Bone conduction earphone

Abstract

The application relates to the technical field of loudspeaker equipment, and discloses a bone conduction earphone, which comprises a first shell, a second shell, a first concave cavity, a second concave cavity, a mounting cylinder, and a vibrating piece.

Description

Technical Field

[0001] This application relates to the field of speaker equipment technology, and specifically to a bone conduction headphone. Background Technology

[0002] Most headphones on the market currently use air conduction and / or bone conduction as sound transmission modes. In existing bone conduction headphones, the vibration module is directly inserted into the headphone shell. The vibration module makes contact with the inner wall of the headphone shell to improve the relative movement between the vibration module and the headphone shell, thereby ensuring that the headphone module does not loosen inside the headphone shell and that the vibration of the vibration module can be better transmitted to the headphone shell.

[0003] However, due to the tolerances that exist during the production of the vibration module and the earphone shell, the connection between some vibration modules and the earphone shell is not tight, which can lead to a loose connection between the vibration module and the earphone shell. Moreover, after the vibration module abuts against the inner wall of the earphone shell, the vibration module completely fills the earphone shell. Therefore, once the vibration module is installed in the earphone shell, it is not conducive to the replacement and maintenance of the vibration module. Utility Model Content

[0004] This application provides a bone conduction headphone designed to solve the problem of inconvenience in replacing and maintaining the vibration module in the prior art.

[0005] In one embodiment, a bone conduction headphone is provided, comprising:

[0006] A first housing, the first housing having a first cavity;

[0007] A second housing has a second cavity; the edges of the first cavity and the edges of the second cavity are fastened and limited together; an installation cylinder is fixedly provided inside the second cavity;

[0008] A vibrating element is installed inside the mounting cylinder, and the vibrating element is detachably connected to the mounting cylinder by a snap fastener; the vibrating element abuts against the inner wall of the mounting cylinder.

[0009] The vibrating element is in contact with the inner wall of the mounting cylinder.

[0010] In one embodiment, the vibrating element includes a protective shell, a base plate, a coil, and an oscillator assembly; the protective shell has a third cavity; the protective shell is inserted into the mounting cylinder, and the protective shell is detachably connected to the inner wall of the mounting cylinder; the base plate is fixedly connected to the protective shell; the coil is fixedly connected to the bottom of the third cavity; the oscillator assembly is installed in the third cavity; and the oscillator assembly is fixedly connected to the inner wall of the third cavity.

[0011] In one embodiment, the vibrator assembly includes a vibrating shell, a magnet, and a connecting piece; the vibrating shell has a fourth cavity, and the magnet is fixedly connected to the bottom of the fourth cavity; the coil can extend into the fourth cavity, and the magnet can extend into the coil; the vibrating shell is fixedly connected to the connecting piece; the protective shell fixes the edge of the connecting piece to the inner wall of the mounting cylinder.

[0012] In one embodiment, a demagnetizing plate is fixedly connected to the magnet, and the demagnetizing plate is located inside the coil.

[0013] In one embodiment, the inner wall of the mounting cylinder has a limiting protrusion; the opening edge of the third cavity abuts the edge of the connecting piece against the side of the limiting protrusion.

[0014] In one embodiment, the inner wall of the mounting cylinder has a limiting groove and a limiting hole; the outer surface of the protective shell has a limiting block and a locking block; the limiting block and the locking block are inserted into the limiting groove and the limiting hole respectively.

[0015] In one embodiment, a limiting rod is fixedly connected in the limiting groove, and a slot is provided on the limiting block for the limiting rod to be engaged.

[0016] Specifically, the limiting rod extends along the extension direction of the mounting cylinder.

[0017] In one embodiment, the first housing, the second housing, and the number of the vibrating elements are all provided in pairs, one-to-one correspondence.

[0018] In one embodiment, the device further includes a controller and a power supply unit. The controller is fixedly connected to one of the first housings via a first connecting pipe, and the power supply unit is fixedly connected to another of the first housings via a second connecting pipe. The vibrating element is electrically connected to the controller, and the power supply unit is electrically connected to the controller via a third connecting pipe.

[0019] Specifically, the first, second, and third connecting pipes are all equipped with wires, and the two vibrating components and the battery pack are electrically connected to the controller through the wires.

[0020] The controller has external control buttons that are electrically connected to it.

[0021] In one embodiment, the opening edge of the first cavity has a latch, and the opening edge of the second cavity has a protrusion for engaging with the latch, the protrusion being press-fitted with the latch.

