Fan with anti-explosion structure

Abstract

The utility model relates to the technical field of fans, and discloses a fan with an explosion-proof structure, which comprises a fan cover, connecting flanges are fixedly mounted on the front side and the rear side of the fan cover, a mounting seat is fixedly mounted at the bottom of the fan cover, an explosion-proof cover is arranged on the outer wall of the fan cover, and a plurality of positioning holes are formed in the front side and the rear side of the explosion-proof cover. First positioning bolts are arranged at the front end and the rear end of the anti-explosion cover, and a dustproof cover is fixedly installed on the outer side of the connecting flange. According to the fan with the anti-explosion structure, static electricity in the fan can be eliminated through the static electricity eliminator, dust can be prevented from entering the fan cover through the dustproof cover, and therefore dust entering the fan cover is reduced, static electricity generated by the dust can be effectively reduced, explosion is avoided, and the anti-explosion effect is good through the polyurethane anti-corrosion coating. The corrosion resistance of the fan cover and the anti-explosion cover can be effectively improved, the service life of the fan cover and the anti-explosion cover can be prolonged, the stainless steel fan blades can also prolong the overall service life, and certain corrosion resistance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan with an explosion-proof structure. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fan is China's customary abbreviation for gas compression and gas delivery machinery. Commonly referred to fans include ventilators, blowers, and wind turbines.

[0003] China Utility Model Patent Publication No.: CN 220037039 U3, discloses: a fan with an explosion-proof structure, the fan with an explosion-proof structure, by providing a cylinder explosion-proof barrier net structure, thus playing a good explosion-proof role, the connecting end rod of the cylinder explosion-proof barrier net is welded and connected to the cylinder connecting ring, the cylinder connecting ring is stably placed, and the external reinforcement rod is cast and connected to the fan cylinder body, so as to facilitate processing and preparation, but the fan with an explosion-proof structure adopts an integrally cast explosion-proof net, which is not convenient for rapid disassembly and assembly of the explosion-proof components, and is not convenient for later maintenance and replacement, and the fan with an explosion-proof structure is not designed with a static electricity elimination structure, which is easy to generate static electricity, thereby easily causing explosions, and the safety is poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a fan with an explosion-proof structure, which can effectively solve the problems in the prior art that it is inconvenient to quickly disassemble and assemble the explosion-proof components, it is inconvenient for later maintenance and replacement, and it is easy to generate static electricity, which can easily cause explosions and has poor safety.

[0005] The technical solution adopted by the utility model is: a fan with an explosion-proof structure, comprising a hood, connecting flanges are fixedly installed on the front and rear sides of the hood, a mounting seat is fixedly installed on the bottom of the hood, an explosion-proof hood is arranged on the outer wall of the hood, a plurality of positioning holes are opened on the front and rear sides of the explosion-proof hood, a first positioning bolt is arranged on the front and rear ends of the explosion-proof hood, a dust cover is fixedly installed on the outside of the connecting flange, a plurality of second positioning bolts are arranged on the outside of the dust cover, a mounting frame is fixedly installed on the inner wall of the hood, a motor is fixedly installed on the top of the mounting frame, a connecting seat is fixedly installed on the output shaft of the motor, a plurality of annularly distributed fan blades are fixedly installed on the outside of the connecting seat, a connecting rod is fixedly installed on the inner wall of the hood, an electrostatic eliminator is fixedly installed on the side of the connecting rod away from the inner wall, and a plurality of electrode ports are arranged on the bottom of the electrostatic eliminator.

[0006] Preferably, the inner wall of the explosion-proof cover is the same size as the outer side of the wind cover, and two identical explosion-proof covers are provided, and the two explosion-proof covers are in a "C"-shaped structure.

[0007] Through the above technical solution, through the design of two explosion-proof covers, after the wind hood is installed, the two explosion-proof covers can be used to wrap the wind hood. When an explosion occurs, it can protect the staff on the outside and prevent the wind hood from exploding, causing injuries to the staff, thus playing a protective role.

[0008] Preferably, the positioning bolt 1 passes through the two explosion-proof covers and extends to the outside thereof, and the positioning bolt 1 is located at the upper and lower ends of the explosion-proof covers.

