Combined power amplifier sound system

By using vibration damping pads and L-shaped screw connections in the modular amplifier speaker, combined with power and audio jacks, the problem of resonance noise in traditional modular speakers is solved, achieving a more stable and flexible playback effect.

CN224571339UActive Publication Date: 2026-07-28MAXTRONIX CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MAXTRONIX CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Traditional modular amplifiers are prone to resonance and noise during assembly, which affects the playback quality.

Method used

The main speaker and the auxiliary speaker are connected by screws using shock-absorbing pads and L-shaped plates. Combined with the design of power sockets and audio sockets, it achieves stable connection and flexible power signal distribution.

Benefits of technology

It reduces speaker shell resonance, improves the stability and flexibility of playback, and avoids noise interference.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a combined power amplifier sound, related to sound equipment technical field, including main sound and vice sound still include connecting plate, the both sides of main sound are all seted up recess no.
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Description

Technical Field

[0001] This utility model relates to the field of audio equipment technology, specifically a combined power amplifier audio system. Background Technology

[0002] As living standards rise, music listening devices are becoming increasingly sophisticated. To enhance the music listening experience, there are now modular amplifier systems that combine multiple speakers to improve playback quality. These systems can also be disassembled and used separately, offering greater flexibility.

[0003] However, traditional modular amplifiers and audio systems often simply stack multiple speakers together during assembly. The speaker casings are often pressed together, which can easily cause resonance and generate noise, affecting the playback quality. Utility Model Content

[0004] The purpose of this invention is to provide a combined power amplifier speaker to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a combined power amplifier speaker, including a main speaker and a secondary speaker, and further comprising,

[0006] The connecting plate has grooves on both sides of the main speaker. The bottom of the connecting plate is rotatably connected to the bottom of the inner wall of the grooves via hinges. A damping pad is fixedly connected to one side of the connecting plate to reduce resonance. A threaded hole is provided on the lower side of the inner wall of the groove.

[0007] The top of the secondary speaker is fixedly connected to an iron plate, and an L-shaped plate is slidably connected through the lower side of the iron plate. The side of the L-shaped plate away from the iron plate is fitted with the threaded hole opening on the inner wall of the groove. A screw is threadedly connected to the inner wall of the threaded hole on the side of the L-shaped plate away from the iron plate for stable engagement of the main speaker and the secondary speaker. One side of the secondary speaker is fitted with a shock-absorbing pad away from the connecting plate to reduce resonance.

[0008] Preferably, a knob is fixedly connected to the top of the screw.

[0009] Preferably, the inner wall of the first groove is provided with an upper threaded hole, the connecting plate and the shock-absorbing pad are provided with through holes on the side away from the hinge, the side of the shock-absorbing pad away from the connecting plate is attached to the inner wall of the first groove, and the screw is threaded to connect the inner walls of the through hole and the upper threaded hole.

[0010] Preferably, the main speaker has grooves on both sides.

[0011] Preferably, a limiting plate is fixedly connected to the top of the L-shaped plate on the side away from the groove, and a magnetic strip is fixedly connected to the side of the L-shaped plate away from the iron plate, with the surface of the magnetic strip magnetically adhering to the side of the iron plate.

[0012] Preferably, a power socket and an audio socket are fixedly installed in the middle of the inner wall of the groove.

[0013] Preferably, anti-collision pads are fixedly connected to the four corners of the main speaker and the four corners of the auxiliary speaker.

[0014] Preferably, the secondary speaker has two grooves on both sides and the inner wall of the groove three, and a handle is fixedly connected to the top of the inner wall of the groove two.

[0015] Preferably, the bottom four corners of the main speaker and the auxiliary speaker are rotatably connected to self-locking rollers via bearings.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention connects the main and secondary speakers by setting up shock-absorbing pads and an L-shaped plate, and screwing a screw through the L-shaped plate into the lower threaded hole. This results in a more integrated design. During use, the vibration of the main and secondary speaker housings is absorbed and weakened by the shock-absorbing pads, reducing resonance. This solves the problem that in traditional modular amplifiers, multiple speakers are often simply stacked together, and the speaker housings are pressed together, which can easily cause resonance and generate noise, affecting the playback effect.

