Hidden bus fire extinguishing system

Abstract

The utility model discloses a hidden type bus fire extinguishing system which comprises a machine box assembly, a bottle body assembly is installed in the machine box assembly, and the bottle body assembly comprises two sets of bottle bodies. The spraying pipe assembly is connected with the bottle body assembly and comprises an inner spraying pipe assembly and an outer spraying pipe assembly, the inner spraying pipe assembly is installed inside the machine box assembly and connected with the bottle body assembly, and the outer spraying pipe assembly is installed outside the machine box assembly and connected with the inner spraying pipe assembly through a pipeline outlet of the machine box assembly. The control assembly is composed of a controller, a fire extinguishing switch and a wire harness, the controller is arranged in the machine box assembly, fire extinguishing agents of the two bottle body assemblies are combined into a pipeline through a tee joint of the inner spraying pipe assembly to be sprayed out, the pressure loss in the pipeline is greatly reduced, the spraying speed of the fire extinguishing agents is increased, and the fire extinguishing time is shortened. All parts of the spray pipe assembly are connected through the quick-inserting structures, all-directional spraying is achieved in the vehicle through the spray head, heat can be absorbed in the spraying process, and damage to the human body is reduced.

Description

Technical Field

[0001] The utility model relates to the field of emergency rescue and fire fighting, in particular to a concealed bus fire extinguishing system. Background Art

[0002] Fire has become one of the most deadly disasters in buses. In the existing technology, the fire prevention measures for buses are usually only equipped with portable dry powder fire extinguishers. Due to the small space, crowded equipment and complex structure, once a fire occurs, it is difficult to use the portable dry powder fire extinguisher and the fire is difficult to control. It is difficult to evacuate quickly when a fire occurs, which poses a major threat to the safety of passengers' lives and property. The existing fire extinguishing methods for buses are no longer suitable for the requirements of modern development.

[0003] As people take buses more frequently and their awareness of travel safety increases, higher requirements are placed on the fire safety of the car itself. The cabin sprinkler fire extinguishing device is directly related to the safety of passengers' lives and property. Since the number of car seats stipulated by the state is not allowed to be reduced, the installation space of the fire extinguishing device has become a prominent problem that needs to be solved urgently. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a concealed bus fire extinguishing system, which solves the problem that the bus fire extinguishing system is bulky and occupies the bus seats.

[0005] A concealed bus fire extinguishing system comprises a chassis assembly, wherein a bottle assembly is installed inside the chassis assembly, and the bottle assembly comprises two groups of bottles; a nozzle assembly is connected to the bottle assembly, and the nozzle assembly comprises an inner nozzle assembly and an outer nozzle assembly, wherein the inner nozzle assembly is installed inside the chassis assembly and connected to the bottle assembly, and the outer nozzle assembly is installed outside the chassis assembly and connected to the inner nozzle assembly through a pipeline outlet of the chassis assembly; and a control assembly comprises a controller, a fire extinguishing switch and a wiring harness, and the controller is arranged inside the chassis assembly.

[0006] Furthermore, it also includes a chassis assembly which is composed of a chassis and a front and rear cover to form a rectangular frame structure, and is fixed in combination by fixing screws, chassis handles are symmetrically arranged on both sides of the top of the chassis, a tank pressure plate and a tank base are arranged inside the chassis, the tank pressure plate and the tank base are arranged obliquely and have two circular holes in the center of the two, a tank pressure plate bracket is arranged on the upper end of the tank pressure plate and is fixed by a pressure plate fastening bolt, a seat fixing hole is arranged on the top surface of the chassis, a pipe outlet and a chassis fixing hole are arranged on the bottom surface, and an external nozzle assembly extends out of the chassis from the pipe outlet.

[0007] Furthermore, the chassis assembly is installed directly below the car seat, connected to the seat through the seat fixing holes on the top surface of the chassis, and connected to the car floor through the chassis fixing holes on the bottom surface of the chassis.

