Marine ventilation device with noise reduction structure

Abstract

The utility model relates to the technical field of marine fans, in particular to a marine ventilation device with a noise reduction structure, which comprises a fan body, a filter screen used for filtering impurities, a mounting ring mounted on the side surface of the filter screen, and a noise reduction structure mounted on the mounting ring. And the inner sides of the mounting rings and one side of the fan body are mounted, a mounting groove is formed in the surface of the inner side of one group of mounting rings, and four groups of fixing grooves are formed in the inner wall of the mounting groove. Through the arrangement of parts such as a vacuum cavity, a mounting ring, a filter screen, a mounting groove, a fixing groove, a threaded hole, a mounting rod, a magnet disc, a fixing ring, a fixing plate, a mounting bolt and a sound absorption sponge, the problems that in the using process of an existing marine fan, the fan cannot conduct effective noise reduction treatment during ventilation operation, so that noise is generated in a cabin, and the service life of the fan is prolonged can be effectively solved. And therefore, the use effect of the marine fan is reduced.

Description

Technical Field

[0001] This utility model relates to the field of marine fan technology, specifically a marine ventilation device with a noise reduction structure. Background Technology

[0002] Fans are widely used for ventilation, dust removal and cooling in factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft in boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and conveying of grains; and as a wind source for wind tunnels.

[0003] Existing marine ventilation fans have a problem: they cannot effectively reduce noise during ventilation operation, which leads to noise in the cabin and reduces the effectiveness of the fans. Therefore, corresponding improvements are needed to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a marine ventilation device with a noise reduction structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a marine ventilation device with a noise reduction structure, including a fan body, wherein fixed plates are installed on all four sides of the fan body, and a vacuum chamber is opened inside the fan body, and further includes a filter screen for filtering impurities.

[0006] The side surface of the filter screen is equipped with an installation ring, and the inner side of the installation ring is installed with one side of the fan body. One set of the installation rings has an installation groove on its inner surface, and the inner wall of the installation groove has four sets of fixing grooves. The inner wall of one side of each fixing groove has a threaded hole. The side surface of the installation ring is equipped with four sets of installation rods, and one end of each of the four sets of installation rods is equipped with a magnetic disk.

[0007] The sound-absorbing sponge is used to absorb noise. The number of sound-absorbing sponges is set in several groups, and one end of each group of sound-absorbing sponges is installed with the inner side of a fixing ring. Four sets of mounting plates are installed on the side surface of the fixing ring, and mounting bolts are movably screwed into the interior of each of the four sets of mounting plates.

[0008] Preferably, all four sets of fixing plates are U-shaped, and the distance between the inner walls on both sides of the fixing plate is adapted to the width of the mounting rod.

[0009] The fixing plate is made of iron. One end of the mounting rod extends into the interior of the fixing plate, and one side surface of the magnet disk is attracted and fixed to one side inner wall of the fixing plate.

[0010] Preferably, the mounting ring and the filter screen are provided in two sets, with one set of mounting rings being movably installed on one side of the fan body;

[0011] Another set of mounting rings is fixedly installed on the other side of the fan body.

[0012] Preferably, the four sets of mounting plates are placed inside the corresponding fixing slots.

[0013] Preferably, the four sets of mounting plates are installed in a movable screw connection with the interior of the corresponding threaded holes by corresponding mounting bolts.

[0014] Preferably, the several groups of sound-absorbing sponges are arranged symmetrically with the center point of the fixing ring as the center point, and the outer surface of the several groups of sound-absorbing sponges is attached to the inner wall of the fan body.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By incorporating components such as a vacuum chamber, mounting ring, filter screen, mounting groove, fixing groove, threaded hole, mounting rod, magnetic disc, fixing ring, mounting plate, mounting bolt, and sound-absorbing sponge, the problem of existing marine fans failing to effectively reduce noise during ventilation operation can be effectively solved, resulting in noise generation in the ship's cabin and reducing the effectiveness of the marine fan.

