Miniature bone conduction loudspeaker

Abstract

The utility model discloses a miniature bone conduction loudspeaker, which comprises a loudspeaker main body, the loudspeaker main body comprises a metal shell, a copper coil is arranged in the metal shell, a magnet is arranged in the copper coil, a fixing mechanism is arranged at the bottom end of the magnet, the fixing mechanism comprises a circular ring, a circular plate is arranged in the circular ring, and the circular plate is connected with the metal shell. A plurality of connecting pieces are arranged on the outer edge face of the circular plate around the axis of the circular plate, springback gaps are formed among the circular ring, the circular plate and the connecting pieces, a first step is arranged at the top end of the metal shell, a PCB is embedded in the first step, the PCB is electrically connected with the copper coil, and the copper coil is electrically connected with the circular plate. The bottom end of the metal shell is provided with a second step for the fixing mechanism to be embedded, a cover is embedded in the second step, and the cover is attached to the lower end face of the fixing mechanism. The miniature bone conduction loudspeaker has the advantages of being small in size and reducing occupied space, and solves some problems existing in miniaturization of a current bone conduction loudspeaker.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker technical field, concretely is a kind of miniature bone conduction loudspeaker. BACKGROUND

[0002] With the continuous progress of science and technology, people's requirements for audio equipment are getting higher and higher. Traditional loudspeakers are usually large in size, inconvenient to carry and use in specific scenarios. The emergence of bone conduction technology brings a new direction for the development of audio equipment.

[0003] The existing bone conduction loudspeaker still has some problems in miniaturization, such as poor sound quality, uncomfortable to wear, limited endurance, large size, etc. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of miniature bone conduction loudspeaker, with the advantages of small size, reducing the occupied space, solving the current bone conduction loudspeaker still has some problems in miniaturization.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of miniature bone conduction loudspeaker, including loudspeaker main body, the loudspeaker main body includes metal shell, copper coil is installed in the metal shell, magnet is installed in the copper coil, the bottom end of the magnet is provided with fixed mechanism, the fixed mechanism includes circular ring, the circular ring is provided with circular plate inside, the outer edge surface of the circular plate is provided with a plurality of connecting pieces around its axis, rebound gap is provided between the circular ring, circular plate and connecting piece.

[0006] Preferably, a first step is formed at the top end of the metal shell, and a PCB circuit board is embedded in the first step, and the PCB circuit board is electrically connected with the copper coil.

[0007] Preferably, a second step is formed at the bottom end of the metal shell for embedding the fixed mechanism, and a lid is embedded in the second step, and the lid is attached to the lower end surface of the fixed mechanism.

[0008] Preferably, a fixing piece is provided on the outer edge surface of the copper coil, the fixing piece is spirally arranged along the outer edge surface of the copper coil, and the outer edge surface of the fixing piece is fixedly connected with the inner edge surface of the metal shell.

[0009] Preferably, the connecting piece is provided with three, and each connecting piece is a Z-shaped plate structure.

[0010] Preferably, the rebound gap is provided with three, and each rebound gap is provided in the shape of the number 3.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The utility model discloses a metal shell, copper coil, PCB circuit board, magnet, fixing mechanism and lid are set up, after integral assembly is completed, small and exquisite, reduce the space occupied, convenient adaptation to various earphone use can satisfy the requirement of user to audio quality, and low power consumption is favorable to enhance the endurance.

[0013] 2. The utility model discloses a circular ring, round plate, connecting piece and rebound gap are set up, and the metal shell is connected by the circular ring, and the magnet is connected by the round plate, a plurality of connecting pieces are set up, and the magnet has better rebound effect when vibrating, makes the whole loudspeaker vibrate, and there is no abnormal sound. DRAWINGS

[0014] Figure 1 It is the front view structure schematic drawing of the utility model;

[0015] Figure 2 It is the utility model's explosion map;

[0016] Figure 3 It is the utility model Figure 2 Fixing mechanism's structure schematic diagram;

[0017] Figure 4 It is the utility model Figure 2 Metal shell's vertical section schematic diagram.

