Adjustable fire-fighting fan

Abstract

The utility model discloses an adjustable fire-fighting fan, which relates to the technical field of fire-fighting fans, and comprises a first guide cylinder, a fluted disc, a second guide cylinder, a motor and a pneumatic telescopic rod, the side surface of the first guide cylinder is provided with a reversing mechanism, and the reversing mechanism comprises the fluted disc, the second guide cylinder, the motor, a limiting groove and a fixing ring; according to the preferable technical scheme, a filter screen is fixedly embedded into the inner wall of the first guide cylinder, a fan is fixed to the right side of the filter screen in parallel, bearing frames are fixedly connected to the lower portion of the first guide cylinder, the two bearing frames are fixed in parallel, and the two bearing frames are fixedly connected to the lower portion of the first guide cylinder. The bearing frame is of a T-shaped structure, the exhaust direction can be flexibly adjusted, the exhaust direction can be rapidly adjusted according to the actual situation of a fire scene, the smoke exhaust efficiency is improved, and fire spreading is more effectively controlled.

Description

Technical Field

[0001] This utility model relates to the field of fire-fighting fan technology, specifically an adjustable fire-fighting fan. Background Technology

[0002] Fire-fighting fans are critical ventilation devices used for smoke extraction and air supply during a fire. They are essential for ensuring the safe evacuation of personnel and the smooth progress of fire rescue operations. However, existing fire-fighting fans have some shortcomings, such as:

[0003] Application No.: CN202411832824.5 discloses a fire-fighting fan device that is easy to install, but this device does not have an angle adjustment function. In actual use, the air inlet and outlet positions are relatively fixed, while the situation when a fire source occurs is unpredictable, so this device may not be able to achieve a good ventilation effect. Utility Model Content

[0004] The purpose of this invention is to provide an adjustable fire-fighting fan to address the problem mentioned in the background section that existing market devices do not have an angle adjustment function. In actual use, the air inlet and outlet positions are relatively fixed, while the situation when a fire occurs is unpredictable, so the device may not be able to achieve a good ventilation effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable fire-fighting fan, comprising a first guide tube, a gear disc, a second guide tube, a motor, and a pneumatic telescopic rod;

[0006] A reversing mechanism is provided on the side of the first guide tube. The reversing mechanism includes a gear plate, a second guide tube, a motor, a limiting groove, and a fixing ring. The motor meshes with the gear plate to drive the second guide tube to rotate and change the exhaust direction.

[0007] As a preferred technical solution of this utility model, a fixed filter screen is embedded in the inner wall of the first guide tube, a fan is fixed parallel to the right side of the filter screen, and a support frame is fixedly connected below the first guide tube. There are two parallel fixed support frames, and the support frames are in a T-shape.

[0008] Using the above technical solution, a fixed filter screen is embedded in the inner wall of the first guide tube to filter impurities in the air and prevent them from entering the fan and affecting its operation. The fan is fixed parallel to the right side of the filter screen to provide power for exhaust. A support frame is fixedly connected below the first guide tube. There are two parallel support frames, and the support frames are T-shaped to ensure the stability of the fan placement.

[0009] As a preferred technical solution of this utility model, in the reversing mechanism, the fixing ring is fixedly connected to the right side of the first guide tube, the right side of the first guide tube is fitted with the second guide tube, the left side of the second guide tube is provided with a limiting groove, and the limiting groove matches the fixing ring. The second guide tube has a 60-degree elbow structure.

[0010] Using the above technical solution, the fixed ring in the reversing mechanism is fixedly connected to the right side of the first guide tube, and the second guide tube is fitted on the right side of the first guide tube. A limiting groove is opened on the left side of the second guide tube, and the limiting groove matches the fixed ring. This structure enables the second guide tube to remain stable during rotation and will not deviate. The second guide tube has a 60-degree elbow structure, which facilitates changing the exhaust angle.

[0011] As a preferred embodiment of this utility model, a geared disc is fixedly connected to the left side of the second guide tube, and a motor is fixedly connected to the right side surface of the first guide tube. The output shaft of the motor is fixed with a gear, and the motor is connected to the geared disc through gear meshing.

[0012] Using the above technical solution, a geared disc is fixedly connected to the left side of the second guide tube, and a motor is fixedly connected to the right side surface of the first guide tube. The output shaft of the motor is fixed with a gear, and the motor is connected to the geared disc through gear meshing. When the motor starts, it drives the gear to rotate, thereby driving the geared disc and the second guide tube to rotate.

