Marine noise reduction type ventilation pipe

By wrapping sound insulation cotton on the outer surface of the ventilation duct and fixing the sound insulation cover with threaded rods, the noise interference problem of ventilation duct is solved, the noise isolation effect is achieved, and the crew's work efficiency and quality of life are improved.

CN223279323UActive Publication Date: 2025-08-29WUHAN XINXIN SHENGYU IND & TRADE DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422562818.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-08-29
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The noise generated during use of the ventilation duct on a ship interferes with crew communication and command, affects safe operation, and may lead to hearing damage and increased psychological stress.

Method used

A marine sound silencer ventilation duct is designed, and a combined structure of sound insulation cotton, a first sound insulation cover and a second sound insulation cover is used to wrap the sound insulation material on the outer surface of the ventilation duct through winding and slot connection, and combined with the fixing method of threaded rods and screw hole blocks, an effective noise isolation is formed.

Benefits of technology

Effectively block the internal noise of the ventilation duct, improve crew information transmission, improve work efficiency and quality of life, and reduce noise interference in the living environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223279323U_ABST
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Abstract

The utility model provides a marine noise reduction type vent pipe, which relates to the technical field of vent pipes, and comprises a vent pipe main body, the outer surface of the vent pipe main body is symmetrically and fixedly connected with mounting fixing frames, and the outer surface of the vent pipe main body is provided with a sound insulation device. Before the ventilation pipeline body is installed on a ship to be used, a rectangular block is sleeved with a rectangular hole in sound insulation cotton, then the sound insulation cotton is wound around the surface of the ventilation pipeline body and wraps the surface of the ventilation pipeline body, and after the day, the sound insulation cotton and the ventilation pipeline body are wrapped with a first sound insulation cover and a second sound insulation cover and then limited; in this way, when the ventilation pipe body is used for ventilation treatment, the sound insulation cotton, the first sound insulation cover and the second sound insulation cover can block noise in the ventilation pipe body, information transmission of sailors is prevented from being affected, meanwhile, noise of the living environment of the sailors can be reduced, and working efficiency and living quality are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ventilation pipes, in particular to a marine silencer ventilation pipe. Background Art

[0002] A ventilation pipe is a pipe installed on a ship, mainly used to ensure the internal air circulation and use of the ship.

[0003] During the process of installing the ventilation duct body on the ship for ventilation, the friction with the wall of the ventilation duct body and the change of air flow speed will cause the ventilation duct body to generate some noise during use. Such noise may interfere with the normal communication and command of the crew. Especially in an emergency, the noise may mask important sound signals, resulting in poor information transmission and affecting the safe operation of the ship. At the same time, if the crew is in a high-noise environment for a long time, they may suffer from hearing damage, neurasthenia, increased psychological stress and other problems, which in turn affect their work efficiency and quality of life. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a marine silencer ventilation pipe.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a marine silencer ventilation pipe, comprising a ventilation pipe body, the outer surface of the ventilation pipe body is symmetrically fixedly connected to a mounting bracket, the outer surface of the ventilation pipe body is provided with a sound insulation device, both sides of the mounting bracket are provided with an adjustment device, the sound insulation device comprises sound insulation cotton, a first sound insulation cover and two gaskets, one side of the sound insulation cotton is provided with a rectangular hole, the outer surface of the ventilation pipe body is fixedly connected to a rectangular block, the rectangular block is inserted into the inner wall of the rectangular hole, and one side of the rectangular block is opposite to the inner wall of the rectangular hole. A card slot is provided, and a groove is symmetrically provided on one side of the rectangular block. A card block is symmetrically fixedly connected to one side of one end of the first sound insulation cover, and the card block is inserted in the inner wall of the card slot. The inner wall of one end of the first sound insulation cover is rotatably connected to the second diaphragm cover, and the outer surface of one end of the second sound insulation cover is symmetrically fixedly connected to a plurality of protrusions, and a threaded rod is rotatably connected between two opposite protrusions, and the threaded rod is inserted in the inner wall of the groove. The outer surface of the threaded rod is threadedly connected to a screw hole block, and the first sound insulation cover and the second sound insulation cover are arranged on the outer surface of the ventilation pipe body.