[0022] The beneficial effects of this application are:

[0023] The vibrating element is detachably installed inside the mounting cylinder via a snap fastener. Since the outer wall of the mounting cylinder is spaced apart from the inner wall of the two concave cavities, after the vibrating element is installed in the mounting cylinder, the corresponding tool can be inserted between the outer wall of the mounting cylinder and the inner wall of the two concave cavities to separate the snap fastener connecting the vibrating element to the mounting cylinder, so as to remove the vibrating element and replace or repair it.

[0024] Since the vibrating element can be detachably installed in the mounting cylinder via a snap fastener, compared to the case where the vibrating element directly abuts against the inner wall of the second cavity, the production tolerance allowed when the vibrating element and the mounting cylinder are engaged via a snap fastener is larger. As long as the snap fastener of the vibrating element can abut against the inner wall of the mounting cylinder, it is acceptable.

[0025] Since the vibrating element can be detachably installed in the mounting cylinder via a snap-fit, compared to the case where the vibrating element directly abuts against the inner wall of the second cavity, it can prevent the vibrating element from becoming loose relative to the mounting cylinder, and can prevent the vibrating element from slipping out of the mounting cylinder, resulting in an unstable connection. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of the earphone in one embodiment of this application;

[0028] Figure 2 This is an exploded schematic diagram of the vibrating element structure in one embodiment of this application;

[0029] Figure 3 This is a schematic diagram of the exploded structure of the first and second shells in one embodiment of this application;

[0030] Figure 4 yes Figure 1 Schematic diagram of the cross-sectional structure along the middle A direction;

[0031] Labels for each item in the figure:

[0032] 1. First housing; 11. First cavity; 12. Bayonet; 2. Second housing; 21. Second cavity; 22. Mounting cylinder; 23. Limiting protrusion; 24. Limiting groove; 25. Limiting hole; 26. Limiting rod; 27. Protrusion; 3. Vibrating element; 31. Protective shell; 311. Third cavity; 312. Limiting block; 313. Locking block; 314. Locking groove; 32. Base plate; 33. Coil; 34. Vibrator assembly; 341. Vibrating shell; 342. Magnet; 343. Connecting piece; 344. Demagnetizing piece; 345. Fourth cavity; 4. Controller; 5. Power supply; 6. First connecting pipe; 7. Second connecting pipe; 8. Third connecting pipe. Detailed Implementation

[0033] The specific embodiments of this application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this application, but are not intended to limit the scope of this application. Similarly, the following examples are only some embodiments of this application, not all embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0038] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0039] This application proposes improvements and innovations, and presents the following embodiments.

[0040] In some implementations, please refer to Figures 1 to 4 A bone conduction headphone is provided, comprising:

[0041] A first housing 1, the first housing 1 having a first cavity 11;

[0042] The second housing 2 has a second cavity 21; the edges of the first cavity 11 and the second cavity 21 are fastened and limited together; an installation cylinder 22 is fixedly provided inside the second cavity 21.

[0043] Vibrating element 3 is installed inside mounting cylinder 22 and is detachably connected to mounting cylinder 22 by a snap fastener; vibrating element 3 abuts against the inner wall of mounting cylinder 22.

[0044] The vibrating element 3 is in contact with the inner wall of the mounting cylinder 22.

[0045] The vibrating element 3 is detachably installed in the mounting cylinder 22 by means of a snap fastener. Since the outer wall of the mounting cylinder 22 is spaced apart from the inner wall of the two concave cavities, after the vibrating element 3 is installed in the mounting cylinder 22, the corresponding tool can be inserted between the outer wall of the mounting cylinder 22 and the inner wall of the two concave cavities to separate the snap fastener connecting the vibrating element 3 to the mounting cylinder 22, so as to remove the vibrating element 3 and replace or repair the vibrating element 3.

[0046] Since the vibrating element 3 can be detachably installed in the mounting cylinder 22 by means of a snap fastener, compared with the case where the vibrating element 3 directly abuts against the inner wall of the second cavity 21, the production tolerance allowed when the vibrating element 3 and the mounting cylinder 22 are engaged by means of a snap fastener is larger. As long as the snap fastener of the vibrating element 3 can abut against the inner wall of the mounting cylinder 22, it is acceptable.

[0047] Since the vibrating element 3 can be detachably installed in the mounting cylinder 22 by means of a snap fastener, compared with the case where the vibrating element 3 directly abuts against the inner wall of the second cavity 21, it can avoid the vibrating element 3 from loosening relative to the mounting cylinder 22, and can prevent the vibrating element 3 from slipping out of the mounting cylinder 22, resulting in an unstable connection.

