CN211792020U - A loudspeaker and sound device - Google Patents

Abstract

The utility model discloses a loudspeaker and audio equipment belongs to loudspeaker technical field, and loudspeaker include: a housing having an opening; the magnetic circuit component is arranged in the shell and comprises a U-shaped iron and a magnet arranged in the U-shaped iron, and a voice coil movable position is formed between the magnet and the inner wall of the U-shaped iron; the vibration component is configured to vibrate relative to the magnetic circuit component to generate sound, the vibration component comprises a vibrating diaphragm, a voice coil and a folding ring, one circumferential outer edge of one end of the voice coil is connected to one side, close to the magnetic circuit component, of the outer edge of the vibrating diaphragm, the outer wall of the voice coil and/or the outer edge of the vibrating diaphragm are/is movably arranged at the opening of the shell or in the shell close to the opening through the folding ring, and one end, far away from the vibrating diaphragm, of the voice coil extends into a movable position; wherein a cavity is formed between the magnetic circuit component and/or the vibration component and the inner wall of the shell. The utility model discloses a loudspeaker, tone quality is good, and sound is concentrated relatively, and it is effectual to draw in the sound, and the mediant is more outstanding, and sound is true three-dimensional more.

Description

A loudspeaker and sound device

technical field

The utility model relates to the technical field of loudspeakers, in particular to a loudspeaker and a sound device.

Background technique

A horn (also known as a loudspeaker) is a conversion device that converts electrical energy into sound. When different electronic energy is transmitted to the coil, the coil generates an energy that interacts with the magnetic field of the magnet. This interaction causes the diaphragm to vibrate because the electronic energy At any time, the coil of the speaker will move forward or backward, so the diaphragm of the speaker will follow the movement, and this action will change the density of the air to produce sound.

The horn usually includes a basin frame, a folding ring, a diaphragm (also known as a sound cone or a paper cone), a voice coil, a spring wave, a magnet, etc., through the joint action of the folding ring, the diaphragm, the spring wave, the voice coil and the magnet, the speaker is realized. pronunciation function. Among them, the diaphragm is often in the shape of a horn with a large end and a small end, the upper circumferential edge of the voice coil is often fixed with the small end edge of the diaphragm (ie, the bottom of the diaphragm), and the voice coil is in contact with the diaphragm. The junction is often connected to the basin frame by elastic waves, and the small ends of the voice coil and the diaphragm are limited and supported by the elastic waves, and the small end of the diaphragm is driven to vibrate by the movement of the voice coil relative to the magnet, which in turn drives the diaphragm. Vibrate sound. However, the horn with this structure has a complex structure, and the driving force of the voice coil must be conducted from the small end of the diaphragm (the cone bottom of the diaphragm) to the large end of the diaphragm (or the suspension edge of the diaphragm), resulting in the small end of the diaphragm and the diaphragm. There will be a time difference of vibration between the big ends, which is easy to form a sound dislocation effect, which affects the sound effect, and the sound wave radiates from the small end to the big end of the diaphragm and radiates from the inside to the outside, and the sound diverges, resulting in an unsatisfactory sound quality. At the same time, the speaker with this structure has a large sound diffusion, the sound is not real enough, the sound quality is poor, and the midrange is not prominent.

Utility model content

The main purpose of the present utility model is to provide a speaker and a sound device, so as to solve the problem that the unreasonable cooperation design of the voice coil and the diaphragm of the speaker in the prior art leads to obvious sound dislocation effect and sound wave divergence and radiation, which affects the sound quality of the speaker, and the existing The technical problem of loud speaker sound diffusion, poor sound quality and inconspicuous midrange.

In order to achieve the above object, according to an aspect of the present invention, a horn is provided, the horn includes: a casing with an opening; a magnetic circuit assembly disposed inside the casing, and the magnetic circuit assembly includes a U-shaped an iron and a magnet arranged inside the U-shaped iron, a voice coil active position is formed between the magnet and the inner wall of the U-shaped iron; the vibration component is configured to vibrate relative to the magnetic circuit component to emit sound, The vibrating assembly includes a vibrating membrane, a voice coil and a folding ring. One end of the voice coil is connected to the outer edge of the vibrating membrane along the outer edge of the voice coil and is close to the side of the magnetic circuit assembly. The outer wall of the voice coil is And/or the outer edge of the diaphragm is movably arranged at the opening of the casing through the folding ring or the inner part of the casing is close to the opening, and the end of the voice coil away from the diaphragm extends. into the active position of the voice coil; wherein, a cavity is formed between the magnetic circuit assembly and/or the vibration assembly and the inner wall of the housing.