[0006] The effect achieved by the above components is as follows: by setting the sound insulation device, before the ventilation duct body is installed on the ship for use, the rectangular hole on the sound insulation cotton is first set on the rectangular block, and then the sound insulation cotton is wrapped around the surface of the ventilation duct body, its surface is wrapped, and its interface is glued with tape, and then the card block on one side of the first sound insulation cover is clamped in the card groove on the rectangular block, and the first sound insulation cover is set on the outer surface of the sound insulation cotton and the ventilation duct body, and then the second sound insulation cover is rotated to a certain angle in the inner wall of the first sound insulation cover so that it covers the other side of the ventilation duct body. After half covering, the threaded rod is rotated to a certain angle on the protrusion, and one end is stuck in the inner wall of the groove. The screw hole block is twisted so that one side of it abuts against one side of the rectangular block, and the second sound insulation cover is limited on the rectangular block, so that the first sound insulation cover and the second sound insulation cover wrap the sound insulation cotton and the ventilation pipe main body and then limit them. In this way, when the ventilation pipe main body is used for ventilation, the sound insulation cotton, the first sound insulation cover and the second sound insulation cover can block the noise inside the ventilation pipe main body to avoid affecting the information transmission of the crew, and at the same time reduce the noise in the crew's living environment, improve work efficiency and quality of life.

[0007] Preferably, a plurality of anti-sliding blocks are fixedly connected to the outer surface of the screw hole block, and the plurality of anti-sliding blocks are arranged at equal distances.

[0008] The effect achieved by the above components is that by arranging the anti-sliding block, the contact friction force of the outer surface of the screw hole block can be increased, so that it is not easy to slip when it is manually held and screwed.

[0009] Preferably, the gasket is sleeved on the outer surface of the threaded rod, and the gasket is arranged between the screw hole block and the rectangular block.

[0010] The effect achieved by the above components is that by providing the gasket, the contact area between the screw hole block and the rectangular block can be increased, making the contact more firm and stable.

[0011] Preferably, one end of the threaded rod is fixedly connected to a stopper, and the outer surface size of the stopper is larger than the inner wall size of the screw hole block.

[0012] The effect achieved by the above components is that by setting the stopper, the screw hole block and the gasket can be limited on the threaded rod, making it difficult for them to fall off from the threaded rod and avoid loss.

[0013] Preferably, the adjusting device includes a circular hole mounting block and a clamping rod, the circular hole mounting block is slidably connected to the inner wall of the mounting and fixing frame, a plurality of limiting grooves are opened on one side of the circular hole mounting block, and a first rectangular groove is opened on both sides of the inner wall of the mounting and fixing frame, a spring is fixedly connected to one side of the inner wall of the first rectangular groove, one side of the clamping rod is fixedly connected to one side of the spring, and the clamping rod is inserted into the inner wall of the limiting groove.

[0014] The effect achieved by the above components is: by setting the adjustment device, when the ventilation duct main body needs to be installed on the ship for use with the help of the installation bracket, the clamping rod can be first pulled upward to a certain position in the first rectangular groove according to the position of the installation hole reserved on the ship, driving the spring to be stretched, and then manually pulling the circular hole mounting block outward to a certain distance in the inner wall of the installation bracket, and then releasing the clamping rod so that it can be stuck into the corresponding limit groove under the resetting action of the spring, and the adjusted circular hole mounting block is fixed and limited, so that it is convenient to align with the reserved mounting hole on the ship, facilitate the installation of the ventilation duct main body, and improve the adaptability of the ventilation duct main body and the installation bracket.

