Sound box

By placing the speaker's adjustment switch within the adjustment groove of the housing and using the observation hole and button indicator light for adjustment, combined with the protection of the protective cover, the problem of easily damaged speaker knobs is solved, improving reliability and portability.

CN224083642UActive Publication Date: 2026-04-03SHENZHEN SIWEIFU TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The knobs or buttons of a speaker are usually mounted on the outer surface of the casing, making them susceptible to damage from impacts, resulting in poor reliability.

Method used

At least part of the adjustment switch is located in the adjustment groove of the housing, including a parameter adjustment knob and a dial button. Adjustment and display are performed through an observation hole and a button indicator light. A protective cover protects the housing.

Benefits of technology

It improves the reliability of the speaker, prevents the adjustment switch from being damaged by impact, facilitates adjustment and use, and expands the portable usage scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sound box, and relates to the technical field of sound boxes, the sound box comprises a shell and an adjusting switch, the outer surface of the shell is provided with an adjusting groove, and at least part of the adjusting switch is arranged in the adjusting groove. According to the loudspeaker box provided by the invention, at least part of the adjusting switch is arranged in the adjusting groove, so that the adjusting switch can be protected at least to a certain extent, the adjusting switch can be prevented from being collided and damaged, and the reliability of the loudspeaker box can be improved. In addition, the adjusting switch comprises at least one parameter adjusting knob, the parameter adjusting knob is rotatably arranged in the adjusting groove, the end face of the parameter adjusting knob is provided with an indicating component, the outer surface of the shell comprises a first surface and a second surface which are intersected, and the adjusting groove is formed in the first surface. The second surface is provided with an observation hole corresponding to the parameter adjusting knob, the loudspeaker box further comprises a light-transmitting plate, the indicating part is a light-emitting part, and the light-transmitting plate is arranged on the second surface and covers the observation hole, so that the indicating part can be observed remotely.
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Description

Technical Field

[0001] This application belongs to the field of speaker technology, and more specifically, relates to a speaker. Background Technology

[0002] Speakers typically have knobs or buttons for adjustment. In related technologies, these knobs or buttons are usually mounted on the outer surface of the speaker casing, making them susceptible to damage from impacts and resulting in poor reliability. Utility Model Content

[0003] The purpose of this application is to provide a speaker to solve the technical problem of poor reliability.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] A speaker is provided, the speaker including a housing and an adjustment switch, the outer surface of the housing having an adjustment groove, and at least a portion of the adjustment switch being disposed within the adjustment groove.

[0006] Through the above technical solution, the speaker provided in this application has at least a portion of the adjustment switch disposed in the adjustment groove, which can at least protect the adjustment switch to a certain extent, which helps to avoid damage to the adjustment switch by impact and improves the reliability of the speaker.

[0007] Therefore, the speaker provided in this application helps to improve reliability.

[0008] In some embodiments, the adjustment switch includes at least one parameter adjustment knob, which is rotatably disposed in the adjustment groove, and the end face of the parameter adjustment knob is provided with an indicator component; the outer surface of the housing includes a first surface and a second surface, the first surface intersecting the second surface, the adjustment groove being disposed on the first surface, and the second surface being provided with an observation hole corresponding to the parameter adjustment knob, the observation hole communicating with the cavity of the adjustment groove and exposing the indicator component.

[0009] In this way, the speaker provided in this application can be viewed through the viewing hole to see the indicator of the parameter adjustment knob, making adjustment convenient.

[0010] In some embodiments, the indicator component is spaced apart from the rotation axis of the parameter adjustment knob, the indicator component extends into the observation hole, and the observation hole is arranged circumferentially along the parameter adjustment knob; and / or, the second surface is provided with an indicator mark corresponding to the parameter adjustment knob, and the indicator mark extends along the edge of the observation hole; and / or, the speaker also includes a light-transmitting plate, the indicator component is a light-emitting element, the light-transmitting plate is disposed on the second surface, and the observation hole.

[0011] In this way, the indicator component extends into the observation hole, and the indicator component can rotate in sync with the parameter adjustment knob. The speaker provided in this application can reduce the opening area of ​​the observation hole, which is beneficial for protecting the parameter adjustment knob inside the adjustment groove.

[0012] In some embodiments, the adjustment switch further includes at least one dial button, which is rotatably disposed in the adjustment groove. The dial button has multiple rotation positions, and the outer surface of the housing is provided with multiple button indicator lights, with each rotation position corresponding to one of the multiple button indicator lights.

