Waterproof sound production device

Abstract

The utility model discloses a waterproof sounding device, which comprises a support and a U-shaped cup fixed at the bottom of the support, the support and the U-shaped cup jointly form a hollow cavity structure with an opening at the top, a boss is fixed on the upper end face of the support, and a soldering lug is fixed at the bottom of the support through an in-mold forming process. A diaphragm and a front cover located above the diaphragm are arranged at an opening of the cavity, a waterproof ring is fixed to the upper end face of the diaphragm, an annular groove is formed in the bottom of the waterproof ring, the boss is embedded into the annular groove, a sealing groove is formed in the lower end face of the front cover, the waterproof ring is embedded into the sealing groove, and the diaphragm is clamped between the support and the front cover. According to the waterproof sound production device, through the arrangement of the boss, the waterproof ring and the sealing groove, the boss is embedded into the waterproof ring, and the waterproof ring is embedded into the sealing groove, so that the connection among the bracket, the diaphragm and the front cover is tighter, no gap is generated, and the effective waterproof effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sound production device, in particular to a waterproof sound production device. BACKGROUND

[0002] The sound production device refers to a kind of equipment that can convert electrical signal into sound, and it is usually composed of basket, magnetic circuit system, voice coil, diaphragm, conductive connecting piece and conductive branch piece etc.The working principle is that electrical signal is converted into audible sound by magnetic circuit system.Specifically, voice coil vibrates in magnetic gap, drives diaphragm to vibrate, and then sound is emitted.

[0003] The support and the diaphragm in the existing sound production device, the diaphragm and the front cover plate usually do not have waterproof design, so that gap is easily generated in the process of processing and assembling, which leads to water from outside easily seeping into the cavity of the sound production device, and then corrodes the structure inside the sound production device. UTILITY MODEL CONTENT

[0004] The utility model discloses a waterproof sound production device, has the advantage that can prevent water, the boss, waterproof ring and sealing groove that are set, make the boss embed in waterproof ring, make waterproof ring embed in sealing groove, can make the junction of support, diaphragm and front cover more closely, no gap is generated, thereby effectively waterproof.

[0005] To achieve the above object, the utility model provides the following technical scheme: a waterproof sound production device, including support and the U cup of being fixed in the bottom of support, support and U cup jointly constitute the cavity structure of having opening and being hollow in the inside in top, and the upper end surface of support is fixed with the boss, is fixed with the soldering piece in the bottom of support by in-mold forming process, the opening of cavity is provided with diaphragm and the front cover located above diaphragm, is fixed with waterproof ring on the upper end surface of diaphragm, is formed with annular groove in the bottom of waterproof ring, the boss embeds in annular groove, is provided with sealing groove in the lower end surface of front cover, waterproof ring embeds in sealing groove, diaphragm is clamped between support and front cover.

[0006] Preferably, the soldering piece includes a positive soldering piece and a negative soldering piece disposed on one side of the positive soldering piece, the positive soldering piece is provided with a positive soldering point, and the negative soldering piece is provided with a negative soldering point.

[0007] Preferably, the cavity is provided with a voice coil and a magnet sleeved on the inner side of the voice coil, the voice coil is made of copper wire and is wound turn by turn, and the two ends of the voice coil are electrically connected with the positive soldering piece and the negative soldering piece, respectively.

[0008] Preferably, the magnet is provided with a dust core on the upper end surface, and the magnet is arranged on the upper end surface of the U cup.

[0009] Preferably, the front cover is provided with a window for sound production, and the window penetrates through the upper and lower end surfaces of the front cover.

[0010] Preferably, the boss and the waterproof ring are both designed in a mouth-shaped form.

[0011] Compared with the prior art, the utility model has the advantages that the utility model discloses, through setting the boss on the support, setting the waterproof ring on the diaphragm and setting the sealing groove on the front cover, the boss is embedded in the waterproof ring to achieve the first layer waterproof effect, the waterproof ring is embedded in the sealing groove to achieve the second layer waterproof effect, the connection between the support, the diaphragm and the front cover is more compact, no gap is generated, the water from the outside cannot permeate into the cavity through the support, the diaphragm and the front cover, the structure in the cavity is protected, thereby good waterproof effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the utility model embodiment one;

[0013] Figure 2 It is a schematic view two of the utility model embodiment one;

[0014] Figure 3 It is an explosion view of the utility model embodiment one;

[0015] Figure 4 It is a schematic view of the welding piece in the utility model embodiment one;

[0016] Figure 5 It is a schematic view of the diaphragm and the front cover in the utility model embodiment one;

[0017] Figure 6 It is a sectional view of the utility model embodiment one in A-A direction; Figure 1

[0018] Figure 7 It is a structure enlarged view of the utility model embodiment one in B; Figure 6

[0019] Figure 8 It is a sectional view of the utility model embodiment two;

[0020] Figure 9 It is a structure enlarged view of the utility model in C. Figure 8

[0021] Reference signs and names in the drawing are as follows: 1, support; 11, boss; 12, waterproof groove; 2, U cup; 3, welding piece; 31, positive pole welding piece; 32, negative pole welding piece; 4, voice coil; 5, diaphragm; 51, waterproof ring; 511, annular groove; 6, front cover; 61, sealing groove; 62, window; 63, annular boss; 7, magnet; 8, Hua Si. DETAILED DESCRIPTION

[0022] ​​​With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0023] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. 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 embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0024] In the embodiments of the present application, unless otherwise explicitly specified 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 those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0025] Embodiment one:

[0026] Please refer to Figure 1 The present application provides an embodiment: a waterproof sound generating device, comprising a support 1 and a front cover 6 arranged on the support 1.

