A head-wearable device for wireless communication

Abstract

The application discloses a kind of overhead headset spacing adjustment devices, headset includes headset body, broadcast end and headset frame, spacing adjustment device includes adjusting body and retaining structure, adjusting body is used to change the relative position between broadcast end and the ear of wearer, retaining structure is used to keep the position after adjustment, so that headset can be switched between the first broadcast state of broadcast end at least part of in-ear and the second broadcast state of broadcast end outside ear portion. Adjusting body can be adapter continuously moved along headset frame to achieve stepless adjustment. Adjusting body can also be connected with broadcast end, and two or more gears can be achieved by limiting piece, plug-in slot and multiple annular grooves. Headset can also be provided with glasses holder that can be adjusted to rotate to adapt to the position of glasses leg and reduce the pressure on auricle.

Description

Technical Field

[0001] This invention relates to the field of headset technology, and more specifically to a suspended headset spacing adjustment device. Background Technology

[0002] As the number of people with hearing loss and hearing decline increases, the demand for wearable hearing aids, headsets, and other hearing assistance devices continues to grow. These devices typically require a headset support, ear hook, or other wearing structure to support the user's ear, ensuring that the audio output is positioned to transmit sound into the ear canal.

[0003] Current wearable hearing aids mainly include closed-back in-ear and open-back models. Both types have their own advantages in terms of wearing comfort, sound transmission, discreet appearance, and long-term health benefits, but both also have certain limitations.

[0004] Closed-back in-ear hearing aids typically place the speaker inside the ear canal via an earplug or custom earmold, creating a relatively tight seal. While this type of hearing aid utilizes a relatively sealed acoustic space to reduce sound leakage and increase sound gain, it is prone to causing a blockage effect. When the user speaks, chews, or swallows, their own voice may be amplified through bone conduction or other means, making the sound muffled, booming, or unnatural.

[0005] Furthermore, when closed-back in-ear hearing aids block the ear canal for extended periods, they can impair ventilation and heat dissipation, leading to a moist environment within the ear canal. This reduces the comfort of long-term wear and may increase the risk of ear canal skin discomfort, eczema, or infections. These problems are even more pronounced for users with sensitive ear canals or those who are not suited to prolonged ear canal closure.

[0006] Traditional behind-the-ear hearing aids typically place the speaker on the outside of the ear canal opening, maintaining a ventilation gap between the speaker and the canal opening to alleviate ear canal blockage and discomfort caused by prolonged wear. However, because the speaker is not inserted into the ear canal or makes stable contact with the ear, the headset relies mainly on a headset holder or ear hook to maintain its position. During running, brisk walking, or other physical activities, the headset is prone to movement relative to the ear, causing the distance between the speaker and the ear canal opening to constantly change, thus affecting the stability of sound transmission.

[0007] In particular, open-back hearing aids that use lightweight, thin-stem earpiece supports typically have less ear clamping force. While this can reduce pressure when wearing them statically, they are prone to problems such as not fitting snugly, the speaker being off-center from the ear canal, or the earpiece shifting downwards during exercise, requiring users to repeatedly adjust the earpiece position and affecting ease of use.

[0008] Some smart glasses with hearing assistance functions integrate sound pickup, sound processing, and playback components into the frame or temples, facilitating simultaneous vision correction and hearing assistance. However, the temples of the glasses and behind-the-ear hearing aids share the limited space behind the auricle and between the auricle and the cheek. When the glasses or smart glasses are heavy, the temples exert continuous pressure on the auricle and surrounding tissues. Since the auricle is mainly composed of soft cartilage, prolonged exposure to the combined weight of the temples and the hearing aid can easily cause soreness, pressure, and fatigue, potentially affecting the stability of the glasses or hearing aids.

[0009] Therefore, while closed-back in-ear hearing aids offer better sound gain and transmission, they suffer from a feeling of blockage and the problem of long-term ear canal closure. Open-back hearing aids, on the other hand, maintain ear canal ventilation but suffer from sound leakage, unstable placement, and tendency to move during movement. Existing hearing aids also lack the ability to easily switch between in-ear and open-back wearing styles based on the user's hearing condition, ear and facial contours, environment, and activity level. Summary of the Invention

[0010] The present invention aims to solve the problems of existing headsets having difficulty adjusting the distance between the broadcasting end and the ear according to usage needs, and the problem of headsets and glasses being easily compressed on the auricle when worn at the same time. It provides a suspended headset distance adjustment device, which allows the broadcasting end to be inserted into the wearer's ear for broadcasting, or to be suspended outside the ear for broadcasting, and to maintain the corresponding broadcasting position after adjustment.

[0011] To achieve the above objectives, the present invention provides a suspended headset spacing adjustment device. The headset includes a headset body, a broadcast end disposed on the headset body, and a headset frame extending upward from the broadcast end. The spacing adjustment device includes an adjustment body and a retaining structure. The adjustment body is connected to the headset body or the broadcast end and is used to change the relative position between the broadcast end and the wearer's ear. The retaining structure cooperates with the adjustment body and is used to limit the positional change of the adjustment body relative to the headset body after the spacing adjustment is completed. By changing the position of the broadcast end by the adjustment body, the headset can switch between a first broadcast state and a second broadcast state. In the first broadcast state, at least a portion of the broadcast end extends into the wearer's ear. In the second broadcast state, the broadcast end is located outside the wearer's ear and forms a gap with the ear canal opening, thereby achieving suspended broadcasting. The retaining structure can prevent the broadcast end from changing its position during use, improving the stability of the corresponding broadcast state.

