Flexible wireless earphone

Abstract

The present invention relates to a flexible wireless headset, comprising a first shell and a second shell, the first shell and the second shell cooperate with each other to form a accommodating space for accommodating components, the first shell and / or the second shell is made of a flexible material throughout, the accommodating space includes a sound cavity and a component accommodating cavity, the sound cavity is connected to the outside and is provided with a sound unit, a battery and a circuit board assembly are fixed in the component accommodating cavity, and the hardness of the flexible material is any value between shoreA 20 and 40. The present invention has the following technical effects: 1. Through the design of a flexible material throughout the body, the headset is easier to adapt to the ears of various people, greatly improving the wearing comfort. 2. The deep-ear sound cavity design, and the generating unit is arranged inside the sound cavity, so that the generating unit is closer to the cochlea, which can reduce the power of the generating unit and increase the service life. 3. The charging module is organically combined with the sound cavity port of the headset to achieve the effect of softness of the entire contact surface with the ear.

Description

Technical Field

[0001] The invention relates to the field of earphone structures, and in particular to a flexible wireless earphone. Background Art

[0002] Wireless headphones are popular among consumers because of their convenience, but due to their passive nature, they need to integrate power, sound unit, antenna unit and circuit board components, which raises issues with their size and shape. Therefore, the wearing comfort of wireless headphones is usually not considered. In order to ensure internal space, many wireless headphones cannot adapt well to the shape of human ears.

[0003] In order to solve this problem, some wireless earphones move the battery module out of the earphone body and power both earphones through a wire connection, such as sports earphones. However, such earphones still have a wire harness. Therefore, it is necessary to propose a wireless earphone that can adapt to various groups of people. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a flexible wireless headset.

[0005] A flexible wireless headset comprises a first shell and a second shell, wherein the first shell and the second shell cooperate with each other to form a accommodating space for accommodating components, the first shell and / or the second shell are made of a fully flexible material, the accommodating space comprises a sound cavity and a component accommodating cavity, the sound cavity is connected to the outside and is provided with a sound unit, a battery and a circuit board assembly are fixed in the component accommodating cavity, and the hardness of the flexible material is any value between shoreA 20 and 40.

[0006] Optionally, a mounting step for fixing the battery and / or circuit board assembly is provided in the first shell, and the battery and / or circuit board assembly is interference-connected with the mounting step.

[0007] Optionally, the installation step is an annular step or a plurality of protrusions distributed along the side wall of the accommodating space.

[0008] Optionally, it also includes a bracket structure for fixing the battery and the circuit board assembly, and the bracket structure is fixedly connected to the first shell or the second shell.

[0009] Optionally, the support structure is a frame structure, including a battery fixing portion, a circuit board assembly fixing portion, and a spacing portion for spacing the battery and the circuit board assembly, and the spacing portion is arranged between the battery fixing portion and the circuit board assembly fixing portion.

[0010] Optionally, the battery fixing portion is a hollow cylindrical structure, and the battery is fixed in the battery fixing portion by bonding or interference fit.

[0011] Optionally, the spacing portion extends from the battery fixing portion, and a spacing support is disposed at the end thereof, and the spacing support presses against the circuit board assembly to separate the circuit board assembly from the battery.

[0012] Optionally, the spacing support member is a circular ring with a concave middle section.

[0013] Optionally, the spacer portion is a plurality of vertical poles parallel to the side wall of the battery fixing portion and evenly distributed along the side wall of the battery fixing portion, and a spacer support is provided at the end of the vertical pole, and the spacer support is an inwardly protruding ridge.

[0014] Optionally, the circuit board assembly fixing portion is composed of a plurality of arc-shaped fasteners connected above the ridge, and the plurality of arc-shaped fasteners are buckled with edges of the circuit board assembly.

[0015] Optionally, at least one guide post extends from the inner bottom surface of the second shell, and the guide post is connected to the circuit board assembly.

[0016] Optionally, the end of the guide column abuts against the battery.

[0017] Optionally, a charging interface module is also included, and the charging module is arranged at the opening of the sound cavity and connected to the circuit board assembly along the wall of the sound cavity.

[0018] Optionally, the charging interface module includes a first connection electrode, a second connection electrode and an electrode bracket, the electrode bracket is hollow cylindrical, the first connection electrode is fixed to the outer surface of the electrode bracket, and the second connection electrode is fixed to the inner surface of the electrode bracket.

