Bone conduction earphone with waterproof sealing structure

Abstract

The utility model discloses a bone conduction earphone with a waterproof sealing structure, which comprises a rear hanger and ear hangers connected to two ends of the rear hanger, each ear hanger comprises a horn shell, a controller shell and an ear hanging part for connecting the horn shell and the controller shell, and a threading channel and a core wire are arranged in each ear hanging part. The core wire penetrates through the threading channel, the two ends of the core wire extend into the horn shell and the controller shell, the threading channel is provided with a sealing plug groove, the core wire is provided with a sealing plug, and the core wire is arranged in the threading channel so that the sealing plug can plug the sealing plug groove. The sealing plug is arranged on the core wire and is in sealing fit with the sealing plug groove in the threading channel, so that a higher-level waterproof effect can be achieved without gluing, and the cable has the advantages of low cost and good waterproof and sealing effects.

Description

Technical Field

[0001] The utility model relates to the technical field of electroacoustic products, in particular to a bone conduction headset with a waterproof and sealed structure. Background Art

[0002] Bone conduction is a sound conduction method, that is, sound is converted into mechanical vibrations of different frequencies and transmitted through the human skull, bony labyrinth, inner ear lymph, spiral organ, and auditory center. Compared with the classical sound conduction method that generates sound waves through a diaphragm, bone conduction omits many steps of sound wave transmission, can achieve clear sound restoration in a noisy environment, and the sound waves will not affect others due to diffusion in the air. The current bone conduction headsets mainly consist of a rear hook, an ear hook, and a speaker shell. The rear hook and the ear hook are used to hang on the head and ear. The speaker assembly and the controller assembly are connected through the ear hook, and a core wire is arranged in the ear hook to connect the speaker assembly and the controller assembly. In the existing bone conduction headset, both ends of the core wire pass through the ear hook to connect the speaker assembly and the controller assembly, and sealing glue needs to be filled between the core wire and the shell for sealing. After the glue solidifies, the core wire is bonded to the shell and the ear hook together, and its sealing effect is limited by the performance of the glue. The gap between the core wire and the shell is filled with glue, and its sealing performance is not ideal. Content of the Utility Model

[0003] The utility model provides a bone conduction headset with a waterproof and sealed structure. A sealing plug on the core wire is in sealing fit with a sealing plug groove on the wire threading channel, and a higher-level waterproof effect can be achieved without applying glue, which has the advantages of low cost and good waterproof and sealing effect.

[0004] To solve the above technical problems, the technical solution provided by the utility model is: a bone conduction headset with a waterproof and sealed structure, including a rear hook and ear hooks connected to both ends of the rear hook. The ear hook includes a speaker shell, a controller shell, and a hanging ear part connecting the speaker shell and the controller shell. A wire threading channel and a core wire are arranged inside the hanging ear part. The core wire passes through the wire threading channel, and both ends thereof extend into the speaker shell and the controller shell. The wire threading channel is provided with a sealing plug groove, and a sealing plug is arranged on the core wire. The core wire is arranged in the wire threading channel, so that the sealing plug plugs the sealing plug groove.

[0005] With the above technical solution of the utility model, the core wire is arranged in the wire threading channel, and both ends thereof extend into the speaker shell and the controller shell, which is used to connect the speaker and the main board, etc., and plays the role of power supply and signal transmission; the core wire is arranged in the wire threading channel, a sealing plug is arranged on the core wire, and correspondingly, a sealing plug groove with a shape and volume adapted to the sealing plug is arranged on the wire threading channel. When the core wire is placed in the wire threading channel, the sealing plug fills the sealing plug groove, realizing the function of plugging the wire threading channel, so that when the core wire extends into the speaker shell and the controller shell, the gap between the core wire and the shell can achieve a higher-level waterproof effect without filling glue.

