New energy electric vehicle chassis cooling and fire extinguishing nozzle

Abstract

The application discloses a new energy electric vehicle chassis cooling and fire extinguishing nozzle, which comprises a nozzle shell, a plurality of spray holes are formed in the top end of the nozzle shell, a nozzle body is embedded and installed in the inner side of the spray hole, a plurality of water inlet holes in annular array distribution are uniformly formed in the outer side of the nozzle shell, a movable ring is movably sleeved on the outer side of the nozzle shell, four ball universal wheels are arranged on the bottom end edge of the nozzle shell, a quick plug connector is welded on the outer side of the movable ring, the quick plug connector penetrates through the movable ring and is communicated with the water inlet hole, an extension pipeline is connected to one end of the quick plug connector, an M thin nut is installed in the middle of the bottom end of the nozzle shell, the nozzle can be put into from the vehicle body and the front and rear directions of the vehicle through the unique movable ring steering function, the battery area can be fully covered in different directions, the M18 thin nut is arranged, and meanwhile, each component of the nozzle can be disassembled, so that subsequent maintenance and cleaning work is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric vehicles, in particular to a new energy electric vehicle chassis cooling and fire extinguishing nozzle. BACKGROUND

[0002] With the rapid growth of the number of electric vehicles, fire rescue of electric vehicles has become the norm. Most of the electric vehicle fires are caused by battery fires due to various reasons. Since the battery is sealed in the battery box integrated on the chassis, the external fire extinguishing agent cannot directly aim at the burning battery for extinguishing, and it is also difficult to effectively cover the battery box, so it can only be long time water flooding type water spraying to control the fire. But the conventional fire fighting water spraying equipment needs dozens of tons of water to control the electric vehicle fire, especially on the road away from the city fire hydrant system, a large number of fire trucks often need to be mobilized for rescue.

[0003] Therefore, the person skilled in the art provides a spray cooling and fire extinguishing nozzle suitable for new energy electric vehicle chassis to solve the problems raised in the background art. SUMMARY

[0004] The purpose of the present application is to solve the problems existing in the prior art and provide a new energy electric vehicle chassis cooling and fire extinguishing nozzle.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A new energy electric vehicle chassis cooling and fire extinguishing nozzle, comprising a nozzle shell, a plurality of spray holes are formed at the top end of the nozzle shell, and a nozzle body is embedded and installed in the inner side of the spray hole, a rotational flow core is arranged in the inner side of the nozzle body, a plurality of water inlet holes in the form of annular array are uniformly formed on the outer side of the nozzle shell, a movable ring is movably arranged on the outer side of the nozzle shell, and the water inlet holes are located on the inner side of the movable ring, annular grooves are formed on the outer wall of the nozzle shell at upper and lower positions, a cutout type Teflon gasket and a first sealing ring are respectively arranged in the inner side of the annular grooves, and the side surface of the movable ring is attached to the cutout type Teflon gasket and the first sealing ring, four ball universal wheels are arranged at the bottom end of the nozzle shell, a quick connector is welded on the outer side of the movable ring, the quick connector penetrates the movable ring and is connected with the water inlet hole, an extension pipeline is connected to one end of the quick connector, and an M thin nut is arranged at the middle of the bottom end of the nozzle shell.

[0007] Preferably, the outer wall of the nozzle shell is provided with a protruding structure on the bottom side, and the bottom end of the movable ring abuts above the protruding structure, a fixed ring is arranged on the outer wall of the nozzle shell at the top end position of the movable ring, and the fixed ring is fixedly connected to the nozzle shell by means of a flat end fixed bolt.

[0008] Preferably, a plurality of annular arrayed deep grooves are formed at the bottom end of the outer wall of the spray head shell, compression springs are mounted inside the deep grooves, and steel balls are movably embedded at the deep groove openings, with the steel balls abutting against the inner side of the movable ring and the end of the compression spring on the opposite side.

