CN210518790U - Support arm and earshell connecting structure of headset - Google Patents

Abstract

The utility model relates to the technical field of earphone manufacturing, and discloses a connecting structure of a support arm and an earshell of a headset, which comprises a support arm, an earshell and a horn base, wherein the front end of the support arm is provided with a connector with an axial central through hole, and the earshell is provided with a connecting hole matched with the connector; the connector is fixed stably, sealed well, high in strength and not easy to loosen through the matching structure of the connector limiting part and the outer hole of the connecting hole and the clamping position of the limiting plate on the horn base on the connector extending part, and the circuit is protected stably; the axial bulge on the limiting part of the connector is matched with the axial groove on the inner wall of the outer hole of the connecting hole, and the section radian of the axial groove is greater than that of the axial bulge, so that the earmuff can rotate in a certain angle, and the earmuff can be adjusted to be a more comfortable mode when the earphones are worn by different wearing methods and different head types; the outer surface of the earlap is provided with the braille convex points, so that the blind can be clearly distinguished, and the situation that the sound effect and the sound field are not good caused by wearing the earphone is avoided.

Description

Support arm and earshell connecting structure of headset

Technical Field

The utility model relates to an earphone manufacturing technology field especially relates to a headphone's support arm and earlap connection structure.

Background

At present, the earphone types are mainly divided into an in-ear type earphone and a head-wearing earphone, and the head-wearing earphone is popular due to the advantages of good sound field, high comfort level and no damage to the auditory meatus. However, when the headset is used, the headset needs to be continuously taken down or worn, and the earmuffs need to be continuously adjusted according to different wearing methods or different head shapes when the headset is worn by different people, so that the connection between the headset part and the earmuffs is easy to loose and deform and needs to be reinforced; in addition, if the connecting part is loosened and deformed, the phenomena of sound leakage, internal part leakage and the like can be caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a headphone's support arm and earlap connection structure.

In order to realize the purpose, the technical scheme of the utility model is that: a structure for connecting a support arm and an earshell of a headset comprises the support arm, the earshell and a loudspeaker base, wherein the front end of the support arm is provided with a connector with an axial central through hole, and the earshell is provided with a connecting hole matched with the connector;

the connecting head consists of a cover plate, a limiting part, an extending part and an end part which are coaxial and sequentially connected;

the limiting part is cylindrical, the outer wall of the limiting part is integrally connected with an axial bulge, and one end face of the limiting part is integrally connected with the cover plate; the extension part is in a circular truncated cone shape which extends outwards from the end face of the other end of the limiting part and gradually reduces in outer diameter, and the maximum outer diameter of the extension part is not larger than the outer diameter of the limiting part; the end part is cylindrical, one end of the end part is fixedly connected with the extension part, and the outer diameter of the end part is larger than the minimum outer diameter of the extension part and not larger than the maximum outer diameter of the extension part;

the connecting hole comprises an outer hole and an inner hole, the depth and the inner diameter of the outer hole are matched with the limiting part, an axial groove with an open end face is arranged inside the outer hole, an axial bulge on the limiting part is inserted into the axial groove, and the radian of the radial section of the axial groove is greater than that of the axial bulge; the inner diameter of the inner hole is matched with the maximum outer diameter of the extension part; the extension part penetrates through the inner hole and extends into the earshell, a support plate is integrally connected with the inner wall of the earshell, and a limiting hole which is coaxial with the connecting hole is formed in the support plate; the aperture of the limiting hole is matched with the outer diameter of the end part, the end part is placed in the limiting hole, and the inner end face of the end part is flush with the inner end face of the support plate;

the loudspeaker base is connected with the earshell through threads, a limiting plate is arranged on the loudspeaker base, the head of the limiting plate is an arc-shaped groove, the arc-shaped groove is clamped on the extension part between the support plate and the connecting hole, and the inner contour of the arc-shaped groove is matched with the outer contour of the extension part which is in contact with the arc-shaped groove.

Preferably, the outer surface of the earshell is provided with braille convex points representing 'L' or 'R'.

The utility model has the advantages that: 1. the connector is fixed stably, sealed well, high in strength and not easy to loosen through the matching structure of the connector limiting part and the outer hole of the connecting hole and the clamping position of the limiting plate on the horn base on the connector extending part, and the circuit is protected stably; 2. the axial protrusion on the limiting part of the connector is matched with the axial groove on the inner wall of the outer hole of the connecting hole, and the section radian of the axial groove is greater than that of the axial protrusion, so that the earmuff can rotate in a certain angle, and the earmuff can be adjusted to be a more comfortable mode when the earphones are worn by different wearing methods and different head types; 3. the outer surface of the earlap is provided with the braille convex points, so that the blind can be clearly distinguished, and the situation that the sound effect and the sound field are not good caused by wearing the earphone is avoided.

