Fire extinguishing water cannon capable of quickly replacing cannon nozzle

Abstract

The fire extinguishing water cannon comprises a flange plate, one end of the flange plate is fixedly connected with an installation pipe, the bottom end of the installation pipe is fixedly connected with a shell, one side of the shell is provided with a movable opening, a connecting pipe is movably arranged in the movable opening, one end of the connecting pipe is fixedly connected with an installation assembly, and the other end of the connecting pipe is fixedly connected with the installation assembly. The mounting assembly is connected with an injection head in a clamped mode. An infrared sensor and an intelligent camera are fixedly arranged on the two sides of the connecting pipe correspondingly, and an ultraviolet sensor is fixedly installed on one side of the bottom end of the shell. The spraying head is fixedly clamped through the mounting assembly, the spraying head can be conveniently and rapidly disassembled, assembled and replaced, and compared with a traditional threaded structure connecting mode, the steps of rotating operation are reduced, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting water cannons, in particular to a fire-fighting water cannon with a quick-replaceable cannon nozzle. Background Art

[0002] As an important fire-fighting tool, fire water monitor has the characteristics of high reliability, easy operation, high sensitivity and long service life. It is widely used in various flammable and explosive places and fire-prone protection areas. The fire water monitor head, as its key equipment, is the final link in the energy conversion of pressurized water. It determines the spray distance and fire-fighting effect of the water jet. Its performance directly affects the performance of the fire water monitor water jet. With the development of society, the factors leading to fire have also increased significantly, and the fire situation has become more and more complicated. Fire water monitors can extinguish fires quickly and efficiently to prevent the spread of fire. Intelligent fire monitors refer to fire monitors that use high-tech to automatically locate the source of fire and accurately extinguish fires.

[0003] In the prior art, a Chinese patent with publication number CN217908702U discloses a fire water monitor, including an intelligent water monitor body and a disassembly assembly component. A disassembly assembly component for facilitating disassembly and assembly by staff is arranged on the upper part of the outer portion of the intelligent water monitor body. The disassembly assembly component includes a fixed plate, an inner mounting groove, butterfly bolts, a side mounting plate and an installation block. An inner mounting groove is provided on the outer wall at the bottom end of the fixed plate, and butterfly bolts are installed on both sides of the inner mounting groove. Mounting side plates are arranged on both sides of the fixed plate, and an installation block is installed inside the inner mounting groove.

[0004] The spray head of a traditional water cannon is generally fixed or installed through a threaded structure. This method is not convenient for disassembly and replacement of the spray head and has a narrow scope of application. Therefore, we propose a fire-fighting water cannon with a quick-replacement nozzle to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a fire-fighting water cannon with a quick-change nozzle to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a fire-fighting water cannon with a quick-change nozzle, comprising a flange, one end of the flange is fixedly connected to a mounting pipe, the bottom end of the mounting pipe is fixedly connected to a shell, a movable opening is opened on one side of the shell, a connecting pipe is movably arranged in the movable opening, one end of the connecting pipe is fixedly connected to a mounting assembly, and the mounting assembly is clamped with a spray head;

[0007] An infrared sensor and a smart camera are fixedly mounted on both sides of the connecting tube, and an ultraviolet sensor is fixedly mounted on one side of the bottom end of the shell.

[0008] Preferably, the movable opening is an L-shaped structure.

[0009] Preferably, a sealing ring is provided between the connecting pipe and the injection head.

[0010] Preferably, a peripheral side of one end of the injection head is fixedly connected to a plurality of clamping plates, and a plurality of positioning holes are formed on the clamping plates.

[0011] Preferably, the mounting assembly comprises a ring body, a movable rod, an arcuate strip, a snap-in groove, an annular cavity, a spring, a connecting ring and a clamping block. The ring body is coaxially fixedly connected to the end of the connecting pipe. A plurality of snap-in grooves are provided at one end of the ring body. A snap-in plate is slidably engaged in the snap-in groove. A clamping block is movably arranged in the snap-in groove. The clamping block is snap-fitted with a positioning hole. One end of the clamping block is fixedly connected to one end of the movable rod. The movable rod is slidably connected to the ring body. An annular cavity is hollowly provided in the other side of the ring body. A connecting ring is slidably provided in the annular cavity. The connecting ring is fixedly connected to the movable rod. A spring is movably sleeved outside the movable rod. One end of the spring is fixedly connected to the inner wall of the annular cavity. The other end of the spring is fixedly connected to the connecting ring. The end of the movable rod away from the clamping block is fixedly connected to the arcuate strip, and the arcuate strip is movably arranged outside the ring body.

