High-explosion-proof foam release nozzle

Abstract

The utility model discloses a high explosion-proof foam release nozzle, which comprises an air inlet pipe and a nozzle, the nozzle is arranged on one side of the air inlet pipe, the nozzle is Y-shaped, a reversing assembly is arranged in the nozzle, the reversing assembly comprises four valve seats fixedly connected with the top and the bottom of the nozzle, and the four valve seats are fixedly connected with the air inlet pipe. The two opposite valve seats are rotationally connected with valve plates through bearings, the two valve plates are located in two branches of the nozzle correspondingly, the outer walls of the tops of the two valve seats at the top are fixedly sleeved with the same mounting box, and worm wheels are coaxially fixed to one ends of rotating shafts of the two valve plates correspondingly. According to the spray nozzle, the reversing assembly is arranged, when one channel of the spray nozzle is damaged, the channel can be rapidly replaced with a new channel, and therefore the situation that the spraying effect is reduced due to the fact that the channel of the spray nozzle is damaged is avoided, and meanwhile the replacement efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of fire extinguishing equipment technology, specifically a high explosion-proof foam release nozzle. Background Technology

[0002] The working principle of high explosion-proof foam release nozzles is mainly based on foam fire extinguishing technology. When the foam mixture is delivered to the nozzle through the pipeline, the mixture inside the nozzle is fully mixed with the air it draws in, forming a diffused atomized jet. Therefore, the proper functioning of the nozzle is of paramount importance.

[0003] A search revealed a utility model patent with Chinese patent publication number CN203886081U, which discloses a radial foam fire extinguishing nozzle. The device includes a nozzle body with a blind-hole shaped water passage inside. A first radial nozzle groove is located on the bottom side of the nozzle body and communicates with the water passage. Multiple splash plates are fixedly installed on the upper edge of the first radial nozzle groove.

[0004] As described above, the foam formed by the nozzle will be sprayed outward through the nozzle, and therefore will be subject to considerable pressure. If it breaks during use, it may cause problems such as leakage of extinguishing agent, and there is room for improvement. Utility Model Content

[0005] The purpose of this invention is to provide a high explosion-proof foam release nozzle to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high explosion-proof foam release nozzle, comprising an air inlet pipe and a nozzle, wherein the nozzle is located on one side of the air inlet pipe and is Y-shaped, and a reversing assembly is installed inside the nozzle, the reversing assembly comprising four valve seats fixedly connected to the top and bottom of the nozzle, and two opposing valve seats are rotatably connected to a valve plate via a bearing, the two valve plates being respectively located in two branches of the nozzle, and the same mounting box is fixedly fitted on the top outer wall of the two top valve seats, and a worm gear is coaxially fixed at one end of the rotating shaft of each of the two valve plates.

[0007] As a further preferred embodiment of this technical solution, a horizontally arranged transmission rod is rotatably connected inside the mounting box via a bearing. Two worm gears are coaxially fixed to the outer circumference of the transmission rod, and the two worm gears mesh with two worm wheels respectively. A wheel is coaxially fixed to one end of the transmission rod.

[0008] When one channel of the nozzle is damaged, a new channel can be quickly replaced, thus avoiding a decrease in spraying effect due to nozzle channel damage. At the same time, the replacement efficiency is improved, preventing the timely control of the fire from being affected by excessive replacement time. If one channel of the nozzle is damaged, the transmission rod can be rotated by controlling the knob. The two worm gears outside the transmission rod will also rotate synchronously. The worm gears drive the two worm wheels to rotate synchronously through meshing, which in turn causes the two valve plates connected to the worm wheels to flip synchronously. The valve plate of the damaged channel of the nozzle intercepts the foam mixture, while the valve plate of the new channel no longer intercepts the extinguishing agent. The extinguishing agent will continue to be sprayed outward from the new channel, which avoids extinguishing agent leakage and ensures the range of the extinguishing agent.