[0008] Furthermore, it also includes a bottle body assembly placed in two arcs of the tank base respectively, and fastened by a pressure plate fastening bolt through the two arcs of the tank pressure plate; the tank pressure plate is located below the tank pressure plate bracket, and the pressure plate fastening bolt is adjusted on the thread of the tank pressure plate bracket; the tank pressure plate bracket is fixed on the chassis.

[0009] Furthermore, the nozzle assembly is composed of an inner nozzle assembly and an outer nozzle assembly; the inner nozzle assembly is fixed by an upper fixing frame and a lower fixing frame, one end of which is connected to the bottle body assembly, and the other end is connected to the outer nozzle assembly; wherein the inner nozzle assembly includes a tee and a straight pass, and the outer nozzle assembly includes a nozzle and a nozzle fixing frame, etc.

[0010] Beneficial effects of the utility model:

[0011] The chassis assembly is reasonably designed and easy to assemble. It is installed directly under the seat, does not take up space in the car, and does not reduce the number of seats.

[0012] The overall structure of the chassis assembly is compact, the two sets of bottle assemblies inside are easy to install, the total height of the chassis and the seat meets the riding comfort of the human body, it has strong corrosion resistance after plastic spraying, and is connected to the seat and the car body through the top and bottom surfaces respectively, which is stable and reliable.

[0013] The fire extinguishing agents of the two groups of bottle assemblies are combined into one pipeline through the three-way of the inner nozzle assembly, which greatly reduces the pressure loss in the pipeline, speeds up the injection speed of the fire extinguishing agent, and shortens the fire extinguishing time. The parts of the nozzle assembly are all connected by a quick-insert structure, and the assembly speed is very fast.

[0014] 4. The water-based fire extinguishing agent used is non-toxic and harmless to the human body and has no corrosive effect on the internal parts of the car.

[0015] 5. The nozzle used can achieve all-round spraying in the car. During the spraying process, it can absorb a large amount of heat, which has a good cooling effect on the car and effectively reduces damage to the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of this application;

[0017] Figure 2 The structural diagram of the chassis components is removed for this application;

[0018] Figure 3 This is a front view of the chassis assembly of this application;

[0019] Figure 4 A top view of the chassis assembly of this application;

[0020] Figure 5 A bottom view of the chassis assembly of this application;

[0021] Figure 6 This is the main view of the overall structure diagram of this application;

[0022] Figure 7 It is the AA cross-sectional view of the overall structure diagram of this application;

[0023] Figure 8 BB is the cross-sectional view of the overall structure diagram of this application;

[0024] Fig. 9 The CC section view is the overall structural diagram of this application;

[0025] Fig.10 This is a front view of the nozzle assembly of the present application;

[0026] Fig.11 This is a front view of the inner nozzle assembly of the present application;

[0027] Fig.12 A top view of the inner nozzle assembly of the present application;

[0028] Fig.13 This is a front view of the outer nozzle assembly of the present application;

[0029] Fig.14 This is a top view of the outer nozzle assembly of the present application.

[0030] In the figure: 1-chassis assembly, 2-bottle body, 3-nozzle assembly, 4-control assembly, 5-chassis, 6-front and rear covers, 7-fixing screws, 8-chassis handle, 9-seat fixing hole, 10-fixed outlet, 11-chassis fixing hole, 12-tank pressure plate bracket, 13-pressure plate fastening bolts, 14-tank pressure plate, 15-tank base, 16-controller, 17-lower fixing frame, 18-upper fixing frame, 19-inner nozzle assembly, 20-outer nozzle assembly, 21-tee, 22-straight, 23-sprinkler, 24-sprinkler fixing frame. DETAILED DESCRIPTION

[0031] The following is an explanation of the implementation of the present invention by specific specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to the implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present utility model. In order to provide a deep understanding of the present utility model, many specific details will be included in the following description. The present utility model can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present utility model, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. It should be noted that in this specification, similar reference numerals and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in the subsequent figures.

