Industrial fan anti-falling device

By setting up a buffer mechanism on the bottom of the ceiling of the industrial fan, the hard connection between the fan and the ceiling is changed to an elastic connection, which solves the risk of falling caused by shaking during the operation, and achieves higher device safety and adaptability.

CN222668437UActive Publication Date: 2025-03-25JIANGSU HENGZHIRUI PRECISION MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421350375.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-03-25
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The shaking of the industrial fan due to hard connection during operation may make the connection between the fan and the ceiling unstable, increasing the risk of fan falling.

Method used

By setting a buffer mechanism on the bottom of the ceiling, the hard connection between the fan mechanism and the ceiling is converted into an elastic connection, and the shaking caused by the fan mechanism during the working process is relieved and fall is prevented.

Benefits of technology

Effectively prevent the risk of falling of the fan due to unstable connection caused by shaking, and improve the adaptability and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an industrial fan anti-falling device, which relates to the technical field of industrial fans and comprises a ceiling, a buffer mechanism is arranged on the bottom surface of the ceiling, a fan mechanism is arranged on the bottom surface of the buffer mechanism, a fixing mechanism is arranged on the outer surface of the fan mechanism, and the buffer mechanism comprises a top plate. The top face of the top plate is fixedly connected to the bottom face of a ceiling, and a connecting device is fixedly connected to the middle of the bottom face of the top plate. Through the cooperation of the ceiling, the buffer mechanism, the top plate, the connecting device, the connecting rod, the fixing disc, the connecting shell, the limiting ring, the buffer spring, the spring rod and the spring rod shell, hard connection between the fan mechanism and the ceiling is changed into elastic connection through the arrangement of the buffer mechanism; and shaking generated in the working process of the fan mechanism can be relieved by the buffering mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of industrial fans, in particular to an anti-falling device for an industrial fan. Background Art

[0002] Industrial fans can most efficiently promote large amounts of air movement, generate ultra-large air volumes, and form a moving, circulating airflow field in the space. They can effectively regulate the air circulation problems in industrial production workshops. The area blown by industrial fans is directly related to the diameter of the fan. Large industrial fans have a large coverage area and are easy to clean, solving the problems of high noise and high energy consumption. Industrial energy-saving fans, a huge ceiling fan with a diameter of 7.3 meters, can most efficiently promote large amounts of air movement and generate ultra-large air volumes.

[0003] Patent publication number CN218325424U discloses a double anti-fall device for an industrial fan, including an industrial fan assembly, wherein the industrial fan assembly includes a power device assembly and a fixing device assembly, wherein the fixing device assembly is assembled at the lower end of the power device assembly, and during installation, a collar is sleeved on the outer wall of the boss, and then a hexagonal head nut is threadedly connected to the external thread.

[0004] In order to solve the problem that the connection between the fan and the motor is through a threaded connection, which may easily fall off during rotation and cause harm to people, the existing technology uses a double anti-fall device to deal with it. However, there is still a situation where the fan is hard connected to the ceiling, which may cause the shaking generated during the operation of the fan to make the connection between the fan and the ceiling unstable and cause the fan to fall. Utility Model Content

[0005] The purpose of the utility model is to provide an industrial fan anti-falling device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An industrial fan anti-falling device comprises a ceiling, a buffer mechanism is arranged on the bottom surface of the ceiling, a fan mechanism is arranged on the bottom surface of the buffer mechanism, a fixing mechanism is arranged on the outer surface of the fan mechanism, the buffer mechanism comprises a top plate, the top surface of the top plate is fixedly connected to the bottom surface of the ceiling, and a connecting device is fixedly connected to the middle part of the bottom surface of the top plate.

[0008] A further improvement of the technical solution of the utility model is that: a spring rod is fixedly connected to the bottom surface of the top plate, a spring rod housing is movably connected to the outer surface of the spring rod, the number of the spring rods is eight, and the eight spring rods are neatly arranged along the axis of the top plate and fixedly connected to the bottom surface of the top plate.

[0009] By adopting the above technical solution, the hard connection between the fan mechanism and the ceiling is transformed into an elastic connection through the setting of the buffer mechanism, so that the shaking of the fan mechanism during operation can be alleviated by the buffer mechanism, thereby preventing the shaking of the fan mechanism during operation due to the hard connection between the fan mechanism and the ceiling from causing the entire device to become unstable and causing the device to fall.