[0015] Preferably, the longitudinal section of one end of the circular hole mounting block is T-shaped, and the longitudinal sections of the inner walls at both ends of the mounting bracket are T-shaped.

[0016] The effect achieved by the above components is: by setting the inner walls of both ends of the round hole mounting block and the mounting bracket into a T shape, the round hole mounting block can be adjusted on the mounting bracket so that one side can always fit the surface of the installation position on the ship, making its installation more firm and stable.

[0017] Preferably, a second rectangular groove is symmetrically opened on one side of the clamping rod, and the second rectangular groove is arranged on a side of the inner wall of the clamping rod away from the first rectangular groove.

[0018] The effect achieved by the above components is: by setting the second rectangular groove, when the card rod needs to be pulled out of the limit groove, it is convenient to manually grab the inner wall of the second rectangular groove, thereby facilitating operation.

[0019] Preferably, a telescopic rod is fixedly connected to one side of the inner wall of the first rectangular groove, one end of the telescopic rod is fixedly connected to one side of the clamping rod, and the outer surface of the telescopic rod is sleeved and connected to the inner wall of the spring.

[0020] The effect achieved by the above components is that by arranging the telescopic rod, the inner wall of the spring can be supported and reinforced, making it less likely to be damaged and increasing its service life.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] In the present invention, by arranging a sound insulation device, before the ventilation duct main body is installed on the ship for use, the rectangular holes on the sound insulation cotton are firstly sleeved on the rectangular block, and then the sound insulation cotton is wrapped around the surface of the ventilation duct main body to wrap the surface. After the first sound insulation cover and the second sound insulation cover are used to wrap the sound insulation cotton and the ventilation duct main body, they are limited in position. In this way, when the ventilation duct main body is used for ventilation, the sound insulation cotton and the first sound insulation cover and the second sound insulation cover can block the noise inside the ventilation duct main body to avoid affecting the information transmission of the crew, and at the same time can reduce the noise in the living environment of the crew, thereby improving work efficiency and quality of life. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the main body of the ventilation pipe of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the first sound insulation cover of the utility model;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the mounting bracket of the utility model.

[0027] Legend: 1. Ventilation duct body; 2. Sound insulation device; 3. Adjustment device; 4. Mounting bracket; 21. Sound insulation cotton; 22. Rectangular hole; 23. Rectangular block; 24. Slot; 25. Groove; 26. First sound insulation cover; 27. Second sound insulation cover; 28. Block; 29. ​​Bump; 210. Threaded rod; 211. Screw hole block; 212. Anti-sliding block; 213. Gasket; 214. Block; 31. Round hole mounting block; 32. Limiting groove; 33. First rectangular groove; 34. Spring; 35. Clamping rod; 36. Second rectangular groove; 37. Telescopic rod. DETAILED DESCRIPTION