[0009] Through the above technical solution, after the explosion-proof covers are aligned, the positioning bolt can pass through the two explosion-proof covers to lock the explosion-proof covers, thereby preventing the explosion-proof covers from falling off and affecting normal use.

[0010] Preferably, the positioning holes are provided in equal numbers, and the sizes of the plurality of positioning holes are the same as the size of the through slot above the connecting flange.

[0011] Through the above technical solution, through the design of multiple positioning holes, when the positioning bolt 1 is locked to the explosion-proof cover, it can be aligned through the positioning hole and the through groove of the connecting flange, and then double fixation can be achieved through the positioning bolt 2, thereby further improving the overall stability.

[0012] Preferably, the dust cover is provided with two identical ones, and the second positioning bolt passes through the dust cover and the connecting flange and extends to the interior of the explosion-proof cover.

[0013] Through the above technical solution, through the design of two dust covers, the dust that enters the interior can be removed, thereby reducing the amount of dust entering the interior of the hood, which can effectively reduce the static electricity generated by the dust and reduce the risk of static electricity.

[0014] Preferably, the connecting rods and static eliminators are provided in two identical groups, each group of the connecting rods and static eliminators is provided in two identical groups, and the connecting rods and static eliminators are symmetrically distributed about the center line of the wind hood.

[0015] Through the above technical solution, static electricity can be eliminated inside through the connecting rod and the static eliminator, thereby avoiding static electricity from causing internal explosion, which would lead to higher safety hazards and improve overall safety.

[0016] Preferably, the inner wall of the wind hood and the outer wall of the explosion-proof hood are coated with polyurethane anti-corrosion coating, and the fan blades are stainless steel blades.

[0017] Through the above technical scheme, the polyurethane anti-corrosion coating can effectively improve the corrosion resistance of the wind hood and explosion-proof hood, increase their service life, and the stainless steel fan blades can also increase the overall service life and also have a certain corrosion resistance.

[0018] Compared with the prior art, the utility model provides a fan with an explosion-proof structure, which has the following beneficial effects:

[0019] 1. After the fan hood is installed, the fan with explosion-proof structure can be wrapped by two explosion-proof covers. When an explosion occurs, it can protect the staff outside and prevent the fan hood from exploding and causing injuries to the staff. In addition, the explosion-proof cover, dust cover and fan hood can be quickly installed through the positioning bolt 2, which is convenient for quick disassembly and assembly of explosion-proof components and convenient for later maintenance and replacement.

[0020] 2. The fan with an explosion-proof structure can eliminate static electricity inside through an electrostatic eliminator, and the dust cover can also prevent dust from entering the inside of the hood, thereby reducing the static electricity generated by dust and avoiding explosions. The polyurethane anti-corrosion coating can effectively improve the corrosion resistance of the hood and explosion-proof cover, and increase their service life. The stainless steel fan blades can also increase the overall service life and also have a certain degree of corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the split structure of the wind hood and explosion-proof hood of the utility model;

[0024] Figure 4 The utility model shows the split structure of the wind cover and the dust cover. Figure 1 ;

[0025] Figure 5 The utility model shows the split structure of the wind cover and the dust cover. Figure 2 ;

[0026] Figure 6 This is a schematic diagram of the cross-sectional structure of the wind hood of the utility model.

[0027] Among them: 1. Wind hood; 2. Connecting flange; 3. Mounting seat; 4. Explosion-proof cover; 5. Positioning hole; 6. Positioning bolt 1; 7. Dust cover; 8. Positioning bolt 2; 9. Mounting frame; 10. Motor; 11. Connecting seat; 12. Fan blades; 13. Connecting rod; 14. Static eliminator; 15. Electrode port. DETAILED DESCRIPTION

[0028] 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.

