Passive vibration plate with double-layer rubber edges

Abstract

A double-layer rubber edge passive vibration plate comprises an upper rubber edge which is made of an elastic soft rubber material and is formed on a balancing weight in a vulcanization mode; the balancing weight is embedded into the upper rubber edge; the lower rubber edge is fixed with the upper rubber edge and the balancing weight through an adhesive; the passive plate is novel in structure and ingenious in conception, and the double-layer rubber edge design optimizes the vibration characteristics of the passive plate, so that the sound quality performance of the sound box is remarkably improved, distortion and abnormal sound are reduced, and purer and more natural sound experience is brought. The application of the vibration balance theory further improves the vibration balance of the passive plate, so that the sound is more accurate and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibrating plate, in particular to a double-layer rubber edge passive vibrating plate. BACKGROUND

[0002] With the continuous improvement of people's pursuit of audio quality, as the key equipment of audio output, the optimization of the acoustic performance of the sound box is crucial. In the design and manufacturing process of the sound box, the passive vibrating plate, as one of the core components affecting the sound quality, has always been the focus of research and improvement in the industry.

[0003] The traditional sound box passive vibrating plate is often relatively simple in structure. In terms of connection mode, ordinary mechanical connection or simple adhesive connection is often used between components, which is easy to cause the components of the vibrating plate to loosen or break when used for a long time or subjected to strong vibration. Once the components loosen or break, not only can they not guarantee stable cooperative work, but also they can produce additional noise, which seriously affects the overall sound quality of the sound box.

[0004] From the aspect of vibration response, the single-layer rubber edge or the passive vibrating plate lacking effective counterweight adjustment can hardly achieve precise and efficient vibration response when facing complex and variable audio signals. Especially when the audio contains rich low-frequency components, the single-layer rubber edge cannot fully buffer and amplify the airflow impact force, so that the vibrating plate is difficult to produce vibration of sufficient strength, thereby causing insufficient low-frequency response of the sound box and lack of depth and strength of the sound. At the same time, due to the lack of reasonable counterweight adjustment, the vibrating plate performs poorly in low frequency when working, and is prone to insufficient low-frequency vibration and deviation or instability, affecting the clarity and fidelity of the sound.

[0005] In terms of acoustic effect, the sealing effect of the traditional passive vibrating plate and the sound box shell is not good, and the sound is easy to leak during transmission. This not only wastes sound energy, but also makes the acoustic characteristics of the sound box become blurred, and cannot create a clear and immersive sound quality experience for users. UTILITY MODEL CONTENTS

[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a double-layer rubber edge passive vibrating plate, which effectively solves the problems mentioned in the above background art.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model discloses a rubber edge, which is made of elastic soft rubber material and vulcanized on the counterweight block;

[0008] The counterweight block is embedded in the upper rubber edge;

[0009] The lower rubber edge is fixed with the upper rubber edge and the counterweight block by an adhesive;

[0010] The upper rubberized edge and the lower rubberized edge form a double-layer elastic support structure, and the outer edges thereof are sealingly connected with the speaker cabinet.

[0011] Preferably, the counterweight is made of metal and weighs 20-50g.

[0012] Preferably, the thickness of the upper rubberized edge and the lower rubberized edge is 1-3mm, and the Shore hardness thereof is 50-70 degrees.

[0013] Preferably, the fixing mode of the lower rubberized edge and the speaker cabinet is gluing or mechanical clamping.

[0014] Preferably, the outer edges of the upper rubberized edge and the lower rubberized edge are provided with sealing lips, which form an interference fit when in contact with the speaker cabinet.

[0015] Preferably, the middle part of the counterweight is provided with a plurality of hollow holes, which can enable the rubber to be firmly fused with the counterweight.

