Head-mounted OWS open earphone

Abstract

The utility model provides a head-mounted OWS open earphone. The head-mounted OWS open earphone comprises a head beam and two earphone bodies, the two earphone bodies are connected with the two sides of the head beam respectively, and at least one earphone body comprises an ear frame, a sound production unit and a rotary cover; the inner side of the ear rack is provided with an accommodating cavity for accommodating an ear, the sound production unit is mounted on one side of the ear rack, a part of structure of the sound production unit is located in the accommodating cavity, at least one air hole is formed between the sound production unit and the ear rack, and the air hole is communicated with the accommodating cavity; the rotary cover is rotatably mounted on the ear frame and opens or closes the air hole during rotation so as to switch the earphone mode; according to the earphone, the air hole can be opened or closed through rotation of the rotary cover so as to switch the earphone mode, so that the earphone provides two use modes, the two use modes can be switched randomly so as to adapt to requirements of different users and adapt to different environments, the earphone is very convenient and flexible to use, and the use experience can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone technical field especially is related to a kind of head-mounted OWS open earphone. BACKGROUND

[0002] Headset is the most common one among many earphone types. When using, earphone is worn on head, its structure can completely cover ear, so it performs well in sound insulation and noise reduction. However, this wearing method can easily lead to the situation that, since headset is usually equipped with ear cover, after ear cover covers ear, it can cause ear not to be breathable. Long time use, especially in high temperature, user's ear can feel hot and uncomfortable, so it can easily affect use experience. In addition, earphone can easily accumulate sweat after long wearing, and ear sweat can further reduce the service life of ear cover.

[0003] At present, although there are some open head-mounted earphones on the market, they mainly solve the hot problem by opening ventilation holes on earphone. However, this design can easily let external wind enter earphone to form wind noise when wearing, thereby affecting the sound quality effect of earphone, and further affecting use experience. Moreover, open head-mounted earphone can easily make ear feel very cold when exposed to low temperature weather, which can also affect use experience.

[0004] Therefore, for open head-mounted earphone, how to solve wind noise problem, improve warm-keeping performance in cold weather, and improve signal-to-noise ratio (SNR) and noise reduction effect in noisy environment are problems that need to be considered and solved. SUMMARY

[0005] The utility model provides a kind of head-mounted OWS open earphone to solve the problem of poor use experience of existing headset.

[0006] The technical scheme adopted by the utility model is as follows: a kind of head-mounted OWS open earphone, comprising: head beam and two earphone bodies;Two earphone bodies are connected with the two sides of the head beam respectively, at least one earphone body includes ear holder, sound unit and rotating cover;The inner side of the ear holder has a receiving cavity for accommodating ear, the sound unit is installed on one side of the ear holder, and part of the structure of the sound unit is located in the receiving cavity, the sound unit and the ear holder have at least one air hole, the air hole is communicated with the receiving cavity;The rotating cover is rotatably installed on the ear holder, and when rotating, it realizes opening or closing of the air hole to switch earphone mode.

[0007] In an embodiment, a limiting strip is provided at the side edge of the rotating cover facing the ear holder, a limiting groove is provided at the end face of the ear holder away from ear, and the limiting strip is clamped into the limiting groove.

[0008] In an embodiment, an ANC module is arranged in the earphone body, and the ANC module is configured to perform noise reduction on the earphone.

[0009] In an embodiment, a driving assembly is arranged on the ear holder, and the driving assembly is connected with the rotating cover, and the driving assembly is configured to drive the rotating cover to rotate.

[0010] In an embodiment, the sound generating unit is arranged as a protrusion away from one side of the accommodating cavity; the rotating cover comprises a cover body and a first shielding piece, the first shielding piece is mounted at a side wall of the cover body, the cover body is rotatably mounted on the protrusion, and the cover body drives the first shielding piece to open or close the air hole when rotating.

[0011] In an embodiment, an end surface of the protrusion is provided with a connecting hole, and a connecting column is arranged on the cover body, and the connecting column is rotatably mounted in the connecting hole.

[0012] In an embodiment, a fastener is arranged on the protrusion, and the fastener is connected to the connecting column through the connecting hole, so as to limit the connecting column of the rotating cover in the connecting hole, and make the rotating cover rotate on the protrusion.

[0013] In an embodiment, a driving assembly is arranged in the protrusion, and the driving assembly is connected to the connecting column through the connecting hole, and the driving assembly is configured to drive the rotating cover to rotate.