[0032] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not indicate quantity restrictions, but indicate the existence of at least one. Words such as "set", "connected", "connected" and the like 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances. The directions or positional relationships indicated by “upper”, “lower”, “left”, “right”, “inner”, “bottom”, etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0033] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] In this embodiment, as shown in the attached Figure 1-2As shown, a concealed bus fire extinguishing system includes a chassis assembly 1, a bottle body assembly 2 is installed inside the chassis assembly 1, and the bottle body assembly 2 includes two groups of bottles; a nozzle assembly 3 is connected to the bottle body assembly 2, and the nozzle assembly 3 includes an inner nozzle assembly 19 and an outer nozzle assembly 20, the inner nozzle assembly 19 is installed inside the chassis assembly 1 and connected to the bottle body assembly 2, the outer nozzle assembly 20 is installed outside the chassis assembly 1, and is connected to the inner nozzle assembly 19 through a pipe outlet 10 of the chassis assembly 1, and a control assembly 4 is composed of a controller 16, a fire extinguishing switch and a wiring harness, and the controller 16 is arranged inside the chassis assembly 1.

[0035] As attached Figure 3-9 As shown, the chassis assembly 1 is composed of a chassis 5 and a front and rear cover 6 to form a rectangular frame structure, and is fixed together by fixing screws 7. Chassis handles 8 are symmetrically arranged on both sides of the top of the chassis 5. A tank pressure plate 14 and a tank base 15 are arranged inside the chassis 5. The tank pressure plate 14 and the tank base 15 are arranged obliquely and have two circular holes in the center of the two. A tank pressure plate bracket 12 is arranged on the upper end of the tank pressure plate 14 and is fixed by a pressure plate fastening bolt 13. A seat fixing hole 9 is arranged on the top surface of the chassis 5, and a pipe outlet 10 and a chassis fixing hole 11 are arranged on the bottom surface. The external nozzle assembly 20 extends out of the chassis 5 from the pipe outlet 10.

[0036] The chassis assembly 1 is installed directly below the car seat, connected to the seat through the seat fixing holes 9 on the top surface of the chassis, and connected to the car floor through the chassis fixing holes 11 on the bottom surface of the chassis.

[0037] It also includes a bottle body assembly 2 which is placed in two arcs of the tank base 15 respectively, and is fastened by the tank pressure plate fastening bolts 13 through the two arcs of the tank pressure plate 14; the tank pressure plate 14 is located below the tank pressure plate bracket 12, and the pressure plate fastening bolts 13 are adjusted on the threads of the tank pressure plate bracket 12; the tank pressure plate bracket 12 is fixed on the chassis 5.

[0038] As attached Figure 10-14 As shown, the nozzle assembly 3 is also composed of an inner nozzle assembly 19 and an outer nozzle assembly 20; the inner nozzle assembly 19 is fixed by an upper fixing frame 17 and a lower fixing frame 18, one end of which is connected to the bottle body assembly 2, and the other end is connected to the outer nozzle assembly 20; wherein, the inner nozzle assembly 19 includes a tee 21 and a straight 22, and the outer nozzle assembly 20 includes a nozzle 23 and a nozzle fixing frame 24, etc.

[0039] The working process of the utility model is as follows:

[0040] When an accidental fire occurs in the passenger compartment of a bus, the driver quickly presses the fire extinguishing switch on the operating console, and the controller 16 automatically issues an opening command to the bottle assembly 2, quickly opening the fire extinguishing agent channel, and the fire extinguishing agent flows to each nozzle 23 through the nozzle assembly 3 in a high-pressure state, and is sprayed in the entire compartment space in an atomized state to extinguish the fire.

[0041] Beneficial effects of the utility model:

[0042] The chassis assembly is reasonably designed and easy to assemble. It is installed directly under the seat, does not take up space in the car, and does not reduce the number of seats.

