CN218998217U

CN218998217U - Waterproof construction and audio amplifier

Info

Publication number: CN218998217U
Application number: CN202223005033.4U
Authority: CN
Inventors: 兰京城; 林连刚
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-09
Anticipated expiration: 2032-11-11

Abstract

The waterproof structure comprises a main body part and a key part, wherein an interface containing cavity and a key containing cavity are formed in the main body part, and a first opening communicated with the interface containing cavity and a second opening communicated with the key containing cavity are formed in the main body part; the key part and the main body part are of an integrated structure, and the second opening is closed by the key part. In this disclosure, waterproof construction's button portion is integrative setting and will seal with the second opening of button appearance chamber with the main part of holding button for do not have the gap between button portion and the main part, can enough guarantee the water-proof effects to inside button, can simplify the structure again, reduce the equipment step, in addition, the main part still is provided with interface appearance chamber and holds interface structure, makes waterproof construction can realize the installation of interface structure and button simultaneously, further simplifies the structure, improves assembly efficiency.

Description

Waterproof construction and audio amplifier

Technical Field

The disclosure relates to the technical field of sound boxes, in particular to a waterproof structure and a sound box.

Background

The sound box is a common device for entertainment and recreation of modern people, but the waterproof effect of the sound box is generally poor, water is easy to enter in rainy and humid environments (such as a bathroom, a swimming pool, a bathing place at the sea, and the like), particularly water vapor is easy to enter from the connection part of a key and the shell of the sound box, and short-circuit faults are easy to occur, so that the sound box cannot be used.

Disclosure of Invention

In order to overcome the problems in the related art, the present disclosure provides a waterproof structure and a sound box.

According to a first aspect of the present disclosure, there is provided a waterproof structure comprising:

the main body part is internally provided with an interface accommodating cavity and a key accommodating cavity, and is provided with a first opening communicated with the interface accommodating cavity and a second opening communicated with the key accommodating cavity;

and the key part is of an integral structure with the main body part, and the second opening is closed by the key part.

In some embodiments of the disclosure, a first seal limiting part is disposed on an inner wall of the interface cavity; or alternatively, the process may be performed,

the inner wall of the interface cavity is provided with a first sealing element.

In some embodiments of the present disclosure, a second seal retainer is disposed on an outer surface of the body portion; or alternatively, the process may be performed,

a second seal is disposed on an outer surface of the body portion.

In some embodiments of the disclosure, the main body portion is a plastic member, and the key portion is a rubber member.

According to a second aspect of the present disclosure, there is provided a sound box, the sound box including the waterproof structure described above, the sound box further including an interface structure and a key, the interface structure being located in the interface cavity, and the key being located in the key cavity.

In some embodiments of the present disclosure, the sound box further comprises a main housing provided with a top opening, a front opening, a back opening, and side openings on both sides of the main housing,

wherein, the top opening is provided with a top shell component which seals the top opening and a third sealing piece is arranged between the top shell component and the main shell;

a front shell assembly is arranged at the front opening, the front shell assembly seals the front opening, and a fourth sealing piece is arranged between the front shell assembly and the main shell;

a back shell assembly is arranged at the back opening, seals the back opening, and a fifth sealing piece is arranged between the back shell assembly and the main shell;

the side opening is provided with a side shell assembly which seals the side opening and a sixth sealing member is arranged between the side shell assembly and the main shell.

In some embodiments of the present disclosure, the back shell assembly includes a first passive basin, and the fifth seal is disposed between the first passive basin and the main housing.

In some embodiments of the present disclosure, a through groove is provided on the first passive basin, the waterproof structure is disposed in the through groove, and the second sealing member of the waterproof structure is disposed between the waterproof structure and a groove wall of the through groove.

In some embodiments of the disclosure, the top case assembly includes a key panel assembly, the key panel assembly includes a key panel and a key film layer, a hollow structure is disposed on the key panel, the key film layer covers the hollow structure, and the third sealing member is disposed between the key panel and the main case.

In some embodiments of the present disclosure, the front opening includes a first opening and a second opening, the front housing assembly includes a speaker disposed in the first opening and a second passive basin disposed in the second opening, and the fourth seal is located between the speaker and the main housing and between the second passive basin and the main housing.

