Loudspeaker with multiple folding rings

Abstract

The utility model discloses a multi-fold-ring loudspeaker, which comprises a sounding main body, and the sounding main body comprises a support, the magnetic cover is arranged in the bracket; the first magnetic steel is arranged in the magnetic cover; the first pole piece is arranged on the first magnetic steel; the vibrating diaphragm is arranged at the upper end of the bracket; the voice coil is arranged around the first magnetic steel and is connected with the vibrating diaphragm; wherein an inner folding ring and an outer folding ring are arranged on the vibrating diaphragm in a protruding mode, the inner folding ring and the outer folding ring are arranged in a surrounding mode, the outer folding ring is arranged on the outer side of the inner folding ring, and a globe-roof diaphragm is arranged between the inner folding ring and the outer folding ring. According to the utility model, through a multi-folding ring structure, limited space is fully utilized, vibration balance is realized, shimmy can be effectively inhibited, higher displacement can be realized, and loudness can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a multi-fold ring loudspeaker. Background Art

[0002] Speakers are one of the important components of current electronic devices such as mobile phones. With the trend of electronic devices becoming thinner and lighter, the space available for speakers inside electronic devices is becoming increasingly limited. The current speaker structure, such as the tweeter disclosed in patent number CN219812255U, includes: a bracket; a magnetic circuit portion arranged in the bracket, the magnetic circuit portion includes a magnetic cover, a magnetic sheet and a pole piece arranged in sequence; a diaphragm arranged on the bracket, the diaphragm is provided with a dome membrane; a voice coil, the voice coil is connected to the diaphragm and extends into the gap between the magnetic sheet and the magnetic cover; wherein the magnetic cover includes a substrate and a plurality of support plates, the support plates are arranged at the four sides of the substrate, and the substrate is provided with a plurality of grooves on the end surface facing the magnetic sheet. The performance of the speaker of the above structure still has room for improvement, and due to space limitations, it is difficult to improve the performance of the above conventional structure, and there are shortcomings. Utility Model Content

[0003] The utility model provides a high-performance multi-fold ring speaker in order to avoid the deficiencies in the prior art.

[0004] The utility model solves the technical problem by adopting the following technical solution: a multi-fold ring speaker, including a sound-generating body, the sound-generating body includes:

[0005] Bracket;

[0006] A magnetic cover disposed in the bracket;

[0007] A first magnetic steel disposed in the magnetic cover;

[0008] A first pole piece disposed on the first magnetic steel;

[0009] A diaphragm disposed at the upper end of the bracket;

[0010] A voice coil disposed around the first magnetic steel and connected to the diaphragm;

[0011] Among them, the diaphragm is protrudingly provided with an inner fold ring and an outer fold ring, the inner fold ring and the outer fold ring are both arranged around, the outer fold ring is arranged outside the inner fold ring, and a spherical top membrane is arranged between the inner fold ring and the outer fold ring.

[0012] In several embodiments, a third magnetic steel is disposed on the first pole piece, and the position of the third magnetic steel corresponds to the position of the inner fold ring.

[0013] In several embodiments, a second magnetic steel is disposed on the first pole piece, the second magnetic steel is connected to the diaphragm, and the third magnetic steel is disposed around the outside of the second magnetic steel and has a distance between the third magnetic steel and the second magnetic steel.

[0014] In several embodiments, an opening is disposed in the middle of the diaphragm, the position of the opening corresponds to the position of the second magnetic steel, and the second magnetic steel covers the opening.

[0015] In several embodiments, a fourth magnetic steel is disposed on the second magnetic steel, and the fourth magnetic steel is disposed in the opening and protrudes above the diaphragm.

[0016] In several embodiments, the voice coil is disposed between the outer fold ring and the inner fold ring, and the position of the voice coil corresponds to the position of the dome membrane.

[0017] In several embodiments, an outer shell is further included, wherein the outer shell accommodates the sound-emitting body.

[0018] In several embodiments, a sound outlet is provided on the outer shell, and the diaphragm is exposed in the sound outlet.

[0019] The beneficial effects of the utility model are:

[0020] The utility model fully utilizes limited space through the multi-fold ring structure to achieve vibration balance, can effectively suppress swing vibration, can achieve higher displacement, and improve loudness.

[0021] The utility model realizes the enhancement of magnetic force through the multi-magnetic steel structure, and can enhance the loudness of the speaker.

