Modular sound box combination's magnetic attraction type splicing shell structure

By replacing traditional screw fixing with a magnetic splicing structure, the problem of complex connection between the modular speaker shell and cover is solved, enabling quick and convenient assembly and disassembly, improving the stability and sound quality of the speaker, and simplifying the operation process.

CN224418902UActive Publication Date: 2026-06-26SHENZHEN HENGDA ZHITONG TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN HENGDA ZHITONG TECH CO LTD
Filing Date
2025-06-20
Publication Date
2026-06-26

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Abstract

The utility model relates to technical field of sound box, concretely relates to modular sound box combination's magnetic attraction type splicing shell structure, including modular sound box main part, modular sound box main part is by rear side casing, the loudspeaker of installing on rear side casing rear side board body and the rear side cover of magnetic attraction connection between rear side casing are composed, the exposed chamber that is all linked with the outside in the front side and top of rear side casing is provided with, the left and right sides chamber wall on the front end part of exposed chamber all are fixedly installed with two guiding blocks of up and down, the front side is provided with the magnetic attraction slot of outside communication in guiding block, the inside surface of vertical section board body of rear side cover is fixedly installed with left and right two groups of strong magnet, and strong magnet inserts to magnetic attraction slot and is connected between guiding block magnetically, and the top board body of rear side cover covers on the top surface of rear side casing, and the left and right sides board body between rear side casing is provided with the anti -magnetic interference board. The utility model can carry out magnetic attraction type splicing, and the convenient assembly and disassembly.
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Description

Technical Field

[0001] This utility model relates to the field of speaker technology, and more specifically, to a magnetically attached splicing shell structure for modular speaker assemblies. Background Technology

[0002] In the field of modern audio equipment, speakers, as important terminals for sound playback, are widely used in various scenarios such as home entertainment, outdoor parties, and commercial activities. With the continuous evolution of user needs, the requirements for speaker functionality, portability, and personalized customization are increasing. Currently, most modular speakers utilize modular design and installation of their internal electronic components of the same specifications, offering the advantage of easily replacing the entire module if one module fails.

[0003] Patent CN117221771A discloses a modular assembled speaker, including a cabinet with a speaker installed inside. Multiple side plate fixing rings are fixedly installed on the inner walls of both sides of the cabinet. Side plate fixing posts are rotatably mounted on the inner walls of the side plate fixing rings. Anti-collision side plates are fixedly installed at the top of the side plate fixing posts. Side plate rings are fixedly installed on the side walls of the anti-collision side plates. Circular springs are fixedly installed on the side walls of the side plate rings. The side plate fixing posts are located at the center of the side plate rings. A top plate fixing ring is fixedly installed at the top of the cabinet. A top plate fixing post is slidably mounted inside the top plate fixing ring. An anti-collision top plate is fixedly installed at the top of the top plate fixing post. This invention reduces speaker vibration caused by the inertia of collisions during use through a clamping device, thereby reducing the vibration experienced by the speaker. A heat dissipation device dissipates heat from inside the cabinet.

[0004] Utility model patent CN219740555U discloses a magnetically adsorbed synchronous interconnected speaker. It includes a main enclosure, a connector ring, and a mating ring. A first magnetic element is fixedly installed inside the connector ring, and a second magnetic element is fixedly installed inside the mating ring. The mating ring is inserted into the connector ring, enabling a magnetic connection between the first and second magnetic elements. The audio output pins are electrically connected to the corresponding signal lines of the audio input plug. This utility model, by setting up the connector ring, mating ring, first magnetic element, and second magnetic element, enables a magnetic connection between the first and second magnetic elements when the connector ring and mating ring are inserted, thereby allowing identical speakers to be spliced ​​and fixed. The insertion connection of the connector ring and mating ring further improves the connection stability between adjacent speakers.