[0013] In this way, the dial button can correspond to different button indicator lights according to different rotation positions. The speaker provided in this application can achieve different adjustment functions with a single dial button, and the functions can be displayed through button indicator lights, making it convenient to use.

[0014] In some implementations, the dial button has multiple button markings on its circumference, and each button marking corresponds to a different rotation position.

[0015] In this way, the speaker provided in this application can also determine the rotation position of the dial button based on the button markings, making it convenient to use.

[0016] In some embodiments, the housing has a flat structure; wherein, the adjustment groove is provided on one surface of the housing along one of the length and width directions, and / or, the other surface of the housing along one of the length and width directions is a convex arc surface, and / or, one surface of the housing along the thickness direction is provided with a waterproof horn, and / or, the other surface of the housing along the thickness direction is provided with a passive radiating diaphragm, and / or, at least one other surface of the housing along the length and width directions is provided with a transition structure.

[0017] It is understood that the speaker casing provided in this application has a flat structure, which is convenient for holding and storing, eliminating the need for external handles or recessed grips. As a result, the speaker provided in this application has the advantage of portability and expands its application scenarios.

[0018] In some embodiments, the speaker also includes a protective sleeve connected to the outer surface of the housing and used to cover a portion of the outer surface of the housing, with the sleeve exposing an adjustment groove. In this way, the speaker provided in this application can protect the housing with the protective sleeve, which helps improve the reliability of the speaker. Furthermore, the protective sleeve provides a non-slip effect, further facilitating handling and storage.

[0019] In some embodiments, the outer surface of the housing includes a second surface and a fifth surface disposed opposite to each other along the thickness direction of the housing, the protective sleeve is fixedly connected to the fifth surface of the housing, and the protective sleeve is detachably connected to the second surface of the housing;

[0020] The protective cover has a protective state and a usage state. In the protective state, the protective cover is connected to the second surface of the housing. In the usage state, the protective cover is detached from the second surface of the housing.

[0021] In some embodiments, the protective sleeve has a positioning groove on the surface of the housing, and when the protective sleeve is in use, the positioning groove is used to abut against the housing, and a triangular prism cavity is formed between the protective sleeve and the fifth surface of the housing; and / or, the speaker also includes a Hall switch disposed in the housing, and the protective sleeve is provided with a magnetic element; when the protective sleeve is in the protected state, the magnetic element is magnetically connected to the second surface of the housing, and the projection of the magnetic element on the second surface of the housing overlaps with the projection of the Hall switch on the second surface of the housing.

[0022] In some embodiments, the protective sleeve includes a first part, a second part, a third part, and a fourth part connected in sequence; wherein the first part is fixedly connected to the fifth surface of the housing, both the first part and the second part cover the fifth surface of the housing, and the second part is rotatable relative to the first part; and / or, the outer surface of the housing includes a first surface and a fourth surface disposed opposite to each other along the width direction of the housing, an adjustment groove is disposed on the first surface of the housing, the third part is flexible and is used to cover the fourth surface of the housing; and / or, the fourth part is detachably connected to the second surface of the housing and is used to cover the second surface of the housing. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 One of the three-dimensional structural schematic diagrams of the speaker provided in the embodiments of this application;

[0025] Figure 2 A second three-dimensional structural schematic diagram of the speaker provided in an embodiment of this application;

[0026] Figure 3 The third three-dimensional structural schematic diagram of the speaker provided in the embodiments of this application;

[0027] Figure 4 Fourth of four perspective structural diagrams of the speaker provided in the embodiments of this application;

[0028] Figure 5 Fifth of the three-dimensional structural schematic diagrams of the speaker provided in the embodiments of this application;

[0029] Figure 6 This is a three-dimensional structural diagram of the protective sleeve provided in an embodiment of this application.

[0030] The following are the labeling elements in the figure:

[0031] 10-Housing; 101-First surface; 1011-Adjustment groove; 102-Second surface; 1021-Observation hole; 1022-Light transmission hole; 103-Third surface; 104-Fourth surface; 105-Fifth surface; 106-Sixth surface; 20-Adjustment switch; 21-Parameter adjustment knob; 211-Indicator component; 22-Dial button; 30-Adapter structure; 31-Bluetooth switch; 32-Headphone jack; 33-Audio interface; 34-Charging jack; 35-Guitar interface; 40-Light transmission plate; 41-Indicator mark; 42-Button pattern; 50-Waterproof speaker; 51-Sealing ring; 60-Passive radiant diaphragm; 70-Positioning protrusion; 80-Protective cover; 81-First part; 82-Second part; 83-Third part; 84-Fourth part; 85-Magnetic component; 86-Positioning groove; 100-Triangular prism cavity. Detailed Implementation

[0032] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0033] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0036] Speakers typically have knobs or buttons for adjustment. In related technologies, these knobs or buttons are usually mounted on the outer surface of the speaker casing, making them susceptible to damage from impacts and resulting in poor reliability.