[0009] Preferably, the extension pipeline comprises a first extension pipe and a second extension pipe, one end of the second extension pipe is connected to the female quick plug at the end of the first extension pipe, and the other end is connected to the quick plug connector on the movable ring through a female quick plug (27).

[0010] Preferably, the other end of the first extension pipe is threadedly connected to the middle of the side of the support block, water mist open nozzles are symmetrically arranged on both sides of the top end of the support block, a first reducing connector is threadedly connected to the middle of the other side of the support block, a stainless steel elbow is threadedly connected to one end of the first reducing connector, and a second reducing connector is threadedly connected to one end of the stainless steel elbow.

[0011] Preferably, second sealing rings are mounted at the connection between the first reducing connector and the first extension pipe and the support block, and a filter screen is mounted in the second reducing connector by a snap spring.

[0012] Preferably, a connector pipe is connected to the end of the water mist open nozzle, a female quick plug is mounted at one end of the connector pipe, quick plug connectors are symmetrically mounted on the top end of the support block, and the water mist open nozzle is connected to the quick plug connectors on the support block through the female quick plugs.

[0013] Preferably, a flow channel is arranged inside the support block, the flow channel is in communication with the first extension pipe, the stainless steel elbow and the water mist open nozzle, and plugs are arranged at both ends of the flow channel, and a support cone is mounted at the middle of the bottom end of the support block.

[0014] Compared with the prior art, the beneficial effects of the present application are: the design of the nozzle body and the cyclone core makes the spray head spray water mist, improves the cooling effect and the utilization rate of water, the unique movable ring turning function allows the spray head to be placed from the vehicle body and the front and rear directions of the vehicle, different directions can ensure full coverage of the battery area, the M18 thin nut can be equipped with an operating rod to become a large-angle, large-flow water mist gun, and the components of the spray head can be disassembled for subsequent maintenance and cleaning work, two spray heads are provided on the extension pipeline to cool and protect the whole vehicle, prevent fire from spreading, and protect rescue personnel and trapped personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more specifically and intuitively illustrate the technical solutions in the embodiments of the present application or the prior art, a brief introduction will be given below to the drawings needed to be used in the embodiment or prior art description.

[0016] Figure 1Structure diagram of the present application;

[0017] Figure 2 Structure diagram of the present application;

[0018] Figure 3 Structure diagram of the present application;

[0019] Figure 4 Structure diagram of the present application;

[0020] Figure 5 Structure diagram of the present application; Figure 2 Structure diagram of the present application;

[0021] In the figure: 1, nozzle body; 2, rotating flow core; 3, flat end fixed bolt; 4, cutout type Teflon gasket; 5, first sealing ring; 6, quick plug connector; 7, movable ring; 8, nozzle shell; 9, ball universal wheel; 10, fixed ring; 11, water inlet hole; 12, steel ball; 13, compression spring; 14, M18 thin nut; 15, second reducing connector; 16, stainless steel elbow; 17, filter screen; 18, clamping spring; 19, first reducing connector; 20, support block; 21, second sealing ring; 22, fine water mist open type nozzle; 23, connector pipe; 24, plug; 25, support cone; 26, first extension pipe; 27, quick plug female head; 28, quick plug male head; 29, second extension pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0023] Refer to Figures 1-5 A new energy electric vehicle chassis cooling and fire extinguishing nozzle, comprising a nozzle shell 8, a plurality of spray holes are formed in the top end of the nozzle shell 8, and a nozzle body 1 is embedded and installed in the inner side of the spray hole, a rotating flow core 2 is arranged in the inner side of the nozzle body 1, a plurality of water inlet holes 11 are uniformly formed in the outer side of the nozzle shell 8 in a ring array, a movable ring 7 is movably sleeved on the outer side of the nozzle shell 8, and the water inlet holes 11 are located on the inner side of the movable ring 7, annular grooves are formed on the upper and lower positions of the outer wall of the nozzle shell 8, a cutout type Teflon gasket 4 and a first sealing ring 5 are respectively sleeved on the inner side of the annular grooves, and the side surface of the movable ring 7 is attached to the cutout type Teflon gasket 4 and the first sealing ring 5, four ball universal wheels 9 are arranged on the bottom end edge of the nozzle shell 8, a quick plug connector 6 is welded on the outer side of the movable ring 7, the quick plug connector 6 penetrates through the movable ring 7 and is in communication with the water inlet holes 11, an extension pipe is connected to one end of the quick plug connector 6, and an M18 thin nut 14 is installed on the middle part of the bottom end of the nozzle shell 8.