[0006] For the above bone conduction headset with a waterproof sealing structure, the sealing plug is injection molded on the core wire, and the core wire is injection molded in the hanging ear part. The sealing plug is injection molded on the core wire in the mold, and the sealing plug and the core wire are formed as one body, with a firm connection and no detachment from the core wire, and it is ensured that there is no gap between the sealing plug and the core wire; the core wire is injection molded in the hanging ear part, and the core wire and the sealing plug are integrally formed in the wire threading channel and the sealing slot respectively, and the core wire and the hanging ear part are integrally formed and combined, reducing the gap between them and effectively improving the waterproof performance.

[0007] For the above bone conduction headset with a waterproof sealing structure, a sealing cover plate covering the wire threading channel and the sealing slot is injection molded on the hanging ear part. The sealing cover plate covers the wire threading channel and the sealing slot to achieve the sealing of the wire threading channel, and the injection molding method can make the sealing cover plate and the hanging ear part closely combined, improving the sealing performance.

[0008] For the above bone conduction headset with a waterproof sealing structure, the sealing plug has a trapezoidal platform structure with its size gradually expanding along the two ends of the core wire. The sealing slot is adapted to the position and shape of the sealing plug, and both ends of the sealing cover plate are provided with cover plates covering the open ends of the sealing slot. The sealing plug gradually expands along the two ends of the core wire to form a trapezoidal platform, so that the water outside the wire threading channel cannot enter the channel. The sealing plug is embedded in the sealing slot, and the cover plate covers the sealing slot to cover the sealing plug, making the sealing plug and the sealing slot fit closely, ensuring a high waterproof effect.

[0009] For the above bone conduction headset with a waterproof sealing structure, the speaker shell, the controller shell and the hanging ear part are integrally formed, and a silica gel coating is wrapped around the outer periphery of the ear hook. The silica gel coating covering part of the controller shell is integrally formed with a headset button. The silica gel coating is wrapped around the outer peripheries of the speaker shell, the controller shell and the hanging ear part to achieve a sealing and waterproof effect; the headset button is integrally formed on the silica gel coating, ensuring that there is no gap in the setting of the button and guaranteeing the good sealing performance of the silica gel coating covering the ear hook.

[0010] For the above bone conduction headset with a waterproof sealing structure, the controller shell includes a controller bottom shell and a controller upper cover. The controller upper cover covers the controller bottom shell. An installation slot is provided on the inner side of the controller upper cover, and a charging module is arranged on the installation slot. The controller upper cover covers the controller bottom shell, and the controller cavity enclosed therebetween is used for assembling control components such as a main board, a microphone and a battery. The charging module is used to conduct an external power supply to charge the battery inside the controller shell.

[0011] The above bone conduction headphones with a waterproof sealing structure, the charging module includes a charging bracket and a charging copper pin. The charging bracket is provided with a charging hole, and the charging copper pin is inserted into the charging hole. A dispensing groove for filling sealing glue is provided at the bottom of the installation groove, and the charging bracket is assembled on the installation groove. Apply sealing glue on the dispensing groove, and then assemble the charging bracket into the installation groove, so that the charging bracket and the controller upper cover are effectively sealed and fixed by the glue, and the waterproof sealing effect is good.

[0012] For the above bone conduction headphones with a waterproof sealing structure, an outer convex ring is provided on the outer peripheral wall of the charging copper pin, and an inner concave ring groove adapted to the outer convex ring is provided on the hole wall of the charging hole. The charging copper pin is inserted into the charging hole, and the outer convex ring can be adapted and embedded into the inner concave ring groove, effectively improving the waterproof sealing effect.

[0013] For the above bone conduction headphones with a waterproof sealing structure, a groove coaxial with the charging hole is provided on the inner surface of the charging bracket, and sealing glue is filled in the gap between the groove and the charging copper pin. Fill sealing glue in the groove, and the sealing glue seals the gap between the charging copper pin and the groove, which can improve the sealing and waterproof effect.

