Anti-blocking fire-fighting smoke exhaust device

Abstract

The utility model discloses an anti-blocking type fire-fighting smoke exhaust device which comprises a smoke exhaust pipe, a fixing block is fixedly connected to one side of the inner side face of the smoke exhaust pipe, a support is movably connected to the outer surface of the fixing block through a bolt, a smoke exhaust fan is fixedly connected to the outer surface of the support, a motor is fixedly connected to the inner side face of the support, and the motor is fixedly connected to the inner side face of the support. And the output end of the motor is fixedly connected with a rotating rod. According to the anti-blocking type fire-fighting smoke exhaust device, through the arrangement of a motor, a scraping plate, a pipe cap, a fan blade and a brush roller, the motor is started at regular time, a rotating rod is made to rotate, the scraping plate is driven by a supporting arm to scrape and clean dust and impurities on the inner wall of a smoke exhaust pipe, and therefore dust adsorption is reduced, and the blocking phenomenon caused by dust accumulation on the inner wall of a pipeline is avoided; and under the action of external wind power, the fan blades rotate to drive the brush roller to rotate, so that dust in meshes of the dustproof net is cleaned, the meshes of the dustproof net are prevented from being blocked, and the smoke exhaust effect of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust devices, in particular to an anti-blocking type fire-fighting smoke exhaust device. Background Art

[0002] Firefighting is mainly about eliminating hidden dangers, mainly referring to extinguishing fires, but also includes rescue and fire-fighting personnel, vehicles, a series of rescue facilities, etc. Its purpose is to eliminate safety hazards and reduce losses. When a fire occurs, a fire smoke exhaust fan is usually required to discharge the thick smoke produced by the fire to increase the probability of survival at the fire scene.

[0003] After searching, Chinese patent publication (announcement) number CN220062020U discloses a fire smoke exhaust device that is easy to maintain, which relates to the field of fire technology. The fire smoke exhaust device that is easy to maintain includes a shell, the bottom end of the shell is fixedly connected to a support frame, a motor is arranged inside the shell, the output shaft of the motor is fixedly connected to an impeller, and a limiting mechanism is arranged inside the shell, the limiting mechanism includes a slide, a slide rail, a support rod, a connecting rod, a disc, and a protrusion, the outer wall of the protrusion is plugged with a limiting rod, the limiting rod penetrates and is slidably connected to the inner wall of the fixed rod, the limiting rod is elastically connected to the inner wall of the fixed rod through a reset spring, and the slide is opened on the inner wall of the shell. When the device is under maintenance, the disc and the support rod can be pushed out of the shell by releasing the restriction of the fixing bolts, so that the motor and the impeller are away from the shell and exposed to the outer wall of the shell, which is easier for the staff to observe and maintain.

[0004] Although the fire smoke exhaust device of the above patent is easy to maintain, when the current fire smoke exhaust device is not used for a long time, dust easily accumulates on the inner wall of the pipe and causes blockage, which seriously affects the smoke exhaust effect when a fire occurs. Therefore, it is necessary to design an anti-blocking fire smoke exhaust device to solve the above problem. Utility Model Content

[0005] The main purpose of the utility model is to provide an anti-blocking fire smoke exhaust device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A blockage-proof fire-fighting smoke exhaust device comprises a smoke exhaust pipe, one side of the inner side surface of the smoke exhaust pipe is fixedly connected to a fixing block, the outer surface of the fixing block is movably connected to a bracket by bolts, the outer surface of the bracket is fixedly connected to a smoke exhaust fan, and the inner side surface of the bracket is fixedly connected to a motor; the output end of the motor is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to a support arm, the top of the outer surface of the support arm is fixedly connected to a scraper, the bottom of the outer surface of the support arm is fixedly connected to a reinforcing rod, the reinforcing rod is fixedly connected to the scraper, one end of the smoke exhaust pipe is threadedly connected to a pipe cap, the middle part of the outer surface of the pipe cap is movably connected to a connecting rod, one side of the outer surface of the connecting rod is sleeved with a fan blade, and the outer surface of the connecting rod close to the fan blade is sleeved with a brush roller.

