Coaxial three-drive horn

Abstract

The utility model belongs to the technical field of loudspeaker, especially same axis three drive loudspeaker, including from below to above in proper order stack's first support, second support and third support, the top of first support is equipped with first cavity, be equipped with bass drive assembly in first cavity, second support is equipped with with bass drive assembly coaxial arrangement second cavity, and first sound output structure is arranged around second cavity's side, be equipped with medium tone drive assembly in second cavity, third support is equipped with with medium tone drive assembly coaxial arrangement's third cavity, and second sound output structure is arranged around third cavity's side, be equipped with treble drive assembly in third cavity. Utilize the stack structure of first support, second support and third support respectively for bass drive assembly, medium tone drive assembly and high pitch sound output component provides independent assembly cavity, to reduce the influence of resonance to tone quality, makes up the defect that traditional three frequency loudspeaker audio difference is big.

Description

Technical Field

[0001] This utility model belongs to the field of loudspeaker technology, and particularly relates to a coaxial three-drive loudspeaker. Background Technology

[0002] A loudspeaker is a transducer that converts electrical signals into sound signals.

[0003] In the existing technology, because the drivers of three speakers are located in the same cavity, the audio resonates, resulting in a large difference in the output frequency of the speakers. Utility Model Content

[0004] The purpose of this invention is to provide a coaxial three-drive horn, which aims to solve the technical problems in the prior art.

[0005] To achieve the above objectives, the coaxial three-drive speaker provided in this embodiment includes a first support, a second support, and a third support stacked sequentially from bottom to top. The top of the first support is provided with a first cavity, and a bass drive component is provided in the first cavity. The second support is provided with a second cavity coaxially arranged with the bass drive component and a first sound outlet structure surrounding the side of the second cavity. A midrange drive component is provided in the second cavity. The third support is provided with a third cavity coaxially arranged with the midrange drive component and a second sound outlet structure surrounding the side of the third cavity. A tweeter drive component is provided in the third cavity.

[0006] Optionally, the top edge of the first bracket is provided with a first annular protrusion, and the bottom side of the second bracket is provided with a first annular groove that engages with the first annular protrusion.

[0007] Optionally, the top edge of the second cavity is provided with a second annular protrusion, and the bottom side of the third bracket is adapted to the second annular protrusion.

[0008] Optionally, the first sound-emitting structure is a plurality of first through holes arranged around the second bracket.

[0009] Optionally, the second sound-emitting structure is a plurality of second through holes arranged around the third bracket.

[0010] Optionally, it also includes an end cap, which covers the top of the third cavity and has a third sound output structure.

[0011] Optionally, the third sound-emitting structure is a plurality of third through holes arranged around the end cap.

[0012] Optionally, the tweeter drive assembly includes a tweeter magnet, a tweeter washer, a tweeter U-cup, and a tweeter diaphragm. The tweeter magnet and the tweeter U-cup are coaxially disposed in the third cavity and leave a third annular gap. The tweeter washer is stacked on top of the tweeter magnet. The inner side of the tweeter diaphragm is provided with a tweeter voice coil that can be inserted into the third annular gap, and the outer side is provided with a third adhesive piece. The end cap has a third step corresponding to the third adhesive piece.

[0013] Optionally, the midrange driver assembly includes a midrange magnet, a midrange washer, a midrange U-cup, and a midrange diaphragm. The midrange magnet and the midrange U-cup are coaxially disposed in the second cavity and leave a second annular gap. The midrange washer is stacked on top of the midrange magnet. The inner side of the midrange diaphragm is provided with a midrange voice coil that can be inserted into the second annular gap, and the outer side is provided with a second adhesive piece. The second bracket has a second step corresponding to the second adhesive piece.

[0014] Optionally, the bass drive assembly includes a bass magnet, a bass washer, a bass U-cup, and a bass diaphragm. The bass magnet and the bass U-cup are coaxially disposed in the first cavity and have a first annular gap. The bass washer is stacked on top of the bass magnet. The bass diaphragm has a bass voice coil that can be inserted into the first annular gap on its inner side and a first adhesive piece on its outer side. The first bracket has a first step corresponding to the first adhesive piece.

[0015] The coaxial three-drive speaker provided in this utility model embodiment has at least one of the following technical effects: the stacked structure of the first bracket, the second bracket and the third bracket provides independent assembly cavities for the bass drive component, the midrange drive component and the treble output component respectively, so as to reduce the impact of resonance on sound quality and make up for the defect of large audio drop in traditional three-frequency speakers. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the structure of a coaxial three-drive horn provided for an embodiment of this utility model.

[0018] Figure 2 for Figure 1 A schematic diagram of the longitudinal section.