[0013] As a preferred technical solution of this utility model, a flange ring is fixedly connected to the right side of the first guide tube, a third guide tube is rotatably connected to the left side of the second guide tube, a motor is fixedly connected to the side of the third guide tube, and a flange ring of the same size as the first guide tube is fixed to the left side of the third guide tube, and the flange rings are fixed together with bolts. A support frame is fixedly connected to the bottom of the third guide tube.

[0014] Using the above technical solution, a flange ring is fixedly connected to the right side of the first guide tube, and a third guide tube is rotatably connected to the left side of the second guide tube. A motor is fixedly connected to the side of the third guide tube, and a flange ring of the same size as the first guide tube is fixed to the left side of the third guide tube, and the flange rings are bolted together. This connection method facilitates installation and disassembly. A support frame is fixedly connected to the bottom of the third guide tube to further enhance stability.

[0015] As a preferred technical solution of this utility model, the right side of the first guide tube is fixed to the fourth guide tube by a flange ring and bolts, and the right side of the fourth guide tube is fixedly connected to a bellows. The bellows is made of high-strength plastic material, and the right side of the bellows is fixedly connected to the second guide tube. The second guide tube is conical.

[0016] Using the above technical solution, the right side of the first guide tube is fixed to the fourth guide tube by a flange ring and bolts. The right side of the fourth guide tube is fixedly connected to a bellows. The bellows is made of high-strength plastic material, and the right side of the bellows is fixedly connected to the second guide tube. The second guide tube is conical. The bellows can play a good sealing and connection role when the second guide tube rotates, and can adapt to different rotation angles.

[0017] As a preferred technical solution of this utility model, a steel wire runs through the side of the second guide tube, and eight steel wires are evenly arranged. The left side of the second guide tube is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to the fourth guide tube. A spring is fitted on the outside of the steel wire. A pneumatic telescopic rod is fixedly connected to the left side of the steel wire, and the pneumatic telescopic rod is fixedly connected to the fourth guide tube. The pneumatic telescopic rod is connected to an external air source, and the bellows has a built-in angle sensor and controller.

[0018] Using the above technical solution, a steel wire runs through the side of the second guide tube, and eight steel wires are evenly arranged. The left side of the second guide tube is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to the fourth guide tube. A spring is fitted on the outside of the steel wire, and a pneumatic telescopic rod is fixedly connected to the left side of the steel wire. The pneumatic telescopic rod is fixedly connected to the fourth guide tube. The pneumatic telescopic rod can extend and retract to retract the steel wire, thereby adjusting the angle of the second guide tube. The spring plays an automatic reset role to ensure a smooth adjustment process.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. Flexible adjustment of exhaust direction: It can quickly adjust the exhaust direction according to the actual situation at the fire scene, improve smoke extraction efficiency, and more effectively control the spread of fire.

[0021] 2. Good stability: The support frame, fixing ring, limiting groove and the connection structure between various components ensure the stability of the fan during operation and avoid the exhaust effect being affected by the shaking of the components.

[0022] 3. Reliable sealing: The bellows design ensures good sealing while allowing the second guide tube to rotate flexibly, preventing smoke leakage.

[0023] 4. Precise adjustment: The application of angle sensors and controllers enables precise control of the exhaust direction, improving the intelligence level of the fire-fighting fan. Attached Figure Description

[0024] Figure 1 This is a side view of the structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the filter and fan structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the toothed disc and the second guide tube of this utility model;

[0027] Figure 4 This is a schematic diagram of the first guide tube and flange ring structure in Embodiment 2 of this utility model;

[0028] Figure 5 This is a schematic diagram of the motor and support frame structure in Embodiment 2 of this utility model;

[0029] Figure 6 This is a schematic diagram of the corrugated pipe and steel wire structure in Embodiment 3 of this utility model;

[0030] Figure 7 This is a schematic diagram of the steel wire and pneumatic telescopic rod structure in Embodiment 3 of this utility model.

[0031] In the diagram: 1. First guide tube; 2. Gear disc; 3. Second guide tube; 4. Motor; 5. Support frame; 6. Filter screen; 7. Fan; 8. Limiting groove; 9. Fixing ring; 10. Flange ring; 11. Third guide tube; 12. Fourth guide tube; 13. Spring; 14. Bellows; 15. Steel wire; 16. Pneumatic telescopic rod. Detailed Implementation

[0032] 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.