[0014] For the above bone conduction headphones with a waterproof sealing structure, a blind hole is provided on the charging bracket, the orifice of the blind hole faces the inside of the controller housing, and a magnet is provided in the blind hole. The magnet is provided at the blind hole, and the charging bracket is not assembled through, so that external water cannot enter the headphone interior from the gap between the magnet and the hole, improving the waterproof performance.

[0015] The beneficial effects obtained by the present utility model are as follows: When the core wire passes through the earhook, a sealing plug is provided thereon to block the sealing plug groove on the wire passing channel, realizing the sealing between the core wire and the earhook; at the same time, when the end of the core wire passes through and connects the speaker housing and the controller housing, there is no need to pour glue between the core wire and the housing, and a high waterproof effect can be achieved. Moreover, the core wire and the earhook can be integrally formed by injection molding, and the sealing plug is injection molded in the sealing plug groove, with a good sealing effect. The sealing can be completed during the production process of the headphones, reducing the process of pouring sealing glue after product assembly and lowering the cost. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the external structure of a bone conduction headphone with a waterproof sealing structure according to an embodiment of the present utility model;

[0017] Figure 2 is a schematic diagram of the structure of a bone conduction headphone with a waterproof sealing structure according to an embodiment of the present utility model after removing the silica gel coating;

[0018] Figure 3 is a schematic diagram of the connection structure between the rear hook and the earhook of a bone conduction headphone with a waterproof sealing structure according to an embodiment of the present utility model;

[0019] Figure 4 It is a schematic exploded view of the ear hook of a bone conduction headphone with a waterproof and sealed structure according to an embodiment of the present utility model;

[0020] Figure 5 It is a schematic overall structure view of the ear hook according to an embodiment of the present utility model;

[0021] Figure 6 It is Figure 5 a schematic structural view of the assembly process of the ear hook in

[0022] Figure 7 It is Figure 5 a schematic exploded view in

[0023] Figure 8 It is Figure 5 a schematic cross-sectional structural view of the controller housing in

[0024] Figure 9 It is a schematic structural view of the controller upper cover according to an embodiment of the present utility model;

[0025] Figure 10 It is a schematic structural view of the charging module according to an embodiment of the present utility model;

[0026] Figure 11 It is Figure 10 a schematic cross-sectional structural view of the charging module in

[0027] Figure 12 It is Figure 11 an enlarged partial structural view at position A in

[0028] Figure 13 It is a schematic process view of the manufacturing process of an ear hook according to an embodiment of the present utility model;

[0029] Figure 14 It is a schematic structural view of the rear hook of a bone conduction headphone with a waterproof and sealed structure according to an embodiment of the present utility model;

[0030] Figure 15 It is a schematic cross-sectional structural view of the rear hook of a bone conduction headphone with a waterproof and sealed structure according to an embodiment of the present utility model.

[0031] Description of reference numerals: earhook 1a, hanging part 1, wire threading channel 11, core wire 12, sealing plug groove 13, sealing plug 14, silicone coating 15, earphone button 151, sealing cover plate 16, cover plate 161, speaker shell 2, speaker housing 21, speaker cover 22, bone conduction speaker 23, controller housing 3, controller bottom shell 31, controller upper cover 32, charging module 33, installation groove 34, through hole 35, main board 36, microphone 37, charging bracket 331, charging copper pin 332, charging hole 333, outer convex ring 334, inner concave ring groove 335, groove 336, boss 337, blind hole 338, magnet 339, dispensing groove 341, rear hook 4, rear hook body 41, connecting part 42, steel wire 43, wire 44. Detailed implementation mode

[0032] The present utility model will be further described below in conjunction with the accompanying drawings and the detailed implementation mode.