[0009] As a further preferred embodiment of this technical solution, the same expansion assembly is installed between the air intake pipe and the nozzle. The expansion assembly includes a rotary joint that is fixedly sleeved at one end of the air intake pipe, one end of the nozzle that is fixedly inserted into the inner circumferential wall of the rotary joint's rotating pipe, and a toothed ring that is coaxially fixed on one side of the outer circumferential wall of the nozzle.

[0010] As a further preferred embodiment of this technical solution, a horizontally arranged motor is fixedly installed on the top of the outer circumference of the air intake pipe, and a gear is coaxially fixed at the output end of the motor, the gear meshing with a gear ring.

[0011] When the motor at the top of the air intake pipe is started, the output end of the motor drives the gear to rotate rapidly. The gear meshes and drives the gear ring to rotate. Subsequently, the rotating ends of the nozzle and the rotary joint will be driven to rotate synchronously by the gear ring. Since the outlet of the nozzle is located on one side of the air intake pipe, the extinguishing agent will revolve around the air intake pipe, ensuring the range of the extinguishing agent while increasing the coverage area and improving the extinguishing efficiency.

[0012] As a further preferred embodiment of this technical solution, a liquid inlet pipe is provided at both ends of the outer circumference of the air inlet pipe, and both liquid inlet pipes are connected to the air inlet pipe.

[0013] As a further preferred embodiment of this technical solution, several reinforcing ribs are fixedly sleeved on the outside of the two support rods of the nozzle, and several reversing components that are close to each other are fixedly connected with several connecting ribs.

[0014] As a further preferred embodiment of this technical solution, both the air intake pipe and the nozzle are made of stainless steel.

[0015] This utility model provides a highly explosion-proof foam release nozzle, which has the following beneficial effects:

[0016] (1) By setting a reversing component, this utility model can quickly replace a new channel when one channel of the nozzle is damaged, thereby avoiding the reduction of spray effect caused by the damage of the nozzle channel. At the same time, the replacement efficiency is improved, and the timely control of the fire can be prevented due to the long replacement time. For example, if one channel of the nozzle is damaged, the transmission rod can be rotated by controlling the knob, and the two worm gears outside the transmission rod will also rotate synchronously. The worm gears drive the two worm wheels to rotate synchronously through meshing, thereby causing the two valve plates connected to the worm wheels to flip synchronously. The valve plate of the damaged channel of the nozzle intercepts the foam mixture, and the valve plate of the new channel no longer intercepts the extinguishing agent. The extinguishing agent will continue to be sprayed outward from the new channel, which avoids the leakage of the extinguishing agent and ensures the range of the extinguishing agent.

[0017] (2) By setting up an extension component, the motor at the top of the air inlet pipe is started. The output end of the motor drives the gear to rotate rapidly. The gear drives the gear ring to rotate through meshing. Then the rotating end of the nozzle and the rotary joint will be driven to rotate synchronously by the gear ring. Since the outlet of the nozzle is located on one side of the air inlet pipe, the extinguishing agent will revolve around the air inlet pipe, ensuring the range of the extinguishing agent while increasing the coverage area and improving the extinguishing efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall first-view structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall second-view structure of this utility model;

[0020] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point B;