The technical scheme that the embodiment of the disclosure provided can include following beneficial effect, waterproof construction's button portion is integrative setting and will seal with the second opening in button appearance chamber with the main part of holding button for do not have the gap between button portion and the main part, can enough guarantee the waterproof effect to inside button, can simplify the structure again, reduce the equipment step, in addition, the main part still is provided with interface appearance chamber and holds interface structure, makes waterproof structure can realize the installation of interface structure and button simultaneously, further simplifies the structure, improves assembly efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a perspective structural view of a waterproof structure and an interface structure shown in an exemplary embodiment of the present disclosure;

fig. 2 is a cross-sectional view of a waterproof structure and an interface structure shown in an exemplary embodiment of the present disclosure;

fig. 3 is a perspective view of a sound box shown in an exemplary embodiment of the present disclosure;

FIG. 4 is an exploded view of a sound box shown in an exemplary embodiment of the present disclosure;

fig. 5 is an exploded view of an internal structure of a sound box shown in an exemplary embodiment of the present disclosure;

FIG. 6 is an exploded view of the internal structure of a loudspeaker at another angle as shown in an exemplary embodiment of the present disclosure;

in the figure:

1. a waterproof structure; 101. a main body portion; 102. a key section; 2. an interface cavity; 3. a key cavity; 4. a first opening; 5. a second opening; 6. a first seal; 7. a first seal stopper; 8. a second seal; 9. a second seal stopper; 10. an interface structure; 11. a key; 12. a top opening; 13. a front opening; 1301. a first opening portion; 1302. a second opening portion; 14. a back opening; 15. a side opening; 16. a top housing assembly; 17. a third seal; 18. a front housing assembly; 1801. a speaker; 1802. a second passive basin; 19. a fourth seal; 1901. a first seal ring; 1902. a second seal ring; 20. a back shell assembly; 2001. a first passive basin; 21. a fifth seal; 22. a side shell assembly; 2201. a cavity cover plate; 23. a sixth seal; 24. a main housing; 25. a through groove; 26. a key panel assembly; 2601. a key panel; 2602. a key film layer; 27. a hollow structure; 28. a glue layer; 29. a housing; 2901. a top housing; 2902. a front housing; 2903. a back shell; 2904. a side housing; 30. a hook; 31. a rubber plug; 32. a mounting hole; 33. a plug hole; 34. and (5) pressing the key hole.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.

The waterproof effect of the loudspeaker box is generally poor, water is easy to enter in rainy and humid environments, and particularly water vapor is easy to enter from the connection position of the key and the loudspeaker box shell, so that short circuit faults are easy to occur, and the loudspeaker box cannot be used.

In order to solve the technical problem, the present disclosure provides a waterproof structure, its button portion is integrative setting with the main part of holding button and will seal with the second opening in button appearance chamber for do not have the gap between button portion and the main part, can enough guarantee the waterproof effect to inside button, can simplify the structure again, reduce the equipment step, in addition, the main part still is provided with interface appearance chamber and holds interface structure, makes waterproof structure can realize the installation of interface structure and button simultaneously, further simplifies the structure, improves assembly efficiency.

The embodiment of the disclosure provides a waterproof structure, as shown in fig. 1, the waterproof structure 1 includes a main body portion 101 and a key portion 102, as shown in fig. 2, an interface cavity 2 and a key cavity 3 are provided in the main body portion 101, and a first opening 4 communicating with the interface cavity 2 and a second opening 5 communicating with the key cavity 3 are provided in the main body portion 101; the key portion 102 is integrally formed with the main body portion 101, and the key portion 102 closes the second opening 5.

In this embodiment, the interface cavity 2 is used for accommodating the interface structure 10, the key cavity 3 is used for accommodating the key 11, when in use, the charging male head (not shown in the figure) is in butt joint with the interface structure 10 in the interface cavity 2 through the first opening 4, the operator presses the key part 102 to enable the key part 102 to generate elastic deformation, the key part 102 is in contact with the key 11 in the key cavity 3 through the second opening 5, the key part 102 is integrally arranged with the main body part 101 for accommodating the key 11 and is sealed with the second opening 5 of the key cavity 3, so that no gap exists between the key part 102 and the main body part 101, the waterproof effect on the internal key 11 can be ensured, the structure can be simplified, the assembly step is reduced, and in addition, the main body part 101 is also provided with the interface cavity 2 for accommodating the interface structure 10, so that the waterproof structure 1 can realize the installation of the interface structure 10 and the key 11, the structure is further simplified, and the assembly efficiency is improved.