[0037] Please refer to the following: Figure 1 and Figure 2 To solve the above-mentioned technical problems, this application provides a speaker, which includes a housing 10 and an adjustment switch 20. The outer surface of the housing 10 is provided with an adjustment groove 1011, and at least a portion of the adjustment switch 20 is disposed in the adjustment groove 1011.

[0038] In this way, the speaker provided in this application embodiment has at least a portion of the adjustment switch 20 disposed in the adjustment groove 1011, which can at least protect the adjustment switch 20 to a certain extent, which helps to avoid the adjustment switch 20 being damaged by collision and improves the reliability of the speaker.

[0039] Optionally, the housing 10 can be a flat structure. It is understood that the speaker housing 10 provided in this embodiment has a flat structure, which facilitates holding and storage, eliminating the need for external handles or recessed grips. Thus, the speaker provided in this application has the advantage of portability and expands its application scenarios.

[0040] Please refer to the following: Figure 1 , Figure 2 and Figure 3 Optionally, the outer surface of the housing 10 may include a direction along the width of the housing 10 (e.g., Figure 1 The first surface 101 and the fourth surface 104 are set relative to each other in the Z direction.

[0041] Optionally, the outer surface of the housing 10 may include the area along the thickness direction of the housing 10 (e.g., Figure 1 The second surface 102 and the fifth surface 105 are set relative to each other in the X direction.

[0042] Optionally, the outer surface of the housing 10 may include a length direction along the housing 10 (e.g., Figure 1 The third surface 103 and the sixth surface 106 are set relative to each other in the Y direction.

[0043] The first surface 101 intersects with the second surface 102, and the third surface 103 intersects with the first surface 101 and the second surface 102 respectively.

[0044] Optionally, the adjustment groove 1011 can be provided on the first surface 101. Of course, the adjustment groove 1011 can also be provided on the second surface 102 or the third surface 103.

[0045] To improve the aesthetics of the housing 10, the fourth surface 104 can be a convex arc surface.

[0046] Optionally, the adjustment switch 20 is higher than the first surface 101.

[0047] Please continue reading. Figure 1 In some embodiments, the adjustment switch 20 includes at least one parameter adjustment knob 21, which is rotatably disposed within the adjustment groove 1011. The end face of the parameter adjustment knob 21 is provided with an indicator component 211. The second surface 102 is provided with an observation hole 1021 corresponding to the parameter adjustment knob 21. The observation hole 1021 communicates with the cavity of the adjustment groove 1011 and exposes the indicator component 211.

[0048] In this way, the speaker provided in this application embodiment can be viewed through the observation hole 1021 to see the indicator component 211 of the parameter adjustment knob 21, which facilitates adjustment.

[0049] Optionally, the indicator component 211 is spaced apart from the rotation axis of the parameter adjustment knob 21, and the indicator component 211 extends into the observation hole 1021, which is circumferentially arranged along the parameter adjustment knob 21. In this way, the indicator component 211 extends into the observation hole 1021 and can rotate with the parameter adjustment knob 21. The speaker provided in this application can reduce the opening area of ​​the observation hole 1021, which is beneficial for protecting the parameter adjustment knob 21 within the adjustment groove 1011.

[0050] Optionally, the second surface 102 may be provided with an indicator mark 41 corresponding to the parameter adjustment knob 21. The indicator mark 41 extends along the edge of the observation hole 1021 to facilitate viewing the adjustment position of the parameter adjustment knob 21.

[0051] Please see Figure 2 The speaker provided in this embodiment may further include a light-transmitting plate 40, and the indicator component 211 may be a light-emitting element. The light-transmitting plate 40 is disposed on the second surface 102 and may cover the observation hole 1021. Optionally, the light emitted by the indicator component 211 may be displayed on the light-transmitting plate 40, thus facilitating the observation of the indicator component 211. For example, the indicator component 211 may be observed from a distance.

[0052] Optionally, the indicator mark 41 may be set on the light-transmitting plate 40.

