A dual-cavity speaker

Abstract

The utility model discloses a double -cavity type sound box, including box body, and install first frame body and second frame body in the inner chamber of box body, first frame body is provided with recess, and second frame body is located in recess, so that second frame body will recess divide and form first sound outlet channel and second sound outlet channel, and first sound outlet channel and second sound outlet channel are symmetrically arranged, and the opening of recess is located at the sound outlet end surface of box body, and each is provided with a sound unit on first sound outlet channel and second sound outlet channel. The utility model utilizes the inner chamber of limited space on box body to complete the installation of three sound units, so that the sound box leaves the corresponding space of the remaining three end surfaces of sound outlet end surface, can install and connect handle other entity components on the three end surfaces, reduces the volume of sound box, and also satisfies the user demand. In addition, the utility model sets up two symmetrical sound outlet channels, so that the overall sound effect is better, and the user experience is improved.

Description

Technical Field

[0001] This utility model relates to the field of speaker technology, specifically a dual-cavity speaker. Background Technology

[0002] Speakers have become a common household device. To provide better sound quality, speakers typically feature multiple drivers to deliver different frequency ranges, including high, mid, and low frequencies. When multiple drivers need to be installed, how to utilize the limited space within the speaker enclosure is a crucial design consideration. Furthermore, when the top and sides of the speaker require connecting components that further restrict the driver installation space—for example, a recessed handle on the top—appropriate space must be reserved in the enclosure near the top to prevent interference between the handle and the drivers. This places higher demands on the speaker's structural design. Therefore, reducing the speaker's size by improving the driver installation structure is a key technical challenge that needs to be addressed. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a dual-cavity speaker that can solve the problems described in the background art.

[0004] The technical solution to achieve the purpose of this utility model is as follows: a dual-cavity speaker, including a cabinet, and a first frame and a second frame installed in the inner cavity of the cabinet. The first frame is provided with a notch, and the second frame is located in the notch, such that the second frame divides the notch into a first sound outlet channel and a second sound outlet channel. The first sound outlet channel and the second sound outlet channel are symmetrically arranged, and the opening of the notch is located on the sound outlet end face of the cabinet. Each of the first and second sound output channels is equipped with a sound output unit.

[0005] Furthermore, the notch gradually increases in size along the direction closer to the sound-emitting end face, and both the first and second sound-emitting channels gradually increase in size along the direction closer to the sound-emitting end face.

[0006] Furthermore, the second frame is movably installed within the notch.

[0007] Furthermore, a first sound-emitting unit and a second sound-emitting unit are mounted on the first frame, and a first diaphragm and a second diaphragm are mounted on the second frame. The first sound-emitting unit, the second sound-emitting unit, the first diaphragm, and the second diaphragm are all inclined, with the first sound-emitting unit opposite to the first diaphragm and the second sound-emitting unit opposite to the second diaphragm. The first sound-producing unit and the first diaphragm constitute one sound-producing unit, and the second sound-producing unit and the second diaphragm constitute another sound-producing unit.

[0008] Furthermore, the first sound-generating unit and the first diaphragm are located on both sides of the first sound output channel along the axial direction, and the second sound-generating unit and the second diaphragm are located on both sides of the second sound output channel along the axial direction.

[0009] Furthermore, the first sound output unit is also installed on the second frame.

[0010] Furthermore, the first frame includes a left connecting plate, a left inclined plate, a horizontal plate, a right inclined plate, and a right connecting plate connected together in sequence. The left connecting plate is connected to the left inner wall of the enclosure, the right connecting plate is connected to the right inner wall of the enclosure, and the horizontal plate is parallel to and spaced apart from the side wall at the rear end of the enclosure, dividing the inner cavity of the enclosure into two sub-cavities. The two sub-cavities are interconnected, and the first sound unit and the second sound unit are located in one sub-cavity respectively.

[0011] Furthermore, the second frame includes a left partition, a transverse partition, a right partition, and a panel connected end to end. The left partition, transverse partition, right partition, and panel enclose an internal space. The first sound output unit is installed in the internal space, and one end of the first sound output unit is embedded in the panel.

[0012] Furthermore, the panel is vertically installed inside the cabinet cavity and located on the sound output end face.

[0013] Furthermore, a first through hole is provided on the transverse plate of the first frame, and a second through hole is provided on the transverse partition of the second frame. The first through hole is connected to the two sub-cavities and the second through hole, and the second through hole is connected to the internal space.