[0048] In one embodiment, the vibrating element 3 includes a protective shell 31, a substrate 32, a coil 33, and an oscillator assembly 34. The protective shell 31 has a third cavity 311. The protective shell 31 is inserted into the mounting cylinder 22, and the protective shell 31 is detachably connected to the inner wall of the mounting cylinder 22. The substrate 32 is fixedly connected to the protective shell 31. The coil 33 is fixedly connected to the bottom of the third cavity 311. The oscillator assembly 34 is installed in the third cavity 311 and is fixedly connected to the inner wall of the third cavity 311. By providing the protective shell 31 to protect the oscillator assembly 34, and by detachably connecting the protective shell 31 to the mounting cylinder 22, it is easy to install and separate the protective shell 31, thereby removing the vibrating element 3. The vibrating element 3 has a simple structure and a reasonable design.

[0049] In one embodiment, the vibrator assembly 34 includes a vibrating shell 341, a magnet 342, and a connecting piece 343. The vibrating shell 341 has a fourth cavity 345, and the magnet 342 is fixedly connected to the bottom of the fourth cavity 345. A coil 33 can extend into the fourth cavity 345, and the magnet 342 can extend into the coil 33. The vibrating shell 341 is fixedly connected to the connecting piece 343. A protective shell 31 fixes the edge of the connecting piece 343 to the inner wall of the mounting cylinder 22. The fourth cavity 345 of the vibrating shell 341 provides a mounting position for the magnet 342, which not only protects the magnet 342 but also provides space for the magnet 342 to extend and retract towards the coil 33, avoiding interference from the movement of the magnet 342. The connecting piece 343 is used to transmit the vibration of the magnet 342 to the mounting cylinder 22, and finally to the second shell 2. When the second shell 2 is worn on the human body, it fits against the skull, so the vibration of the second shell 2 can be transmitted to the skull and finally to the cerebral cortex, realizing the transmission of sound.

[0050] When the connecting piece 343 transmits the vibration of the magnet 342 to the mounting cylinder 22, the vibration of the mounting cylinder 22 can also cause the air in the first cavity 11 and the second cavity 21 to vibrate. The vibrating air causes the first housing 1 and the second housing 2 to vibrate together, which improves the sound transmission efficiency.

[0051] Specifically, a layer of soft silicone is attached to the second shell 2 to reduce the contact between the second shell 2 and the skin, making it more comfortable to wear.

[0052] In one embodiment, a demagnetizing plate 344 is fixedly connected to the magnet 342, and the demagnetizing plate 344 is located inside the coil 33. The demagnetizing plate 344 optimizes the output sound quality of the headphones.

[0053] In one embodiment, the inner wall of the mounting cylinder 22 has a limiting protrusion 23; the opening edge of the third cavity 311 abuts the edge of the connecting piece 343 against the side of the limiting protrusion 23. When the protective shell 31 is inserted into the mounting cylinder 22, the opening edge of the third cavity 311 abuts the edge of the connecting piece 343 against the side of the limiting protrusion 23, thus achieving a fixed connection between the connecting piece 343 and the mounting cylinder 22. When the protective shell 31 is removed, the connecting piece 343 will naturally separate from the mounting cylinder 22. The design is reasonable and the structure is simple.

[0054] In one embodiment, a limiting groove 24 and a limiting hole 25 are formed on the inner wall of the mounting cylinder 22; the outer side of the protective shell 31 has a limiting block 312 and a locking block 313; the limiting block 312 and the locking block 313 are engaged in the limiting groove 24 and the limiting hole 25 respectively. The limiting block 312 and the locking block 313 are engaged in the limiting groove 24 and the limiting hole 25 respectively to achieve a limiting and fixed connection between the protective shell 31 and the mounting cylinder 22.

[0055] The limiting groove 24 restricts the axial rotation of the protective shell 31 along the mounting cylinder 22, and the limiting hole 25 restricts the axial movement of the protective shell 31 along the mounting cylinder 22. This ensures a firm connection between the protective shell 31 and the mounting cylinder 22.

[0056] In one embodiment, a limiting rod 26 is fixedly connected in the limiting groove 24, and a slot 314 is provided on the limiting block 312 for the limiting rod 26 to engage. The limiting rod 26 can more effectively restrict the axial rotation of the protective shell 31 along the mounting cylinder 22.

[0057] Specifically, the limiting rod 26 extends along the extension direction of the mounting cylinder 22. By designing the limiting rod 26 to extend along the extension direction of the mounting cylinder 22, it is easier to better engage the limiting rod 26 into the slot 314.

[0058] In one embodiment, the first housing, the second housing, and the vibrating element 3 are all provided in pairs, in a one-to-one correspondence. Two elements are provided to accommodate the human ear. The design is reasonable.

