Smoke exhausting and ventilating device for fire engineering

Abstract

The utility model discloses a fire-fighting engineering smoke exhausting and ventilating device, which relates to the technical field of fire-fighting facilities and comprises a case, a fan is fixedly connected to the lower inner wall of the case, an air inlet pipe is fixedly connected to one side of the fan, an auxiliary air pipe is fixedly connected to the other end of the air inlet pipe, and the auxiliary air pipe is fixedly connected to the other side of the fan. A main air pipe is fixedly connected to the end, opposite to the air inlet pipe, of the auxiliary air pipe, a filter screen is arranged on the inner surface of the main air pipe, a scraping rod is arranged on the outer surface of the filter screen, the top end of the scraping rod penetrates through the main air pipe and is fixedly connected with a connecting rod, and two fixing blocks are fixedly connected to the top of the outer surface of the connecting rod; a motor is fixedly connected to the top end of the machine box, a gear is fixedly connected to the output end of the motor, gear teeth are connected to the outer surface of the gear in a meshed mode, and a circulating frame is fixedly connected to one end of the gear teeth; the smoke exhausting and ventilating device for the fire engineering can effectively remove dust and cool the device when the device works.

Description

Technical Field

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

[0002] "Firefighting" means eliminating hidden dangers and preventing disasters (i.e. preventing and solving man-made, natural and accidental disasters encountered by people in the process of life, work and study). It mainly includes the rescue of personnel at the fire scene, the rescue of important facilities and equipment, cultural relics, the security and rescue of important property, and the extinguishing of fires. The purpose is to reduce the degree of damage caused by fire, reduce casualties and property losses. When it comes to firefighting, ventilation and smoke exhaust devices of firefighting engineering will be used.

[0003] However, the prior art still has the following problems:

[0004] First of all, the smoke exhaust devices currently on the market need to wait until the device is finished working before they can be cleaned. Too much dust accumulates in the pipes during operation, which will reduce the smoke exhaust efficiency of the device and increase the difficulty of rescue by the fire brigade.

[0005] Secondly, the smoke exhaust devices currently on the market cannot be cooled down in time due to the high temperature at the fire scene, and long-term high-temperature operation will affect the service life of the device.

[0006] In view of the above problems, the inventor proposes a fire protection engineering smoke exhaust ventilation device to solve the above problems. Utility Model Content

[0007] In order to solve the problem of cleaning dust and timely cooling the device when the device is working; the purpose of the utility model is to provide a smoke exhaust ventilation device for fire protection engineering.

[0008] To solve the above technical problems, the utility model adopts the following technical scheme: a fire protection engineering smoke exhaust ventilation device, comprising a case, one side of the case is provided with a case door, the outer surface of the case door is fixedly connected to a handle, the lower inner wall of the case is fixedly connected to a fan, one side of the fan is fixedly connected to an air inlet duct, the other side of the fan is provided with an air outlet duct, the outlet duct passes through the case and extends to the outside of the case, the top of the air inlet duct is fixedly connected to a secondary air duct, the secondary air duct is fixedly connected to one side of the inner wall of the case and passes through the case, the end of the secondary air duct facing away from the air inlet duct is fixedly connected to the main air duct, the top of the main air duct is provided with a scraping opening, two dust outlets are provided on both sides of the bottom end of the main air duct, the bottom end of the dust outlet is provided with a smoke box, the outer surfaces of the two smoke boxes are provided with fixing frames, the tops of the two fixing frames The end is fixedly connected to the bottom end of the main air duct, the inner surface of the main air duct is provided with a filter screen, the outer surface of the filter screen is provided with a scraper rod, the top of the scraper rod passes through the main air duct and is fixedly connected to a connecting rod, the top of the outer surface of the connecting rod is fixedly connected to two fixed blocks, the top of the chassis is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear, the outer surface of the gear is meshingly connected with gear teeth, one end of the gear teeth is fixedly connected to a circulation frame, the two sides of the outer surface of the circulation frame are slidably connected to two fixing rods, the bottom ends of the two fixing rods are fixedly connected to the top of the main air duct. When the device is working, the output end of the motor drives the gear to rotate, the gear drives the circulation frame to make reciprocating motion, the circulation frame drives the connecting rod to reciprocate, and the connecting rod drives the scraper rod to reciprocate, thereby effectively cleaning the smoke and dust on the filter plate.

[0009] Preferably, a water tank is fixedly connected to the other side of the bottom end of the inner surface of the chassis, the water tank is cylindrical, and a box cover is clamped on the top of the water tank, a main water pipe is fixedly connected to the outer surface of the water tank, a water pump is fixedly connected to the end of the main water pipe facing away from the water tank, a secondary water pipe is fixedly connected to the end of the water pump facing away from the main water pipe, the secondary water pipe passes through the secondary air duct and extends to the inside of the secondary air duct, and a nozzle is fixedly connected to the end located inside the secondary air duct, and a plurality of water outlets are provided on the outer surface of the nozzle. When the device is overheated, the water pump will turn on, and the inner surface of the secondary air duct will be sprayed by the nozzle to achieve a cooling effect.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model is provided with a motor, which drives the gear to rotate, and the gear drives the circulation frame to reciprocate, the circulation frame hits the fixed block, and drives the connecting rod located on the fixed block to reciprocate, and the connecting rod drives the scraper rod to reciprocate, so that dust can be effectively removed;

[0012] 2. The utility model is provided with a water pump. When the water pump is turned on, the water in the water tank will be transmitted to the water pump through the main water pipe, then transmitted to the auxiliary water pipe through the water pump, and finally transmitted to the nozzle through the auxiliary water pipe, and sprayed onto the inner surface of the auxiliary air duct, thereby achieving a cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below 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.