In one embodiment, a first vent hole is provided on the side wall of the voice coil close to the diaphragm, so that the gas inside the voice coil passes through the first vent hole and the gas outside the voice coil Connected.

In one embodiment, the horn further includes a pot frame, the pot frame extends into the interior of the casing from the opening of the casing, and an outer edge of one end of the pot frame is disposed at the opening of the casing; Wherein, the magnetic circuit assembly is disposed on the side of the basin frame away from the opening, and the vibration assembly is disposed on the side of the basin frame close to the opening.

In one embodiment, a second ventilation hole is provided on the side wall of the basin frame, so that the gas inside the basin frame communicates with the gas in the cavity through the second ventilation hole.

In one embodiment, a third ventilation hole is formed between the inner wall of the basin frame and the outer wall of the U-shaped iron, so that the gas inside the basin frame can pass through the third ventilation hole and the cavity. gas communication in.

In one embodiment, the U-shaped iron is connected to the inner wall of the housing through a connecting portion; the outer wall of the voice coil and/or the outer edge of the diaphragm is connected to the housing through the folded ring .

In one embodiment, the outer wall of the housing is provided with external threads.

In one embodiment, the horn further includes a locking ring, the inner wall of which is provided with an inner thread, and the locking ring is matched with the outer thread of the casing through the inner thread; wherein, the casing is close to the outer thread of the casing. A flange is provided at the opening, and a clamping position is formed between the locking ring and the flange.

In one embodiment, the diaphragm is recessed to the inside of the voice coil; or the diaphragm is arched to a side away from the voice coil; or the diaphragm is flat.

According to another aspect of the present invention, an audio device is provided, the audio device comprising: a casing on which a cavity is arranged; the speaker according to any one of the above, which extends into the interior of the cavity installed on the housing.

Compared with the prior art, the beneficial effects of the present utility model are:

1. A kind of loudspeaker provided by the present utility model, by setting a casing, and setting a magnetic circuit assembly in the casing, a vibration assembly is arranged inside the casing or its opening, and the magnetic circuit assembly and/or the vibration assembly and the inner wall of the casing are connected. A cavity is formed between them, so that when the vibrating component moves relative to the magnetic circuit component to make a sound, resonance can be formed in the cavity, which effectively improves the sound quality, and the sound is relatively concentrated in the cavity, the sound collection effect is good, and the alto It is more prominent, and when the vibrating component vibrates and emits sound, the sound waves are reflected and reverberated on the inner wall of the casing in the cavity, which effectively improves the sound effect and makes the sound more realistic and three-dimensional.

2. A horn provided by the present utility model is provided with a vibrating assembly including a vibrating membrane, a voice coil, and a folding ring, and one end of the voice coil is connected to the outer edge of the vibrating membrane on the outer edge of the outer edge of the voice coil, which is close to the side of the magnetic circuit assembly, When the voice coil vibrates relative to the magnetic circuit assembly, the voice coil directly drives the entire vibrating membrane to vibrate through the outer edge of the vibrating membrane, effectively reducing the sound dislocation effect, thereby improving the sound quality, and no elastic wave is required, which simplifies the structure. At the same time, the voice coil drives the outer edge of the diaphragm to vibrate to make the diaphragm vibrate, and the sound waves are concentrated from the outer edge of the diaphragm toward the center, which is conducive to concentrating on a certain point in the space where the diaphragm is located, and the sound is concentrated, making the sound more realistic and three-dimensional. , effectively improve the sound quality.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention.

In the attached image:

Fig. 1 is the structural representation of the horn provided in the specific embodiment of the present invention;

Fig. 2 is the structural representation of the horn after removing the casing provided in the specific embodiment of the present utility model;

3 is a schematic structural diagram of a vibration assembly provided in a specific embodiment of the present invention;

Fig. 4 is the front view structure schematic diagram of the basin frame provided in the specific embodiment of the present utility model;

Fig. 5 is the bottom view structure schematic diagram of the basin frame provided in the specific embodiment of the present utility model;

Fig. 6 is the bottom view structure diagram of the basin frame of another embodiment provided in the specific embodiment of the present utility model;

Fig. 7 is the front view structure schematic diagram of the basin frame in Fig. 6 provided in the specific embodiment of the present utility model;

Fig. 8 is the bottom view structure diagram of the basin frame according to still another embodiment provided in the specific embodiment of the present utility model;

Fig. 9 is the front view structure schematic diagram of the basin frame in Fig. 8 provided in the specific embodiment of the present utility model;

10 is a schematic structural diagram of a housing provided in a specific embodiment of the present invention;

Fig. 11 is the bottom view structure schematic diagram of the shell provided in the specific embodiment of the present invention;

12 is a schematic structural diagram of a locking ring provided in a specific embodiment of the present invention;

Fig. 13 is the installation schematic diagram of the horn provided in the specific embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a horn provided by Embodiment 2 in the specific embodiment of the present invention.