The interface structure 10 may be, for example, but not limited to, a Micro usb interface, a Type-C interface, a 30pin interface, or a lighting interface; the key 11 disposed in the key cavity 3 may be a power switch key, but is not limited thereto.

In one embodiment, as shown in fig. 2, a first sealing member 6 is disposed on the inner wall of the interface chamber 2.

In this embodiment, the first sealing member 6 seals the structure inside the interface cavity 2, so as to achieve tightness between the interface cavity 2 and the interface structure 10, and improve the waterproof performance of the key 11.

In an embodiment, the first sealing element 6 may be integrally disposed on the inner wall of the interface cavity 2, so that the problem of sealing and waterproof failure caused by loosening of the first sealing element 6 can be avoided, and the installation procedure required by the first sealing element 6 can be saved, thereby accelerating the process.

Illustratively, the main body 101 and the first sealing member 6 may be integrally formed by bi-injection molding, so as to save assembling steps of the first sealing member 6, and the material of the first sealing member 6 may be soft materials such as nitrile rubber, neoprene, etc., so that the first sealing member 6 has enough elasticity to achieve a better sealing effect.

In other embodiments, as shown in fig. 2, a first seal limiting portion 7 is provided on the inner wall of the interface chamber 2.

In this embodiment, a first sealing structure (not shown) may be detachably installed in the first sealing member limiting portion 7, and through the first sealing structure disposed in the first sealing member limiting portion 7, good sealing performance and waterproof performance between the inner wall of the interface cavity 2 and the interface structure 10 are ensured.

In an embodiment, the first seal member limiting portion 7 may be integrally disposed on the inner wall of the interface cavity 2, the first seal member limiting portion 7 may be a groove-shaped structure disposed on the inner wall of the interface cavity 2, and the first seal structure may be clamped in the groove-shaped first seal member limiting portion 7; the first sealing member spacing portion 7 can also include two first spacing rings (not shown in the figure) that set up integratively on interface appearance chamber 2 inner wall, and first seal structure can set up between two first spacing rings, so set up, on the one hand, can carry out spacingly to first limit structure through two first spacing rings, prevent that first seal structure position from deviating from taking place, on the other hand, improves the leakproofness between first seal structure and the inner wall of interface appearance chamber 2 through first spacing ring to seal and the water-proof effects between the inner wall of interface appearance chamber 2 and interface structure 10 are further improved.

Illustratively, the material of the first sealing structure may be the same as the material of the first seal 6.

In one embodiment, as shown in fig. 1 and 2, a second seal 8 is provided on the outer surface of the body portion 101.

In this embodiment, after the main body 101 is mounted on the device, the gap between the main body 101 and the device is sealed by the second seal 8, so that the sealing performance and the waterproof performance of the main body 101 are achieved.

As shown in fig. 1 and 2, the second sealing member 8 may be annular and disposed around the outer wall of the main body 101 to achieve a good sealing effect, and the material of the second sealing member 8 may be soft material such as nitrile rubber, neoprene rubber, etc., so that the second sealing member 8 has sufficient elasticity to achieve a better sealing effect.

In an embodiment, the second sealing member 8 may be integrally disposed on the outer surface of the main body 101, so that the problem of failure of the sealing ring and the waterproof function caused by loosening of the second sealing member 8 can be avoided, and the installation procedure required by the second sealing member 8 can be saved.

Illustratively, the body portion 101 and the second seal 8 may be integrally formed by two-shot molding to reduce the assembly steps of the second seal 8.

In other embodiments, as shown in fig. 2, a second seal stopper 9 is provided on the outer surface of the main body portion 101.

In this embodiment, a second sealing structure (not shown) may be detachably installed in the second sealing member limiting portion 9, and by using the second sealing structure disposed in the second sealing member limiting portion 9, good sealing performance and waterproof performance between the main body portion 101 and the device are ensured.

