A waterproof sound box for ship

By using waterproof rings, breathable membranes, and adjustable connection components, combined with waterproof plates and vibration damping components, the problem of water vapor intrusion into marine speakers in humid marine environments has been solved. This achieves efficient waterproofing and dustproofing, stable sound output, and convenient maintenance, thereby improving the service life and ease of maintenance of the equipment.

CN224418903UActive Publication Date: 2026-06-26QUANWEI (XIAMEN) ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QUANWEI (XIAMEN) ELECTRONICS CO LTD
Filing Date
2025-06-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing marine speakers are inadequate in preventing water vapor intrusion at connection points and external sound diffusion areas, affecting the stable operation of the equipment in high humidity and high salinity marine environments.

Method used

The speaker employs a waterproof ring, a breathable membrane, and adjustable connection components, combined with a waterproof plate and vibration damping components, to form multiple protective barriers, ensuring stable operation in humid environments. Furthermore, its flexible installation and adjustment, along with convenient maintenance design, enhances ease of use and maintenance efficiency.

Benefits of technology

It achieves efficient waterproofing and dustproofing, reduces the entry of water vapor and dust, extends equipment life, stabilizes sound output, and reduces maintenance difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of marine waterproof sound box, including rear box component and front box component, rear box component includes the shell for installing internal horn module, shell left and right sides are connected with the inner surface of U-shaped mounting bracket through adjustable type connecting component, and waterproof ring is equipped in junction; shell is located rear box tail and is made into groove structure by concave processing, and waterproof plate is installed at groove structure, and waterproof plate top is connected with cover bottom;Front box component includes containing chamber, loudspeaker grille and breathable membrane, and breathable membrane is equipped between containing chamber and loudspeaker grille. Through waterproof ring, breathable membrane and multiple waterproof structures, form airtight protective barrier, effectively prevent water vapor and dust into the sound box, ensure that sound box stable operation in humid, dusty marine environment, prolong the service life of equipment.
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Description

Technical Field

[0001] This utility model mainly relates to the technical field of marine speakers, specifically a marine waterproof speaker. Background Technology

[0002] Marine speakers, as critical audio equipment in marine environments, must possess characteristics such as waterproofing, dustproofing, UV resistance, and corrosion resistance to ensure stable operation under harsh conditions of high humidity and high salinity. Besides meeting entertainment needs, they also play a vital role in scenarios concerning the safety of ships and personnel, such as safety broadcasting and emergency distress signal transmission.

[0003] With the development of the shipbuilding industry, although existing marine speakers have achieved basic waterproof, corrosion-resistant and UV-resistant functions, there are still technical defects in practical applications. This is because most products mainly focus on technological updates to the speaker manufacturing materials to achieve waterproof and corrosion-resistant effects. However, a speaker is a device composed of multiple parts, and there are still areas that need improvement in terms of structural assembly. For example, there are deficiencies in waterproofing and moisture intrusion at some joints and external sound diffusion areas. Utility Model Content

[0004] This utility model mainly provides a marine waterproof speaker box to solve the technical problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0006] A marine waterproof speaker enclosure includes a rear enclosure component and a front enclosure component. The rear enclosure component includes an outer shell for mounting an internal speaker module. The left and right sides of the outer shell are connected to the inner surface of a U-shaped mounting bracket via adjustable connecting components, and waterproof rings are provided at the connection points.

[0007] The outer shell is located at the rear of the rear box and is made into a recessed structure. A waterproof plate is installed in the recessed structure, and the top of the waterproof plate is connected to the bottom of the cover plate.

[0008] The front box component includes a housing, a sound-amplifying mesh, and a breathable membrane, with the breathable membrane provided between the housing and the sound-amplifying mesh.

[0009] Furthermore, the adjustable connection assembly includes a nut, a screw, a waterproof ring, a washer, and a nut. The nut is placed on the outer surface of the U-shaped mounting bracket, and the screw passes through the washer, the U-shaped mounting bracket, the outer shell, and the waterproof ring in sequence, extending into the inner shell and threadedly connected to the nut. The waterproof ring is sealed by the compression of the screw and nut after being tightened, thus sealing the gap at the connection between the outer shell and the nut.

[0010] Furthermore, the outer casing is provided with a vibration damping component, which includes a metal plate and rubber plates on the upper and lower sides of the metal plate. One side of the rubber plate is connected to the inner surface of the outer casing and is bonded together with an adhesive.

