A modular vibration damping pad for a speaker bracket

Abstract

This utility model discloses a combined vibration damping pad for a speaker bracket. It relates to the field of speaker vibration reduction technology and includes: a connecting plate, a base at the bottom of the connecting plate, a rubber block fixedly connected to the bottom of the base, a sliding rod fixedly connected to the inner wall of the connecting plate, and a damping rubber slidably connected to the outer wall of the sliding rod. This utility model, through a combined design of a buffer spring, damping rubber, and an air ring, forms a multi-dimensional vibration absorption and isolation system. The buffer spring directly absorbs vibration energy through elastic deformation, while the damping rubber dissipates energy through its own material damping characteristics and internal friction. The combination of these two effectively avoids the resonance problem easily caused by a single spring structure. The air ring deforms with the relative movement of the connecting plate and the base, and the internal gas flows through the flow holes to generate airflow damping, further supplementing the buffering effect. The synergistic effect of multiple buffer structures enhances the vibration damping performance.

Description

Technical Field

[0001] This utility model relates to the field of speaker vibration damping technology, specifically to a combined vibration damping pad for a speaker bracket. Background Technology

[0002] During the use of audio equipment, speakers resonate due to the vibration of their drivers. Simultaneously, external environmental factors such as ground vibrations and speaker stand sway can interfere with the stable operation and sound quality output of the speakers. Currently, most common speaker stand vibration damping structures on the market use a single spring buffer or rubber pad isolation method, which has significant limitations.

[0003] While a single-spring damping structure can absorb some vibrational energy through elastic deformation, it is prone to resonance under continuous vibration. This prevents the vibrational energy from being effectively dissipated and instead transmits the vibration to the speaker enclosure or support surface, affecting the purity of the audio output. This resonance problem is particularly prominent in low-frequency vibration scenarios. Structures relying solely on rubber pads for vibration damping have relatively fixed damping characteristics, making it difficult to meet the needs of speakers of varying weights or devices with different vibration frequencies. When the speaker enclosure is heavy, the rubber pads are prone to excessive deformation and loss of damping effect. Furthermore, they are susceptible to aging and decreased elasticity after prolonged use, resulting in a shorter lifespan. Utility Model Content

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this utility model is as follows: a combined vibration damping pad for a speaker bracket, comprising: a connecting plate, a base provided at the bottom end of the connecting plate, a rubber block fixedly connected to the bottom end of the base, a sliding rod fixedly connected to the inner wall of the connecting plate, a damping rubber slidably connected to the outer wall of the sliding rod, a buffer spring provided outside the damping rubber, a threaded cylinder fixedly connected to the outer wall of the base, and a shrink cover fixedly connected to the outer wall of the connecting plate.

[0005] Preferably, a limiting rod is fixedly connected to the bottom outer wall of the connecting plate, and a limiting cylinder is fixedly connected to the outer wall of the base. The outer wall of the limiting rod is slidably connected to the inner wall of the limiting cylinder. By sliding the limiting rod at the bottom of the connecting plate to the limiting cylinder on the base, the relative movement direction between the connecting plate and the base is restricted, thus avoiding weakening of the shock absorption effect or structural damage caused by horizontal displacement.

[0006] Preferably, the bottom end of the damping rubber is fixedly connected to the outer wall of the base, the inner wall of the damping rubber is fixedly connected with reinforcing ribs, the top end of the buffer spring is fixedly connected to the outer wall of the connecting plate, and the end of the buffer spring away from the connecting plate is fixedly connected to the outer wall of the base. Through the buffer spring fixedly connected between the connecting plate and the base, the buffer spring undergoes elastic deformation when vibration occurs, absorbing part of the vibration energy through stretching or compression. It is slidably connected to the sliding rod through the inner wall of the damping rubber and fixed to the base at its bottom end. When deformed with vibration, it dissipates vibration energy using the damping characteristics of its own material and internal friction.

[0007] Preferably, an air ring is fixedly connected to the bottom end of the shrink shroud, and a flow hole is formed in the wall of the air ring. The outer wall of the air ring is fixedly connected to the outer wall of the base. When the connecting plate moves relative to the base, the shrink shroud expands and contracts, deforming. External gas flows through the flow hole in the air ring, generating airflow damping, further consuming vibration energy, and enhancing the shock absorption effect of the buffer spring and damping rubber.