[0012] In one embodiment, the adjustment body employs an adapter that can be mounted on a headset. The adapter includes a mounting part and at least one abutment surface. The mounting part is movably fitted onto the headset frame and can move continuously within an adjustment stroke along the extension direction of the headset frame. The abutment surface is positioned on the side of the mounting part facing the wearer's cheek and abuts against the wearer's cheek via a holding surface. A retaining structure can hold the mounting part at any selected position within the adjustment stroke. Because the contour of the wearer's cheek varies at different heights near the ear, and the cheek contour gradually narrows upwards from the ear, the lateral support distance between the abutment surface and the headset can be changed after the mounting part moves the abutment surface to different heights. When the abutment surface moves to a position where the cheek contour is relatively convex, the microphone moves away from the ear; when the abutment surface moves to a position where the cheek contour is relatively narrow, the microphone moves closer to the ear, thereby continuously adjusting the distance between the microphone and the ear. The holding surface can also hold the wearer's hair, reducing the impact of hair slippage on the stability of the headset.

[0013] Furthermore, the headset stand can have a circular cross-section, and the mounting part can be a sleeve structure fitted onto the outside of the headset stand. The retaining structure includes at least one rotating member with frictional rotation at one end of the mounting part. The outer circumferential surface of the headset stand forms an external thread, and the inner circumferential surface of the rotating member forms an internal thread that mates with the external thread. When the rotating member rotates, the threaded engagement between the internal and external threads converts the rotational motion into movement along the extension direction of the headset stand, causing the mounting part to continuously change position with the rotating member. After rotation stops, the threaded engagement and the friction between the rotating member and the mounting part maintain the position of the mounting part, thereby achieving stepless adjustment of the distance between the broadcast end and the ear.

[0014] When two screw-on components are used, they are respectively mounted at both ends of the mounting part through frictional rotation and are threaded into the headset frame. During adjustment, the wearer operates both screw-on components simultaneously, causing the mounting part to move smoothly along the headset frame. When only one screw-on component is used, rotating that component alone will move the mounting part. As the screw-on component rotates relative to the mounting part, its axial position along the mounting part remains unchanged, allowing the screw-on component to drive the mounting part to move axially along the threaded engagement.

[0015] Furthermore, the effective threaded section between the internal and external threads can form a full turn of the thread, and the pitch corresponds to the adjustment stroke of the mounting part. When the screwing part rotates one full turn relative to the headset stand, the mounting part can move from one end of the adjustment stroke to the other, thereby completing the switching of playback modes within a smaller number of rotations and reducing operational complexity. Depending on the headset stand size and the required adjustment stroke, the pitch can be set from 1mm to 20mm, preferably from 2mm to 10mm. The specific dimensions can be determined based on the product structure and human wearing test results.

[0016] Furthermore, two abutment surfaces can be configured, each connected to the mounting part via a rod. Each abutment surface is frictionally rotatably connected to an extension component, which can rotate relative to the abutment surface under external force and maintain its adjusted rotational position by friction after the external force is removed. The frictional rotational connection can be achieved through an interference fit between a rotating shaft and a shaft hole, a damped rotating shaft, or mutually pressing friction surfaces, or other structures that can generate rotational resistance and maintain the rotational position. A first eyeglass holder is located on the side of the extension component facing away from the wearer's cheek, allowing the first eyeglass holder to adjust its position and angle with the extension component. When the headset body is tilted relative to the plane of the ears, the first eyeglass holder can be adjusted to fit the position of the temples by rotating the extension component, reducing the discomfort caused by the temples pressing directly between the ear and cheek.

[0017] In another embodiment, the adjustment body is connected to the broadcasting end, and the broadcasting end is movably connected to the headset body via the adjustment body. The retaining structure has at least a first positioning position and a second positioning position, capable of holding the broadcasting end in the first and second broadcasting positions respectively; when the broadcasting end is in the first broadcasting position, at least a portion extends into the wearer's ear; when the broadcasting end is in the second broadcasting position, it is located outside the ear and forms a gap between it and the ear canal opening. This embodiment combines the gap adjustment structure with the broadcasting end, allowing direct change of the broadcasting end's position relative to the headset body, and enabling switching between two broadcasting states through the two positioning positions.

[0018] Furthermore, the adjustment body includes a rotating adjustment component connected to the broadcasting end and a fixing component connected to one end of the headset body. The rotating adjustment component is movably inserted into the fixing component and can rotate relative to the fixing component and move along the axial direction of the fixing component. The fixing component has a first annular groove and a second annular groove spaced apart along its axial direction, and has insertion grooves extending axially and communicating with the two annular grooves respectively; the rotating adjustment component is connected to a limiting component. During adjustment, the limiting component moves along the insertion groove to the position of the corresponding annular groove, and then rotates with the rotating adjustment component into the annular groove, so that the broadcasting end is kept in the corresponding broadcasting position. There may also be friction between the limiting component and the groove wall of the annular groove to reduce the possibility of the limiting component automatically disengaging from the annular groove during use and improve positioning stability.

[0019] Furthermore, the fixing member can also be provided with at least one additional annular groove located between the first annular groove and the second annular groove, each additional annular groove communicating with the insertion groove. The limiting member can selectively enter either additional annular groove to hold the broadcast end in an intermediate broadcast position between the first broadcast position and the second broadcast position, thereby expanding the two-level adjustment to multiple levels to accommodate different wearers' ear sizes and different broadcast spacing requirements.