[0024] The technical scheme adopted above, through the setting of the movable ring 7 outside the nozzle shell 8, and the uniform opening of the water inlet hole 11 in the annular array direction outside the nozzle shell 8, the movable ring 7 is covered outside the water inlet hole 11, the first sealing ring 5 is used to seal the upper and lower positions of the water inlet hole 11, the quick connector 6 is welded outside the movable ring 7 for connecting the outside pipeline, the end of the quick connector 6 penetrates the movable ring, and the internal passage can be communicated with the water inlet hole 11, therefore, when the external water source enters the nozzle shell 8 from the water inlet hole 11 through the quick connector 6, and then is sprayed from the nozzle body 1, due to the effect of the cyclone core 2, the sprayed is water mist, which can effectively absorb the toxic gas generated in the battery combustion process, the ball universal wheel 9 arranged at the bottom end of the nozzle shell 8 can slide on the ground after connecting the extension pipeline, the position is changed for the automobile chassis fire extinguishing work, at the same time, the M18 thin nut 14 can be clamped by a wrench tool, so that the nozzle shell 8 is rotated to change the direction of the different water inlet interfaces, and the corresponding operating rod or extension pipeline is installed, the nozzle immediately becomes a large-angle, large-flow fine water mist gun, and the M18 thin nut 14 can be installed at different positions as a fixed interface.

[0025] The bottom side of the outer wall of the nozzle shell 8 is provided with a protruding structure, and the bottom end of the movable ring 7 abuts above the protruding structure, the outer wall of the nozzle shell 8 is provided with a fixed ring 10 at the top end position of the movable ring 7, and the fixed ring 10 is fixedly connected with the nozzle shell 8 through the flat-end fixed bolt 3;

[0026] The technical scheme adopted above, Figure 3 It can be seen that the bottom end of the movable ring 7 is placed above the protruding structure, so as to limit the position of the bottom of the movable ring 7, and the movable ring 7 above is limited by the fixed ring 10, the fixed ring 10 is fixed on the outer side of the nozzle shell 8 above through the flat-end fixed bolt 3, and the same, it can be disassembled, so as to facilitate the maintenance or replacement of the related parts in the later period.

[0027] A plurality of annular array deep grooves are arranged at the bottom end position of the outer wall of the nozzle shell 8, a compression spring 13 is arranged in the deep groove, a steel ball 12 is movably embedded at the deep groove opening position, and the steel ball 12 is abutted against the inner side of the movable ring 7 and the end of the compression spring 13 respectively;

[0028] The technical scheme adopted above, the design purpose of the steel ball 12 is to make the sliding of the movable ring 7 outside the nozzle shell 8 more smooth, and reduce the influence of friction, and the compression spring 13 is designed to be appropriately extruded when the movable ring 7 slides through the steel ball 12.

[0029] The extension pipeline comprises a first extension pipe 26 and a second extension pipe 29, one end of the second extension pipe 29 is connected with the quick plug female head 27 at the end of the first extension pipe 26 through the quick plug male head 28, and the other end is connected with the quick plug connector 6 on the movable ring 7 through the quick plug female head 27;

[0030] The above technical scheme is that the quick plug female head 27 can be connected with the quick plug male head 28 and the quick plug connector 6, which is introduced from the prior art, so that the nozzle shell 8, the first extension pipe 26 and the second extension pipe 29 can be quickly connected, and the extension pipeline is provided with an insulating sheath, which prevents the firefighter from being electrocuted when extinguishing the fire, and the other components are made of stainless steel.