[0014] In an embodiment, the driving assembly is arranged as a lifting motor, the lifting motor drives the rotating cover to rotate and makes the rotating cover approach or move away from the protrusion while rotating.

[0015] In an embodiment, the sound generating unit is arranged as a protrusion away from one side of the accommodating cavity, and a groove is recessed at a side wall of the protrusion; the rotating cover comprises a ring piece and a second shielding piece, the second shielding piece is mounted at a side wall of the ring piece, the ring piece is rotatably mounted at the groove of the protrusion, and the ring piece drives the second shielding piece to open or close the air hole when rotating.

[0016] In an embodiment, the sound generating unit is arranged as a protrusion away from one side of the accommodating cavity, and a sliding groove is recessed at a side wall of the protrusion; the rotating cover is arranged as a fan structure, and is movably mounted in the sliding groove.

[0017] The beneficial effects of this utility model are as follows: In this application, the ventilation hole can be opened or closed by rotating the cover to switch the headphone mode. When the ventilation hole is open, the headphone switches to open mode, allowing the ears to breathe and effectively solving the problem of ear stuffiness. When the ventilation hole is blocked, it is closed, and the headphone switches to closed mode, creating a sealed environment around the ears, effectively reducing sound leakage and improving acoustic output performance and noise reduction. At the same time, it can prevent the ears from being exposed to the cold in low temperatures, providing a certain degree of warmth. Therefore, this application provides two usage modes that can be switched at will to adapt to the needs of different users and different environments, making it very convenient and flexible to use and effectively improving the user experience. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following embodiments to explain the present invention, but should not be construed as limiting the present invention. In the drawings:

[0019] Figure 1 This is a schematic diagram showing the state of the vent after it has been opened in Embodiment 1 of this utility model;

[0020] Figure 2 This is a schematic diagram showing the state after the vent is blocked in Embodiment 1 of this utility model;

[0021] Figure 3 This is an enlarged schematic diagram of the earphone body in Embodiment 1 of this utility model (the state after the vent is opened);

[0022] Figure 4 This is an enlarged schematic diagram of the earphone body in Embodiment 1 of this utility model (the state after the vent is blocked);

[0023] Figure 5 This is an exploded view of the earphone body in Embodiment 1 of this utility model;

[0024] Figure 6 This is an enlarged schematic diagram of the ear bracket in Embodiment 1 of this utility model;

[0025] Figure 7 This is an enlarged schematic diagram of the rotating cover in Embodiment 1 of this utility model;

[0026] Figure 8 This is a cross-sectional schematic diagram of the earphone body in Embodiment 1 of this utility model;

[0027] Figure 9 This is a cross-sectional schematic diagram of the earphone body in Embodiment 2 of this utility model;

[0028] Figure 10 This is an enlarged schematic diagram of the earphone body in Embodiment 3 of this utility model;

[0029] Figure 11 It is the enlarged schematic view of ear frame in embodiment three of the utility model;

[0030] Figure 12 It is the enlarged schematic view of rotating cover in embodiment three of the utility model;

[0031] Figure 13 It is the cross section schematic view of earphone body in embodiment three of the utility model;

[0032] Figure 14 It is the enlarged schematic view of earphone body in embodiment four of the utility model;

[0033] Figure 15 It is the cross section schematic view of earphone body in embodiment four of the utility model;

[0034] Figure 16 It is Figure 15 The enlarged schematic view of position A.

[0035] ILLUSTRATIONS OF THE DRAWINGS: 10, head beam; 20, earphone body; 21, ear frame; 211, limiting groove; 212, boss; 2121, limiting plate; 22, sound generating unit; 23, rotating cover; 231, limiting strip; 232, cover body; 233, first shielding piece; 234, annular piece; 235, second shielding piece; 236, clamping convex; 24, fastener; 241, bolt; 242, gasket; 25, motor; 251, output shaft; 26, ball; 201, containing cavity; 202, air hole; 203, installation groove; 204, connecting hole; 205, connecting column; 206, fixing hole; 207, slot; 208, sliding slot; 209, clamping groove. DETAILED DESCRIPTION

[0036] The specific embodiments described hereinbefore are intended to be illustrative only and are presented by way of example only to most effectively illustrate the present utility model. It is contemplated to be within the scope of the present utility model that changes and modifications can be made by those skilled in the art, which, if within the spirit of the utility model, fall within the scope of the present utility model.

