Fire-fighting smoke exhaust fan convenient to clean

Abstract

The utility model relates to the technical field of fire-fighting smoke exhaust fans, and discloses a fire-fighting smoke exhaust fan convenient to clean. Comprising an air guide pipe and further comprises a telescopic hose arranged on one side of the air guide pipe, and the other end of the telescopic hose is connected with a fan body; by arranging the mounting assembly and the moving assembly, the mounting assembly can drive the telescopic hoses on the two sides of the fan body to be compressed, so that the flanges at the two ends of the telescopic hoses are separated from the flanges at the two ends of the fan body, and meanwhile, the fan body can be horizontally moved to the other side above the bottom plate through the moving assembly after being detached; the fan body is convenient to clean, the cleaning assembly is arranged, when the cleaning assembly is used, the two sides of the blade can be slightly cleaned through the cleaning brush, the blade can be installed in the support to be taken out and independently cleaned, then all the positions of the blade can be conveniently cleaned, the cleaning difficulty of the blade is lowered, and the cleaning dead angle during blade cleaning is reduced.

Description

Technical Field

[0001] This utility model relates to the field of fire smoke exhaust fan technology, specifically a fire smoke exhaust fan that is easy to clean. Background Technology

[0002] A smoke exhaust fan is a machine that can quickly remove odors, high temperatures, and oil fumes generated during food processing in the kitchen. This machine is characterized by good high-temperature resistance and high efficiency. There are centrifugal fans, axial fans, and centrifugal fans with axial flow. Choose the appropriate size of machine according to the size of the space and the layout of the smoke exhaust hood.

[0003] Currently used fire exhaust fans accumulate a lot of dust and / or oil on their blades after long-term use, which affects the performance of the fans. Furthermore, the fan body is very inconvenient to disassemble and clean. Multiple bolts on the flanges at both ends of the fan need to be removed one by one before the fan body can be taken out for cleaning. Disassembling the fan body is quite difficult, and the fan blades are often welded to a circular blade disc, making them impossible to remove and clean. This makes cleaning the fan blades difficult and leaves cleaning dead spots. Utility Model Content

[0004] The purpose of this utility model is to provide a fire exhaust fan that is easy to clean, so as to solve the problems of inconvenient fan disassembly and easy to leave cleaning dead corners when cleaning the fan blades.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fire-fighting smoke exhaust fan that is easy to clean, including an air duct, and further comprising:

[0006] A flexible telescopic hose is installed on one side of the air duct, and the other end of the flexible telescopic hose is connected to the fan body;

[0007] An installation assembly is provided on the flanges at both ends of a telescopic hose. The installation assembly includes a fixing plate fixedly connected to the flanges at both ends of the telescopic hose. One end of the fixing plate is provided with a handle. One end of the handle is fixedly connected to a connecting plate. A limit plate is slidably connected to one side inside the connecting plate. One end of the limit plate is fixedly connected to a drive rod. One end of the drive rod is fixedly connected to a handle plate. One end of the handle plate abuts against a return spring.

[0008] The movable components are arranged on both sides below the fan body. The movable components include a support plate fixedly connected to the bottom of the fan body. A handle is fixedly connected to one side of the outer side of the support plate. Mounting plates are fixedly connected to both sides below the support plate. Fastening bolts are connected inside the mounting plates. The bottom of the support plate extends into the bottom plate.

[0009] A cleaning component is installed inside the fan body. The cleaning component includes a slider that is slidably connected in the inner housing of the fan body. A threaded block is fixedly connected above the slider. A lead screw is connected inside the threaded block. One end of the lead screw is fixedly connected to the output end of a small motor. A cleaning brush is embedded inside the threaded block. A connecting bolt connects the cleaning brush and the threaded block.

[0010] Preferably, the telescopic hose is provided in two sets and symmetrically arranged on both sides of the fan body. The other end of the telescopic hose is connected to an exhaust pipe. The air guide pipe and the telescopic hose, the telescopic hose and the fan body, and the telescopic hose and the exhaust pipe are all connected to each other by flanges. The flange between the air guide pipe and the telescopic hose is fixedly connected by bolts, and the flange between the telescopic hose and the exhaust pipe is fixedly connected by bolts.

[0011] Preferably, a plurality of spring rods are connected between the flanges at both ends of the telescopic hose, and the spring rods are distributed in a ring array on the flanges of the telescopic hose.

[0012] Preferably, the limiting plate has a beveled edge on one side, and the limiting plate is embedded inside the connecting plate and slidably connected inside the connecting plate.

[0013] Preferably, the base plate has a groove inside to accommodate the passage of the support plate, the support plate is slidably connected inside the base plate, and the bottom of the fastening bolt is connected to the base plate.

[0014] Preferably, a number of pins are fixedly connected to the flanges on both sides of the telescopic hose that are connected to the fan body, and the pins are inserted into the flanges on both sides of the fan body.