[0019] The following are the labeling elements in the figure:

[0020] 1—First support; 11—First cavity; 12—First annular protrusion

[0021] 13—First Step

[0022] 2—Second support; 21—Second cavity; 22—First sound output structure

[0023] 23—First annular groove 24—Second annular protrusion 25—Second step

[0024] 3—Third support; 31—Third cavity; 32—Second sound outlet structure

[0025] 33—End cap; 331—Third step; 332—Third sound outlet structure

[0026] 4—Bass Driver Components 41—Bass Magnet 42—Bass Wasser

[0027] 43—Bass U-cup; 44—Bass Diaphragm; 441—First Adhesive Sheet

[0028] 45—Bass Voice Coil

[0029] 5—Midrange Driver Component; 51—Midrange Magnet; 52—Midrange Washer

[0030] 53—Midrange U-cup; 54—Midrange diaphragm; 541—Second bonding sheet

[0031] 55—Middle Voice Coil

[0032] 6—Tweeter driver assembly; 61—Tweeter magnet; 62—Tweeter washer

[0033] 63—Tweeter U-cup; 64—Tweeter diaphragm; 641—Third bonding sheet

[0034] 65—High-pitched voice coil. Detailed Implementation

[0035] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0036] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0039] In one embodiment of this utility model, such as Figures 1-2 As shown, a coaxial three-drive speaker is provided, including a first bracket 1, a second bracket 2, and a third bracket 3 stacked sequentially from bottom to top. The top of the first bracket 1 has a first cavity 11, which houses a bass drive assembly 4. The second bracket 2 has a second cavity 21 coaxially arranged with the bass drive assembly 4, and a first sound outlet structure 22 surrounding the side of the second cavity 21. The second cavity 21 houses a midrange drive assembly 5. The third bracket 3 has a third cavity 31 coaxially arranged with the midrange drive assembly 5, and a second sound outlet structure 32 surrounding the side of the third cavity 31. The third cavity 31 houses a tweeter drive assembly 6. The stacked structure of the first bracket 1, second bracket 2, and third bracket 3 provides independent mounting cavities for the bass drive assembly 4, midrange drive assembly 5, and tweeter sound outlet assembly, respectively, to reduce the impact of resonance on sound quality and compensate for the large audio drop of traditional three-frequency speakers.

[0040] In one embodiment of this utility model, such as Figures 1-2As shown, the top edge of the first bracket 1 is provided with a first annular protrusion 12, and the bottom edge of the second bracket 2 is provided with a first annular groove 23 that engages with the first annular protrusion 12. Specifically, the first annular protrusion 12 is bonded and fixed to the first annular groove 23 with adhesive.

[0041] In one embodiment of this utility model, such as Figures 1-2 As shown, the top edge of the second cavity 21 is provided with a second annular protrusion 24, and the bottom side of the third bracket 3 is adapted to the second annular protrusion 24. Specifically, the bottom side of the third bracket 3 is bonded and fixed to the inner wall of the second annular protrusion 24 with adhesive.

[0042] In one embodiment of this utility model, such as Figures 1-2 As shown, the first sound-emitting structure 22 consists of a plurality of first through holes arranged around the second bracket 2. Specifically, the sound of the bass drive assembly 4 is diffused to the outside through the first through holes.

[0043] In one embodiment of this utility model, such as Figures 1-2 As shown, the second sound-emitting structure 32 consists of several second through holes arranged around the third bracket 3. Specifically, the sound from the midrange driver component 5 diffuses to the outside through the second through holes.

[0044] In one embodiment of this utility model, such as Figures 1-2 As shown, it also includes an end cap 33, which covers the top of the third cavity 31 and has a third sound outlet structure 332. Specifically, the edge of the end cap 33 is glued to the inner wall of the third cavity 31.

[0045] In one embodiment of this utility model, such as Figures 1-2 As shown, the third sound output structure 332 consists of a plurality of third through holes arranged around the end cap 33. Specifically, the sound from the tweeter component diffuses to the outside through the third through holes.

[0046] In one embodiment of this utility model, such as Figures 1-2 As shown, the tweeter drive assembly 6 includes a tweeter magnet 61, a tweeter washer 62, a tweeter U-cup 63, and a tweeter diaphragm 64. The tweeter magnet 61 and the tweeter U-cup 63 are coaxially disposed in the third cavity 31, with a third annular gap. The tweeter washer 62 is stacked on top of the tweeter magnet 61. The inner side of the tweeter diaphragm 64 is provided with a tweeter voice coil 65 that can be inserted into the third annular gap, and the outer side is provided with a third adhesive piece 641. The end cap 33 has a third step 331 corresponding to the third adhesive piece 641. Specifically, the third adhesive piece 641 is glued and fixed to the third step 331.

