Sound box with loudspeaker protection structure
By designing a speaker protection structure within the speaker enclosure, including a protective cover and a limiting groove, the problem of vulnerability of internal components to damage is solved, achieving stable installation and speaker protection with excellent sound quality.
Patent Information
- Application Number
- CN202520093722.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The lack of protection and securing measures for the internal components of existing speakers makes them susceptible to external damage, resulting in performance degradation and sound quality issues.
A speaker protection structure was designed, including a protective cover and a protective shield, combined with limiting grooves and limiting strips to ensure the speaker is securely installed. The ventilation design prevents dust from entering, and the curved limiting strips and cushioning materials reduce friction and noise.
It effectively protects the speaker from damage, ensures sound quality and durability, reduces dust intrusion, reduces noise generation, and improves low-frequency response efficiency.
Smart Images

Figure CN223758365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sound box technical field especially a sound box with loudspeaker protection structure. BACKGROUND
[0002] In the prior art, the internal components of the sound box (such as subwoofer, tweeter and audio distributor, etc.) are often directly exposed to the inside of the box, lacking sufficient protection measures. This design not only makes the internal components of the sound box vulnerable to external environmental factors such as dust and moisture, leading to performance degradation or damage, but also may cause the components to loosen or displace during use due to the lack of stable fixing devices, thereby affecting the sound quality and durability of the sound box.
[0003] Especially in some high dynamic range audio playback scenarios, the vibration of the internal components of the sound box and the interaction between them will significantly increase, and if there is a lack of effective protection and fixing measures, it is easy to cause friction, collision and even damage between the components. In addition, for components such as subwoofers that generate a large amount of low-frequency vibration, if the back wave is not effectively guided and processed, it may also lead to a decrease in low-frequency response efficiency, affecting the overall sound quality performance of the sound box.
[0004] The sound box has insufficient protection and unstable fixation of internal components, which leads to performance degradation and affects the overall sound quality of the sound box. In view of this, a sound box with loudspeaker protection structure is provided. SUMMARY
[0005] The main purpose of the utility model is to provide a sound box with loudspeaker protection structure to solve the problem of insufficient protection and unstable fixation of internal components in the sound box, which leads to performance degradation and affects the overall sound quality of the sound box.
[0006] In order to achieve the above purpose, according to one aspect of the utility model, a sound box with loudspeaker protection structure is provided, which includes a box body and a front cover installed on one side of the box body. A first limiting slot and a second limiting slot are provided through the front cover. A subwoofer is installed in the first limiting slot, and a tweeter is installed in the second limiting slot. Protective covers are provided on the outer sides of the subwoofer and the tweeter. Protective covers are provided on the outer sides of the first limiting slot and the second limiting slot to protect the loudspeakers. An audio distributor is installed in the box body, which includes at least a frequency divider.
[0007] Further, the first limiting groove is internally fixedly provided with a handle, the protective cover comprises a first protective cover provided outside the first limiting groove, and the handle is located inside the first protective cover, the protective cover further comprises a second protective cover provided outside the second limiting groove.
[0008] Further, a ring groove is formed at the concentric position of the front cover and the first limiting groove, the protective cover comprises a first protective cover fixedly installed outside the bass speaker, one end of the bass speaker is installed in the first limiting groove, and one end of the first protective cover is installed in the ring groove.
[0009] Further, the protective cover further comprises a second protective cover fixedly installed outside the treble speaker, one end of the treble speaker is installed in the second limiting groove, and the treble speaker is located above and right of the bass speaker.
[0010] Further, a third limiting groove is formed through the front cover, one end of the audio distributor is installed in the third limiting groove, two limiting strips are fixedly provided outside the third limiting groove, and the limiting strips are arc-shaped.
[0011] Further, a fixing seat is fixedly provided inside the front cover, the fixing seat is located above the third limiting groove, the fixing seat comprises a first plug fixedly installed on the side wall of the front cover, and a second plug is fixedly provided at the four corners of the edge of the first plug.
[0012] Further, the audio distributor further comprises a third protective cover, a connecting cover is insertedly arranged in the third protective cover, the frequency divider is insertedly installed at the lower end of the connecting cover, and a mounting seat is fixedly provided at the upper end of the connecting cover.
[0013] Further, grooves are symmetrically formed in the inner walls of the connecting cover, limiting blocks are fixedly provided at the left and right sides of the frequency divider, and the limiting blocks are slidingly installed in the grooves.
[0014] Further, a first socket is fixedly provided at the center of the mounting seat, a second socket is fixedly provided at the four corners of the edge of the first socket, the first plug is insertedly arranged in the first socket, the second plug is insertedly arranged in the second socket, and two mutually perpendicular reinforcing ribs are fixedly provided on the outer wall of the second socket.
