Vehicle chassis fire extinguishing device

Abstract

The utility model discloses a vehicle chassis fire extinguishing device and relates to the technical field of fire extinguishing devices. According to the technical scheme, the vehicle chassis fire extinguishing device comprises a main pipeline, one end of the main pipeline is a first necking part, a lengthened pipeline is connected to the first necking part in a sleeved mode, a first cam is hinged to the side face of the lengthened pipeline, the position of the first cam corresponds to that of the first necking part, and the protruding side of the first cam can be matched with the first necking part and lock the lengthened pipeline on the main pipeline. The protruding side of the first cam is embedded into the first necking part by rotating the first cam. Therefore, by means of the friction effect between the first cam and the first necking part, the lengthened pipeline is stably locked on the main pipeline. The device has the beneficial effects that not only can the efficient locking of the main pipeline and the lengthened pipeline be realized, but also the device can be quickly disassembled as required, so that the convenience in transportation and carrying is greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing devices, in particular to a vehicle chassis fire extinguishing device. Background Art

[0002] In the case of a vehicle fire, conventional fire-fighting methods often make it difficult to extinguish the fire directly on the vehicle chassis. This is because the structure and position design of the vehicle chassis make it difficult for the fire extinguisher or the fire extinguishing agent sprayed by the fire extinguisher to directly contact the fire source. There are many pipes, lines and other structures under the chassis. These obstacles make it difficult for the fire extinguishing agent to be sprayed directly on the fire source. At the same time, after the vehicle chassis catches fire, the fire can easily spread quickly to other parts of the vehicle, such as the engine, fuel tank, etc. Once these parts are ignited, the fire will spread rapidly, causing the entire vehicle to be engulfed in flames. Therefore, timely and effective extinguishing of chassis fires is crucial to protecting the safety of vehicles and personnel. At this time, a special vehicle chassis fire extinguishing device is needed to play a role.

[0003] The existing vehicle chassis fire extinguishing device adopts a water pipe with wheels, and a nozzle is provided on the water pipe to spray upward. When in use, the water pipe is pushed under the vehicle chassis, and then water is injected into the water pipe, and the water flow will spray from bottom to top through the nozzle to extinguish the fire on the vehicle chassis.

[0004] Yet, the size of existing vehicle chassis fire extinguishing device is fixed, and for large vehicles, need specially made large-sized vehicle chassis fire extinguishing device. In actual use, this specially made large-sized device transportation is very inconvenient, also inconvenient to carry, and this has brought great inconvenience to rescue work. Summary of the invention

[0005] The utility model aims at solving the problem that the existing vehicle chassis fire extinguishing device is inconvenient to transport and provides a vehicle chassis fire extinguishing device which can be quickly disassembled.

[0006] In order to solve the above problems, the technical solution adopted by the utility model is a vehicle chassis fire extinguishing device, including a main pipe, one end of the main pipe is a constricted neck 1, an extended pipe is sleeved on the constricted neck 1, and a cam 1 is hinged on the side of the extended pipe, the position of the cam 1 corresponds to the constricted neck 1, and the protruding side of the cam 1 can cooperate with the constricted neck 1 and lock the extended pipe on the main pipe. When the extended pipe is docked with the main pipe, the constricted neck 1 and the cam 1 are opposite in position. By rotating the cam 1, its protruding side is turned into the inside of the constricted neck 1. In this way, the extended pipe is locked on the main pipe through the friction between the cam 1 and the constricted neck 1. Therefore, the device can realize the rapid locking of the main pipe and the extended pipe, and can be quickly removed when necessary.

[0007] Preferably, a mounting opening 1 is provided on the side of the extended pipe, the mounting opening 1 is located at a position corresponding to the neck portion 1, mounting plates 1 are fixed on both sides of the mounting opening 1, a fixed shaft 1 is provided on the mounting plate 1, both ends of the fixed shaft 1 are respectively fixedly connected to the mounting plates 1 on both sides, a cam is sleeved on the fixed shaft 1, and a locking rod 1 is fixed on the cam 1. By operating the locking rod 1, the rotation of the cam 1 can be controlled, thereby realizing locking or unlocking of the extended pipe.

[0008] Preferably, a water pipe joint is fixed at the other end of the main pipeline, which can be conveniently connected to the fire hose to ensure rapid access to water.

[0009] Preferably, a push-pull rod is hinged on the main pipeline, and the push-pull rod is located above the main pipeline. By operating the push-pull rod, the movement of the main pipeline can be flexibly controlled so that it can be conveniently placed at the position where the vehicle chassis is on fire.

