An in-ear Bluetooth headset

The design, which combines a sound guide tube, earplug assembly, and locking block, solves the problems of easily damaged and inconveniently cleaned dustproof mesh in Bluetooth headphones. It effectively blocks earwax and ensures stable wearing of the headphones, thereby improving the lifespan and sound quality of the headphones.

CN224947681UActive Publication Date: 2026-11-06东莞市欣迈电子科技有限公司
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Patent Information

Application Number
CN202522625871.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-11
Publication Date
2026-11-06
Estimated Expiration
2035-12-11

AI Technical Summary

Technical Problem

Existing Bluetooth headset dust filters are attached using an adhesive method, which makes it easy for earwax to adhere and difficult to clean. This can damage the filter surface or cause earwax to penetrate deeper, affecting the headset's lifespan and sound quality.

Method used

The device uses a sound guide tube, earbud assembly, second dustproof mesh, and locking block to work together. The ring-shaped structure forms a tight fit with the inner wall of the earbud tube, and the cross-shaped locking structure enables precise and stable installation and easy replacement of the second dustproof mesh, preventing the earbud assembly from sliding and allowing users to easily disassemble and replace it by hand.

Benefits of technology

It effectively blocks earwax, prevents the earbud components from slipping, simplifies the cleaning process, extends the lifespan of the headphones, and improves sound quality stability and portability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224947681U_ABST
Patent Text Reader

Abstract

This utility model discloses an in-ear Bluetooth headset, belonging to the field of headphone technology. The utility model includes a headphone shell assembly, an earbud assembly, and a second dustproof mesh. The headphone shell assembly includes a lower shell, with an upper shell hinged to its top. Two receiving cavities are formed on the top surface of the lower shell, and the headphone body is inserted into each cavity. A sound guide tube is provided at one end of the headphone body, and a first dustproof mesh is adhered to one end of the sound guide tube. One end of the earbud assembly is sleeved on the sound guide tube. The earbud assembly includes an earbud body, with an earbud tube fixedly connected to its center. A slot is formed on the inner wall of the earbud tube. Through the cooperation of the sound guide tube, earbud assembly, second dustproof mesh, and slot, a circumferential ring forms a tight fit with the inner wall of the earbud tube, preventing axial sliding of the earbud assembly during wear or movement. The second dustproof mesh achieves precise and stable installation and convenient replacement through a cross-shaped snap-fit ​​structure, effectively blocking earwax. It can be disassembled and replaced by hand without tools.
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Description

Technical Field

[0001] This utility model relates to the field of headphone technology, specifically to an in-ear Bluetooth headphone. Background Technology

[0002] In-ear Bluetooth headphones, as an important branch of the audio equipment field, originated from the wireless upgrade of traditional wired headphones and the combination of in-ear design. With the iteration of Bluetooth technology, the progress of miniaturized battery technology, and the improvement of ergonomic design, they have gradually become the mainstream choice in the consumer market and are widely used in daily commuting, sports and fitness, office and study scenarios, meeting users' needs for mobile audio experience.

[0003] Most existing Bluetooth headset dust filters are attached to the headset body using an adhesive method. The earphone's sound outlet is in direct contact with the ear canal, and earwax will adhere to the dust filter of the headset body during wearing. Forcibly cleaning it can easily damage the filter surface or cause the earwax to penetrate deeper into the ear canal, making cleaning difficult. Utility Model Content

[0004] The purpose of this utility model is to provide an in-ear Bluetooth headset. Through the cooperation of the sound tube, ear plug assembly, second dustproof mesh and locking block, the surrounding ring forms a tight fit with the inner wall of the ear plug, which prevents the ear plug assembly from sliding axially during wearing or movement. The second dustproof mesh achieves precise and stable installation and convenient replacement through a cross-shaped locking structure, effectively blocking earwax. It can be disassembled and replaced by hand without tools, which is convenient for users to clean or replace the mesh regularly to remove accumulated earwax.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model is an in-ear Bluetooth headset, including a headset shell assembly, an earplug assembly, and a second dustproof mesh. The headset shell assembly includes a lower shell, with an upper shell hinged to the top of the lower shell. Two receiving cavities are opened on the top surface of the lower shell, and the headset body is inserted into the receiving cavity. A sound guide tube is provided at one end of the headset body, and a first dustproof mesh is attached to one end of the sound guide tube.

[0007] One end of the earbud assembly is sleeved on the sound tube. The earbud assembly includes an earbud body, an earbud tube fixedly connected to the middle of the earbud body, a slot opened on the inner wall of the earbud tube, and a block fixedly connected to the outer wall of the second dustproof net. The second dustproof net is set inside the slot by the block.

