Fire-fighting ventilation and smoke exhaust device with filtering function

Abstract

The utility model discloses a fire-fighting ventilation and smoke exhaust device with a filtering function, which relates to the technical field of fire-fighting ventilation and comprises a bottom plate, supports are fixedly connected to two sides of the top end of the bottom plate, a lifting component is arranged at one end of one support, and the other end of the other support is provided with a smoke outlet. The ends of the opposite faces of the two supports are jointly connected with a shell in a sliding mode, a ventilation assembly is arranged at one end of the shell, the upper end and the lower end of the rotating rod are rotationally connected with the upper inner wall and the lower inner wall of the shell correspondingly, a plurality of air outlets and air inlets are formed in the two ends of the shell correspondingly, and the ventilation assembly comprises a first motor; according to the fire-fighting ventilation and smoke exhaust device with the filtering function, indoor harmful gas can be filtered when exhausted, the air environment is prevented from being polluted, the smoke exhaust speed can be controlled according to the size of fire, and when the air exhaust device is installed, the air exhaust speed can be controlled according to the height of a window, and the air exhaust speed can be controlled according to the height of the window. And the height of the shell is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting ventilation, in particular to a fire-fighting ventilation and smoke exhaust device with filtering function. 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 their lives, work and studies). Of course, in its narrow sense, it means (extinguishing) fires in the early stages of people's understanding. After a fire occurs, thick smoke will be produced. When people inhale too much, they will faint or suffocate. Usually, a fire ventilation and smoke exhaust device is installed. At this time, a fire ventilation and smoke exhaust device with a filtering function is needed.

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

[0004] First, most of the existing fire smoke exhaust devices discharge harmful gases from the house to the outside, but cannot filter the harmful gases, so that the harmful gases may pollute the air environment when discharged to the outside, and the smoke exhaust device cannot control the speed of exhausting harmful gases from the room according to the size of the fire, which reduces the working efficiency of the smoke exhaust device;

[0005] Secondly, most of the existing fire smoke exhaust devices are not equipped with a lifting component. When the smoke exhaust device needs to be installed, the height of the smoke exhaust device cannot be adjusted according to the position of the window. It can only be installed on windows of the same height, which reduces the versatility of the smoke exhaust device.

[0006] In view of the above problems, the inventor proposes a fire-fighting ventilation and smoke exhaust device with filtering function to solve the above problems. Utility Model Content

[0007] In order to solve the problems that the smoke exhaust device has no filtering, cannot control the smoke exhaust speed and is inconvenient to install at windows of different heights; the purpose of the utility model is to provide a fire-fighting ventilation and smoke exhaust device with filtering function.

[0008] To solve the above technical problems, the utility model adopts the following technical scheme: a fire-fighting ventilation and smoke exhaust device with filtering function, comprising a bottom plate, both sides of the top end of the bottom plate are fixedly connected to brackets, one end of one of the brackets is provided with a lifting assembly, one end of the opposite surfaces of the two brackets is slidably connected to a shell, one end of the shell is provided with a ventilation assembly, the upper and lower ends of the rotating rod are respectively rotatably connected to the upper inner wall and the lower inner wall of the shell, and the two ends of the shell are respectively provided with a plurality of exhaust ports and air inlets, which is convenient for sucking in harmful air and discharging it after filtering. The ventilation assembly comprises a first motor, the first motor is located directly above the shell, the output end of the first motor passes through the shell and is fixedly connected to the rotating rod, the outer surface of the rotating rod is fixedly sleeved with a first bevel gear, the outer surface of the first bevel gear is meshingly connected with a second bevel gear, the lower inner wall of the shell is fixedly connected with a support plate, and one end of the second bevel gear passes through The support plate is fixedly connected to the exhaust fan, one end of the shell is fixedly connected to the cylinder, the output end of the cylinder is fixedly connected to a slider, and the slider is slidably connected to the shell, one end of the shell begins to have a slide groove, and the slide groove is used in conjunction with the slide groove, which is convenient for the telescopic plate to be lifted and lowered to control the discharge amount of harmful gases, one end of the slide is fixedly connected to the telescopic plate, and the bottom end of the telescopic plate is fixedly connected to the lower inner wall of the shell, one end of the shell is slidably connected to a filter plate, one end of the shell is provided with a slot, and the slot is used in conjunction with the filter plate, both sides of one end of the filter plate are fixedly connected to the limiting plates, both sides of one end of the shell are rotatably connected to the limiting blocks, and one end of the limiting plate begins to have a limiting groove used in conjunction with the limiting block, so as to facilitate the replacement and fixing of the filter plate, and the bottom end of the shell is fixedly connected to four telescopic rods distributed in a rectangular shape, and the bottom ends of the four telescopic rods are fixedly connected to the bottom plate, so that the shell is more stable when lifted and lowered.