[0015] Further, two fourth installation grooves are symmetrically formed through the side wall of the box body, passive radiators are installed in the fourth installation grooves, and the passive radiators are fixedly connected with connecting pipes at one end, and the connecting pipes gradually increase in diameter from one end to the other end.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. In the sound box with the loudspeaker protection structure, the low-frequency loudspeaker and the high-frequency loudspeaker are provided with protective covers outside, and the limiting grooves are provided with protective covers outside, which effectively prevents external objects from directly contacting the loudspeaker diaphragm, thereby protecting the loudspeaker from damage, and the protective cover not only provides physical protection, but also ensures the normal vibration of the loudspeaker and the transmission of sound through its air permeability, while preventing dust from entering.
[0018] 2. In the sound box with the loudspeaker protection structure, the audio distributor is installed through the third limiting groove and is additionally fixed by the limiting strip, which not only provides a stable installation basis, but also reduces friction and vibration through the arc-shaped design and the buffer material rubber, thereby reducing the generation of noise. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole structure schematic view of the sound box with the loudspeaker protection structure in the preferred embodiment of the utility model;
[0020] Figure 2 It is a whole structure schematic view of the box body in the preferred embodiment of the utility model;
[0021] Figure 3 It is a whole structure schematic view of the front cover in the preferred embodiment of the utility model;
[0022] Figure 4 It is a whole structure schematic view of the front cover in the preferred embodiment of the utility model; Figure 3 It is an enlarged schematic view of the structure at A in the preferred embodiment of the utility model;
[0023] Figure 5 It is a whole structure schematic view of the front cover in the preferred embodiment of the utility model;
[0024] Figure 6 It is a whole structure schematic view of the low-frequency loudspeaker in the preferred embodiment of the utility model;
[0025] Figure 7 It is a whole structure schematic view of the high-frequency loudspeaker in the preferred embodiment of the utility model;
[0026] Figure 8 It is a whole structure schematic view of the audio distributor in the preferred embodiment of the utility model;
[0027] Figure 9 It is a whole structure schematic view of the mounting seat in the preferred embodiment of the utility model;
[0028] Figure 10 It is a whole structure schematic view of the passive radiator in the preferred embodiment of the utility model.
[0029] ILLUSTRATIVE DESCRIPTION:
[0030] 1, box; 11, first installation groove; 12, second installation groove; 13, third installation groove; 14, fourth installation groove;
[0031] 2, front cover; 21, first limiting groove; 211, first protective cover; 212, handle; 22, second limiting groove; 221, second protective cover; 23, third limiting groove; 24, limiting strip; 25, ring groove; 26, fixing seat; 261, first plug; 262, second plug;
[0032] 3, bass speaker; 31, first protective cover; 4, tweeter; 41, second protective cover;
[0033] 5, audio distributor; 51, third protective cover; 52, connecting cover; 521, groove; 53, mounting seat; 531, first socket; 532, second socket; 533, reinforcing rib; 54, frequency divider; 541, limiting block;
[0034] 6, passive radiator; 61, connecting pipe. DETAILED DESCRIPTION
[0035] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0036] Please refer to Figures 1-10 The embodiment aims to provide a sound box with loudspeaker protection structure, which comprises a box 1 and a front cover 2 installed on one side of the box 1, a first limiting groove 21 and a second limiting groove 22 are formed through the front cover 2, a bass speaker 3 is installed in the first limiting groove 21, a tweeter 4 is installed in the second limiting groove 22, protective covers are arranged on the outer sides of the bass speaker 3 and the tweeter 4, protective covers for protecting the loudspeakers are fixedly arranged on the outer sides of the first limiting groove 21 and the second limiting groove 22, an audio distributor 5 is further installed in the box 1, and the audio distributor 5 at least comprises a frequency divider 54.
[0037] A handle 212 is fixedly arranged in the first limiting groove 21, and the handle 212 is located at the lower end of the first limiting groove 21, so that a user can easily contact it from the outside without affecting the installation and work of the bass speaker 3, the protective cover comprises a first protective cover 211 arranged on the outer side of the first limiting groove 21, and the handle 212 is located on the inner side of the first protective cover 211, and the protective cover further comprises a second protective cover 221 arranged on the outer side of the second limiting groove 22.
[0038] A ring groove 25 is arranged at the concentric position of the front cover 2 and the first limiting groove 21, the protective cover comprises a first protective cover 31 fixedly installed on the outer side of the bass speaker 3, one end of the bass speaker 3 is installed in the first limiting groove 21, and one end of the first protective cover 31 is installed in the ring groove 25.
[0039] The protective cover further comprises a second protective cover 41 fixedly installed on the outer side of the treble speaker 4, one end of the treble speaker 4 is installed in the second limiting groove 22, and the treble speaker 4 is located above and right of the bass speaker 3.