[0020] Furthermore, in the headset employing the aforementioned active broadcast end structure, the headset frame can have a square cross-section, with a groove on the side of the headset frame facing away from the wearer's face. A turntable is rotatably mounted within the groove, and a second eyeglass holder is fixedly mounted on the side of the turntable facing away from the wearer's face, allowing the second eyeglass holder to rotate relative to the headset frame with the turntable. A fixing block is provided on the inner top wall of the groove, making contact with the circumferential surface of the turntable. The contact resistance between the two blocks restricts the rotation of the turntable and holds it in the adjusted rotation position. This allows the angle of the second eyeglass holder to be adjusted according to the wearing posture of the headset, adapting the second eyeglass holder to the position of the temples of the glasses.

[0021] Furthermore, the second eyeglass holder can be accommodated within the groove, with the surface of the second eyeglass holder facing away from the wearer's cheek not protruding above the groove opening. This structure reduces the degree to which the second eyeglass holder protrudes relative to the headset stand surface, lowering the possibility of the second eyeglass holder colliding or scratching with external objects, and making the headset stand more compact.

[0022] Beneficial effects 1. This invention adjusts the relative position between the speaker and the wearer's ear by changing the main body, allowing the speaker to either at least partially extend into the ear or remain outside the ear canal, maintaining a distance from the opening. The wearer can choose the appropriate broadcasting mode based on their actual needs for acoustic effects, ear canal ventilation, and wearing comfort. When the speaker is suspended in the air, it reduces stuffiness, dampness, and discomfort caused by long-term blockage of the ear canal by the speaker. The retaining structure restricts positional changes after adjustment, improving the stability of the speaker in the corresponding broadcasting mode.

[0023] 2. The adapter of this invention can move continuously along the headset stand and change the lateral support distance of the face rest by utilizing the contour changes at different heights of the wearer's cheeks, thereby steplessly adjusting the distance between the broadcast end and the ear. The headset stand does not need to be supported on the auricle; the headset can be supported by the part of the headset body located at the top of the head and the face rest, which helps reduce the pressure on the auricle. The pressure surface of the face rest can also hold down the wearer's hair, reducing changes in wearing position caused by hair slippage or headset shaking during movement.

[0024] 3. This invention can also achieve two or more levels of spacing adjustment through the movable connection structure between the broadcasting end and the headset body, and maintain the position of the broadcasting end through the cooperation of the limiting member and the corresponding annular groove. The first or second eyeglass holder can rotate and adjust according to the wearing posture of the headset body and the position of the temples of the glasses, providing a support position for the temples of the glasses that is different from that of the auricle, reducing the soreness and fatigue caused by the temples of the glasses pressing on the auricle, and improving the fit when the headset and glasses are worn together. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0026] Figure 1 These are schematic diagrams of the structures of Embodiment 1 and Embodiment 2; Figure 2 These are schematic diagrams of the adjustment body and retaining structure in Embodiments 1 and 2. Figure 3 These are schematic diagrams illustrating the explosive separation of the adjusting body and the screwing component at the retaining structure in Examples 1 and 2. Figure 4 The following are side views of the wearers in Examples 1 and 2 wearing the headset and glasses; Figure 5 These are schematic diagrams of the structures in Embodiments 3 and 4; Figure 6 for Figure 4 Enlarged structural diagram at point A; Figure 7 This is a cross-sectional view of the adjustment body and retaining structure in Embodiment 3; Figure 8 This is a schematic diagram of the structure in Example 3 where the adjusting body and the screwing component at the retaining structure explode and separate. Figure 9 The images show side views of the wearers in Examples 3 and 4 wearing headsets and glasses.

[0027] Reference numerals: 110, headset body; 120, broadcasting end; 130, headset stand; 131, external thread; 200, adapter; 210, mounting part; 220, contact surface; 221, pressing surface; 231, screwing part; 232, internal thread; 240, rod; 250, extension part; 260, first eyeglass holder; 310. Headset body; 320. Broadcasting end; 331. Rotation adjustment component; 332. Fixing component; 341. Limiting component; 342. First annular groove; 343. Second annular groove; 344. Plug-in groove; 350. Headset holder; 351. Groove; 360. Turntable; 370. Second eyeglass holder; 380. Fixing block. Detailed Implementation

[0028] The present application will be further described below with reference to the accompanying drawings and specific embodiments. The following embodiments are only used to illustrate the technical solutions of the present application and are not intended to limit the scope of protection of the present application.

[0029] The headset in this application can be a regular audio headset, a communication headset, or a headset with hearing assistance function; when the headset is in the first broadcasting state, at least a part of the broadcasting end extends into the wearer's ear; when the headset is in the second broadcasting state, the broadcasting end does not enter the wearer's ear and forms a gap between it and the wearer's ear canal opening; the second broadcasting state is not limited to a unique fixed gap, and different gap positions of the broadcasting end outside the ear can constitute the second broadcasting state.

[0030] The terms "up," "down," "towards the cheek," and "away from the cheek" used in this application refer to the state when the headset is normally worn on the human head and do not constitute a restriction on the orientation of the headset during production, transportation, or when it is not worn.

[0031] Example 1 Reference Figures 1 to 4 This embodiment provides a suspended headset spacing adjustment device. The headset includes a headset body 110, a broadcast end 120 disposed on the headset body 110, and a headset frame 130 extending upward from the broadcast end 120. The headset body 110 is the overall supporting body of the headset and includes a head support portion that spans over the wearer's head when worn. The headset frame 130 is used to connect the broadcast end 120 and the headset body 110, but does not support or press against the wearer's ears.

[0032] The broadcast end 120 has a sound-emitting protrusion on the side facing the wearer's ear, and the sound-emitting protrusion is provided with a sound-emitting surface for outputting sound; the sound-emitting protrusion protrudes towards the wearer's ear relative to the outer shell portion of the broadcast end 120, so that a height difference is formed between the sound-emitting surface and the outer shell portion along the ear direction.

