Bass sound box

Abstract

The utility model provides a bass sound box, which comprises a bottom wall, a side wall, a top wall and a bass horn unit, and is characterized in that the bottom wall, the side wall and the top wall are encircled to form an accommodating cavity, and the bass horn unit is accommodated in the accommodating cavity; the side walls comprise a first side wall, a second side wall and a third side wall which are sequentially connected along the axial direction of the bass sound box, the first side wall is connected with the bottom wall, and the third side wall is connected with the top wall; the diameter of the first side wall is larger than that of the second side wall, and the diameter of the second side wall is larger than that of the third side wall. The second side wall can be contained in a space defined by the first side wall, and the third side wall can be contained in a space defined by the second side wall; the rigidity of the first side wall and the second side wall is larger than that of the third side wall. According to the bass sound box provided by the invention, the side walls with different rigidities are combined to serve as the side walls of the bass sound box, on one hand, the volume of the bass sound box in use can be increased so as to provide a better sound effect, the carrying volume is small, and on the other hand, the bass sound box can be ensured to have a stable side wall form in use.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sound boxes, and particularly relates to a bass sound box. BACKGROUND

[0002] The main task of a bass sound box is to reproduce low-frequency sound, and the wavelength of low-frequency sound is relatively long. A larger sound box volume can accommodate more air, providing sufficient space for the expansion and reflection of long-wavelength low-frequency sound. A larger box body can enable a loudspeaker to produce deeper and more intense bass effects, thereby enhancing low-frequency response. In addition, a larger bass speaker unit can push more air, thereby producing more powerful bass effects. In order to be able to carry a large-diameter bass speaker unit, the box body design also needs to be large enough to ensure the stability of the sound effect.

[0003] In summary, the larger the volume of the bass sound box, the better the sound effect. However, a large-volume bass sound box is often inconvenient to carry. SUMMARY

[0004] The application aims to overcome the shortcomings of the prior art and provide a bass sound box that is convenient to carry and has a good sound effect.

[0005] To solve the above technical problems, on the one hand, the application provides a bass sound box, which comprises a bottom wall, a side wall, a top wall and a bass speaker unit. The bottom wall, the side wall and the top wall enclose a containing cavity, and the bass speaker unit is accommodated in the containing cavity. The side wall comprises a first side wall, a second side wall and a third side wall. The first side wall, the second side wall and the third side wall are connected in sequence along the axial direction of the bass sound box, and the first side wall is connected to the bottom wall and the third side wall is connected to the top wall. The diameter of the first side wall is greater than the diameter of the second side wall, and the diameter of the second side wall is greater than the diameter of the third side wall. The second side wall can be accommodated in the space enclosed by the first side wall, and the third side wall can be accommodated in the space enclosed by the second side wall. The rigidity of the first side wall and the second side wall is greater than the rigidity of the third side wall.

[0006] Preferably, the bass sound box further comprises a first sealing ring, which is circumferentially arranged at the connection between the first side wall and the second side wall.

[0007] Specifically, the third side wall is a bent elastic pipe wall.

[0008] Preferably, the first side wall and the bottom wall are integrally formed.

[0009] Specifically, the sound outlet of the bass speaker unit is arranged on the bottom wall.

[0010] Further, the side wall further comprises a fourth side wall, which is connected between the first side wall and the second side wall along the axial direction of the bass speaker.

[0011] Preferably, the bass speaker further comprises a second sealing ring, which is arranged at the connection between the fourth side wall and the second side wall in the circumferential direction.

[0012] The bass speaker provided by the present application can increase the volume of the bass speaker in use to provide better sound effect and carry a small volume, and can ensure that the bass speaker has a stable side wall shape in use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0014] Figure 1 is a cross-sectional structure schematic diagram of the bass speaker in the first state in an embodiment of the present application;

[0015] Figure 2 is a cross-sectional structure schematic diagram of the bass speaker in the second state in an embodiment of the present application;

[0016] Figure 3 is a cross-sectional structure schematic diagram of the bass speaker in the second state in an embodiment of the present application;

[0017] Figure 4 is a three-dimensional structure schematic diagram of the bass speaker in the first state in an embodiment of the present application;

[0018] Figure 5 is a three-dimensional structure schematic diagram of the bass speaker in the second state in an embodiment of the present application;

[0019] Figure 6 is a three-dimensional structure schematic diagram of the bass speaker in the third state in an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0021] It should be noted that when an element is referred to as being "fixed to" or "set to" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should also be noted that the left, right, up and down orientation terms in the embodiments of the present application are only relative concepts or are with reference to the normal use state of the product, and should not be considered as limiting.

[0023] For the convenience of description, the first state of the bass speaker provided in the present application refers to the state that the internal volume is the largest, and all folding structures are in the unfolded state; the second state refers to the state that part of the folding structures are in the unfolded state and part of the folding structures are in the storage state; and the third state refers to the state that all folding structures are in the storage state, at which time the volume of the bass speaker is the smallest.