[0008] In order to reduce the effect of external dust entering, as an anti-blocking fire smoke exhaust device of the utility model, the outer surface of the pipe cap is fixedly connected with a dustproof net.

[0009] In order to facilitate the installation of the connecting rod, as an anti-blocking fire smoke exhaust device of the utility model, one end of the connecting rod is threadedly connected with a nut.

[0010] In order to facilitate the installation of the smoke exhaust pipe, as an anti-blocking fire smoke exhaust device of the utility model, the other end of the smoke exhaust pipe is fixedly connected to a mounting plate, and mounting holes are opened at the four corners of the outer surface of the mounting plate.

[0011] In order to facilitate the collection of smoke particles, as an anti-blocking fire smoke exhaust device of the utility model, a waste exhaust pipe is fixedly connected to the middle of the lower surface of the smoke exhaust pipe, and a collection cylinder is movably connected inside the waste exhaust pipe.

[0012] In order to facilitate the installation and disassembly of the collecting tube, as an anti-blocking fire smoke exhaust device of the utility model, a first spring is fixedly connected to the top of the inner wall of the collecting tube, one end of the first spring is fixedly connected to a limiting block, and limiting grooves are provided on both sides of the outer surface of the exhaust pipe.

[0013] In order to facilitate the installation of the fixing ring, the utility model provides an anti-blocking fire smoke exhaust device. A fixing ring is movably connected to one side of the smoke exhaust pipe, and second springs are fixedly connected to both sides of the fixing ring. One end of the second spring is fixedly connected to a limiting rod, and a limiting hole is provided on the inner side surface of the smoke exhaust pipe close to the limiting rod.

[0014] In order to achieve the effect of avoiding smoke backflow, the utility model provides an anti-blockage fire smoke exhaust device. Both sides of the inner side of the fixed ring are fixedly connected with support rods, the outer surface of the support rod is rotatably connected with a baffle, and the middle part of the outer surface of the fixed ring is fixedly connected with a torsion spring, and the torsion spring is fixedly connected to the baffle.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, through the arrangement of the motor, scraper, pipe cap, fan blade and brush roller, the motor is started at a fixed time to rotate the rotating rod, and the scraper is driven by the support arm to scrape and clean the dust and impurities on the inner wall of the smoke exhaust pipe, thereby reducing the adsorption of dust and avoiding the blockage caused by the accumulation of dust on the inner wall of the pipe. Under the action of external wind force, the fan blade rotates to drive the brush roller to rotate, thereby cleaning the dust inside the mesh of the dustproof net and avoiding the blockage of the mesh of the dustproof net, thereby ensuring the smoke exhaust effect of the device.

[0017] 2. In the utility model, through the arrangement of the collecting tube, the exhaust pipe, the torsion spring and the baffle, the collecting tube is clamped in the inside of the exhaust pipe, and the two are used in conjunction with each other to collect dust and impurities on the inner wall of the exhaust pipe to prevent the dust from adhering to the inner wall of the exhaust pipe again. The baffle is rotatably connected to both sides of the inner side of the fixed ring through the support rod. When the device is exhausting smoke, under the action of the exhaust fan, the baffle rotates to the right by a certain angle, thereby opening the pipe mouth and discharging the smoke to the outside. When not in use, under the action of the torsion spring, the baffle automatically resets, effectively preventing the smoke from flowing back and avoiding the expansion of the fire range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of an embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional plan structure of an embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the smoke exhaust pipe according to an embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the waste discharge pipe structure of an embodiment of the utility model;

[0023] Figure 6 This is a schematic diagram of the fixing ring structure of an embodiment of the utility model.

[0024] In the figure: 1. exhaust pipe; 2. fixing block; 3. bracket; 4. exhaust fan; 5. motor; 6. rotating rod; 7. support arm; 8. scraper; 9. reinforcing rod; 10. pipe cap; 11. connecting rod; 12. fan blade; 13. brush roller; 14. dustproof net; 15. nut; 16. mounting plate; 17. mounting hole; 18. exhaust pipe; 19. collecting cylinder; 20. first spring; 21. limit block; 22. limit groove; 23. fixing ring; 24. second spring; 25. limit rod; 26. limit hole; 27. support rod; 28. baffle; 29. ​​torsion spring. DETAILED DESCRIPTION

[0025] 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.