[0028] Example 1, as Figure 1-4As shown, a marine silencer ventilation pipe comprises a ventilation pipe body 1, the outer surface of the ventilation pipe body 1 is symmetrically fixedly connected with a mounting bracket 4, the outer surface of the ventilation pipe body 1 is provided with a sound insulation device 2, both sides of the mounting bracket 4 are provided with an adjustment device 3, the sound insulation device 2 comprises a sound insulation cotton 21, a first sound insulation cover 26 and two gaskets 213, a rectangular hole 22 is opened on one side of the sound insulation cotton 21, a rectangular block 23 is fixedly connected to the outer surface of the ventilation pipe body 1, the rectangular block 23 is inserted into the inner wall of the rectangular hole 22, a card slot 24 is symmetrically opened on one side of the rectangular block 23, and one side of the rectangular block 23 is provided with a card slot 24. A groove 25 is symmetrically opened on the side, and a block 28 is symmetrically fixedly connected to one end of the first sound insulation cover 26. The block 28 is inserted in the inner wall of the groove 24. The inner wall of one end of the first sound insulation cover 26 is rotatably connected to the second diaphragm cover. A plurality of protrusions 29 are symmetrically fixedly connected to the outer surface of one end of the second sound insulation cover 27. A threaded rod 210 is rotatably connected between two opposite protrusions 29. The threaded rod 210 is inserted in the inner wall of the groove 25. The outer surface of the threaded rod 210 is threadedly connected with a screw hole block 211. The first sound insulation cover 26 and the second sound insulation cover 27 are arranged on the outer surface of the ventilation pipe body 1. Before installing the ventilation duct body on the ship for use, first put the rectangular hole 22 on the sound insulation cotton 21 on the rectangular block 23, then wrap the sound insulation cotton 21 around the surface of the ventilation duct body 1, wrap its surface, and stick its interface with tape, then clamp the block 28 on one side of the first sound insulation cover 26 into the clamping groove 24 on the rectangular block 23, and then put the first sound insulation cover 26 on the outer surface of the sound insulation cotton 21 and the ventilation duct body 1, and then rotate the second sound insulation cover 27 to a certain angle in the inner wall of the first sound insulation cover 26 so that it covers the other half of the ventilation duct body 1, so that the threaded rod 210 is in the The protrusion 29 is rotated to a certain angle, and one end is stuck in the inner wall of the groove 25. When the screw hole block 211 is screwed so that one side of it abuts against one side of the rectangular block 23, the second sound insulation cover 27 is limited on the rectangular block 23, so that the first sound insulation cover 26 and the second sound insulation cover 27 wrap the sound insulation cotton 21 and the ventilation pipe main body 1 and then limit them. In this way, when the ventilation pipe main body 1 is used for ventilation, the sound insulation cotton 21 and the first sound insulation cover 26 and the second sound insulation cover 27 can block the noise inside the ventilation pipe main body 1 to avoid affecting the information transmission of the crew, and at the same time reduce the noise in the crew's living environment, thereby improving work efficiency and quality of life.

[0029] Reference Figure 2 and Figure 3As shown, this embodiment discloses that the outer surface of the screw hole block 211 is fixedly connected to a plurality of anti-slip blocks 212, and the plurality of anti-slip blocks 212 are arranged at equal distances. By providing the anti-slip blocks 212, the contact friction force on the outer surface of the screw hole block 211 can be increased, making it less likely to slip when manually gripping and twisting it. The gasket 213 is sleeved on the outer surface of the threaded rod 210 and is arranged between the screw hole block 211 and the rectangular block 23. By providing the gasket 213, the contact area between the screw hole block 211 and the rectangular block 23 can be increased, making the contact more secure and stable.

[0030] Reference Figure 2 and Figure 3 As shown, this embodiment discloses that a stopper 214 is fixedly connected to one end of the threaded rod 210, and the outer surface size of the stopper 214 is larger than the inner wall size of the screw hole block 211. By providing the stopper 214, the screw hole block 211 and the washer 213 can be restrained on the threaded rod 210, making them less likely to fall off the threaded rod 210 and prevent loss.

[0031] Reference Figure 4 As shown, this embodiment discloses that the adjustment device 3 includes a circular hole mounting block 31 and a clamping rod 35. The circular hole mounting block 31 is slidably connected to the inner wall of the mounting and fixing frame 4. A plurality of limiting grooves 32 are opened on one side of the circular hole mounting block 31. A first rectangular groove 33 is opened on both sides of the inner wall of the mounting and fixing frame 4. A spring 34 is fixedly connected to one side of the inner wall of the first rectangular groove 33. One side of the clamping rod 35 is fixedly connected to one side of the spring 34. The clamping rod 35 is inserted into the inner wall of the limiting groove 32. When the ventilation duct main body 1 needs to be installed on a ship for use with the help of the mounting bracket 4, the clamping rod 35 can be first pulled upward to a certain position in the first rectangular groove 33 according to the position of the mounting hole reserved on the ship, driving the spring 34 to be stretched, and then the circular hole mounting block 31 is manually pulled outward to a certain distance in the inner wall of the mounting bracket 4, and then the clamping rod 35 is released so that it can be stuck into the corresponding limiting groove 32 under the resetting action of the spring 34, and the adjusted circular hole mounting block 31 is fixed and limited, so that it is easy to align with the reserved mounting hole on the ship, facilitate the installation of the ventilation duct main body 1, and improve the adaptability of the ventilation duct main body 1 and the mounting bracket 4.