[0017] During use, the vacuum chamber and several sets of sound-absorbing sponges can absorb and block the noise generated by the fan body during operation, thereby reducing the propagation of noise and thus achieving noise reduction.

[0018] When it is necessary to replace several sets of sound-absorbing sponges after a period of use, the user can move the mounting rings that are installed with the sets of sound-absorbing sponges away from the fan body. This allows the four mounting rods to move accordingly, enabling one end of each of the four mounting rods to move out of the corresponding fixing plate. This allows the four magnetic discs to separate from one side of the corresponding fixing plate, allowing the sets of sound-absorbing sponges to move out of the fan body. After this, the user can rotate the four mounting bolts in sequence, allowing one end of each bolt to rotate out of the corresponding threaded hole. This allows the fixing ring and the four mounting plates to be removed from the mounting groove and the four fixing grooves, respectively, thus completing the disassembly of the sets of sound-absorbing sponges. The same operation can be repeated in reverse to reinstall the fixing ring, the four mounting plates, and the sets of sound-absorbing sponges into their initial positions for continued use. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the main body of this utility model.

[0020] Figure 2 This is a three-dimensional half-section structural diagram of the fan body of this utility model.

[0021] Figure 3 This is a three-dimensional structural diagram of the mounting ring of this utility model.

[0022] Figure 4 This is a three-dimensional structural diagram of the fixing ring of this utility model.

[0023] In the diagram: 1. Fan body; 11. Fixing plate; 12. Vacuum chamber; 2. Mounting ring; 21. Filter screen; 22. Mounting groove; 23. Fixing groove; 24. Threaded hole; 25. Mounting rod; 26. Magnet disc; 3. Fixing ring; 31. Mounting plate; 32. Mounting bolt; 33. Sound-absorbing sponge. Detailed Implementation

[0024] 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.

[0025] To achieve the above objectives, according to Figures 1-4 As shown, the present invention provides the following technical solution: a marine ventilation device with a noise reduction structure, including a fan body 1, with fixing plates 11 installed on all four sides of the fan body 1, and a vacuum chamber 12 opened inside the fan body 1. The four fixing plates 11 are all made of iron. It also includes a filter screen 21 for filtering impurities.

[0026] The side surface of the filter screen 21 is equipped with an installation ring 2, and the inner side of the installation ring 2 is installed with one side of the fan body 1. The installation ring 2 and the filter screen 21 are set in two sets. One set of installation ring 2 is movably installed with one side of the fan body 1, and the other set of installation ring 2 is fixedly installed with the other side of the fan body 1. The inner surface of one set of installation ring 2 has an installation groove 22, and the inner wall of the installation groove 22 has four sets of fixing grooves 23. The inner wall of one side of the fixing groove 23 has a threaded hole 24. The side surface of the installation ring 2 is equipped with four sets of installation rods 25, and one end of each of the four sets of installation rods 25 is equipped with a magnetic disk 26. The four sets of fixing plates 11 are all U-shaped, and the distance between the inner walls on both sides of the fixing plate 11 is adapted to the width of the installation rod 25. The fixing plate 11 is made of iron. One end of the installation rod 25 extends into the interior of the fixing plate 11, and one side of the magnetic disk 26 is attracted and fixed to one side of the inner wall of the fixing plate 11.

[0027] Sound-absorbing sponges 33 are used to absorb noise. Several sets of sound-absorbing sponges 33 are arranged, and one end of each set of sound-absorbing sponges 33 is installed with the inner side of the fixing ring 3. The sets of sound-absorbing sponges 33 are arranged symmetrically with the center point of the fixing ring 3 as the center point. The outer surface of each set of sound-absorbing sponges 33 is attached to the inner wall of the fan body 1. Four sets of mounting plates 31 are installed on the side surface of the fixing ring 3. Each of the four sets of mounting plates 31 is movably screwed with a mounting bolt 32. The four sets of mounting plates 31 are placed inside the corresponding fixing grooves 23. The four sets of mounting plates 31 are movably screwed into the corresponding threaded holes 24 by the corresponding mounting bolts 32.