[0005] While the aforementioned technical solutions offer advantages, most modular speaker enclosures currently rely on multiple screws for fastening the shell and corresponding cover. This type of connection is complex, requiring the tightening of multiple screws for both assembly and disassembly. Furthermore, the threaded connection is susceptible to deformation and stripping due to the strength of the threads and the screws themselves. If the screw head deforms or strips, the connection cannot be secured, affecting performance. Therefore, we propose a magnetically attachable shell structure for modular speaker assemblies. Utility Model Content

[0006] The purpose of this invention is to provide a magnetically attachable shell structure for modular speaker assembly, in order to solve the defects mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] The modular speaker assembly features a magnetically attachable shell structure, comprising a modular speaker body. The modular speaker body consists of a rear shell, a speaker mounted on the rear panel of the rear shell, and a rear cover magnetically connected to the rear shell. The rear shell contains an exposed chamber with its front and top sides open to the outside. Two symmetrical guide blocks are fixedly installed on the left and right walls of the front end of the exposed chamber. Each guide block contains a magnetic groove that connects to the outside. The rear cover has an L-shaped cross-section. Two sets of symmetrical strong magnets are fixedly installed on the inner surface of the vertical section of the rear cover. These strong magnets are inserted into the magnetic grooves and magnetically connected to the guide blocks. The top panel of the rear cover covers the top surface of the rear shell.

[0009] Preferably, a plurality of rubber anti-slip pads are fixedly installed on the bottom of the rear housing, and the thickness of the rubber anti-slip pads is between 0.8mm and 2.5mm.

[0010] Preferably, a support plate is fixedly installed on the front side of the rear housing near the bottom position, and after the rear cover is closed, the vertical section of the rear cover abuts against the support plate.

[0011] This feature provides support for the rear cover.

[0012] Preferably, the top surfaces of the left and right side plates of the rear housing are provided with sliding grooves, and two symmetrical sliders are fixedly installed on the bottom surface of the top plate of the rear cover. The sliders are located in the sliding grooves and are slidably connected to the sliding grooves.

[0013] Preferably, the front end of the slide is connected to the outside, and the size of the slider is adapted to the size of the slide.

[0014] The above two features facilitate the sliding of the rear cover for assembly.

[0015] Preferably, an antimagnetic interference plate is provided between the left and right side plates of the rear housing, and the antimagnetic interference plate isolates the speaker and the strong magnet.

[0016] This feature utilizes an antimagnetic interference plate to isolate strong magnets from interference with the speaker.

[0017] Preferably, vertical guide rails are fixedly installed on the left and right side walls of the front end of the exposure chamber, and side slide bars are fixedly installed on both sides of the antimagnetic interference plate. The side slide bars are located inside the vertical guide rails and are slidably connected to the vertical guide rails.

[0018] Preferably, the top plate of the rear cover is provided with an insertion hole, the insertion hole is located directly above the two vertical guide rails and is connected to the interior of the vertical guide rails, a top limiting plate is fixedly installed on the top of the two side slide bars, the top limiting plate is located in the insertion hole and is inserted into the insertion hole, and thumb grooves are provided on the front and rear side walls of the insertion hole.

[0019] The above two settings facilitate the vertical insertion and assembly of the anti-magnetic interference plate. At the same time, after the top limiting plate is inserted, it can limit the backward sliding of the rear shell.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. This utility model uses a magnetic connection between the rear shell and the rear cover. A strong magnet is inserted into the magnetic groove to achieve a magnetic connection, eliminating the need for fastening screws. This greatly simplifies the assembly and disassembly process and avoids problems such as screw head deformation and stripping that prevent fixation. It achieves quick and convenient assembly and disassembly, effectively improving efficiency and product reliability.

[0022] 2. This utility model provides a guide block and a sliding groove on the rear housing and a slider on the corresponding rear cover. The guide block can accurately guide the installation position of the rear cover, and the sliding cooperation between the slider and the sliding groove facilitates the sliding of the rear cover into the assembly. At the same time, the support plate can support the rear cover, which together ensures the stability and accuracy of the rear cover installation and makes the shell splicing more robust and reliable.

[0023] 3. This utility model isolates the speaker from the strong magnet by setting an anti-magnetic interference plate, and uses vertical guide rails, side slides, and top limiting plates to achieve convenient installation and positioning, effectively isolating the strong magnet from the speaker and ensuring that the sound quality is not affected; the rubber anti-slip pad increases the stability of the speaker when placed, and the thumb groove facilitates operation, comprehensively improving the user experience and performance of the product. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0026] Figure 3 This is one of the partial structural schematic diagrams of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the rear cover of this utility model;

[0028] Figure 5 This is the second partial structural schematic diagram of the present utility model;

[0029] The meanings of the labels in the diagram are as follows:

[0030] 1. Modular speaker body; 10. Rear shell; 11. Rubber anti-slip pad; 12. Exposed chamber; 13. Speaker; 14. Support plate; 15. Guide block; 151. Magnetic groove; 16. Vertical guide rail; 17. Slide groove;