[0033] When the headset body 110 is supported by the face rest 220 and close to the wearer's cheek, the sound-emitting protrusion can utilize the height difference to at least partially extend into the wearer's concha cavity, with the sound-emitting surface facing the ear canal opening. The outer shell portion of the broadcast end 120 is located on the outer side of the auricle, forming a clearance space with the auricle, and therefore will not be pressed against the auricle surface along with the sound-emitting protrusion. Thus, while bringing the broadcast end 120 close to the ear canal opening or at least partially extending into the ear, the pressure exerted by the outer portion of the broadcast end 120 on the auricle can be reduced.

[0034] The outer contour of the sound-emitting protrusion facing the wearer's ear is roughly fan-shaped, with the width of the fan gradually changing along its extension direction to conform to the natural contours of the concha and the inner side of the auricle. After the sound-emitting protrusion extends into the ear, the fan-shaped contour increases its fit with the ear shape and limits unnecessary vertical movement or rotation of the sound-emitting protrusion relative to the ear. The fan-shaped design, together with the aforementioned height difference, allows the sound-emitting position to be close to the ear canal opening, while ensuring that the outer shell of the speaker end 120° avoids the auricle, thus balancing sound transmission quality and wearing comfort. Alternatively, commonly available in-ear headphone styles can also be used.

[0035] The headset body 110 bears the main weight of the headset through the top support part located on the wearer's head. The spacing adjustment device forms another support position by contacting the wearer's cheek. Thus, the top support part of the headset body 110 and the face rest 220 together form the wearing support structure of the headset, avoiding the wearer's ear as the load-bearing fulcrum of the headset frame 130.

[0036] The spacing adjustment device includes an adjustment body and a holding structure. The adjustment body is an adapter 200 mounted on the headset stand 130. The adapter 200 can move along the extension direction of the headset stand 130 to change the position of the adapter 200 relative to the broadcast end 120.

[0037] The adapter 200 includes a mounting part 210 and at least one abutment part 220. The mounting part 210 is movably sleeved on the headset stand 130. The abutment part 220 is located on the side of the mounting part 210 facing the wearer's cheek. The abutment part 220 has a pressing surface 221 facing the wearer's cheek. The pressing surface 221 can abut against the wearer's cheek and press the hair between the pressing surface 221 and the wearer's cheek onto the cheek surface to improve the contact stability between the abutment part 220 and the wearer's head.

[0038] The mounting part 210 can move continuously within the adjustment range along the extension direction of the headset stand 130, and the holding structure can hold the mounting part 210 in any selected position within the adjustment range, thereby steplessly adjusting the distance between the broadcast end 120 and the wearer's ear.

[0039] The wearer's cheeks have different contours at different heights near the ears, and the cheek contours gradually narrow upwards from the ears; when the mounting part 210 moves along the headset frame 130, the position of the contact part 220 relative to the wearer's ears, the contact height of the contact part 220 on the wearer's cheeks, and the lateral support distance formed by the contact part 220 to the headset change accordingly, thereby causing the broadcast end 120 to move closer to or further away from the wearer's ears.

[0040] The headset stand 130 does not support the wearer's ears. The part of the headset body 110 located on the top of the wearer's head forms the first support position, and the part of the face rest 220 that contacts the wearer's cheek forms the second support position. The relative distance between the face rest 220 and the wearer's ears, as well as the degree of cheek protrusion at the location of the face rest 220, jointly determine the position of the broadcast end 120 relative to the wearer's ears.

[0041] When the face rest 220 moves to a position where the cheek contour is relatively protruding, the outward support distance formed by the cheek and the face rest 220 on the headset increases, causing the headset body 110, headset frame 130, and broadcasting end 120 to shift away from the wearer's ear as a whole. The broadcasting end 120 exits the wearer's ear and forms a gap between it and the ear canal opening, and the headset is thus in a second broadcasting state. When the face rest 220 moves to a position where the cheek contour is relatively narrow, the outward support distance formed by the cheek and the face rest 220 decreases, causing the broadcasting end 120 to approach the wearer's ear until at least a portion of the broadcasting end 120 extends into the wearer's ear, and the headset is thus in a first broadcasting state.

[0042] Since different wearers have different facial contours, the position of the mounting part 210 corresponding to the first and second broadcasting states can be determined according to the wearer's actual facial contour, rather than being limited to a fixed height on the headset stand 130. The mounting part 210 can also be maintained at any intermediate position between the positions corresponding to the first and second broadcasting states, so as to continuously adjust the insertion depth of the broadcasting end 120 or the suspension distance between the broadcasting end 120 and the ear canal opening.

[0043] Through the stepless adjustment described above, the broadcasting end 120 can be adjusted between positions such as deep insertion into the ear, shallow insertion into the ear, near the ear canal opening but not into the ear, and far from the ear canal opening. When the user needs to increase the focus of the sound, the broadcasting end 120 can be inserted into the ear. When it is necessary to balance the sound effect and the ventilation of the ear canal, the broadcasting end 120 can be placed near the ear canal opening but not into the ear. When it is necessary to enhance the perception of external sound or reduce the feeling of blockage caused by wearing it for a long time, the distance between the broadcasting end 120 and the ear canal opening can be increased.

[0044] The pressure surface 221 of the face rest 220 can press the hair against the wearer's cheek surface, reducing the earphone shaking caused by the hair sliding between the adapter 200 and the cheek; the face rest 220 and the head support part of the earphone body 110 together form a stable support, which can limit unnecessary displacement of the earphone relative to the wearer's head when running, walking fast or shaking the head.