[0019] Optionally, the second connection electrode is a metal sound cavity mesh.

[0020] Optionally, the sound cavity is a deep-ear sound cavity.

[0021] The flexible wireless headset of the present invention has the following technical effects:

[0022] 1. The design of flexible materials throughout the earphones makes it easier for the earphones to adapt to the ears of various people, greatly improving the wearing comfort.

[0023] 2. The deep-ear sound cavity design places the generator unit inside the sound cavity, making the generator unit closer to the cochlea, which can reduce the power of the generator unit and increase its service life.

[0024] 3. The charging module is organically combined with the earphone sound cavity to achieve a completely soft contact surface with the ear. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the flexible wireless headset according to an embodiment of the present patent.

[0026] Figure 2 This is a cross-sectional view of the structural principle of an embodiment of this patent.

[0027] Figure 3 This is a schematic diagram of the assembly structure in one embodiment of this patent.

[0028] Figure 4 This is a schematic diagram of the support structure assembly in one embodiment of this patent.

[0029] Figure 5 This is another structural principle cross-sectional view of the support structure in one embodiment of the present patent.

[0030] Figure 6 This is another structural principle diagram of the support structure in one embodiment of this patent.

[0031] Figure 7 This is a structural schematic diagram of the charging interface module in one embodiment of this patent.

[0032] The figures are marked as follows: first shell -10, sound cavity -11, component accommodating cavity -12, installation step -13, installation column -14, second shell -20, installation through hole -21, guide column -22, sound unit -30, battery -40, circuit board assembly -50, guide hole -51, groove -52, bracket structure -60, battery fixing part -61, vertical rod -611, ridge -612, blocking step -613, circuit board fixing part -62, arc fastener -621, spacer part -63, spacer support -631, charging interface module -70, first electrode connection -71, second electrode connection -72, electrode bracket -73. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby more clearly defining the protection scope of the present invention.

[0034] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "head", "tail", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] A flexible wireless earphone, the shell of which is made of flexible material, has good softness, can adapt to the ear shapes of various people, and is stable and comfortable to wear.

[0036] Specific structure such as Figure 1 shown. Figure 1 The overall structural principle diagram of the flexible wireless headset of the embodiment of the present patent is illustrated, which includes a first shell 10 and a second shell 20. For the convenience of description, the first shell 10 is defined as the main body, that is, the main shell of the headset, which is hollowed out inside to accommodate various components of the headset. The second shell 20 is defined as a cover, which is used to seal the main opening of the first shell 10. The size and shape of the cover can be in various forms, which can be flat or bowl-shaped. Finally, the first shell 10 and the second shell 20 cooperate with each other to form a accommodating space for accommodating components.

[0037] In some embodiments, the connection between the first housing 10 and the second housing 20 may be, but is not limited to, ultrasonic bonding, snap-fitting, gluing, or interference fit of the guide pillar 22 , etc. The combination can be achieved by any current mainstream assembly process.

[0038] From a structural point of view, the accommodation space inside the earphone includes two areas: a sound cavity 11 and a component accommodation cavity 12.

[0039] The sound cavity 11 is used to accommodate the sound unit 30. One end of the sound cavity 11 is connected to the outside through a channel, and the other end is connected to the component accommodating cavity 12. In some embodiments, the sound cavity 11 can be made into a slender structure, so that it is convenient to extend into the ear canal to form a deep-ear structure. Among them, the deep-ear structure is a structural form of earphones. The difference between it and in-ear earphones is that the sound unit is further extended into the ear canal. From the perspective of sound transmission distance, the deep-ear structure effectively shortens the distance between the sound unit 30 and the cochlea, thereby also reducing the size and power of the earphones to a certain extent, making them consume less power and have a longer battery life.

[0040] In terms of the component accommodating cavity 12, the component accommodating cavity 12 is used to accommodate components such as the battery 40, the circuit board assembly 50, and the antenna, so its internal space accounts for a large proportion. The battery 40, the circuit board assembly 50, and the antenna are assembled in a certain order and installed in the component accommodating cavity 12. The lead wire of the sound unit 30 passes through the sound cavity 11 and enters the component accommodating cavity 12, and finally connects with the circuit board assembly 50.