[0040] The protective cover plays a role in protecting the speaker and preventing external objects from directly contacting the speaker diaphragm, in order to ensure the normal operation of the bass speaker 3 and the treble speaker 4, the protective cover has certain air permeability, allowing air to flow freely, avoiding affecting the vibration of the speaker, therefore, the protective cover is provided with fine air permeable holes or a mesh structure, which can prevent dust from entering and does not affect the transmission of sound.
[0041] A third limiting groove 23 is arranged through the front cover 2, one end of the audio distributor 5 is installed in the third limiting groove 23, two limiting strips 24 are fixedly arranged outside the third limiting groove 23, the limiting strips 24 are arc-shaped, the limiting strips 24 not only play a decorative role, but also can be used as an additional limiting device to prevent the audio distributor 5 from sliding forward and backward during use. The arc-shaped design of the limiting strips 24 can closely fit the two sides of the audio distributor 5, providing better fixing effect, and a layer of rubber buffer material is arranged inside the limiting strips 24 to reduce friction and vibration between the audio distributor 5 and the limiting strips 24, reducing the possibility of noise generation.
[0042] A fixing seat 26 is fixedly arranged inside the front cover 2, the fixing seat 26 is located above the third limiting groove 23, the fixing seat 26 comprises a first plug 261 fixedly installed on the side wall of the front cover 2, and a second plug 262 is fixedly arranged at the four corner edges of the first plug 261.
[0043] The audio distributor 5 further comprises a third protective cover 51, a connecting cover 52 is insertedly arranged in the third protective cover 51, a frequency divider 54 is insertedly installed at the lower end of the connecting cover 52, and a mounting seat 53 is fixedly arranged at the upper end of the connecting cover 52.
[0044] The inner wall of the connecting cover 52 is symmetrically provided with a groove 521 on the left and right sides, limiting blocks 541 are fixedly arranged on the left and right sides of the frequency divider 54, the limiting blocks 541 are slidingly installed in the groove 521, and the position of the limiting blocks 541 in the groove 521 is fixed by screws, which not only provides stable fixing effect, but also allows the frequency divider 54 to be easily slid in and out during installation.
[0045] A first socket 531 is fixedly arranged at the center of the mounting seat 53, and a second socket 532 is fixedly arranged at the four corners of the first socket 531, the first plug 261 is inserted into the first socket 531, the second plug 262 is inserted into the second socket 532 and is fixed by a screw, and two mutually perpendicular reinforcing ribs 533 are fixedly arranged on the outer wall of the second socket 532. The arrangement of the reinforcing ribs 533 not only enhances the mechanical strength of the socket, but also improves the stability of the entire mounting seat 53, enhances the mechanical strength of the socket, prevents the socket from deforming or being damaged under external force, and ensures that the plug can always maintain good contact with the socket.
[0046] A first mounting groove 11 and a second mounting groove 12 are formed through the side wall of the box 1, the low-frequency speaker 3 is mounted in the first mounting groove 11, and the first protective cover 31 is located outside the first mounting groove 11 during mounting, the high-frequency speaker 4 is mounted in the second mounting groove 12, and a third mounting groove 13 is also formed through the side wall of the box 1, and the third protective cover 51 is mounted in the third mounting groove 13.
[0047] Two fourth mounting grooves 14 are symmetrically formed through the side wall of the box 1, and the fourth mounting grooves 14 are located on both sides of the bottom of the box 1. The passive radiator 6 is mounted in the fourth mounting groove 14. The passive radiator 6 is a kind of speaker without a driving unit, which produces additional low-frequency output through the back wave vibration of the low-frequency speaker 3. The working principle of the passive radiator 6 is similar to that of the low-frequency speaker 3, but it has no coil and magnet and can only passively follow the movement of the low-frequency speaker 3. The design of the passive radiator 6 can provide a more compact speaker structure while maintaining good low-frequency performance.
[0048] One end of the passive radiator 6 is fixedly connected with a connecting pipe 61, and the connecting pipe 61 is located inside the box 1. The connecting pipe 61 guides the back wave of the low-frequency speaker 3 into the box 1, helping the passive radiator 6 to better follow the movement of the low-frequency speaker 3. The connecting pipe 61 gradually increases in diameter from one end to the other end, forming a horn-shaped structure. This gradual design can effectively reduce the turbulence and resistance of airflow in the pipe, ensuring smooth airflow to the passive radiator 6, thereby improving the efficiency of low-frequency response. The bottom of the connecting pipe 61 is designed in a straight line.
