Tail box with sound function

Abstract

The utility model relates to a trunk with a sound function, which comprises a trunk cover and a trunk body, the trunk cover is connected with one side of the trunk body, and the trunk body comprises a first shell, a second shell and a third shell, the second shell is arranged in the first shell; the built-in cavity is arranged between the first shell and the second shell; the built-in box body is arranged in the built-in cavity; the connecting part is arranged on the outer side of the first shell and is connected with the first shell and the built-in box body; the external box body is arranged outside the connecting part and is connected with the connecting part; the sound insulation assembly is arranged in the external box body; and the loudspeaker is arranged in the internal box body, the connecting part and the external box body, and is adjacent to the sound insulation assembly. According to the tail box, the built-in box body is arranged in the built-in cavity, a part of the loudspeaker is arranged in the built-in box body, the internal space of the box body is occupied as little as possible, and the sound insulation assembly is arranged in the external box body, so that the sound of the loudspeaker is gathered, the adjacent loudspeakers do not generate harmonic sound, and the overall sound quality of the tail box is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sound equipment, especially with sound function's tail box. BACKGROUND

[0002] With the development and application of new energy, at present, electric motorcycles have entered thousands of households, and electric motorcycles are widely used because of low maintenance cost and convenient parking.

[0003] At present, the tail box of the electric vehicle or motorcycle in the prior art often only has loading and storage functions, and places meal boxes or accompanying articles, and a small number of tail boxes are provided with a sound equipment to increase the entertainment function of the motorcycle tail box. However, the existing motorcycle tail box has limited internal space, and the placed sound equipment is too simple, which belongs to low-end configuration, and the sound effect of the horn is not improved, so that the sound quality of the sound equipment cannot be guaranteed, which seriously affects the use of the sound equipment by the user.

[0004] Therefore, the present application provides a tail box with a sound function. UTILITY MODEL CONTENTS

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a tail box with a sound function, thereby solving the technical problem that the tail box in the prior art cannot improve the sound function due to limited internal space.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a tail box with a sound function, which comprises a box cover and a box body, and the box body comprises: a first shell; a second shell arranged inside the first shell; an internal cavity arranged between the first shell and the second shell; an internal box arranged in the internal cavity; a connecting part arranged on the outside of the first shell and connected with the first shell and the internal box; an external box arranged on the outside of the connecting part and connected with the connecting part; a sound insulation assembly arranged inside the external box; and a horn arranged inside the internal box, the connecting part and the external box and arranged adjacent to the sound insulation assembly.

[0007] Optionally, the box cover comprises: a bass cavity arranged inside the box cover and arranged on the side adjacent to and / or opposite to the internal cavity; a bass horn arranged inside the bass cavity; and a bass diaphragm arranged inside the bass cavity and arranged on the side adjacent to the bass horn.

[0008] Optionally, the bass horn is arranged in the middle of the bass cavity, and the number of the bass diaphragms is multiple, and the multiple bass diaphragms are arranged in the circumferential direction of the bass horn.

[0009] Optionally, the number of the horns is multiple, and the sound insulation assembly is arranged in the middle of every two adjacent horns.

[0010] Optionally, the first sound insulation plate is arranged on the side of the connecting portion facing the external box body and connected with the connecting portion; the second sound insulation plate is arranged on the side of the external box body facing the connecting portion and connected with the external box body; and the first sound insulation plate is connected with the second sound insulation plate when the connecting portion and the external box body are connected with each other.

[0011] Optionally, the baffle is arranged outside the external box body and connected with the first shell; and the sound transmission hole is arranged on the baffle.

[0012] Optionally, the first atmosphere lamp is arranged between the baffle and the first shell; and the second atmosphere lamp is arranged outside the first shell.

[0013] Optionally, the sound amplification grid is arranged on the surface of the box cover, and the number of the sound amplification grids is plural.

[0014] Optionally, the third atmosphere lamp is arranged inside the sound amplification grid.

[0015] Optionally, the control panel is arranged on the box cover.