[0041] In terms of the material of the shell, in order to improve the comfort of matching, at least one of the first shell 10 and the second shell 20 is made of a flexible material throughout. Preferably, since the contact area between the first shell 10 and the ear is larger, the first shell 10 is usually set to be a flexible material throughout to ensure softness.

[0042] In some embodiments, the hardness of the flexible material is any value between shoreA (A hardness standard of Shore hardness) 20 and 40, which can be further 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees, etc., mainly determined by user requirements and volume. In some embodiments, the flexible material can be silicone, etc., and different hardnesses can be obtained by adding corresponding additives to adjust it. This patent protects the internal structure of the earphone made of flexible material under this hardness index, so that the internal structure is still reliable under this hardness, so that the hardness of the earphone shell that can be used can be softer and suitable for more people.

[0043] From the above, it can be seen that the use of the wireless flexible headphones according to the embodiment of this patent can significantly improve the wearing comfort.

[0044] In some embodiments, the sound unit 30 is connected to the inner wall of the sound cavity 11 by interference fit, and in order to further improve the connection firmness and waterproof performance, waterproof adhesive may be added for further fixation, thereby further protecting the sound unit 30 .

[0045] In some embodiments, the battery 40 and the circuit board assembly 50 can be fixed by direct interference fit, as shown in FIG. Figure 2 As shown, Figure 2 A cross-sectional view of the structural principle of an embodiment of the present patent is shown.

[0046] See also Figure 2 The second housing 20 is a flat cover plate, which is preferably sealed and combined with the first housing 10 by ultrasonic bonding. A mounting step 13 is provided in the component accommodating cavity 12, and the mounting step 13 can be used to fix the battery 40 or the circuit board assembly 50. It can be understood that the battery 40 and the circuit board assembly 50 can also be fixed at the same time.

[0047] In this embodiment, since the second housing 20 is in the shape of a flat cover plate and is relatively thin, in order to ensure the strength of the earphone, it is preferably made of a material with a higher hardness so that it can withstand a certain amount of compression. At the same time, patterns, logos, etc. can also be set on the second housing 20 to increase its personality.

[0048] Specifically, the battery 40 in this embodiment is a cylindrical battery 40, and the circuit board assembly 50 is also arranged in a disc package, and the cylindrical diameters of both are adapted to the inner diameter of the accommodating space. The mounting steps 13 are distributed in an annular manner along the inner side wall of the first housing 10, so that the steps form an annular structure, and its inner diameter is significantly smaller than the cylindrical diameter of the battery 40 or the circuit board assembly 50.

[0049] In this embodiment, the battery 40 and the circuit board assembly 50 are sequentially installed in the accommodating space, so that the circuit board assembly 50 is close to the second housing 20, which is convenient for connecting with the antenna disposed on the second housing 20. In some embodiments, the antenna can also be directly disposed on the circuit board assembly 50, and since the circuit board assembly 50 is close to the second housing 20, no shielding effect will be caused.

[0050] In terms of the thickness of the installation step 13, the thickness setting of the installation step 13 of this embodiment is adjusted according to needs. Since a certain distance needs to be maintained between the circuit board assembly 50 and the battery 40, there are certain requirements on the thickness of the installation step 13 to ensure that the circuit board assembly 50 and the battery 40 can be separated under various circumstances.

[0051] In some embodiments, the mounting step 13 may also be a protrusion distributed along the side wall of the accommodation space, and the number of such protrusions may be at least 3, which are evenly distributed in the inner side wall to support and fix the circuit board assembly 50 and the battery 40. In addition, it can be understood that the shape of the protrusion can also be adjusted as needed.

[0052] In some embodiments, in order to give the earphone a soft touch as a whole, the second shell 20 may also be made of a flexible material having the same or similar hardness as the first shell 10 .

[0053] See also Figure 3 , the accompanying drawing illustrates the assembly principle diagram of the flexible cover in the embodiment of the present patent.

[0054] In order to solve the problem of insufficient pressure resistance caused by flexible materials, the implementation of this patent sets the second shell 20 as a bowl-shaped structure, and makes adaptive adjustments in the connection with the first shell 10. Specifically, mounting posts 14 and mounting through holes 21 are respectively provided at corresponding positions on the contact surfaces of the second shell 20 and the first shell 10. The mounting posts 14 and the mounting through holes 21 match each other. During installation, the mounting posts 14 are inserted into the mounting through holes 21 to complete the combination of the first shell 10 and the second shell 20. In order to increase the waterproof and sealing properties, the combination can be performed by glue injection, hot melt or ultrasonic. It can achieve a good sealing effect. Finally, an overall soft earphone structure is formed.