[0032] Reference Figure 4As shown, this embodiment discloses that one end of the circular hole mounting block 31 has a T-shaped longitudinal section, and the longitudinal section of the inner wall at both ends of the mounting bracket 4 has a T-shape. By setting the inner walls of both ends of the circular hole mounting block 31 and the mounting bracket 4 to be T-shaped, the circular hole mounting block 31 can be adjusted on the mounting bracket 4 so that one side can always fit the surface of the installation position on the ship, making its installation more secure and stable. A second rectangular groove 36 is symmetrically provided on one side of the clamping rod 35. The second rectangular groove 36 is provided on the side of the inner wall of the clamping rod 35 away from the first rectangular groove 33. By providing the second rectangular groove 36, when it is necessary to pull the clamping rod 35 out of the limiting groove 32, it is convenient to manually grab the inner wall of the second rectangular groove 36, making it easier to operate it. A telescopic rod 37 is fixedly connected to one side of the inner wall of the first rectangular groove 33. One end of the telescopic rod 37 is fixedly connected to one side of the clamping rod 35, and the outer surface of the telescopic rod 37 is sleeved and connected to the inner wall of the spring 34. By providing the telescopic rod 37 , the inner wall of the spring 34 can be supported and reinforced, making it less prone to damage and increasing its service life.

[0033] Working principle: before installing the ventilation duct body on the ship for use, first put the rectangular hole 22 on the sound insulation cotton 21 on the rectangular block 23, then wrap the sound insulation cotton 21 around the surface of the ventilation duct body 1, wrap its surface, and stick its interface with tape, then clamp the block 28 on one side of the first sound insulation cover 26 into the card groove 24 on the rectangular block 23, and then put the first sound insulation cover 26 on the outer surface of the sound insulation cotton 21 and the ventilation duct body 1, and then rotate the second sound insulation cover 27 to a certain angle in the inner wall of the first sound insulation cover 26 so that it covers the other half of the ventilation duct body 1, so that the threaded rod 2 10 is rotated to a certain angle on the protrusion 29, and one end is stuck in the inner wall of the groove 25. When the screw hole block 211 is screwed so that one side thereof abuts against one side of the rectangular block 23, the second sound insulation cover 27 is limited on the rectangular block 23, so that the first sound insulation cover 26 and the second sound insulation cover 27 wrap the sound insulation cotton 21 and the ventilation pipe main body 1 and then limit them. In this way, when the ventilation pipe main body 1 is used for ventilation, the sound insulation cotton 21 and the first sound insulation cover 26 and the second sound insulation cover 27 can block the noise inside the ventilation pipe main body 1 to avoid affecting the information transmission of the crew, and at the same time reduce the noise in the living environment of the crew, thereby improving work efficiency and quality of life.

[0034] When the ventilation duct main body 1 needs to be installed on a ship for use with the help of the mounting bracket 4, the clamping rod 35 can be first pulled upward to a certain position in the first rectangular groove 33 according to the position of the mounting hole reserved on the ship, driving the spring 34 to be stretched, and then the circular hole mounting block 31 is manually pulled outward to a certain distance in the inner wall of the mounting bracket 4, and then the clamping rod 35 is released so that it can be stuck into the corresponding limiting groove 32 under the resetting action of the spring 34, and the adjusted circular hole mounting block 31 is fixed and limited, so that it is easy to align with the reserved mounting hole on the ship, facilitate the installation of the ventilation duct main body 1, and improve the adaptability of the ventilation duct main body 1 and the mounting bracket 4.