[0010] A further improvement of the technical solution of the utility model is that the connecting device includes a connecting rod, the top surface of the connecting rod is fixedly connected to the center of the bottom surface of the top plate, the bottom surface of the connecting rod is fixedly connected to a fixing disk, and the outer surface of the fixing disk is slidably connected to a connecting shell.

[0011] By adopting the above technical solution, the fan mechanism can be fixed to the bottom of the buffer mechanism through the setting of the connecting device, and the spring rod arranged at the bottom of the buffer mechanism can alleviate the shaking generated during the operation of the fan mechanism through the action of the spring.

[0012] A further improvement of the technical solution of the utility model is that: the top surface of the connecting shell is fixedly connected to a limiting ring, the bottom surface of the limiting ring is movably connected to the top surface of the fixed disk, the inner bottom surface of the connecting shell is movably connected to a buffer spring, and the top surface of the buffer spring is movably connected to the bottom surface of the fixed disk.

[0013] By adopting the above technical solution, the fixed plate can be limited inside the connecting shell by means of the limiting ring connected to the top of the shell, the connecting rod on the top of the fixed plate is fixedly connected in the buffer mechanism, and the bottom of the fixed plate is fixedly connected to the top of the fan mechanism, thereby connecting the buffer mechanism and the fan mechanism together. The caliber of the limiting ring is slightly larger than the diameter of the connecting rod, so that the connecting rod and the limiting ring will not get stuck when the fan mechanism shakes, and when the fan mechanism runs smoothly, it will return to a horizontal state under the action of the spring rod and the buffer spring.

[0014] A further improvement of the technical solution of the utility model is that the fan mechanism includes a fan base plate, the fan base plate is fixedly connected to the center of the bottom surface of the connecting shell, the bottom surface of the spring rod shell is fixedly connected to the top surface of the fan base plate, the bottom surface of the fan base plate is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a rotating rod, and the bottom surface of the rotating rod is fixedly connected to fan blades.

[0015] By adopting the above technical solution, the entire fan mechanism is fixed to the bottom surface of the buffer mechanism through the fan base plate. The motor fixedly connected to the bottom surface of the fan base plate can drive the rotating rod to rotate, and the rotating rod will drive the fan blades to rotate to generate wind.

[0016] A further improvement of the technical solution of the utility model is that the fixing mechanism includes a rotating bearing, the top surface of the rotating bearing is fixedly connected to the bottom surface of the fan base plate, the bottom surface of the rotating bearing is fixedly connected to a fixing plate, the number of the fixing plates is four, and the four fixing plates are neatly arranged with the center of the rotating bearing as the axis and fixedly connected to the bottom surface of the rotating bearing.

[0017] By adopting the above technical solution, the spacing between the fan blades is fixed by setting a fixed plate, providing a supporting force between each fan blade, reducing the damage to the life of the fan blades caused by inertia. The fixed plate will rotate with the fan mechanism under the action of the rotating bearing and will not affect the normal operation of the fan mechanism.

[0018] A further improvement of the technical solution of the utility model is that: the interior of the fixed plate is fixedly connected to a support ring, the interior of the support ring is slidably connected to the outer surface of the rotating rod, the top surface of the support ring is fixedly connected to a fixed bottom plate, and the bottom surface of the fixed bottom plate is movably connected to the bottom surface of the fan blade.

[0019] By adopting the above technical solution, the rotating rod is supported by the support ring, so that the rotating rod is more stable during the rotation of the fan mechanism. The fixed base plate is movably connected to the bottom surface of the fan blade under the action of the entire fixing mechanism, providing a pulling force for the fan mechanism, reducing the influence of gravity on the service life of the fan mechanism, and reducing the risk of falling of the entire device.

[0020] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0021] 1. The utility model provides an industrial fan anti-falling device, which adopts the cooperation of a ceiling, a buffer mechanism, a top plate, a connecting device, a connecting rod, a fixing plate, a connecting shell, a limiting ring, a buffer spring, a spring rod, and a spring rod shell. The hard connection between the fan mechanism and the ceiling is transformed into an elastic connection through the setting of the buffer mechanism, so that the shaking of the fan mechanism during the working process can be alleviated by the buffer mechanism, and the shaking of the fan mechanism during the working process due to the hard connection between the fan mechanism and the ceiling is prevented from causing the whole device to be unstable and causing the device to fall. The setting of the connecting device enables the fan mechanism to be fixed at the bottom of the buffer mechanism The spring rod arranged at the bottom of the buffer mechanism can alleviate the shaking generated by the fan mechanism during operation through the action of the spring, and the limiting ring at the top of the connecting shell enables the fixed plate to be limited inside the connecting shell, the connecting rod at the top of the fixed plate is fixedly connected in the buffer mechanism, and the bottom of the fixed plate is fixedly connected to the top of the fan mechanism, thereby connecting the buffer mechanism and the fan mechanism together, and the caliber of the limiting ring is slightly larger than the diameter of the connecting rod, so that the connecting rod and the limiting ring will not get stuck when the fan mechanism shakes, and when the fan mechanism runs smoothly, it will return to a horizontal state under the action of the spring rod and the buffer spring, thereby improving the adaptability of the device.

