Industrial fan with safety protection device

Abstract

The utility model discloses an industrial fan with a safety protection device, which comprises a mounting plate, and has the beneficial effects that through the arrangement of a connecting plate and a reinforcing fixing frame, each fan blade mounted on the outer side is driven to rotate when a rotating disc rotates, and the fan blades drive the connecting plate and the reinforcing fixing frame to rotate by an angle, so that the safety protection device is convenient to use. According to the industrial fan, by arranging the inner fixing sleeve and the outer fixing sleeve, the outer rotating sleeve is driven to rotate on the outer side of the inner fixing sleeve, the rotating position of the outer rotating sleeve is limited, the fan blades are stabilized through the reinforcing fixing frames and the connecting plates, the working stability of the industrial fan is guaranteed, and the safety is improved; when the installation box is installed, limiting installation is conducted through the two T-shaped installation blocks on the top and the T-shaped installation grooves in one side of the installation bottom block, limiting installation is conducted through the limiting bolts and the clamping grooves in the two sides of the T-shaped installation blocks, and the T-shaped installation blocks are installed and fixed in the T-shaped installation grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial fans, in particular to an industrial fan provided with a safety protection device. Background Art

[0002] A large industrial fan is a large industrial fan with a diameter of 7.3 meters. The area blown by the fan is directly related to the diameter of the fan. Large industrial fans cover a large area, are easy to clean, and solve the problems of high noise and high energy consumption. Industrial fans are widely used in industrial plants, logistics warehouses and other tall spaces. As a common industrial machine for space ventilation and personnel cooling, they have a large air volume. However, existing industrial fans fall off due to excessive gravity or excessive speed of ceiling fans. The rotation support stability of each blade on the industrial fan is not high enough. There are safety hazards when the industrial fan is working, and the industrial fan is prone to falling. Utility Model Content

[0003] The purpose of the utility model is to provide an industrial fan with a safety protection device to solve the problem that the existing industrial fan mentioned in the above background technology falls off due to excessive gravity or excessive rotation speed of the ceiling fan, the rotation support stability of each fan blade on the industrial fan is not high enough, there are safety hazards when the industrial fan is working, and the industrial fan is prone to falling.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an industrial fan with a safety protection device, comprising a mounting plate, the bottom of the mounting plate is fixedly connected to two mounting bottom blocks, the interiors of the two mounting bottom blocks are each provided with a T-shaped mounting groove, the interiors of the two T-shaped mounting grooves are each provided with a T-shaped mounting block, the bottoms of the two T-shaped mounting blocks are fixedly connected to a mounting box, the bottom of the mounting box is fixedly connected to an inner fixing sleeve, the interior of the inner fixing sleeve is rotatably connected to a fixed shaft, a driving motor is installed inside the mounting box, the output end of the driving motor is fixedly connected to the fixed shaft, the bottom end of the fixed shaft is fixedly connected to a rotating disk, six fan blades are equidistantly installed on the outer side of the rotating disk, the outer side of the inner fixing sleeve is rotatably connected to an outer rotating sleeve, six reinforcing fixing frames are equidistantly installed on the outer side of the outer rotating sleeve, the tops of the six fan blades are each provided with a connecting plate by bolts, and the reinforcing fixing frame is fixedly connected to the connecting plate.

[0005] As a preferred solution of the utility model: the outer side of the outer rotating sleeve is fixedly connected to an outer fixed disk, the top of the outer fixed disk is equidistantly fixedly connected to four fixed top plates, the outer side of the installation box is fixedly connected to an outer fixed sleeve, and the fixed top plate is slidably connected to the outer side of the outer fixed sleeve.

[0006] As a preferred solution of the utility model: an outer limiting annular slide groove is provided on the outer side of the outer fixed sleeve, and the inner sides of the four fixed top plates are fixedly connected with limiting sliders, and the limiting sliders are slidably connected with the outer limiting annular slide groove.

[0007] As a preferred solution of the utility model: four limiting inner blocks are equidistantly fixedly connected to the inner side of the outer rotating sleeve, an annular limiting sliding groove is provided on the outer side of the inner fixed sleeve, and the limiting inner blocks are slidably connected to the annular limiting sliding groove.