[0024] Please refer to Figures 1-6 The bass speaker provided in the embodiments of the present application includes a bottom wall 11, a side wall, a top wall 16 and a bass speaker unit 17, wherein the bottom wall 11, the side wall and the top wall 16 form a sealed accommodating cavity, and the bass speaker unit 17 is accommodated in the sealed accommodating cavity; the side wall includes a first side wall 12, a fourth side wall 13, a second side wall 14 and a third side wall 15, which are connected in sequence along the axial direction of the bass speaker, and the first side wall 12 is connected with the bottom wall 11 and the third side wall 15 is connected with the top wall 16; the diameter of the first side wall 12 is greater than that of the fourth side wall 13, the diameter of the fourth side wall 13 is greater than that of the second side wall 14, and the diameter of the second side wall 14 is greater than that of the third side wall 15; the fourth side wall 13 can be accommodated in the space formed by the first side wall 12, the second side wall 14 can be accommodated in the space formed by the fourth side wall 13, and the third side wall 15 can be accommodated in the space formed by the second side wall 14.

[0025] It should be noted that the third side wall 15 can be in the first state of full expansion as shown in Figure 1 , can be in the second state of full storage as shown in Figure 2 , or can be in a semi-expanded semi-stored state between the two.

[0026] It should be noted that by controlling the mass, size or material of the top wall 16, the resonance frequency and the radiation sound pressure value of the cabinet can be effectively changed, and the material thereof can be a metal sheet, a paper material or rubber.

[0027] It should be noted that, in one embodiment, the first sidewall 12 is a hollow wall, and the fourth sidewall 13 is housed in its hollow structure. Alternatively, the fourth sidewall 13 can also be a hollow wall, and the second sidewall 14 can be housed in its hollow structure.

[0028] Better, such as Figure 5 As shown, the subwoofer also includes a first sealing ring 121 and a second sealing ring 131. The first sealing ring 121 is circumferentially disposed at the connection between the first side wall 12 and the fourth side wall 13, and the second sealing ring 131 is circumferentially disposed at the connection between the fourth side wall 13 and the second side wall 14.

[0029] It should be noted that, Figures 1-6 The illustrated embodiment shows the structure of the subwoofer enclosure including a fourth sidewall 13. In other embodiments, the fourth sidewall 13 may not be included; that is, the sidewalls of the subwoofer enclosure may include a first sidewall 12, a second sidewall 14, and a third sidewall 15. Additionally, other embodiments may include multiple fourth sidewalls.

[0030] In the embodiments of this application, the third sidewall 15 is a bent elastic tube wall, which can be housed on the top surface of the second sidewall 14 by pressing the top wall 16, avoiding the multiple sidewalls being housed in the hollow structure of the sidewalls, which would cause the radial diameter of the subwoofer to become too large. Preferably, the stiffness of the first sidewall 12, the second sidewall 14, and the fourth sidewall 13 is greater than that of the third sidewall 15, thereby ensuring that the subwoofer has sufficient volume when unfolded, ensuring the stability of the subwoofer during operation, and avoiding sound wave vibration causing speaker deformation that would affect the sound effect.

[0031] In a preferred embodiment, the sound outlet of the woofer unit 17 is disposed on the bottom wall 11, and the first side wall 12 is integrally formed with the bottom wall 11, thereby ensuring the sealing of the woofer enclosure.

[0032] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A subwoofer, characterized by, The bass speaker comprises a bottom wall, a side wall, a top wall, and a bass speaker unit, the bottom wall, the side wall, and the top wall form a containing cavity, and the bass speaker unit is contained in the containing cavity; the side wall comprises a first side wall, a second side wall, and a third side wall, the first side wall, the second side wall, and the third side wall are connected in sequence along the axial direction of the bass speaker, the first side wall is connected with the bottom wall, and the third side wall is connected with the top wall; the diameter of the first side wall is greater than the diameter of the second side wall, and the diameter of the second side wall is greater than the diameter of the third side wall; the second side wall can be contained in the space formed by the first side wall, and the third side wall can be contained in the space formed by the second side wall; the rigidity of the first side wall and the second side wall is greater than the rigidity of the third side wall.

2. The subwoofer of claim 1, wherein, The bass speaker further comprises a first sealing ring, which is circumferentially arranged at the connection between the first side wall and the second side wall.

3. The subwoofer of claim 1, wherein, The third side wall is a bent elastic pipe wall.

4. The subwoofer of claim 1, wherein, The first side wall is integrally formed with the bottom wall.

5. The subwoofer of claim 1, wherein, The sound outlet of the bass speaker unit is arranged on the bottom wall.

6. The subwoofer of claim 1, wherein, The side wall further comprises a fourth side wall, which is connected between the first side wall and the second side wall along the axial direction of the bass speaker.

7. The subwoofer of claim 6, wherein, The bass speaker further comprises a second sealing ring, which is circumferentially arranged at the connection between the fourth side wall and the second side wall.

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