Smoke exhaust fan for fire fighting

Abstract

The utility model relates to the technical field of smoke exhaust fans, in particular to a smoke exhaust fan for fire fighting, which comprises a smoke exhaust mechanism and a connecting dustproof shell, the smoke exhaust mechanism comprises a fan shell and a fan main body, the fan main body is mounted in the fan shell, connecting rings are fixedly arranged on outer rings of two ends of the fan shell, and the connecting rings are connected with the connecting dustproof shell. Eight sets of fixing blocks are fixedly arranged on the side of the connecting ring on the left side of the single set, a dustproof shell is connected to the left end of the fan shell in a clamped mode, protruding clamping rings on the right side of the fixing shell can be embedded into inner groove rings formed in the connecting rings, and through the design, installation can be convenient, meanwhile, sealing can be conducted to prevent smoke from overflowing, and efficiency is better improved. Threaded holes formed in eight sets of fixing blocks can be in threaded connection in fixing bolts installed in the fixing shell for rapid fixing, through the design, rapid disassembly and assembly and convenient maintenance are facilitated, a brush laid on the side of a roller arranged in the cleaning brush can conduct rolling dust removal on a dust screen, efficient dust removal is achieved, and the time needed by disassembly for dust removal is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust fans, in particular to a smoke exhaust fan used for fire fighting. Background Art

[0002] Traditional ventilation equipment often cannot meet the needs of effective smoke exhaust in the event of a fire. Fire smoke exhaust fans are specially designed to exhaust smoke in response to fires. It needs to have characteristics such as high temperature resistance, corrosion resistance, and high efficiency. When a fire occurs, smoke spreads rapidly. If it cannot be discharged in time, it will seriously hinder the evacuation and rescue of personnel, and will also increase the losses caused by the fire. At present, the technology of fire smoke exhaust fans is constantly developing, including the selection of materials for fans, improvement of motor performance, and optimization of control systems. For example, high-temperature resistant materials are used to make fan impellers and casings to ensure normal operation in high temperature environments; optimize motor design, increase fan speed and air volume, and enhance smoke exhaust effects; equip with advanced control systems that can realize automatic start-up, remote control and other functions to improve the timeliness and reliability of fire smoke exhaust.

[0003] For example, the announcement number CN221525202U discloses a centrifugal fire smoke exhaust fan that is easy to fix, including a fixing mechanism, a main body mechanism and a connecting mechanism. The top of the fixing mechanism is provided with a main body mechanism, the surface of the main body mechanism is provided with a connecting mechanism, and the bottom end of the connecting mechanism is provided with a fixing mechanism; the fixing mechanism includes a connecting plate, the inner wall of the connecting plate is fixedly connected to a placement plate, and the top of the placement plate is fixedly connected to a telescopic cylinder. The utility model can connect the equipment by setting a placement plate and a fixed bottom plate through the connecting plate, and fix the equipment as a whole through the groove between the two. The clamping plate can be set by the telescopic cylinder to fix the wooden board placed through the groove between the placement plate and the fixed bottom plate, thereby increasing the stability of the equipment when in use and facilitating the staff to fix and install the equipment as a whole.

[0004] Although the existing smoke exhaust fans can meet daily needs, they are filled with dust due to long-term use, which affects the exhaust function of the fan. It is time-consuming to remove the dust net to deal with the accumulated dust, and it is impossible to clean the dust quickly. Moreover, most of the existing devices are integrated dust-proof devices, and damaged internal parts cannot be repaired in time. Therefore, it is urgent to design a smoke exhaust fan for fire fighting to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a smoke exhaust fan for fire fighting, so as to solve the problem raised in the above background technology that dust accumulates in the fan due to long-term use, affecting the fan's smoke exhaust, and it takes time to remove the dust net to deal with the accumulated dust, and it is impossible to clean the dust quickly. Moreover, most of the existing devices are integrated dust-proof devices, and the internal parts are damaged and cannot be repaired in time.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a smoke exhaust fan for fire fighting, comprising a smoke exhaust mechanism and a connecting dustproof shell, the smoke exhaust mechanism comprising a fan casing and a fan body, the fan body being installed inside the fan casing, connecting rings being fixed to the outer rings at both ends of the fan casing, eight groups of fixing blocks being fixed to the sides of the connecting rings on the left side of a single group, a connecting dustproof shell being clamped on the left end of the fan casing, a dustproof net being installed on the right inner wall of the fan casing, a dust removal mechanism being installed inside the connecting dustproof shell, the dust removal mechanism comprising a dustproof component and a dust removal component, and a dust removal component being installed in the center of the dustproof component.

[0007] Preferably, an outer side of the connecting ring is provided with an inwardly concave annular groove, and the right side of the connecting dustproof shell can be engaged in the inwardly concave annular groove.

[0008] Preferably, a threaded hole is provided in the center of the left wall of each of the eight groups of fixing blocks, and the threaded hole passes through the inner wall of the fixing block.