[0045] In one specific structure, the headset stand 130 has a circular cross-section, and the mounting part 210 is a sleeve structure fitted on the outside of the headset stand 130. The inner diameter of the mounting part 210 is adapted to the outer diameter of the headset stand 130, so that the mounting part 210 can move continuously along the axial direction of the headset stand 130.

[0046] The retaining structure includes at least one screwing member 231 that is rotatably disposed at one end of the mounting part 210. The outer peripheral surface of the earphone holder 130 is provided with an external thread 131, and the inner peripheral surface of the screwing member 231 is provided with an internal thread 232 that mates with the external thread 131.

[0047] A frictional rotational connection is formed between the screwing component 231 and the mounting portion 210. The screwing component 231 can rotate relative to the mounting portion 210 under the action of external force, and can be restricted from rotating by the friction between the screwing component 231 and the mounting portion 210 after the external force is removed. When the screwing component 231 rotates relative to the mounting portion 210, the position of the screwing component 231 relative to the mounting portion 210 along the axial direction of the headset stand 130 remains unchanged, so that the axial displacement of the thread generated between the screwing component 231 and the headset stand 130 can be transmitted to the mounting portion 210. The mounting frame 210 can also rotate relative to the ear to adapt to the position of the wearer's ear. The rotation of the mounting portion 210 is referenced. Figure 9 Arrow direction.

[0048] In an embodiment where a screwing component 231 is provided, the screwing component 231 can be frictionally rotated and disposed at the upper or lower end of the mounting part 210. When the user rotates the screwing component 231 alone, an axial relative displacement is generated between the internal thread 232 and the external thread 131, and the screwing component 231 drives the mounting part 210 to move along the headset stand 130. After the rotation of the screwing component 231 is stopped, the thread engagement and the friction between the screwing component 231 and the mounting part 210 together restrict the positional change of the mounting part 210.

[0049] Reference Figures 2 to 3 In the embodiment with two screwing parts 231, the two screwing parts 231 are respectively frictionally rotated at the upper and lower ends of the mounting part 210. Both screwing parts 231 are threadedly connected to the headset stand 130 and jointly define the axial position of the mounting part 210. There is no forced synchronous transmission structure between the two screwing parts 231, but during adjustment, the user must operate the two screwing parts 231 separately so that the two screwing parts 231 rotate simultaneously relative to the headset stand 130. The axial displacement generated by the two screwing parts 231 together drives the mounting part 210 to move along the headset stand 130.

[0050] When using two screws 231, if only one screw 231 is rotated while the other screw 231 remains stationary, the stationary screw 231 will restrict the movement of the mounting part 210 through the threaded engagement with the headset holder 130. Therefore, both screws 231 need to be rotated simultaneously. This "simultaneous rotation" means that both screws 231 are in a rotating state during the adjustment process, and does not mean that there are gears, transmission belts or other forced synchronization structures between the two screws 231.

[0051] The internal threads 232 of the two screw parts 231 can have the same pitch and direction of rotation, so that when the user operates the two screw parts 231 to rotate at the same time, the two screw parts 231 will produce axial displacement in the same direction; after the two screw parts 231 stop rotating, the threaded engagement between the two screw parts 231 and the headset holder 130 and the friction between the two screw parts 231 and the mounting part 210 together maintain the position of the mounting part 210.

[0052] The effective threaded section between the internal thread 232 and the external thread 131 forms a thread. The pitch of the internal thread 232 and the external thread 131 corresponds to the adjustment stroke of the mounting part 210. The pitch can be 1 to 20 mm, preferably 2 to 10 mm. For example, the specific pitch can be determined according to the adjustment stroke required for the broadcast end 120 to move from the ear-in position to the maximum suspension distance position.

[0053] When one screw mechanism 231 is provided, the screw mechanism 231 rotates one full turn relative to the headset stand 130, which can drive the mounting part 210 to move from one end of the adjustment stroke to the other end; when two screw mechanisms 231 are provided, the two screw mechanisms 231 rotate one full turn relative to the headset stand 130 at the same time, which can jointly drive the mounting part 210 to move from one end of the adjustment stroke to the other end; when the screw mechanism 231 rotates less than one full turn, the mounting part 210 can be kept in the middle position within the adjustment stroke, thereby realizing stepless adjustment of the distance between the broadcast end 120 and the wearer's ear.

[0054] Example 2 Reference Figures 1 to 4 This embodiment adds a glasses support structure for supporting the temples of the glasses to the basis of embodiment one. Unless otherwise specified, the structure is the same as that in embodiment one.

[0055] The adapter 200 includes two contact surfaces 220, each of which is connected to the mounting portion 210 via a rod 240 of a fixed shape. The rod 240 maintains a predetermined relative position and angle between the contact surfaces 220 and the mounting portion 210. When the mounting portion 210 moves along the headset frame 130, the rod 240 moves the contact surfaces 220 to different contour positions on the wearer's cheeks, allowing the cheeks to form different lateral support distances to the headset through the contact surfaces 220, the rod 240, and the mounting portion 210. (Refer to...) Figure 4 The direction of the arrow.

[0056] When the faceplate 220 moves to a position where the cheek contour is relatively protruding via the rod 240, the outward support of the cheek on the faceplate 220 increases, and the microphone 120 moves away from the wearer's ear along with the earphone stand 130 and exits the ear; when the faceplate 220 moves to a position where the cheek contour is relatively narrowed via the rod 240, the outward support decreases, and the microphone 120 approaches the wearer's ear and can at least partially extend into the wearer's ear.