In an embodiment, the second seal limiting portion 9 may be integrally disposed on the outer surface of the main body portion 101, the second seal limiting portion 9 may be a groove-shaped structure disposed on the outer surface of the main body portion 101, and the second seal structure may be clamped in the groove-shaped second seal limiting portion 9; the second sealing member spacing portion 9 may further include two second spacing rings (not shown in the figure) integrally disposed on the outer surface of the main body portion 101, and the second sealing structure may be disposed between the two second spacing rings, so that, on one hand, the second spacing structure may be spacing by the two second spacing rings, so as to prevent the second sealing structure from deviating from the position, and on the other hand, the second spacing rings may be used to improve the tightness between the second sealing structure and the outer surface of the main body portion 101, so as to further improve the sealing and waterproof effects between the main body portion 101 and the device.

Illustratively, the material of the second seal structure may be the same as the material of the second seal 8.

In one embodiment, the main body 101 is a plastic member, and the key 102 is a rubber member.

In this embodiment, the body portion 101 with harder material can better protect the interface cavity 2 and the key cavity 3 of the body portion 101, and the key portion 102 with softer material can be conveniently pressed by the user.

Illustratively, the material of the main body 101 may be polyamide 6 or polyamide 12, and the material of the key part 102 may be polyethylene, polypropylene or polymethyl methacrylate.

Illustratively, the main body 101 and the key part 102 may be integrally formed by two-shot molding, so that not only the assembly steps can be reduced, but also the waterproof effect of the key part 102 can be improved.

In an embodiment of the disclosure, as shown in fig. 3, the waterproof structure 1 further includes a rubber plug 31 for sealing the first opening 4, when the interface structure 10 is not in butt joint with the charging male connector, the rubber plug 31 can be installed in the interface cavity 2, sealing of the interface structure 10 in the first opening 4 is achieved through the rubber plug 31, and when the charging male connector needs to be in butt joint with the interface structure 10, the rubber plug 31 is detached, and the charging male connector is inserted into the interface cavity 2.

The embodiment of the disclosure also provides a sound box, as shown in fig. 2, including the waterproof structure 1, and further including an interface structure 10 and a key 11, where the interface structure 10 is located in the interface cavity 2, and the key 11 is located in the key cavity 3.

In this embodiment, the charging male head is in butt joint with the interface structure 10 in the interface cavity 2 through the first opening 4, the operator presses the key part 102 to enable the key part 102 to generate elastic deformation, the key part 102 passes through the second opening 5 and contacts with the key 11 in the key cavity 3, the key part 102 is integrally arranged with the main body part 101 for accommodating the key 11 and is sealed with the second opening 5 of the key cavity 3, no gap exists between the key part 102 and the main body part 101, so that not only can the waterproof effect on the internal key 11 of the loudspeaker box be ensured, but also the structure of the loudspeaker box can be simplified, and the assembly step of the loudspeaker box is reduced.

In one embodiment of the disclosure, as shown in fig. 5 and 6, the sound box further includes a main housing 24, where the main housing 24 is provided with a top opening 12, a front opening 13, a back opening 14, and side openings 15 located on two sides of the main housing 24, where a top housing assembly 16 is provided at the top opening 12, where the top housing assembly 16 closes the top opening 12, and where a third seal 17 is provided between the top housing assembly 16 and the main housing 24; a front shell assembly 18 is arranged at the front opening 13, the front shell assembly 18 seals the front opening 13 and a fourth sealing piece 19 is arranged between the front shell assembly and the main shell 24; a back shell assembly 20 is arranged at the back opening 14, the back shell assembly 20 seals the back opening 14 and a fifth sealing element 21 is arranged between the back shell assembly and the main shell 24; a side shell assembly 22 is provided at the side opening 15, the side shell assembly 22 sealing the side opening 15 and a sixth seal 23 is provided between the side shell assembly and a main housing 24.

In this embodiment, the bottom is not provided with a sound box accessory and the bottom is sealed, and the top, the front, the back and the two sides of the sound box main casing 24 are sealed with five sides by the third sealing element 17, the fourth sealing element 19, the fifth sealing element 21 and the sixth sealing element 23, so that the sound box is sealed in all directions.