[0031] The other end of the first extension pipe 26 is threadedly connected to the middle of the side of the support block 20, the support block 20 is symmetrically provided with the open-type water mist nozzle 22 at the top of the two sides, the middle of the other side of the support block 20 is threadedly connected with the first reducing connector 19, and the first reducing connector 19 is threadedly connected with the stainless steel elbow 16 at one end, and the stainless steel elbow 16 is threadedly connected with the second reducing connector 15 at one end;

[0032] The above technical scheme is that the second reducing connector 15 at one end of the stainless steel elbow 16 is convenient for connecting the external water source pipeline, so as to supply water to the nozzle shell 8 and the open-type water mist nozzle 22, the open-type water mist nozzle 22 performs side spraying, the whole vehicle is cooled and protected, the fire is prevented from spreading, and the rescue personnel and the trapped personnel are protected,

[0033] The second reducing connector 19 and the first extension pipe 26 are both provided with the second sealing ring 21 at the connection position with the support block 20, and the filter screen 17 is installed in the second reducing connector 15 through the snap spring 18;

[0034] The above technical scheme is that the second sealing ring 21 is used to ensure the sealing performance of the connection position of the support block 20 and each component, and the filter screen 17 installed in the second reducing connector 15 is used to prevent impurities from entering the corresponding pipeline and the nozzle.

[0035] The end of the open-type water mist nozzle 22 is connected with the connector pipe 23, the connector pipe 23 is provided with the quick plug female head 27 at one end, the support block 20 is symmetrically provided with the quick plug connector 6 at the top, and the open-type water mist nozzle 22 is connected with the quick plug connector 6 on the support block 20 through the quick plug female head 27;

[0036] The above technical scheme is that the open-type water mist nozzle 22 is also installed by using the existing quick plug technology, so that the installation steps are simplified and the disassembly is convenient, and the quick plug technology with the self-sealing structure is used, so that the open-type water mist nozzle can be directly pulled out when not used,

[0037] The support block 20 is internally provided with flow channels, which are respectively communicated with the first extension pipe 26, the stainless steel elbow 16 and the water mist open nozzle 22, and both ends of the flow channels are provided with plugs 24, and the bottom end of the support block 20 is provided with a support cone 25;

[0038] The above-adopted technical scheme has the following advantages: the plugs 24 are used to block the two ends of the support block 20, and the support cone 25 can be placed on the ground to ensure that the extension pipe and the nozzle are not moved when the nozzle sprays water.

[0039] Working principle:

[0040] When the nozzle device is used, the quick plug female head 27 on the second extension pipe 29 is connected with the quick plug connector 6 on the nozzle shell 8, then the first extension pipe 26 and the second extension pipe 29 are quickly connected through the quick plug female head 27 and the quick plug male head 28, one end of the first extension pipe 26 is connected with the support block 20, the support block 20 is connected with the external water source pipe through the stainless steel elbow 16, so as to supply water to the nozzle shell 8, the water in the nozzle shell 8 is sprayed from the nozzle body 1 to form water mist, so as to achieve the effect of fire extinguishing and cooling, the support block 20 is provided with two water mist open nozzles 22, so as to achieve the effect of cooling and protecting the whole vehicle, preventing the spread of fire, and protecting the rescue personnel and the trapped personnel, the movable ring 7 provided on the nozzle shell 8 can be rotated, so as to adjust the connection direction of the quick plug connector 6 according to the water supply direction, which is convenient for being placed from the vehicle body and the front and rear directions of the vehicle, and the battery area can be fully covered in different directions, the nozzle device adopts the water mist nozzle, and the flow of the nozzle is about 180LPM under the design of 7bar pressure, which is much smaller than the flow of the same type of nozzle on the market.