[0026] Example

[0027] like Figure 1-6 As shown, an anti-blocking fire smoke exhaust device comprises a smoke exhaust pipe 1, a fixed block 2 is fixedly connected to one side of the inner side of the smoke exhaust pipe 1, a bracket 3 is movably connected to the outer surface of the fixed block 2 by bolts, a smoke exhaust fan 4 is fixedly connected to the outer surface of the bracket 3, and a motor 5 is fixedly connected to the inner side of the bracket 3; a rotating rod 6 is fixedly connected to the output end of the motor 5, one end of the rotating rod 6 is fixedly connected to a supporting arm 7, a scraper 8 is fixedly connected to the top of the outer surface of the supporting arm 7, a reinforcing rod 9 is fixedly connected to the bottom of the outer surface of the supporting arm 7, the reinforcing rod 9 is fixedly connected to the scraper 8, a pipe cap 10 is threadedly connected to one end of the smoke exhaust pipe 1, a connecting rod 11 is movably connected to the middle part of the outer surface of the pipe cap 10, a fan blade 12 is sleeved on one side of the outer surface of the connecting rod 11, and a brush roller 13 is sleeved on the side of the outer surface of the connecting rod 11 close to the fan blade 12.

[0028] When in use, the bracket 3 is matched with the fixed block 2 by setting the smoke exhaust fan 4, the motor 5, the scraper 8, the pipe cap 10, the fan blade 12 and the brush roller 13, and fixed by bolts. The bracket 3 supports the smoke exhaust fan 4 and the motor 5. When a fire occurs, the smoke in the room can be discharged to the outside under the action of the smoke exhaust fan 4 to ensure the safety of personnel. The scraper 8 is fixed to the top of the outer surface of the support arm 7. The two ends of the reinforcing rod 9 are respectively connected to the support arm 7 and the scraper 8, which can strengthen the support effect of the scraper 8. The motor 5 is started at a fixed time to rotate the rotating rod at its output end. 6 rotates, and the scraper 8 is driven by the support arm 7 to scrape and clean the dust and impurities on the inner wall of the smoke exhaust pipe 1, thereby reducing the adsorption of dust and avoiding the clogging caused by the accumulation of dust on the inner wall of the pipe. The pipe cap 10 is threadedly connected to one end of the smoke exhaust pipe 1, which is easy to install and disassemble, and is convenient for cleaning and replacement after long-term use. The connecting rod 11 is rotatably connected to the middle part of the outer surface of the pipe cap 10. Under the action of external wind force, the fan blade 12 rotates to drive the brush roller 13 to rotate, thereby cleaning the dust inside the mesh of the dustproof net 14 to avoid clogging of the mesh of the dustproof net 14, thereby ensuring the smoke exhaust effect of the device.

[0029] In this embodiment, a dustproof net 14 is fixedly connected to the outer surface of the pipe cap 10 .

[0030] During specific use, by setting the dustproof net 14, the dustproof net 14 is fixed to the outer surface of the pipe cap 10, which can block external dust and large particles, reduce the entry of external dust and impurities, and extend the service life of the device.

[0031] In this embodiment, one end of the connecting rod 11 is threadedly connected with a nut 15 .

[0032] During specific use, through the setting of the nut 15, the connecting rod 11 is inserted into the middle of the outer surface of the pipe cap 10. After the fan blades 12 and the brush roller 13 are installed, they are installed through the nut 15, which makes installation and disassembly more convenient, and is easy to replace and maintain when damaged, saving costs.

[0033] In this embodiment, the other end of the smoke exhaust pipe 1 is fixedly connected to a mounting plate 16 , and mounting holes 17 are formed at four corners of the outer surface of the mounting plate 16 .

