Smoke exhaust device for fire engineering

Abstract

The utility model belongs to the field of smoke exhaust devices, and particularly relates to a smoke exhaust device for fire engineering, which comprises a smoke exhaust channel, the inner side of the smoke exhaust channel is fixedly connected with a filter screen I, the filter screen I is provided with a vibrating mechanism, the inner side of the smoke exhaust channel is fixedly connected with a plurality of support rods, and the support rods are arranged on the filter screen II. A motor is jointly arranged among the multiple supporting rods, a rotating shaft is fixedly connected to the tail end of an output shaft of the motor, fan blades are fixedly connected to the front section of a shaft body of the rotating shaft, a special-shaped rod is fixedly connected to the rear section of the shaft body of the rotating shaft, and a plurality of supports are fixedly connected to the inner side of the smoke discharging channel. The water tank is arranged at the bottom of the smoke exhaust channel, the hollow annular pipe is arranged on the inner side of the smoke exhaust channel and located in front of the fan, the nozzle is arranged on the hollow annular pipe, and in addition, the water tank and the hollow annular pipe are connected through the water pump and the pipeline, so that smoke can be cooled before being exhausted, and the fan is prevented from being damaged due to high temperature.

Description

Technical Field

[0001] The utility model belongs to the field of smoke exhaust devices, and in particular relates to a smoke exhaust device for fire protection engineering. Background Art

[0002] In fire protection projects, it is necessary to install automatic smoke exhaust devices in buildings to ensure that when an emergency such as a fire occurs, the thick smoke is discharged to the outside, thereby increasing the chances of people inside the building to escape and reducing the risk of road closures or poisoning due to thick smoke.

[0003] In the utility model patent with authorization announcement number CN216667892U, a ventilation and smoke exhaust device for fire protection engineering is disclosed, including a ventilation pipe, a fixing ring is fixedly installed on the right side of the ventilation pipe, and convex grooves are provided on both sides of the fixing ring and the inner wall of the ventilation pipe. A fixing plate is slidably connected inside the convex groove, and the two fixing plates are fixedly connected by a horizontal plate. A smoke sensor is fixedly installed on the front surface of the horizontal plate, and a smoke exhaust fan is fixedly installed on the back side of the horizontal plate.

[0004] However, when using existing smoke exhaust devices, the exhaust fan or blower is constantly affected by the heat in the smoke, which can easily cause heat damage. In addition, large particles in the smoke are not effectively treated and can be easily inhaled by the human body. Therefore, improvements are needed. Summary of the Invention

[0005] The purpose of the utility model is to provide a smoke exhaust device for fire protection engineering, which solves the problem that the existing smoke exhaust device is easily damaged by heat when in use because the exhaust fan or blower is continuously affected by the heat in the smoke, and also solves the problem that large particles in the smoke are not effectively treated and are easily inhaled by the human body.

[0006] The smoke exhaust device of claim 1, wherein the smoke exhaust channel is fixedly connected to a filter screen one inside the smoke exhaust channel, and a vibrating mechanism is provided on the filter screen one. The smoke exhaust channel is fixedly connected to a plurality of support rods, and a motor is commonly provided between the plurality of support rods. The end of the output shaft of the motor is fixedly connected to a rotating shaft, the front section of the shaft body of the rotating shaft is fixedly connected to fan blades, and the rear section of the shaft body of the rotating shaft is fixedly connected to a special-shaped rod. The inner side of the smoke exhaust channel is fixedly connected to a plurality of brackets, and the plurality of brackets are commonly fixedly connected to a hollow annular pipe, the inner ring wall of the hollow annular pipe is provided with a nozzle, the bottom of the smoke exhaust channel is fixedly connected to a water tank, and a water pump is fixedly installed on the outside of the smoke exhaust channel, the output end of the water pump is fixedly connected to a delivery pipe, the delivery pipe passes through the smoke exhaust channel and is connected to the hollow annular pipe, the input end of the water pump is fixedly connected to a water inlet pipe, and the water inlet pipe is connected to the water tank.