[0008] Furthermore, the top surface of the lower shell matches the shape and size of the bottom surface of the upper shell, and the bottom surface of the upper shell and the corresponding position of the receiving cavity are provided with grooves of matching shape, so that the top surface of the lower shell and the bottom surface of the upper shell can fit together.

[0009] Furthermore, there are two earphone bodies, with the bottom ends of both earphone bodies abutting against the bottom surface of the inner wall of the receiving cavity, and the top ends of both earphone bodies abutting against the groove opened on the bottom surface of the upper shell.

[0010] Furthermore, a circular ring is welded onto the sound tube, and one end of the earbud is fitted onto the ring. A first dustproof mesh is located between the sound tube and the earbud, and the diameter of the first dustproof mesh matches the inner diameter of the earbud.

[0011] Furthermore, the earbud body is shaped like a bowl with openings at both ends, and the earbud tube is shaped like a cylinder with openings at both ends, with the central axes of the earbud body and the earbud tube coinciding.

[0012] Furthermore, there are four slots and four blocks. The four slots are arranged in a cross shape on the inner wall of the earphone tube. The diameter of the second dustproof mesh matches the diameter of the inner wall of the earphone tube. The four blocks are arranged in a cross shape on the outer edge of the second dustproof mesh. The positions of the four blocks correspond to the positions of the four slots. The outer wall of the second dustproof mesh is set against the inner wall of the earphone tube.

[0013] This utility model has the following beneficial effects:

[0014] This invention utilizes a sound guide tube, earplug assembly, second dustproof mesh, and locking block to form a tight fit between the circumferential ring and the inner wall of the earplug, preventing axial sliding of the earplug assembly during wear or activity. The second dustproof mesh achieves precise and stable installation and convenient replacement through a cross-shaped locking structure, effectively blocking earwax. It can be disassembled and replaced by hand without tools, making it convenient for users to regularly clean or replace the mesh to remove accumulated earwax.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a Bluetooth headset;

[0017] Figure 2 This is a structural diagram of the earphone shell assembly;

[0018] Figure 3 An exploded structural diagram of the earphone body, sound guide, first dustproof mesh, earplug assembly, second dustproof mesh, and locking block;

[0019] Figure 4 This is a schematic diagram of the internal structure of the earbud assembly, the second dust filter, and the card block.

[0020] In the diagram: 1. Earphone shell assembly; 101. Lower shell; 102. Upper shell; 103. Receiving cavity; 2. Earphone body; 3. Sound tube; 4. First dustproof mesh; 5. Earplug assembly; 501. Earplug body; 502. Earplug tube; 503. Slot; 6. Second dustproof mesh; 7. Locking block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 This utility model provides a technical solution: an in-ear Bluetooth headset, including a headset shell assembly 1, an earbud assembly 5, and a second dustproof mesh 6. The headset shell assembly 1 serves as a storage carrier for the headset and has a built-in lithium battery, charging interface, and Hall sensor. The lithium battery charges the headset body 2 through contacts. The Hall sensor can sense the opening and closing state of the upper shell 102 to control the headset shell assembly 1 to go into sleep or wake up. The headset shell assembly 1 includes a lower shell 101, and the upper shell 102 is hinged to the top of the lower shell 101. The lower shell 101 and the upper shell 102 are hinged to achieve opening and closing. The top surface of the lower housing 101 has two receiving cavities 103. The shape and size of the top surface of the lower housing 101 match the shape and size of the bottom surface of the upper housing 102. The bottom surface of the upper housing 102 and the corresponding positions of the receiving cavities 103 have grooves of matching shape. The grooves cooperate with the receiving cavities 103 to form a limiting space. The top surface of the lower housing 101 and the bottom surface of the upper housing 102 can fit together to form a closed protection for the internal receiving cavities 103. The closed structure protects the headphone body 2 from external collisions and dust contamination, improves the portability and protection of the headphones, and ensures the stability of the storage state.

[0023] The earphone body 2 is inserted into the cavity 103. The earphone body 2 is equipped with a Bluetooth chip. There are two earphone bodies 2. The bottom of the two earphone bodies 2 is set against the bottom surface of the inner wall of the cavity 103, and the top of the two earphone bodies 2 is set against the groove opened on the bottom surface of the upper shell 102. This prevents the earphone from colliding with the shell due to movement or vibration, ensuring the stability of the earphone during carrying and reducing the risk of wear.

[0024] One end of the headphone body 2 is provided with a sound guide tube 3, which is the channel for sound transmission. A first dustproof mesh 4 is glued to one end of the sound guide tube 3 to prevent external dust from entering the headphone body 2. A circular ring is welded on the sound guide tube 3. One end of the earphone tube 502 is fitted onto the circular ring, which provides an installation positioning point for the earphone tube 502, so that the earphone assembly 5 can be stably fitted. The first dustproof mesh 4 is located between the sound guide tube 3 and the earphone tube 502. The diameter of the first dustproof mesh 4 matches the inner wall diameter of the earphone tube 502, reducing dust contamination inside the headphone, ensuring stable sound quality, and preventing the earphone assembly 5 from falling off.

