Novel spray head for perfluorohexanone steam fire extinguishing device

Abstract

The utility model relates to the technical field of spray heads, and discloses a novel spray head for a perfluorohexanone steam fire extinguishing device, which comprises a spray head main body, a T-shaped groove is arranged on the upper surface of the spray head main body, air spray holes are arranged on the left side and the right side of the spray head main body, and water spray holes are arranged on the left side and the right side of the spray head main body. A T-shaped groove is formed in the inner wall of the base, a piston is arranged on the inner wall of the T-shaped groove in an attached mode, a stepped hole is formed in the piston, spiral springs are fixedly connected to the top of the inner wall of the stepped hole and the bottom of the inner wall of the T-shaped groove, a spraying pipe is arranged on the inner wall of the T-shaped groove in an attached mode, and a fixing column is fixedly connected to the surface of the spraying pipe. Through the cooperation of the spray head main body, the spray pipe, the fixed column, the clamping groove, the positioning ring, the positioning groove, the first cylinder, the reset bracket, the strip-shaped hole and the arc-shaped plate, the spray head can be disassembled and assembled without using a tool, so that the spray head is more convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzles, in particular to a novel nozzle for a perfluorohexanone water-gas fire extinguishing device. Background Art

[0002] Perfluorohexanone is a liquid at room temperature. Its heat of evaporation is only 1 / 25 of that of water, and its vapor pressure is 25 times that of water. These properties make it easy to vaporize and exist in a gaseous state. It mainly relies on heat absorption to achieve the effect of fire extinguishing. In terms of environmental protection, it is a truly green and environmentally friendly fire extinguishing agent.

[0003] At present, the new type of nozzle for perfluorohexanone water gas fire extinguishing device is usually composed of a nozzle body, a spring, a piston, an air jet hole and a water spray hole. For example, a dual-medium nozzle for energy storage power station disclosed in Chinese patent announcement number CN216439873U, when it is necessary to spray low-pressure perfluorohexanone gas, the low-pressure perfluorohexanone gas will not push the cylindrical piston in the nozzle, so that the perfluorohexanone gas can be sprayed out through the air jet port on the nozzle. When it is necessary to spray high-pressure water mist, the high-pressure water will push the cylindrical piston in the nozzle downward, so that the high-pressure water mist can be sprayed out through the water spray port on the nozzle, so that the perfluorohexanone gas and the high-pressure water mist can be sprayed from two different nozzles. However, since the nozzle and the nozzle on the fire extinguishing device are usually connected by threads, when disassembling the nozzle, it is necessary to use tools to tighten or loosen the nozzle, which makes the nozzle more troublesome when disassembling. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, since the nozzle and the nozzle on the fire extinguishing device are usually connected by threads, when disassembling the nozzle, it is necessary to use tools to tighten or loosen the nozzle, which makes the nozzle more troublesome when disassembling. A new nozzle for a perfluorohexanone water vapor fire extinguishing device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel nozzle for a perfluorohexanone water-gas fire extinguishing device comprises a nozzle body, wherein a T-shaped groove is provided on the upper surface of the nozzle body, and jet holes are provided on the left and right sides of the nozzle body, and water spray holes are provided on the left and right sides of the nozzle body, and a piston is fitted on the inner wall of the T-shaped groove, and a stepped hole is provided inside the piston, and a coil spring is fixedly connected to the bottom of the piston and the bottom of the inner wall of the T-shaped groove, and a nozzle is fitted on the inner wall of the T-shaped groove, and a fixed column is fixedly connected to the surface of the nozzle, and a clamping groove is provided on the side of the fixed column away from the nozzle, and a positioning ring is fitted on the surface of the nozzle, and a positioning groove is provided on the inner wall of the positioning ring, and the inner wall of the positioning groove contacts the surface of the fixed column, and a first cylinder is fixedly connected to the surface of the positioning ring and the upper surface of the nozzle body, and a reset bracket is fixedly connected to the surface of the first cylinder, and a strip hole is provided inside the first cylinder, and an arc plate is fixedly connected to the inner wall of the reset bracket, and the inner wall of the strip hole and the inner wall of the clamping groove are in contact with the surface of the arc plate.

[0007] Preferably, the air jet hole and the water jet hole are both connected to the T-shaped groove, and the air jet hole is located below the water jet hole.