[0008] As a preferred solution of the utility model: both sides of the T-shaped mounting block are provided with slots, and the internal thread of the mounting bottom block is connected with two limiting bolts matched with the slots.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model realizes that when the rotating disk rotates, the fan blades installed on the outside are driven to rotate by setting a connecting plate and a reinforcing fixing frame, and the fan blades drive the connecting plate and the reinforcing fixing frame to rotate an angle, thereby driving the outer rotating sleeve to rotate on the outside of the inner fixing sleeve, and limiting the rotation position of the outer rotating sleeve, and stabilizing the fan blades by various reinforcing fixing frames and connecting plates, thereby ensuring the working stability of the industrial fan and improving the safety, and by setting a T-shaped mounting block and a T-shaped mounting groove, when the mounting box is installed, the two T-shaped mounting blocks on the top and the T-shaped mounting groove on one side of the mounting bottom block are used for limiting installation, and the limiting bolts are used for limiting installation with the slots on both sides of the T-shaped mounting block, and the T-shaped mounting block is installed and fixed in the T-shaped mounting groove, thereby fixing the installation position of the mounting box. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 3 This is a schematic diagram of the external structure of the installation box of the utility model;

[0013] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle;

[0014] Figure 5 This is a top view of the fan blade of the utility model.

[0015] In the figure: 1. Mounting plate; 2. Mounting bottom block; 3. T-shaped mounting block; 4. Slot; 5. Limiting bolt; 6. T-shaped mounting slot; 7. Mounting box; 8. Driving motor; 9. Limiting slider; 10. External limiting annular slide groove; 11. External rotating sleeve; 12. Fixed shaft; 13. Rotating disk; 14. Limiting inner block; 15. Annular limiting slide groove; 16. Strengthening fixing frame; 17. Fan blades; 18. Connecting plate; 19. External fixing disk; 20. Fixed top plate; 21. External fixing sleeve; 22. Internal fixing sleeve. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figures 1 to 5 The utility model provides a technical solution: an industrial fan with a safety protection device, comprising a mounting plate 1, two mounting bottom blocks 2 are fixedly connected to the bottom of the mounting plate 1, T-shaped mounting grooves 6 are provided inside the two mounting bottom blocks 2, T-shaped mounting blocks 3 are installed inside the two T-shaped mounting grooves 6, mounting boxes 7 are fixedly connected to the bottom of the two T-shaped mounting blocks 3, an inner fixed sleeve 22 is fixedly connected to the bottom of the mounting box 7, a fixed shaft 12 is rotatably connected to the inner part of the inner fixed sleeve 22, a driving motor 8 is installed inside the mounting box 7, an output end of the driving motor 8 is fixedly connected to the fixed shaft 12, a rotating disk 13 is fixedly connected to the bottom end of the fixed shaft 12, six fan blades 17 are equidistantly installed on the outer side of the rotating disk 13, an outer rotating sleeve 11 is rotatably connected to the outer side of the inner fixed sleeve 22, six reinforcing fixing frames 16 are equidistantly installed on the outer side of the outer rotating sleeve 11, and connecting plates 18 are installed on the tops of the six fan blades 17 by bolts, and the reinforcing fixing frames 16 are fixedly connected to the connecting plates 18;

[0018] Specifically, the T-shaped mounting block 3 on the top of the mounting box 7 enters the T-shaped mounting groove 6 in the mounting bottom block 2 for limited installation, the limiting bolt 5 is rotated inwardly and fixed with the card slots 4 on both sides of the T-shaped mounting block 3, and the fixed shaft 12 is driven to rotate by the output end of the driving motor 8. When the fixed shaft 12 rotates, the rotating disk 13 and the outer fan blades 17 are driven to rotate. When the fan blades 17 rotate, the connecting plate 18 is driven to adjust the angle. When the connecting plate 18 adjusts the angle, it drives the reinforcing fixing frame 16 and the outer rotating sleeve 11 to rotate. The outer rotating sleeve 11 is The inner fixed sleeve 22 rotates on the outside, and the outer rotating sleeve 11 drives the limiting inner block 14 to slide in the annular limiting groove 15, and the fixed shaft 12 rotates on the inside of the inner fixed sleeve 22. When the outer rotating sleeve 11 rotates, it drives the outer fixed disk 19 and the fixed top plate 20 to rotate. When the fixed top plate 20 rotates, it drives the inner limiting slider 9 to slide in the outer limiting annular groove 10. The outer rotating sleeve 11, the reinforced fixing frame 16 and the connecting plate 18 are stable with the fan blades 17 and rotate synchronously with the rotating disk 13, which improves the stability and ensures the safety of the industrial fan.