In one embodiment, as shown in fig. 6, the back shell assembly 20 includes a first passive basin 2001, and a fifth seal 21 is disposed between the first passive basin 2001 and the main housing 24.

In this embodiment, the overall sound quality of the sound of the speaker is improved by the first passive basin 2001, the first passive basin 2001 is detachably mounted on the back opening 14, and the fifth sealing member 21 disposed between the first passive basin 2001 and the main housing 24 can effectively improve the back waterproof property and the sealing property of the main housing 24.

In an embodiment, as shown in fig. 5 and 6, the first passive basin 2001 is provided with a through groove 25, the waterproof structure 1 is disposed in the through groove 25, and the second sealing member 8 of the waterproof structure 1 is disposed between the waterproof structure 1 and a groove wall of the through groove 25.

In this embodiment, the waterproof structure 1 is disposed on the back of the sound box, that is, the interface structure 10 and the keys 11 are disposed on the back of the sound box, so that the external aesthetic property of the sound box can be better improved.

The material of the first passive basin 2001 may be plastic, so that on one hand, the first passive basin 2001 made of plastic can improve the sound quality of the sound box, and on the other hand, the combination tightness of the second sealing element 8 and the through groove 25 and the combination tightness of the fifth sealing element 21 and the first passive basin 2001 can be ensured, so that the waterproof effect is ensured; in addition, it is relatively simple to punch the through groove 25 on the surface of the first passive basin 2001 made of plastic.

In an embodiment, as shown in fig. 5, the top case assembly 16 includes a key panel assembly 26, the key panel assembly 26 includes a key panel 2601 and a key film 2602, the key panel 2601 is provided with a hollow structure 27, the key film 2602 covers the hollow structure 27, and the third sealing member 17 is disposed between the key panel 2601 and the main case 24.

In this embodiment, the key assembly in the main housing 24 passes through the hollow structure 27 of the key panel 2601 and is covered by the key film 2602, and the key assembly in the main housing 24 is protected by the key film 2602, including waterproof and dustproof, and in addition, the third sealing member 17 disposed between the key panel 2601 and the main housing 24 can effectively improve the top waterproof and sealing performance of the main housing 24.

By way of example, the key assembly may include a volume switch key, a pause key, a mute key, a pause key, a bluetooth key, etc.

In one embodiment, as shown in fig. 5, the key panel assembly 26 and the key film 2602 are adhered to each other by an adhesive layer 28, and the adhesive layer 28 is provided with a through hole structure matching with the hollow structure 27.

In this embodiment, the surface of the key film layer 2602 and the surface of the key panel assembly 26 are adhered by the adhesive layer 28, so that the falling of the key film layer 2602 can be effectively avoided, and the removable replacement of the key film layer 2602 is also realized on the premise of ensuring the tightness and the waterproofness between the key film layer 2602 and the key panel assembly 26, and when the key film layer 2602 is aged and needs to be replaced, the key film layer 2602 and the adhesive layer 28 are torn off and replaced.

In one embodiment, as shown in fig. 6, the front opening 13 includes a first opening 1301 and a second opening 1302, the front housing assembly 18 includes a speaker 1801 and a second passive basin 1802, the speaker 1801 is disposed in the first opening 1301, the second passive basin 1802 is disposed in the second opening 1302, and the fourth seal 19 is located between the speaker 1801 and the main housing 24, and between the second passive basin 1802 and the main housing 24.

In this embodiment, the overall sound quality of the sound of the speaker is improved by the second passive basin 1802, the second passive basin 1802 is detachably mounted at the front opening 13, and the fourth sealing member 19 disposed between the second passive basin 1802 and the main housing 24 can effectively improve the front waterproof property and the sealing property of the main housing 24; in addition, the second passive tub 1802 and the speaker 1801 are disposed together in the front opening 13, so that the space utilization of the speaker box can be effectively improved.

Illustratively, as shown in fig. 6, two speakers 1801 may be provided, and a second passive basin 1802 may be disposed between the two speakers 1801 for the purpose of improving sound quality of the two speakers 1801 by one second passive basin 1802.