Claims

1. A marine muffler ventilation pipe, comprising a ventilation pipe body (1), characterized in that: The outer surface of the ventilation duct body (1) is symmetrically fixedly connected to a mounting bracket (4), the outer surface of the ventilation duct body (1) is provided with a sound insulation device (2), and both sides of the mounting bracket (4) are provided with an adjustment device (3), the sound insulation device (2) comprises sound insulation cotton (21), a first sound insulation cover (26) and two gaskets (213), one side of the sound insulation cotton (21) is provided with a rectangular hole (22), the outer surface of the ventilation duct body (1) is fixedly connected to a rectangular block (23), the rectangular block (23) is inserted into the inner wall of the rectangular hole (22), one side of the rectangular block (23) is symmetrically provided with a slot (24), and one side of the rectangular block (23) is symmetrically provided with a groove. (25), one end of the first soundproof cover (26) is symmetrically fixedly connected to a card block (28), the card block (28) is inserted into the inner wall of the card slot (24), one end of the first soundproof cover (26) is rotatably connected to the inner wall of the second soundproof cover (27), one end of the second soundproof cover is symmetrically fixedly connected to the outer surface of a plurality of protrusions (29), a threaded rod (210) is rotatably connected between two opposite protrusions (29), the threaded rod (210) is inserted into the inner wall of the groove (25), the outer surface of the threaded rod (210) is threadedly connected to a screw hole block (211), and the first soundproof cover (26) and the second soundproof cover (27) are arranged on the outer surface of the ventilation pipe body (1).

2. A marine muffler ventilation pipe according to claim 1, characterized in that: A plurality of anti-sliding blocks (212) are fixedly connected to the outer surface of the screw hole block (211), and the plurality of anti-sliding blocks (212) are arranged at equal distances.

3. A marine muffler ventilation pipe according to claim 1, characterized in that: The gasket (213) is sleeved on the outer surface of the threaded rod (210), and the gasket (213) is arranged between the screw hole block (211) and the rectangular block (23).

4. A marine muffler ventilation pipe according to claim 1, characterized in that: One end of the threaded rod (210) is fixedly connected to a stopper (214), and the outer surface size of the stopper (214) is larger than the inner wall size of the screw hole block (211).

5. The marine muffler ventilation pipe according to claim 1, characterized in that: The adjusting device (3) comprises a circular hole mounting block (31) and a clamping rod (35), wherein the circular hole mounting block (31) is slidably connected to the inner wall of the mounting bracket (4), a plurality of limiting grooves (32) are provided on one side of the circular hole mounting block (31), and first rectangular grooves (33) are provided on both sides of the inner wall of the mounting bracket (4), a spring (34) is fixedly connected to one side of the inner wall of the first rectangular groove (33), one side of the clamping rod (35) is fixedly connected to one side of the spring (34), and the clamping rod (35) is inserted into the inner wall of the limiting groove (32).

6. A marine muffler ventilation pipe according to claim 5, characterized in that: The longitudinal section of one end of the circular hole mounting block (31) is in a T-shape, and the longitudinal sections of the inner walls of both ends of the mounting bracket (4) are in a T-shape.

7. The marine muffler ventilation pipe according to claim 5, characterized in that: A second rectangular groove (36) is symmetrically formed on one side of the clamping rod (35), and the second rectangular groove (36) is arranged on a side of the inner wall of the clamping rod (35) away from the first rectangular groove (33).

8. The marine muffler ventilation pipe according to claim 5, characterized in that: A telescopic rod (37) is fixedly connected to one side of the inner wall of the first rectangular groove (33), one end of the telescopic rod (37) is fixedly connected to one side of the clamping rod (35), and the outer surface of the telescopic rod (37) is sleeved and connected to the inner wall of the spring (34).