[0008] Preferably, an adjusting rod is slidably connected to the inner wall of the sliding rod, a rotating block is fixedly connected to the outer wall of the top end of the adjusting rod, and a threaded groove is formed on the outer wall of the bottom end of the adjusting rod. Rotating the rotating block inside the connecting plate drives the adjusting rod to rotate; the threaded groove at the bottom end of the adjusting rod is threadedly connected to the threaded cylinder on the base. When rotating, the adjusting rod slides along the sliding rod and the base, thereby changing the initial distance between the connecting plate and the base, which can adjust the initial compression of the buffer spring and the initial deformation of the damping rubber.

[0009] Preferably, the outer wall of the adjusting rod is slidably connected to the outer wall of the base, the threaded groove is threadedly connected to the inner wall of the threaded cylinder, and the outer wall of the rotating block is slidably connected to the inner wall of the connecting plate.

[0010] The beneficial effects of this utility model are as follows:

[0011] 1. This utility model forms a multi-dimensional vibration absorption and isolation system by setting up a combination of buffer spring, damping rubber and air ring. The buffer spring directly absorbs vibration energy by using elastic deformation, while the damping rubber consumes energy through its own material damping characteristics and internal friction. The combination of the two can effectively avoid the resonance problem that is easy to be generated by a single spring structure. The air ring deforms with the relative movement of the connecting plate and the base, and the internal gas flows through the flow hole to generate airflow damping, further supplementing the buffering effect. The multiple buffer structures work together to improve the shock absorption effect.

[0012] 2. This utility model uses a rotating block to drive the adjusting rod to rotate. By utilizing the threaded connection between the threaded groove at the bottom of the adjusting rod and the threaded cylinder of the base, the initial distance between the connecting plate and the base can be adjusted. For speakers with larger weight, the initial compression of the buffer spring and the pre-deformation degree of the damping rubber can be increased to improve the structural load-bearing capacity. For equipment with lower vibration frequency, the resonance frequency of the buffer spring and the damping rubber can be optimized by adjusting the pre-tightening force to ensure that it can play a shock absorption role under different vibration characteristics. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the shrink cover of this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the adjusting rod of this utility model.

[0017] In the diagram: 1. Connecting plate; 2. Base; 3. Rubber block; 4. Shrink cover; 5. Limiting rod; 6. Limiting cylinder; 7. Buffer spring; 8. Air ring; 9. Flow hole; 10. Damping rubber; 11. Sliding rod; 12. Adjusting rod; 13. Threaded groove; 14. Reinforcing rib; 15. Threaded cylinder; 16. Rotating block. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0019] Example:

[0020] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a combined vibration damping pad for a speaker bracket, comprising: a connecting plate 1, a base 2 at the bottom of the connecting plate 1, a rubber block 3 fixedly connected to the bottom of the base 2, a sliding rod 11 fixedly connected to the inner wall of the connecting plate 1, a damping rubber 10 slidably connected to the outer wall of the sliding rod 11, a buffer spring 7 provided on the outside of the damping rubber 10, a threaded cylinder 15 fixedly connected to the outer wall of the base 2, and a shrink cover 4 fixedly connected to the outer wall of the connecting plate 1.

[0021] A limiting rod 5 is fixedly connected to the bottom outer wall of the connecting plate 1, and a limiting cylinder 6 is fixedly connected to the outer wall of the base 2. The outer wall of the limiting rod 5 is slidably connected to the inner wall of the limiting cylinder 6.

[0022] The bottom end of the damping rubber 10 is fixedly connected to the outer wall of the base 2, and the inner wall of the damping rubber 10 is fixedly connected to the reinforcing rib 14. The top end of the buffer spring 7 is fixedly connected to the outer wall of the connecting plate 1, and the end of the buffer spring 7 away from the connecting plate 1 is fixedly connected to the outer wall of the base 2.

[0023] An air ring 8 is fixedly connected to the bottom of the shrink cover 4. A flow hole 9 is opened in the wall of the air ring 8. The outer wall of the air ring 8 is fixedly connected to the outer wall of the base 2.

[0024] An adjusting rod 12 is slidably connected to the inner wall of the sliding rod 11. A rotating block 16 is fixedly connected to the outer wall of the top end of the adjusting rod 12. A threaded groove 13 is provided on the outer wall of the bottom end of the adjusting rod 12.

[0025] The outer wall of the adjusting rod 12 is slidably connected to the outer wall of the base 2, the threaded groove 13 is threadedly connected to the inner wall of the threaded cylinder 15, and the outer wall of the rotating block 16 is slidably connected to the inner wall of the connecting plate 1.

[0026] Working principle:

[0027] When the speaker vibrates during operation or external vibrations are transmitted to the vibration damping pads through the speaker feet, the various components work together through multiple structures to absorb and dissipate the vibration energy, thereby reducing the transmission of vibration.