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

[0015] Figure 2 It is a schematic cutaway diagram of the chassis of the utility model.

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0017] Figure 4 It is a schematic cutaway diagram of the main air duct of the utility model.

[0018] Figure 5 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0019] In the figure: 1. chassis; 2. handle; 3. cabinet door; 4. main air duct; 5. fan; 6. air inlet duct; 7. air outlet duct; 8. auxiliary air duct; 9. water tank; 91. cabinet cover; 92. auxiliary water pipe; 93. nozzle; 94. water outlet; 95. water pump; 96. main water pipe; 10. dust outlet; 11. filter; 12. scraper rod; 13. fixing bracket; 14. dust box; 15. scraper mouth; 16. fixing rod; 17. motor; 18. gear teeth; 19. gear; 20. connecting rod; 21. circulation rack; 22. fixing block. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1: Figure 1-5As shown, the utility model provides a smoke exhaust ventilation device for fire protection engineering, including a chassis 1, a fan 5 is fixedly connected to the lower inner wall of the chassis 1, one side of the fan 5 is fixedly connected to an air inlet pipe 6, the top of the air inlet pipe 6 is fixedly connected to an auxiliary air duct 8, the auxiliary air duct 8 is fixedly connected to one side of the inner wall of the chassis 1 and penetrates the chassis 1, and the end of the auxiliary air duct 8 facing away from the air inlet pipe 6 is fixedly connected to the main air duct 4, the inner surface of the main air duct 4 is provided with a filter screen 11, the outer surface of the filter screen 11 is provided with a scraper rod 12, the top of the scraper rod 12 penetrates the main air duct 4 and is fixedly connected to a connecting rod 20, the top of the outer surface of the connecting rod 20 is fixedly connected to two fixed blocks 22, the top of the chassis 1 is fixedly connected to a motor 17, the output end of the motor 17 is fixedly connected to a gear 19, the outer surface of the gear 19 is meshed with gear teeth 18, one end of the gear teeth 18 is fixedly connected to a circulation frame 21, and two fixing rods 16 are slidably connected to the two sides of the outer surface of the circulation frame 21, and the bottom ends of the two fixing rods 16 are fixedly connected to the top of the main air duct 4.

[0022] An air outlet duct 7 is provided on the other side of the fan 5 . The air outlet duct 7 penetrates the chassis 1 and extends to the outside of the chassis 1 .

[0023] By adopting the above technical solution, the room can be effectively ventilated.

[0024] Two dust outlets 10 are provided on both sides of the bottom end of the main air duct 4 , and a dust box 14 is provided at the bottom end of the dust outlet 10 . The outer surfaces of the two dust boxes 14 are provided with fixing frames 13 , and the top ends of the two fixing frames 13 are fixedly connected to the bottom end of the main air duct 4 .

[0025] By adopting the above technical solution, when the smoke and dust need to be processed, the smoke and dust box 14 can be removed and the smoke and dust in the box can be poured out.

[0026] A scraper opening 15 is provided at the top of the main air duct 4 .

[0027] By adopting the above technical solution, the scraper rod 12 can extend into the main air duct 4 through the scraper opening 15 to clean the filter screen 11 .

[0028] A case door 3 is provided on one side of the case 1 , and a handle 2 is fixedly connected to the outer surface of the case door 3 .

[0029] By adopting the above technical solution, it is more convenient when the device needs to be repaired or maintained.

[0030] Embodiment 2: Figure 2-3 As shown, a water tank 9 is fixedly connected to the other side of the bottom end of the inner surface of the chassis 1, a main water pipe 96 is fixedly connected to the outer surface of the water tank 9, an end of the main water pipe 96 facing away from the water tank 9 is fixedly connected to a water pump 95, an end of the water pump 95 facing away from the main water pipe 96 is fixedly connected to a secondary water pipe 92, the secondary water pipe 92 passes through the secondary air duct 8 and extends to the inside of the secondary air duct 8, and one end located inside the secondary air duct 8 is fixedly connected to a nozzle 93.

[0031] By adopting the above technical solution, when the water pump 95 is turned on, the water in the water tank 9 will be transmitted to the water pump 95 through the main water pipe 96, and then transmitted to the auxiliary water pipe 92 through the water pump 95, and finally transmitted to the nozzle 93 through the auxiliary water pipe 92, and sprayed onto the inner surface of the auxiliary air duct 8, thereby achieving a cooling effect.

[0032] A plurality of water outlets 94 are formed on the outer surface of the nozzle 93 .