[0022] In the diagram: 1. Air inlet pipe; 2. Liquid inlet pipe; 3. Nozzle; 4. Reinforcing rib; 5. Connecting rib; 6. Reversing assembly; 7. Extension assembly; 601. Valve plate; 602. Mounting box; 603. Worm gear; 604. Transmission rod; 605. Worm; 701. Rotary joint; 702. Gear ring; 703. Motor; 704. Gear. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] This utility model provides a technical solution: such as Figure 1 , Figure 2 and Figure 4As shown, in this embodiment, a high explosion-proof foam release nozzle includes an air inlet pipe 1 and a nozzle 3. The nozzle 3 is located on one side of the air inlet pipe 1 and is Y-shaped. A reversing assembly 6 is installed inside the nozzle 3. A liquid inlet pipe 2 is provided at both ends of the outer circumference of the air inlet pipe 1. Both liquid inlet pipes 2 are connected to the air inlet pipe 1. The reversing assembly 6 includes four valve seats fixedly connected to the top and bottom of the nozzle 3. Two opposing valve seats are rotatably connected to a valve plate 601 through a bearing. The two valve plates 601 are respectively located in two branches of the nozzle 3. The same mounting box 602 is fixedly sleeved on the top outer wall of the two valve seats. A worm gear 603 is coaxially fixed at one end of the rotating shaft of each of the two valve plates 601.

[0025] Inside the mounting box 602, a horizontally arranged transmission rod 604 is rotatably connected via bearings. Two worm gears 605 are coaxially fixed to the outer circumference of the transmission rod 604. The two worm gears 605 mesh with two worm wheels 603 respectively, and a wheel is coaxially fixed to one end of the transmission rod 604.

[0026] If one of the channels of nozzle 3 is damaged, as long as the transmission rod 604 is rotated by controlling the knob, the two worm gears 605 outside the transmission rod 604 will also rotate synchronously. The worm gears 605 drive the two worm wheels 603 to rotate synchronously through meshing, thereby causing the two valve plates 601 connected to the worm wheels 603 to flip synchronously. The valve plate 601 of the damaged channel of nozzle 3 intercepts the foam mixture, and the valve plate 601 of the new channel no longer intercepts the extinguishing agent. The extinguishing agent will continue to be sprayed outward from the new channel, which avoids the leakage of the extinguishing agent and ensures the range of the extinguishing agent.

[0027] like Figure 2 and Figure 3 As shown, the same extension assembly 7 is installed between the intake pipe 1 and the nozzle 3. The extension assembly 7 includes a rotary joint 701 fixedly sleeved at one end of the intake pipe 1, one end of the nozzle 3 fixedly inserted into the inner circumference of the rotary joint 701 rotating pipe, and a toothed ring 702 coaxially fixed on one side of the outer circumference of the nozzle 3.

[0028] A horizontally mounted motor 703 is fixedly installed on the top of the outer circumference of the intake pipe 1. A gear 704 is coaxially fixed at the output end of the motor 703, and the gear 704 meshes with the gear ring 702.

[0029] The motor 703 at the top of the air intake pipe 1 is started. The output end of the motor 703 drives the gear 704 to rotate rapidly. The gear 704 drives the gear ring 702 to rotate through meshing. Subsequently, the rotating ends of the nozzle 3 and the rotary joint 701 will be driven to rotate synchronously by the gear ring 702. Since the outlet of the nozzle 3 is located on one side of the air intake pipe 1, the extinguishing agent will revolve around the air intake pipe 1, which can ensure the range of the extinguishing agent and increase the coverage area, thereby improving the extinguishing efficiency.

[0030] like Figure 1 As shown, several reinforcing ribs 4 are fixedly sleeved on the outside of the two support rods of the nozzle 3, which can increase the explosion-proof performance of the nozzle 3. Several reversing components 6 that are close to each other are fixedly connected with several connecting ribs 5, so that the several reinforcing ribs 4 can support each other, making the explosion-proof performance better.

[0031] like Figure 1 and Figure 2 As shown, both the intake pipe 1 and the nozzle 3 are made of stainless steel. Stainless steel has excellent corrosion resistance and durability, and can withstand high pressure and temperature.