[0031] 2. Rear cover; 20. Strong magnet; 21. Slider; 22. Insertion hole; 23. Thumb buckle groove;

[0032] 3. Antimagnetic interference plate; 30. Side slide bar; 31. Top limiting plate. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0034] Please see Figures 1-5This utility model provides a technical solution: a magnetically attachable modular speaker assembly shell structure, including a modular speaker body 1. The modular speaker body 1 consists of a rear shell 10, a speaker 13 mounted on the rear panel of the rear shell 10, and a rear cover 2 magnetically connected to the rear shell 10. The rear shell 10 has an exposed chamber 12 that communicates with the outside on both the front and top. Two symmetrical guide blocks 15 are fixedly installed on the left and right walls of the front end of the exposed chamber 12. Each guide block 15 has a magnetically attached groove 151 that communicates with the outside on the front. The rear cover 2 has an L-shaped cross-section. Two sets of symmetrical strong magnets 20 are fixedly installed on the inner side of the vertical section plate of the side cover 2. The strong magnets 20 are inserted into the magnetic groove 151 and magnetically connected to the guide block 15. The top plate of the rear side cover 2 covers the top surface of the rear shell 10. The rear block of the guide block 15 is a magnetic structure and can be magnetically connected to the strong magnets 20. The strong magnets 20 are inserted into the magnetic groove 151 to achieve magnetic connection, replacing the traditional screw fixing method. This makes the modular speaker body 1 easy and quick to disassemble and assemble without tools, avoiding problems such as screw head deformation and stripping. It significantly improves the efficiency and reliability of shell assembly and disassembly.

[0035] like Figure 1 As shown, multiple rubber anti-slip pads 11 are fixedly installed on the bottom of the rear housing 10. The thickness of the rubber anti-slip pads 11 is between 0.8mm and 2.5mm, which can effectively increase the friction with the placement surface, prevent the speaker from sliding randomly due to vibration or external force during use, and ensure the stability of the speaker placement.

[0036] like Figure 2 As shown, a support plate 14 is fixedly installed on the front side of the rear housing 10 near the bottom. After the rear cover 2 is closed, the vertical section of the rear cover 2 abuts against the support plate 14, which can support the rear cover 2, share the force of the strong magnet 20, and further enhance the stability of the rear cover 2 after installation.

[0037] In this embodiment, grooves 17 are provided on the top surfaces of the left and right side plates of the rear housing 10. Two symmetrical sliders 21 are fixedly installed on the bottom surface of the top plate of the rear cover 2. The sliders 21 are located in the grooves 17 and are slidably connected to the grooves 17. The front end of the grooves 17 is connected to the outside. The size of the sliders 21 is adapted to the size of the grooves 17. The sliding of the sliders 21 in the grooves 17 provides guidance for the installation of the rear cover 2, so that the rear cover 2 can be accurately slid into the assembly position. This not only reduces the installation difficulty, but also ensures the accurate docking of the strong magnet 20 and the magnetic groove 151, improving the convenience and accuracy of assembly.

[0038] Specifically, an antimagnetic interference plate 3 is provided between the left and right side panels of the rear housing 10. The antimagnetic interference plate 3 is isolated between the speaker 13 and the strong magnet 20. The antimagnetic interference plate 3 can isolate the interference caused by the strong magnet 20 to the speaker 13, avoid sound quality distortion caused by magnetic field, and ensure the audio playback quality of the speaker. Other electronic components in the modular speaker body 1 are installed on the side of the antimagnetic interference plate 3 close to the speaker 13, so that the antimagnetic interference plate 3 can isolate the influence of magnetic field.

[0039] Furthermore, vertical guide rails 16 are fixedly installed on the left and right walls of the front end of the exposed chamber 12. Side slides 30 are fixedly installed on both sides of the antimagnetic interference plate 3. The side slides 30 are located inside the vertical guide rails 16 and are slidably connected to the vertical guide rails 16. The top plate of the rear cover 2 is provided with an insertion hole 22. The insertion hole 22 is located directly above the two vertical guide rails 16 and is connected to the inside of the vertical guide rails 16. A top limiting plate 31 is fixedly installed on the top of the two side slides 30. The top limiting plate 31 is located inside the insertion hole 22 and is inserted into the insertion hole 22 to realize convenient installation and precise positioning of the antimagnetic interference plate 3. At the same time, after the top limiting plate 31 is inserted into the insertion hole 22, it can also limit the backward sliding of the rear shell 10, thereby enhancing the stability of the overall structure.