As an example, as shown in fig. 5, the fourth seal 19 may include a first seal ring 1901 and a second seal ring 1902, the first seal ring 1901 being disposed between the speaker 1801 and the main housing 24, the second seal ring 1902 being disposed between the second passive basin 1802 and the main housing 24, the first opening 1301 and the second opening 1302 being sealed by the first seal ring 1901 and the second seal ring 1902, respectively, to ensure overall tightness at the front opening 13.

In one embodiment, as shown in fig. 5, the side case assembly 22 includes a cavity cover 2201, and the sixth seal 23 is disposed between the cavity cover 2201 and the main case 24.

In this embodiment, the cavity cover plate 2201 is detachably mounted on the side opening 15, and the electronic component inside the sound box can be replaced and maintained by disassembling the cavity cover plate 2201, and the sixth sealing member 23 disposed between the cavity cover plate 2201 and the main housing 24 can better improve the sealing performance and the waterproof performance of the two sides of the main housing 24.

In one embodiment of the disclosure, as shown in fig. 4, the outer surface of the main housing 24 is further covered with a housing 29, where the housing 29 includes a top housing 2901 disposed outside the top housing assembly 16, a front housing 2902 disposed outside the front housing assembly 18, a back housing 2903 disposed outside the back housing assembly 20, and a side housing 2904 disposed outside the side housing assembly 22, and the top housing 2901, the front housing 2902, the back housing 2903, and the side housing 2904 provide external protection to the top housing assembly 16, the front housing assembly 18, the back housing assembly 20, and the side housing assembly 22, respectively, to prevent damage to the internal structures of the top housing assembly 16, the front housing assembly 18, the back housing assembly 20, the side housing assembly 22, and the sound box after the sound box falls, and on the other hand, the housing 29 can also achieve a certain waterproof and dustproof effect.

In one embodiment, as shown in fig. 3, the surface of the housing 29 is further provided with a hook 30, the hook 30 is mounted on the cavity cover 2201, and a user can use a rope to pass through the hook 30, so as to achieve the purpose of convenient carrying.

In an embodiment, as shown in fig. 4, the housing 29 may further be provided with a mounting hole 32, a plug hole 33 and a key hole 34 that are matched with the waterproof structure 1, the rubber plug 31 includes a sealing portion and a mounting portion, the mounting of the rubber plug 31 is achieved by placing the mounting portion into the mounting hole 32, and the sealing of the plug hole 33 and the interface cavity 2 is achieved by the rubber plug 31 through the sealing portion.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A waterproof structure, characterized in that the waterproof structure comprises:

2. The waterproof structure according to claim 1, wherein a first seal member limiting portion is provided on an inner wall of the interface chamber; or alternatively, the process may be performed,

3. The waterproof structure according to claim 1, wherein a second seal stopper is provided on an outer surface of the main body portion; or alternatively, the process may be performed,

a second seal is disposed on an outer surface of the body portion.

4. The waterproof structure according to claim 1, wherein the main body portion is a plastic member, and the key portion is a rubber member.

5. A loudspeaker, comprising the waterproof structure of any one of claims 1 to 4, further comprising an interface structure and a key, the interface structure being located in the interface cavity, the key being located in the key cavity.

6. The sound box according to claim 5, further comprising a main housing provided with a top opening, a front opening, a back opening, and side openings on both sides of the main housing,

7. The loudspeaker of claim 6, wherein the back shell assembly comprises a first passive basin, the fifth seal being disposed between the first passive basin and the main housing.

8. The sound box according to claim 7, wherein a through groove is provided on the first passive basin, the waterproof structure is provided in the through groove, and the second sealing member of the waterproof structure is provided between the waterproof structure and a groove wall of the through groove.

9. The sound box according to claim 6, wherein the top case assembly comprises a key panel assembly, the key panel assembly comprises a key panel and a key membrane layer, the key panel is provided with a hollowed-out structure, the key membrane layer covers the hollowed-out structure, and the third sealing member is arranged between the key panel and the main casing.

10. The loudspeaker of claim 6, wherein the front opening comprises a first opening and a second opening, the front housing assembly comprises a speaker disposed in the first opening and a second passive basin disposed in the second opening, and the fourth seal is located between the speaker and the main housing and between the second passive basin and the main housing.