[0022] 2. The utility model provides an industrial fan anti-falling device, which adopts the cooperation of a fan mechanism, a fan base plate, a motor, a rotating rod, a fan blade, a fixing mechanism, a rotating bearing, a fixing plate, a supporting ring, and a fixing base plate. The entire fan mechanism is fixed to the bottom surface of the buffer mechanism through the fan base plate. The motor fixedly connected to the bottom surface of the fan base plate can drive the rotating rod to rotate, and the rotating rod will drive the fan blades to rotate to generate wind. The setting of the fixing plate fixes the spacing of the fan blades, provides a supporting force between each fan blade, and reduces the damage of inertia to the life of the fan blades. The fixing plate will rotate with the fan mechanism under the action of the rotating bearing, and will not affect the normal operation of the fan mechanism. The supporting ring supports the rotating rod, so that the rotating rod is more stable during the rotation of the fan mechanism. The fixed base plate is movably connected to the bottom surface of the fan blade under the action of the entire fixing mechanism, provides a pulling force for the fan mechanism, reduces the influence of gravity on the service life of the fan mechanism, reduces the falling risk of the entire device, and improves the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the buffer mechanism of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the connection device of the utility model;

[0026] Figure 4It is a structural schematic diagram of the fan mechanism of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the fixing mechanism of the utility model.

[0028] In the figure: 1. ceiling; 2. buffer mechanism; 21. top plate; 22. connecting device; 221. connecting rod; 222. fixing plate; 223. connecting shell; 224. limiting ring; 225. buffer spring; 23. spring rod; 24. spring rod shell; 3. fan mechanism; 31. fan base plate; 32. motor; 33. rotating rod; 34. fan blade; 4. fixing mechanism; 41. rotating bearing; 42. fixing plate; 43. supporting ring; 44. fixing base plate. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the embodiments:

[0030] Example 1

[0031] like Figure 1-5 As shown, the utility model provides an industrial fan anti-falling device, comprising a ceiling 1, a buffer mechanism 2 is arranged on the bottom surface of the ceiling 1, a fan mechanism 3 is arranged on the bottom surface of the buffer mechanism 2, a fixing mechanism 4 is arranged on the outer surface of the fan mechanism 3, the buffer mechanism 2 comprises a top plate 21, the top surface of the top plate 21 is fixedly connected to the bottom surface of the ceiling 1, a connecting device 22 is fixedly connected to the middle of the bottom surface of the top plate 21, a spring rod 23 is fixedly connected to the bottom surface of the top plate 21, a spring rod housing 24 is movably connected to the outer surface of the spring rod 23, the number of the spring rods 23 is eight, and the eight spring rods 23 are arranged along the top plate 21. The axis of the connecting device 22 is neatly arranged and fixedly connected to the bottom surface of the top plate 21, the connecting device 22 includes a connecting rod 221, the top surface of the connecting rod 221 is fixedly connected to the center of the bottom surface of the top plate 21, the bottom surface of the connecting rod 221 is fixedly connected to a fixed disk 222, the outer surface of the fixed disk 222 is slidably connected to a connecting shell 223, the top surface of the connecting shell 223 is fixedly connected to a limiting ring 224, the bottom surface of the limiting ring 224 is movably connected to the top surface of the fixed disk 222, the inner bottom surface of the connecting shell 223 is movably connected to a buffer spring 225, and the top surface of the buffer spring 225 is movably connected to the bottom surface of the fixed disk 222.