[0009] Preferably, the lifting assembly includes a second motor, the second motor is located at one end of one of the brackets, the output end of the second motor passes through one of the brackets and is fixedly connected to a worm, the outer surface of the worm is meshed with a worm wheel, the inside of the worm wheel is fixedly sleeved with a rotating shaft, the top of the rotating shaft passes through one of the brackets and is fixedly connected with a screw rod, both ends of the shell are fixedly connected to moving blocks, the interior of one of the moving blocks is threadedly sleeved with the screw rod, and one of the moving blocks is slidably connected to one of the brackets, one end of one of the moving blocks is fixedly connected to a clamping block, one end of one of the brackets is provided with a clamping groove, and the clamping groove is used in conjunction with the clamping block to prevent the shell from flipping over during the lifting process, the interior of the other moving block is sleeved with a long rod, the two ends of the long rod are respectively fixedly connected to the upper inner wall and the lower inner wall of the other bracket, the upper and lower ends of the screw rod are respectively rotatably connected to the upper inner wall and the lower inner wall of one of the brackets, and the bottom end of the rotating shaft is rotatably connected to the bottom plate, which has the effect of supporting the lifting assembly.

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

[0011] 1. The utility model uses a smoke exhaust component, wherein the first motor, the screw rod, the exhaust fan, the filter plate and the cylinder can filter the harmful gas in the room when it is discharged to the outside to prevent the air environment from being polluted. The smoke exhaust speed can also be controlled according to the size of the fire, thereby achieving the effect of improving the working efficiency of the smoke exhaust device;

[0012] 2. The utility model uses a lifting assembly, in which the second motor, worm gear, worm, lead screw and moving block are used. When the smoke exhaust device needs to be installed at window positions of different heights, the height of the shell can be adjusted according to the height of the window, thereby achieving the effect of improving the versatility of the smoke exhaust device. 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 This is a schematic diagram of the shell structure of the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the exhaust assembly of the utility model.

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

[0018] Figure 5 This is a schematic diagram of the structure of the lifting component of the utility model.