[0009] Preferably, the connecting dustproof shell includes a fixed shell and a protruding snap ring, a protruding snap ring is fixed on the outer wall of the right end of the fixed shell, the right side of the protruding snap ring is embedded in the concave ring groove, and eight groups of fixing bolts are inserted into the outer ring side of the fixed shell, and the right ends of the eight groups of fixing bolts are inserted in eight groups of threaded holes.

[0010] Preferably, the dustproof component includes a limiting ring and a dustproof net, the dustproof net is installed inside the limiting ring, and the limiting ring is installed in the fixed shell.

[0011] Preferably, the dust removal assembly includes a fixed bearing and a rotating shaft, the fixed bearing is installed in the center of the dustproof net, the rotating shaft is inserted in the center of the fixed bearing, a fixed disk is fixed at the left end of the rotating shaft, and two sets of cleaning brushes are fixed on the right side of the rotating shaft and the left side of the fixed bearing.

[0012] Preferably, a single group of the cleaning brushes includes a limit bearing and a fixed rod, the top end of the limit bearing is fixed with a fixed rod, the outer side of the fixed rod is sleeved with a roller, and the outer wall of the roller is covered with brushes.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The smoke exhaust fan for fire protection has an inner groove ring formed on a connecting ring provided in the fan housing, which can be engaged with a protruding clamp ring on the right side of the fixed shell. This design makes installation easy and can also be sealed to prevent smoke from overflowing to improve efficiency. The threaded holes formed on the eight sets of fixing blocks can be threadedly connected to the fixing bolts installed inside the fixed shell for quick fixation. This design facilitates quick disassembly and assembly and facilitates maintenance.

[0015] The smoke exhaust fan used for fire fighting further isolates large dust particles in the smoke by providing a dust-proof net installed on the dust-proof component. The rotatable rotating shaft can drive four groups of cleaning brushes to remove dust from both sides of the dust-proof net conveniently and quickly. The brushes laid on the side of the roller of the cleaning brush can roll the dust-proof net for dust removal, and the efficient dust removal reduces the time required for disassembly and dust removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 This is a rear view schematic diagram of the utility model;

[0019] Figure 4 This is a schematic cross-sectional view of the dust removal component structure of the present invention.

[0020] In the figure: 1. Smoke exhaust mechanism; 11. Fan housing; 111. Connecting ring; 1101. Inner concave ring groove; 112. Fixing block; 1121. Threaded hole; 12. Fan body; 2. Connecting dust cover; 21. Fixing shell; 211. Protruding snap ring; 22. Fixing bolt; 3. Dust removal mechanism; 31. Dustproof assembly; 311. Limiting ring; 312. Dustproof net; 32. Dust removal assembly; 321. Fixed bearing; 322. Rotating shaft; 323. Fixed disk; 324. Cleaning brush; 3241. Limiting bearing; 3242. Fixing rod; 3243. Roller; 3244. Brush; 4. Dust screen. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 , an embodiment provided by the utility model:

[0023] A smoke exhaust fan for fire fighting includes a smoke exhaust mechanism 1 and a connecting dustproof shell 2. The smoke exhaust mechanism 1 includes a fan casing 11 and a fan body 12. The fan body 12 is installed inside the fan casing 11. The outer rings at both ends of the fan casing 11 are fixed with connecting rings 111. Eight groups of fixing blocks 112 are fixed on the sides of a single group of left connecting rings 111. The left end of the fan casing 11 is clamped with a connecting dustproof shell 2. A dustproof net 4 is installed on the right inner wall of the fan casing 11. A dust removal mechanism 3 is installed inside the connecting dustproof shell 2. The dust removal mechanism 3 includes a dustproof component 31 and a dust removal component 32. The dust removal component 32 is installed in the center of the dustproof component 31.

[0024] As a further feature of the present invention, an outer side of the connecting ring 111 is provided with an inwardly concave annular groove 1101, into which the right side of the dustproof shell 2 can be fitted, and the center of the left wall of the eight groups of fixing blocks 112 are all provided with a threaded hole 1121, which passes through the inner wall of the fixing block 112. This design is beneficial for the installation and connection of the dustproof shell and facilitates dust removal.

[0025] As a further feature of the present invention, the dustproof shell 2 includes a fixed shell 21 and a protruding snap ring 211. The outer wall of the right end of the fixed shell 21 is fixed with a protruding snap ring 211. The right side of the protruding snap ring 211 is embedded in the concave ring groove 1101. Eight groups of fixing bolts 22 are inserted into the outer ring side of the fixed shell 21. The right ends of the eight groups of fixing bolts 22 are inserted into eight groups of threaded holes 1121. Through this device, it can be quickly installed on the fan casing for easy maintenance.