[0053] Please continue reading. Figure 1 and Figure 2 In some embodiments, the adjustment switch 20 further includes at least one dial button 22, which is rotatably disposed in the adjustment groove 1011. The dial button 22 has multiple rotation positions, and the outer surface of the housing 10 is provided with multiple button indicator lights (not shown in the figure). The multiple rotation positions correspond one-to-one with the multiple button indicator lights.

[0054] In this way, the dial button 22 can correspond to different button indicator lights according to different rotation positions. The speaker provided in this application can achieve different adjustment functions with one dial button 22, and the functions can be displayed through the button indicator lights, which is convenient to use.

[0055] Optionally, the outer surface of the housing 10 may be provided with multiple light-transmitting holes 1022, and each of the multiple light-transmitting holes 1022 corresponds to a multiple button indicator light. The button indicator lights may be located inside the light-transmitting holes 1022.

[0056] Optionally, the light-transmitting plate 40 can cover the light-transmitting hole 1022, and multiple button patterns 42 can be set on the light-transmitting plate 40, with each button pattern 42 corresponding to a different rotation position. The button indicator lights can illuminate according to the rotation position of the dial button 22; that is, when the dial button 22 is in different rotation positions, the corresponding button indicator light illuminates. In this way, the speaker provided in this embodiment can also determine the rotation position of the dial button 22 based on the button patterns, making it convenient to use.

[0057] Please continue reading. Figure 1 and Figure 2 In some embodiments, the circumferential surface of the dial button 22 is provided with multiple button marks, and the multiple button marks correspond one-to-one with multiple rotation positions.

[0058] Optionally, the button pattern 42 corresponds to the button mark. Optionally, the button pattern 42 and the button mark have the same shape.

[0059] In this way, the speaker provided in this application embodiment can determine the rotation position of the dial button 22 based on the button markings, which is convenient to use.

[0060] Please continue reading. Figure 1 and Figure 2 The adjustment groove 1011 is provided on one of the surfaces of the housing 10 along the length direction and the width direction. That is, the adjustment groove 1011 is provided on one surface of the housing 10 along the length direction (e.g., the third surface 103), or the adjustment groove 1011 is provided on one surface of the housing 10 along the width direction (e.g., the first surface 101).

[0061] Optionally, another surface of the housing 10 along one of the length and width directions is a convex arc surface. That is, when the adjustment groove 1011 is provided on the third surface 103, the sixth surface 106 is a convex arc surface; when the adjustment groove 1011 is provided on the first surface 101, the fourth surface 104 is a convex arc surface.

[0062] Optionally, a waterproof horn 50 is provided on one surface of the housing 10 along its thickness direction. For example, the waterproof horn 50 is provided on the second surface 102 of the housing 10. Of course, the waterproof horn 50 can also be provided on the fifth surface 105.

[0063] Please see Figure 3 A passive radiating diaphragm 60 is provided on another surface of the housing 10 along its thickness direction. For example, if a waterproof horn 50 is provided on the second surface 102 of the housing 10, a passive radiating diaphragm 60 is provided on the fifth surface 105 of the housing 10. It is understood that if the waterproof horn 50 is provided on the fifth surface 105, a passive radiating diaphragm 60 is provided on the second surface 102 of the housing 10.

[0064] Optionally, a sealing ring 51 may be provided on the outer periphery of the waterproof speaker 50. The sealing ring 51 serves both a decorative purpose and a sealing function, thereby providing waterproofing and dustproofing. Optionally, the diaphragm of the waterproof speaker 50 may be made of a waterproof material.

[0065] Optionally, the passive radiating diaphragm 60 may include a central metal sheet and silicone surrounding and connected to the metal sheet, with the silicone connected to the housing 10. The specific structure and principle of the passive radiating diaphragm 60 are not limited here.

[0066] Please continue reading. Figure 1 and Figure 2 Optionally, at least one surface of the housing 10 along the length and width directions is provided with a transition structure 30. For example, if the adjustment groove 1011 is provided on one surface of the housing 10 along the length direction, at least one surface of the housing 10 along the width direction is provided with a transition structure 30. For example, a third surface 103 is provided with a transition structure 30.

[0067] Optionally, the adapter structure 30 includes a Bluetooth switch 31, a headphone jack 32, an audio interface 33, a charging jack 34, and a guitar interface 35.

[0068] The Bluetooth switch 31 can be used to turn the Bluetooth module on or off, and the headphone jack 32 is used to plug in headphones. The audio interface 33 is used to connect external audio devices, such as mobile phones, tablets, or players. Optionally, the guitar interface 35 is used to connect a guitar. Alternatively, the guitar interface 35 can be used to plug in a wireless receiver, which can then wirelessly connect to the guitar.