[0016] The tail box with the sound function has the advantages that:

[0017] The utility model provides a tail box with sound function, through setting built -in cavity between first shell and second shell, through setting built -in box body in built -in cavity, make a part of loudspeaker set up in built -in box body, as little as possible occupy motorcycle box body's internal space, guarantee the loading and storage function of box body, and through setting connecting portion and external box body, make another part of loudspeaker set up in the outside of motorcycle box body, because setting sound insulation component in external box body, make the sound of loudspeaker gather, adjacent loudspeaker will not meet interference, avoid the resonance between loudspeaker, effectively promote the tone of loudspeaker, and then promote the sound quality of tail box. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is cross section schematic view of tail box with sound function of the utility model;

[0019] Figure 2 It is internal structure schematic view of one side of tail box with sound function of the utility model;

[0020] Figure 3 It is structure schematic view of first sound insulation plate and connecting portion of the utility model;

[0021] Figure 4 It is structure schematic view of external box body and second sound insulation plate of the utility model;

[0022] Figure 5The utility model discloses a structure schematic diagram of external box body, connecting portion and built-in box body of high -quality motorcycle tail box sound box.

[0023] Figure 6 The utility model discloses a structure schematic diagram of high -quality motorcycle tail box sound box.

[0024] Figure 7 The utility model discloses a structure schematic diagram of another angle of box cover.

[0025] Figure 8 The utility model discloses a structure schematic diagram of another angle of box cover.

[0026] Figure 9 The utility model discloses a structure schematic diagram of the side of tail box with sound function.

[0027] Figure 10 The utility model discloses a structure schematic diagram of the bottom of tail box with sound function.

[0028] Figure 11 The utility model discloses a structure schematic diagram of the top of tail box with sound function.

[0029] Explanation of reference signs:

[0030] 1, first shell body;2, second shell body;3, built-in cavity;4, built-in box body;5, connecting portion;6, external box body;7, sound insulation assembly;71, first sound insulation board;72, second sound insulation board;8, loudspeaker;9, bass cavity;10, bass loudspeaker;11, bass diaphragm;12, baffle;13, sound transmission hole;14, first atmosphere lamp;15, second atmosphere lamp;16, sound amplification grid;17, third atmosphere lamp;18, control panel;19, cover plate;20, connecting column;21, USB interface;22, Type-C interface;23, DC interface;24, handle;25, battery;26, lock piece;27, quick opening lock piece. Specific implementation

[0031] In order to better understand the above technical scheme, the exemplary embodiments of the utility model will be described in more detail below with reference to the drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described here. On the contrary, these embodiments are provided to enable clearer and more thorough understanding of the utility model and to enable complete communication of the scope of the utility model to those skilled in the art.

[0032] The embodiment of the utility model provides a tail box with sound function, such as Figures 1 to 11As shown, the box includes a box cover and a box body, the box body includes: a first shell 1; a second shell 2 arranged inside the first shell 1; an internal cavity 3 arranged between the first shell 1 and the second shell 2; an internal box 4 arranged in the internal cavity 3; a connecting part 5 arranged outside the first shell 1 and connected with the first shell 1 and the internal box 4; an external box 6 arranged outside the connecting part 5 and connected with the connecting part 5; a sound insulation assembly 7 arranged inside the external box 6; and a loudspeaker 8 arranged inside the internal box 4, the connecting part 5 and the external box 6 and arranged adjacent to the sound insulation assembly 7.

[0033] Exemplarily, the box body in the embodiment is any one of a cuboid structure, a square structure, a spherical structure or an elliptical spherical structure, one side of the box cover and the box body is rotationally connected, and the other side opposite to the rotational connection is provided with a lock piece 26, thereby facilitating the opening and closing and locking of the trunk with the sound function.

[0034] Exemplarily, the circumferential edges between the box cover and the box body in the embodiment are clamped, without the need to arrange the rotational connection and the lock piece 26, the opening and closing between the box cover and the box body of the trunk with the sound function is more convenient, and a rubber strip is arranged between the circumferential edges of the box cover and the box body to increase the waterproof function between the box cover and the box body of the trunk with the sound function.

[0035] Exemplarily, the internal box 4 and the connecting part 5 can be integrally formed, the connecting part 5 and the external box 6 are connected by bolts, and the connecting part 5 and the first shell 1 are also connected by bolts. The connection strength between the connecting part 5 and the first shell 1 arranged in this way guarantees the stability of the connection between the loudspeaker 8 and the box body in the embodiment. In this way, during the riding of the motorcycle, the vibration of the motorcycle or the bump caused by the poor road conditions will not affect the sound quality of the sound, thereby improving the sound quality of the played music during the riding of the user.