[0033] Combined with Figures 1 to 15 As shown, an implementation mode of the present utility model discloses a bone conduction earphone with a waterproof and sealed structure, including a rear hook 4 and earhooks 1a connected to both ends of the rear hook 4. The earhook 1a includes a speaker shell 2, a controller housing 3, and a hanging part 1 connecting the speaker shell 2 and the controller housing 3. Among them, the speaker shell 2 and the controller housing 3 can be connected to both ends of the hanging part 1 by injection molding.

[0034] The bone conduction earphone in this application includes a rear hook 4, a controller housing 3, a hanging part 1, and a speaker shell 2. In this implementation mode, there are two controller housings 3, hanging parts 1, and speaker shells 2 respectively. Among them, the controller housing 3 is connected to both ends of the rear hook 4, and the hanging part 1 connects the speaker shell 2 and the controller housing 3. A main board 36, a charging module 33, and a microphone 37 are arranged in the controller housing 3. The bone conduction speaker 23 in the speaker shell 2 is connected to the main board 36 through a core wire 12. One end of the core wire 12 is connected to the bone conduction speaker 23, and the other end passes through the hanging part 1 and is connected to the main board 36. A microphone 37 is arranged on the main board 36 to pick up the user's voice and realize the voice recording function of the earphone.

[0035] The inside of the hanging ear part 1 has a wire threading channel 11 and a core wire 12. The core wire 12 passes through the wire threading channel 11, and its two ends extend into the speaker housing 2 and the controller housing 3. Among them, the core wire 12 can be a two-core wire. In other embodiments, the core wire 12 can also be a multi-core wire. A sealing plug groove 13 is provided on the wire threading channel 11, and a sealing plug 14 is provided on the core wire 12. Among them, to ensure a better sealing and waterproof effect, in this embodiment, the core wire 12 is formed in the wire threading channel 11 by injection molding, and the core wire 12 and the hanging ear part 1 are formed into an integrated structure. The hanging ear part 1 can be separately injection-molded from a plastic material, the core wire 12 can be made of a high-temperature-resistant Teflon material, and the sealing plug 14 can be made of nylon material. The core wire 12 and the hanging ear part 1 are combined into one body. At this time, the core wire 12 is arranged in the wire threading channel 11, so that the sealing plug 14 plugs the sealing plug groove 13.

[0036] In this embodiment, the sealing plug 14 is formed on the core wire 12 by injection molding. There are two sealing plugs 14, which are respectively located at the ends of the core wire 12 close to the speaker housing 2 and the controller housing 3. The core wire 12 is formed in the hanging ear part 1 by injection molding. Through injection molding, the sealing plug 14 can be combined with the core wire 12 into one body. When the core wire 12 and the plastic material of the hanging ear part 1 are injection-molded, most of the core wire 12 is accommodated in the wire threading channel 11, the sealing plug 14 is filled in the sealing plug groove 13, and when the two ends of the core wire 12 extend out of the wire threading channel 11 to connect the speaker and the control component inside the controller housing 3 or the speaker housing 2, a higher waterproof effect can be achieved without pouring glue into the gap between the core wire 12 and the controller housing 3 and the speaker housing 2.

[0037] A sealing cover plate 16 covering the wire threading channel 11 and the sealing plug groove 13 is injection-molded on the hanging ear part 1. The sealing plug 14 has a trapezoidal platform structure with its size gradually expanding along the direction of the two ends of the core wire 12. The sealing plug groove 13 is adapted to the position and shape of the sealing plug 14. The two ends of the sealing cover plate 16 are provided with cover plates 161 covering the open ends of the sealing plug groove 13. Among them, the cover plates 161 are integrally formed at the two ends of the sealing cover plate 16. The sealing plug 14 has a trapezoidal platform structure and gradually expands towards the two ends of the core wire 12. Water outside the wire threading channel 11 cannot enter the wire threading channel 11, so as to achieve the sealing between the core wire 12 and the ear hook 1 by blocking the wire threading channel 11.