[0047] In one embodiment of this utility model, such as Figures 1-2 As shown, the midrange driver assembly 5 includes a midrange magnet 51, a midrange washer 52, a midrange U-cup 53, and a midrange diaphragm 54. The midrange magnet 51 and the midrange U-cup 53 are coaxially disposed in the second cavity 21, with a second annular gap. The midrange washer 52 is stacked on top of the midrange magnet 51. The inner side of the midrange diaphragm 54 is provided with a midrange voice coil 55 that can be inserted into the second annular gap, and the outer side is provided with a second adhesive piece 541. The second bracket 2 has a second step 25 corresponding to the second adhesive piece 541. Specifically, the second adhesive piece 541 is glued and fixed to the second step 25.

[0048] In one embodiment of this utility model, such as Figures 1-2 As shown, the bass drive assembly 4 includes a bass magnet 41, a bass washer 42, a bass U-cup 43, and a bass diaphragm 44. The bass magnet 41 and the bass U-cup 43 are coaxially disposed in the first cavity 11, with a first annular gap. The bass washer 42 is stacked on top of the bass magnet 41. The bass diaphragm 44 has a bass voice coil 45 on its inner side that can be inserted into the first annular gap, and a first adhesive piece 441 on its outer side. The first bracket 1 has a first step 13 corresponding to the first adhesive piece 441. Specifically, the first adhesive piece 441 is glued and fixed to the first step 13.

[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coaxial three-drive horn, characterized in that: The device includes a first support, a second support, and a third support stacked sequentially from bottom to top. The top of the first support has a first cavity, and the first cavity contains a bass drive component. The second support has a second cavity coaxially arranged with the bass drive component and a first sound outlet structure surrounding the side of the second cavity. The second cavity contains a midrange drive component. The third support has a third cavity coaxially arranged with the midrange drive component and a second sound outlet structure surrounding the side of the third cavity. The third cavity contains a treble drive component.

2. The coaxial three-drive horn according to claim 1, characterized in that: The top edge of the first bracket is provided with a first annular protrusion, and the bottom side of the second bracket is provided with a first annular groove that engages with the first annular protrusion.

3. The coaxial three-drive horn according to claim 1, characterized in that: The top edge of the second cavity is provided with a second annular protrusion, and the bottom side of the third bracket is adapted to the second annular protrusion.

4. The coaxial three-drive horn according to claim 1, characterized in that: The first sound-emitting structure consists of several first through holes arranged in a ring around the second bracket.

5. The coaxial three-drive horn according to claim 1, characterized in that: The second sound-emitting structure consists of several second through holes arranged around the third support.

6. The coaxial three-drive horn according to claim 1, characterized in that: It also includes an end cap, which is sealed on the top of the third cavity and has a third sound outlet structure.

7. The coaxial three-drive horn according to claim 6, characterized in that: The third sound-emitting structure consists of several third through holes arranged around the end cap.

8. The coaxial three-drive horn according to claim 6, characterized in that: The tweeter drive assembly includes a tweeter magnet, a tweeter washer, a tweeter U-cup, and a tweeter diaphragm. The tweeter magnet and the tweeter U-cup are coaxially disposed in the third cavity and leave a third annular gap. The tweeter washer is stacked on top of the tweeter magnet. The inner side of the tweeter diaphragm is provided with a tweeter voice coil that can be inserted into the third annular gap, and the outer side is provided with a third adhesive piece. The end cap has a third step corresponding to the third adhesive piece.

9. The coaxial three-drive horn according to claim 1, characterized in that: The midrange driver assembly includes a midrange magnet, a midrange washer, a midrange U-cup, and a midrange diaphragm. The midrange magnet and the midrange U-cup are coaxially disposed in the second cavity and leave a second annular gap. The midrange washer is stacked on top of the midrange magnet. The inner side of the midrange diaphragm is provided with a midrange voice coil that can be inserted into the second annular gap, and the outer side is provided with a second adhesive piece. The second bracket has a second step corresponding to the second adhesive piece.

10. The coaxial three-drive horn according to claim 1, characterized in that: The bass drive assembly includes a bass magnet, a bass washer, a bass U-cup, and a bass diaphragm. The bass magnet and the bass U-cup are coaxially disposed in the first cavity and leave a first annular gap. The bass washer is stacked on top of the bass magnet. The inner side of the bass diaphragm is provided with a bass voice coil that can be inserted into the first annular gap, and the outer side is provided with a first adhesive piece. The first bracket has a first step corresponding to the first adhesive piece.

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