[0011] Furthermore, the inner surface of the outer shell is provided with a cylindrical hole A, and the outer circumferential surface of the cylindrical hole A is connected to the inner surface of the outer shell through a fixing piece.

[0012] Furthermore, the inner surface of the accommodating chamber is provided with a cylindrical hole B, and when the rear box component and the front box component are connected, one end of the cylindrical hole A is inserted into the cylindrical hole B.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] Highly efficient waterproof and dustproof: Through multiple waterproof structures such as waterproof rings and breathable membranes, a tight protective barrier is formed, effectively preventing water vapor and dust from entering the speaker, ensuring stable operation of the speaker in humid and dusty marine environments, and extending the service life of the equipment.

[0015] Flexible installation and adjustment: The adjustable connection components allow for flexible connection and angle adjustment between the speaker and the U-shaped mounting bracket, meeting the needs of different installation positions and usage scenarios. The speaker can also be easily installed and removed by tightening and loosening the nuts, significantly improving ease of use and flexibility, and expanding the sound coverage.

[0016] Convenient inspection and maintenance: The waterproof plate and cover plate at the rear of the box form a detachable wiring module, which is fixed with cross screws and protected with sealant. While ensuring waterproof performance, it is convenient for maintenance personnel to quickly inspect and repair components such as wiring terminals and integrated circuit boards, reducing maintenance difficulty and cost.

[0017] Stable sound output: The vibration damping components inside the housing utilize the elasticity of the rubber plate and the supporting characteristics of the metal plate to effectively reduce the impact of vibration during ship navigation, reduce sound quality loss caused by vibration, ensure stable and high-quality audio output from the speaker, and ensure clear transmission of safety broadcasts and emergency signals.

[0018] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the adjustable connection component of this utility model;

[0021] Figure 3 This is a partial cross-sectional view of the vibration damping component of this utility model;

[0022] Figure 4 This is a partial sectional view of the front box component of this utility model.

[0023] In the diagram: 1. Rear box assembly; 11. Outer shell; 12. U-shaped mounting bracket; 13. Cover plate; 14. Waterproof plate; 15. Phillips head screw; 16. Adjustable connection assembly; 161. Nut; 162. Washer; 163. Screw; 164. Nut; 165. Waterproof ring; 17. Vibration damping assembly; 171. Rubber plate; 172. Metal plate; 18. Cylindrical hole A; 19. Fixing plate; 2. Front box assembly; 21. Compartment; 22. Loudspeaker grille; 23. Breathable membrane; 24. Cylindrical hole B. Detailed Implementation

[0024] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] Please refer to the appendix carefully. Figures 1 to 4 As shown, a marine waterproof speaker box includes a rear box component 1 and a front box component 2. The rear box component 1 includes an outer shell 11 for installing an internal speaker module. The left and right sides of the outer shell 11 are connected to the inner surface of the U-shaped mounting bracket 12 by an adjustable connecting component 16, and a waterproof ring 165 is provided at the connection.

[0028] The outer casing 11 is located at the rear of the rear box and is formed into a recessed structure. A waterproof plate 14 is installed in the recessed structure, and the top of the waterproof plate 14 is connected to the bottom of the cover plate 13. The cover plate 13 and the waterproof plate 14 are fixedly connected to the outer casing 11 by cross screws 15. This part is suitable for the wiring function at the rear of the speaker, forming a removable rear wiring module structure. For example, wiring terminals and corresponding integrated circuit board components for the loudspeaker can be installed on the waterproof plate 14 at the outer casing 11.

[0029] The front box assembly includes a housing 21, a loudspeaker grille 22, and a breathable membrane 23, with the breathable membrane 23 located between the housing 21 and the loudspeaker grille 22.

[0030] The adjustable connection assembly 16 includes a nut 161, a screw 163, a waterproof ring 165, a washer 162, and a nut 164. The nut 161 is placed on the outer surface of the U-shaped mounting bracket 12, and the screw 163 passes sequentially through the washer 162, the U-shaped mounting bracket 12, the outer shell 11, and the waterproof ring 165, extending into the interior of the outer shell 11 and threadedly connecting with the nut 164. The waterproof ring 165, after being tightened by the screw 163 and the nut 164, seals the gap at the connection between the outer shell 11 and the nut. This connection method not only ensures the connection between the outer shell 11 and the U-shaped mounting bracket 12, but also effectively prevents moisture from entering the speaker cabinet through the connection gaps through the waterproof ring 165 and the washer 162, thus improving the speaker cabinet's waterproof performance.