[0034] During specific use, by setting the mounting plate 16, the four mounting holes 17 cooperate with the external screws to install and fix the mounting plate 16, so that the smoke exhaust pipe 1 is installed at a designated location.

[0035] In this embodiment, a waste discharge pipe 18 is fixedly connected to the middle of the lower surface of the smoke exhaust pipe 1 , and a collecting tube 19 is movably connected to the interior of the waste discharge pipe 18 .

[0036] During specific use, by setting the collecting tube 19, the collecting tube 19 is clamped in the inside of the exhaust pipe 18, and the two are used in conjunction with each other to collect dust and impurities on the inner wall of the exhaust pipe 1 to prevent the dust from adhering to the inner wall of the exhaust pipe 1 again.

[0037] In this embodiment, a first spring 20 is fixedly connected to the top of the inner wall of the collecting tube 19 , one end of the first spring 20 is fixedly connected to a limiting block 21 , and limiting grooves 22 are provided on both sides of the outer surface of the waste discharge pipe 18 .

[0038] During specific use, through the setting of the limit block 21, the limit block 21 is pressed to compress the first spring 20, and then the collecting tube 19 is inserted into the inside of the waste pipe 18. Under the elastic action of the first spring 20, the limit block 21 is reset and clamped in the inside of the limit groove 22, thereby fixing the collecting tube 19 and making it easier to clean.

[0039] In this embodiment, a fixing ring 23 is movably connected to one side of the smoke exhaust pipe 1, and a second spring 24 is fixedly connected to both sides of the fixing ring 23. One end of the second spring 24 is fixedly connected to a limiting rod 25, and a limiting hole 26 is opened on the inner side surface of the smoke exhaust pipe 1 close to the limiting rod 25.

[0040] During specific use, by setting the limiting rod 25 and the limiting hole 26, the limiting rod 25 is pulled to compress the second spring 24, and then the fixing ring 23 is placed inside the smoke exhaust pipe 1. Under the elastic action of the second spring 24, the limiting rod 25 is inserted into the corresponding limiting hole 26, thereby installing the fixing ring 23, making its installation and removal more convenient, facilitating maintenance and replacement, and increasing the convenience of use.

[0041] In this embodiment, support rods 27 are fixedly connected to both sides of the inner side of the fixing ring 23, and the outer surface of the support rod 27 is rotatably connected to a baffle 28. A torsion spring 29 is fixedly connected to the middle of the outer surface of the fixing ring 23, and the torsion spring 29 is fixedly connected to the baffle 28.

[0042] During specific use, through the setting of the baffle 28, the baffle 28 is rotatably connected to the two sides of the inner side of the fixed ring 23 through the support rod 27. When the device is exhausting smoke, under the action of the smoke exhaust fan 4, the baffle 28 rotates to the right by a certain angle, thereby opening the pipe mouth and discharging the smoke to the outside. When not in use, under the action of the torsion spring 29, the baffle 28 automatically resets, effectively preventing the smoke from flowing back and avoiding the expansion of the fire range.