[0041] The above-adopted technical scheme, but the protection scope of the present application is not limited to this, any person skilled in the art in the technical range disclosed by the present application, according to the technical scheme and the invention concept of the present application, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A cooling and fire extinguishing nozzle for the chassis of a new energy electric vehicle, comprising a nozzle housing (8), characterized in that, The nozzle housing (8) has multiple spray holes at its top, and a nozzle body (1) is embedded inside the spray holes. A swirl core (2) is provided inside the nozzle body (1). Multiple water inlet holes (11) are evenly distributed in a ring array on the outer side of the nozzle housing (8). A movable ring (7) is movably fitted on the outer side of the nozzle housing (8), and the water inlet holes (11) are located on the inner side of the movable ring (7). Annular grooves are provided at the top and bottom of the outer wall of the nozzle housing (8), and slits are respectively fitted inside the annular grooves. The nozzle housing (8) is equipped with four ball casters (9) at the bottom edge. A quick-connect fitting (6) is welded to the outside of the movable ring (7), and the quick-connect fitting (6) passes through the movable ring (7) and is connected to the water inlet (11). An extension pipe is connected to one end of the quick-connect fitting (6). An M18 thin nut (14) is installed in the middle of the bottom end of the nozzle housing (8). The nozzle housing (8) has a raised structure on the bottom side of its outer wall, and the bottom end of the movable ring (7) abuts against the raised structure. A fixed ring (10) is provided on the outer wall of the nozzle housing (8) at the top of the movable ring (7). The fixed ring (10) is fixed to the nozzle housing (8) by a flat-end fixing bolt (3). The nozzle housing (8) has multiple deep grooves arranged in a ring array at the bottom of its outer wall. A compression spring (13) is installed inside the deep groove. A steel ball (12) is movably embedded at the opening of the deep groove, and the steel ball (12) abuts against the inner side of the movable ring (7) and the end of the compression spring (13) on opposite sides. The extension pipe includes a first extension pipe (26) and a second extension pipe (29). One end of the second extension pipe (29) is connected to the quick-connect female end (27) of the first extension pipe (26) via a quick-connect male end (28), and the other end is connected to the quick-connect connector (6) on the movable ring (7) via a quick-connect female end (27). The other end of the first extension tube (26) is threaded to the middle of the side of the support block (20). Fine water mist open nozzles (22) are symmetrically arranged on both sides of the top of the support block (20). The middle of the other side of the support block (20) is threaded to a first reducing connector (19), and one end of the first reducing connector (19) is threaded to a stainless steel elbow (16). One end of the stainless steel elbow (16) is threaded to a second reducing connector (15). The first reducing connector (19) and the first extension tube (26) are both connected to the support block (20) with a second sealing ring (21). The second reducing connector (15) has a filter screen (17) installed inside by a snap ring (18).

2. The cooling and fire extinguishing nozzle for a new energy electric vehicle chassis according to claim 1, characterized in that, The fine water mist open nozzle (22) is connected to a connector tube (23) at one end. A quick-connect female head (27) is installed at one end of the connector tube (23). Quick-connect connectors (6) are symmetrically installed at the top of the support block (20). The fine water mist open nozzle (22) is connected to the quick-connect connectors (6) on the support block (20) through the quick-connect female head (27).

3. A cooling and fire extinguishing nozzle for the chassis of a new energy electric vehicle according to claim 2, characterized in that, The inner side of the support block (20) is provided with a flow channel, which is connected to the first extension pipe (26), the stainless steel elbow (16) and the fine water mist open nozzle (22) respectively, and both ends of the flow channel are provided with plugs (24). A support cone (25) is installed in the middle of the bottom end of the support block (20).

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