[0036] Exemplarily, the internal box 4, the connecting part 5 and the external box 6 can also be integrally formed, and a clamping hole is arranged on the first shell 1 to facilitate the clamping between the wall surface of the connecting part 5 and the first shell 1, so that the internal box 4 is located in the internal cavity 3 between the first shell 1 and the second shell 2, and the external box 6 is located outside the first shell 1. In this way, only a small part of the loudspeaker 8 is located in the internal cavity 3, which occupies very little internal space of the trunk with the sound function, without affecting the loading and storage functions of the trunk with the sound function.

[0037] Exemplarily, the tail box with the sound function in the embodiment is a cuboid structure, the built-in cavity 3 is arranged on the four peripheral side walls of the box body, the built-in box body 4 and the external box body 6 are connected to the four peripheral side walls of the box body through the connecting parts 5, the four peripheral side walls of the box body are provided with the loudspeakers 8, thereby not only improving the sound quality of the motorcycle tail box sound as a whole, but also increasing the volume of the tail box with the sound function and the surround sound effect of the tail box with the sound function.

[0038] Exemplarily, the tail box with the sound function in the embodiment is a cuboid structure, the built-in cavity 3 is arranged on the top wall of the box body, the box cover is arranged on the side facing the back of the human body, and the box cover is arranged as a backrest, the top wall of the box body is the closest wall surface of the box body to the human ear, the built-in box body 4 and the external box body 6 are arranged on the top wall of the box body through the connecting parts 5, which is beneficial to the human body to receive the sound of the loudspeaker 8, and thereby the sound quality of the loudspeaker 8 is realized through the arrangement of the least loudspeaker 8.

[0039] Exemplarily, the external shape of the external box body 6 can be any one of a triangle, a square, a rectangle, a circle, an ellipse, a trapezoid, a rhombus or a star, and can be arranged according to the shape of the box body, and the specific shape of the external box body 6 is not limited herein.

[0040] In a possible embodiment, as shown in Figure 6 and Figure 7 , the box cover comprises: a bass cavity 9 arranged inside the box cover and adjacent to and / or opposite to the built-in cavity 3; a bass loudspeaker 10 arranged inside the bass cavity 9; and a bass diaphragm 11 arranged inside the bass cavity 9 and adjacent to the bass loudspeaker 10.

[0041] Exemplarily, the bass cavity 9 in the embodiment is arranged adjacent to the built-in cavity 3, after the arrangement, the box cover is arranged on the side of the cuboid structure box body facing the back of the human body, the bass cavity 9 is arranged inside the box cover, the bass loudspeaker 10 and the bass diaphragm 11 are both arranged inside the bass cavity 9, and the built-in cavity 3 is arranged on the upper wall and the left and right side walls of the cuboid structure box body, thereby improving the overall sound effect of the tail box with the sound function.

[0042] Exemplarily, the bass cavity 9 in the embodiment is arranged adjacent to the built-in cavity 3, after the arrangement, the box cover is arranged on the side of the cuboid structure box body facing the back of the human body, the bass cavity 9 is arranged inside the box cover, the bass loudspeaker 10 and the bass diaphragm 11 are both arranged inside the bass cavity 9, and the built-in cavity 3 is arranged on the upper wall and the left and right side walls of the cuboid structure box body, thereby improving the overall sound effect of the tail box with the sound function.

[0043] Exemplarily, the bass cavity 9 in the embodiment is arranged at the adjacent and opposite sides of the built-in cavity 3, and after the arrangement, the box cover is arranged at the side of the cuboid structure box body facing the back of the human body, the bass cavity 9 is arranged inside the box cover, the bass speaker 10 and the bass diaphragm 11 are both arranged in the bass cavity 9, and the built-in cavity 3 is arranged at the upper wall and the remaining three side walls of the cuboid structure box body, thereby improving the overall sound effect of the trunk with the sound function.

[0044] Exemplarily, as shown in Figure 8 The battery 25 is arranged at the side of the box body, thereby supplying power for the speaker 8. The battery 25 is a detachable battery 25, which is convenient to detach from the box body to charge the battery 25. The combination interface is also arranged on the box cover, and the combination interface includes the USB interface 21, the Type-C interface 22 and the DC interface 23. The USB interface 21 and the Type-C interface 22 can realize the wired connection between the motorcycle trunk sound and the mobile terminal, and realize the internal recording function. The DC interface 23 realizes the power supply for the trunk with the sound function, or charges the battery 25 when the battery 25 is not detached.

