Pipeline type fire-fighting smoke exhaust fan

Abstract

The utility model discloses a pipeline type fire-fighting smoke exhaust fan. The pipeline type fire-fighting smoke exhaust fan comprises a smoke exhaust pipe, a fixed pipe, an exhaust fan, a fixed seat and a filter screen, according to the pipeline type fire-fighting smoke exhaust fan, the fixing pipe can be inserted into the smoke exhaust port, the fixing ring can be tightly attached to the inner side of the smoke exhaust port, and then the pipeline type fire-fighting smoke exhaust fan can be matched with the smoke exhaust ports with different depths by adjusting the mounting mechanism; according to the pipeline type fire-fighting smoke exhaust fan, the pipeline type fire-fighting smoke exhaust fan can be fixedly installed on smoke exhaust ports with different depths, meanwhile, the installation mechanism is arranged so that the whole pipeline type fire-fighting smoke exhaust fan can be disassembled and cleaned conveniently, the disassembly, assembly and cleaning convenience of the pipeline type fire-fighting smoke exhaust fan is improved, the disassembly and assembly mechanism is arranged so that the filter screen can be disassembled and assembled conveniently, and the practicability of the pipeline type fire-fighting smoke exhaust fan is improved. Oil stains adhered to the filter screen can be conveniently cleaned, and the convenience and the structural simplicity of the disassembly and assembly cleaning work of the filter screen are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire protection, in particular to a pipeline type fire protection smoke exhaust fan. Background Art

[0002] The duct type fire smoke exhaust fan is a machine that can quickly exhaust odor, high temperature and oil smoke gas. The advantages of the duct type fire smoke exhaust fan are good temperature resistance and high efficiency. It can effectively exhaust various harmful gases that need to be exhausted. However, the existing duct type fire smoke exhaust fan still has some defects during use;

[0003] A duct type fire smoke exhaust fan proposed in application number CN202222275946.1 relates to the technical field of smoke exhaust fans. The utility model includes a fan body, a filter screen and a mounting frame. A mounting slot is provided in the fan body, a spring is installed in the mounting slot, a slider is connected to the spring, and a block is connected to the slider. A side of the fan body is provided with a plurality of slots, a plug block is installed in the slot, and a card slot is provided on the upper surface of the plug block. Slide slots are provided on both the front and rear surfaces of the fan body, and a slide bar is installed in the slide slot. The filter screen is card-fitted with the fan body. In actual use, the duct type fire smoke exhaust fan will be installed at the vent through fixings and bolts during installation, so that there is a phenomenon of great difficulty in operation in the process of disassembling and cleaning the duct type fire smoke exhaust fan. At the same time, when the filter screen is disassembled and cleaned, the filter screen disassembly structure has a complex structure.

[0004] Therefore, we proposed a ducted fire smoke exhaust fan to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a duct type fire smoke exhaust fan to solve the problems of inconvenience in overall disassembly, assembly and cleaning and complex disassembly and assembly structure of the filter screen in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a duct-type fire smoke exhaust fan, including a smoke exhaust pipe, a fixed pipe, an exhaust fan, a fixed seat and a filter screen,

[0007] A fixing ring is fixedly installed at one end of the smoke exhaust pipe, the inner ring of the fixing ring is fixedly sleeved with a fixing pipe, a mounting mechanism is arranged inside the fixing pipe and the smoke exhaust pipe, and the outer ring of the fixing pipe is sleeved with a smoke exhaust port;

[0008] An exhaust fan is rotatably installed inside the exhaust pipe, one end of the exhaust fan is connected to a driving motor, and a fixing seat is fixedly installed on the other end of the exhaust pipe, and the driving motor is fixedly connected to the fixing seat;

[0009] A filter screen is embedded and installed inside the fixing seat. The filter screen is fixedly connected to the fixing seat through a disassembly and assembly mechanism. The disassembly and assembly mechanism is distributed at equal angles between the filter screen and the fixing seat.