In the picture:

100, horn; 10, shell; 101, opening; 20, magnetic circuit assembly; 21, U-shaped iron; 22, magnet; 23, movable position of voice coil; 24, Washer; 30, vibration assembly; 31, diaphragm; 32, voice coil; 320, coil; 33, folding ring; 330, fixed edge; 102, cavity; 321, first vent hole; 40, basin frame; 401, second vent hole; 402, third vent hole; 403, protruding part; 404, basin frame flange; 50, connecting part; 60, locking ring; 601, internal thread; 103, external thread; 104, flange; 105, clamping position; 106, wire through hole ; 01. The body to be installed.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present utility model, unless otherwise stated, the directional words used such as "up and down" are usually for the direction shown in the drawings, or for the vertical, vertical or gravity direction. Similarly, for the convenience of understanding and description, "left and right" usually refer to the left and right shown in the drawings; "inner and outer" refer to the inner and outer relative to the outline of each component itself, but the above Orientation words are not used to limit the present invention.

In addition, descriptions such as "first", "second", etc. in the present invention are only used for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In order to solve the technical problems in the prior art that the unreasonable cooperation design of the voice coil and the diaphragm of the loudspeaker leads to obvious sound dislocation effect and the sound wave divergence and radiation affects the sound quality of the loudspeaker, as well as the existing loudspeaker has large sound diffusion, poor sound quality and inconspicuous midrange. , the application provides a speaker and a sound device.

The present utility model will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in FIG. 1 and FIG. 2 , this embodiment provides a horn. The horn 100 includes a housing 10 , a magnetic circuit assembly 20 and a vibration assembly 30 .

As shown in FIGS. 10 and 11 , the casing 10 has an opening 101 , and the interior of the casing 10 is hollow. The housing 10 may have a cylindrical shape with one end closed and one end having an opening 101 . The inner space of the casing 10 is larger than the magnetic circuit assembly 20 and the vibration assembly 30 , and the casing 10 can be formed between the inner wall of the casing 10 and the magnetic circuit assembly 20 and/or the vibration assembly 30 after accommodating the magnetic circuit assembly 20 and the vibration assembly 30 There is a cavity 102 . A wire through hole 106 is provided on the bottom wall or side wall of the housing 10 for the wires at both ends of the coil of the vibration assembly 30 to be drawn out.

The magnetic circuit assembly 20 is arranged inside the casing 10 , and the magnetic circuit assembly 20 includes a U-shaped iron 21 and a magnet 22 disposed inside the U-shaped iron 21 . A voice coil movable position 23 is formed between the magnet 22 and the inner wall of the U-shaped iron 21 . , for the voice coil to move up and down. The magnetic circuit assembly 20 further includes a washer 24 , the washer 24 is disposed on the upper surface of the magnet 22 , and the magnet 22 is located between the washer 24 and the U-shaped iron 21 .

As shown in FIG. 2 and FIG. 3 , the vibration assembly 30 is configured to vibrate relative to the magnetic circuit assembly 20 to generate sound. The vibration assembly 30 includes a diaphragm 31 , a voice coil 32 and a ring 33 , and one end of the voice coil 32 is fixed to the outer edge. Connected to the side of the outer edge of the diaphragm 31 close to the magnetic circuit assembly 20 , the outer wall of the voice coil 32 and/or the outer edge of the diaphragm 31 is movably disposed at the opening 101 of the casing 10 or the casing 10 through the folding ring 33 The inside of the voice coil 32 is close to the opening 101, the end of the voice coil 32 away from the diaphragm 31 extends into the voice coil movable position 23, the outer wall of the voice coil 32 located in the voice coil movable position 23 is provided with a coil 320, and both ends of the coil 320 pass through The wires are led to the outside of the housing 10 . A cavity 102 is formed between the magnetic circuit assembly 20 and/or the vibration assembly 30 and the inner wall of the housing 10 . The diaphragm 31 may be recessed into the interior of the voice coil 32 , the diaphragm 31 may also be arched to a side away from the voice coil 32 , and the diaphragm 31 may also be in the shape of a flat plate.