[0008] Preferably, the reset bracket includes a second cylinder, the surface of the first cylinder contacts the inner wall of the second cylinder, the inner wall of the second cylinder is fixedly connected to the surface of the arc plate, the surface of the second cylinder is fixedly connected to a clockwork spring, the surface of the clockwork spring is fixedly connected to a fixing ring, and the upper surface of the fixing ring and the surface of the second cylinder are both fixedly connected to a connecting ring.

[0009] Preferably, a through hole is provided at the bottom of the nozzle body, the through hole is communicated with the T-shaped slot, a sliding column is fitted on the inner wall of the through hole, a buffer plate is fixedly connected to the upper surface of the sliding column, a buffer air cushion is bonded to the bottom of the sliding column, a U-shaped plate is bonded to the bottom of the buffer air cushion, and the upper surface of the U-shaped plate is fixedly connected to the bottom of the nozzle body.

[0010] Preferably, a first sealing ring is provided on the surface of the sliding column, and an upper surface of the first sealing ring is bonded to the bottom of the nozzle body.

[0011] Preferably, an annular groove is provided on the surface of the nozzle, and a second sealing ring is provided in close contact with the inner wall of the annular groove and the inner wall of the T-shaped groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model provides a nozzle body, a nozzle, a fixing column, a slot, a positioning ring, a positioning groove, a first cylinder, a reset bracket, a strip hole and an arc plate, wherein when the arc plate contacts the slot, the spring on the reset bracket prevents the arc plate and the slot from being automatically separated, and the nozzle body is fixed to the nozzle through the cooperation of the arc plate, the slot, the fixing column and the positioning groove. When the arc plate is separated from the slot, the nozzle body can be directly separated from the nozzle, and at the same time, the second cylinder on the reset bracket can be directly rotated, and then through the cooperation of the nozzle body, the nozzle, the fixing column, the slot, the positioning ring, the positioning groove, the first cylinder, the reset bracket, the strip hole and the arc plate, the nozzle can be disassembled and assembled without using tools, thereby making the nozzle more convenient to disassemble and assemble.

[0014] (2) The utility model reduces the impact force exerted on the inside of the nozzle by high-pressure water when entering the nozzle through the cooperation of the through hole, the sliding column, the buffer plate, the buffer air cushion and the U-shaped plate, thereby preventing the nozzle from being damaged due to the high impact force exerted on the nozzle when the high-pressure water enters the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Sectional view at AA;

[0017] Figure 3 It is a schematic diagram of the interior of the nozzle body of the utility model;

[0018] Figure 4 It is a front view of the nozzle of the utility model;

[0019] Figure 5 It is a top view of the positioning ring of the utility model;

[0020] Figure 6 It is a side view of the first cylinder of the utility model;

[0021] Figure 7 It is a front view of the resetting bracket of the utility model.

[0022] In the figure: 1. nozzle body; 2. T-shaped groove; 3. jet hole; 4. water spray hole; 5. piston; 6. stepped hole; 7. spiral spring; 8. nozzle; 9. fixing column; 10. slot; 11. positioning ring; 12. positioning groove; 13. first cylinder; 14. reset bracket; 141. second cylinder; 142. spring; 143. fixing ring; 144. connecting ring; 15. strip hole; 16. arc plate; 17. through hole; 18. sliding column; 19. buffer plate; 20. buffer air cushion; 21. U-shaped plate; 22. first sealing ring; 23. annular groove; 24. second sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Embodiment 1:

[0026] Reference Figure 1-7A novel nozzle for a perfluorohexanone water-gas fire extinguishing device comprises a nozzle body 1, a T-shaped groove 2 is provided on the upper surface of the nozzle body 1, jet holes 3 are provided on the left and right sides of the nozzle body 1, water spray holes 4 are provided on the left and right sides of the nozzle body 1, the jet holes 3 and the water spray holes 4 are communicated with the T-shaped groove 2, the jet holes 3 are located below the water spray holes 4, a piston 5 is provided on the inner wall of the T-shaped groove 2, a stepped hole 6 is provided inside the piston 5, a spiral spring 7 is fixedly connected to the top of the inner wall of the stepped hole 6 and the bottom of the inner wall of the T-shaped groove 2, and the piston 5 is pressed by the spiral spring 7 When the nozzle is spraying perfluorohexanone gas, the gas pressure of the perfluorohexanone gas is low, so that the perfluorohexanone gas will not push the piston 5 to move downward. At this time, the perfluorohexanone gas passes through the stepped hole 6 and then sprays out from the jet hole 3. When the nozzle sprays high-pressure water, the high-pressure water moves downward through the piston 5. At this time, the jet hole 3 is closed by the downwardly moving piston 5, and water is sprayed out from the water spray hole 4. The inner wall of the T-shaped groove 2 is fitted with a nozzle 8, and the surface of the nozzle 8 is provided with an annular groove 23. The inner wall of the annular groove 23 is in contact with the T-shaped groove 2. The inner wall of each nozzle 8 is fitted with a second sealing ring 24, and the contact surface between the nozzle 8 and the T-shaped groove 2 is sealed by the second sealing ring 24. The surface of the nozzle 8 is fixedly connected with a fixing column 9, and a clamping groove 10 is provided on the side of the fixing column 9 away from the nozzle 8. The surface of the nozzle 8 is fitted with a positioning ring 11, and a positioning groove 12 is provided on the inner wall of the positioning ring 11. The inner wall of the positioning groove 12 contacts the surface of the fixing column 9. When the positioning groove 12 contacts the fixing column 9, the nozzle 8 cannot rotate in the positioning ring 11 through the cooperation of the positioning groove 12 and the fixing column 9, and the surface of the positioning ring 11 A first cylinder 13 is fixedly connected to the upper surface of the nozzle body 1, a reset bracket 14 is fixedly connected to the surface of the first cylinder 13, a strip hole 15 is opened inside the first cylinder 13, an arc plate 16 is fixedly connected to the inner wall of the reset bracket 14, the inner wall of the strip hole 15 and the inner wall of the slot 10 are in contact with the surface of the arc plate 16, when the arc plate 16 is in contact with the slot 10, the fixing column 9 cannot be moved out of the positioning groove 12 through the cooperation of the arc plate 16 and the slot 10, when the arc plate 16 is separated from the slot 10, the fixing column 9 can be moved out of the positioning groove 12.

[0027] The reset bracket 14 includes a second cylinder 141, the surface of the first cylinder 13 contacts the inner wall of the second cylinder 141, the inner wall of the second cylinder 141 is fixedly connected to the surface of the arc plate 16, the surface of the second cylinder 141 is fixedly connected with a clockwork spring 142, the surface of the clockwork spring 142 is fixedly connected with a fixing ring 143, the upper surface of the fixing ring 143 and the surface of the second cylinder 141 are both fixedly connected with a connecting ring 144, when the arc plate 16 contacts the slot 10, the clockwork spring 142 prevents the arc plate 16 and the slot 10 from being automatically separated.

[0028] Embodiment 2:

[0029] Reference Figure 1-3 A through hole 17 is provided at the bottom of the nozzle body 1, and the through hole 17 is communicated with the T-shaped slot 2. A sliding column 18 is fitted on the inner wall of the through hole 17, and a first sealing ring 22 is fitted on the surface of the sliding column 18. The upper surface of the first sealing ring 22 is bonded to the bottom of the nozzle body 1, and the contact surface between the sliding column 18 and the through hole 17 is sealed by the first sealing ring 22. A buffer plate 19 is fixedly connected to the upper surface of the sliding column 18, and a buffer air cushion 20 is bonded to the bottom of the sliding column 18. A U-shaped plate 21 is bonded to the bottom of the buffer air cushion 20, and the upper surface of the U-shaped plate 21 is fixedly connected to the bottom of the nozzle body 1.

[0030] Through the cooperation of the through hole 17, the sliding column 18, the buffer plate 19, the buffer air cushion 20 and the U-shaped plate 21, the impact force exerted on the inside of the nozzle by the high-pressure water when entering the nozzle is weakened, so that when the high-pressure water enters the nozzle, the nozzle will not be damaged due to the high impact force on the nozzle.