[0049] The utility model discloses in specific use, install bass speaker 3 in the first limiting groove 21 of front cover 2, and one end of first protective cover 31 is installed in ring groove 25, the other end is closely combined with the first installation groove 11 outer wall of box 1, install tweeter 4 in the second limiting groove 22 of front cover 2, and fix second protective cover 41, install first protective cover 211 in the first limiting groove 21 outside, install second protective cover 221 in the second limiting groove 22 outside, the connecting cover 52 of audio distributor 5 is inserted into third protective cover 51, and the mounting seat 53 is fixed on the upper end of connecting cover 52, and it is ensured that first socket 531 and second socket 532 are respectively with first plug 261 and second plug 262 on fixed seat 26 correct plug-in, and use screw fixed, install frequency divider 54 in the lower end of connecting cover 52, then one end of audio distributor 5 is installed in third limiting groove 23, and the other end is installed in third installation groove 13, then install passive radiator 6 in the fourth installation groove 14 of box 1 bottom, finally, front cover 2 is fixedly connected with box 1.
[0050] The above, only the preferred embodiment of the utility model has been, and not to the utility model make any form limit, although the utility model has disclosed as above with preferred embodiment, however not to limit the utility model, any person skilled in the art, when can utilize the technical content disclosed above make a little more change or modification is equivalent variation equivalent embodiment, but as long as not departing from the utility model technical scheme range, according to the technical essence of the utility model to the above embodiment of any brief introduction modification, equivalent variation and modification, still belong to the utility model technical scheme range.
Claims
1. A sound box with loudspeaker protection structure, comprising a box body (1) and a front cover (2) mounted on one side of the box body (1), characterized in that, First limiting slot (21) and second limiting slot (22) are arranged through the front cover (2), the bass speaker (3) is installed in the first limiting slot (21), and the treble speaker (4) is installed in the second limiting slot (22), the protective cover for protecting the speaker is fixedly arranged outside the first limiting slot (21) and the second limiting slot (22), and the audio distributor (5) is further installed in the box (1).
2. The sound box with loudspeaker protection structure according to claim 1, characterized in that, The first limiting slot (21) is fixedly provided with a handle (212), the protective cover includes a first protective cover (211) arranged outside the first limiting slot (21), and the handle (212) is located inside the first protective cover (211), and the protective cover further includes a second protective cover (221) arranged outside the second limiting slot (22).
3. The sound box with loudspeaker protection structure according to claim 1, characterized in that, The ring groove (25) is arranged at the concentric position of the first limiting slot (21) on the inner side of the front cover (2), the protective cover includes the first protective cover (31) fixedly installed outside the bass speaker (3), one end of the bass speaker (3) is installed in the first limiting slot (21), and one end of the first protective cover (31) is installed in the ring groove (25).
4. The sound box with loudspeaker protection structure according to claim 1, characterized in that, The protective cover further includes the second protective cover (41) fixedly installed outside the treble speaker (4), one end of the treble speaker (4) is installed in the second limiting slot (22), and the treble speaker (4) is located above the right of the bass speaker (3).
5. The sound box with loudspeaker protection structure according to claim 1, characterized in that, The third limiting slot (23) is arranged through the front cover (2), one end of the audio distributor (5) is installed in the third limiting slot (23), and the two limiting strips (24) are fixedly arranged outside the third limiting slot (23), and the limiting strips (24) are arc-shaped.
6. The sound box with loudspeaker protection structure according to claim 5, characterized in that, The fixed seat (26) is fixedly arranged on the inner side of the front cover (2), the fixed seat (26) is located above the third limiting slot (23), the fixed seat (26) includes the first plug (261) fixedly installed on the side wall of the front cover (2), and the second plug (262) is fixedly arranged at the four corner edges of the first plug (261).
7. The sound box with loudspeaker protection structure according to claim 6, characterized in that, The audio distributor (5) further includes the third protective cover (51), the connecting cover (52) is insertedly arranged in the third protective cover (51), the frequency divider (54) is insertedly installed at the lower end of the connecting cover (52), and the mounting seat (53) is fixedly arranged at the upper end of the connecting cover (52).
8. The sound box with loudspeaker protection structure according to claim 7, characterized in that, The recess (521) is symmetrically arranged on the inner wall of the connecting cover (52), the limiting block (541) is fixedly arranged on the left and right sides of the frequency divider (54), and the limiting block (541) is slidingly installed in the recess (521).
9. The sound box with speaker protection structure according to claim 7, characterized in that, A first socket (531) is fixedly arranged at the center of the mounting base (53), four second sockets (532) are fixedly arranged at the four corners of the first socket (531), the first plug (261) is inserted into the first socket (531), the second plug (262) is inserted into the second socket (532), and two mutually perpendicular reinforcing ribs (533) are fixedly arranged on the outer wall of the second socket (532).
10. The sound box with loudspeaker protection structure according to claim 1, characterized in that, Two fourth mounting grooves (14) are symmetrically formed through the side wall of the box body (1), a passive radiator (6) is mounted in each fourth mounting groove (14), and a connecting pipe (61) is fixedly connected to one end of the passive radiator (6), and the diameter of the connecting pipe (61) gradually increases from one end to the other end.