[0038] Furthermore, the hanging ear part 1 is integrally injection-molded with the speaker shell 2 and the controller shell 3, and its surface is coated with a silica gel coating 15. The silica gel coating has a high waterproof effect. It is coated on the surfaces of the hanging ear part 1, the speaker shell 2 and the controller shell 3 to achieve a good waterproof effect. An earphone button 151 is integrally formed on the silica gel coating 15 that wraps the controller shell 3. The silica gel coating 15 wraps around the outer periphery of the controller shell 3. The earphone button 151 is integrally formed on the silica gel coating 15. There are no holes in the silica gel coating 15. The corresponding earphone button 151 covers the button on the controller shell 3, realizing the function of pressing to start or stop while having good waterproof performance.

[0039] Refer to Figures 1 to 12 As shown, the controller shell 3 includes a controller bottom shell 31 and a controller upper cover 32. The controller upper cover 32 is covered on the controller bottom shell 31. An installation groove 34 is provided inside the controller upper cover 32, and a charging module 33 is arranged in the installation groove 34. As Figure 9 shown, the shape of the installation groove 34 matches the charging module 33, providing a space for assembling the charging module 33.

[0040] As Figure 10 , Figure 11 and Figure 12 shown, the charging module 33 includes a charging bracket 331 and a charging copper pin 332. A charging hole 333 is provided on the charging bracket 331. The charging copper pin 332 is inserted into the charging hole 333. A dispensing groove 341 for filling sealant is provided at the bottom of the groove of the installation groove 34, and the charging bracket 331 is assembled in the installation groove 34. During assembly, sealant is filled in the dispensing groove 341. When the charging bracket 331 is arranged in the installation groove 34, the filled glue plays a role in sealing and bonding fixation, achieving a good waterproof effect.

[0041] Furthermore, as Figure 12 shown, an outer convex ring 334 is provided on the outer peripheral wall of the charging copper pin 332, and an inner concave ring groove 335 adapted to the outer convex ring 334 is provided on the hole wall of the charging hole 333. The outer convex ring 334 protrudes radially outward, and the inner concave ring groove 335 concaves radially inward. The charging copper pin 332 is inserted into the charging hole 333. The outer convex ring 334 on the outer peripheral wall of the charging copper pin 332 is embedded into the inner concave ring groove 335 in the hole wall of the charging hole 333 in an interference fit manner, so that external water cannot enter the inside of the controller shell 3 from the gap between the charging copper pin 332 and the charging hole 333.

[0042] Combined with Figure 10 and Figure 11As shown in the figure, a groove 336 coaxial with the charging hole 333 is provided on the inner surface of the charging bracket 331, and sealant is filled in the gap between the groove 336 and the charging copper pin 332. The sealant is injected and filled in the groove 336 to block the charging hole 333, so that water cannot enter the controller housing 3 through the charging hole 333, having good sealing and waterproof performance.

[0043] As Figure 9 , 10 shown in the figure, a boss 337 is provided on the outside of the charging bracket 331, and the mounting groove 34 is provided with a through hole 35 that matches the boss 337 for exposing the boss 337. The surface of the boss 337 can be exposed in the through hole 35. Preferably, the surface of the boss 337 is in the same plane as the plane where the through hole 35 is located, so that the charging copper pin 332 can contact the external power supply to charge the battery module of the main board 36 in the controller housing 3. Further, after the silicone coating 15 wraps the controller upper cover 32, the silicone coating 15 also correspondingly exposes the through hole, so that the surface of the boss 337 is in the same plane as the surface of the through hole.

[0044] The charging bracket 331 is provided with a blind hole 338, the orifice of the blind hole 338 faces the inside of the controller housing 3, and a magnet 339 is provided in the blind hole 338. The blind hole 338 does not penetrate the charging bracket 331, and the magnet 339 is provided in the blind hole 338. The magnet 339 can adsorb the external charging power supply device. Due to the provision of the blind hole 338, when the magnet 339 is provided on the charging bracket 331, it does not penetrate the outside of the charging bracket 331, and external water cannot flow into the earphone from the magnet 339, having excellent waterproof and sealing performance.