[0010] Preferably, the mounting mechanism includes an adjusting rod, which passes through both sides of the smoke exhaust pipe, one end of the adjusting rod is connected to a connecting shaft, and the outer ring of the connecting shaft is sleeved with a movable plate, and limiting holes are symmetrically opened on both sides of the smoke exhaust pipe, and the inside of the limiting hole is slidably connected with a first limiting rod, one end of the first limiting rod is fixedly connected to the movable plate, and the inside of the movable plate is connected with a screw and a second limiting rod, and one end of the screw and the second limiting rod is connected to a positioning plate.

[0011] The above-mentioned structural design makes it easy to connect and disassemble the ducted fire smoke exhaust fan and the smoke exhaust port through the installation mechanism, thereby facilitating the disassembly and cleaning of the ducted fire smoke exhaust fan, thereby improving the convenience of disassembly and assembly structure and cleaning of the ducted fire smoke exhaust fan.

[0012] Preferably, the adjusting rod is threadedly connected to the smoke exhaust pipe, and the adjusting rod is connected to the movable plate bearing via a connecting shaft, and the size of the limiting hole matches the size of the first limiting rod.

[0013] The above-mentioned structural design makes it convenient to extend and retract the movable plate and the positioning plate by rotating the adjusting rod, thereby controlling the fitting and separation of the movable plate and the positioning plate from the smoke exhaust port, which is beneficial to the disassembly and assembly of the ducted fire smoke exhaust fan in conjunction with the fixing ring, thereby improving the convenience of the disassembly and assembly operation.

[0014] Preferably, the positioning plate is threadedly connected to the movable plate via a screw, and the second limiting rods are symmetrically distributed about the center lines of the positioning plate and the movable plate, and the second limiting rods are slidably connected to the movable plate.

[0015] The above structural design makes it easy to adjust the position of the positioning plate by rotating the screw, thereby facilitating the installation of the duct type fire smoke exhaust fan with smoke exhaust ports of different lengths, thereby improving the installation adaptability of the duct type fire smoke exhaust fan.

[0016] Preferably, the disassembly and assembly mechanism includes a limit seat, the outer ring of the filter net is fixedly installed with the limit seat, the limit seat is internally slidably connected with a clamping seat, a limit groove is provided inside the clamping seat, a fixing rod is internally slidably connected with the limit groove, both ends of the fixing rod are fixedly connected to the limit seat, one end of the fixing rod is sleeved with a spring, both ends of the spring are connected with the clamping seat and the limit seat, and a clamping groove corresponding to the clamping seat is provided on the fixing seat.

[0017] The above structural design makes it easy to disassemble and assemble the filter through the disassembly and assembly mechanism, which is beneficial for cleaning the sticky oil stains on the filter, thereby improving the operational convenience and structural simplicity of disassembly and cleaning of the filter of the pipeline fire smoke exhaust fan.

[0018] Preferably, the holder is telescopically connected to the fixing rod and the holder through a limiting groove and a spring, and the holder is engaged with the groove.

[0019] The above structural design makes it easier for the limit seat and the fixing rod to limit the extension and retraction of the card seat, which is beneficial to the connection and separation of the card slot through the extension and retraction control of the card seat, thereby improving the operational convenience and stability of the disassembly and assembly mechanism.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the pipeline fire smoke exhaust fan;

[0021] 1. A smoke exhaust pipe, a fixing ring, a fixing pipe, a mounting mechanism and a smoke exhaust port are provided, so that the fixing pipe can be inserted into the inside of the smoke exhaust port, and the fixing ring can be closely fitted with the inner side of the smoke exhaust port, and then the mounting mechanism can be adjusted to adapt to the smoke exhaust ports of different depths, which is conducive to fixing the duct type fire smoke exhaust fan on the smoke exhaust ports of different depths. At the same time, the setting of the mounting mechanism also facilitates the overall disassembly and cleaning of the duct type fire smoke exhaust fan, thereby improving the convenience of disassembly, assembly and cleaning of the duct type fire smoke exhaust fan;

