Axial-flow type fire-fighting smoke exhaust fan with adjustable structure

Abstract

The utility model discloses an axial flow type fire-fighting smoke exhaust fan with an adjustable structure, which relates to the technical field of fire-fighting fans, and comprises a shell, a support rail is fixed at the lower part in the shell, the top of the support rail is connected with a sliding table through a support block, a splash-proof frame is fixed on one side of the top of the sliding table, and one side of the sliding table is connected with a baffle plate. Rollers are connected to the bottoms of the baffles. Through the arrangement of the baffles, the rollers, the supporting rails, the supporting blocks, the sliding table and the splash-proof frame, rotation adjustment is converted into sliding adjustment, the sliding direction is the smoke discharging direction, and due to the fact that smoke is discharged through high-temperature gas, articles are usually forbidden to be placed in the smoke discharging direction, and space waste can be reduced; when maintenance is needed, the baffle is pulled to enable the sliding table to extend out of the shell, meanwhile, the supporting blocks slide in the supporting rails, the rolling wheels slide on the ground, and the baffle and the sliding table are supported through the supporting blocks, the supporting rails and the rolling wheels; the positions of the motor and the fan blades are convenient to adjust, thereby facilitating maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fan technical field, concretely is a kind of axial flow type fire smoke exhaust fan with adjustable structure. BACKGROUND

[0002] Fire smoke exhaust fan is mainly installed on the roof of house, when fire occurs, fire-fighting system will start fire smoke exhaust fan to remove the smoke generated by flame, while making fresh air from outside into house, to avoid that smoke is too large to cause personnel difficult to escape.

[0003] The utility model discloses a kind of axial flow type fire smoke exhaust fan with adjustable structure of application No.202121322366.2, the upper end middle of the upper shell is provided with radiator pipe;Support, it is provided in the both sides of the radiator pipe;Hinge, it is provided on the upper end right side of the upper shell;Limiting block, it is provided in the lower end in the support;Rubber block, it is actually provided in the upper end of the limiting block;Tension block, it is provided in the upper end of the rubber block;Spring, it is provided in the outer ring lower end of the tension block.The axial flow type fire smoke exhaust fan with adjustable structure compared with the existing ordinary axial flow type fire smoke exhaust fan, when axial flow type fire smoke exhaust fan works, after encountering higher than certain temperature, will trigger atomizer, can accelerate the cooling of axial flow type fire smoke exhaust fan pipeline, can prolong the life of machine, by the elastic structure between tension block and rubber block and spring, axial flow type fire smoke exhaust fan pipeline can be greatly reduced with electric fan vibration.

[0004] The existing smoke exhaust fan is mainly installed on the ceiling or roof in fire room, if the area of house is too large, multiple smoke exhaust fans can be placed side by side on the roof, if multiple fans are placed side by side on the roof, since it needs to be rotated to open, a large gap needs to be left between each fan, and no sundries or pipelines can be placed during the period, which occupies a large space, and only hinges are used to support part of the shell, motor fan blades and other structures, so the stability is poor, and the hinges are easy to break, causing the structure to fall and be damaged. TECHNICAL SOLUTION

[0005] Therefore, the utility model aims at providing an axial flow type fire smoke exhaust fan with adjustable structure to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an axial flow type fire smoke exhaust fan with adjustable structure, comprising a shell, a support rail is fixed inside and below the shell, and a sliding table is connected to the top of the support rail through a support block, a splash guard is fixed to one side of the top of the sliding table, a baffle is connected to one side of the sliding table, and a roller is connected to the bottom of the baffle.

[0007] By adopting the technical scheme, rotation adjustment is changed into sliding adjustment, the sliding direction is the smoke exhaust direction, since the smoke exhaust is high-temperature gas, therefore, the smoke exhaust direction is usually prohibited to place articles, thus, space waste can be reduced; when maintenance is needed, the baffle is pulled to make the sliding table extend out of the shell, at the same time, the supporting blocks slide in the supporting rails, and the rollers slide on the ground, the baffle and the sliding table are supported by the supporting blocks, the supporting rails and the rollers, at this time, the motor is exposed to facilitate maintenance, at the same time, the outer circle of the fan blade is surrounded by the setting of the splash-proof frame, so as to avoid that the broken fragments of the fan blade are shot out to injure the surrounding staff and articles under the influence of centrifugal force during testing.

[0008] Further, the length of the supporting block is equal to the length of the supporting rail, and the bottom of the roller is in the same plane as the bottom of the shell.

[0009] By adopting the technical scheme, the baffle and the sliding table are supported by the supporting blocks, the supporting rails and the rollers, so as to avoid that the motor is damaged due to the falling of the sliding table.

[0010] Further, the cross section of the supporting block is in the shape of "convex", and the sliding table is slidingly connected with the supporting rail through the supporting block.

[0011] By adopting the technical scheme, when maintenance of the fire smoke exhaust fan is needed, the staff pulls the baffle to make the sliding table extend out of the shell, at the same time, the supporting blocks slide in the supporting rails, so as to expose the motor to facilitate maintenance.