[0018] The reference signs and names in the drawing are as follows:

[0019] 1, loudspeaker main body;11, metal shell;12, first step;13, second step;2, copper coil;21, fixed sheet;3, PCB circuit board;4, magnet;5, fixing mechanism;51, circular ring;52, round plate;53, connecting piece;54, rebound gap;6, lid. Specific implementation

[0020] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor all belong to the range of protection of the utility model.

[0021] In the description of the utility model embodiments, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model embodiments and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model embodiments, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0022] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figures 1 to 4The utility model provides a kind of embodiment: a miniature bone conduction horn, including horn main body 1, horn main body 1 includes metal shell 11, copper coil 2 is installed in metal shell 11 inside, copper coil 2 is installed with magnet 4 inside, magnet 4 bottom end is provided with fixed mechanism 5, fixed mechanism 5 includes ring 51, ring 51 inside is provided with round plate 52, and the outer edge surface of round plate 52 is provided with several connecting pieces 53 around its axis, and spring gap 54 is arranged between ring 51, round plate 52 and connecting piece 53, first step 12 is opened in the top of metal shell 11, and PCB circuit board 3 is embedded in first step 12, and PCB circuit board 3 is electrically connected with copper coil 2, second step 13 is opened in the bottom of metal shell 11 for fixed mechanism 5 embedding, and lid 6 is embedded in second step 13, and lid 6 is pasted with the lower end surface of fixed mechanism 5, and fixed piece 21 is provided on the outer edge surface of copper coil 2, and fixed piece 21 is spirally arranged along the outer edge surface of copper coil 2, in specific implementation, miniaturized vibration unit is used, the material and size of vibration diaphragm are optimized, so that it can still produce efficient vibration under small volume, ensure that tone quality is clear, for example, vibration diaphragm is made of high-strength, high-elasticity nanomaterial, vibration frequency response range is improved, and fixed piece 21 outer edge surface is fixedly connected with metal shell 11 inner edge surface, connecting piece 53 is provided with three, and each connecting piece 53 is Z-shaped plate structure, spring gap 54 is provided with three, and each spring gap 54 is provided with the shape of number 3, in specific implementation, the compact control circuit of horn designed, reduce the space occupied.Lightweight shell material, such as high-strength plastic or aluminum alloy, not only ensures the firmness of the horn, but also reduces the weight.

[0024] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A micro bone conduction horn comprising a horn body (1), characterized in that: Said loudspeaker body (1) includes metal shell (11), copper coil (2) is installed inside the metal shell (11), magnet (4) is installed inside copper coil (2), fixed mechanism (5) is arranged at the bottom end of magnet (4), fixed mechanism (5) includes circular ring (51), circular ring (51) is provided with circular plate (52) inside, a plurality of connecting pieces (53) are arranged around the outer edge surface of circular plate (52) along its axis, and rebound gap (54) is arranged between circular ring (51), circular plate (52) and connecting piece (53).

2. A micro bone conduction speaker according to claim 1, characterized in that: First step (12) is opened at the top end of metal shell (11), PCB circuit board (3) is embedded in first step (12), and PCB circuit board (3) is electrically connected with copper coil (2).

3. The micro bone conduction speaker according to claim 1, characterized in that: Second step (13) is opened at the bottom end of metal shell (11) for embedding fixed mechanism (5), and cover (6) is embedded in second step (13), and cover (6) is attached to the lower end surface of fixed mechanism (5).

4. The micro bone conduction speaker according to claim 1, characterized in that: Fixed sheet (21) is arranged on the outer edge surface of copper coil (2), fixed sheet (21) is spirally arranged along the outer edge surface of copper coil (2), and the outer edge surface of fixed sheet (21) is fixedly connected with the inner edge surface of metal shell (11).

5. The micro bone conduction speaker according to claim 1, characterized in that: Connecting piece (53) is provided with three, and each connecting piece (53) is a Z-shaped plate structure.

6. The micro bone conduction speaker according to claim 1, characterized in that: Rebound gap (54) is provided with three, and each rebound gap (54) is arranged in the shape of number 3.

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