[0014] The beneficial effects of this invention are as follows: This invention utilizes the limited internal space of the speaker enclosure to install three sound output units, leaving space on the remaining three end faces (excluding the sound output face) for mounting handles and other physical components. This reduces the speaker's size while still meeting user needs. Furthermore, by setting two symmetrical sound output channels, this invention improves the overall sound effect and enhances the user experience. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the internal structure of the present invention; Figure 4 This is a schematic diagram of the internal structure with some components hidden. Figure 5 A cross-sectional view of this utility model; Figure 6 This is a schematic diagram of the internal structure from another perspective. Reference numerals: 1-First frame, 101-Left connecting plate, 102-Left inclined plate, 103-Horizontal plate, 104-Right inclined plate, 105-Right connecting plate, 106-First through hole, 2-Box, 3-Second frame, 301-Left partition, 302-Horizontal partition, 303-Right partition, 304-Panel, 305-Second through hole, 4-First sound unit, 5-First sound output unit, 6-Second sound unit, 7-First sound output channel, 8-Second sound output channel, 9-Second diaphragm, 10-First diaphragm, 11-Notch. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: like Figures 1-6 As shown, a dual-cavity speaker includes a cabinet 2, and a first frame 1 and a second frame 3 installed within the inner cavity of the cabinet 2. The first frame 1 has a notch 11, and the second frame 3 is located within the notch 11, dividing the notch 11 into a first sound outlet channel 7 and a second sound outlet channel 8. The first sound outlet channel 7 and the second sound outlet channel 8 are symmetrically arranged. The opening of the notch 11 is located on the sound outlet end face of the cabinet 2, that is, the notch 11 faces the sound outlet end face of the cabinet 2. The notch 11 gradually increases in size along the direction approaching the sound outlet end face, that is, the notch 11 has a shape that is small at one end and large at the other end, presenting a structure that gradually expands along the direction approaching the sound outlet end face. Through the notch 11, the first sound outlet channel 7 and the second sound outlet channel 8 also gradually increase in size along the direction approaching the sound outlet end face, that is, they are larger near the sound outlet end face and narrower away from the sound outlet end face, that is, they have a converging trend.

[0017] For example, the second frame 3 is movably installed in the recess 11, meaning that the second frame 3 can be freely taken out and put down. Of course, the second frame 3 can also be detachably or fixedly connected to the housing 2.

[0018] The first frame 1 is also equipped with a first sound-emitting unit 4 and a second sound-emitting unit 6. The second frame 3 is equipped with a first diaphragm 10 and a second diaphragm 9. The first sound-emitting unit 4, the second sound-emitting unit 6, the first diaphragm 10 and the second diaphragm 9 are all inclined. The first sound-emitting unit 4 is opposite to the first diaphragm 10, and the second sound-emitting unit 6 is opposite to the second diaphragm 9.

[0019] The first sound-generating unit 4 and the first diaphragm 10 are located on both sides of the first sound output channel 7 along the axis, and the second sound-generating unit 6 and the second diaphragm 9 are located on both sides of the second sound output channel 8 along the axis.

[0020] The second frame 3 is also equipped with a first sound output unit 5. The first sound output unit 5 can be a low-frequency sound output unit, a mid-frequency sound output unit, or a high-frequency sound output unit, so as to be able to play mid-high or low frequencies. The terms high frequency, mid frequency, and low frequency are relative concepts of frequency bands, not absolute frequency ranges.

[0021] It is understandable that the first sound-emitting unit 4 and the first diaphragm 10 constitute one sound-emitting unit, and the second sound-emitting unit 6 and the second diaphragm 9 constitute another sound-emitting unit. Both of these sound-emitting units can be low-frequency sound-emitting units, and their frequency bands are different from those of the first sound-emitting unit 5. For example, the first sound-emitting unit 5 is a mid-frequency sound-emitting unit, and the other two sound-emitting units are low-frequency sound-emitting units.

[0022] For example, the first frame 1 includes a left connecting plate 101, a left inclined plate 102, a horizontal plate 103, a right inclined plate 104, and a right connecting plate 105 connected together in sequence. The left connecting plate 101 is connected to the left inner wall of the housing 2, and the right connecting plate 105 is connected to the right inner wall of the housing 2, thereby connecting the first frame 1 to the housing 2. The horizontal plate 103 is parallel to and spaced apart from the rear side wall of the housing 2, dividing the inner cavity of the housing 2 into two sub-cavities. The two sub-cavities are interconnected, and the first sound-emitting unit 4 and the second sound-emitting unit 6 are respectively located in one sub-cavity.