[0057] The two faceplates 220 form a spaced cheek contact position to disperse the force exerted by the faceplates 220 on the wearer's cheeks, and press the wearer's hair down by the holding face 221 to improve the stability of the adapter 200 relative to the wearer's head.

[0058] Each abutment part 220 is frictionally rotatably connected to an extension part 250. The extension part 250 can rotate relative to the abutment part 220 under the action of external force, and can be maintained in an adjusted rotational position by relying on the friction between the extension part 250 and the abutment part 220 after the external force is removed.

[0059] Frictional rotary connections can take the interference fit or damping fit between the shaft and the shaft hole as an example, or other connection forms that can maintain the position by friction after rotation. This application does not limit the specific structure of the frictional rotary connection.

[0060] The extension 250 has a first eyeglass holder 260 on the side facing away from the wearer's cheek. The first eyeglass holder 260 is used to support or restrict the temples of the glasses. When the wearer wears both the headset and glasses at the same time, the temples of the glasses can be placed on the first eyeglass holder 260 to reduce the pressure of the temples of the glasses and the headset 130 pressing together between the wearer's ear and cheek.

[0061] When the headset body 110 is in the wearing state, it can be in the same or basically the same wearing plane as the plane where the wearer's two ears are located, or it can be tilted relative to the plane where the two ears are located; when the headset body 110 is tilted relative to the plane where the two ears are located, the positions of the headset frame 130, the face rest 220 and the first eyeglass bracket 260 relative to the temple of the eyeglasses change accordingly.

[0062] The user can adjust the angle of the first eyeglasses bracket 260 relative to the face rest 220 by rotating the extension member 250, so that the first eyeglasses bracket 260 adapts to the deflection state of the headset body 110 relative to the wearer's head, and the support direction of the first eyeglasses bracket 260 matches the actual extension direction of the temple of the glasses; after the adjustment is completed, the extension member 250 is maintained at the corresponding angle by the friction force generated by the friction rotation connection.

[0063] Part of the force generated by the temples of the glasses can be transmitted sequentially through the first eyeglass frame 260, the extension 250, the contact surface 220, the rod 240, and the mounting part 210 to the head support part of the headset 130, the headset body 110, and the cheek contact point, so as to reduce the weight of the temples of the glasses from being concentrated on the wearer's auricle; the multi-point contact formed by the two contact surfaces 220 and the pressing effect of the pressing surface 221 on the hair can also reduce the possibility of the temples of the glasses causing the headset to deflect or shake.

[0064] Example 3 Reference Figures 5 to 9 This embodiment provides another type of suspended headset spacing adjustment device. The headset includes a headset body 310, a broadcast end 320 disposed on the headset body 310, and a headset frame 350 extending upward from the broadcast end 320. The headset body 310 is the overall supporting body of the headset and includes a head support portion that spans over the wearer's head when worn. The headset frame 350 is used to connect the broadcast end 320 and the headset body 310, and does not use the wearer's ear as the main load-bearing fulcrum.

[0065] The adjustment body is connected to the broadcast terminal 320, and the broadcast terminal 320 is movably connected to the headset body 310 through the adjustment body. The adjustment body includes a rotating adjustment component 331 and a fixing component 332. The rotating adjustment component 331 is connected to the broadcast terminal 320, and the fixing component 332 is connected to one end of the headset body 310. The rotating adjustment component 331 and the fixing component 332 are movably inserted to allow the rotating adjustment component 331 to rotate relative to the fixing component 332 and move along the axial direction of the fixing component 332, thereby driving the broadcast terminal 320 to move relative to the headset body 310.

[0066] Reference Figures 7 to 8 The retaining structure includes a limiting member 341, a first annular groove 342, a second annular groove 343, and a plug-in groove 344; the limiting member 341 is connected to the rotation adjustment member 331, the first annular groove 342, the second annular groove 343, and the plug-in groove 344 are formed on the fixing member 332, the first annular groove 342 and the second annular groove 343 are spaced apart along the axial direction of the fixing member 332, and the plug-in groove 344 extends along the axial direction of the fixing member 332 and communicates with the first annular groove 342 and the second annular groove 343 respectively.

[0067] When the broadcast terminal 320 needs to be adjusted to the first broadcast position, the user rotates the rotating adjustment component 331 to align the limiting component 341 with the insertion slot 344, and then moves the rotating adjustment component 331 along the axial direction of the fixing component 332 to move the limiting component 341 along the insertion slot 344 to the position of the first annular groove 342. Then, the rotating adjustment component 331 is rotated to allow the limiting component 341 to enter the first annular groove 342. After the limiting component 341 enters the first annular groove 342, the first annular groove 342 restricts the limiting component 341 from moving along the axial direction of the fixing component 332, so that the broadcast terminal 320 is stably maintained in the first broadcast position. At this time, at least a part of the broadcast terminal 320 extends into the wearer's ear, and the headset is in the first broadcast state.

[0068] When the broadcast end 320 needs to be adjusted to the second broadcast position, the user rotates the rotating adjustment component 331 in the opposite direction, causing the limiting component 341 to exit the first annular groove 342 and enter the insertion groove 344. Then, the rotating adjustment component 331 is moved along the axial direction of the fixing component 332, causing the limiting component 341 to move to the position of the second annular groove 343. Subsequently, the rotating adjustment component 331 is rotated, causing the limiting component 341 to enter the second annular groove 343. After the limiting component 341 enters the second annular groove 343, the broadcast end 320 exits from the wearer's ear and forms a gap with the wearer's ear canal opening, so that the headset is in the second broadcast state.