[0027] Please refer to Figure 2 The waterproof sound generating device further comprises a U-shaped cup 2 fixed to the bottom of the support 1, and the support 1 and the U-shaped cup 2 jointly form a cavity structure with an opening at the top and a hollow inside.

[0028] Please refer to Figure 3The upper end face of the support 1 is fixed with a boss 11, and the bottom of the support 1 is fixed with a welding piece 3 through an in-mold forming process, the opening of the cavity is provided with a diaphragm 5 and a front cover 6 located above the diaphragm 5, the upper end face of the diaphragm 5 is fixed with a waterproof ring 51, and the boss 11 and the waterproof ring 51 are both designed in a mouth shape.

[0029] Please refer to Figure 4 The welding piece 3 comprises a positive electrode welding piece 31 and a negative electrode welding piece 32 arranged on one side of the positive electrode welding piece 31, the positive electrode welding piece 31 is provided with a positive electrode welding point, the negative electrode welding piece 32 is provided with a negative electrode welding point, the positive electrode welding point and the negative electrode welding point are both used for welding a wire, the positions of the positive electrode welding point, the negative electrode welding point and the wire can be referred to the patent with the application number CN202320831277.3, a novel wire free-bending parallel-wire type sound generating device, the cavity is provided with a voice coil 4 and a magnet 7 sleeved on the inner side of the voice coil 4, the voice coil 4 is wound by copper wire turn by turn, and the two ends of the voice coil 4 are electrically connected with the positive electrode welding piece 31 and the negative electrode welding piece 32 respectively.

[0030] Please refer to Figure 5 The lower end face of the front cover 6 is provided with a sealing groove 61, and the front cover 6 is provided with a window 62 for sound generation, the window 62 penetrates through the upper and lower end faces of the front cover 6.

[0031] Please refer to Figure 6 The upper end face of the magnet 7 is provided with a Hua Si 8, and the magnet 7 is arranged on the upper end face of the U-shaped cup 2.

[0032] Please refer to Figure 7 The bottom of the waterproof ring 51 is formed with an annular groove 511, the boss 11 is embedded in the annular groove 511, the waterproof ring 51 is embedded in the sealing groove 61, and the diaphragm 5 is clamped between the support 1 and the front cover 6, so as to close the gap between the support 1 and the diaphragm 5 by cooperation of the boss 11 and the annular groove 511, and close the gap between the diaphragm 5 and the front cover 6 by cooperation of the waterproof ring 51 and the sealing groove 61.

[0033] Example two:

[0034] Please refer to Figure 8 to Figure 9 The structure of the present embodiment is basically the same as that of example one, the difference lies in that the boss 11 on the upper end face of the support 1 is cancelled, and a waterproof groove 12 is arranged on the upper end face of the support 1, the waterproof groove 12 is also designed in a ring shape, the sealing groove 61 on the lower end face of the front cover 6 is cancelled, and an annular convex seat 63 is arranged on the lower end face of the front cover 6, in addition, the waterproof ring 51 is moved from the upper end face of the diaphragm 5 to the lower end face, the waterproof ring 51 is embedded in the waterproof groove 12, and the annular convex seat 63 is embedded in the annular groove 511, which can also achieve the waterproof effect.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A waterproof sound production device, comprising a support (1) and a U-shaped cup (2) fixed to the bottom of the support (1), characterized in that: The support (1) and the U cup (2) jointly constitute a cavity structure with an opening at the top and a hollow inside, and the upper end surface of the support (1) is fixed with a boss (11), the bottom of the support (1) is fixed with a welding piece (3) through an in-mold forming process, the opening of the cavity is provided with a diaphragm (5) and a front cover (6) above the diaphragm (5), the upper end surface of the diaphragm (5) is fixed with a waterproof ring (51), the bottom of the waterproof ring (51) is formed with an annular groove (511), the boss (11) is embedded in the annular groove (511), the lower end surface of the front cover (6) is provided with a sealing groove (61), and the waterproof ring (51) is embedded in the sealing groove (61), and the diaphragm (5) is clamped between the support (1) and the front cover (6).

2. The waterproof sound production device according to claim 1, characterized in that: The welding piece (3) comprises a positive welding piece (31) and a negative welding piece (32) arranged on one side of the positive welding piece (31), the positive welding piece (31) is provided with a positive welding point, and the negative welding piece (32) is provided with a negative welding point.

3. The waterproof sound production device according to claim 2, characterized in that: A voice coil (4) and a magnet (7) sleeved on the inside of the voice coil (4) are arranged in the cavity, the voice coil (4) is wound by copper wire turn by turn, and the two ends of the voice coil (4) are electrically connected with the positive welding piece (31) and the negative welding piece (32) respectively.

4. The waterproof sound production device according to claim 3, characterized in that: The upper end surface of the magnet (7) is provided with a Hua Si (8), and the magnet (7) is arranged on the upper end surface of the U cup (2).

5. The waterproof sound production device of claim 1, wherein: A window (62) for sounding is arranged on the front cover (6), and the window (62) penetrates through the upper and lower end surfaces of the front cover (6).

6. The waterproof sound production device of claim 1, wherein: The boss (11) and the waterproof ring (51) are both designed in a mouth-shaped form.

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