[0010] Preferably, a universal wheel is provided at one end of the main pipe near the water pipe joint, and the universal wheel is located below the main pipe, and a one-way wheel is provided at one end of the main pipe away from the water pipe joint, and the one-way wheel is located below the main pipe. The universal wheel can easily adjust the direction of the main pipe to meet different needs. The one-way wheel can ensure that the entire device slides to the specified position quickly and accurately.

[0011] Preferably, a nozzle 1 is provided on the main pipeline, the nozzle 1 is connected to the main pipeline, and the spray direction of the nozzle 1 is set to be toward the vehicle chassis. The spray direction of the nozzle 1 is set to be toward the vehicle chassis, which can ensure that the water flow can smoothly extinguish the fire at the vehicle chassis.

[0012] Preferably, a second nozzle is provided on the extended pipe, the second nozzle is connected to the extended pipe, and the spray direction of the second nozzle is set to be toward the vehicle chassis. The spray direction of the second nozzle is set to be toward the vehicle chassis, which can ensure that the water flow can smoothly extinguish the fire at the vehicle chassis.

[0013] Preferably, the nozzles 1 are evenly distributed along the axis of the main pipe, and the nozzles 2 are evenly distributed along the axis of the extended pipe. The nozzles 1 and 2 are evenly distributed to ensure that the water flow is evenly sprayed.

[0014] Preferably, the extended pipe is provided with a one-way wheel, which is located below the extended pipe. The one-way wheel can stably support the extended pipe and ensure that it is accurately delivered to the designated position.

[0015] Preferably, one end of the extended pipe is a second constriction neck, a blocking pipe is sleeved on the second constriction neck, a cam is hinged on the side of the blocking pipe, the position of the second cam corresponds to the second constriction neck, the protruding side of the second cam can cooperate with the second constriction neck, and the blocking pipe is locked on the extended pipe. By rotating the second cam, the protruding side of the cam is turned into the inside of the second constriction neck. In this way, the blocking pipe is locked on the extended pipe through the friction between the second cam and the second constriction neck. The function of the blocking pipe is to block the water flow so that the water flow can only be sprayed out from the nozzle.

[0016] It can be seen from the above technical solutions that the advantage of the utility model is that when the extended pipe is docked with the main pipe, the neck part 1 and the cam part 1 are positioned opposite each other. By rotating the cam part 1, the protruding side thereof is embedded in the neck part 1. Thus, by utilizing the friction effect between the cam part 1 and the neck part 1, the extended pipe is firmly locked on the main pipe. In summary, the device can not only realize the efficient locking of the main pipe and the extended pipe, but also can be quickly disassembled when needed, which greatly enhances the convenience of transportation and carrying, significantly improves the efficiency and safety of rescue work, and provides strong support for responding to emergencies. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model.

[0019] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0020] Figure 3 for Figure 1 A partial enlarged view of point B in the middle.

[0021] Figure 4 for Figure 1 A partial enlarged view of point C in the middle.

[0022] Figure 5 It is a cross-sectional view of a lengthened pipeline in a specific implementation manner of the utility model.

[0023] Figure 6 It is a cross-sectional view of a pipeline blocked in a specific implementation manner of the utility model.

[0024] In the figure: 1. main pipeline, 11. nozzle 1, 12. universal wheel, 13. push-pull rod, 14. water pipe joint, 15. neck reduction 1, 2. extended pipeline, 21. nozzle 2, 22. installation opening 1, 23. installation plate 1, 24. fixed shaft 1, 25. cam 1, 26. locking rod 1, 27. neck reduction 2, 3. blocking pipeline, 31. installation opening 2, 32. installation plate 2, 33. fixed shaft 2, 34. cam 2, 35. locking rod 2, 4. one-way wheel. DETAILED DESCRIPTION

[0025] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0026] A vehicle chassis fire extinguishing device includes a main pipe 1, which is connected to a fire hose to ensure a stable and sufficient water source for the entire device. An extension pipe 2 is sleeved on the rear side of the main pipe 1. When a large vehicle needs to be extinguished, an additional extension pipe 2 can be connected to the main pipe 1 to effectively extinguish a fire source that is farther away. A blocking pipe 3 is sleeved on the rear side of the extension pipe 2. The blocking pipe 3 can block the water flow. Specifically, Figure 1-4 shown.