[0033] By adopting the above technical solution, water can be sprayed more evenly into the auxiliary air duct 8.

[0034] The water tank 9 is cylindrical, and a tank cover 91 is clamped on the top of the water tank 9 .

[0035] By adopting the above technical solution, when the water tank 9 is empty, it can be replenished in time through the tank cover 91.

[0036] Working principle: When a fire occurs and smoke exhaust ventilation is required, the fan 5 will be turned on, and the smoke will be transmitted to the auxiliary air duct 8 through the main air duct 4 through the filter 11, and then transmitted to the air inlet duct 6 through the auxiliary air duct 8, and then transmitted to the fan 5 through the air inlet duct 6, and then transmitted to the outside of the chassis 1 through the air outlet 7. After the motor 17 is turned on, the output end of the motor 17 will drive the gear 19 to rotate, the gear 19 will drive the gear 18 to reciprocate, the gear 18 will drive the circulation frame 21 to reciprocate, and the circulation frame 21 will drive the fixed block 22 Reciprocating motion, because of the fixing effect of the fixed rod 16, the reciprocating motion of the circulation frame 21 is more stable, the fixed block 22 drives the connecting rod 20 to reciprocate, and the connecting rod 20 drives the scraper rod 12 to reciprocate, thereby achieving the dust removal effect, and then the smoke and dust in the dust box 14 can be taken out. When the device is overheated, the water pump 95 will start, and the water in the water tank 9 will be absorbed through the main water pipe 96, and then transmitted to the auxiliary water pipe 92 through the water pump 95, and then sprayed to the inner surface of the auxiliary air duct 8 through the nozzle 93 and the water outlet 94.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A smoke exhaust ventilation device for fire protection engineering, comprising a case (1), characterized in that: The lower inner wall of the case (1) is fixedly connected to a fan (5), one side of the fan (5) is fixedly connected to an air inlet pipe (6), the top end of the air inlet pipe (6) is fixedly connected to an auxiliary air pipe (8), the auxiliary air pipe (8) is fixedly connected to one side of the inner wall of the case (1) and penetrates the case (1), the end of the auxiliary air pipe (8) facing away from the air inlet pipe (6) is fixedly connected to a main air pipe (4), the inner surface of the main air pipe (4) is provided with a filter screen (11), the outer surface of the filter screen (11) is provided with a scraper rod (12), the top end of the scraper rod (12) penetrates the main air pipe (4) and is fixedly connected to the inner wall of the case (1). A connecting rod (20) is connected, and two fixing blocks (22) are fixedly connected to the top of the outer surface of the connecting rod (20); a motor (17) is fixedly connected to the top of the chassis (1); a gear (19) is fixedly connected to the output end of the motor (17); a gear (19) is meshingly connected to the outer surface of the gear (19); one end of the gear (18) is fixedly connected to a circulation frame (21); two fixing rods (16) are slidably connected to the two sides of the outer surface of the circulation frame (21); the bottom ends of the two fixing rods (16) are fixedly connected to the top of the main air duct (4).

2. A fire protection engineering smoke exhaust ventilation device as claimed in claim 1, characterized in that: A water tank (9) is fixedly connected to the other side of the bottom end of the inner surface of the chassis (1); a main water pipe (96) is fixedly connected to the outer surface of the water tank (9); a water pump (95) is fixedly connected to one end of the main water pipe (96) facing away from the water tank (9); a secondary water pipe (92) is fixedly connected to one end of the water pump (95) facing away from the main water pipe (96); the secondary water pipe (92) passes through the secondary air pipe (8) and extends to the inside of the secondary air pipe (8); and a nozzle (93) is fixedly connected to one end of the secondary water pipe (92) located inside the secondary air pipe (8).

3. A fire protection engineering smoke exhaust ventilation device as claimed in claim 1, characterized in that: An air outlet pipe (7) is provided on the other side of the fan (5), and the air outlet pipe (7) passes through the chassis (1) and extends to the outside of the chassis (1).

4. A fire protection engineering smoke exhaust ventilation device as claimed in claim 1, characterized in that: Two dust outlets (10) are provided on both sides of the bottom end of the main air duct (4), a smoke dust box (14) is provided at the bottom end of the dust outlet (10), and a fixing frame (13) is provided on the outer surface of the two smoke dust boxes (14), and the top ends of the two fixing frames (13) are fixedly connected to the bottom end of the main air duct (4).

5. A fire protection engineering smoke exhaust ventilation device as claimed in claim 1, characterized in that: The top end of the main air duct (4) is provided with a scraping opening (15).

6. A fire protection engineering smoke exhaust ventilation device as claimed in claim 1, characterized in that: A cabinet door (3) is provided on one side of the cabinet (1), and a handle (2) is fixedly connected to the outer surface of the cabinet door (3).

7. A fire protection engineering smoke exhaust ventilation device as claimed in claim 2, characterized in that: The outer surface of the spray head (93) is provided with a plurality of water outlets (94).

8. A fire protection engineering smoke exhaust ventilation device as claimed in claim 2, characterized in that: The water tank (9) is cylindrical, and a tank cover (91) is clamped on the top of the water tank (9).

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