[0022] 2. An exhaust pipe, an exhaust fan, a driving motor, a fixing seat, a filter and a disassembly and assembly mechanism are provided, so that the exhaust pipe cooperates with the driving motor to drive the exhaust fan to rotate, which is conducive to the effective exhaust of smoke. In the process of exhausting smoke, the filter can filter the oil in the smoke, and the disassembly and assembly mechanism is convenient for the disassembly and assembly of the filter, which is conducive to the convenient cleaning of the oil stuck on the filter, thereby improving the convenience of the disassembly and assembly of the filter and the simplicity of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the side section structure of the smoke exhaust pipe and the fixed pipe of the utility model;

[0025] Figure 3 This is a schematic diagram of the side section structure of the installation mechanism of the utility model;

[0026] Figure 4 It is a schematic diagram of the side section of the fixing seat and the decomposed structure of the filter screen of the utility model;

[0027] Figure 5 It is a schematic diagram of the side section structure of the disassembly and assembly mechanism of the utility model.

[0028] In the figure: 1. exhaust pipe; 2. fixing ring; 3. fixing pipe; 4. installation mechanism; 401. adjusting rod; 402. connecting shaft; 403. movable plate; 404. limiting hole; 405. first limiting rod; 406. screw rod; 407. second limiting rod; 408. positioning plate; 5. exhaust port; 6. exhaust fan; 7. driving motor; 8. fixing seat; 9. filter; 10. disassembly and assembly mechanism; 1001. limiting seat; 1002. clamping seat; 1003. limiting slot; 1004. fixing rod; 1005. spring; 1006. clamping slot. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-3 The utility model provides a technical solution: a duct-type fire smoke exhaust fan, comprising a smoke exhaust pipe 1, a fixed pipe 3, an exhaust fan 6, a fixed seat 8 and a filter screen 9, one end of the smoke exhaust pipe 1 is fixedly installed with a fixed ring 2, the inner ring of the fixed ring 2 is fixedly sleeved with a fixed pipe 3, the fixed pipe 3 and the smoke exhaust pipe 1 are provided with a mounting mechanism 4, the outer ring of the fixed pipe 3 is sleeved with a smoke exhaust port 5, the mounting mechanism 4 comprises an adjusting rod 401, both sides of the smoke exhaust pipe 1 are penetrated with the adjusting rod 401, the adjusting rod 401 is threadedly connected to the smoke exhaust pipe 1, one end of the adjusting rod 401 is connected to a connecting shaft 402, the outer ring of the connecting shaft 402 is sleeved with a movable plate 403, and the adjusting rod 401 is bearing-connected with the movable plate 403 through the connecting shaft 402, and the two sides of the smoke exhaust pipe 1 are symmetrically provided with limiting holes 404, the inner part of the limiting hole 404 is slidably connected with a first limiting rod 405, and the limiting The size of the positioning hole 404 is consistent with the size of the first limiting rod 405, one end of the first limiting rod 405 is fixedly connected to the movable plate 403, the interior of the movable plate 403 is connected with a screw 406 and a second limiting rod 407, the positioning plate 408 is threadedly connected to the movable plate 403 through the screw 406, and the second limiting rod 407 is symmetrically distributed about the center line of the positioning plate 408 and the movable plate 403, and the second limiting rod 407 is slidably connected to the movable plate 403, one end of the screw 406 and the second limiting rod 407 is connected to the positioning plate 408, the design of the above structure enables the rotation of the screw 406 to make it extend and retract in the internal thread of the movable plate 403, and then adjust the position of the positioning plate 408 to adapt to the length of the smoke exhaust port 5, wherein the setting of the second limiting rod 407 can limit the position adjustment of the positioning plate 408 to enhance stability;

[0031] By rotating the adjusting rod 401, it can be extended and retracted inside the smoke exhaust pipe 1, and then the connecting shaft 402 is used to drive the movable plate 403 and the positioning plate 408 to extend and retract, so that it is convenient to plug the fixed tube 3 and the smoke exhaust port 5 when retracted, and at the same time, it is convenient to cooperate with the fixing ring 2 to be fixedly connected with the smoke exhaust port 5 when deeply extended, thereby improving the convenience of disassembly and assembly of the ducted fire smoke exhaust fan, wherein the setting of the first limit rod 405 cooperates with the limit hole 404 to limit the adjustment of the movable plate 403.