[0015] Preferably, the fan body is equipped with a servo motor, the output end of which is connected to a rotating disk, and several mounting supports are fixedly connected around the outside of the rotating disk.

[0016] Preferably, the mounting bracket has several blades embedded inside, and the blades are connected to the mounting bracket by two connecting bolts.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] This invention incorporates an installation component and a moving component. The installation component compresses the telescopic hoses on both sides of the fan body, causing the flanges at both ends of the hoses to detach from the flanges on both ends of the fan body. This avoids the need to remove multiple bolts simultaneously during fan body disassembly, reducing the difficulty of disassembly. After disassembly, the fan body can be moved horizontally to the other side above the bottom plate via the moving component, allowing it to be removed from between the telescopic hoses for easy cleaning. The cleaning component uses a cleaning brush to lightly clean the sides of the blades, reducing dust and oil residue and decreasing the frequency of blade cleaning. Furthermore, the blades can be removed from the mounting supports on the rotating plate, facilitating individual blade removal for cleaning and allowing for thorough cleaning of all parts of the blades, reducing cleaning difficulty and minimizing blind spots. Attached Figure Description

[0019] Figure 1 A schematic diagram of a preferred embodiment of the easy-to-clean fire exhaust fan provided by this utility model;

[0020] Figure 2 A schematic diagram of the mobile component structure provided by this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the blade and the rotating disk provided by this utility model;

[0022] Figure 4 A schematic diagram of the cleaning component structure provided by this utility model;

[0023] Figure 5 A schematic diagram of the installation component structure provided by this utility model;

[0024] Figure 6 A schematic diagram of the telescopic hose structure provided by this utility model;

[0025] Figure 7 Provided by this utility model Figure 3 A magnified view of a portion of area A in the middle.

[0026] In the diagram: 1. Air duct; 2. Telescopic hose; 3. Fan body; 4. Mounting assembly; 41. Fixing plate; 42. Handle 1; 43. Connecting plate; 44. Limiting plate; 45. Drive rod; 46. Handle plate; 47. Return spring; 5. Moving assembly; 51. Support plate; 52. Handle 2; 53. Mounting plate; 54. Fastening bolt; 55. Base plate; 6. Cleaning assembly; 61. Slider; 62. Threaded block; 63. Lead screw; 64. Small motor; 65. Cleaning brush; 66. Connecting bolt 1; 7. Exhaust duct; 8. Spring top rod; 9. Pin rod; 10. Servo motor; 11. Rotary disk; 12. Mounting support; 13. Blade; 14. Connecting bolt 2. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-7As shown, a fire exhaust fan that is easy to clean includes an air duct 1, which facilitates the flow of air in the duct towards the exhaust port. A flexible telescopic hose 2 is installed on one side of the air duct 1, allowing it to extend and retract from the fan body 3. The other end of the flexible hose 2 is connected to the fan body 3, which facilitates the extraction of air into the duct and its discharge to the outside. Mounting assemblies 4 are installed on the flanges at both ends of the flexible hose 2. The mounting assemblies 4 include fixing plates 41 that are fixedly connected to the flanges at both ends of the flexible hose 2, which facilitate the support and fixation of handles 42. The fixed plate 41 is equipped with a handle 42 at one end, which facilitates the movement of the flange on the fixed plate 41 and the telescopic hose 2. A connecting plate 43 is fixedly connected to one end of the handle 42, which supports the connecting limit plate 44, the drive rod 45, and the return spring 47. The limit plate 44 is slidably connected to one side of the connecting plate 43, which facilitates the movement of the limit plate 44 to the flange on the side of the air duct 1 and the exhaust duct 7 to fix the compressed telescopic hose 2. One end of the limit plate 44 is fixedly connected to the drive rod 45, which facilitates the pulling of the limit plate. The plate 44 moves into the connecting plate 43, thereby releasing the limiting effect on the flange position on one side of the telescopic hose 2. A handle plate 46 is fixedly connected to one end of the drive rod 45. By setting the handle plate 46, it is easy to pull and move the limiting plate 44 into the connecting plate 43. One end of the handle plate 46 abuts against the return spring 47. By setting the return spring 47, it is easy to push the limiting plate 44 to move and reset within the connecting plate 43. Moving components 5 are set on both sides below the fan body 3. The moving components 5 include a support plate 51 fixedly connected to the bottom of the fan body 3. By setting the support plate 51, it is easy to adjust the fan body at the bottom of the fan body 3. The support plate 51 is fixedly connected to a handle 52 on one side of its exterior. The handle 52 allows the support plate 51 to be moved above the base plate 55. Mounting plates 53 are fixedly connected to both sides of the lower part of the support plate 51. Mounting plates 53 allow the connection of support fastening bolts 54. Fastening bolts 54 are connected inside the mounting plates 53. The fastening bolts 54 allow the mounting plates 53 to be fixed to the base plate 55 to fix the position of the mounting plates 53 and the support plate 51. The bottom of the support plate 51 extends into the base plate 55. The base plate 55 allows the support plate 51 to be supported and its position to be adjusted by sliding.A cleaning component 6 is installed inside the blower body 3. The cleaning component 6 includes a slider 61 slidably connected to the inner housing of the blower body 3. By setting the slider 61, the threaded block 62 can be smoothly moved inside the outer housing of the blower body 3. The threaded block 62 is fixedly connected above the slider 61. By setting the threaded block 62, the cleaning brush 65 can be moved and its position adjusted. A lead screw 63 is connected inside the threaded block 62. By setting the lead screw 63, the threaded blocks 62 on both sides can be moved relative to each other. It should be noted that the lead screw 63 is a bidirectional reverse thread. A lead screw 63 is fixedly connected at one end to the output end of a small motor 64. The small motor 64 facilitates the rotation of the lead screw 63. A cleaning brush 65 is embedded inside the threaded block 62. The cleaning brush 65 allows for gentle cleaning of the blades 13 during movement, reducing dust and oil residue. A connecting bolt 66 connects the cleaning brush 65 to the threaded block 62, allowing for easy removal and cleaning of the cleaning brush 65.