It can be seen from the above that a speaker provided in this embodiment is provided with a casing 10, a magnetic circuit assembly 20 is arranged in the casing 10, a vibration assembly 30 is arranged inside the casing 10 or at its opening, and the magnetic circuit assembly 20 and/or Or a cavity 102 is formed between the vibration component 30 and the inner wall of the housing 10, so that when the voice coil 32 moves up and down in the voice coil active position 23 to drive the diaphragm 31 to vibrate and sound, resonance can be formed in the cavity 102, effectively The sound quality is improved, and the sound is relatively concentrated in the cavity 102, the sound collection effect is good, and the mid-tone is more prominent, and when the vibration component 30 vibrates and emits sound, the sound waves are reflected and reverberated on the inner wall of the casing 10 in the cavity 102, which can effectively Improve the sound effect to make the sound more realistic and three-dimensional. At the same time, the present embodiment provides a speaker, by setting the vibration component 30 to include a diaphragm 31, a voice coil 32, and a folding ring 33, and one end of the voice coil 32 is connected to the outer edge of the diaphragm 31 on the outer edge of the diaphragm 31, close to the magnetic field. When the voice coil 32 vibrates relative to the magnetic circuit assembly 20, the voice coil 32 directly drives the entire vibration of the diaphragm 31 through the outer edge of the diaphragm 31, effectively reducing the sound dislocation effect, thereby improving the sound quality , and there is no need to set elastic waves, which simplifies the structure. At the same time, the voice coil 32 drives the outer edge of the diaphragm 31 to vibrate to make the diaphragm 31 vibrate, and the sound waves are gathered from the outer edge of the diaphragm 31 toward the center, which is conducive to concentrating on a certain point in the space where the diaphragm 31 is located, and the sound is concentrated, Make the sound more realistic and three-dimensional, effectively improve the sound quality.

In order to improve the response speed of the voice coil 32 when it vibrates, so as to improve the flexibility of the voice coil 32 when it vibrates, further, a first vent hole 321 is provided on the side wall of the voice coil 32 close to the diaphragm 31, so that the interior of the voice coil 32 is provided with a first vent hole 321. The gas communicated with the gas outside the voice coil 32 through the first vent hole 321 . When the voice coil 32 moves up and down in the voice coil movable position 23, it drives the diaphragm 31 to vibrate up and down relative to the magnet, so that the gas inside the voice coil 32 is compressed or drawn in. When the diaphragm 31 moves in the direction of the magnet 22, the sound The gas inside the coil 32 is pressurized and can be quickly discharged to the outside of the voice coil 32 through the first vent hole 321. When the diaphragm 31 moves away from the magnet 22, the gas outside the voice coil 32 can quickly enter the sound through the first vent hole 321. The inside of the coil 32 can prevent the diaphragm 31 from being affected by the internal air pressure when it vibrates relative to the magnet and cannot vibrate quickly and thus affect the sound quality. flexibility.

As shown in FIG. 1 , FIG. 4 and FIG. 5 , in order to facilitate the installation and fixation of the magnetic circuit assembly 20 and the vibration assembly 30 , further, the speaker further includes a basin frame 40 , and the basin frame 40 extends into the casing 10 from the opening 101 of the casing 10 . and the outer edge of one end of the basin frame 40 is disposed at the opening 101 of the casing 10 . The magnetic circuit assembly 20 is disposed on the side of the pot frame 40 away from the opening 101 , and the vibration assembly 30 is disposed on the side of the pot frame 40 close to the opening 101 .

Further, the inner wall of the basin frame 40 is provided with a protruding portion 403. When the U-shaped iron 21 is inserted from the bottom to the top from the lower end of the basin frame 40, the upper edge of the U-shaped iron 21 touches the protruding portion 403. The positioning and installation of the U-shaped iron 21 is realized. The protruding portion 403 may be an annular protruding portion disposed along the circumference of the inner wall of the basin frame 40 , or may be multiple arc-shaped bulging portions or multiple convex points disposed along the circumference of the inner wall of the basin frame 40 .