[0027] In this specific embodiment, the main pipeline 1 specifically adopts the following structure: a water pipe joint 14 is welded at one end of the main pipeline 1, and the size of the water pipe joint 14 is adapted to the fire hose. The water pipe joint 14 can be conveniently connected to the fire hose to ensure rapid access to water. A sleeve is welded at one end of the main pipeline 1 close to the water pipe joint 14, and the sleeve is located above the main pipeline 1. A push-pull rod 13 is hinged inside the sleeve. By operating the push-pull rod 13, the main pipeline 1 can be flexibly moved. A fixing plate is welded to one end of the main pipe 1 near the water pipe joint 14. There are two fixing plates, which are located on both sides of the main pipe 1. A rotating shaft is set on each of the two fixing plates. Universal wheels 12 are welded below the two rotating shafts, and the universal wheels 12 are located below the main pipe 1. A fixing rod is welded to one end of the main pipe 1 away from the water pipe joint 14. There are two fixing rods, which are located on both sides of the main pipe 1. One end of the fixing rod is welded to the side of the main pipe 1, and the other end of the fixing rod is provided with a one-way wheel 4. The one-way wheel 4 can rotate around the fixing rod, and the one-way wheel 4 is located below the main pipe 1. A nozzle 11 is welded to the main pipe 1. The nozzles 11 are evenly distributed along the axis of the main pipe 1. The nozzles 11 are all connected to the main pipe 1, and the spraying direction of the nozzles 11 is set to face the vehicle chassis. The other end of the main pipe 1 is a neck 15.

[0028] like Figure 5As shown, in this specific embodiment, the extended pipe 2 specifically adopts the following structure: the inner diameter of one end of the extended pipe 2 is the same as the outer diameter of the main pipe 1, and a mounting port 22 is arranged on the side of the end of the extended pipe 2 connected to the main pipe 1. The mounting ports 22 are evenly distributed around the axis of the extended pipe 2. In this embodiment, there are two mounting ports 22, and the position of the mounting ports 22 corresponds to the neck portion 15. Both sides of the mounting ports 22 are welded with mounting plates 23, and the mounting plates 23 are provided with a fixed shaft 24. The two ends of the shaft 24 are respectively fixedly connected with the mounting plates 23 on both sides by welding. A cam 25 is sleeved on the fixed shaft 24. The cam 25 can rotate around the fixed shaft 24. By rotating the cam 25, the protruding side of the cam 25 is embedded in the inside of the necking part 15. By utilizing the friction effect between the cam 25 and the necking part 15, the extended pipe 2 can be locked on the main pipe 1. A locking rod 26 is welded on the cam 25. By operating the locking rod 26, the rotation of the cam 25 can be controlled. A fixing rod is welded on one end of the extended pipe 2 away from the main pipe 1. There are two fixing rods, which are respectively located on both sides of the extended pipe 2. One end of the fixing rod is welded on the side of the extended pipe 2. The other end of the fixing rod is provided with a one-way wheel 4. The one-way wheel 4 can rotate around the fixing rod, and the one-way wheel 4 is located below the extended pipe 2. A second nozzle 21 is welded on the extended pipe 2, and the second nozzle 21 is evenly distributed along the axis of the extended pipe 2. The second nozzle 21 is connected to the extended pipe 2, and the spraying direction of the second nozzle 21 is set to be toward the vehicle chassis. The other end of the extended pipe 2 is a second neck 27.

[0029] like Figure 6 As shown, in this specific embodiment, the blocking pipe 3 specifically adopts the following structure: the inner diameter of one end of the blocking pipe 3 is the same as the outer diameter of the other end of the lengthened pipe 2, and a second mounting opening 31 is provided on the side of the end of the blocking pipe 3 that is connected to the lengthened pipe 2. The second mounting openings 31 are evenly distributed around the axis of the blocking pipe 3. In this embodiment, there are two second mounting openings 31, and the position of the second mounting openings 31 corresponds to the second neck 27. The second mounting plates 32 are welded on both sides of the second mounting openings 31, and the second mounting plates 32 are provided with a second fixed shaft 33. The two ends of the second fixed shaft 33 are respectively fixedly connected with the second mounting plates 32 on both sides by welding. The second fixed shaft 33 is sleeved with a second cam 34, which can rotate around the second fixed shaft 33. By rotating the second cam 34, the protruding side of the second cam 34 is embedded in the second shrinking neck 27. By utilizing the friction effect between the second cam 34 and the second shrinking neck 27, the plugging pipe 3 can be locked on the lengthened pipe 2. The second cam 34 is welded with a second locking rod 35. By operating the second locking rod 35, the rotation of the second cam 34 can be controlled. A sealing plate is welded on the other end of the plugging pipe 3, and the sealing plate completely seals the plugging pipe 3.