[0012] Preferably, the clamping grooves are evenly distributed around the circumference, the clamping grooves are L-shaped structures, and the arc-shaped strips are crescent-shaped structures.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the spray head is fixedly connected by installing the assembly, which facilitates the rapid disassembly and replacement of the spray head. Compared with the traditional threaded structure connection method, the steps of the rotation operation are reduced, and the replacement efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from another perspective;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation assembly in the utility model;

[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: shell 1, flange 2, mounting tube 3, movable port 4, UV sensor 5, connecting tube 6, infrared sensor 7, smart camera 8, mounting assembly 9, ring body 91, movable rod 92, arc strip 93, snap-fit ​​groove 94, annular cavity 95, spring 96, connecting ring 97, block 98, injection head 10, snap-fit ​​plate 101, positioning hole 102, sealing ring 11. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] Reference Figure 1 , 2 , which is the first embodiment of the utility model, and provides a fire-fighting water cannon with a quick-change nozzle, comprising a flange 2, one end of the flange 2 is fixedly connected to a mounting pipe 3, the bottom end of the mounting pipe 3 is fixedly connected to a shell 1, a movable opening 4 is opened on one side of the shell 1, a connecting pipe 6 is movably arranged in the movable opening 4, one end of the connecting pipe 6 is fixedly connected to a mounting assembly 9, and a spray head 10 is clamped on the mounting assembly 9;

[0022] An infrared sensor 7 and a smart camera 8 are fixedly mounted on both sides of the connecting tube 6 , and an ultraviolet sensor 5 is fixedly mounted on one side of the bottom end of the housing 1 .

[0023] It is fixed on the fire water pipe through the flange 2 and bolts, and the connecting pipe 6 is adjusted along the movable port 4 through the driving device to adjust the pitch angle, so that the water spraying angle of the spray head 10 can be adjusted, the ultraviolet sensor 5 monitors the fire, and the infrared sensor 7 locates the fire position, and then cooperates with the smart camera 8. The smart camera 8 uses a camera with fire monitoring function to further improve the accuracy of fire position positioning. When the spray head 10 needs to be replaced, the installation component 9 can be operated to remove the spray head 10, and then the spray head 10 of different flow types can be replaced. It can be applied to more scenes and improves the overall applicability.

[0024] Example 2

[0025] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. Specifically, the movable port 4 is an L-shaped structure, and the movable port 4 provides a moving space for adjusting the connecting pipe 6.

[0026] Specifically, a sealing ring 11 is provided between the connecting pipe 6 and the injection head 10 , and the sealing ring 11 ensures the sealing performance of the connection between the connecting pipe 6 and the injection head 10 .

[0027] Specifically, a plurality of clamping plates 101 are fixedly connected to the periphery of one end of the injection head 10 , and a plurality of positioning holes 102 are formed on the clamping plates 101 .

[0028] Specifically, the mounting assembly 9 includes a ring body 91, a movable rod 92, an arc strip 93, a snap groove 94, an annular cavity 95, a spring 96, a connecting ring 97, and a clamping block 98. The ring body 91 is coaxially fixedly connected to the end of the connecting pipe 6. A plurality of snap grooves 94 are provided at one end of the ring body 91. A snap plate 101 is slidably engaged in the snap groove 94. A clamping block 98 is movably provided in the snap groove 94. The clamping block 98 is engaged with the positioning hole 102. One end of the clamping block 98 is fixedly connected to the movable rod 92. At one end, a movable rod 92 is slidably connected to the ring body 91, and an annular cavity 95 is hollowly provided on the other side of the ring body 91. A connecting ring 97 is slidably provided in the annular cavity 95, and the connecting ring 97 is fixedly connected to the movable rod 92. A spring 96 is movably sleeved outside the movable rod 92, one end of the spring 96 is fixedly connected to the inner wall of the annular cavity 95, and the other end of the spring 96 is fixedly connected to the connecting ring 97. The end of the movable rod 92 away from the block 98 is fixedly connected to the arc strip 93, and the arc strip 93 is movably arranged outside the ring body 91.

[0029] Furthermore, the clamping grooves 94 are evenly distributed around the circumference, the clamping grooves 94 are L-shaped structures, and the arc strips 93 are crescent-shaped structures. When the spray head 10 needs to be replaced, the installation assembly 9 is operated to pull the arc strips 93, and the arc strips 93 drive the fixed movable rod 92 to move, and the movable rod 92 drives the fixed connecting ring 97 to slide in the annular cavity 95, and at the same time, the connecting ring 97 compresses the spring 96, and the clamping block 98 fixed to the end of the movable rod 92 follows the movement, and the clamping block 98 is disengaged from the clamping of the positioning hole 102, and then retracts into the annular cavity 95. At this time, when the spray head 10 is rotated, the spray head 10 drives the fixed clamping plate 101 to move in the clamping groove 94. After the clamping plate 101 rotates to the opening position of the clamping groove 94, the clamping plate 101 is disengaged from the opening of the clamping groove 94, and the spray head 10 can be removed, and then the spray head 10 of different flow types can be replaced, which can be applied to more scenes and improve the overall applicability.