Further, the upper end of the basin frame 40 is provided with a basin frame flange 404, and the basin frame 40 is fixed to the inner flange of the casing 10 at the opening 101 through the basin frame flange 404. For example, the basin frame can be protruded by glue. The lip 404 is fixed to the flange of the housing 10 on the inside of the opening 101 . The fixing edge 330 of the outer edge of the folding ring 33 is fixed on the basin frame flange 404 of the basin frame 40. For example, the fixing edge 330 of the outer edge of the folding ring 33 can be fixed to the basin frame flange of the basin frame 40 by adhesive. 404, the inner side of the folding ring 33 is fixed with the upper outer wall of the voice coil 32 or the outer edge of the diaphragm 31 to elastically support the diaphragm 31 and the voice coil 32 and make the diaphragm 31 and the voice coil 32 vibrate up and down.

In order to further improve the vibration flexibility and rapidity of the voice coil 32 and the diaphragm 31, further, at least one second ventilation hole 401 is provided on the side wall of the basin frame 40, so that the gas inside the basin frame 40 can pass through the first ventilation hole 401. The second vent hole 401 communicates with the gas in the cavity 102 . When the voice coil 32 moves up and down in the voice coil movable position 23, the diaphragm 31 and the folding ring 33 are driven to vibrate up and down relative to the magnet, so that the gas inside the voice coil 32 is compressed or drawn in, and the voice coil and the basin frame are made to vibrate up and down. The gas between 40 is compressed or drawn in. When the diaphragm 31 and the folding ring 33 move toward the magnet 22 , the gas inside the voice coil 32 is pressurized and can be quickly discharged between the voice coil and the basin frame 40 through the first vent hole 321 . The gas in between can be quickly discharged into the cavity 102 through the second ventilation hole 401 . When the diaphragm 31 and the folded ring 33 move away from the magnet 22 , the gas in the cavity 102 can quickly pass through the second ventilation hole 401 . Entering between the voice coil and the basin frame 40, the gas between the voice coil and the basin frame 40 can quickly enter the inside of the voice coil 32 through the first vent hole 321, thereby preventing the diaphragm 31 and the folding ring 33 from being affected when they vibrate relative to the magnet. Due to the influence of different air pressures inside and outside, it cannot vibrate quickly and affect the sound quality. The setting of the second vent hole 401 can make the voice coil 32 vibrate up and down more rapidly, and effectively improve the flexibility of the voice coil 32 to vibrate.

As shown in FIG. 8 and FIG. 9 , it should be noted that the second ventilation hole 401 can also pass through the lower end of the side wall of the basin frame 40 along the axial direction of the basin frame 40 , that is, the side wall of the basin frame 40 is divided into at least two parts.

As shown in Fig. 6 and Fig. 7 , it should be noted that the structural arrangement of the second vent hole 401 on the basin frame 40 is not limited to this. Optionally, a third ventilation hole 402 is formed between the inner wall of the basin frame 40 and the outer wall of the U-shaped iron 21, so that the gas inside the basin frame 40 communicates with the gas in the cavity 102 through the third ventilation hole 402, That is, the inner wall of the pot frame 40 is partially protruded or arched in the direction away from the magnet, or the inner wall is provided with a groove, so that the third ventilation hole 402 is formed between the inner wall of the pot frame 40 and the outer wall of the U-shaped iron 21, That is, it is not necessary to provide the second ventilation hole 401 on the side wall of the basin frame 40 , that is, the second ventilation hole 401 is replaced by the third ventilation hole 402 .

In order to facilitate the disassembly, installation and fixation of the horn, further, the outer wall of the housing 10 is provided with an external thread 103 . Through the external thread 103, the horn can be screwed into the component to be installed, and the installation and disassembly are convenient.

As shown in Figure 10, Figure 12, Figure 13, further, the horn 100 further includes a locking ring 60, the inner wall of which is provided with an inner thread 601, and the locking ring 60 is matched with the outer thread 103 of the housing 10 through the inner thread 601. Wherein, a flange 104 is provided on the housing 10 near the opening 101, and a clamping position 105 is formed between the locking ring 60 and the flange 104. After inserting the horn 100 into the through hole of the body to be installed 01 (such as a plate body or a housing), screw the locking ring 60 on the outer wall of the housing 10 , and then rotate the locking ring 60 to clamp the body to be installed. The installation of the speaker 100 can be completed by tightening between the flange 104 and the locking ring 60 , and the installation and removal are extremely convenient.