[0028] During use, the vacuum chamber 12 and several sets of sound-absorbing sponges 33 can absorb and block the noise generated by the fan body 1 during operation, thereby reducing the propagation of noise and thus achieving noise reduction.

[0029] When it is necessary to replace several sets of sound-absorbing sponges 33 after a period of use, the user can move the mounting ring 2, which is installed with several sets of sound-absorbing sponges 33, away from the fan body 1. This allows the four mounting rods 25 to move accordingly, so that one end of each of the four mounting rods 25 can move out of the interior of the corresponding fixing plate 11. This allows the four magnetic discs 26 to separate from one side of the corresponding fixing plate 11, and thus the several sets of sound-absorbing sponges 33 can move out of the interior of the fan body 1. After this, the user can rotate the four sets of mounting bolts 32 in sequence, so that one end of the four sets of mounting bolts 32 can be rotated out from the corresponding threaded holes 24, thereby removing the fixing ring 3 and the four sets of mounting plates 31 from the inside of the mounting groove 22 and the inside of the four sets of fixing grooves 23, respectively, thus completing the disassembly operation of several sets of sound-absorbing sponges 33. Then, by reversing the above operation, the fixing ring 3, the four sets of mounting plates 31 and the several sets of sound-absorbing sponges 33 can be installed back to the initial position for continued use.

[0030] 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. A marine ventilation device with a noise reduction structure, comprising a fan body, four sides of the fan body are provided with fixed plates, and a vacuum cavity is formed in the fan body, characterized in that: Also include: filter screen for filtering impurities; The side surface of the filter screen is provided with a mounting ring, and the inner side of the mounting ring is mounted on one side of the fan body, wherein the inner side surface of a group of the mounting ring is provided with a mounting groove, and the inner wall of the mounting groove is provided with four groups of fixing grooves, the inner wall of the fixing groove is provided with a threaded hole, the side surface of the mounting ring is provided with four groups of mounting rods, and one end of the four groups of mounting rods is provided with a magnet disc; The sound absorbing sponge is used for absorbing noise, and the number of the sound absorbing sponge is several groups, and one end of each of the several groups of sound absorbing sponge is mounted on the inner side of the fixing ring, the side surface of the fixing ring is provided with four groups of mounting plates, and the inner part of the four groups of mounting plates is movably screwed with mounting bolts.

2. The marine ventilation device with noise reduction structure according to claim 1, characterized in that: The shape of the four groups of fixing plates is arranged in the shape of a Chinese character "fang", and the distance between the two inner walls of the fixing plate is adapted to the width of the mounting rod; The fixing plate is made of iron, one end of the mounting rod extends into the inner part of the fixing plate, and the side surface of the magnet disc is fixedly arranged on the inner wall of the fixing plate.

3. The marine ventilation device with noise reduction structure according to claim 1, characterized in that: The mounting ring and the filter screen are provided with two groups, one group of the mounting ring is movably mounted on one side of the fan body; Another group of mounting rings is fixedly mounted on the other side of the fan body.

4. The marine ventilation device with noise reduction structure according to claim 1, characterized in that: The four groups of mounting plates are respectively placed in the corresponding fixing grooves.

5. The marine ventilation device with noise reduction structure according to claim 1, characterized in that: The four groups of mounting plates are movably screwed with the corresponding mounting bolts and the inner part of the corresponding threaded hole.

6. The marine ventilation device with noise reduction structure according to claim 1, characterized in that: The several groups of sound absorbing sponge are centrally symmetrically arranged with the center point of the fixing ring as the center point, and the outer surface of the several groups of sound absorbing sponge is arranged to be in close contact with the inner wall of the fan body.

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