[0045] Further, the cover plate 19 is arranged outside the USB interface 21, the Type-C interface 22 and the DC interface 23, and the cover plate 19 and the box body are sealed when the USB interface 21, the Type-C interface 22 and the DC interface 23 are not used. The cover plate 19 is made of rubber, which is convenient to seal and waterproof, or the cover plate 19 is made of acrylic material, and rubber sealing strips are adhered around the cover plate 19, thereby realizing the sealing performance between the cover plate 19 and the box body, ensuring the waterproof performance of the combination interface even in rainy or snowy weather. The cover plate 19 and the box body are inserted or clamped, and the connecting hole is arranged on the box body, and the connecting column 20 is arranged on the cover plate 19. The connecting column 20 is made of rubber, and the volume of the connecting column 20 is slightly larger than that of the connecting hole. The connecting column 20 is inserted into the connecting hole by extrusion, thereby realizing the connection between the cover plate 19 and the box body. The connecting column 20 is arranged at one side of the cover plate 19, and the number of the connecting column 20 is at least one. When the cover plate 19 is opened, the cover plate 19 is still connected with the box body through the connecting column 20, which is convenient for the use of the combination interface and prevents the loss of the cover plate 19, thereby increasing the practicability of the combination interface.

[0046] Exemplarily, a handle 24 is further arranged above the box cover, the number of the handle 24 is at least one, the handle 24 is connected with the box cover through plug-in connection, clamping connection or bolt connection, a hole is arranged in the middle of the handle 24, on one hand, the handle 24 makes the operator more labor-saving when opening or closing the box cover, on the other hand, when it is necessary to load large goods, the handle 24 is connected with a rope through the hole, the large goods can be bound on the box cover through the rope, thereby the loading performance is increased. In addition, a bending part is further arranged on the handle 24, the bending part is beneficial to fixing the bound rope on the handle 24, avoiding the fixed rope from sliding, and is beneficial to reinforcing the bound large goods.

[0047] Exemplarily, a quick opening lock 27 is arranged at the bottom of the box body, the quick opening lock 27 is used to realize quick locking or unlocking between the box body and the motorcycle, thereby facilitating the installation and dismounting of the motorcycle trunk sound box. The specific structure of the quick opening lock 27 in the embodiment belongs to the prior art, and is not limited here.

[0048] In a possible embodiment, as shown in Figure 1 and Figure 6 , the bass horn 10 is arranged at the middle of the bass cavity 9, and the number of the bass diaphragms 11 is multiple, and the multiple bass diaphragms 11 are arranged in the circumferential direction of the bass horn 10.

[0049] Exemplarily, the number of the bass diaphragms 11 of the trunk with a sound function in the embodiment is 2, and the two bass diaphragms 11 are arranged at the two sides of the bass horn 10, thereby increasing the bass performance of the bass cavity 9, and improving the bass effect of the trunk with a sound function during music playing.

[0050] Exemplarily, the number of the bass diaphragms 11 of the trunk with a sound function in the embodiment is 4, and the four bass diaphragms 11 are arranged in the front, rear, left and right directions of the bass horn 10, thereby increasing the bass performance of the bass cavity 9, and improving the bass effect of the trunk with a sound function during music playing.

[0051] In a possible embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the number of the loudspeakers 8 is multiple, and the sound insulation assembly 7 is arranged between every two adjacent loudspeakers 8.

[0052] Exemplarily, as shown in Figure 1 and Figure 2As shown, the tail box with sound function in the embodiment is a cuboid structure, and the number of the loudspeakers 8 is 6. Each two loudspeakers 8 form a group, and there are three groups of loudspeakers 8, which are arranged on the side walls of the cuboid structure motorcycle sound, that is, four side walls of the cuboid structure motorcycle sound. The side wall facing the people is provided with the lock piece 26, and the other three side walls are each provided with two loudspeakers 8. The sound insulation assembly 7 is arranged between the two loudspeakers 8, so as to improve the sound effect of each loudspeaker 8.

[0053] As shown in the drawings, two separate loudspeakers 8 can be arranged on the side wall provided with the lock piece 26, and the number of the loudspeakers 8 is increased, which is beneficial to improve the sound quality of the tail box with sound function.