[0055] In terms of the installation of the circuit board assembly 50, this embodiment connects the circuit board assembly 50 to the second shell 20. The circuit board assembly 50 also supports the second shell 20 during the process of fixing itself, playing the role of a skeleton.

[0056] See Figure 3At least one guide post 22 extends from the inner bottom surface of the second housing 20. The guide post 22 is perpendicular to the inner bottom surface. In this embodiment, the number of guide posts 22 is preferably two. It is understandable that three or more guide posts may also be provided. The circuit board assembly 50 is provided with a guide hole 51 at a position corresponding to the guide post 22. When installing, the guide hole 51 passes through the guide post 22 to achieve engagement.

[0057] There are also various forms of connection, which can be connected by interference fit, relying on the softness and elasticity of the second housing 20, the guide post 22 can be inserted into the guide hole 51 and fixed. In addition, the end of the guide post 22 can be heated to make its diameter larger than other parts, forming a rivet-like structure, and locking the circuit board assembly 50 on the guide post 22.

[0058] Since the battery 40 is directly fixed on the first housing 10, it is separated from the circuit board assembly 50, which effectively achieves that the battery 40 and the circuit board assembly 50 do not interfere with each other. In addition, in order to avoid the circuit board assembly 50 and the battery 40 being squeezed by the longitudinal pressure, the length of the guide column 22 can be adjusted so that the guide column 22 abuts against the battery 40 after the installation is completed. In this way, it can ensure that the battery 40 does not move in the assembly accommodating cavity 12, and the circuit board assembly 50 can be separated from the battery 40.

[0059] In some embodiments, in order to further fix the installation structure of the battery 40 and the circuit board assembly 50, a bracket structure 60 for fixing the battery 40 and the circuit board assembly 50 can be provided to fix the two, thereby improving the pressure resistance of the earphones and reducing the assembly cost.

[0060] See also Figure 4 , the figure illustrates the assembly principle diagram of the support structure 60 in the embodiment of the present patent.

[0061] like Figure 4 As shown, the bracket structure 60 is mainly used to fix the battery 40 and / or the circuit board assembly 50, so that the battery 40 and the circuit board assembly 50 form a whole, which can be pre-assembled during the assembly process, while increasing the skeleton strength of the earphone, so that the hardness of the shell can be made lower, and the internal components of the earphone will not be squeezed and deformed due to the overly soft shell, or even short-circuited and damaged.

[0062] Specifically, in this embodiment, the support structure 60 is a frame structure, which mainly includes a battery fixing portion 61 , a circuit board assembly fixing portion 62 and a spacer portion 63 .

[0063] The battery fixing portion 61 is used to fix the battery 40 . The circuit board assembly fixing portion 62 is used to fix the circuit board assembly 50 . The spacing portion 63 provided between the battery 40 and the circuit board assembly 50 is used to ensure that there is a certain gap between the battery 40 and the circuit board assembly 50 .

[0064] Specifically, the structure of the battery fixing portion 61 is varied, and it can have various forms according to the installation method of the battery 40 . Figure 4 In the battery fixing part 61 shown, the battery 40 enters the bracket structure 60 through the bottom of the bracket structure 60. In order to better protect the battery 40, the frame of the battery fixing part 61 can be cylindrical, slanting, mesh, etc.

[0065] The spacer 63 is disposed in the middle section of the support structure 60, and receives the battery fixing portion 61 and the circuit board assembly fixing portion 62. Figure 4 In the illustrated embodiment, the spacer 63 extends from the battery fixing portion 61, and a spacer support 631 is disposed at the end thereof. The spacer support 631 abuts against the circuit board assembly 50 to separate the circuit board assembly 50 from the battery 40. The spacer support 631 is a circular ring with a concave middle section of the spacer 63, and the inwardly concave portion is used to prevent the battery 40 from contacting the circuit board assembly 50. It can be understood that since there is a gap between the circuit board assembly 50 and the battery 40, the wiring harness between the battery 40 and the circuit board assembly 50 can be accommodated in this gap, effectively saving space and reducing design difficulty.