[0032] In this embodiment, the hard connection between the fan mechanism 3 and the ceiling 1 is transformed into an elastic connection through the setting of the buffer mechanism 2, so that the shaking of the fan mechanism 3 during operation can be alleviated by the buffer mechanism 2, and the shaking of the fan mechanism 3 during operation due to the hard connection between the fan mechanism 3 and the ceiling 1 is prevented from causing the entire device to be unstable and causing the device to fall. The setting of the connecting device 22 enables the fan mechanism 3 to be fixed at the bottom of the buffer mechanism 2, and the spring rod 23 set at the bottom of the buffer mechanism 2 can alleviate the shaking of the fan mechanism 3 during operation through the action of the spring. The limiting ring 224 on the top of the connecting shell 223 enables the fixing plate 222 to be limited inside the connecting shell 223, the connecting rod 221 on the top of the fixing plate 222 is fixedly connected in the buffer mechanism 2, and the bottom of the fixing plate 222 is fixedly connected to the top of the fan mechanism 3, thereby connecting the buffer mechanism 2 and the fan mechanism 3 together, the caliber of the limiting ring 224 is slightly larger than the diameter of the connecting rod 221, so that the connecting rod 221 and the limiting ring 224 will not get stuck when the fan mechanism 3 shakes, and when the fan mechanism 3 runs smoothly, it will return to a horizontal state under the action of the spring rod 23 and the buffer spring 225.

[0033] Example 2

[0034] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the fan mechanism 3 includes a fan base plate 31, the fan base plate 31 is fixedly connected to the center of the bottom surface of the connecting shell 223, the bottom surface of the spring rod shell 24 is fixedly connected to the top surface of the fan base plate 31, the bottom surface of the fan base plate 31 is fixedly connected to the motor 32, the output shaft of the motor 32 is fixedly connected to the rotating rod 33, and the bottom surface of the rotating rod 33 is fixedly connected to the fan blades 34.

[0035] In this embodiment, the entire fan mechanism 3 is fixed to the bottom surface of the buffer mechanism 2 through the fan base plate 31. The motor 32 fixedly connected to the bottom surface of the fan base plate 31 can drive the rotating rod 33 to rotate, and the rotating rod 33 will drive the fan blades 34 to rotate to generate wind.

[0036] Example 3

[0037] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the fixing mechanism 4 includes a rotating bearing 41, the top surface of the rotating bearing 41 is fixedly connected to the bottom surface of the fan base plate 31, the bottom surface of the rotating bearing 41 is fixedly connected with a fixing plate 42, the number of the fixing plates 42 is four, the four fixing plates 42 are neatly arranged with the center of the rotating bearing 41 as the axis and fixedly connected to the bottom surface of the rotating bearing 41, the interior of the fixing plate 42 is fixedly connected with a support ring 43, the interior of the support ring 43 is slidably connected to the outer surface of the rotating rod 33, the top surface of the support ring 43 is fixedly connected with a fixed bottom plate 44, and the bottom surface of the fixed bottom plate 44 is movably connected to the bottom surface of the fan blade 34.

[0038] In this embodiment, the spacing between the fan blades 34 is fixed by setting the fixing plate 42, so as to provide a supporting force between each fan blade 34, thereby reducing the damage to the life of the fan blade 34 caused by inertia. The fixing plate 42 will rotate along with the fan mechanism 3 under the action of the rotating bearing 41, and will not affect the normal operation of the fan mechanism 3. The support ring 43 supports the rotating rod 33, so that the rotating rod 33 of the fan mechanism 3 is more stable during the rotation process. The fixed bottom plate 44 is movably connected to the bottom surface of the fan blade 34 under the action of the entire fixing mechanism 4, thereby providing a pulling force for the fan mechanism 3, reducing the influence of gravity on the service life of the fan mechanism 3, and reducing the risk of falling of the entire device.

[0039] The following is a detailed description of the working principle of the industrial fan anti-fall device.