[0026] Furthermore, the dustproof component 31 includes a limiting ring 311 and a dustproof net 312. The dustproof net 312 is installed inside the limiting ring 311. The limiting ring 311 is installed in the fixed shell 21. The dust removal component 32 includes a fixed bearing 321 and a rotating shaft 322. The fixed bearing 321 is installed in the center of the dustproof net 312. The rotating shaft 322 is inserted in the center of the fixed bearing 321. The left end of the rotating shaft 322 is fixed with a fixed disk 323. The right side of the rotating shaft 322 and the fixed Two groups of cleaning brushes 324 are fixed on the left side of the bearing 321. A single group of cleaning brushes 324 includes a limit bearing 3241 and a fixed rod 3242. A fixed rod 3242 is fixed to the top of the limit bearing 3241. A roller 3243 is sleeved on the outside of the fixed rod 3242. The outer wall of the roller 3243 is covered with brushes 3244. The dustproof net can be rolled to remove dust through the brushes laid on the side of the roller in the cleaning brush. Efficient dust removal reduces the time required for disassembly and dust removal.

[0027] Working principle: When in use, the user first fits the protruding snap ring 211 at the right end of the fixed shell 21 into the concave ring groove 1101 opened in the connecting ring 111 on the left side of the fan casing 11, and then uses eight sets of fixing bolts 22 to insert through the fixing shell 21 and threadedly insert into the threaded hole 1121 opened in the fixing block 112. That is, after long-term use, continue to rotate the fixing disk 323 on the left side of the dustproof net 312 to rotate. The rotation of the fixing disk 323 can drive the rotating shaft 322 to rotate in the fixed bearing 321. The rotation of the rotating shaft 322 can drive four sets of cleaning brushes 324 to rotate around the dustproof net 312 to remove dust. The rotation of the roller 3243 can drive the brush 3244 to clean the dustproof net 312. If it needs to be disassembled for maintenance, just loosen the fixing bolts 22. The above is the entire working principle of the utility model.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A smoke exhaust fan for fire fighting, comprising a smoke exhaust mechanism (1) and a connecting dust cover (2), characterized in that: The smoke exhaust mechanism (1) comprises a fan housing (11) and a fan body (12), the fan housing (11) is internally mounted with the fan body (12), the outer rings of both ends of the fan housing (11) are fixedly provided with connecting rings (111), and eight groups of fixing blocks (112) are fixedly provided on the side of the connecting rings (111) on the left side of a single group, the left end of the fan housing (11) is clamped with a connecting dustproof shell (2), the right inner wall of the fan housing (11) is mounted with a dustproof net (4), a dust removal mechanism (3) is installed inside the connecting dustproof shell (2), the dust removal mechanism (3) comprises a dustproof component (31) and a dust removal component (32), and the dust removal component (32) is mounted at the center of the dustproof component (31).

2. A smoke exhaust fan for firefighting according to claim 1, characterized in that: An inner concave annular groove (1101) is provided on the outer side of the connecting ring (111), and the right side of the dustproof shell (2) can be engaged in the inner concave annular groove (1101).

3. The smoke exhaust fan for fire protection according to claim 1, characterized in that: The left wall centers of the eight groups of fixing blocks (112) are all provided with threaded holes (1121), and the threaded holes (1121) pass through the inner walls of the fixing blocks (112).

4. The smoke exhaust fan for firefighting according to claim 1, characterized in that: The connecting dustproof shell (2) comprises a fixed shell (21) and a protruding snap ring (211); the outer wall of the right end of the fixed shell (21) is fixedly provided with the protruding snap ring (211); the right side of the protruding snap ring (211) is embedded in the inner concave ring groove (1101); eight groups of fixing bolts (22) are inserted into the outer ring side of the fixed shell (21); the right ends of the eight groups of fixing bolts (22) are inserted into the eight groups of threaded holes (1121).

5. The smoke exhaust fan for firefighting according to claim 1, characterized in that: The dustproof component (31) comprises a limiting ring (311) and a dustproof net (312); the dustproof net (312) is installed inside the limiting ring (311); and the limiting ring (311) is installed in the fixed shell (21).

6. The smoke exhaust fan for firefighting according to claim 1, characterized in that: The dust removal assembly (32) comprises a fixed bearing (321) and a rotating shaft (322), wherein the fixed bearing (321) is mounted at the center of the dustproof net (312), the rotating shaft (322) is inserted into the center of the fixed bearing (321), a fixed disk (323) is fixed at the left end of the rotating shaft (322), and two sets of cleaning brushes (324) are fixed at the right side of the rotating shaft (322) and the left side of the fixed bearing (321).

7. A smoke exhaust fan for firefighting according to claim 6, characterized in that: A single set of the cleaning brushes (324) comprises a limit bearing (3241) and a fixed rod (3242), the top end of the limit bearing (3241) is fixed with the fixed rod (3242), the outer side of the fixed rod (3242) is sleeved with a roller (3243), and the outer wall of the roller (3243) is covered with a brush (3244).

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