[0019] Among them, the outer side of the outer rotating sleeve 11 is fixedly connected to an outer fixed disk 19, the top of the outer fixed disk 19 is equidistantly fixedly connected to four fixed top plates 20, the outer side of the installation box 7 is fixedly connected to an outer fixed sleeve 21, and the fixed top plate 20 is slidably connected to the outer side of the outer fixed sleeve 21.

[0020] An outer limiting annular slide groove 10 is provided on the outer side of the outer fixed sleeve 21 , and the inner sides of the four fixed top plates 20 are fixedly connected with limiting sliders 9 , which are slidably connected with the outer limiting annular slide groove 10 .

[0021] Among them, four limiting inner blocks 14 are fixedly connected to the inner side of the outer rotating sleeve 11 at equal intervals, and an annular limiting sliding groove 15 is opened on the outer side of the inner fixed sleeve 22, and the limiting inner blocks 14 are slidably connected to the annular limiting sliding groove 15;

[0022] When the outer rotating sleeve 11 rotates, it drives the outer fixed disk 19 and the fixed top plate 20 to rotate. When the fixed top plate 20 rotates, it drives the inner limiting slider 9 to slide within the outer limiting annular groove 10. The outer rotating sleeve 11, the reinforced fixing frame 16 and the connecting plate 18 are stable with the fan blades 17 and rotate synchronously with the rotating disk 13, which improves the stability and ensures the safety of the industrial fan.

[0023] Wherein, both sides of the T-shaped mounting block 3 are provided with a slot 4, and the internal thread connection of the mounting bottom block 2 is connected with two limiting bolts 5 that match the slot 4;

[0024] The T-shaped mounting block 3 on the top of the mounting box 7 enters the T-shaped mounting groove 6 in the mounting bottom block 2 for limited installation, and the limiting bolts 5 are rotated inwardly to install and fix the clamping grooves 4 on both sides of the T-shaped mounting block 3.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial fan with a safety protection device, comprising a mounting plate (1), characterized in that: The bottom of the mounting plate (1) is fixedly connected to two mounting base blocks (2), the inside of the two mounting base blocks (2) are each provided with a T-shaped mounting groove (6), the inside of the two T-shaped mounting grooves (6) are each provided with a T-shaped mounting block (3), the bottom of the two T-shaped mounting blocks (3) are fixedly connected to a mounting box (7), the bottom of the mounting box (7) is fixedly connected to an inner fixing sleeve (22), the inside of the inner fixing sleeve (22) is rotatably connected to a fixed shaft (12), the inside of the mounting box (7) is provided with a driving motor (8), and the driving motor (8) is installed in the inside of the driving motor (8). The output end of the motor (8) is fixedly connected to the fixed shaft (12); the bottom end of the fixed shaft (12) is fixedly connected to a rotating disk (13); six fan blades (17) are equidistantly mounted on the outer side of the rotating disk (13); the outer side of the inner fixed sleeve (22) is rotatably connected to an outer rotating sleeve (11); six reinforcing fixing frames (16) are equidistantly mounted on the outer side of the outer rotating sleeve (11); the tops of the six fan blades (17) are all fixedly connected to connecting plates (18) by bolts; the reinforcing fixing frames (16) are fixedly connected to the connecting plates (18).

2. An industrial fan with a safety protection device according to claim 1, characterized in that: The outer side of the outer rotating sleeve (11) is fixedly connected to an outer fixed disk (19), the top of the outer fixed disk (19) is fixedly connected to four fixed top plates (20) at equal intervals, the outer side of the installation box (7) is fixedly connected to an outer fixed sleeve (21), and the fixed top plate (20) is slidably connected to the outer side of the outer fixed sleeve (21).

3. An industrial fan with a safety protection device according to claim 2, characterized in that: An outer limiting annular sliding groove (10) is provided on the outer side of the outer fixed sleeve (21), and the inner sides of the four fixed top plates (20) are fixedly connected to limiting sliding blocks (9), and the limiting sliding blocks (9) are slidably connected to the outer limiting annular sliding groove (10).

4. The industrial fan with a safety protection device according to claim 1, characterized in that: Four limiting inner blocks (14) are fixedly connected at equal intervals on the inner side of the outer rotating sleeve (11), an annular limiting sliding groove (15) is provided on the outer side of the inner fixed sleeve (22), and the limiting inner blocks (14) are slidably connected to the annular limiting sliding groove (15).

5. The industrial fan with a safety protection device according to claim 1, characterized in that: Both sides of the T-shaped mounting block (3) are provided with slots (4), and the internal thread of the mounting base block (2) is connected to two limiting bolts (5) that cooperate with the slots (4).

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