[0043] The overall structure of the chassis assembly is compact, the two sets of bottle assemblies inside are easy to install, the total height of the chassis and the seat meets the riding comfort of the human body, it has strong corrosion resistance after plastic spraying, and is connected to the seat and the car body through the top and bottom surfaces respectively, which is stable and reliable.

[0044] The fire extinguishing agents of the two groups of bottle assemblies are combined into one pipeline through the three-way of the inner nozzle assembly, which greatly reduces the pressure loss in the pipeline, speeds up the injection speed of the fire extinguishing agent, and shortens the fire extinguishing time. The parts of the nozzle assembly are all connected by a quick-insert structure, and the assembly speed is very fast.

[0045] 4. The water-based fire extinguishing agent used is non-toxic and harmless to the human body and has no corrosive effect on the internal parts of the car.

[0046] 5. The nozzle used can achieve all-round spraying in the car. During the spraying process, it can absorb a large amount of heat, which has a good cooling effect on the car and effectively reduces damage to the human body.

[0047] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hidden bus fire extinguishing system, characterized in that: The invention comprises a chassis assembly (1), wherein a bottle assembly (2) is installed inside the chassis assembly (1), wherein the bottle assembly (2) comprises two groups of bottles; a nozzle assembly (3) is connected to the bottle assembly (2), wherein the nozzle assembly (3) comprises an inner nozzle assembly (19) and an outer nozzle assembly (20), wherein the inner nozzle assembly (19) is installed inside the chassis assembly (1) and connected to the bottle assembly (2), and the outer nozzle assembly (20) is installed outside the chassis assembly (1) and connected to the inner nozzle assembly (19) via a pipe outlet (10) of the chassis assembly (1); and a control assembly (4) comprises a controller (16), a fire extinguishing switch and a wiring harness, wherein the controller (16) is arranged inside the chassis assembly (1); It also includes a chassis assembly (1) which is composed of a chassis (5) and a front and rear cover (6) to form a rectangular frame structure, and is assembled and fixed by fixing screws (7); chassis handles (8) are symmetrically arranged on both sides of the top of the chassis (5); a tank body pressure plate (14) and a tank body base (15) are arranged inside the chassis (5); the tank body pressure plate (14) and the tank body base (15) are arranged in an oblique line and have two circular holes at the center of the two; a tank body pressure plate bracket (12) is arranged at the upper end of the tank body pressure plate (14) and is fixed by a pressure plate fastening bolt (13); a seat fixing hole (9) is arranged on the top surface of the chassis (5); a pipe outlet (10) and a chassis fixing hole (11) are arranged on the bottom surface; and an external nozzle assembly (20) extends out of the chassis (5) from the pipe outlet (10); The chassis assembly (1) is installed directly below the car seat, connected to the seat via a seat fixing hole (9) on the top surface of the chassis, and connected to the car floor via a chassis fixing hole (11) on the bottom surface of the chassis.

2. A hidden bus fire extinguishing system according to claim 1, characterized in that: The invention also includes a bottle assembly (2) which is respectively placed in two arcs of a tank base (15) and is fastened by a tank pressure plate fastening bolt (13) through two arcs of a tank pressure plate (14); the tank pressure plate (14) is located below a tank pressure plate bracket (12), and the pressure plate fastening bolt (13) is adjusted on the thread of the tank pressure plate bracket (12); and the tank pressure plate bracket (12) is fixed on the chassis (5).

3. A hidden bus fire extinguishing system according to claim 1, characterized in that: The invention also comprises a nozzle assembly (3) which is composed of an inner nozzle assembly (19) and an outer nozzle assembly (20); the inner nozzle assembly (19) is fixed by an upper fixing frame (17) and a lower fixing frame (18), one end of which is connected to the bottle assembly (2), and the other end of which is connected to the outer nozzle assembly (20); wherein the inner nozzle assembly (19) comprises a tee (21) and a straight connection (22), and the outer nozzle assembly (20) comprises a nozzle (23) and a nozzle fixing frame (24).

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