[0030] Example 3

[0031] Reference Figure 1-4, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When in use, the flange 2 is fixedly installed on the fire water pipe with bolts. The connecting pipe 6 is adjusted along the movable port 4 by the driving device to adjust the pitch angle, so that the water spraying angle of the spray head 10 is adjusted. The ultraviolet sensor 5 monitors the fire, and the infrared sensor 7 locates the fire position. In combination with the smart camera 8, the smart camera 8 uses a camera with a fire monitoring function to further improve the accuracy of the fire position positioning. When the spray head 10 needs to be replaced, the installation component 9 is first operated to pull the arc bar 93, and the arc bar 93 drives the fixed movable rod 92 moves, the movable rod 92 drives the fixed connecting ring 97 to slide in the annular cavity 95, and the connecting ring 97 compresses the spring 96, and the clamping block 98 fixed to the end of the movable rod 92 follows the movement, and the clamping block 98 disengages from the clamping of the positioning hole 102, and then retracts into the annular cavity 95. At this time, when the injection head 10 is rotated, the injection head 10 drives the fixed clamping plate 101 to move in the clamping groove 94. After the clamping plate 101 rotates to the opening position of the clamping groove 94, the clamping plate 101 is disengaged from the opening of the clamping groove 94, and the injection head 10 can be removed, and then the injection head 10 of different flow types can be replaced, which can be applied to more scenarios and improves the overall applicability.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-fighting water monitor with a quick-change nozzle, comprising a flange (2), characterized in that: One end of the flange (2) is fixedly connected to the mounting tube (3), the bottom end of the mounting tube (3) is fixedly connected to the housing (1), a movable opening (4) is provided on one side of the housing (1), a connecting tube (6) is movably provided in the movable opening (4), one end of the connecting tube (6) is fixedly connected to a mounting assembly (9), and the mounting assembly (9) is clamped with an injection head (10); An infrared sensor (7) and an intelligent camera (8) are fixedly mounted on both sides of the connecting tube (6), and an ultraviolet sensor (5) is fixedly mounted on one side of the bottom end of the housing (1).

2. The fire-fighting water monitor with a quick-change nozzle according to claim 1, characterized in that: The movable opening (4) is an L-shaped structure.

3. The fire-fighting water monitor with a quick-change nozzle according to claim 1, characterized in that: A sealing ring (11) is provided between the connecting pipe (6) and the injection head (10).

4. The fire-fighting water monitor with a quick-change nozzle according to claim 1, characterized in that: A plurality of clamping plates (101) are fixedly connected to the peripheral side of one end of the injection head (10), and a plurality of positioning holes (102) are provided on the clamping plates (101).

5. The fire-fighting water monitor with a quick-change nozzle according to claim 4 is characterized in that: The mounting assembly (9) comprises a ring body (91), a movable rod (92), an arc strip (93), a snap-fit ​​groove (94), an annular cavity (95), a spring (96), a connecting ring (97), and a snap-fit ​​block (98). The ring body (91) is coaxially fixedly connected to the end of the connecting pipe (6). A plurality of snap-fit ​​grooves (94) are provided at one end of the ring body (91). A snap-fit ​​plate (101) is slidably snap-fitted in the snap-fit ​​groove (94). A snap-fit ​​block (98) is movably provided in the snap-fit ​​groove (94). The snap-fit ​​block (98) is snap-fitted with a positioning hole (102). One end of the snap-fit ​​block (98) is fixedly connected to one end of the movable rod (92). At the side end, the movable rod (92) is slidably connected to the ring body (91), and the other side of the ring body (91) is hollowly provided with an annular cavity (95), and a connecting ring (97) is slidably provided in the annular cavity (95), and the connecting ring (97) is fixedly connected to the movable rod (92), and a spring (96) is movably sleeved outside the movable rod (92), one end of the spring (96) is fixedly connected to the inner wall of the annular cavity (95), and the other end of the spring (96) is fixedly connected to the connecting ring (97), and the end of the movable rod (92) away from the block (98) is fixedly connected to the arc strip (93), and the arc strip (93) is movably arranged outside the ring body (91).

6. The fire-fighting water monitor with a quick-change nozzle according to claim 5, characterized in that: The clamping grooves (94) are evenly distributed around the circumference, the clamping grooves (94) are of an L-shaped structure, and the arc-shaped strips (93) are of a crescent-shaped structure.

Images