[0069] When the limiting member 341 enters the first annular groove 342 or the second annular groove 343, frictional contact is formed between the limiting member 341 and the groove wall of the corresponding annular groove. The frictional force can limit the limiting member 341 from rotating along the annular groove and re-entering the insertion groove 344. This, together with the axial restriction of the limiting member 341 by the annular groove, keeps the broadcast end 320 in the corresponding broadcast position. The frictional force between the limiting member 341 and the annular groove can be formed by size matching, elastic contact, surface roughness or friction material.

[0070] The broadcast end 320 has a sound-emitting protrusion on the side facing the wearer's ear, and the sound-emitting protrusion is provided with a sound-emitting surface for outputting sound; the sound-emitting protrusion protrudes towards the wearer's ear relative to the outer shell portion of the broadcast end 320, so that a height difference is formed between the sound-emitting surface and the outer shell portion along the ear direction.

[0071] When the broadcasting end 320 moves to the first broadcasting position, the sound-emitting protrusion extends at least partially into the wearer's concha cavity using the height difference, with the sound-emitting surface facing the ear canal opening; the outer shell portion of the broadcasting end 320 is located on the outside of the auricle, forming a clearance space with the auricle to prevent the outer shell portion from pressing against the auricle. When the broadcasting end 320 moves to the second broadcasting position, the sound-emitting protrusion retracts from the wearer's ear, forming a suspension space between itself and the ear canal opening.

[0072] The outer contour of the sound-emitting protrusion facing the wearer's ear is roughly fan-shaped, with the width of the fan gradually changing along its extension direction to conform to the natural contour of the concha and the inner side of the auricle. When the playback end 320 is in the first playback position, the fan-shaped contour can improve the fit between the sound-emitting protrusion and the ear, reducing the vertical movement or rotation of the sound-emitting protrusion within the ear. The fan-shaped design, combined with the height difference, allows the sound-emitting protrusion to enter the ear, while the outer shell of the playback end 320 avoids the auricle, thereby reducing pressure on the auricle. Of course, commonly available in-ear headphone styles can also be used.

[0073] In embodiments requiring multiple adjustments, the fixing member 332 is further provided with at least one additional annular groove, which is located between the first annular groove 342 and the second annular groove 343 and communicates with the insertion groove 344; the limiting member 341 can move along the insertion groove 344 to the position of any additional annular groove, and rotate with the rotating adjusting member 331 to enter the corresponding additional annular groove, so that the broadcasting end 320 is kept in the intermediate broadcasting position between the first broadcasting position and the second broadcasting position.

[0074] When the fixing member 332 is provided with multiple additional annular grooves, each additional annular groove is distributed at intervals along the axial direction of the fixing member 332 and corresponds to different distances between the broadcasting end 320 and the wearer's ear; the limiting member 341 also forms frictional contact with the groove wall of each additional annular groove, so that the broadcasting end 320 can be stably maintained in the corresponding middle broadcasting position, thereby forming multiple spacing adjustments.

[0075] The first broadcasting position is used to allow at least a portion of the broadcasting end 320 to extend into the wearer's ear. The second broadcasting position and each intermediate broadcasting position can be set to different distances where the broadcasting end 320 does not enter the ear, in order to adapt to different usage scenarios such as broadcasting near the ear canal opening, broadcasting with a smaller distance suspended in the air, or broadcasting with a larger distance suspended in the air.

[0076] Example 4 Reference Figures 5 to 6 as well as Figure 9 This embodiment adds an embedded eyeglass support structure to the third embodiment. Unless otherwise specified, the structure is the same as that in the third embodiment.

[0077] The headset stand 350 has a square cross-section and a relatively flat side surface so that a groove 351 can be provided on the side of the headset stand 350 facing away from the wearer's cheek. A turntable 360 ​​is rotatably arranged in the groove 351. A second eyeglass holder 370 is fixedly arranged on the side of the turntable 360 ​​facing away from the wearer's cheek. When the turntable 360 ​​rotates, it can drive the second eyeglass holder 370 to rotate relative to the headset stand 350.

[0078] The second eyeglass holder 370 is used to support, accommodate, or restrict the temples of the eyeglasses, and forms a support position that cooperates with the temples of the eyeglasses, so that the temples of the eyeglasses do not directly press between the headset 350 and the wearer's ear; the second eyeglass holder 370 is accommodated in the groove 351, and the surface of the second eyeglass holder 370 facing away from the wearer's cheek does not protrude above the opening of the groove 351.

[0079] Reference Figure 6 A fixing block 380 is fixedly provided on the inner top wall of the groove 351. The fixing block 380 forms a line contact with the circumferential surface of the turntable 360 ​​to apply rotational resistance to the turntable 360, so that the turntable 360 ​​can rotate under the action of external force and can remain in the adjusted rotational position after the external force is removed. The fixing block 380 can be made of a material with elastic or frictional properties, or the frictional force required to maintain the turntable 360 ​​can be formed by the assembly pressure between the fixing block 380 and the turntable 360.

[0080] When worn, the headset body 310 can be on the same or substantially the same wearing plane as the plane where the wearer's two ears are located, or it can be tilted relative to the plane where the two ears are located. When the headset body 310 and headset frame 350 are tilted relative to the wearer's head, the user can rotate the second eyeglasses frame 370, so that the second eyeglasses frame 370 drives the turntable 360 ​​to rotate to a position that matches the extension direction of the temple of the eyeglasses, and maintains this position through the friction between the fixing block 380 and the turntable 360.