[0045] As Figure 13 shown in the figure, it is a process schematic diagram of the forming process of the waterproof and sealing structure of the earphone of the present utility model.

[0046] The sealing plug 14 can be made of nylon material, combined with the core wire 12 made of high-temperature-resistant Teflon material. The core wire 12 with the sealing plug 14 formed thereon is obtained by injection molding for the first time in the mold. Then the core wire 12 is placed into the plastic material in the shape of the connected speaker housing 2, hanging part 1 and controller housing 3 and put into the mold for the second injection molding. The sealing plug 14 on the core wire 12 is embedded in the sealing plug groove 13 on the wire passing channel 11, and the speaker housing 2, hanging part 1 and controller housing 3 are obtained after molding. Finally, the silicone coating 15 is wrapped around the outer periphery of the speaker housing 2, hanging part 1 and controller housing 3 and formed by injection molding to cover the silicone coating 15 thereon.

[0047] In this embodiment, the hanging ear part 1 is directly formed by plastic injection molding. Compared with the prior art which requires wire shaping, the use of steel wire is eliminated in this hanging ear part 1, and it can still maintain the shaping and elastic functions of the hanging ear part 1. Moreover, the sealing problem after forming with the steel wire is reduced during the forming process, which has the advantages of cost reduction and improved sealing and waterproof performance.

[0048] As Figure 6 and Figure 7 shown, the speaker housing 2 includes a speaker shell body 21, a speaker cover body 22, and a bone conduction speaker 23 disposed between the speaker shell body 21 and the speaker cover body 22. Both ends of the core wire 12 pass through the wire passing channel 11 and are connected to the bone conduction speaker 23 and the main board 36.

[0049] As Figures 1 to 3 and Figure 14 , 15 shown, the rear hanger 4 includes a rear hanger body 41, a connecting part 42, a steel wire 43, and a conducting wire 44. The connecting part 42 is provided at both ends of the rear hanger body 41. The steel wire 43 is threaded through the rear hanger body 41, and both ends thereof are connected to the connecting part 42. The conducting wire 44 is threaded through the rear hanger body 41, and both ends thereof are connected to the main board 36 in the controller housing 3. Among them, the connecting part 42 extends into the controller housing 3 and is fixedly connected to the controller bottom shell 31 by means of screw connection.

[0050] For the bone conduction earphone with a waterproof and sealed structure of the present utility model, when the sealing plug 14 seals the sealing slot 13 and the core wire 12 passes through the hanging ear part 1 to connect the bone conduction speaker 23 and the main board 36, the gaps between the core wire 12 and the speaker shell body 21 and between the core wire 12 and the controller upper cover 31 do not need to be filled with glue, and a good waterproof and sealed effect can be achieved. The charging module 33 is used to connect an external power supply to charge the earphone. The charging bracket 331 is arranged in the installation slot 34 of the controller upper cover 32. A glue dispensing slot 341 is provided at the bottom of the installation slot 34, and glue is applied in the glue dispensing slot 341. The charging copper pin 332 is inserted into the charging hole 333. Through the cooperation of the outer convex ring 334 and the inner concave ring groove 335, and by providing a groove 336 at the inner end of the charging hole 333 and pouring sealing glue into the groove 336, good sealing and waterproof performance of the charging module 33 and the controller upper cover 32 is achieved. Among them, the magnet 339 providing the adsorption force is arranged in the non-through blind hole 338, and there will be no gap conducting to the outside between the magnet 339 and the charging bracket 331, and the waterproof effect is better.