[0016] Beneficial effects: 1. Stable structure guarantee: the upper rubberized edge and the counterweight are integrally formed through a vulcanization mold, and the lower rubberized edge is firmly bonded, so that the entire vibration plate forms a stable structure, ensuring that the components work cooperatively without affecting the performance due to looseness;

[0017] 2. High-efficiency vibration response: the double-layer elastic support structure is composed of the upper rubberized edge and the lower rubberized edge, which can effectively buffer and amplify the airflow impact force; the counterweight adjusts the vibration frequency and low-frequency diving, so that the vibration plate can maintain stable and high-efficiency low-frequency response under different frequency audio excitation;

[0018] 3. Enhanced acoustic performance: the reciprocating movement of the vibration plate transmits inside the speaker cabinet to induce resonance, and the sealing structure of the outer edges of the upper rubberized edge and the lower rubberized edge and the speaker cabinet prevents sound leakage, concentrates sound energy, significantly enhances the low-frequency response and overall acoustic characteristics of the speaker, and provides users with better and more immersive sound quality experience. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with embodiments of the present utility model to explain the present utility model, and do not constitute a limitation on the present utility model. In the drawings:

[0020] Figure 1 is a whole three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 2 is an exploded structure schematic diagram of the present utility model;

[0022] Figure 3 is a counterweight setting structure schematic diagram of the present utility model;

[0023] Figure 4It is the installation and use structure schematic view of the utility model;

[0024] The figure mark: 1, the upper rubber edge; 2, the counterweight block; 3, the lower rubber edge. DETAILED DESCRIPTION

[0025] The following will be combined with the attached Figures 1-4 The specific embodiment of the utility model is further detailed.

[0026] Example one, by Figures 1-4 Provided by the utility model is a double-layer rubber edge passive vibration plate, comprising

[0027] The upper rubber edge 1 is made of elastic soft rubber material, and is tightly attached to the counterweight block 2 through vulcanization forming process. The thickness is between 0.5-1.5 mm, the Shore hardness is 50-70 degrees, and it has good elastic deformation capacity, which can effectively buffer and transmit vibration energy. The outer edge of the upper rubber edge 1 is provided with a sealing lip, and when the sealing lip contacts the sound box shell 4, an interference fit is formed, which plays a good sealing role and prevents sound leakage.

[0028] The counterweight block 2 is made of metal material, and the weight range is controlled within 20-50g. The shape can be round or square according to the actual design requirements. A plurality of hollow holes are formed in the middle of the counterweight block 2, which can not only adjust the weight of the counterweight requirement, but also enable the rubber and the counterweight block to be firmly integrated. The counterweight block 2 is embedded in the upper rubber edge 1, and the rubber R ring is provided with reinforcing lines to enhance the embedding stability of the rubber edge 1, so that the two work together during the vibration process without displacement.

[0029] The lower rubber edge 3 is also made of elastic soft rubber material with a thickness of 0.5-1.5mm and a Shore hardness of 50-70 degrees. It is stably connected with the upper rubber edge 1 and the counterweight block 2 through high-strength adhesive (such as polyurethane adhesive). The inner edge of the lower rubber edge 3 is provided with an annular groove, which is matched with the annular protrusion at the corresponding position of the upper rubber edge 1 and the counterweight block 2. This concave-convex matching structure further assists the adhesive, enhancing the connection strength. The fixing mode of the lower rubber edge 3 and the sound box shell 4 is flexible and diverse, which can adopt the mode of gluing or mechanical buckle, to ensure that the whole vibration plate is tightly combined with the sound box shell.

[0030] The sound box shell 4 is the external bearing structure of the whole vibration system, and is sealingly connected with the outer edges of the upper rubber edge 1 and the lower rubber edge 3, providing a stable installation foundation for the vibration plate, and participating in the process of sound resonance and propagation.

[0031] Working principle: The utility model discloses a use in the process of making, the rubberized edge 1 with counterweight 2 realizes integrated molding through vulcanization mould, and this process makes the both tightly combined as a stable whole structure. Then, the lower rubberized edge 3 is firmly bonded with the formed rubberized edge 1 and counterweight 2 with the help of glue, finally fixes and seals the outer edge of lower rubberized edge 3 and sound box shell 4, completes the installation of whole vibrating plate in sound box.

[0032] When the loudspeaker works, airflow is generated inside the sound box. These airflows will exert force on the double-layer rubberized edge passive vibrating plate, pushing it to move up and down reciprocally. The double-layer elastic support structure composed of the upper rubberized edge 1 and the lower rubberized edge 3 is the first to bear the brunt in this process, and effectively buffers and preliminarily amplifies the received airflow impact force by virtue of its good elastic deformation ability. At the same time, the counterweight 2 plays a key role in adjusting the vibration frequency and balance in the vibration process by virtue of its specific weight and material characteristics. Under different frequency audio excitation, the counterweight 2 enables the vibrating plate to maintain stable and efficient low-frequency response.