[0037] For the convenience of those skilled in the art to understand, the specific implementation process of the technical solutions in the present application is described by the following multiple embodiments.

[0038] Embodiment one:

[0039] Please refer to Figure 1 - Figure 8 The head-mounted OWS open earphone of the embodiment comprises a head beam 10 and two earphone bodies 20.

[0040] Two earphone bodies 20 are connected with two sides of the head beam 10 respectively, and at least one earphone body 20 comprises an ear holder 21, a sound unit 22 and a rotating cover 23; the ear holder 21 is annular to form a containing cavity 201 for accommodating an ear on the inner side; the sound unit 22 is installed on the side of the ear holder 21 away from the ear, and a part of the structure of the sound unit 22 is located in the containing cavity 201; the sound unit 22 and the ear holder 21 have at least one air hole 202 therebetween, the air hole 202 is communicated with the containing cavity 201, the side of the air hole 202 is a plate structure, the sound unit 22 and the ear holder 21 are connected through the plate structure, and the plate structure shields the containing cavity 201; the rotating cover 23 is rotatably installed on the ear holder 21 and opens or closes the air hole 202 when rotating, so as to switch the earphone to an open mode or a closed mode.

[0041] Therefore, in the embodiment, the air hole 202 can be opened or closed by rotating the rotating cover 23 to switch the earphone mode, wherein when the air hole 202 is opened, the earphone is switched to the open mode, at this time, the ear can be ventilated, effectively solving the problem of hot ears; when the air hole 202 is shielded, the air hole 202 is closed at this time, the earphone is switched to the closed mode, a sealed environment can be formed around the ear, effectively reducing the sound leakage of the earphone and reducing wind noise, thereby improving the acoustic output performance and noise reduction effect of such an open earphone, and at the same time, it can prevent the user's ears from being exposed to the cold when wearing the earphone in low temperature weather, and has a certain warming effect; therefore, the application provides two use modes, which can be switched at will to adapt to the needs of different users and different environments, and is very convenient and flexible to use, which can effectively improve the use experience

[0042] In the embodiment, the sound unit 22 and the ear holder 21 have two air holes 202 therebetween, and the air holes 202 are symmetrically arranged around the sound unit 22, and the air holes 202 are in a fan structure, which has good ventilation effect. Of course, in other embodiments, the shape, number and arrangement of the air holes 202 are not limited.

[0043] In the embodiment, the sound generating unit 22 is provided as a boss 212 on the side away from the accommodating cavity 201; the rotating cover 23 comprises a cover body 232 and a first shielding piece 233; the cover body 232 is in a columnar shape, and has a mounting groove 203 on the side facing the sound generating unit 22, the mounting groove 203 is in a structure corresponding to the boss 212, and the cover body 232 is mounted on the boss 212 by being fitted into the mounting groove 203, and the cover body 232 can rotate on the boss 212; and the first shielding piece 233 is in a sector structure, and is mounted on the side wall of the cover body 232, specifically, the cover body 232 has two first shielding pieces 233, each of which corresponds to a gas passage hole 202, and the first shielding piece 233 can be driven to open or close the gas passage hole 202 by rotating the cover body 232, so as to switch the earphone to the open mode or the closed mode.

[0044] It is worth mentioning that the boss 212 is a tail structure of the sound generating unit 22, and is integrally formed with the sound generating unit 22, of course, in other embodiments, the boss 212 can be provided as a structure extending from the ear holder 21 to the middle of the ear holder 21, and provides a position to mount the sound generating unit 22 and other components.

[0045] Further, the end face of the boss 212 facing the rotating cover 23 and located at the center line is provided with a connecting hole 204, and the mounting groove 203 of the cover body 232 is provided with a connecting column 205, the connecting column 205 is matched with the connecting hole 204 and is inserted into the connecting hole 204, and the connecting column 205 and the connecting hole 204 are in sliding connection. In addition, the connecting column 205 and the connecting hole 204 can play a positioning role, and facilitate the quick mounting of the rotating cover 23 on the boss 212.