[0066] Figure 4 The circuit board assembly fixing part 62 is shown as an implementation form. It is similar to the battery fixing part 61 in structure and can also be cylindrical, lamellae, mesh, etc. The diameter is the same as that of the circuit board assembly 50. After the circuit board assembly 50 is inserted into the circuit board assembly fixing part 62, the installation is completed.

[0067] After the support structure 60 is installed on the battery 40 and the circuit board assembly 50 , the battery 40 , the circuit board assembly 50 and the support structure 60 form a whole, and it is only necessary to insert the module into the assembly receiving cavity 12 .

[0068] In some embodiments, in order to further facilitate the installation of the battery 40 and the circuit board assembly 50, the bracket structure 60 can also be as follows: Figures 5 and 6 The structure shown.

[0069] See also Figures 5 and 6 , the figure illustrates another implementation form of the support structure 60 of the embodiment of the present patent.

[0070] Specifically, the battery 40 and the circuit board assembly 50 are both installed from one end of the bracket, and the bottom of the battery 40 mounting portion can be opened or closed, but it can be understood that in order to prevent the battery 40 from falling out from the bottom, when the battery 40 mounting portion is opened, a blocking step 613 needs to extend from the bottom edge side wall thereof.

[0071] Figure 5The spacer 63 is a plurality of vertical rods 611 parallel to the side wall of the battery fixing portion 61 and evenly distributed along the side wall of the battery fixing portion 61. The shape of the vertical rods 611 is preferably a thin-sheet vertical rod 611, which can be cut out from the side wall of the battery fixing portion 61 by cutting in production to keep the overall volume of the bracket structure 60 unchanged.

[0072] A spacing support 631 is provided at the end of the vertical rod 611. The spacing support 631 is an inwardly protruding ridge 612. The ridge 612 can be formed by sheet metal. One side of the ridge 612 presses against the edge of the upper surface of the battery 40, and the other side presses against the edge of the circuit board assembly 50, thereby achieving separation of the two components.

[0073] In terms of the circuit board assembly fixing portion 62, Figure 5 In the illustrated embodiment, the end of the spacing support member 631 continues to extend upward and is bent to a certain extent to form an arc-shaped fastener 621. The bending arc of the fastener is adapted to the thickness of the circuit board assembly 50. Thus, the arc-shaped fasteners 621 at the ends of the multiple spacing support members cooperate with each other to form the circuit board assembly fixing portion 62, and these arc-shaped fasteners 621 are buckled with the edge of the circuit board assembly 50 to fix the circuit board assembly 50.

[0074] Correspondingly, in order to ensure the appearance of the support structure 60 , a groove 52 is provided at the position where the circuit board assembly 50 contacts the arc-shaped fastener 621 , and the arc-shaped fastener 621 is fastened into the groove 52 to achieve fixation.

[0075] In some embodiments, in order to solve the problem of dust and water resistance of the earphones and ensure the overall softness of the outer surface, the charging module of the earphones will also be designed.

[0076] like Figure 7 As shown, the charging interface module 70 of the earphone in the embodiment of the present invention is arranged at the opening of the sound cavity 11, which is the sound output hole. In terms of wiring, the wiring harness of the charging module goes deep into the component accommodating cavity 12 along the sound cavity 11, and finally connects to the circuit board assembly 50.

[0077] See also Figure 7 , the accompanying drawing illustrates a structural principle diagram of the charging interface module 70 of an embodiment of the present patent.

[0078] Specifically, the charging interface module 70 includes a first connection electrode 71, a second connection electrode 72 and an electrode bracket 73. The electrode bracket 73 is supported by an insulating material, and in order to adapt to the opening of the sound cavity 11, it is similar in shape to the sound cavity 11 and is a hollow cylinder. When a user uses the earphone, the power module is at the front end of the earphone and usually does not have much squeezing force on the ear canal, so the material used can be soft or conventional plastic.

[0079] The first connecting electrode 71 and the second connecting electrode 72 are respectively connected to the positive and negative poles of the charger to form a charging circuit. Furthermore, in order to prevent the short circuit between the first connecting electrode 71 and the second connecting electrode 72, the first connecting electrode 71 of the embodiment of the present patent is fixed on the outer surface of the electrode bracket 73, and the second connecting electrode 72 is fixed on the inner surface of the electrode bracket 73. The two are separated by the insulating electrode bracket 73, which effectively prevents short circuit.