[0012] Further, one side of the shell is connected with the smoke inlet pipe, one side of the baffle is connected with the smoke exhaust pipe, and one end of the smoke exhaust pipe is inclined downward.

[0013] By adopting the technical scheme, after the fan blade rotates, the airflow generated by the fan blade is discharged to the outside through the smoke inlet pipe and the smoke exhaust pipe.

[0014] Further, the top of the sliding table is provided with the motor, and the output end of the motor is connected with the fan blade through the shaft coupling.

[0015] By adopting the technical scheme, during work, the output end of the motor drives the fan blade to rotate through the shaft coupling, and the airflow is generated after the fan blade rotates.

[0016] Further, the fan blade is located in the interior of the splash-proof frame.

[0017] By adopting the technical scheme, the outer circle of the fan blade is surrounded by the setting of the splash-proof frame, so as to avoid that the broken fragments of the fan blade are shot out to injure the surrounding staff and articles under the influence of centrifugal force during testing.

[0018] Further, the heat shield is fixed in the interior of the shell, and the heat shield is connected with the heat insulation pipe on one side.

[0019] By adopting the technical scheme, the high-temperature flue gas is reduced in contact with the motor through the setting of the heat shield, and the heat dissipation component of the motor can introduce fresh normal-temperature air outside into the heat shield through the heat insulation pipe, so that the motor is conveniently heat-dissipated, and the downward inclination of one end of the heat insulation pipe can avoid rainwater from entering.

[0020] Further, one end of the heat insulation pipe extends to the top of the shell, and the one end of the heat insulation pipe is downwardly inclined.

[0021] By adopting the technical scheme, the heat dissipation component of the motor can introduce fresh normal-temperature air outside into the heat shield through the heat insulation pipe, so that the motor is conveniently heat-dissipated, and the downward inclination of one end of the heat insulation pipe can avoid rainwater from entering.

[0022] Further, the motor is located inside the heat shield.

[0023] By adopting the technical scheme, the high-temperature flue gas is reduced in contact with the motor through the setting of the heat shield, so that the working time of the motor in the fan is prolonged.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] The utility model discloses a baffle, gyro wheel, support rail, support block, slide table and splash guard are set, and the rotation is adjusted and changes into sliding adjustment, and the sliding direction is the smoke exhaust direction, and because the smoke exhaust is high-temperature gas, so the smoke exhaust direction usually prohibits the article and places, so can reduce the space waste, when needing to overhaul, pull the baffle and make the slide table extend from the shell, and the support block slides in the support rail, and the gyro wheel slides on the ground, and the baffle and the slide table are supported through the support block, the support rail and the gyro wheel, and the motor is exposed at this time, and the fan blade outer circle is surrounded through the setting of the splash guard, and the fan blade is prevented from breaking and fragmenting and shooting out and hurting the surrounding staff and articles under the influence of centrifugal force when testing, and the position of the motor and the fan blade is conveniently adjusted, so the motor and the fan blade are conveniently overhauled. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structural schematic diagram of the utility model;

[0027] Figure 2 It is the cross section structure schematic diagram of the utility model when working;

[0028] Figure 3 It is the cross section structure schematic diagram of the utility model when overhauling;

[0029] Figure 4 It is the slide table structure schematic diagram of the utility model.

[0030] In the figure: 1. outer casing; 2. smoke inlet pipe; 3. smoke exhaust pipe; 4. baffle; 5. roller; 6. support rail; 7. support block; 8. slide; 9. splash guard; 10. heat shield; 11. heat insulation pipe; 12. motor; 13. coupling; 14. fan blade. DETAILED DESCRIPTION

[0031] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] The following describes an embodiment of the present invention based on its overall structure.

[0033] Example 1:

[0034] An axial flow fire smoke exhaust fan with an adjustable structure, such as Figures 1-4 As shown, it includes a shell 1, a support rail 6 is fixed at the bottom of the inside of the shell 1, and a slide 8 is connected to the top of the support rail 6 through a support block 7. The length of the support block 7 is equal to the length of the support rail 6, and the cross-section of the support block 7 is in a "convex" shape. The slide 8 is slidably connected to the support rail 6 through the support block 7, and the baffle 4 is pulled to make the slide 8 extend from the shell 1. At this time, the motor 12 is exposed for easy maintenance; a splash guard 9 is fixed to one side of the top of the slide 8, and the fan blades 14 are located inside the splash guard 9 to prevent the fan blades 14 from breaking during testing and being ejected by centrifugal force to injure surrounding personnel and objects; a baffle 4 is connected to one side of the slide 8, and a roller 5 is connected to the bottom of the baffle 4. The bottom of the roller 5 is in the same plane as the bottom of the shell 1, and the baffle 4 and the slide 8 are supported by the support block 7, the support rail 6 and the roller 5.

