handle which are hingedly arranged, and the limiting portion comprises a first limiting portion arranged on the first pressing handle and a second limiting portion arranged on the second pressing handle; In the open state, there is a first minimum distance between one end of the first pressing handle facing away from the cylinder cover and one end of the second pressing handle facing away from the cylinder cover, and the locking member is clamped to the first limiting portion and the second limiting portion; In the closed state, there is a second minimum distance between an end of the first pressing handle facing away from the cylinder cover and an end of the second pressing handle facing away from the cylinder cover, and the second minimum distance is greater than the first minimum distance.

14. The fire extinguishing device according to claim 13, characterized in that: The first limiting parts are provided in a number of more than two, and the more than two first limiting parts are arranged at intervals along the extending direction of the first pressing handle; And / or, the number of the second limiting portions is more than two, and the more than two second limiting portions are spaced apart along the extending direction of the second pressing handle.

15. The fire extinguishing device according to claim 14, characterized in that: The locking member is a locking ring, and / or the limiting portion is a groove body.

16. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The fire extinguishing device further comprises a base, which is arranged on a side of the cylinder body facing away from the cylinder cover along its own height direction.

17. The fire extinguishing device according to claim 16, characterized in that: The base and the cylinder are an integrated structure.

18. The fire extinguishing device according to any one of claims 1 to 6, characterized in that: The fire extinguishing device also includes a hanging member connected to the cylinder.

19. A vehicle, characterized in that: Comprising a fire extinguishing device as claimed in any one of claims 1 to 18.

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