[0032] This utility model provides a high explosion-proof foam release nozzle, the specific working principle of which is as follows:

[0033] When the device is working, the foam mixture enters the air inlet pipe 1 through two inlet pipes 2, and the high-speed airflow from outside enters through the port of the air inlet pipe 1. After the two are fully mixed inside the air inlet pipe 1, they are then sprayed outward from one opening of the nozzle 3. If one of the channels of the nozzle 3 is damaged, as long as the transmission rod 604 is rotated by controlling the knob, the two worm gears 605 outside the transmission rod 604 will also rotate synchronously. The worm gears 605 drive the two worm wheels 603 to rotate synchronously through meshing, thereby causing the two valve plates 601 connected to the worm wheels 603 to flip synchronously. The valve plate 601 of the damaged channel of the nozzle 3 intercepts the foam mixture, and a new channel is opened. The valve plate 601 no longer intercepts the extinguishing agent, which will continue to be sprayed outward through a new channel. This avoids leakage of the extinguishing agent and ensures the range of the extinguishing agent. Then, the motor 703 at the top of the air intake pipe 1 is started. The output end of the motor 703 drives the gear 704 to rotate rapidly. The gear 704 drives the gear ring 702 to rotate through meshing. Subsequently, the rotating ends of the nozzle 3 and the rotary joint 701 will be driven to rotate synchronously by the gear ring 702. Since the outlet of the nozzle 3 is located on one side of the air intake pipe 1, the extinguishing agent will revolve around the air intake pipe 1. This ensures the range of the extinguishing agent and increases the coverage area, thereby improving the extinguishing efficiency.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-explosion-proof foam discharge nozzle comprising an air inlet pipe (1) and a nozzle (3), characterized in that: The nozzle (3) is located on one side of the air inlet pipe (1), the nozzle (3) is provided in Y type, the reversing assembly (6) is internally arranged in the nozzle (3), the reversing assembly (6) comprises four valve seats fixedly connected at the top and bottom of the nozzle (3), and the two opposite valve seats are rotatably connected with the valve plate (601) through bearings, the two valve plates (601) are arranged in the two branches of the nozzle (3) respectively, and the outer wall of the top two valve seats is fixedly sleeved with the same mounting box (602), and the rotating shaft of the two valve plates (601) is coaxially fixed with a worm wheel (603).

2. A high-explosion-proof foam discharge nozzle according to claim 1, characterized in that: The mounting box (602) is internally rotatably connected with the horizontally arranged transmission rod (604) through bearings, the circumferential outer wall of the transmission rod (604) is coaxially fixed with two worm gears (605), the two worm gears (605) are meshed with the two worm wheels (603) respectively, and the transmission rod (604) is coaxially fixed with a wheel disc at one end.

3. A high-explosion-proof foam discharge nozzle according to claim 1, characterized in that: The air inlet pipe (1) and the nozzle (3) are provided with the same expansion assembly (7), the expansion assembly (7) comprises a rotary joint (701) fixedly sleeved at one end of the air inlet pipe (1), the nozzle (3) is fixedly inserted into the rotary joint (701) in the circumferential inner wall of the rotating pipe, and the circumferential outer wall of the nozzle (3) is coaxially fixed with a gear ring (702) on one side.

4. A high-explosion-proof foam discharge nozzle according to claim 3, characterized in that: The air inlet pipe (1) is provided with the horizontally arranged motor (703) fixedly installed on the top of the circumferential outer wall, the motor (703) is coaxially fixed with the gear (704) at the output end, and the gear (704) is meshed with the gear ring (702).

5. A high-explosion-proof foam discharge nozzle according to claim 1, characterized in that: The air inlet pipe (1) is provided with the liquid inlet pipe (2) at both ends of the circumferential outer wall, and the two liquid inlet pipes (2) are communicated with the air inlet pipe (1).

6. A high-explosion-proof foam discharge nozzle according to claim 1, characterized in that: The nozzle (3) is provided with the reinforcing ribs (4) fixedly sleeved outside the two branches, and the reversing assemblies (6) close to each other are fixedly connected with the connecting ribs (5).

7. A high-explosion-proof foam discharge nozzle according to claim 6, characterized in that: The air inlet pipe (1) and the nozzle (3) are made of stainless steel.

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