[0007] The principle of the utility model is that when in use, first remove the water filling plug, then inject clean water into the water tank, then the motor will drive the rotating shaft to rotate, and the rotating shaft will drive the fan blades to rotate, thereby achieving the effect of exhausting smoke, and large particles in the smoke will be effectively filtered by the filter screen one, and while the rotating shaft is rotating, the special-shaped rod on the rotating shaft will periodically hit the top pin, and the top pin will press the striker pin down, causing it to move horizontally and compress the spring, and when the special-shaped rod and the top pin are misaligned, the striker pin will reset under the action of the spring and hit the filter screen one, causing it to vibrate, thereby achieving the purpose of preventing the filter screen one from being blocked, ensuring the normal smoke exhaust of the smoke exhaust channel, and the water pump will draw the clean water in the water tank into the water inlet pipe, and then input it into the hollow annular tube through the delivery pipe, and then spray it out from the nozzle, thereby cooling the smoke to avoid damage to the fan due to high temperature.

[0008] The beneficial effects of the present invention are as follows: a filter is provided on the inner side of the smoke exhaust channel to intercept particulate matter in the smoke, and a vibrating mechanism is provided on the filter. In addition, a special-shaped rod is provided on the rotating shaft for fixing the fan blades. When the special-shaped rod rotates with the rotating shaft, it will periodically hit the top pin in the vibrating mechanism. The top pin applies force to the striker pin, and then under the action of the spring, the striker pin is reset, and then strikes the filter, thereby preventing the filter from being blocked and ensuring the normal smoke exhaust of the smoke exhaust channel.

[0009] By setting a water tank at the bottom of the smoke exhaust channel, and then setting a hollow ring pipe on the inner side of the smoke exhaust channel and in front of the fan, and the hollow ring pipe is equipped with a nozzle, and the water tank and the hollow ring pipe are connected by a water pump and a pipeline, the smoke can be cooled before being discharged to avoid damage to the fan due to high temperature.

[0010] Furthermore, a second filter screen is fixedly connected to the inner side of the water tank, and the second filter screen is made of stainless steel. The second filter screen can filter the clean water after use.

[0011] Furthermore, a water-adding plug is slidably connected to the side wall of the water tank, and a drain plug is slidably connected to the bottom of the water tank. The provision of the water-adding plug and the drain plug facilitates the inflow and outflow of water in the water tank.

[0012] Furthermore, the vibrating mechanism includes a hollow shell fixedly connected to the surface of filter screen 1. A striker pin is slidably connected to the interior of the hollow shell, and the striker pin contacts filter screen 1. A push pin is slidably connected to the interior of the upper end of the hollow shell, and the position of the push pin corresponds to the position of the special-shaped rod. By setting up the vibrating mechanism, filter screen 1 can be vibrated and struck.

[0013] Furthermore, a guide pin is fixedly connected to the inner wall of the hollow shell, the guide pin is slidably connected to the striker pin, and a spring is provided inside the guide pin. The provision of the guide pin has a guiding effect on the force-induced lateral movement of the striker pin.

[0014] Furthermore, one end of the spring is fixedly connected to the guide pin, and the other end of the spring is fixedly connected to the inner surface of the striker pin. The arrangement of the spring can assist in resetting the striker pin.

[0015] Furthermore, a limiting ring is fixedly connected to the middle section of the ejector pin, and the limiting ring contacts the inner surface of the hollow shell. The setting of the limiting ring has a limiting effect on the ejector pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a perspective view of the overall structure of a smoke exhaust device for fire protection engineering according to an embodiment of the present invention;

[0017] Figure 2 A smoke exhaust device for fire protection engineering according to an embodiment of the present invention Figure 1 A side sectional view of

[0018] Figure 3 A smoke exhaust device for fire protection engineering according to an embodiment of the present invention Figure 1 Front cross-sectional view of

[0019] Figure 4 A smoke exhaust device for fire protection engineering according to an embodiment of the present invention Figure 2 A magnified view of the vibrating mechanism;

[0020] Figure 5 A smoke exhaust device for fire protection engineering according to an embodiment of the present invention Figure 1 A three-dimensional diagram of the local structure. DETAILED DESCRIPTION

[0021] The following is further described in detail through specific implementation methods:

[0022] The figure marks in the drawings of the specification include: smoke exhaust channel 1, filter screen 1 2, vibrating mechanism 3, support rod 4, motor 5, rotating shaft 6, fan blade 7, special-shaped rod 8, bracket 9, hollow annular tube 10, nozzle 11, water tank 12, filter screen 2 13, water pump 14, delivery pipe 15, water inlet pipe 16, water filling plug 17, drainage plug 18, hollow shell 31, impact pin 32, guide pin 33, spring 34, ejector pin 35, and limit ring 36.