[0046] In order to prevent the rotating cover 23 from falling off from the connecting hole 204 of the boss 212, in the embodiment, the boss 212 is provided with a fastener 24, the fastener 24 is connected to the connecting column 205 after being inserted into the connecting hole 204 in the interior of the boss 212, so as to limit the mounting of the connecting column 205 of the rotating cover 23 in the connecting hole 204, and enable the rotating cover 23 to rotate on the boss 212. Specifically, the connecting column 205 is provided with a fixing hole 206, which is a threaded hole; the fastener 24 comprises a bolt 241 and a gasket 242, the gasket 242 is located in the boss 212 and abuts against the connecting hole 204, and the bolt 241 is connected to the fixing hole 206 of the connecting column 205 after being inserted into the connecting hole 204 and the gasket 242 in sequence, so as to limit and fix the connecting column 205 in the connecting hole 204, and enable the rotating cover 23 to be rotatably mounted on the boss 212 and the ear holder 21 through the bolt 241 and the gasket 242.

[0047] In the embodiment, the rotary cover 23 is provided with a limiting strip 231 at the side edge facing the ear holder 21, and the ear holder 21 is provided with a ring-shaped limiting groove 211 at the end surface away from the ear, the limiting strip 231 is clamped into the limiting groove 211, when the rotary cover 23 rotates, the limiting strip 231 will move along the limiting groove 211 structure, so as to play a guiding role, ensure the rotary cover 23 rotates in the predetermined direction, and make the rotation more stable.

[0048] In the embodiment, the earphone body 20 is provided with an ANC module, specifically, the ANC module is arranged in the sound generating unit 22, and the ANC module is used for actively reducing noise of the earphone. After the rotary cover 23 blocks the air hole 202, the noise reduction effect of the earphone can be improved, in order to ensure the noise reduction quality, the ANC module can be started to actively reduce noise, further improve the noise reduction ability, and ensure the sound quality of the earphone.

[0049] Further, the earphone body 20 is provided with a button, and the ANC module can be started / closed through the button.

[0050] Further, the two earphone bodies 20 are symmetrically arranged on the two sides of the head beam 10, and are not limited to this.

[0051] When the earphone of the embodiment is used, the earphone is worn on the head, and the two ears are respectively placed in the accommodating cavities 201 of the two earphone bodies 20; when it is needed to switch the earphone to the open mode, the cover body 232 of the rotary cover 23 can be manually rotated, the air hole 202 is opened after the rotary cover 23 is rotated to the position (as shown in Figure 1 ), and the earphone is switched to the open mode, at this time, the air hole 202 is communicated between the outside and the accommodating cavity 201, the ear is ventilated, and the problem of stuffiness after long time wearing of the user is reduced. When it is needed to switch the earphone to the closed mode, the rotary cover 23 is rotated and the rotary cover 23 blocks the air hole 202, at this time, as shown in Figure 2 , the air hole 202 is not exposed, so that the wind noise sound is blocked, the noise reduction effect is improved, the SNR (signal-to-noise ratio) of the noise environment is improved, and the ear warming in cold weather is solved.

[0052] Embodiment two:

[0053] Please refer to Figure 9 Compared with the first embodiment, the difference of the embodiment is that the earphone structure of the embodiment can automatically rotate the rotary cover 23.

[0054] In this embodiment, the boss 212 is provided with a driving assembly, the driving assembly is connected to the connecting column 205 through the connecting hole 204, so that the rotating cover 23 is driven to rotate by the driving assembly, and the air vent 202 is automatically opened or closed. Specifically, the driving assembly is an electric motor 25, the output shaft 251 of the electric motor 25 penetrates the connecting hole 204 and is fixedly connected with the fixing hole 206 on the connecting column 205, so that the rotating cover 23 can be driven to rotate by the electric motor 25, and the air vent 202 is automatically opened and closed without manual operation.

[0055] Further, the earphone body 20 is provided with a button, the electric motor 25 is started by the button, so that the air vent 202 is opened and closed, and the earphone mode is switched.

[0056] Further, the electric motor 25 is a lifting motor, the lifting motor can drive the rotating cover 23 to rotate and make the rotating cover 23 approach or move away from the boss 212 while rotating; wherein, when the rotating cover 23 approaches the boss 212, the air vent 202 can be gradually closed, and when the rotating cover 23 moves away from the boss 212, the air vent 202 can be gradually opened; specifically, when the rotating cover 23 is rotated by the lifting motor and moves away from the boss 212 during use, the air vent 202 can be opened and the rotating cover 23 can be lifted on the boss 212; when the rotating cover 23 is rotated by the lifting motor and finally adheres to the boss 212, the rotating cover 23 can just cover the air vent 202.