[0033] Please see Figure 1-7 The technical solution of this utility model: an adjustable fire-fighting fan. Example

[0034] For details, please refer to the following: Figure 1 - Figure 3 It includes a first guide tube 1, a toothed disc 2, a second guide tube 3, a motor 4, a support frame 5, a filter screen 6, a fan 7, a limiting groove 8, and a fixing ring 9;

[0035] The first guide tube 1 is provided with a reversing mechanism on its side. The reversing mechanism is mainly composed of a gear plate 2, a second guide tube 3, a motor 4, a limiting groove 8 and a fixing ring 9. The gear on the output shaft of the motor 4 meshes with the gear plate 2. When the motor 4 starts running, it can drive the gear plate 2 to rotate, which in turn drives the second guide tube 3 to rotate, thereby realizing the change of exhaust direction.

[0036] A filter screen 6 is embedded and fixed in the inner wall of the first guide tube 1. The function of the filter screen 6 is to filter impurities in the air and prevent impurities from entering the fan 7 located to its right and fixed parallel to it, thus affecting the normal operation of the fan 7. The fan 7 provides power for the exhaust operation of the entire fire-fighting fan 7.

[0037] To ensure the stability of the placement of the fan 7, two parallel support frames 5 are fixedly connected below the first guide tube 1. The support frames 5 have a T-shaped structure.

[0038] In the reversing mechanism, the fixed ring 9 is fixedly connected to the right side of the first guide tube 1, and the second guide tube 3 is fitted on the right side of the first guide tube 1. The left side of the second guide tube 3 is provided with a limiting groove 8 that matches the fixed ring 9. This structural design can ensure that the second guide tube 3 remains stable during rotation and will not deviate. At the same time, the second guide tube 3 has a 60-degree bend structure, which makes it easy to change the exhaust angle.

[0039] The left side of the second guide tube 3 is fixedly connected to the gear disk 2, while the right side surface of the first guide tube 1 is fixedly connected to the motor 4. A gear is fixed on the output shaft of the motor 4, which meshes with the gear disk 2. When the motor 4 starts, the output shaft of the motor 4 drives the gear to rotate, and the gear then drives the gear disk 2 to rotate, ultimately causing the second guide tube 3, which is fixedly connected to the gear disk 2, to rotate, thereby completing the adjustment of the exhaust direction. Example

[0040] For details, please refer to the following: Figure 4 - Figure 5 The difference between this embodiment and embodiment one is that: the right side of the first guide tube 1 is fixedly connected to the flange ring 10, the left side of the second guide tube 3 is rotatably connected to the third guide tube 11, the side of the third guide tube 11 is fixedly connected to the motor 4, and the left side of the third guide tube 11 is fixed with a flange ring 10 of the same size as the first guide tube 1, and the flange rings 10 are fixed together with bolts. The bottom of the third guide tube 11 is fixedly connected to the support frame 5.

[0041] The first guide tube 1 is fixedly connected to the right side of the flange ring 10, the second guide tube 3 is rotatably connected to the left side of the third guide tube 11, the motor 4 is fixedly connected to the side of the third guide tube 11, and the flange ring 10 of the same size as the first guide tube 1 is fixed to the left side of the third guide tube 11, and the flange rings 10 are bolted together. This connection method facilitates installation and disassembly. The support frame 5 is fixedly connected to the bottom of the third guide tube 11 to further enhance stability. Example

[0042] For details, please refer to the following: Figure 6 - Figure 7The difference between this embodiment and embodiment two is that: the right side of the first guide tube 1 is bolted to the fourth guide tube 12 via the flange ring 10, and the right side of the fourth guide tube 12 is fixedly connected to the bellows 14, which is made of high-strength plastic material, and the right side of the bellows 14 is fixedly connected to the second guide tube 3, which is conical.

[0043] The right side of the first guide tube 1 is bolted to the fourth guide tube 12 via a flange ring 10. The right side of the fourth guide tube 12 is fixedly connected to a bellows 14, which is made of high-strength plastic material. The right side of the bellows 14 is fixedly connected to the second guide tube 3. The second guide tube 3 is conical. The bellows 14 can provide good sealing and connection when the second guide tube 3 rotates, and can adapt to different rotation angles.