[0069] Please refer to the following: Figure 4 , Figure 5 and Figure 6 In some embodiments, the speaker further includes a protective cover 80, which is connected to the outer surface of the housing 10 and covers a portion of the outer surface of the housing 10. The protective cover 80 exposes the adjustment groove 1011. In this way, the speaker provided in this embodiment can protect the housing 10 with the protective cover 80, which helps improve the reliability of the speaker. Furthermore, the protective cover 80 provides an anti-slip effect, further facilitating handling and storage. For example, the surface of the protective cover 80 can be provided with anti-slip textures. In addition, the exposed adjustment groove 1011 of the protective cover 80 facilitates the operation of the adjustment switch 20.

[0070] In some embodiments, the protective sleeve 80 is fixedly connected to the fifth surface 105 of the housing 10, and the protective sleeve 80 is detachably connected to the second surface 102 of the housing 10. Optionally, the protective sleeve 80 may be bonded to the fifth surface 105 of the housing 10. Optionally, the protective sleeve 80 may be fixedly connected to the fifth surface 105 of the housing 10 via a connector. The connector may be a screw, rivet, etc.

[0071] Please see Figure 4 The protective cover 80 includes a protective state, and when the protective cover 80 is in the protective state, the protective cover 80 is connected to the second surface 102 of the housing 10, and can protect the second surface 102 and the waterproof horn 50 of the second surface 102.

[0072] Please see Figure 5 The protective cover 80 also includes a usage state. When the protective cover 80 is in the usage state, it is detached from the second surface 102 of the housing 10, which allows the waterproof speaker 50 to work normally.

[0073] Understandably, the protective case 80 can switch between protection mode and usage mode.

[0074] In some embodiments, the protective sleeve 80 is provided with a positioning groove 86 on the surface of the housing 10. When the protective sleeve 80 is in use, the positioning groove 86 is used to abut against the housing 10, and a triangular prism cavity 100 is formed between the protective sleeve 80 and the fifth surface 105 of the housing 10.

[0075] Optionally, the protective sleeve 80 has a positioning groove 86 on the surface of the second surface 102 of the housing 10 for covering the housing 10.

[0076] Optionally, the housing 10 is provided with a positioning protrusion 70 for engaging with the positioning groove 86. Optionally, the positioning protrusion 70 is provided on the fourth surface 104 of the housing 10.

[0077] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments, the speaker also includes a Hall switch (not shown) disposed in the housing 10. The protective cover 80 is provided with a magnetic element 85. When the protective cover 80 is in the protected state, the magnetic element 85 is magnetically connected to the second surface 102 of the housing 10. The projection of the magnetic element 85 on the second surface 102 of the housing 10 overlaps with the projection of the Hall switch on the second surface 102 of the housing 10.

[0078] Understandably, when the magnetic component 85 is magnetically connected to the second surface 102 of the housing 10, the Hall switch can close the circuit under the action of the magnetic field, causing the speaker to stop working. When the magnetic component 85 is detached from the second surface 102 of the housing 10, the Hall switch can open the circuit, causing the speaker to be in working condition.

[0079] Optionally, the protective cover 80 may include a plurality of magnetic elements 85, one of which corresponds to a Hall switch.

[0080] Optionally, the magnetic element 85 may be filled inside the protective sleeve 80.

[0081] Optionally, the magnetic component 85 can be a permanent magnet.

[0082] Optionally, a magnetic element 85 may be provided inside the housing 10. In this way, the magnetic element 85 on the protective sleeve 80 can be attracted to the magnetic element 85 inside the housing 10, thereby causing the protective sleeve 80 to adhere to the second surface 102.

[0083] Alternatively, the housing 10 can be made of iron. In this way, the magnetic element 85 on the protective sleeve 80 can be attracted to the housing 10, thereby allowing the protective sleeve 80 to adhere to the second surface 102.

[0084] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments, the protective sleeve 80 includes a first part 81, a second part 82, a third part 83, and a fourth part 84 connected in sequence. The first part 81 is fixedly connected to the fifth surface 105 of the housing 10, and both the first part 81 and the second part 82 cover the fifth surface 105 of the housing 10. The second part 82 is rotatable relative to the first part 81.

[0085] Optionally, a connecting groove is provided at the connection between the first part 81 and the second part 82, and the first part 81 and the second part 82 can be bent relative to each other at the connecting groove.