[0018] This utility model features a recess, a power socket, and an audio socket. When the components are assembled, the recess is exposed, allowing the power supply for the secondary speaker to be plugged into the power socket on the side of the main speaker. The audio port of the secondary speaker is connected to the audio socket via an audio cable, thus splitting the power and signal sources for greater flexibility. 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 schematic diagram of the main speaker assembly structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the main speaker's independent state structure of this utility model;

[0022] Figure 4 This utility model Figure 1 Enlarged view of a portion of point A in the middle;

[0023] Figure 5 This is a schematic diagram of the screw structure of this utility model.

[0024] In the diagram: 1. Main speaker; 2. Secondary speaker; 3. Recess 1; 4. Connecting plate; 5. Shock-absorbing pad; 6. Through hole; 7. Upper threaded hole; 8. Lower threaded hole; 9. Screw; 10. Knob; 11. Iron plate; 12. L-shaped plate; 13. Limiting plate; 14. Magnetic strip; 15. Power socket; 16. Audio socket; 17. Grip; 18. Recess 2; 19. Self-locking roller; 20. Anti-collision pad; 21. Recess 3. Detailed Implementation

[0025] 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.

[0026] Please see Figures 1-5 This utility model provides a technical solution: a combined power amplifier speaker, including a main speaker 1 and a secondary speaker 2, and further comprising,

[0027] The connecting plate 4 and the main speaker 1 are provided with grooves 3 on both sides. The bottom of the connecting plate 4 is connected to the bottom of the inner wall of the groove 3 by hinges. A shock-absorbing pad 5 is fixedly connected to one side of the connecting plate 4 to reduce resonance. The lower side of the inner wall of the groove 3 is provided with a threaded hole 8.

[0028] The top of the secondary speaker 2 is fixedly connected to an iron plate 11. An L-shaped plate 12 is slidably connected through the lower side of the iron plate 11. The side of the L-shaped plate 12 away from the iron plate 11 is attached to the opening of the threaded hole 8 on the inner wall of the groove 3. A screw 9 is threadedly connected to the side of the L-shaped plate 12 away from the iron plate 11 and the inner wall of the threaded hole 8 for stable engagement of the main speaker 1 and the secondary speaker 2. One side of the secondary speaker 2 is attached to the side of the shock-absorbing pad 5 away from the connecting plate 4 to reduce resonance.

[0029] The top of the screw 9 is fixedly connected to the knob 10, which is easy to hold and turn directly with your fingers without the need for additional tools;

[0030] The inner wall of the groove 3 has an upper threaded hole 7. The connecting plate 4 and the damping pad 5 have a through hole 6 on the side away from the hinge. The side of the damping pad 5 away from the connecting plate 4 fits against the inner wall of the groove 3. The screw 9 is threaded to connect the inner wall of the through hole 6 and the upper threaded hole 7. When not assembled, the damping pad 5 is put into the groove 3 for protection, and makes the two sides of the main speaker 1 flat and more beautiful.

[0031] The main speaker 1 has grooves 21 on both sides. When the connecting plate 4 is unfolded, the connecting plate 4 slides into the grooves 21, so that the connecting plate 4 and the shock-absorbing pad 5 are in a vertical position, which makes it easier for the secondary speaker 2 to fit together.

[0032] A limiting plate 13 is fixedly connected to the top of the L-shaped plate 12 away from the groove 3. A magnetic strip 14 is fixedly connected to the side of the L-shaped plate 12 away from the iron plate 11. The surface of the magnetic strip 14 magnetically adheres to the side of the iron plate 11. The limiting plate 13 and the magnetic strip 14 limit the L-shaped plate 12 to prevent the L-shaped plate 12 from slipping off the iron plate 11. When the L-shaped plate 12 is retracted, the magnetic strip 14 magnetically adheres to the iron plate 11 to fix the L-shaped plate 12.

[0033] A power socket 15 and an audio socket 16 are fixedly installed in the middle of the inner wall of the groove 3 for power splitting and audio cable connection, so that the power source and audio signal source of the two auxiliary speakers 2 are obtained from the main speaker 1, reducing the need for external power plugs and making it more flexible to use.