[0032] Specific as Figure 1-2 and Figure 4 As shown, an exhaust fan 6 is rotatably installed inside the smoke exhaust pipe 1, one end of the exhaust fan 6 is connected to a driving motor 7, and a fixing seat 8 is fixedly installed on the other end of the smoke exhaust pipe 1, and the driving motor 7 is fixedly connected to the fixing seat 8. The design of the above structure enables the driving motor 7 to drive the exhaust fan 6 to rotate inside the smoke exhaust pipe 1, so that the exhaust fan 6 cooperates with the smoke exhaust pipe 1, the fixing seat 8 and the fixed pipe 3 to achieve efficient smoke exhaust when rotating.

[0033] Specific as Figure 1-2 and Figure 4-5 As shown, a filter screen 9 is embedded in the interior of the fixed seat 8, and the filter screen 9 is fixedly connected to the fixed seat 8 through a disassembly and assembly mechanism 10. The disassembly and assembly mechanism 10 is distributed at equal angles between the filter screen 9 and the fixed seat 8. The disassembly and assembly mechanism 10 includes a limit seat 1001. The outer ring of the filter screen 9 is fixedly installed with the limit seat 1001. The interior of the limit seat 1001 is slidably connected with a clamping seat 1002. The interior of the clamping seat 1002 is provided with a limit groove 1003. The interior of the limit groove 1003 is slidably connected with a fixed rod 1004. Both ends of the fixed rod 1004 are fixedly connected to the limit seat 1001. One end of the fixed rod 1004 is sleeved with a spring 1005. Both ends of the spring 1005 are connected to the clamping seat 1002 and the limit seat 1001. The holder 1002 is connected to the fixed rod 1004 and the limit seat 1001 through the limit groove 1003 and the spring 1005. A slot 1006 corresponding to the holder 1002 is provided on the fixed seat 8, and the holder 1002 is engaged with the slot 1006. The design of the above structure allows the holder 1002 to slide inside the limit seat 1001 by pushing the holder 1002 and resetting the holder 1005 by the spring 1005, and at the same time, it can be limited and extended on the fixed rod 1004 through the limit groove 1003, which is beneficial to control the engagement and separation between the holder 1002 and the slot 1006, so that the filter 9 can be conveniently disassembled and cleaned.

[0034] Working principle: When using the duct type fire smoke exhaust fan, first Figure 1-5As shown, according to the length of the smoke exhaust port 5, the screw rod 406 is rotated to make it extend and position inside the movable plate 403, thereby driving the positioning plate 408 to adjust the position until the distance between the positioning plate 408 and the fixing ring 2 is adapted to the length of the smoke exhaust port 5, and then the fixing pipe 3 is inserted into the smoke exhaust port 5, and the fixing ring 2 is fitted with one side of the smoke exhaust port 5, and then the adjusting rod 401 is rotated to make it extend inside the smoke exhaust pipe 1, and the movable plate 403 and the positioning plate 408 are extended in coordination with the rotation of the connecting shaft 402, until the positioning plate 408 is tightly fitted with the other side of the smoke exhaust port 5, thereby completing the installation of the duct type fire smoke exhaust fan, when smoke exhaust is required, the driving motor 7 is started to drive the exhaust fan 6 to rotate at a high degree, so that the exhaust fan 6 generates suction during the rotation process to extract smoke through the smoke exhaust pipe 1 and the fixing seat 8 and discharge it through the fixed pipe 3, thereby completing the smoke exhaust operation;

[0035] When the filter 9 needs to be disassembled and cleaned, the base 1002 is pulled to slide inside the limit seat 1001 and on the surface of the fixed rod 1004, so that the base 1002 is separated from the slot 1006, and then the filter 9 can be disassembled and cleaned. During installation, the filter 9 is embedded in the fixed seat 8, so that the spring 1005 pushes the base 1002 in and out to reset, and the base 1002 is engaged with the slot 1006, thereby completing the positioning and installation of the filter 9.