[0029] Embodiment 1: Figure 1-5 As shown, the utility model provides a fan with an explosion-proof structure, including a wind hood 1, a connecting flange 2 is fixedly installed on the front and rear sides of the wind hood 1, a mounting seat 3 is fixedly installed on the bottom of the wind hood 1, an explosion-proof cover 4 is arranged on the outer wall of the wind hood 1, a plurality of positioning holes 5 are opened on the front and rear sides of the explosion-proof cover 4, a positioning bolt 6 is arranged on the front and rear ends of the explosion-proof cover 4, a dust cover 7 is fixedly installed on the outer side of the connecting flange 2, a plurality of positioning bolts 8 are arranged on the outer side of the dust cover 7, a mounting frame 9 is fixedly installed on the inner wall of the wind hood 1, a motor 10 is fixedly installed on the top of the mounting frame 9, a connecting seat 11 is fixedly installed on the output shaft of the motor 10, a plurality of annularly distributed fan blades 12 are fixedly installed on the outer side of the connecting seat 11, a connecting rod 13 is fixedly installed on the inner wall of the wind hood 1, an electrostatic eliminator 14 is fixedly installed on the side of the connecting rod 13 away from the inner wall, and a plurality of electrode ports 15 are arranged on the bottom of the electrostatic eliminator 14.

[0030] Specifically, the inner wall of the explosion-proof cover 4 is the same size as the outer side of the wind hood 1, and two explosion-proof covers 4 are provided. The two explosion-proof covers 4 are in a "C" shaped structure. The advantage is that through the design of the two explosion-proof covers 4, after the wind hood 1 is installed, the two explosion-proof covers 4 can wrap the wind hood 1. When an explosion occurs, it can protect the staff on the outside and prevent the wind hood 1 from exploding, causing injuries to the staff, thereby playing a protective role.

[0031] Specifically, the positioning bolt 6 passes through the two explosion-proof covers 4 and extends to the outside thereof. The positioning bolt 6 is located at the upper and lower ends of the explosion-proof covers 4. The advantage is that after the explosion-proof covers 4 are aligned, the positioning bolt 6 can pass through the two explosion-proof covers 4 to lock the explosion-proof covers 4, thereby preventing the explosion-proof covers 4 from falling off easily and affecting normal use.

[0032] Specifically, a plurality of positioning holes 5 are provided, and the size of the plurality of positioning holes 5 is the same as the size of the through groove above the connecting flange 2. The advantage is that, through the design of the plurality of positioning holes 5, when the positioning bolt 1 6 is locked to the explosion-proof cover 4, the positioning hole 5 and the through groove of the connecting flange 2 can be aligned, and then the double fixation can be achieved through the positioning bolt 2 8, thereby further improving the overall stability.

[0033] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0034] Specifically, the dust cover 7 is provided with two identical positioning bolts 8 which penetrate the dust cover 7 and the connecting flange 2 and extend to the interior of the explosion-proof cover 4. The advantage is that, through the design of the two dust covers 7, the dust entering the interior can be removed, thereby reducing the dust entering the interior of the wind cover 1, which can effectively reduce the static electricity generated by the dust and reduce the risk of static electricity.

[0035] Specifically, two identical groups of connecting rods 13 and static eliminators 14 are provided, and each group of connecting rods 13 and static eliminators 14 is provided with the identical two. The connecting rods 13 and static eliminators 14 are symmetrically distributed about the center line of the wind hood 1. The advantage is that static electricity can be eliminated inside through the connecting rods 13 and static eliminators 14, thereby avoiding the generation of static electricity that causes internal explosion, thereby causing higher safety hazards and improving overall safety.

[0036] Specifically, the inner wall of the wind hood 1 and the outer wall of the explosion-proof cover 4 are coated with polyurethane anti-corrosion coating, and the fan blades 12 are stainless steel blades. The advantage is that the polyurethane anti-corrosion coating can effectively improve the corrosion resistance of the wind hood 1 and the explosion-proof cover 4 and increase their service life. The stainless steel blades 12 can also increase the overall service life and also have a certain degree of corrosion resistance.