[0022] The utility model can improve the rigidity through the annular distribution structure of the dome membrane, thereby effectively improving the high-frequency loudness. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0024] Figure 1 The forward structure of the sound-emitting body of the multi-fold ring speaker in Example 1 is schematically shown;

[0025] Figure 2 The back-facing structure of the sound-emitting body of the multi-fold ring speaker in Example 1 is schematically shown;

[0026] Figure 3 Schematically shows Figure 1 The cross-sectional structure of

[0027] Figure 4 Schematically shows Figure 1The amplification structure of the middle diaphragm;

[0028] Figure 5 Schematically shows Figure 3 The enlarged structure of the third magnetic steel;

[0029] Figure 6 The overall structure of the multi-fold loudspeaker in Example 1 is schematically shown. DETAILED DESCRIPTION

[0030] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0032] Example 1

[0033] like Figure 1-Figure 5 As shown, the multi-fold ring speaker provided in this embodiment is mainly composed of a sound-emitting body, which is mainly composed of a bracket 10, a magnetic cover 20 arranged in the bracket 10, a first magnetic steel 30 arranged in the magnetic cover 20, a first pole piece 40 arranged on the first magnetic steel 30, a diaphragm 50 arranged at the upper end of the bracket 10, and a voice coil 60 arranged around the first magnetic steel 30 and connected to the diaphragm 50, wherein an inner fold ring 51 and an outer fold ring 52 are protrudingly arranged on the diaphragm 50, and the inner fold ring 51 and the outer fold ring 52 are both arranged around to form an annular distribution structure, the outer fold ring 52 is arranged on the outside of the inner fold ring 51, and a dome membrane 100 is arranged between the inner fold ring 51 and the outer fold ring 52.

[0034] A third magnetic steel 70 is disposed on the first pole piece 40 , and the position of the third magnetic steel 70 corresponds to the position of the inner fold ring 51 .

[0035] Furthermore, a second magnetic steel 80 is disposed on the first pole piece 40 , and the second magnetic steel 80 is connected to the diaphragm 50 . The third magnetic steel 70 is disposed around the outside of the second magnetic steel 80 and there is a gap between the third magnetic steel 70 and the second magnetic steel 80 . The third magnetic steel 70 has an annular structure, which is consistent with the inner fold ring 51 .

[0036] In addition, an opening 53 is provided in the middle of the diaphragm 50, and the position of the opening 53 corresponds to the position of the second magnetic steel 80, and the second magnetic steel 80 covers the opening 53. Correspondingly, a fourth magnetic steel 90 is provided on the second magnetic steel 80, and the fourth magnetic steel 90 is arranged in the opening 53 and protrudes above the diaphragm 50.

[0037] Furthermore, the voice coil 60 is disposed between the outer fold ring 52 and the inner fold ring 51 , and the position of the voice coil 60 corresponds to the position of the dome membrane 100 .

[0038] Example 2

[0039] like Figure 6 As shown, in this embodiment, the multi-fold ring speaker also includes an outer shell 1, which accommodates the sound-emitting body in Example 1 to form a accommodating support structure, and a sound outlet 11 is provided on the outer shell 1, and the diaphragm 50 is exposed in the sound outlet 11, and at least the inner fold ring 51 and the outer fold ring 52 are exposed to the outside, so that the diaphragm 50 can make sound.

[0040] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.

[0041] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.

Claims

1. A multi-fold ring speaker, comprising a sound-generating body, characterized in that: The sound-generating subject comprises: Bracket (10); A magnetic cover (20) disposed in the bracket (10); A first magnetic steel (30) disposed in the magnetic cover (20); A first pole piece (40) disposed on the first magnetic steel (30); A diaphragm (50) disposed at the upper end of the support (10); A voice coil (60) disposed around the first magnetic steel (30) and connected to the diaphragm (50); The diaphragm (50) is provided with an inner folding ring (51) and an outer folding ring (52) protruding therefrom. The inner folding ring (51) and the outer folding ring (52) are both arranged in a surrounding manner. The outer folding ring (52) is arranged outside the inner folding ring (51). A dome membrane (100) is arranged between the inner folding ring (51) and the outer folding ring (52).

2. A multi-fold loudspeaker according to claim 1, characterized in that: A third magnetic steel (70) is arranged on the first pole piece (40), and the position of the third magnetic steel (70) corresponds to the position of the inner folding ring (51).

3. A multi-fold loudspeaker according to claim 2, characterized in that: A second magnetic steel (80) is arranged on the first pole piece (40), the second magnetic steel (80) is connected to the diaphragm (50), and the third magnetic steel (70) is arranged around the outside of the second magnetic steel (80) and there is a gap between the third magnetic steel (70) and the second magnetic steel (80).

4. A multi-fold loudspeaker according to claim 3, characterized in that: An opening (53) is provided in the middle of the diaphragm (50), the position of the opening (53) corresponds to the position of the second magnetic steel (80), and the second magnetic steel (80) covers the opening (53).

5. The multi-fold loudspeaker according to claim 4, characterized in that: A fourth magnetic steel (90) is arranged on the second magnetic steel (80); the fourth magnetic steel (90) is arranged in the opening (53) and protrudes above the diaphragm (50).

6. The multi-fold loudspeaker according to claim 1, characterized in that: The voice coil (60) is arranged between the outer folding ring (52) and the inner folding ring (51), and the position of the voice coil (60) corresponds to the position of the dome membrane (100).

7. The multi-fold loudspeaker according to claim 1, characterized in that: It also comprises an outer shell (1), wherein the outer shell (1) accommodates the sound-generating body.

8. The multi-fold loudspeaker according to claim 7, characterized in that: The outer shell (1) is provided with a sound outlet (11), and the diaphragm (50) is exposed in the sound outlet (11).

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