[0081] The temples of the glasses can enter the corresponding support position of the second eyeglass holder 370 through the opening of the groove 351; when not wearing glasses, the second eyeglass holder 370 is less likely to scratch hair, skin or clothing, and will not significantly increase the lateral thickness of the headset 350; when wearing glasses, the second eyeglass holder 370 can restrict the temples of the glasses to the inside of the headset 350 or to a position close to the headset 350, reducing the local pressure caused by the temples of the glasses and the headset 350 overlapping each other near the wearer's auricle.

Claims

1. A suspended headset spacing adjustment device, the headset comprising a headset body, a broadcast end disposed on the headset body, and a headset stand extending upward from the broadcast end, characterized in that, include: Adjust the main unit to connect to the headset or the broadcasting terminal; as well as The structure is maintained and works in conjunction with the adjustment body to limit the positional change of the adjustment body relative to the headset body after the spacing adjustment is completed; The adjustable body can change the relative position between the broadcasting end and the wearer's ear, allowing the headset to selectively be in either the first or second broadcasting state. When the headset is in the first broadcasting state, at least a portion of the broadcasting end extends into the wearer's ear; when the headset is in the second broadcasting state, the broadcasting end is located outside the wearer's ear and forms a gap between it and the wearer's ear canal opening, so that the broadcasting end is in a suspended broadcasting state.

2. The suspended headset spacing adjustment device according to claim 1, characterized in that: The adjustment unit is an accessory that is installed on the headset; The adapter includes a mounting part and at least one abutment part disposed on the mounting part. The mounting part is movably sleeved on the headset stand and can move continuously within the adjustment stroke along the extension direction of the headset stand. The faceplate is located on the side of the mounting part facing the wearer's cheek and has a pressing surface for abutting against the wearer's cheek; The retaining structure can hold the mounting part in any selected position within the adjustment stroke.

3. The suspended headset spacing adjustment device according to claim 2, characterized in that: The headset stand has a circular cross-section, and the mounting part is a sleeve structure that fits onto the outside of the headset stand. The retaining structure includes at least one rotating screw that is frictionally rotatably disposed at one end of the mounting part. The outer peripheral surface of the headset holder is provided with an external thread, and the inner peripheral surface of the screw is provided with an internal thread that mates with the external thread.

4. The suspended headset spacing adjustment device according to claim 3, characterized in that: The effective threaded section between the internal and external threads forms a complete thread. The pitch of the internal and external threads corresponds to the adjustment stroke of the mounting part, so that when the screwing part rotates one revolution relative to the headset stand, the mounting part can move from one end of the adjustment stroke to the other end of the adjustment stroke.

5. The suspended headset spacing adjustment device according to claim 2, characterized in that: There are two abutment sections, and each abutment section is connected to the mounting part by a rod; Each abutment is frictionally rotatably connected to an extension member, so that the extension member can rotate relative to the abutment member under the action of external force, and can be maintained in the adjusted rotational position by the friction between the extension member and the abutment member after the external force is removed. The first eyeglass holder is located on the side of the extension that faces away from the wearer's cheek.

6. The adjustable earpiece spacing device according to claim 1, characterized in that: Adjust the connection between the main unit and the broadcasting terminal; the broadcasting terminal is connected to the headset main unit through the adjustment of the main unit. The holding structure has at least a first positioning position and a second positioning position, and the broadcasting end can be stably held in the first broadcasting position and the second broadcasting position by the holding structure; When the broadcasting terminal is in the first broadcasting position, the headset is in the first broadcasting state; when the broadcasting terminal is in the second broadcasting position, the headset is in the second broadcasting state.

7. The suspended headset spacing adjustment device according to claim 6, characterized in that: The adjustment body includes a rotating adjustment component connected to the broadcast end and a fixing component connected to one end of the headset body. The rotating adjustment component and the fixing component are movably connected and can rotate relative to the fixing component and move along the axial direction of the fixing component. The retaining structure includes a limiting member connected to the rotation adjustment member, and a first annular groove, a second annular groove, and a plug groove formed in the fixing member; The first annular groove and the second annular groove are spaced apart along the axial direction of the fastener, and the insertion groove extends along the axial direction of the fastener and communicates with the first annular groove and the second annular groove respectively. The limiting member can move along the insertion groove to the position of the first annular groove, and rotate with the rotating adjustment member into the first annular groove so that the broadcasting end is kept in the first broadcasting position; The limiting member can also move along the insertion slot to the position of the second annular groove, and rotate with the rotating adjustment member into the second annular groove so that the broadcasting end is kept in the second broadcasting position.

8. The adjustable earpiece spacing device according to claim 6, characterized in that: The headset stand has a square cross-section; The headset has a groove on the side facing away from the wearer's face, and a turntable is rotatably installed in the groove. A second glasses holder is fixed on the side of the turntable facing away from the wearer's face. The turntable can cause the glasses frame to rotate relative to the headset stand; A fixing block is fixedly installed on the inner top wall of the groove. The fixing block is in line contact with the circumferential surface of the turntable to restrict the rotation of the turntable and keep the turntable in the adjusted rotation position.

9. The suspended headset spacing adjustment device according to claim 8, characterized in that: The eyeglass frame is housed within a groove, and the surface of the eyeglass frame facing away from the wearer's cheek does not protrude above the opening of the groove.

10. The adjustable earpiece spacing device according to claim 7, characterized in that: The fastener is also provided with at least one additional annular groove, which is located between the first annular groove and the second annular groove and communicates with the insertion groove. The limiting member can move along the insertion slot to the position of any additional annular groove, and rotate with the rotating adjustment member into the corresponding additional annular groove, so that the broadcasting end is kept in the intermediate broadcasting position between the first broadcasting position and the second broadcasting position.

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