[0029] refer to Figure 1 and Figure 6 As shown, the telescopic hose 2 is provided in two sets and symmetrically arranged on both sides of the fan body 3. The other end of the telescopic hose 2 is connected to the exhaust pipe 7. The air guide pipe 1 and the telescopic hose 2, the telescopic hose 2 and the fan body 3, and the telescopic hose 2 and the exhaust pipe 7 are all connected to each other by flanges. The flange between the air guide pipe 1 and the telescopic hose 2 is fixedly connected by bolts, and the flange between the telescopic hose 2 and the exhaust pipe 7 is fixedly connected by bolts. Several spring rods 8 are connected between the flanges at both ends of the telescopic hose 2. By setting the spring rods 8, it is easy to remove the limiting plate 44 from the flanges on the air guide pipe 1 and the exhaust pipe 7 to drive the telescopic hose 2 to extend and return to its original position. The spring rods 8 are distributed in a ring array on the flanges of the telescopic hose 2.

[0030] refer to Figure 1 and Figure 5 As shown, the limiting plate 44 has a bevel on one side, and the limiting plate 44 is embedded in the connecting plate 43 and slidably connected inside the connecting plate 43. When the bevel on the limiting plate 44 abuts against the flange connected to the telescopic hose 2, the flange connected to the air duct 1, and the flange connected to the exhaust pipe 7, it can push the limiting plate 44 into the connecting plate 43, thereby facilitating the movement of the limiting plate 44 on each of the above flanges.

[0031] refer to Figure 1 and Figure 2 As shown, the base plate 55 has a groove inside to accommodate the support plate 51. The support plate 51 is slidably connected inside the base plate 55. The bottom of the fastening bolt 54 is connected to the base plate 55. The support plate 51 can drive the fan body 3 to move out from between the telescopic hoses 2, thereby facilitating the removal and cleaning of the fan body 3.

[0032] refer to Figure 6 As shown, several pins 9 are fixedly connected to the flanges on both sides of the telescopic hose 2 that are connected to the fan body 3. By setting the pins 9, it is easy to connect the flanges on the telescopic hose 2 to the flanges at both ends of the fan body 3. It is also easy to separate the flanges on the telescopic hose 2 from the flanges at both ends of the fan body 3. The pins 9 are inserted into the flanges on both sides of the fan body 3.

[0033] refer to Figure 3 and Figure 7 As shown, the fan body 3 is equipped with a servo motor 10. By setting the servo motor 10, it is easy to drive the rotating disk 11 to rotate. The output end of the servo motor 10 is connected to the rotating disk 11. By setting the rotating disk 11, it is easy to install and fix the mounting bracket 12. Several mounting brackets 12 are fixedly connected around the outside of the rotating disk 11. By setting the mounting brackets 12, it is easy to connect and install the blades 13. Several blades 13 are embedded inside the mounting brackets 12. By setting the blades 13, it is easy to guide the flue gas in the air guide duct 1 to the exhaust duct 7 when rotating. The blades 13 and the mounting brackets 12 are connected to each other by connecting bolts 2 14. By setting the connecting bolts 2 14, it is easy to connect and disassemble the blades 13 and the mounting brackets 12.