[0031] In the utility model, when installing the nozzle, the user first inserts the fixing column 9 on the nozzle 8 into the positioning groove 12, and inserts the arc plate 16 into the slot 10 through the spring spring 142 on the reset bracket 14. At this time, the nozzle body 1 can be fixed on the nozzle 8 through the cooperation of the arc plate 16, the slot 10, the fixing column 9 and the positioning groove 12. When the nozzle is spraying perfluorohexanone gas, the gas pressure of the perfluorohexanone gas is low during the spraying, so that the perfluorohexanone gas will not push the piston 5 to move downward. At this time, the perfluorohexanone gas After passing through the stepped hole 6, it is sprayed out from the air jet hole 3. When the nozzle sprays high-pressure water, the high-pressure water moves downward through the piston 5. At this time, the air jet hole 3 is closed by the downwardly moving piston 5, and water is sprayed out from the water jet hole 4. At the same time, after the spraying is completed, the piston 5 is automatically returned to the initial position by the spiral spring 7. When the user needs to disassemble the nozzle, the arc plate 16 is moved in the strip hole 15 by rotating the second cylinder 141. When the arc plate 16 is separated from the slot 10, the nozzle 8 can be directly separated from the first cylinder 13.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device, comprising a nozzle body (1), characterized in that: The upper surface of the nozzle body (1) is provided with a T-shaped groove (2), the left and right sides of the nozzle body (1) are provided with air injection holes (3), the left and right sides of the nozzle body (1) are provided with water injection holes (4), the inner wall of the T-shaped groove (2) is fitted with a piston (5), the interior of the piston (5) is provided with a stepped hole (6), the top of the inner wall of the stepped hole (6) and the bottom of the inner wall of the T-shaped groove (2) are fixedly connected with a coil spring (7), the inner wall of the T-shaped groove (2) is fitted with a nozzle (8), the surface of the nozzle (8) is fixedly connected with a fixing column (9), and the fixing column (9) is provided with a slot (10) on a side away from the nozzle (8). A positioning ring (11) is fitted on the surface of the nozzle (8), a positioning groove (12) is provided on the inner wall of the positioning ring (11), the inner wall of the positioning groove (12) contacts the surface of the fixing column (9), the surface of the positioning ring (11) and the upper surface of the nozzle body (1) are both fixedly connected with a first cylinder (13), the surface of the first cylinder (13) is fixedly connected with a reset bracket (14), a strip hole (15) is provided inside the first cylinder (13), the inner wall of the reset bracket (14) is fixedly connected with an arc plate (16), the inner wall of the strip hole (15) and the inner wall of the slot (10) are both in contact with the surface of the arc plate (16).

2. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device according to claim 1, characterized in that: The air jet hole (3) and the water jet hole (4) are both communicated with the T-shaped groove (2), and the air jet hole (3) is located below the water jet hole (4).

3. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device according to claim 1, characterized in that: The reset bracket (14) comprises a second cylinder (141), the surface of the first cylinder (13) contacts the inner wall of the second cylinder (141), the inner wall of the second cylinder (141) is fixedly connected to the surface of the arc plate (16), the surface of the second cylinder (141) is fixedly connected to a spring (142), the surface of the spring (142) is fixedly connected to a fixing ring (143), and the upper surface of the fixing ring (143) and the surface of the second cylinder (141) are both fixedly connected to a connecting ring (144).

4. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device according to claim 1, characterized in that: A through hole (17) is provided at the bottom of the nozzle body (1), the through hole (17) is communicated with the T-shaped groove (2), a sliding column (18) is provided on the inner wall of the through hole (17), a buffer plate (19) is fixedly connected to the upper surface of the sliding column (18), a buffer air cushion (20) is bonded to the bottom of the sliding column (18), a U-shaped plate (21) is bonded to the bottom of the buffer air cushion (20), and the upper surface of the U-shaped plate (21) is fixedly connected to the bottom of the nozzle body (1).

5. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device according to claim 4, characterized in that: A first sealing ring (22) is provided on the surface of the sliding column (18), and the upper surface of the first sealing ring (22) is bonded to the bottom of the nozzle body (1).

6. A novel nozzle for a perfluorohexanone water vapor fire extinguishing device according to claim 1, characterized in that: The surface of the nozzle (8) is provided with an annular groove (23), and the inner wall of the annular groove (23) and the inner wall of the T-shaped groove (2) are both fitted with a second sealing ring (24).

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