[0019] In the figure: 1. bottom plate; 2. ventilation assembly; 3. lifting assembly; 4. telescopic rod; 5. air inlet; 6. housing; 7. air outlet; 8. slot; 9. slide; 11. bracket; 21. slider; 22. telescopic plate; 23. cylinder; 24. filter plate; 25. support plate; 26. rotating rod; 27. exhaust fan; 28. second bevel gear; 29. ​​first bevel gear; 201. first motor; 202. limit plate; 203. limit block; 31. long rod; 32. worm; 33. rotating shaft; 34. worm gear; 35. second motor; 36. moving block; 37. block; 38. slot; 39. screw rod. 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 1-4 As shown, the utility model provides a fire-fighting ventilation and smoke exhaust device with filtering function, including a bottom plate 1, both sides of the top of the bottom plate 1 are fixedly connected with brackets 11, one end of one of the brackets 11 is provided with a lifting assembly 3, one end of the opposite surfaces of the two brackets 11 are slidably connected with a shell 6, one end of the shell 6 is provided with a ventilation assembly 2, the ventilation assembly 2 includes a first motor 201, the first motor 201 is located directly above the shell 6, the output end of the first motor 201 passes through the shell 6 and is fixedly connected with a rotating rod 26, and the outer surface of the rotating rod 26 is fixedly sleeved with a first bevel gear 29, The outer surface of the first bevel gear 29 is meshedly connected with the second bevel gear 28, the lower inner wall of the housing 6 is fixedly connected with the support plate 25, one end of the second bevel gear 28 penetrates the support plate 25 and is fixedly connected with the exhaust fan 27, one end of the housing 6 is fixedly connected with the cylinder 23, the output end of the cylinder 23 is fixedly connected with the slider 21, and the slider 21 is slidably connected with the housing 6, one end of the slider 21 is fixedly connected with the telescopic plate 22, and the bottom end of the telescopic plate 22 is fixedly connected with the lower inner wall of the housing 6, and one end of the housing 6 is slidably connected with the filter plate 24. When the fire ventilation device needs to be in a fire, When it is needed for the drill, the first motor 201 is started, the output end of the first motor 201 rotates to drive the rotating rod 26 to rotate, the rotating rod 26 drives the first bevel gear 29 to rotate, the first bevel gear 29 drives the second bevel gear 28 to rotate, and the second bevel gear 28 drives the exhaust fan 27 to rotate under the support of the support plate 25. At this time, the harmful gas in the room enters the shell 6 through the multiple air inlets 5 opened by the shell 6, and then is filtered through the filter plate 24, and finally is discharged to the outside from the multiple exhaust ports 7. When the fire is large, the cylinder 23 can be started, and the cylinder 23 can be turned on. The output end drives the slider 21 to slide in the slide groove 9 opened in the shell 6, and the slider 21 drives the telescopic plate 22 to descend, so that harmful gases in the room can be quickly discharged. When the filter plate 24 needs to be replaced, the two limit blocks 203 are rotated to align with the limit grooves opened by the two limit plates 202 fixedly connected to the filter plate 24, and the filter plate 24 can be taken out from the slot 8 opened in the shell 6 for replacement, so that the smoke exhaust device can filter the harmful gases in the room when discharging to prevent pollution of the air environment, and can also control the smoke exhaust speed according to the size of the fire, thereby achieving the effect of improving the working efficiency of the smoke exhaust device.

[0022] The upper and lower ends of the rotating rod 26 are rotatably connected to the upper inner wall and the lower inner wall of the outer shell 6 respectively. A plurality of air outlets 7 and air inlet 5 are respectively formed at the two ends of the outer shell 6 .

[0023] By adopting the above technical solution, harmful air can be easily sucked in, filtered and then discharged.

[0024] A slide groove 9 is formed at one end of the housing 6 , and the slide groove 9 cooperates with the slider 21 for use.

[0025] By adopting the above technical solution, the telescopic plate 22 can be easily raised and lowered to control the discharge amount of harmful gases.

[0026] A slot 8 is provided at one end of the shell 6, and the slot 8 is used in conjunction with the filter plate 24. Both sides of one end of the filter plate 24 are fixedly connected to the limiting plate 202. Both sides of one end of the shell 6 are rotatably connected to the limiting block 203, and one end of the limiting plate 202 begins to have a limiting groove used in conjunction with the limiting block 203.

[0027] By adopting the above technical solution, it is convenient to replace and fix the filter plate 24.

[0028] Four telescopic rods 4 distributed in a rectangular shape are fixedly connected to the bottom end of the housing 6 , and the bottom ends of the four telescopic rods 4 are fixedly connected to the bottom plate 1 .

[0029] By adopting the above technical solution, the housing 6 is made more stable when being lifted or lowered.