[0033] As the vibrating plate continues to move reciprocally, the vibration it generates is further transmitted inside the sound box and causes resonance. The sealing structure formed by the outer edges of the upper rubberized edge 1 and the lower rubberized edge 3 and the sound box shell 4 is crucial, as it effectively prevents sound leakage during vibration transmission, ensuring that sound energy is concentrated for use, thereby significantly enhancing the low-frequency response of the sound box and its overall acoustic characteristics, providing users with a higher-quality and more immersive sound quality experience.

[0034] Beneficial effects: Stable structure guarantee: the upper rubberized edge 1 and the counterweight 2 are integrally formed by vulcanization mould, and the lower rubberized edge 3 is firmly bonded, forming a stable structure for the entire vibrating plate, ensuring that all components work cooperatively without loosening or breaking, which affects sound performance.

[0035] Efficient low-frequency response: the double-layer elastic support structure composed of the upper rubberized edge 1 and the lower rubberized edge 3 can effectively buffer and amplify airflow impact force. The counterweight 2 adjusts the vibration frequency and balance, enabling the vibrating plate to maintain stable and efficient low-frequency response under different frequency audio excitation.

[0036] Enhanced acoustic performance: the reciprocating motion of the vibrating plate transmits and causes resonance inside the sound box, and the sealing structure of the outer edges of the upper rubberized edge 1 and the lower rubberized edge 3 and the sound box shell 4 prevents sound leakage, concentrates sound energy, significantly enhances the low-frequency response of the sound box and its overall acoustic characteristics, and provides users with a higher-quality and more immersive sound quality experience.

[0037] Vibration balance:

[0038] This design can effectively disperse vibration energy, avoid local stress concentration, and reduce the twisting deformation and resonance phenomenon of the passive plate.

[0039] Effective suppression of passive board resonance:

[0040] Double-layer rubber edge structure increases the rigidity of the passive board, reduces unnecessary resonance, and avoids noise.

[0041] Improve low frequency response:

[0042] The elasticity of the rubber edge helps the passive board respond more sensitively to low frequency signals, improving low frequency diving and dynamic performance.

[0043] Reduce distortion and noise:

[0044] The rubber edge can absorb the noise generated by the vibration of the passive board, reducing distortion and noise.

[0045] Double-layer structure further suppresses vibration transmission, reduces cabinet resonance, and reduces noise.

[0046] Improve the durability of the sound box:

[0047] Double-layer design enhances the impact resistance of the passive board, increases the power of the sound box, and reduces the risk of damage during use.

[0048] Finally, it should be noted that the above is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modification, equivalent substitution, improvement, etc. within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A double-layered rubber edge passive diaphragm, characterized by: Comprising An upper rubber edge (1) made of elastic soft rubber material, vulcanized and formed on the weight block (2); A weight block (2) embedded in the upper rubber edge (1); A lower rubber edge (3) fixed with the upper rubber edge (1) and the weight block (2) by adhesive; The upper rubber edge (1) and the lower rubber edge (3) form a double-layer elastic support structure, and the outer edges are sealingly connected with the speaker shell (4).

2. A double-layered rubber edge passive diaphragm according to claim 1, characterized in that: The weight block (2) is made of metal material, and the weight range is 20-50g.

3. A double-layered rubber edge passive diaphragm according to claim 2, characterized in that: The thickness of the upper rubber edge (1) and the lower rubber edge (3) is 0.5-1.5mm, and the Shore hardness is 50-70 degrees.

4. The double-layered rubber edge passive diaphragm according to claim 1, wherein: The fixing mode of the lower rubber edge (3) and the speaker shell (4) is adhesive or mechanical buckle.

5. The double-layered rubber edge passive diaphragm according to claim 1, wherein: The outer edges of the upper rubber edge (1) and the lower rubber edge (3) are provided with sealing lips, which form an interference fit when in contact with the speaker shell (4).

6. The double-layered rubber edge passive diaphragm according to claim 1, wherein: The middle part of the weight block (2) is provided with a plurality of hollow holes.

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