Example 2

In the first embodiment, the magnetic circuit assembly 20 and the vibration assembly 30 are installed and fixed through the pot frame 40 , and then the pot frame 40 is fixed on the casing 10 . The difference between embodiment 2 and embodiment 1 is:

As shown in FIG. 14 , the U-shaped iron 21 is connected to the inner wall of the housing 10 through the connecting portion 50 . For example, the connecting portion 50 can be fixed to the outer wall of the U-shaped iron 21 , and the U-shaped iron 21 can be attached to the U-shaped iron 21 by bonding or clamping. The connecting part 50 on the outer wall of the casing 10 is fixed to the inner wall of the casing 10 . The outer wall of the voice coil 32 and/or the outer edge of the diaphragm 31 is connected to the housing 10 through the folded ring 33 . By adopting the above arrangement, the basin frame 40 is not required, and the structure is simplified.

Example 3

This embodiment provides an audio device. The audio device includes a housing and the speaker 100 in any of the above embodiments. The housing is provided with a cavity, and the speaker 100 extends into the cavity and is mounted on the housing. Because the speaker in any of the above-mentioned embodiments is used in the audio device, it also has the beneficial effects brought about by the technical solution of the speaker in the above-mentioned embodiments, which will not be repeated here.

The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited to this, and any changes or replacements that are not thought of through creative work should be included within the protection scope of the present utility model. . Therefore, the protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (10)

1. A horn (100), characterized in that the horn (100) comprises:

a housing (10) having an opening (101);

the magnetic circuit assembly (20) is arranged inside the shell (10), the magnetic circuit assembly (20) comprises a U-shaped iron (21) and a magnet (22) arranged inside the U-shaped iron (21), and a voice coil movable position (23) is formed between the magnet (22) and the inner wall of the U-shaped iron (21);

a vibration component (30) configured to vibrate relative to the magnetic circuit component (20) to generate sound, wherein the vibration component (30) comprises a diaphragm (31), a voice coil (32) and a folded ring (33), one end of the voice coil (32) is connected to one side of the outer edge of the diaphragm (31) close to the magnetic circuit component (20) along the circumferential outer edge, the outer wall of the voice coil (32) and/or the outer edge of the diaphragm (31) are movably arranged at an opening (101) of the shell (10) or at a position close to the opening (101) inside the shell (10) through the folded ring (33), and one end of the voice coil (32) far away from the diaphragm (31) extends into the voice coil movable position (23);

wherein a cavity (102) is formed between the magnetic circuit component (20) and/or the vibration component (30) and an inner wall of the housing (10).

2. The horn of claim 1, wherein:

a first vent hole (321) is formed in the side wall, close to the diaphragm (31), of the voice coil (32), so that air inside the voice coil (32) is communicated with air outside the voice coil (32) through the first vent hole (321).

3. The horn of claim 1, further comprising:

the basin frame (40) extends into the shell (10) from the opening (101) of the shell (10), and the outer edge of one end of the basin frame (40) is arranged at the opening (101) of the shell (10);

the magnetic circuit component (20) is arranged on one side, far away from the opening (101), of the basin frame (40), and the vibration component (30) is arranged on one side, close to the opening (101), of the basin frame (40).

4. The horn of claim 3, wherein:

and a second vent hole (401) is formed in the side wall of the basin frame (40) so that the gas in the basin frame (40) is communicated with the gas in the cavity (102) through the second vent hole (401).

5. The horn of claim 3, wherein:

a third vent hole (402) is formed between the inner wall of the basin frame (40) and the outer wall of the U-shaped iron (21), so that the gas in the basin frame (40) is communicated with the gas in the cavity (102) through the third vent hole (402).

6. The horn of claim 1, wherein:

the U-shaped iron (21) is connected with the inner wall of the shell (10) through a connecting part (50);

the outer wall of the voice coil (32) and/or the outer edge of the diaphragm (31) are connected with the shell (10) through the corrugated rim (33).

7. The horn of claim 1, wherein:

the outer wall of the shell (10) is provided with an external thread (103).

8. The horn of claim 7, wherein the horn (100) further comprises:

a locking ring (60) provided with an internal thread (601) on an inner wall thereof, the locking ring (60) being engaged with the external thread (103) of the housing (10) through the internal thread (601);

wherein a flange (104) is arranged on the outer shell (10) near the opening (101), and a clamping position (105) is formed between the locking ring (60) and the flange (104).

9. The horn of any one of claims 1 to 8, wherein:

the diaphragm (31) is recessed into the voice coil (32), or

The diaphragm (31) is arched to a side away from the voice coil (32), or

The diaphragm (31) is flat.

10. An audio device, characterized in that the audio device comprises:

a housing having a cavity disposed thereon;

the horn (100) of any one of claims 1-9, which is mounted to the housing extending into the interior of the cavity.

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