[0034] Working principle: When lightly cleaning the blade 13, the small motor 64 is started, which drives the lead screw 63 to rotate. When the lead screw 63 rotates, it drives the threaded blocks 62 on both sides to move relative to each other, thereby driving the cleaning brushes 65 on both sides to move and contact the blade 13. At the same time, the rotation of the blade 13 allows the cleaning brushes 65 to clean the blade 13, reducing the dust and oil stains attached to the blade 13. When a deep cleaning of the blade 13 is required, the handle 42 is pulled first. The handle 42 drives the telescopic hose 2 to compress. At the same time, the limiting plate 44 contacts the flange at the end of the telescopic hose 2, the flange at the end of the air guide pipe 1, and the flange at the end of the exhaust pipe 7, and moves on the flanges. When the limiting plate 44 moves to the other side of the end flange of the air duct 1 and the end flange of the exhaust pipe 7, the return spring 47 pushes the limiting plate 44 forward and abuts against the end flange of the air duct 1 and the end flange of the exhaust pipe 7, so that the flange of the telescopic hose 2 can be removed from the flange of the fan body 3. Then, pull the second handle 52 to pull the support plate 51 and the fan body 3 out from between the telescopic hose 2 and move them to the other side above the bottom plate 55. Then, first remove the first connecting bolt 66 between the cleaning brush 65 and the threaded block 62, and then remove the second connecting bolt 14 connected to the blade 13, so that the cleaning brush 65 and the blade 13 can be removed separately for cleaning.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fire-fighting smoke exhaust fan that is easy to clean, comprising an air duct (1), characterized in that, Also includes: A flexible hose (2) is installed on one side of the air duct (1), and the other end of the flexible hose (2) is connected to the fan body (3); An installation assembly (4) is provided on the flanges at both ends of the telescopic hose (2). The installation assembly (4) includes a fixing plate (41) fixedly connected to the flanges at both ends of the telescopic hose (2). One end of the fixing plate (41) is provided with a handle (42). One end of the handle (42) is fixedly connected to a connecting plate (43). A limit plate (44) is slidably connected to one side inside the connecting plate (43). One end of the limit plate (44) is fixedly connected to a drive rod (45). One end of the drive rod (45) is fixedly connected to a handle plate (46). One end of the handle plate (46) abuts against a return spring (47). The movable components (5) are arranged on both sides below the fan body (3). The movable components (5) include a support plate (51) fixedly connected to the bottom of the fan body (3). A handle (52) is fixedly connected to the outer side of the support plate (51). Mounting plates (53) are fixedly connected to both sides below the support plate (51). Fastening bolts (54) are connected inside the mounting plates (53). The bottom of the support plate (51) extends into the bottom plate (55). A cleaning component (6) is installed inside the blower body (3). The cleaning component (6) includes a slider (61) slidably connected in the inner housing of the blower body (3). A threaded block (62) is fixedly connected above the slider (61). A lead screw (63) is connected inside the threaded block (62). One end of the lead screw (63) is fixedly connected to the output end of a small motor (64). A cleaning brush (65) is embedded inside the threaded block (62). A connecting bolt (66) connects the cleaning brush (65) and the threaded block (62).

2. The fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: The telescopic hose (2) is provided in two sets and symmetrically arranged on both sides of the fan body (3). The other end of the telescopic hose (2) is connected to the exhaust pipe (7). The air guide pipe (1) and the telescopic hose (2), the telescopic hose (2) and the fan body (3), and the telescopic hose (2) and the exhaust pipe (7) are all connected to each other by flanges. The flange between the air guide pipe (1) and the telescopic hose (2) is fixedly connected by bolts, and the flange between the telescopic hose (2) and the exhaust pipe (7) is fixedly connected by bolts.

3. The fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: Several spring rods (8) are connected between the flanges at both ends of the telescopic hose (2), and the spring rods (8) are arranged in a ring array on the flanges of the telescopic hose (2).

4. A fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: The limiting plate (44) has a beveled edge on one side, and the limiting plate (44) is embedded inside the connecting plate (43) and slidably connected inside the connecting plate (43).

5. A fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: The base plate (55) has a groove inside to accommodate the support plate (51) to pass through. The support plate (51) is slidably connected inside the base plate (55). The bottom of the fastening bolt (54) is connected to the base plate (55).

6. A fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: Several pins (9) are fixedly connected to the flanges on both sides of the telescopic hose (2) that are connected to the fan body (3), and the pins (9) are inserted into the flanges on both sides of the fan body (3).

7. A fire-fighting smoke exhaust fan that is easy to clean according to claim 1, characterized in that: The fan body (3) is equipped with a servo motor (10) inside. The output end of the servo motor (10) is connected to a rotating disk (11). Several mounting supports (12) are fixedly connected around the outside of the rotating disk (11).

8. A fire-fighting smoke exhaust fan that is easy to clean according to claim 7, characterized in that: The mounting bracket (12) has several blades (13) embedded inside, and the blades (13) are connected to the mounting bracket (12) by connecting bolts (14).

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