[0051] In summary, the present utility model has been made into actual samples as described in the specification and illustrations, and has been tested through multiple uses. From the test results, it can be proven that the present utility model can achieve its intended purpose, and its practical value is beyond doubt. The above-described embodiments are only used to conveniently illustrate the present utility model, and do not impose any formal restrictions on the present utility model. Any person with ordinary knowledge in the relevant technical field, without departing from the technical features of the present utility model, uses the technical content disclosed by the present utility model to make equivalent embodiments with partial modifications or decorations, and without departing from the technical feature content of the present utility model, still fall within the scope of the technical features of the present utility model.

Claims

1. A bone conduction earphone with a waterproof sealing structure, comprising a back hook (4) and ear hooks (1a) connected to both ends of the back hook (4), characterized in that: The ear hook (1a) comprises a speaker housing (2), a controller housing (3) and an ear hook portion (1) connecting the speaker housing (2) and the controller housing (3); a threading channel (11) and a core wire (12) are provided inside the ear hook portion (1); the core wire (12) passes through the threading channel (11) and its two ends extend into the speaker housing (2) and the controller housing (3); the threading channel (11) is provided with a sealing plugging groove (13); the core wire (12) is provided with a sealing plug (14); the core wire (12) is arranged in the threading channel (11) so that the sealing plug (14) blocks the sealing plugging groove (13).

2. The bone conduction earphone with waterproof sealing structure according to claim 1, characterized in that: The sealing plug (14) is injection molded on the core wire (12), and the core wire (12) is injection molded in the ear hook portion (1).

3. The bone conduction earphone with waterproof sealing structure according to claim 2, characterized in that: A sealing plate (16) covering the threading channel (11) and the sealing blocking groove (13) is injection molded on the hook portion (1).

4. The bone conduction earphone with waterproof sealing structure according to claim 3, characterized in that: The sealing plug (14) is a trapezoidal structure whose size gradually increases along the two ends of the core line (12); the sealing groove (13) is matched with the sealing plug (14) in position and shape; and cover plates (161) are provided at both ends of the sealing sealing plate (16) to cover the open end of the sealing groove (13).

5. The bone conduction earphone with a waterproof sealing structure according to any one of claims 1 to 4, characterized in that: The speaker housing (2), the controller housing (3) and the ear hook (1) are integrally formed, and a silicone coating (15) is coated on the outer periphery of the ear hook (1a), and an earphone button (151) is integrally formed on the silicone coating (15) that wraps the controller housing (3).

6. The bone conduction earphone with waterproof sealing structure according to claim 5, characterized in that: The controller shell (3) comprises a controller bottom shell (31) and a controller top cover (32), wherein the controller top cover (32) covers the controller bottom shell (31), a mounting groove (34) is provided on the inner side of the controller top cover (32), and a charging module (33) is provided on the mounting groove (34).

7. The bone conduction earphone with waterproof sealing structure according to claim 6, characterized in that: The charging module (33) comprises a charging bracket (331) and a charging copper needle (332); the charging bracket (331) is provided with a charging hole (333); the charging copper needle (331) is inserted into the charging hole (333); a dispensing groove (341) for filling sealing glue is provided at the bottom of the mounting groove (34); and the charging bracket (331) is assembled on the mounting groove (34).

8. The bone conduction earphone with waterproof sealing structure according to claim 7, characterized in that: An outer convex ring (334) is provided on the outer peripheral wall of the charging copper needle (332), and an inner concave ring groove (335) matching the outer convex ring (334) is provided on the hole wall of the charging hole (333).

9. The bone conduction earphone with waterproof sealing structure according to claim 7, characterized in that: A groove (336) coaxial with the charging hole (333) is provided on the inner surface of the charging bracket (331), and a sealant is filled in the gap between the groove (336) and the charging copper needle (332).

10. The bone conduction earphone with waterproof sealing structure according to claim 7, characterized in that: A blind hole (338) is provided on the charging bracket (331), the opening of the blind hole (338) faces the inside of the controller shell (3), and a magnet (339) is provided in the blind hole (338).

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