[0043] Working principle: In use, pull the limit rod 25 to compress the second spring 24, place the fixing ring 23 inside the smoke exhaust pipe 1, and under the elastic action of the second spring 24, the limit rod 25 is inserted into the corresponding limit hole 26, install the fixing ring 23, match the bracket 3 with the fixing block 2, fix it with bolts, insert the connecting rod 11 into the middle of the outer surface of the pipe cap 10, sleeve the fan blade 12 and the brush roller 13 on the outer surface of the connecting rod 11, install it with the nut 15, and then thread the pipe cap 10 to one end of the smoke exhaust pipe 1, the dustproof net 14 blocks the external dust and large particles, the four mounting holes 17 cooperate with the external screws, and install the smoke exhaust pipe 1 at the designated location through the mounting plate 16, press the limit block 21 to compress the first spring 20, and then insert the collecting tube 19 into the exhaust pipe 18. Under the elastic action of the first spring 20, The limit block 21 is reset and clamped in the inside of the limit groove 22 to fix the collecting tube 19, and the motor 5 is started at a fixed time to rotate the rotating rod 6 at its output end, and the scraper 8 is driven by the support arm 7 to scrape and clean the dust and impurities on the inner wall of the smoke exhaust pipe 1 to avoid clogging caused by dust accumulation on the inner wall of the pipe. The collecting tube 19 and the exhaust pipe 18 cooperate with each other to collect the dust and impurities on the inner wall of the smoke exhaust pipe 1 to avoid dust adhering to the inner wall of the smoke exhaust pipe 1 again. Under the action of external wind force, the fan blade 12 rotates and drives the brush roller 13 to rotate, thereby cleaning the dust inside the mesh of the dustproof net 14 to avoid clogging of the mesh of the dustproof net 14. When a fire occurs, under the action of the smoke exhaust fan 4, the indoor smoke can be discharged to the outside, and the baffle 28 is rotated to the right by a certain angle to open the pipe mouth and discharge the smoke to the outside. When not in use, under the action of the torsion spring 29, the baffle 28 automatically resets to effectively prevent smoke backflow.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-blocking fire smoke exhaust device, comprising a smoke exhaust pipe (1), characterized in that: A fixing block (2) is fixedly connected to one side of the inner side of the smoke exhaust pipe (1); a bracket (3) is movably connected to the outer surface of the fixing block (2) via bolts; a smoke exhaust fan (4) is fixedly connected to the outer surface of the bracket (3); and a motor (5) is fixedly connected to the inner side of the bracket (3); The output end of the motor (5) is fixedly connected to a rotating rod (6), one end of the rotating rod (6) is fixedly connected to a supporting arm (7), the top of the outer surface of the supporting arm (7) is fixedly connected to a scraper (8), the bottom of the outer surface of the supporting arm (7) is fixedly connected to a reinforcing rod (9), the reinforcing rod (9) and the scraper (8) are fixedly connected, one end of the smoke exhaust pipe (1) is threadedly connected to a pipe cap (10), the middle part of the outer surface of the pipe cap (10) is movably connected to a connecting rod (11), one side of the outer surface of the connecting rod (11) is sleeved with a fan blade (12), and the side of the outer surface of the connecting rod (11) close to the fan blade (12) is sleeved with a brush roller (13).

2. The anti-blocking fire smoke exhaust device according to claim 1, characterized in that: A dustproof net (14) is fixedly connected to the outer surface of the pipe cap (10).

3. The anti-blocking fire smoke exhaust device according to claim 1, characterized in that: One end of the connecting rod (11) is threadedly connected with a nut (15).

4. The anti-blocking fire smoke exhaust device according to claim 1, characterized in that: The other end of the smoke exhaust pipe (1) is fixedly connected to a mounting plate (16), and mounting holes (17) are provided at four corners of the outer surface of the mounting plate (16).

5. The anti-blocking fire smoke exhaust device according to claim 1, characterized in that: A waste discharge pipe (18) is fixedly connected to the middle of the lower surface of the smoke exhaust pipe (1), and a collecting tube (19) is movably connected inside the waste discharge pipe (18).

6. The anti-blocking fire smoke exhaust device according to claim 5, characterized in that: A first spring (20) is fixedly connected to the top of the inner wall of the collecting tube (19), one end of the first spring (20) is fixedly connected to a limiting block (21), and limiting grooves (22) are provided on both sides of the outer surface of the waste discharge pipe (18).

7. The anti-blocking fire smoke exhaust device according to claim 1, characterized in that: A fixing ring (23) is movably connected to one side of the smoke exhaust pipe (1), and second springs (24) are fixedly connected to both sides of the fixing ring (23). One end of the second spring (24) is fixedly connected to a limiting rod (25), and a limiting hole (26) is provided on the inner side surface of the smoke exhaust pipe (1) close to the limiting rod (25).

8. The anti-blocking fire smoke exhaust device according to claim 7, characterized in that: Support rods (27) are fixedly connected to both sides of the inner side of the fixing ring (23); a baffle (28) is rotatably connected to the outer surface of the support rod (27); a torsion spring (29) is fixedly connected to the middle of the outer surface of the fixing ring (23); and the torsion spring (29) is fixedly connected to the baffle (28).

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