[0057] Moreover, the connecting column 205 in the middle of the rotating cover 23 is installed in the connecting hole 204 of the boss 212, and the limiting of the connecting column 205 and the connecting hole 204 can guide the up and down movement of the rotating cover 23, so as to ensure that the rotating cover 23 moves accurately along the center line of the boss 212 to the predetermined position.

[0058] Embodiment three:

[0059] Please refer to Figure 10 - Figure 13 Compared with embodiment one, the difference of this embodiment is that:

[0060] In this embodiment, the side wall of the boss 212 is recessed with a slot 207; the rotating cover 23 comprises a circular ring piece 234 and a second shielding piece 235, the circular ring piece 234 is a hollow column structure, the circular ring piece 234 is rotatably embedded in the slot 207 of the boss 212, and the second shielding piece 235 is a fan-shaped structure and is installed on the side wall of the circular ring piece 234; when the circular ring piece 234 is rotated or the second shielding piece 235 is pushed, the second shielding piece 235 can be moved to the corresponding position to open or close the air vent 202, so as to switch the earphone mode.

[0061] Further, the boss 212 structure corresponding to the top of the slot 207 is a limiting plate 2121, the limiting plate 2121 is arranged outwardly from the boss 212 and covers above the slot 207, the limiting plate 2121 and the boss 212 can be arranged integrally or separately, when the limiting plate 2121 and the boss 212 are arranged separately, the limiting plate 2121 can be installed on the boss 212 through a bolt, so as to realize detachable arrangement, thereby facilitating the disassembly and assembly of the rotating cover 23 on the boss 212.

[0062] In use, the earphone in the embodiment is worn on the head, and the two ears are respectively embedded in the accommodating cavities 201 of the two earphone bodies 20, when it is needed to switch the earphone to the open mode, the annular piece 234 of the rotating cover 23 is rotated or the second shielding piece 235 is pushed, so that the second shielding piece 235 does not overlap with the air hole 202, thereby opening the air hole 202 and switching the earphone to the open mode, at this time, the air hole 202 is communicated between the outside and the accommodating cavity 201, so that the ear is ventilated, and the problem of stuffiness after long-term use is reduced. When it is needed to solve the wind noise and the problem of ear warming in cold weather, the annular piece 234 of the rotating cover 23 is rotated or the second shielding piece 235 is pushed, after being rotated to the position, the second shielding piece 235 of the rotating cover 23 shields the air hole 202, so that the wind noise sound is blocked, the noise reduction effect is improved, and the SNR (signal-to-noise ratio) of the noise environment is improved, and the ear warming in cold weather is solved.

[0063] Embodiment four:

[0064] Please refer to Figure 14 - Figure 16 Compared with the embodiment one, the difference of the embodiment is that:

[0065] In the embodiment, the side wall of the boss 212 is recessed with an annular sliding groove 208; the rotating cover 23 is a fan-shaped structure and is movably installed in the sliding groove 208, and the rotating cover 23 is moved to the corresponding position to realize opening or closing of the air hole 202, so as to switch the earphone mode. Among them, the upper side of the rotating cover 23 is inserted in the sliding groove 208, at the same time, the lower side of the rotating cover 23 is provided with a limiting strip 231, the limiting strip 231 is clamped in the limiting groove 211 of the boss 212, therefore, the lower side of the rotating cover 23 is limited through the cooperation of the limiting groove 211 and the limiting strip 231, and the upper side of the rotating cover 23 is limited through the sliding groove 208, therefore, the upper and lower sides of the rotating cover 23 are both limited and fixed by the corresponding structures, so that the rotating cover 23 is stably installed on the earphone body 20 and can be stably rotated.

[0066] Of course, in order to make the installation of the rotating cover 23 more stable, in the embodiment, the top surface of the sliding groove 208 is recessed with a clamping groove 209, the clamping groove 209 is annular and is arranged along the structure of the sliding groove 208, and the upper side of the rotating cover 23 is protruded with a clamping protrusion 236, the clamping protrusion 236 is embedded in the clamping groove 209 for limiting, so that the installation of the rotating cover 23 is more stable.