[0040] like Figure 1 and Figure 4 As shown, thumb grooves 23 are provided on both the front and rear sides of the insertion hole 22. The thumb grooves 23 are used to pull the top limiting plate 31 upward after the thumb is inserted, so as to further realize the disassembly operation of the anti-magnetic interference plate 3.

[0041] When using the modular speaker assembly of this utility model with its magnetic splicing shell structure, the slider 21 at the bottom of the rear cover 2 is aligned with the slide groove 17 at the top of the rear shell 10, and the slide forward along the slide groove 17. During this process, the strong magnet 20 on the inner side of the vertical section plate of the rear cover 2 will align with the magnetic groove 151 in the guide block 15. The strong magnet 20 is inserted into the magnetic groove 151 and magnetically connected to the guide block 15 until the vertical section plate of the rear cover 2 abuts against the support plate 14. After the rear cover 2 is installed, the speaker 13 and other components inside the rear shell 10 are protected.

[0042] Next, insert the antimagnetic interference plate 3 along the insertion hole 22, and slide it into the exposed chamber 12 along the vertical guide rail 16 via the side slide bar 30, so that the top limiting plate 31 is inserted into the insertion hole 22 of the top plate of the rear side cover 2, thus completing the installation of the antimagnetic interference plate 3. It can be disassembled using the thumb buckle groove 23.

[0043] When disassembling the rear cover 2, first pull the antimagnetic interference plate 3 upward, then overcome the magnetic force and slide the rear cover 2 backward along the slide groove 17 to remove it.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A magnetically attachable modular speaker assembly shell structure, comprising a modular speaker body (1), characterized in that: The modular speaker body (1) consists of a rear shell (10), a speaker (13) mounted on the rear plate of the rear shell (10), and a rear cover (2) magnetically connected to the rear shell (10). The rear shell (10) has an exposed chamber (12) that is connected to the outside on both the front and top. Two symmetrical guide blocks (15) are fixedly installed on the left and right walls of the front end of the exposed chamber (12). The guide blocks (15) have magnetic grooves (151) that are connected to the outside on the front. The rear cover (2) has an L-shaped cross section. Two sets of symmetrical strong magnets (20) are fixedly installed on the inner side of the vertical section of the rear cover (2). The strong magnets (20) are inserted into the magnetic grooves (151) and magnetically connected to the guide blocks (15). The top plate of the rear cover (2) covers the top surface of the rear shell (10).

2. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 1, characterized in that: Multiple rubber anti-slip pads (11) are fixedly installed on the bottom of the rear housing (10), and the thickness of the rubber anti-slip pads (11) is between 0.8mm and 2.5mm.

3. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 1, characterized in that: A support plate (14) is fixedly installed on the front side of the rear housing (10) near the bottom. After the rear cover (2) is closed, the vertical section of the rear cover (2) abuts against the support plate (14).

4. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 1, characterized in that: The top surfaces of the left and right side plates of the rear housing (10) are provided with sliding grooves (17), and two symmetrical sliders (21) are fixedly installed on the bottom surface of the top plate of the rear cover (2). The sliders (21) are located in the sliding grooves (17) and are slidably connected to the sliding grooves (17).

5. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 4, characterized in that: The front end of the slide (17) is connected to the outside, and the size of the slider (21) is adapted to the size of the slide (17).

6. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 1, characterized in that: An antimagnetic interference plate (3) is provided between the left and right side plates of the rear housing (10), and the antimagnetic interference plate (3) isolates the speaker (13) and the strong magnet (20).

7. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 6, characterized in that: Vertical guide rails (16) are fixedly installed on the left and right walls of the front end of the exposed chamber (12). Side slides (30) are fixedly installed on both sides of the antimagnetic interference plate (3). The side slides (30) are located inside the vertical guide rails (16) and are slidably connected to the vertical guide rails (16).

8. The magnetically attached splicing shell structure of the modular speaker assembly according to claim 7, characterized in that: The top plate of the rear cover (2) is provided with an insertion hole (22). The insertion hole (22) is located directly above the two vertical guide rails (16) and is connected to the interior of the vertical guide rails (16). The top of the two side slides (30) is fixedly installed with a top limiting plate (31). The top limiting plate (31) is located inside the insertion hole (22) and is inserted into the insertion hole (22). Thumb grooves (23) are provided on the front and rear side walls of the insertion hole (22).