[0030] Embodiment 2: Figure 5As shown, the lifting assembly 3 includes a second motor 35, which is located at one end of one of the brackets 11, and the output end of the second motor 35 passes through one of the brackets 11 and is fixedly connected to a worm 32, and the outer surface of the worm 32 is meshedly connected to a worm wheel 34, and the interior of the worm wheel 34 is fixedly sleeved with a rotating shaft 33, and the top of the rotating shaft 33 passes through one of the brackets 11 and is fixedly connected to a screw rod 39, and both ends of the housing 6 are fixedly connected to moving blocks 36, the interior of one of the moving blocks 36 is threadedly sleeved with the screw rod 39, and one of the moving blocks 36 is slidably connected to one of the brackets 11, and the interior of the other moving block 36 is sleeved with a long rod 31, and the two ends of the long rod 31 are respectively fixedly connected to the upper inner wall and the lower inner wall of the other bracket 11. When the smoke exhaust device needs to be installed on windows of different heights, the second motor 35 is started according to the height of the window, and the output end of the second motor 35 rotates to drive the worm 32 to rotate The worm 32 drives the worm wheel 34 to rotate, and the worm wheel 34 drives the rotating shaft 33 to rotate. The rotating shaft 33 drives the screw rod 39 to rotate between the upper and lower inner walls of one of the brackets 11, and the screw rod 39 drives one of the moving blocks 36 to rise and fall. Because one end of one of the moving blocks 36 is fixedly connected to a card block 37, and one end of one of the brackets 11 is provided with a card slot 38, and the card slot 38 is used in conjunction with the card block 37, one of the moving blocks 36 will not flip over during the lifting process, and one of the moving blocks 36 drives the shell 6 to rise and fall, and the other moving block 36 follows the shell 6 to be driven and lifted on the long rod 31 fixedly connected to the upper and lower inner walls of the other bracket 11. At this time, the four telescopic rods 4 also follow the shell 6 to be driven and lifted at the same time, so that the shell 6 is more stable during the lifting process, until the shell 6 is lifted to a suitable height, thereby achieving the effect of improving the versatility of the smoke exhaust device.

[0031] By adopting the above technical solution, the height of the housing 6 can be adjusted.

[0032] One end of one of the moving blocks 36 is fixedly connected to a clamping block 37 , and one end of one of the brackets 11 is provided with a clamping slot 38 , and the clamping slot 38 is used in conjunction with the clamping block 37 .

[0033] By adopting the above technical solution, the housing 6 is prevented from turning over during the lifting process.

[0034] The upper and lower ends of the screw rod 39 are rotatably connected to the upper inner wall and the lower inner wall of one of the brackets 11 , respectively, and the bottom end of the rotating shaft 33 is rotatably connected to the bottom plate 1 .

[0035] By adopting the above technical solution, the lifting component 3 is supported.

[0036] Working principle: When the fire ventilation device needs to be used in case of fire or drill, the first motor 201 is started, the output end of the first motor 201 rotates to drive the rotating rod 26 to rotate, the rotating rod 26 drives the first bevel gear 29 to rotate, the first bevel gear 29 drives the second bevel gear 28 to rotate, and the second bevel gear 28 drives the exhaust fan 27 to rotate under the support of the support plate 25. At this time, the harmful gas in the room enters the outer shell 6 through the multiple air inlets 5 opened by the outer shell 6, and then is filtered by the filter plate 24, and finally discharged to the outside from the multiple exhaust ports 7. When the fire is large, the cylinder 23 can be started, and the output end of the cylinder 23 drives the slider 21 to slide in the slide groove 9 provided in the shell 6, and the slider 21 drives the telescopic plate 22 to descend, so that the harmful gas in the room can be quickly discharged. When the filter plate 24 needs to be replaced, the two limit blocks 203 are rotated to align with the limit grooves provided by the two limit plates 202 fixedly connected to the filter plate 24, and the filter plate 24 can be taken out from the slot 8 provided in the shell 6 for replacement, so that the smoke exhaust device can filter the harmful gas in the room when it is discharged to prevent the air environment from being polluted, and the smoke exhaust speed can also be controlled according to the size of the fire. Thereby, the working efficiency of the smoke exhaust device is improved. When the smoke exhaust device needs to be installed on windows of different heights, the second motor 35 is started according to the height of the window. The output end of the second motor 35 rotates to drive the worm 32 to rotate, the worm 32 drives the worm wheel 34 to rotate, the worm wheel 34 drives the rotating shaft 33 to rotate, the rotating shaft 33 drives the screw rod 39 to rotate between the upper and lower inner walls of one of the brackets 11, and the screw rod 39 drives one of the moving blocks 36 to rise and fall. One end of one of the moving blocks 36 is fixedly connected with a clamping block 37, wherein A card slot 38 is provided at one end of one bracket 11, and the card slot 38 is used in conjunction with the card block 37, so that one of the moving blocks 36 will not flip over during the lifting process. One of the moving blocks 36 drives the shell 6 to lift, and the other moving block 36 follows the shell 6 to be driven and lifted on the long rod 31 fixedly connected to the inner walls of the upper and lower sides of the other bracket 11. At this time, the four telescopic rods 4 also follow the shell 6 to be driven and lifted at the same time, making the shell 6 more stable during the lifting process until the shell 6 is lifted to a suitable height, thereby achieving the effect of improving the versatility of the smoke exhaust device.