[0067] Further, in order to facilitate the movement of the rotating cover 23 in the sliding groove 208, in the embodiment, the bottom surface of the sliding groove 208 is provided with a ball 26, the top surface of the ball 26 is in contact with the rotating cover 23, and the ball 26 can reduce the friction of the rotating cover 23 in the sliding groove 208, facilitating the movement of the rotating cover 23 in the sliding groove 208.

[0068] In use, the earphone is worn on the head, and the two ears are respectively embedded in the accommodating cavities 201 of the two earphone bodies 20. When it is needed to switch to the open mode, the rotating cover 23 is pushed to rotate and move along the sliding groove 208, and after being moved to the position, the air hole 202 is opened, so that the earphone is switched to the open mode. At this time, the air hole 202 is communicated between the outside and the accommodating cavity 201, so that the ear is ventilated, and the problem of stuffiness after long-term use is reduced. When it is needed to switch the earphone to the closed mode, the rotating cover 23 is rotated to block the air hole 202. At this time, the air hole 202 is closed, so that the wind noise sound is blocked, the noise reduction effect is improved, the SNR (signal-to-noise ratio) of the noise environment is improved, and the ear warming in cold weather is solved.

[0069] As long as the various different embodiments of the utility model are not combined in violation of the idea of the utility model, they should be regarded as the disclosed content of the utility model; within the technical concept of the utility model, various simple modifications of the technical scheme and arbitrary combinations of different embodiments without violating the idea of the utility model should be within the protection scope of the utility model.

Claims

1. An open ear OWS headset comprising: The head beam and two earphone bodies are connected with two sides of the head beam respectively, characterized in that at least one of the earphone bodies comprises an ear holder, a sound unit and a rotating cover; the inner side of the ear holder is provided with a receiving cavity for accommodating an ear, the sound unit is installed on one side of the ear holder, and a part of the structure of the sound unit is located in the receiving cavity; at least one air hole is provided between the sound unit and the ear holder, and the air hole is communicated with the receiving cavity; the rotating cover is rotatably installed on the ear holder and can open or close the air hole to switch the earphone mode when rotating.

2. A head-wearable OWS open earpiece according to claim 1, characterized in that: The rotating cover is provided with a limiting strip at the side edge of the ear holder, and the ear holder is provided with a limiting groove at the end surface away from the ear.

3. The head-wearable OWS open earpiece of claim 1, wherein: The earphone body is provided with an ANC module for noise reduction of the earphone.

4. The head-wearable OWS open earpiece of claim 1, wherein: The ear holder is provided with a driving assembly connected with the rotating cover, and the driving assembly is used to drive the rotating cover to rotate.

5. The head-wearable OWS open earpiece of claim 1, wherein: The side of the sound unit away from the receiving cavity is provided with a boss; the rotating cover comprises a cover body and a first shielding piece, the first shielding piece is installed on the side wall of the cover body, the cover body is rotatably installed on the boss, and the first shielding piece is driven to open or close the air hole when the cover body rotates.

6. A head-wearable OWS open earpiece according to claim 5, characterized in that: The end surface of the boss towards the rotating cover is provided with a connecting hole, and the cover body is provided with a connecting column rotatably installed in the connecting hole.

7. A head-wearable OWS open earpiece according to claim 6, characterized in that: The boss is provided with a fastener connected to the connecting column through the connecting hole, so as to limit the installation of the connecting column of the rotating cover in the connecting hole, and make the rotating cover rotate on the boss.

8. A head-wearable OWS open earpiece according to claim 6, characterized in that: The boss is provided with a driving assembly connected to the connecting column through the connecting hole, and the driving assembly is used to drive the rotating cover to rotate.

9. A head-wearable OWS open earpiece according to claim 8, characterized in that: The driving assembly is an elevating motor, which drives the rotating cover to rotate and makes the rotating cover close to or away from the boss while rotating.

10. The head-wearable OWS open earpiece of claim 1, wherein: The side of the sound unit away from the receiving cavity is provided with a boss, and the side wall of the boss is recessed with a slot; the rotating cover comprises a ring piece and a second shielding piece, the second shielding piece is installed on the side wall of the ring piece, the ring piece is rotatably installed at the slot of the boss, and the ring piece drives the second shielding piece to open or close the air hole when rotating.

11. An open ear OWS headset as claimed in claim 1 or 2, wherein: The side of the sound unit away from the receiving cavity is provided with a boss, and the side wall of the boss is recessed with a slot; the rotating cover is a fan-shaped structure and is movably installed in the sliding groove.

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