[0059] In one embodiment, the device further includes a controller 4 and a power supply 5. The controller 4 is fixedly connected to a first housing via a first connecting pipe 6, and the power supply 5 is fixedly connected to another first housing via a second connecting pipe 7. The vibrating element 3 is electrically connected to the controller 4, and the power supply 5 is electrically connected to the controller 4 via a third connecting pipe 8. The power supply 5 provides power to the controller 4 and the vibrating element 3, and the controller 4 allows the user to easily control the operation of the vibrating element 3, such as playing, pausing, and skipping tracks.

[0060] Specifically, wires are installed inside the first connecting pipe 6, the second connecting pipe 7, and the third connecting pipe 8, and the two vibrating components and the battery pack are electrically connected to the controller 4 through the wires.

[0061] The controller 4 has external control buttons that are electrically connected to it. These control buttons allow users to input commands such as play, pause, and skip tracks into the controller 4.

[0062] In one embodiment, the opening edge of the first cavity 11 has a latch 12, and the opening edge of the second cavity 21 has a protrusion 27 for engaging with the latch 12, the protrusion 27 being press-fitted with the latch 12. The latch 12 and the protrusion 27 enhance the robustness of the connection between the first cavity 11 and the second cavity 21.

[0063] Specifically, the protrusion 27 and the bayonet 12 are sealed together, so that the first cavity 11 and the second cavity 21 form a sealed cavity. Therefore, the air vibration in the cavity can be better transmitted to the first housing and the lower housing, improving the sound transmission efficiency. At the same time, the sealed space can reduce the entry of external moisture into the cavity and affect the normal use of the vibrating element 3.

[0064] The above are merely optional embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application. Although embodiments of this utility model have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this utility model. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this utility model.

Claims

1. A bone conduction headphone, characterized in that, include: A first housing, the first housing having a first cavity; A second housing has a second cavity; the edges of the first cavity and the edges of the second cavity are fastened and limited together; an installation cylinder is fixedly provided inside the second cavity; A vibrating element is installed inside the mounting cylinder, and the vibrating element and the mounting cylinder are detachably connected together by a snap fastener; the outer wall of the mounting cylinder is spaced apart from the inner wall of the second recess.

2. The bone conduction headphones according to claim 1, characterized in that, The vibrating element includes a protective shell, a base plate, a coil, and an oscillator assembly; the protective shell has a third cavity; the protective shell is inserted into the mounting cylinder, and the protective shell is detachably connected to the inner wall of the mounting cylinder; the base plate is fixedly connected to the protective shell; the coil is fixedly connected to the bottom of the third cavity; the oscillator assembly is installed in the third cavity; and the oscillator assembly is fixedly connected to the inner wall of the third cavity.

3. The bone conduction headphones according to claim 2, characterized in that, The vibrator assembly includes a vibrating shell, a magnet, and a connecting piece; The vibrating shell has a fourth cavity, and the magnet is fixedly connected to the bottom of the fourth cavity; the coil can extend into the fourth cavity, and the magnet can extend into the coil; The vibrating shell is fixedly connected to the connecting piece; the protective shell fixes the edge of the connecting piece to the inner wall of the mounting cylinder.

4. The bone conduction headphones according to claim 3, characterized in that, A demagnetizing plate is fixedly connected to the magnet, and the demagnetizing plate is located inside the coil.

5. The bone conduction headphones according to claim 3, characterized in that, The inner wall of the mounting cylinder has a limiting protrusion ring; the opening edge of the third cavity abuts the edge of the connecting piece against the side of the limiting protrusion ring.

6. The bone conduction headphones according to claim 5, characterized in that, The inner wall of the mounting cylinder has a limiting groove and a limiting hole; the outer side of the protective shell has a limiting block and a locking block; the limiting block and the locking block are locked into the limiting groove and the limiting hole respectively.

7. The bone conduction headphones according to claim 6, characterized in that, A limiting rod is fixedly connected in the limiting groove, and a slot is provided on the limiting block for the limiting rod to be engaged.

8. The bone conduction headphones according to any one of claims 1-7, characterized in that, The first housing and the second housing, and the number of the vibrating elements are all provided in pairs, one-to-one correspondence.

9. The bone conduction headphones according to claim 8, characterized in that, It also includes a controller and a power supply. The controller is fixedly connected to one of the first housings via a first connecting pipe, and the power supply is fixedly connected to another of the first housings via a second connecting pipe. The vibrating element is electrically connected to the controller. The power supply is electrically connected to the controller via a third connecting pipe.

10. The bone conduction headphones according to claim 9, characterized in that, The opening edge of the first cavity has a snap-fit, and the opening edge of the second cavity has a protrusion for engaging with the snap-fit, the protrusion being press-fitted with the snap-fit.

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