[0025] One end of the earplug assembly 5 is sleeved on the sound tube 3. The earplug assembly 5 includes an earplug body 501. An earplug tube 502 is fixedly connected to the middle of the earplug body 501. The earplug body 501 is bowl-shaped with openings at both ends. The bowl-shaped structure of the earplug body 501 is used to fit the ear canal and enhance the wearing seal and comfort. The earplug tube 502 is cylindrical with openings at both ends. The central axes of the earplug body 501 and the earplug tube 502 coincide. A slot 503 is opened on the inner wall of the earplug tube 502. A locking block 7 is fixedly connected to the outer wall of the second dustproof net 6. The second dustproof net 6 is locked in place inside the slot 503 by the locking block 7. It can be disassembled for cleaning or replacement. The second dustproof net 6 can effectively block earwax and other impurities.

[0026] There are four slots 503 and four locking blocks 7. The four slots 503 are arranged in a cross shape on the inner wall of the earphone tube 502. The diameter of the second dustproof mesh 6 matches the diameter of the inner wall of the earphone tube 502. The four locking blocks 7 are arranged in a cross shape on the outer edge of the second dustproof mesh 6. The positions of the four locking blocks 7 correspond to the positions of the four slots 503. Through the symmetrically distributed locking structure, the installation position of the second dustproof mesh 6 is ensured to be accurate, and the second dustproof mesh 6 is ensured to be installed in the center and firmly inside the earphone tube 502. The outer wall of the second dustproof mesh 6 is set against the inner wall of the earphone tube 502. The outer wall of the second dustproof mesh 6 and the inner wall of the earphone tube 502 are in contact to form a seal. The locking structure facilitates quick disassembly and replacement.

[0027] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An in-ear Bluetooth headset, comprising an earphone shell assembly (1), characterized in that: The earphone shell assembly (1) includes a lower shell (101), an upper shell (102) is hinged to the top of the lower shell (101), and two receiving cavities (103) are opened on the top surface of the lower shell (101). An earphone body (2) is inserted into the receiving cavity (103), and a sound guide tube (3) is provided at one end of the earphone body (2). A first dustproof mesh (4) is attached to one end of the sound guide tube (3). It also includes an earplug assembly (5) and a second dustproof mesh (6). One end of the earplug assembly (5) is sleeved on the sound tube (3). The earplug assembly (5) includes an earplug body (501). An earplug tube (502) is fixedly connected to the middle of the earplug body (501). A slot (503) is opened on the inner wall of the earplug tube (502). A locking block (7) is fixedly connected to the outer wall of the second dustproof mesh (6). The second dustproof mesh (6) is locked inside the slot (503) by the locking block (7).

2. The in-ear Bluetooth headset according to claim 1, characterized in that, The top surface shape and size of the lower housing (101) match the bottom surface shape and size of the upper housing (102). The bottom surface of the upper housing (102) and the corresponding position of the receiving cavity (103) are provided with grooves of matching shape. The top surface of the lower housing (101) and the bottom surface of the upper housing (102) can fit together.

3. The in-ear Bluetooth headset according to claim 2, characterized in that, The number of the earphone bodies (2) is two. The bottom ends of the two earphone bodies (2) are abutted against the bottom surface of the inner wall of the receiving cavity (103), and the top ends of the two earphone bodies (2) are abutted against the groove opened on the bottom surface of the upper shell (102).

4. The in-ear Bluetooth headset according to claim 1, characterized in that, A ring is welded on the sound guide tube (3), and one end of the earplug tube (502) is sleeved on the ring. The first dustproof net (4) is located between the sound guide tube (3) and the earplug tube (502), and the diameter of the first dustproof net (4) matches the inner wall diameter of the earplug tube (502).

5. An in-ear Bluetooth headset according to claim 1, characterized in that, The earplug body (501) is bowl-shaped with openings at both ends, and the earplug tube (502) is cylindrical with openings at both ends. The central axes of the earplug body (501) and the earplug tube (502) coincide.

6. An in-ear Bluetooth headset according to claim 5, characterized in that, The number of slots (503) and blocks (7) is four. The four slots (503) are arranged in a cross shape on the inner wall of the earphone tube (502). The diameter of the second dustproof net (6) matches the diameter of the inner wall of the earphone tube (502). The four blocks (7) are arranged in a cross shape on the outer edge of the second dustproof net (6). The positions of the four blocks (7) correspond to the positions of the four slots (503). The outer wall of the second dustproof net (6) is abutted against the inner wall of the earphone tube (502).