[0023] For example, the second frame 3 includes a left partition 301, a horizontal partition 302, a right partition 303 and a panel 304 connected end to end. The left partition 301, the horizontal partition 302, the right partition 303 and the panel 304 form an internal space. The first sound output unit 5 is installed in the internal space, and one end of the first sound output unit 5 is embedded in the panel 304. The panel 304 is vertically installed in the inner cavity of the housing 2 and is located on the sound output end face.

[0024] For example, a first through hole 106 is provided on the horizontal plate 103 of the first frame 1, and a second through hole 305 is provided on the horizontal partition 302 of the second frame 3. The first through hole 106 is connected to the two sub-cavities and the second through hole 305, and the second through hole 305 is connected to the internal space.

[0025] This invention utilizes the limited space within the enclosure 2 to install three sound output units. This leaves space on the remaining three end faces (excluding the sound output face) for attaching handles and other physical components, reducing the speaker's size while still meeting user needs. Furthermore, the design of two symmetrical sound output channels enhances the overall sound quality and improves the user experience.

[0026] The embodiments disclosed in this specification are merely illustrative of one aspect of the features of this utility model. The protection scope of this utility model is not limited to this embodiment, and any other functionally equivalent embodiments fall within the protection scope of this utility model. Those skilled in the art can make various other corresponding changes and modifications based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model.

Claims

1. A dual-cavity speaker, characterized in that, The enclosure includes a housing, and a first frame and a second frame installed within the inner cavity of the housing. The first frame has a notch, and the second frame is located within the notch, such that the second frame divides the notch into a first sound outlet channel and a second sound outlet channel. The first and second sound outlet channels are symmetrically arranged, and the opening of the notch is located on the sound outlet end face of the housing. Each of the first and second sound output channels is equipped with a sound output unit. A first sound-emitting unit and a second sound-emitting unit are mounted on a first frame, and a first diaphragm and a second diaphragm are mounted on a second frame. All three sound-emitting units, including the first and second sound-emitting units, are inclined, with the first sound-emitting unit and the first diaphragm facing each other, and the second sound-emitting unit and the second diaphragm facing each other. The first sound-emitting unit and the first diaphragm are located on opposite sides of the axial direction of the first sound outlet channel, and the second sound-emitting unit and the second diaphragm are located on opposite sides of the axial direction of the second sound outlet channel. The first sound-producing unit and the first diaphragm constitute one sound-producing unit, and the second sound-producing unit and the second diaphragm constitute another sound-producing unit. The first sound output unit is also installed on the second frame.

2. The dual-cavity speaker according to claim 1, characterized in that, The notch gradually increases in size along the direction closer to the sound-emitting end face, and both the first and second sound-emitting channels gradually increase in size along the direction closer to the sound-emitting end face.

3. The dual-cavity speaker according to claim 1, characterized in that, The second frame is movably installed inside the notch.

4. The dual-cavity speaker according to claim 1, characterized in that, The first frame includes a left connecting plate, a left inclined plate, a horizontal plate, a right inclined plate, and a right connecting plate connected together in sequence. The left connecting plate is connected to the left inner wall of the enclosure, and the right connecting plate is connected to the right inner wall of the enclosure. The horizontal plate is parallel to and spaced apart from the side wall at the rear end of the enclosure, dividing the inner cavity of the enclosure into two sub-cavities. The two sub-cavities are interconnected, and the first sound unit and the second sound unit are located in one sub-cavity respectively.

5. The dual-cavity speaker according to claim 4, characterized in that, The second frame includes a left partition, a horizontal partition, a right partition, and a panel connected end to end. The left partition, the horizontal partition, the right partition, and the panel enclose an internal space. The first sound unit is installed in the internal space, and one end of the first sound unit is embedded in the panel.

6. The dual-cavity speaker according to claim 5, characterized in that, The panel is installed vertically inside the cabinet cavity and located on the sound output end face.

7. The dual-cavity speaker according to claim 5, characterized in that, The first frame has a first through hole in its horizontal plate, and the second frame has a second through hole in its horizontal partition. The first through hole is connected to the two sub-cavities and the second through hole, and the second through hole is connected to the internal space.

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