[0086] Optionally, the adjustment groove 1011 is provided on the first surface 101 of the housing 10, and the third part 83 is flexible and is used to cover the fourth surface 104 of the housing 10.

[0087] Optionally, the fourth portion 84 is detachably connected to the second surface 102 of the housing 10 and is used to cover the second surface 102 of the housing 10. A magnetic element 85 and a positioning groove 86 are disposed on the fourth portion 84 of the protective sleeve 80.

[0088] In this way, the protective case 80 can switch between protection mode and use mode.

[0089] The above description is merely a specific embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A sound box, characterized in that, The shell is provided with an adjusting groove on an outer surface thereof; The adjusting switch is at least partially arranged in the adjusting groove; The sound box further comprises a protective sleeve connected with the outer surface of the shell and used for covering part of the outer surface of the shell, and the protective sleeve exposes the adjusting groove. The adjusting switch comprises at least one parameter adjusting knob rotatably arranged in the adjusting groove, and an end surface of the parameter adjusting knob is provided with an indicating part; 2. The sound box of claim 1, wherein, The outer surface of the shell comprises a first surface and a second surface intersecting with the first surface, the adjusting groove is arranged on the first surface, the second surface is provided with an observation hole corresponding to the parameter adjusting knob, the observation hole is in communication with a groove cavity of the adjusting groove and exposes the indicating part. The indicating part is arranged at a distance from a rotation axis of the parameter adjusting knob, the indicating part extends into the observation hole, and the observation hole is arranged circumferentially around the parameter adjusting knob; 3. The sound box of claim 2, wherein, The second surface is provided with an indicating mark corresponding to the parameter adjusting knob, and the indicating mark extends along an edge of the observation hole; The sound box further comprises a light-transmitting plate, the indicating part is a light-emitting part, and the light-transmitting plate is arranged on the second surface and covers the observation hole. The adjusting switch further comprises at least one dial key rotatably arranged in the adjusting groove, the dial key comprises a plurality of rotation positions, and the outer surface of the shell is provided with a plurality of key indicating lamps, the plurality of rotation positions correspond to the plurality of key indicating lamps one by one.

4. The sound box of claim 1, wherein, A circumferential surface of the dial key is provided with a plurality of key marks corresponding to the plurality of rotation positions one by one.

5. The sound box of claim 4, wherein, The shell has a flat structure; 6. The sound box of claim 1, wherein, The adjusting groove is arranged on one surface of the shell along one of a length direction and a width direction, and / or the other surface of the shell along one of the length direction and the width direction is a convex arc surface, and / or one surface of the shell along a thickness direction is provided with a waterproof horn, and / or the other surface of the shell along the thickness direction is provided with a passive radiation diaphragm, and / or at least one of the other surfaces of the shell along the length direction and the width direction is provided with an adapter structure. The outer surface of the shell comprises a second surface and a fifth surface arranged oppositely along a thickness direction of the shell, the protective sleeve is fixedly connected with the fifth surface of the shell, and the protective sleeve is detachably connected with the second surface of the shell; 7. The sound box of any one of claims 1 to 6, wherein, The protective sleeve comprises a protection state and a use state, in the protection state, the protective sleeve is connected with the second surface of the shell, and in the use state, the protective sleeve is separated from the second surface of the shell. The protective sleeve used for covering the surface of the shell is provided with a positioning groove, in the use state, the positioning groove is used for abutting against the shell, and a three-prism-shaped cavity is formed between the protective sleeve and the fifth surface of the shell.

8. The sound box of claim 7, wherein, ​ And / or, the sound box further comprises a Hall switch arranged in the shell, the protective sleeve is provided with a magnetic element; in the protection state, the magnetic element is magnetically connected with the second surface of the shell, and a projection of the magnetic element on the second surface of the shell overlaps with a projection of the Hall switch on the second surface of the shell.

9. The sound box of claim 7, wherein, The protective sleeve comprises a first part, a second part, a third part and a fourth part connected in sequence; The first part is fixedly connected with the fifth surface of the shell, the first part and the second part cover the fifth surface of the shell, and the second part is rotatable relative to the first part; And / or, the outer surface of the shell comprises a first surface and a fourth surface oppositely arranged along the width direction of the shell, the adjusting groove is arranged on the first surface of the shell, the third part is flexible and is used for covering the fourth surface of the shell; And / or, the fourth part is detachably connected with the second surface of the shell and is used for covering the second surface of the shell.