[0030] The specific use process of the utility model is as follows: according to the actual needs of the site, first determine the number of sections of the extended pipe 2 to be installed. Then, connect the fire hose to the water pipe joint 14 at one end of the main pipe 1. Then, dock the extended pipe 2 with the locking rod 1 26 with the other end of the main pipe 1, and rotate the locking rod 1 26 so that the protruding side of the cam 1 25 is embedded in the inside of the neck 15, thereby completing the installation of the first section of the extended pipe 2. According to the same steps, install the required sections of the extended pipe 2 in sequence until all the extended pipes 2 are installed. After that, the blocking pipe 3 is sleeved on the last extended pipe 2, and the locking rod 2 35 is rotated so that the protruding side of the cam 2 34 is embedded in the inside of the neck 2 27 to complete the installation of the blocking pipe 3. By operating the push-pull rod 13, the entire device is accurately placed at the fire position of the vehicle chassis. After opening the water valve of the fire hose, water will be sprayed from the nozzle 1 11 of the main pipe 1 and the nozzle 2 21 of the extended pipe 2 at the same time, extinguishing the fire on the vehicle chassis from bottom to top. After the fire extinguishing task is completed, the device can be quickly dismantled by simply rotating the locking rod 1 26 and the locking rod 2 35.

[0031] It can be seen from the above embodiments that the beneficial effect of the utility model is that when the extended pipe is docked with the main pipe, the neck part 1 and the cam part 1 are positioned opposite each other. By rotating the cam part 1, the protruding side thereof is embedded in the neck part 1. Thus, by utilizing the friction effect between the cam part 1 and the neck part 1, the extended pipe is firmly locked on the main pipe. In summary, the device can not only realize the efficient locking of the main pipe and the extended pipe, but also can be quickly disassembled when needed, which greatly enhances the convenience of transportation and carrying, significantly improves the efficiency and safety of rescue work, and provides strong support for responding to emergencies.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vehicle chassis fire extinguishing device, comprising a main pipeline (1), characterized in that: One end of the main pipe (1) is a constricted neck portion (15), on which an extended pipe (2) is sleeved, and a cam (25) is hingedly connected to the side of the extended pipe (2), the position of the cam (25) corresponds to the constricted neck portion (15), and the protruding side of the cam (25) can cooperate with the constricted neck portion (15) to lock the extended pipe (2) on the main pipe (1).

2. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: A mounting opening (22) is provided on the side of the extended pipe (2), the position of the mounting opening (22) corresponds to the neck portion (15), mounting plates (23) are fixed on both sides of the mounting opening (22), a fixed shaft (24) is provided on the mounting plate (23), both ends of the fixed shaft (24) are respectively fixedly connected to the mounting plates (23) on both sides, a cam (25) is sleeved on the fixed shaft (24), and a locking rod (26) is fixed on the cam (25).

3. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: A water pipe joint (14) is fixed to the other end of the main pipeline (1).

4. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: A push-pull rod (13) is hingedly connected to the main pipeline (1), and the push-pull rod (13) is located above the main pipeline (1).

5. The vehicle chassis fire extinguishing device according to claim 3, characterized in that: A universal wheel (12) is provided at one end of the main pipe (1) close to the water pipe joint (14), and the universal wheel (12) is located below the main pipe (1). A one-way wheel (4) is provided at one end of the main pipe (1) away from the water pipe joint (14), and the one-way wheel (4) is located below the main pipe (1).

6. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: A nozzle one (11) is arranged on the main pipeline (1), the nozzle one (11) is connected to the main pipeline (1), and the spraying direction of the nozzle one (11) is arranged to be toward the vehicle chassis.

7. The vehicle chassis fire extinguishing device according to claim 6, characterized in that: A second nozzle (21) is arranged on the extended pipe (2), the second nozzle (21) is connected to the extended pipe (2), and the spraying direction of the second nozzle (21) is arranged to be toward the vehicle chassis.

8. The vehicle chassis fire extinguishing device according to claim 7, characterized in that: The nozzles 1 (11) are evenly distributed along the axis of the main pipeline (1), and the nozzles 2 (21) are evenly distributed along the axis of the extended pipeline (2).

9. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: A one-way wheel (4) is provided on the extended pipe (2), and the one-way wheel (4) is located below the extended pipe (2).

10. The vehicle chassis fire extinguishing device according to claim 1, characterized in that: One end of the extended pipe (2) is a second contraction neck (27), a blocking pipe (3) is sleeved on the second contraction neck (27), a second cam (34) is hingedly connected to the side of the blocking pipe (3), the position of the second cam (34) corresponds to the second contraction neck (27), the protruding side of the second cam (34) can cooperate with the second contraction neck (27), and lock the blocking pipe (3) on the extended pipe (2).

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