[0036] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A duct-type fire smoke exhaust fan, comprising a smoke exhaust pipe (1), a fixed pipe (3), an exhaust fan (6), a fixed seat (8) and a filter screen (9), characterized in that: A fixing ring (2) is fixedly mounted on one end of the smoke exhaust pipe (1); a fixing pipe (3) is fixedly sleeved on the inner ring of the fixing ring (2); a mounting mechanism (4) is provided inside the fixing pipe (3) and the smoke exhaust pipe (1); and a smoke exhaust port (5) is sleeved on the outer ring of the fixing pipe (3); An exhaust fan (6) is rotatably mounted inside the exhaust pipe (1), one end of the exhaust fan (6) is connected to a drive motor (7), and a fixing seat (8) is fixedly mounted on the other end of the exhaust pipe (1), the drive motor (7) being fixedly connected to the fixing seat (8); A filter screen (9) is embedded and installed inside the fixing seat (8), and the filter screen (9) is fixedly connected to the fixing seat (8) via a disassembly and assembly mechanism (10). The disassembly and assembly mechanism (10) is distributed at equal angles between the filter screen (9) and the fixing seat (8).

2. A duct type fire smoke exhaust fan according to claim 1, characterized in that: The mounting mechanism (4) comprises an adjusting rod (401), the adjusting rods (401) passing through both sides of the smoke exhaust pipe (1), one end of the adjusting rod (401) being connected to a connecting shaft (402), the outer ring of the connecting shaft (402) being sleeved with a movable plate (403), limiting holes (404) being symmetrically provided on both sides of the smoke exhaust pipe (1), the interior of the limiting hole (404) being slidably connected to a first limiting rod (405), one end of the first limiting rod (405) being fixedly connected to the movable plate (403), the interior of the movable plate (403) being connected to a screw rod (406) and a second limiting rod (407), one end of each of the screw rod (406) and the second limiting rod (407) being connected to a positioning plate (408).

3. A duct type fire smoke exhaust fan according to claim 2, characterized in that: The adjusting rod (401) is threadedly connected to the smoke exhaust pipe (1), and the adjusting rod (401) is bearing-connected to the movable plate (403) via a connecting shaft (402), and the size of the limiting hole (404) matches the size of the first limiting rod (405).

4. The duct type fire smoke exhaust fan according to claim 2, characterized in that: The positioning plate (408) is threadedly connected to the movable plate (403) via a screw rod (406), and the second limiting rod (407) is symmetrically distributed about the center line of the positioning plate (408) and the movable plate (403), and the second limiting rod (407) is slidably connected to the movable plate (403).

5. The duct type fire smoke exhaust fan according to claim 1, characterized in that: The disassembly and assembly mechanism (10) comprises a limit seat (1001), the outer ring of the filter screen (9) is fixedly mounted with the limit seat (1001), the interior of the limit seat (1001) is slidably connected to a clamping seat (1002), the interior of the clamping seat (1002) is provided with a limit slot (1003), the interior of the limit slot (1003) is slidably connected to a fixing rod (1004), both ends of the fixing rod (1004) are fixedly connected to the limit seat (1001), one end of the fixing rod (1004) is sleeved with a spring (1005), both ends of the spring (1005) are connected to the clamping seat (1002) and the limit seat (1001), and the fixing seat (8) is provided with a clamping slot (1006) corresponding to the clamping seat (1002).

6. A duct type fire smoke exhaust fan according to claim 5, characterized in that: The clamping seat (1002) is connected to the fixing rod (1004) and the limiting seat (1001) in a limiting telescopic manner via the limiting groove (1003) and the spring (1005), and the clamping seat (1002) is connected in a clamping manner to the clamping groove (1006).

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