[0037] Working principle: When in use, through the design of two explosion-proof covers 4, after the wind hood 1 is installed, the two explosion-proof covers 4 can wrap the wind hood 1, and when an explosion occurs, it can protect the staff on the outside, and prevent the wind hood 1 from exploding and causing injuries to the staff, and play a protective role. After the explosion-proof covers 4 are aligned, the positioning bolt 6 can pass through the two explosion-proof covers 4 to lock the explosion-proof covers 4, and prevent the explosion-proof covers 4 from falling off easily and affecting normal use. Through the design of multiple positioning holes 5, when the positioning bolt 6 is locked to the explosion-proof cover 4, it can be aligned through the positioning hole 5 and the through groove of the connecting flange 2, and then through the positioning bolt 8 Double fixation is achieved to further improve the overall stability. Through the design of two dust covers 7, dust entering the interior can be removed, thereby reducing the dust entering the interior of the wind hood 1, and can effectively reduce the static electricity generated by dust, reducing the risk of static electricity. Through the connecting rod 13 and the static eliminator 14, static electricity can be eliminated inside, thereby avoiding static electricity from causing internal explosions, which leads to higher safety hazards and improves the overall safety. Through the polyurethane anti-corrosion coating, the corrosion resistance of the wind hood 1 and the explosion-proof cover 4 can be effectively improved, and their service life can be increased. The stainless steel fan blades 12 can also increase the overall service life and also have a certain degree of corrosion resistance.

[0038] 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. A fan with an explosion-proof structure, comprising a fan cover (1), characterized in that: The wind hood (1) is fixedly provided with connecting flanges (2) on both the front and rear sides, a mounting seat (3) is fixedly provided on the bottom of the wind hood (1), an explosion-proof cover (4) is provided on the outer wall of the wind hood (1), a plurality of positioning holes (5) are provided on both the front and rear sides of the explosion-proof cover (4), a positioning bolt (6) is provided on both the front and rear ends of the explosion-proof cover (4), a dust cover (7) is fixedly provided on the outer side of the connecting flange (2), a plurality of positioning bolts (8) are provided on the outer side of the dust cover (7), and the inner wall of the wind hood (1) is fixedly provided with a plurality of positioning bolts (9). A mounting frame (9) is fixedly installed, a motor (10) is fixedly installed on the top of the mounting frame (9), a connecting seat (11) is fixedly installed on the output shaft of the motor (10), a plurality of annularly distributed fan blades (12) are fixedly installed on the outer side of the connecting seat (11), a connecting rod (13) is fixedly installed on the inner wall of the wind cover (1), a static eliminator (14) is fixedly installed on the side of the connecting rod (13) away from the inner wall, and a plurality of electrode ports (15) are arranged at the bottom of the static eliminator (14).

2. The fan with explosion-proof structure according to claim 1, characterized in that: The inner wall of the explosion-proof cover (4) is the same size as the outer side of the wind cover (1), and two identical explosion-proof covers (4) are provided, and the two explosion-proof covers (4) are in a "C"-shaped structure.

3. The fan with explosion-proof structure according to claim 1, characterized in that: The positioning bolt (6) passes through the two explosion-proof covers (4) and extends to the outside thereof. The positioning bolt (6) is located at the upper and lower ends of the explosion-proof covers (4).

4. The fan with explosion-proof structure according to claim 1, characterized in that: The positioning holes (5) are provided in a plurality, and the size of the plurality of positioning holes (5) is the same as the size of the through slot above the connecting flange (2).

5. The fan with explosion-proof structure according to claim 1, characterized in that: The dust cover (7) is provided with two identical ones, and the second positioning bolt (8) penetrates the dust cover (7) and the connecting flange (2) and extends to the interior of the explosion-proof cover (4).

6. The fan with explosion-proof structure according to claim 1, characterized in that: The connecting rods (13) and the static eliminators (14) are provided in two identical groups, each group of the connecting rods (13) and the static eliminators (14) is provided with two identical ones, and the connecting rods (13) and the static eliminators (14) are symmetrically distributed about the center line of the wind hood (1).

7. The fan with explosion-proof structure according to claim 1, characterized in that: The inner wall of the wind cover (1) and the outer wall of the explosion-proof cover (4) are both coated with polyurethane anti-corrosion paint, and the fan blades (12) are stainless steel fan blades.

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