[0028] In use, the connecting plate 1, as the connecting component with the speaker feet, transmits vibration to the buffer spring 7 and damping rubber 10 between it and the base 2. The rubber block 3 at the bottom of the base 2 is in direct contact with the ground or support surface. By utilizing the elasticity and damping characteristics of the rubber material, the vibration transmitted from the base to the ground is reduced. The limiting rod 5 at the bottom of the connecting plate 1 is slidably connected to the limiting cylinder 6 on the base 2, which restricts the relative movement direction between the connecting plate and the base, and avoids the weakening of the shock absorption effect or structural damage caused by horizontal displacement. The buffer spring 7, which is fixedly connected between the connecting plate 1 and the base 2, undergoes elastic deformation when vibration occurs, absorbing part of the vibration energy through stretching or compression.

[0029] During vibration, when the connecting plate 1 moves, it will drive the sliding rod 11 to move. The sliding rod 11 is slidably connected to the inner wall of the damping rubber 10 and fixed to the base 2 at the bottom. When it deforms with vibration, it consumes vibration energy by utilizing the damping characteristics of its own material and internal friction, thus avoiding resonance of the buffer spring 7. At the same time, the reinforcing ribs 14 on the inner wall of the damping rubber 10 enhance its structural stability and prevent excessive deformation failure. When the connecting plate 1 and the base 2 move relative to each other, the shrink cover 4 expands and contracts to deform. The external gas flows through the flow hole 9 in the air ring 8, generating airflow damping, further consuming vibration energy and enhancing the shock absorption effect of the buffer spring 7 and the damping rubber 10.

[0030] Rotating the rotating block 16 inside the connecting plate 1 causes the adjusting rod 12 to rotate; the threaded groove 13 at the bottom of the adjusting rod 12 is threadedly connected to the threaded cylinder 15 on the base 2. When rotating, the adjusting rod 12 slides along the sliding rod 11 and the base 2, thereby changing the initial distance between the connecting plate 1 and the base 2. This allows for adjustment of the initial compression of the buffer spring 7 and the initial deformation of the damping rubber 10, thus achieving adjustment of the preload and ensuring a stable shock absorption effect under different loads.

[0031] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A combined shock pad for a speaker stand, characterized by, include: A connecting plate (1) is provided with a base (2) at the bottom end of the connecting plate (1). A rubber block (3) is fixedly connected to the bottom end of the base (2). A sliding rod (11) is fixedly connected to the inner wall of the connecting plate (1). A damping rubber (10) is slidably connected to the outer wall of the sliding rod (11). A buffer spring (7) is provided on the outside of the damping rubber (10). A threaded cylinder (15) is fixedly connected to the outer wall of the base (2). A shrink cover (4) is fixedly connected to the outer wall of the connecting plate (1).

2. The combined shock pad for a sound box support according to claim 1, wherein: A limiting rod (5) is fixedly connected to the bottom outer wall of the connecting plate (1), and a limiting cylinder (6) is fixedly connected to the outer wall of the base (2). The outer wall of the limiting rod (5) is slidably connected to the inner wall of the limiting cylinder (6).

3. The combined shock pad for a sound box support according to claim 1, wherein: The bottom end of the damping rubber (10) is fixedly connected to the outer wall of the base (2), and the inner wall of the damping rubber (10) is fixedly connected to the reinforcing rib (14). The top end of the buffer spring (7) is fixedly connected to the outer wall of the connecting plate (1), and the end of the buffer spring (7) away from the connecting plate (1) is fixedly connected to the outer wall of the base (2).

4. The combined shock pad for a sound box support according to claim 1, wherein: The bottom end of the shrink cover (4) is fixedly connected to an air ring (8), and a flow hole (9) is opened in the wall of the air ring (8). The outer wall of the air ring (8) is fixedly connected to the outer wall of the base (2).

5. The combined shock pad for a speaker stand according to claim 1, wherein: The inner wall of the sliding rod (11) is slidably connected to an adjusting rod (12), the top outer wall of the adjusting rod (12) is fixedly connected to a rotating block (16), and the bottom outer wall of the adjusting rod (12) is provided with a threaded groove (13).

6. The combined shock pad for a sound box support according to claim 5, wherein: The outer wall of the adjusting rod (12) is slidably connected to the outer wall of the base (2), the threaded groove (13) is threadedly connected to the inner wall of the threaded cylinder (15), and the outer wall of the rotating block (16) is slidably connected to the inner wall of the connecting plate (1).

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