[0054] In a possible embodiment, as shown in Figure 2 , Figure 3 and Figure 4 , the first sound insulation plate 71 is arranged on the side of the connecting part 5 facing the external box body 6 and connected with the connecting part 5. The second sound insulation plate 72 is arranged on the side of the external box body 6 facing the connecting part 5 and connected with the external box body 6. In the case that the connecting part 5 and the external box body 6 are connected with each other, the first sound insulation plate 71 and the second sound insulation plate 72 are connected.

[0055] As shown in the drawings, the first sound insulation plate 71 is arranged on the side of the connecting part 5 facing the external box body 6. The connection between the first sound insulation plate 71 and the connecting part 5 can be any one of plug-in connection, clamping connection, glue connection or one-piece connection. The second sound insulation plate 72 is arranged inside the external box body 6. The connection between the second sound insulation plate 72 and the external box body 6 can be any one of plug-in connection, clamping connection, glue connection or one-piece connection. The shape of the second sound insulation plate 72 can be a cuboid sheet or a long cylindrical shape, which can be limited according to the internal structure of the external box body 6. By arranging the first sound insulation plate 71 and the second sound insulation plate 72 to be connected, the sound of the loudspeaker 8 is more concentrated. In the case that multiple loudspeakers 8 are arranged, the sound insulation assembly 7 is arranged between the multiple loudspeakers 8 to prevent interference between the multiple loudspeakers 8, so as to improve the sound quality of the loudspeaker 8 and the overall sound quality of the tail box with sound function.

[0056] As shown in the drawings, the connection between the first sound insulation plate 71 and the second sound insulation plate 72 can be any one of plug-in connection, clamping connection or sliding connection. In the case that the connecting part 5 and the external box body 6 are connected with each other, the first sound insulation plate 71 and the second sound insulation plate 72 are connected with each other, so as to satisfy the sound insulation between the multiple loudspeakers 8 and improve the sound quality of the loudspeaker 8.

[0057] In a possible embodiment, as shown in Figure 9 and Figure 10The baffle 12 is arranged outside the external box body 6 and connected with the first shell 1. The sound transmission hole 13 is arranged on the baffle 12.

[0058] Exemplarily, the baffle 12 is arranged on the external box body 6, so that the protection performance of the external box body 6 is improved. The connection mode between the baffle 12 and the first shell 1 can be colloid bonding, clamping or inserting, and the specific connection mode belongs to the prior art and is not limited here.

[0059] Exemplarily, in the embodiment, the strip-shaped sound transmission hole 13 is arranged on the baffle 12, so that the sound transmission effect of the loudspeaker 8 is improved when playing music. Specifically, the sound transmission hole 13 on the baffle 12 can also be a circular hole, a square hole, a rhombic hole or a hole with other shapes, so as to play the role of transmitting the sound effect of the loudspeaker 8.

[0060] In a possible embodiment, as shown in Figure 10 and Figure 11 The first atmosphere lamp 14 is arranged between the baffle 12 and the first shell 1, and the second atmosphere lamp 15 is arranged outside the first shell 1.

[0061] Exemplarily, the trunk with the sound function in the embodiment is a cuboid structure, the first atmosphere lamp 14 is bonded to the first shell 1 by gluing and arranged in the circumferential direction of the baffle 12, and the second atmosphere lamp 15 is arranged on the four vertical edges of the circumferential direction of the box body. Similarly, the second atmosphere lamp 15 can be fixed between the first shell 1 by bonding. By arranging the first atmosphere lamp 14 and the second atmosphere lamp 15, the colorful light effect is increased during the process of playing music in the trunk with the sound function, so as to increase the entertainment of the trunk with the sound function.

[0062] Exemplarily, the colors of the first atmosphere lamp 14 and the second atmosphere lamp 15 can be set according to actual needs, which are not limited here.

[0063] In a possible embodiment, as shown in Figure 7 and Figure 9 The sound amplification grid 16 is arranged on the surface of the box cover, and the number of the sound amplification grid 16 is multiple.

[0064] Exemplarily, in the case that the box body is a cuboid structure, the number of the sound amplification grid 16 on the box cover can be four. The four sound amplification grids 16 are arranged above the box cover and respectively face the four circumferences of the box cover, so as to increase the bass effect of the bass loudspeaker 10 in the box cover and further improve the sound quality of the trunk with the sound function with high sound quality.

[0065] In a possible embodiment, as shown in Figure 11As shown, the third atmosphere lamp 17 is arranged in the inside of the sound amplification grille 16.