[0035] See Figures 1-4 In the above embodiment, a smoke inlet pipe 2 is connected to one side of the housing 1, and a smoke exhaust pipe 3 is connected to one side of the baffle 4, so as to discharge the smoke generated by the fire in the house to the outside; one end of the smoke exhaust pipe 3 is tilted downward to prevent rainwater from entering; a motor 12 is installed on the top of the slide 8, and the output end of the motor 12 is connected to the fan blade 14 through the coupling 13. The output end of the motor 12 drives the fan blade 14 to rotate through the coupling 13, and the fan blade 14 generates airflow when it rotates.

[0036] Example 2:

[0037] On the basis of the above embodiment 1, in order to facilitate heat dissipation of the motor 12, the following settings are now adopted.

[0038] See Figure 2 and Figure 3In the above embodiment, the heat shield 10 is fixed inside the shell 1, and the motor 12 is located inside the heat shield 10, so that the contact between the high-temperature flue gas and the motor 12 is reduced by the heat shield 10; the heat shield pipe 11 is connected to one side of the heat shield 10, and one end of the heat shield pipe 11 extends to the top of the shell 1, so that the fresh normal-temperature air outside can be introduced into the heat shield 10 through the heat shield pipe 11, thereby facilitating heat dissipation of the motor 12; and the one end of the heat shield pipe 11 is inclined downward, so that rainwater can be prevented from entering.

[0039] The implementation principle of the utility model is as follows: firstly, during work, the motor 12 output end drives the fan blade 14 to rotate through the shaft coupling 13, and the airflow generated after the rotation of the fan blade 14 is discharged to the outside through the smoke inlet pipe 2 and the smoke exhaust pipe 3, during which the contact between the high-temperature flue gas and the motor 12 is reduced by the heat shield 10, and the fresh normal-temperature air outside can be introduced into the heat shield 10 through the heat shield pipe 11, thereby facilitating heat dissipation of the motor 12, and the one end of the heat shield pipe 11 is inclined downward, so that rainwater can be prevented from entering;

[0040] When the fire-fighting smoke exhaust fan needs to be overhauled and maintained, the worker pulls the baffle 4 to make the sliding table 8 extend out of the shell 1, and the supporting block 7 slides in the supporting rail 6, and the roller 5 slides on the ground, the baffle 4 and the sliding table 8 are supported by the supporting block 7, the supporting rail 6 and the roller 5, at this time, the motor 12 is exposed for easy maintenance, and the outer circle of the fan blade 14 is surrounded by the splash-proof frame 9, so that the broken fragments of the fan blade 14 are prevented from being shot out under the influence of centrifugal force to injure the surrounding workers and articles; after the overhaul and maintenance are completed, the worker pushes the baffle 4 back, so that the motor 12, the shaft coupling 13 and the fan blade 14 return to the inside of the shell 1, at this time, the worker can lock the shell 1 and the baffle 4 together by the lock, so that the fan is prevented from being opened by outsiders.

[0041] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A axial flow fire smoke exhaust fan with adjustable structure, comprising a casing (1), characterized in that: The support rail (6) is fixed below the shell (1), and the top of the support rail (6) is connected with the sliding table (8) through the support block (7), one side of the top of the sliding table (8) is fixed with the splash-proof frame (9), one side of the sliding table (8) is connected with the baffle (4), and the bottom of the baffle (4) is connected with the roller (5).

2. The axial flow fire smoke exhaust fan with adjustable structure according to claim 1, characterized in that: The length of the support block (7) is equal to the length of the support rail (6), and the bottom of the roller (5) is in the same plane as the bottom of the shell (1).

3. The axial flow fire smoke exhaust fan with adjustable structure according to claim 2, characterized in that: The cross section of the support block (7) is "convex", and the sliding table (8) is connected with the support rail (6) through the support block (7).

4. The axial flow fire smoke exhaust fan with adjustable structure according to claim 1, characterized in that: One side of the shell (1) is connected with the smoke inlet pipe (2), one side of the baffle (4) is connected with the smoke exhaust pipe (3), and one end of the smoke exhaust pipe (3) is inclined downward.

5. The axial flow fire smoke exhaust fan with adjustable structure according to claim 4, characterized in that: The top of the sliding table (8) is provided with the motor (12), and the output end of the motor (12) is connected with the fan blade (14) through the shaft coupling (13).

6. The axial flow fire smoke exhaust fan with adjustable structure according to claim 5, characterized in that: The fan blade (14) is located in the interior of the splash-proof frame (9).

7. The axial flow fire smoke exhaust fan with adjustable structure according to claim 5, characterized in that: The shell (1) is fixed with the heat shield (10), and one side of the heat shield (10) is connected with the heat insulation pipe (11).

8. The axial flow fire smoke exhaust fan with adjustable structure according to claim 7, characterized in that: One end of the heat insulation pipe (11) extends to the top of the shell (1), and one end of the heat insulation pipe (11) is inclined downward.

9. The axial flow fire smoke exhaust fan with adjustable structure according to claim 7, characterized in that: The motor (12) is located in the interior of the heat shield (10).

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