[0034] Anti-collision pads 20 are fixedly connected to the four corners of the main speaker 1 and the four corners of the auxiliary speaker 2 to protect the edges and corners;

[0035] The two sides of the secondary speaker 2 and the inner wall of the groove 3 21 are provided with groove 2 18. The top of the inner wall of the groove 2 18 is fixedly connected to a handle 17. By putting your hand into the groove 2 18 and holding the handle 17, it is convenient to pull the main speaker 1 and the secondary speaker 2.

[0036] The bottom four corners of the main speaker 1 and the auxiliary speaker 2 are all connected to self-locking rollers 19 via bearings, which facilitates movement and fixing of the position.

[0037] Working principle: Twist knob 10 to disengage screw 9 from through hole 6 and upper threaded hole 7. Fold down connecting plate 4 to disengage damping pad 5 from groove 3. Push auxiliary speaker 2 to fit against the surface of damping pad 5. Then pull L-shaped plate 12 to fit against the inner wall of groove 3. Screw 9 through L-shaped plate 12 and screw it into lower threaded hole 8 to connect auxiliary speaker 2 and main speaker 1. Plug the power supply of auxiliary speaker 2 into the power socket 15 on the side of main speaker 1 for power supply. Connect the audio port of auxiliary speaker 2 to audio socket 16 through audio cable to split the power and signal sources, making it more flexible. During use, the vibration of the housings of main speaker 1 and auxiliary speaker 2 is absorbed and weakened by damping pad 5, reducing resonance. This solves the problem that in traditional combination amplifiers, multiple speakers are often simply stacked together during assembly, and the speaker housings are easily resonated and generate noise, affecting the playback effect.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] 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 combined power amplifier speaker, comprising a main speaker (1) and a secondary speaker (2), characterized in that: It also includes, The connecting plate (4) has grooves (3) on both sides of the main speaker (1). The bottom sides of the connecting plate (4) are connected to the bottom side of the inner wall of the groove (3) by hinges. A damping pad (5) is fixedly connected to one side of the connecting plate (4) to reduce resonance. A threaded hole (8) is opened on the lower side of the inner wall of the groove (3). The top of the secondary speaker (2) is fixedly connected to an iron plate (11), and an L-shaped plate (12) is slidably connected through the lower side of the iron plate (11). The side of the L-shaped plate (12) away from the iron plate (11) is attached to the opening of the lower threaded hole (8) on the inner wall of the groove (3). The side of the L-shaped plate (12) away from the iron plate (11) and the inner wall of the lower threaded hole (8) are threaded with a screw (9) for the stable connection of the main speaker (1) and the secondary speaker (2). One side of the secondary speaker (2) is attached to the side of the shock-absorbing pad (5) away from the connecting plate (4) to reduce resonance. A power socket (15) and an audio socket (16) are fixedly installed in the middle of the inner wall of the groove (3).

2. The combined power amplifier speaker according to claim 1, characterized in that: A knob (10) is fixedly connected to the top of the screw (9).

3. A combined power amplifier speaker according to claim 1, characterized in that: The inner wall of the groove (3) is provided with an upper threaded hole (7), and the connecting plate (4) and the shock absorber (5) are provided with a through hole (6) on the side away from the hinge. The side of the shock absorber (5) away from the connecting plate (4) is attached to the inner wall of the groove (3), and the screw (9) is threaded to the inner wall of the through hole (6) and the upper threaded hole (7).

4. A combined power amplifier speaker according to claim 1, characterized in that: The main speaker (1) has grooves (21) on both sides.

5. A combined power amplifier speaker according to claim 1, characterized in that: A limiting plate (13) is fixedly connected to the top of the L-shaped plate (12) away from the groove (3), and a magnetic strip (14) is fixedly connected to the side of the L-shaped plate (12) away from the iron plate (11). The surface of the magnetic strip (14) magnetically adheres to the side of the iron plate (11).

6. A combined power amplifier speaker according to claim 1, characterized in that: Anti-collision pads (20) are fixedly connected to the four corners of the main speaker (1) and the four corners of the auxiliary speaker (2).

7. A combined power amplifier speaker according to claim 1, characterized in that: The secondary speaker (2) has grooves (18) on both sides and the inner wall of groove three (21), and a handle (17) is fixedly connected to the top of the inner wall of groove two (18).

8. A combined power amplifier speaker according to claim 1, characterized in that: The bottom four corners of the main speaker (1) and the auxiliary speaker (2) are all connected to self-locking rollers (19) by bearings.