[0031] The outer casing 11 contains a vibration damping assembly 17, which includes a metal plate 172. Rubber plates 171 are respectively provided on the upper and lower sides of the metal plate 172. One side of each rubber plate 171 is connected to the inner surface of the outer casing 11 and is bonded with adhesive. The elastic properties of the rubber plates 171 are used to reduce the impact of vibration, and the metal plate 172 provides support for the rubber plates 171.

[0032] The inner surface of the outer casing 11 is provided with a cylindrical hole A18, and the outer circumferential surface of the cylindrical hole A18 is connected to the inner surface of the outer casing 11 through a fixing piece 19.

[0033] The inner surface of the accommodating chamber 21 is provided with a cylindrical hole B24. When the rear box component 1 and the front box component 2 are connected, one end of the cylindrical hole A18 is inserted into the cylindrical hole B24. Similarly, the cylindrical hole B24 and the cylindrical hole A18 are tightened by threading through the cross screw 15.

[0034] The specific implementation of this utility model is as follows:

[0035] According to the usage requirements of the ship, the speaker is installed in the designated position by means of special bolts and U-shaped mounting bracket 12. The special bolts are inserted and fixed through the fixing holes on the U-shaped mounting bracket 12. The U-shaped mounting bracket 12 and the outer shell 11 are connected by adjustable connecting components 16. The angle can be adjusted by tightening the nut 161. When tightening, it can be ensured that the U-shaped mounting bracket 12 and the outer shell 11 will not easily loosen during the voyage. At the same time, pay attention to the correct installation of the waterproof ring 165 and the gasket 162 to ensure the waterproof performance of the connection.

[0036] In addition, the waterproof plate 14 and the cover plate 13 are tightly connected by cross screws 15, and the waterproof plate 14 is coated with corrosion-resistant sealant material around its perimeter to improve the protective effect. This structure can form a better detachable wiring module at the conventional speaker tail wiring point, which can facilitate maintenance.

[0037] A breathable membrane 23 is installed inside the front of the speaker to ensure that its surface microporous structure is not blocked, so as to prevent moisture and dust from entering normally, while ensuring air circulation and not affecting the sound output effect. In addition, the vibration damping component 17 reduces the impact of external vibration and protects the audio electronic components inside the speaker from vibration.

[0038] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A marine waterproof speaker enclosure, comprising a rear enclosure component (1) and a front enclosure component (2), characterized in that, The rear box component (1) includes an outer shell (11) for installing an internal speaker module. The left and right sides of the outer shell (11) are connected to the inner surface of the U-shaped mounting bracket (12) via an adjustable connecting assembly (16), and a waterproof ring (165) is provided at the connection. The outer shell (11) is located at the rear of the rear box and is made into a groove structure by an inward concave treatment. A waterproof plate (14) is installed in the groove structure. The top of the waterproof plate (14) is connected to the bottom of the cover plate (13). The front box component includes a housing (21), a loudspeaker grille (22), and a breathable membrane (23), with the breathable membrane (23) provided between the housing (21) and the loudspeaker grille (22).

2. The marine waterproof speaker according to claim 1, characterized in that, The adjustable connection assembly (16) includes a nut (161), a screw (163), a waterproof ring (165), a washer (162), and a nut (164). The nut (161) is placed on the outer surface of the U-shaped mounting bracket (12), and the screw (163) passes through the washer (162), the U-shaped mounting bracket (12), the outer shell (11), and the waterproof ring (165) in sequence and extends into the interior of the outer shell (11) to be threadedly connected to the nut (164). The waterproof ring (165) is sealed by the compression of the screw (163) and the nut (164) after being locked.

3. A marine waterproof speaker according to claim 1, characterized in that, The outer shell (11) is provided with a vibration damping component (17), which includes a metal plate (172) and rubber plates (171) on the upper and lower sides of the metal plate (172). One side of the rubber plate (171) is connected to the inner surface of the outer shell (11) and is bonded by adhesive.

4. A marine waterproof speaker according to claim 1, characterized in that, The inner surface of the outer shell (11) is provided with a cylindrical hole A (18), and the outer circumferential surface of the cylindrical hole A (18) is connected to the inner surface of the outer shell (11) through a fixing piece (19).

5. A marine waterproof speaker according to claim 4, characterized in that, The inner surface of the accommodating chamber (21) is provided with a cylindrical hole B (24), and when the rear box component (1) and the front box component (2) are connected, one end of the cylindrical hole A (18) is inserted into the cylindrical hole B (24).