[0040] like Figure 1-5As shown, the hard connection between the fan mechanism 3 and the ceiling 1 is transformed into an elastic connection through the setting of the buffer mechanism 2, so that the shaking of the fan mechanism 3 during operation can be alleviated by the buffer mechanism 2, and the shaking of the fan mechanism 3 during operation due to the hard connection between the fan mechanism 3 and the ceiling 1 is prevented from causing the entire device to be unstable and causing the device to fall. The setting of the connecting device 22 enables the fan mechanism 3 to be fixed at the bottom of the buffer mechanism 2. The spring rod 23 set at the bottom of the buffer mechanism 2 can alleviate the shaking of the fan mechanism 3 during operation through the action of the spring. The limiting ring 224 at the top of the connecting shell 223 enables the fixing plate 222 to be limited inside the connecting shell 223. The connecting rod 221 at the top of the fixing plate 222 is fixedly connected to the buffer mechanism 2, and the bottom of the fixing plate 222 is fixedly connected to the top of the fan mechanism 3, thereby connecting the buffer mechanism 2 and the fan mechanism 3 together. The diameter of the limiting ring 224 is slightly larger than the diameter of the connecting rod 221, so that the fan mechanism 3 can be prevented from shaking when it is generated. When the fan mechanism 3 is moving, the connecting rod 221 and the limit ring 224 will not get stuck. When the fan mechanism 3 runs smoothly, it will return to a horizontal state under the action of the spring rod 23 and the buffer spring 225. The fan base plate 31 fixes the entire fan mechanism 3 to the bottom surface of the buffer mechanism 2. The motor 32 fixedly connected to the bottom surface of the fan base plate 31 can drive the rotating rod 33 to rotate, and the rotating rod 33 will drive the fan blades 34 to rotate to generate wind. The setting of the fixed plate 42 fixes the spacing of the fan blades 34, provides a supporting force between each fan blade 34, and reduces the damage to the life of the fan blades 34 by inertia. The fixed plate 42 will rotate with the fan mechanism 3 under the action of the rotating bearing 41, and will not affect the normal operation of the fan mechanism 3. The support ring 43 supports the rotating rod 33, so that the rotating rod 33 of the fan mechanism 3 is more stable during the rotation process. The fixed base plate 44 is movably connected to the bottom surface of the fan blade 34 under the action of the entire fixing mechanism 4, and provides a pulling force for the fan mechanism 3, reduces the influence of gravity on the service life of the fan mechanism 3, and reduces the risk of falling of the entire device.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An industrial fan anti-fall device, comprising a ceiling (1), characterized in that: The bottom surface of the ceiling (1) is provided with a buffer mechanism (2), the bottom surface of the buffer mechanism (2) is provided with a fan mechanism (3), and the outer surface of the fan mechanism (3) is provided with a fixing mechanism (4); The buffer mechanism (2) comprises a top plate (21), the top surface of the top plate (21) is fixedly connected to the bottom surface of the ceiling (1), and a connecting device (22) is fixedly connected to the middle of the bottom surface of the top plate (21).

2. The industrial fan anti-falling device according to claim 1 is characterized in that: The bottom surface of the top plate (21) is fixedly connected to a spring rod (23), and the outer surface of the spring rod (23) is movably connected to a spring rod housing (24). The number of the spring rods (23) is eight, and the eight spring rods (23) are neatly arranged along the axis of the top plate (21) and fixedly connected to the bottom surface of the top plate (21).

3. The industrial fan anti-falling device according to claim 2 is characterized in that: The connecting device (22) comprises a connecting rod (221), the top surface of the connecting rod (221) is fixedly connected to the center of the bottom surface of the top plate (21), the bottom surface of the connecting rod (221) is fixedly connected to a fixing plate (222), and the outer surface of the fixing plate (222) is slidably connected to a connecting shell (223).

4. The industrial fan anti-falling device according to claim 3 is characterized by: The top surface of the connecting shell (223) is fixedly connected to a limiting ring (224), the bottom surface of the limiting ring (224) is movably connected to the top surface of the fixed disk (222), the inner bottom surface of the connecting shell (223) is movably connected to a buffer spring (225), and the top surface of the buffer spring (225) is movably connected to the bottom surface of the fixed disk (222).

5. The industrial fan anti-falling device according to claim 4 is characterized in that: The fan mechanism (3) comprises a fan base plate (31), wherein the fan base plate (31) is fixedly connected to the center of the bottom surface of the connecting shell (223), the bottom surface of the spring rod shell (24) is fixedly connected to the top surface of the fan base plate (31), the bottom surface of the fan base plate (31) is fixedly connected to a motor (32), the output shaft of the motor (32) is fixedly connected to a rotating rod (33), and the bottom surface of the rotating rod (33) is fixedly connected to a fan blade (34).

6. The industrial fan anti-falling device according to claim 5, characterized in that: The fixing mechanism (4) comprises a rotating bearing (41), the top surface of the rotating bearing (41) is fixedly connected to the bottom surface of the fan base plate (31), the bottom surface of the rotating bearing (41) is fixedly connected to a fixing plate (42), the number of the fixing plates (42) is four, and the four fixing plates (42) are neatly arranged and fixedly connected to the bottom surface of the rotating bearing (41) with the center of the rotating bearing (41) as an axis.

7. The industrial fan anti-falling device according to claim 6, characterized in that: The interior of the fixed plate (42) is fixedly connected to a support ring (43), the interior of the support ring (43) is slidably connected to the outer surface of the rotating rod (33), the top surface of the support ring (43) is fixedly connected to a fixed bottom plate (44), and the bottom surface of the fixed bottom plate (44) is movably connected to the bottom surface of the fan blade (34).