[0066] Exemplarily, the third atmosphere lamp 17 is a lamp strip arranged in the inside of the sound amplification grille 16, thereby increasing the atmosphere during the music playing. The color of the third atmosphere lamp 17 can be set according to actual needs, which is not specifically limited here.

[0067] In a possible embodiment, as shown, Figure 6 As shown, the control panel 18 is arranged on the box cover.

[0068] Exemplarily, by arranging the control panel 18 on the box cover, the operator can conveniently operate the tail box with sound quality and sound function. The control panel 18 in the embodiment is any one of button control, touch control, or integrated button and touch control, and through the control panel 18, the related operations for playing music such as starting, stopping, previous song, next song, playing, pausing, and volume adjustment can be realized.

[0069] Exemplarily, the tail box with sound function in the embodiment can also be used with terminal control equipment such as mobile phones, tablet computers, smart watches, and other terminal equipment, and by downloading corresponding control software, the smart control of the tail box with sound function can be realized. Not only a single tail box with sound function can be controlled by the software, but also multiple tail boxes with sound function can be controlled, so that the first atmosphere lamp 14, the second atmosphere lamp 15, and / or the third atmosphere lamp 17 of multiple tail boxes with sound quality of motorcycles are linked to form an atmosphere lamp matrix, the brightness or switch of all atmosphere lamps are controlled according to the set program, the sense of technology and entertainment of the tail box with sound function are increased, and the practical performance of the tail box with sound function is further enriched.

[0070] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "joint", "fix" and other terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect;Can be the intercommunication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0071] In the utility model, unless another definite provision and limitation, first feature is on second feature " on " or " below ", can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature is on second feature " above ", " above " and " above ", can be first feature is on second feature directly above or obliquely above, or just indicate first feature horizontal height is higher than second feature. First feature is on second feature " below ", " below " and " below ", can be first feature is on second feature directly below or obliquely below, or just indicate first feature horizontal height is lower than second feature.

[0072] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled in the art can change, modify, replace and change the above-mentioned embodiments within the scope of the utility model.

Claims

1. A trunk with a sound function, comprising a trunk cover and a trunk body, characterized in that, The box comprises: a first shell; a second shell arranged inside the first shell; an inner cavity arranged between the first shell and the second shell; an inner box arranged in the inner cavity; a connecting part arranged outside the first shell and connected with the first shell and the inner box; an outer box arranged outside the connecting part and connected with the connecting part; a sound insulation component arranged inside the outer box; a loudspeaker arranged inside the inner box, the connecting part and the outer box and adjacent to the sound insulation component.

2. The trunk with audio function according to claim 1, wherein, The box cover comprises: a bass cavity arranged inside the box cover and arranged adjacent to and / or opposite to the inner cavity; a bass loudspeaker arranged inside the bass cavity; a bass diaphragm arranged inside the bass cavity and adjacent to the bass loudspeaker.

3. The trunk with audio function according to claim 2, wherein, The bass loudspeaker is arranged in the middle of the bass cavity, and the number of the bass diaphragm is multiple, and the multiple bass diaphragms are arranged in the circumferential direction of the bass loudspeaker.

4. The trunk with audio function according to claim 1, wherein, The number of the loudspeaker is multiple, and the sound insulation component is arranged between every two adjacent loudspeakers.

5. The trunk with audio function according to claim 1, wherein, The sound insulation component comprises: a first sound insulation board arranged on the side of the connecting part facing the outer box and connected with the connecting part; a second sound insulation board arranged on the side of the outer box facing the connecting part and connected with the outer box; In the case that the connecting part and the outer box are connected with each other, the first sound insulation board and the second sound insulation board are connected.

6. The trunk with audio function according to claim 1, wherein, It comprises: a baffle arranged outside the outer box and connected with the first shell; a sound transmission hole arranged in the baffle.

7. The trunk with audio function as claimed in claim 6, wherein, It further comprises: a first atmosphere lamp arranged between the baffle and the first shell; a second atmosphere lamp arranged outside the first shell.

8. The trunk with audio function as claimed in claim 7, wherein, It further comprises: a sound amplification grid arranged on the surface of the box cover, and the number of the sound amplification grid is multiple.

9. The trunk with audio function as claimed in claim 8, wherein, It further comprises: a third atmosphere lamp arranged inside the sound amplification grid.

10. The trunk with audio function as claimed in claim 1, wherein, It further comprises: a control panel arranged on the box cover.

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