[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 fire-fighting ventilation and smoke exhaust device with filtering function, comprising a bottom plate (1), characterized in that: Both sides of the top of the bottom plate (1) are fixedly connected to brackets (11), one end of one of the brackets (11) is provided with a lifting assembly (3), and one end of the opposite surfaces of the two brackets (11) is slidably connected to a housing (6), and one end of the housing (6) is provided with a ventilation assembly (2); The ventilation assembly (2) comprises a first motor (201), the first motor (201) is located directly above the housing (6), the output end of the first motor (201) passes through the housing (6) and is fixedly connected to a rotating rod (26), the outer surface of the rotating rod (26) is fixedly sleeved with a first bevel gear (29), the outer surface of the first bevel gear (29) is meshingly connected to a second bevel gear (28), the lower inner wall of the housing (6) is fixedly connected to a support plate (25), and the second bevel gear (28) is meshingly connected to the outer surface of the first bevel gear (29). One end of the wheel (28) passes through the support plate (25) and is fixedly connected to the exhaust fan (27); one end of the outer shell (6) is fixedly connected to the cylinder (23); the output end of the cylinder (23) is fixedly connected to the slider (21), and the slider (21) is slidably connected to the outer shell (6); one end of the slider (21) is fixedly connected to the telescopic plate (22), and the bottom end of the telescopic plate (22) is fixedly connected to the lower inner wall of the outer shell (6); one end of the outer shell (6) is slidably connected to the filter plate (24).

2. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 1, characterized in that: The lifting assembly (3) comprises a second motor (35), the second motor (35) is located at one end of one of the brackets (11), the output end of the second motor (35) passes through one of the brackets (11) and is fixedly connected to a worm (32), the outer surface of the worm (32) is meshedly connected to a worm wheel (34), the interior of the worm wheel (34) is fixedly sleeved with a rotating shaft (33), the top end of the rotating shaft (33) passes through one of the brackets (11) and is fixedly connected to a screw rod (39), both ends of the housing (6) are fixedly connected to moving blocks (36), the interior of one of the moving blocks (36) is threadedly sleeved with the screw rod (39), and one of the moving blocks (36) is slidably connected to one of the brackets (11), the interior of the other moving block (36) is sleeved with a long rod (31), and the two ends of the long rod (31) are respectively fixedly connected to the upper inner wall and the lower inner wall of the other bracket (11).

3. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 1, characterized in that: The upper and lower ends of the rotating rod (26) are rotatably connected to the upper inner wall and the lower inner wall of the outer shell (6), and the two ends of the outer shell (6) are respectively provided with a plurality of air outlets (7) and air inlets (5).

4. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 1, characterized in that: A slide groove (9) is provided at one end of the housing (6), and the slide groove (9) is used in conjunction with the slider (21).

5. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 1, characterized in that: A slot (8) is provided at one end of the housing (6), and the slot (8) is used in conjunction with the filter plate (24); both sides of one end of the filter plate (24) are fixedly connected to a limit plate (202); both sides of one end of the housing (6) are rotatably connected to a limit block (203), and a limit groove for use in conjunction with the limit block (203) is provided at one end of the limit plate (202).

6. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 2, characterized in that: One end of one of the moving blocks (36) is fixedly connected to a clamping block (37), and one end of one of the brackets (11) is provided with a clamping slot (38), and the clamping slot (38) is used in conjunction with the clamping block (37).

7. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 2, characterized in that: The upper and lower ends of the screw rod (39) are rotatably connected to the upper inner wall and the lower inner wall of one of the brackets (11), respectively, and the bottom end of the rotating shaft (33) is rotatably connected to the bottom plate (1).

8. A fire-fighting ventilation and smoke exhaust device with filtering function as claimed in claim 1, characterized in that: Four telescopic rods (4) distributed in a rectangular shape are fixedly connected to the bottom end of the housing (6), and the bottom ends of the four telescopic rods (4) are fixedly connected to the bottom plate (1).

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