[0023] like Figure 1 、 Figure 3As shown, this embodiment provides a smoke exhaust device for fire protection engineering, including a smoke exhaust channel 1, a filter screen 2 is fixedly connected to the inner side of the smoke exhaust channel 1, a plurality of support rods 4 are fixedly connected to the inner side of the smoke exhaust channel 1, and a motor 5 is commonly arranged between the plurality of support rods 4. The end of the output shaft of the motor 5 is fixedly connected to a rotating shaft 6, the front section of the shaft body of the rotating shaft 6 is fixedly connected to a fan blade 7, and the rear section of the shaft body of the rotating shaft 6 is fixedly connected to a special-shaped rod 8.

[0024] like Figure 1 、 Figure 2 、 Figure 5 As shown, multiple brackets 9 are fixedly connected to the inside of the smoke exhaust channel 1. A hollow annular tube 10 is fixedly connected between the brackets 9. A nozzle 11 is provided on the inner wall of the hollow annular tube 10. A water tank 12 is fixedly connected to the bottom of the smoke exhaust channel 1. A second filter 13 is fixedly connected to the inside of the water tank 12. The second filter 13 is made of stainless steel. The second filter 13 filters the clean water after use. A water pump 14 is fixedly installed on the outside of the smoke exhaust channel 1. The output end of the water pump 14 is fixedly connected to a delivery pipe 15. The delivery pipe 15 runs through the smoke exhaust channel 1 and connects to the hollow annular tube 10. The input end of the water pump 14 is fixedly connected to a water inlet pipe 16, which connects to the water tank 12. A water supply plug 17 is slidably connected to the side wall of the water tank 12, and a drain plug 18 is slidably connected to the bottom of the water tank 12. The provision of the water supply plug 17 and the drain plug 18 facilitates the flow of water into and out of the water tank 12.

[0025] like Figure 3 、 Figure 4 As shown, a vibrating mechanism 3 is provided on the filter 2. The vibrating mechanism 3 includes a hollow shell 31 fixedly connected to the surface of the filter 2. A striker pin 32 is slidably connected to the interior of the hollow shell 31. The striker pin 32 contacts the filter 2. A push pin 35 is slidably connected to the interior of the upper end of the hollow shell 31, and the push pin 35 corresponds to the position of the special-shaped rod 8. The provision of the vibrating mechanism 3 allows the filter 2 to be vibrated and struck. A guide pin 33 is fixedly connected to the inner wall of the hollow shell 31. The guide pin 33 is slidably connected to the striker pin 32. A spring 34 is provided inside the guide pin 33. The provision of the guide pin 33 guides the transverse displacement of the striker 32 under force. One end of the spring 34 is fixedly connected to the guide pin 33, and the other end of the spring 34 is fixedly connected to the inner surface of the striker pin 32. The provision of the spring 34 assists in resetting the striker 32. The middle section of the pin body of the ejector pin 35 is fixedly connected to a limiting ring 36, which contacts the inner surface of the hollow shell 31. The setting of the limiting ring 36 has a limiting effect on the ejector pin 35.

[0026] The specific implementation process of the present invention is as follows: when in use, first remove the water plug 17, and then inject clean water into the water tank 12, and then the motor 5 will drive the rotating shaft 6 to rotate, and the rotating shaft 6 will drive the fan blades 7 to rotate, thereby achieving the effect of exhausting smoke, and the large particles in the smoke will be effectively filtered by the filter screen 2, and while the rotating shaft 6 rotates, the special-shaped rod 8 on the rotating shaft 6 will periodically hit the top pin 35, and the top pin 35 will press the striker 32 down, causing it to move horizontally and compress the spring 34, and when the special-shaped rod 8 and the top pin 35 are misaligned, the striker 32 will be reset under the action of the spring 34, and hit the filter screen 2, causing it to vibrate, thereby achieving the purpose of preventing the filter screen 2 from being blocked, ensuring the normal exhaust of the smoke exhaust channel 1, and the water pump 14 will draw the clean water in the water tank 12 into the water inlet pipe 16, and then input it into the hollow annular tube 10 through the delivery pipe 15, and then sprayed out by the nozzle 11, thereby cooling the smoke to prevent the fan from being damaged by high temperature.