[0080] The wiring harness connection points of the first connection electrode 71 and the second connection electrode 72 are both arranged on the surface where the charging interface module 70 is connected to the first shell 10 , and the electrodes extend to the surface of the charging interface module 70 to form contact sheets.

[0081] In order to hide the charging interface module 70, in some embodiments, the second electrode is set as a metal sound cavity 11 net, which is usually used for dust prevention. The embodiment of this patent combines the structural characteristics of the sound cavity 11 net and transforms it into a charging interface. At the same time, the first contact electrode 71 on the outside can also be set as a conductive ring sleeved on the electrode bracket 73, which not only effectively avoids the problem of poor contact due to incorrect position during charging, but also improves the rigidity of the charging interface module 70, and also plays a certain protective role on the earphone generating unit.

[0082] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention. It is understandable that those skilled in the art can combine the forms of the components in the embodiments to form a new earphone structure by reading the above embodiments, which still falls within the scope of protection of this patent.

Claims

1. A flexible wireless headset, comprising a first shell and a second shell, wherein the first shell and the second shell cooperate with each other to form an accommodating space for accommodating components, characterized in that: The first shell and / or the second shell are made of a flexible material throughout, the accommodating space includes a sound cavity and a component accommodating cavity, the sound cavity is connected to the outside and is provided with a sound unit, a battery and a circuit board assembly are fixed in the component accommodating cavity, and the hardness of the flexible material is any value between shoreA 20 and 40; It also includes a charging interface module, which is arranged at the opening of the sound cavity and connected to the circuit board assembly along the sound cavity wall of the sound cavity; The charging interface module includes a first connection electrode, a second connection electrode and an electrode bracket, the electrode bracket is a hollow cylinder, the first connection electrode is fixed to the outer surface of the electrode bracket, and the second connection electrode is fixed to the inner surface of the electrode bracket; The wiring harness points of the first connection electrode and the second connection electrode are both connected to the surface where the charging interface module is connected to the first shell, so that the electrodes extend to the surface of the charging interface module to form contact pieces.

2. The flexible wireless headset according to claim 1, characterized in that: A mounting step for fixing the battery and / or circuit board assembly is provided in the first shell, and the battery and / or circuit board assembly is interference-connected with the mounting step.

3. The flexible wireless headset according to claim 2, characterized in that: The installation step is an annular step or a plurality of protrusions distributed along the side wall of the accommodating space.

4. The flexible wireless headset according to claim 1, characterized in that: It also includes a bracket structure for fixing the battery and the circuit board assembly, and the bracket structure is fixedly connected to the first shell or the second shell.

5. The flexible wireless headset according to claim 4, characterized in that: The support structure is a frame structure, comprising a battery fixing portion, a circuit board assembly fixing portion, and a spacing portion for spacing the battery and the circuit board assembly, wherein the spacing portion is arranged between the battery fixing portion and the circuit board assembly fixing portion.

6. The flexible wireless headset according to claim 5, characterized in that: The battery fixing part is a hollow cylindrical structure, and the battery is fixed in the battery fixing part by bonding or interference fitting.

7. The flexible wireless headset according to claim 5, characterized in that: The spacing portion extends from the battery fixing portion, and a spacing support is arranged at the end thereof. The spacing support presses against the circuit board assembly to separate the circuit board assembly and the battery from each other.

8. The flexible wireless headset according to claim 7, characterized in that: The spacing support member is a circular ring with a concave middle section.

9. The flexible wireless headset according to claim 5, characterized in that: The spacer portion is a plurality of vertical poles which are parallel to the side wall of the battery fixing portion and evenly distributed along the side wall of the battery fixing portion. The ends of the vertical poles are provided with spacer support members which are ridges protruding inwards.

10. The flexible wireless headset according to claim 9, characterized in that: The circuit board assembly fixing portion is composed of a plurality of arc-shaped fasteners connected above the ridge, and the plurality of arc-shaped fasteners are buckled with the edge of the circuit board assembly.

11. The flexible wireless headset according to claim 2, characterized in that: At least one guide post extends from the inner bottom surface of the second shell, and the guide post is connected with the circuit board assembly.

12. The flexible wireless headset according to claim 11, characterized in that: The end of the guide post abuts against the battery.

13. The flexible wireless headset according to claim 11, characterized in that: The second connection electrode is a metal sound cavity mesh.

14. The flexible wireless headset according to claim 1, characterized in that: The sound cavity is a deep-ear sound cavity.

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