[0044] The second guide tube 3 has eight steel wires 15 running through its side. The left side of the second guide tube 3 is fixedly connected to one end of the spring 13, and the other end of the spring 13 is fixedly connected to the fourth guide tube 12. The spring 13 is fitted on the outside of the steel wire 15. The left side of the steel wire 15 is fixedly connected to the pneumatic telescopic rod 16, and the pneumatic telescopic rod 16 is fixedly connected to the fourth guide tube 12. The pneumatic telescopic rod 16 is connected to an external air source, and the bellows 14 has an internal angle sensor and controller.

[0045] The second guide tube 3 has eight steel wires 15 running through its side. The left side of the second guide tube 3 is fixedly connected to one end of the spring 13, and the other end of the spring 13 is fixedly connected to the fourth guide tube 12. The spring 13 is also fitted on the outside of the steel wires 15. The left side of the steel wires 15 is fixedly connected to the pneumatic telescopic rod 16, which is also fixedly connected to the fourth guide tube 12. The pneumatic telescopic rod 16 can extend and retract to retract the steel wires 15, thereby adjusting the angle of the second guide tube 3. The spring 13 plays an automatic reset role to ensure a smooth adjustment process.

[0046] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0047] 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. An adjustable fire-fighting fan, comprising a first guide tube (1); characterized in that: The first guide tube (1) is provided with a reversing mechanism on its side. The reversing mechanism includes a gear plate (2), a second guide tube (3), a motor (4), a limiting groove (8), and a fixing ring (9). The motor (4) meshes with the gear plate (2) to drive the second guide tube (3) to rotate and change the exhaust direction.

2. The adjustable fire-fighting fan according to claim 1, characterized in that, A fixed filter screen (6) is embedded in the inner wall of the first guide tube (1). A fan (7) is fixed parallel to the right side of the filter screen (6). A support frame (5) is fixedly connected below the first guide tube (1). There are two parallel supports (5), and the supports (5) are in a T-shape.

3. An adjustable fire-fighting fan according to claim 2, characterized in that, In the reversing mechanism, the fixed ring (9) is fixedly connected to the right side of the first guide tube (1), and the second guide tube (3) is fitted on the right side of the first guide tube (1). The second guide tube (3) has a limiting groove (8) on its left side, and the limiting groove (8) matches the fixed ring (9). The second guide tube (3) has a 60-degree bend structure.

4. An adjustable fire-fighting fan according to claim 3, characterized in that, The second guide tube (3) is fixedly connected to the gear plate (2) on the left side, and the first guide tube (1) is fixedly connected to the motor (4) on the right side surface. The output shaft of the motor (4) is fixed with a gear, and the motor (4) is meshed with the gear plate (2) through the gear.

5. An adjustable fire-fighting fan according to claim 4, characterized in that, The first guide tube (1) is fixedly connected to the right side of the flange ring (10), the second guide tube (3) is rotatably connected to the left side of the third guide tube (11), the third guide tube (11) is fixedly connected to the side of the motor (4), and the left side of the third guide tube (11) is fixed with a flange ring (10) of the same size as the first guide tube (1), and the flange rings (10) are fixed together with bolts. The third guide tube (11) is fixedly connected to the bottom of the support frame (5).

6. An adjustable fire-fighting fan according to claim 5, characterized in that, The right side of the first guide tube (1) is bolted to the fourth guide tube (12) via a flange ring (10). The right side of the fourth guide tube (12) is fixedly connected to a bellows (14). The bellows (14) is made of high-strength plastic material, and the right side of the bellows (14) is fixedly connected to the second guide tube (3). The second guide tube (3) is conical.

7. An adjustable fire-fighting fan according to claim 6, characterized in that, The second guide tube (3) has a steel wire (15) running through its side. There are eight steel wires (15) evenly arranged. The left side of the second guide tube (3) is fixedly connected to one end of the spring (13). The other end of the spring (13) is fixedly connected to the fourth guide tube (12). The spring (13) is fitted on the outside of the steel wire (15). The left side of the steel wire (15) is fixedly connected to the pneumatic telescopic rod (16). The pneumatic telescopic rod (16) is fixedly connected to the fourth guide tube (12). The pneumatic telescopic rod (16) is connected to an external air source. The bellows (14) has an internal angle sensor and controller.

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