[0027] This solution is to set a filter 2 on the inner side of the smoke exhaust channel 1 to intercept particulate matter in the smoke, and set a vibrating mechanism 3 on the filter 2. In addition, a special-shaped rod 8 is set on the rotating shaft 6 for fixing the fan blade 7. While the special-shaped rod 8 rotates with the rotating shaft 6, it will periodically hit the top pin 35 in the vibrating mechanism 3. The top pin 35 applies force to the striker 32, and then under the action of the spring 34, the striker 32 is reset, and then knocks the filter 2, thereby preventing the filter 2 from being blocked, and ensuring the normal smoke exhaust of the smoke exhaust channel 1.

[0028] A water tank 12 is provided at the bottom of the smoke exhaust channel 1, and a hollow annular pipe 10 is provided on the inner side of the smoke exhaust channel 1 and in front of the fan. The hollow annular pipe 10 is provided with a nozzle 11. In addition, the water tank 12 and the hollow annular pipe 10 are connected by a water pump 14 and a pipeline. In this way, the smoke can be cooled before being discharged to avoid damage to the fan due to high temperature.

[0029] It should be noted that, in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on specific circumstances.

[0030] The above is only an embodiment of the present invention, and the common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A smoke exhaust device for fire protection engineering, comprising a smoke exhaust channel, characterized in that: The inner side of the smoke exhaust channel is fixedly connected to a filter screen 1, and a vibrating mechanism is provided on the filter screen 1. A plurality of support rods are fixedly connected to the inner side of the smoke exhaust channel, and an electric motor is commonly provided between the plurality of support rods. The end of the output shaft of the motor is fixedly connected to a rotating shaft, the front section of the shaft body of the rotating shaft is fixedly connected to a fan blade, and the rear section of the shaft body of the rotating shaft is fixedly connected to a special-shaped rod. A plurality of brackets are fixedly connected to the inner side of the smoke exhaust channel, and a hollow annular pipe is commonly fixedly connected between the plurality of brackets. A nozzle is provided on the inner ring wall of the hollow annular pipe. The bottom of the smoke exhaust channel is fixedly connected to a water tank, and a water pump is fixedly installed on the outside of the smoke exhaust channel, and the output end of the water pump is fixedly connected to a delivery pipe, which passes through the smoke exhaust channel and is connected to the hollow annular pipe. The input end of the water pump is fixedly connected to a water inlet pipe, and the water inlet pipe is connected to the water tank.

2. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: A second filter screen is fixedly connected to the inner side of the water tank, and the second filter screen is made of stainless steel.

3. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The side wall of the water tank is slidably connected with a water-adding rubber plug, and the bottom of the water tank is slidably connected with a drainage rubber plug.

4. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The vibrating mechanism includes a hollow shell fixedly connected to a surface of the filter screen, a striker pin is slidably connected inside the hollow shell, the striker pin contacts the filter screen, a push pin is slidably connected inside the upper end of the hollow shell, and the push pin corresponds to the position of the special-shaped rod.

5. A smoke exhaust device for fire protection engineering according to claim 4, characterized in that: A guide pin is fixedly connected to the inner wall of the hollow shell, the guide pin is slidably connected to the striker pin, and a spring is arranged inside the guide pin.

6. A smoke exhaust device for fire protection engineering according to claim 5, characterized in that: One end of the spring is fixedly connected to the guide pin, and the other end of the spring is fixedly connected to the inner surface of the striker pin.

7. A smoke exhaust device for fire protection engineering according to claim 4, characterized in that: The middle section of the pin body of the ejector pin is fixedly connected to a limiting ring, and the limiting ring contacts the inner surface of the hollow shell.

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