Drawings

Fig. 1 is a schematic view of a connection structure between a support arm and an earshell of a headset according to an embodiment of the present invention.

Fig. 2 is a view a-a of fig. 1.

Fig. 3 is a view B-B of fig. 1.

FIG. 4 is a schematic view of a support arm structure.

Fig. 5 is a schematic view of the structure of the earshell.

Fig. 6 is a schematic view of a speaker base structure.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

The structure for connecting the support arm and the earshell of the headset shown in fig. 1-6 comprises a support arm 1, an earshell 2 and a speaker base 3, wherein the front end of the support arm 1 is provided with a connector 4 with an axial central through hole, and the earshell 2 is provided with a connecting hole 5 matched with the connector;

the connector 4 consists of a cover plate 401, a limiting part 402, an extending part 403 and an end part 404 which are coaxial and sequentially connected;

the limiting part 402 is cylindrical, an axial protrusion 4021 is integrally connected to the outer wall of the limiting part 402, and one end face of the limiting part 402 is integrally connected with the cover plate 401; the extending part 403 is in a circular truncated cone shape which extends outwards from the end face of the other end of the limiting part 402 and has a gradually reduced outer diameter, and the maximum outer diameter of the extending part 403 is not larger than the outer diameter of the limiting part 402; the end part 404 is cylindrical, one end of the end part 404 is fixedly connected with the extension part 403, and the outer diameter of the end part 404 is larger than the minimum outer diameter of the extension part 403 and not larger than the maximum outer diameter of the extension part 403;

the connecting hole 5 comprises an outer hole 501 and an inner hole 502, the depth and the inner diameter of the outer hole 501 are matched with the limiting part 402, an axial groove 5011 with an open end face is formed in the outer hole 501, an axial protrusion 4021 on the limiting part is inserted into the axial groove 5011, and the radian of the radial section of the axial groove 5011 is larger than that of the radial section of the axial protrusion 4021; the inner diameter of the inner hole 502 is matched with the maximum outer diameter of the extension part 403; the extension part 403 penetrates through the inner hole 501 and extends into the earshell 2, the inner wall of the earshell is integrally connected with a support plate 7, and the support plate is provided with a limiting hole 701 which is coaxial with the connecting hole; the aperture of the limiting hole 701 is matched with the outer diameter of the end part 404, the end part 404 is placed in the limiting hole 701, and the inner end face of the end part is flush with the inner end face of the support plate;

the horn base 3 is connected with the earmuff 2 through threads, the horn base 3 is provided with a limiting plate 38, the head of the limiting plate 8 is an arc-shaped groove 801, the arc-shaped groove 801 is clamped on an extending part 403 between the support plate and the connecting hole, and the inner contour of the arc-shaped groove 801 is matched with the outer contour of the extending part 403 which is in contact with the extending part.

In order to avoid the blind person wearing the anti-earphone, the outer surface of the ear shell 1 shown in fig. 1 is provided with a braille convex point 6 representing 'L', and similarly, the other ear shell is provided with a braille convex point representing 'R'.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (2)

1. The utility model provides a headphone's support arm and concha connection structure, includes support arm, concha and loudspeaker base, its characterized in that: the front end of the supporting arm is provided with a connector with an axial central through hole, and the earshell is provided with a connecting hole matched with the connector;

the connecting head consists of a cover plate, a limiting part, an extending part and an end part which are coaxial and sequentially connected;

the limiting part is cylindrical, the outer wall of the limiting part is integrally connected with an axial bulge, and one end face of the limiting part is integrally connected with the cover plate; the extension part is in a circular truncated cone shape which extends outwards from the end face of the other end of the limiting part and gradually reduces in outer diameter, and the maximum outer diameter of the extension part is not larger than the outer diameter of the limiting part; the end part is cylindrical, one end of the end part is fixedly connected with the extension part, and the outer diameter of the end part is larger than the minimum outer diameter of the extension part and not larger than the maximum outer diameter of the extension part;

the connecting hole comprises an outer hole and an inner hole, the depth and the inner diameter of the outer hole are matched with the limiting part, an axial groove with an open end face is arranged inside the outer hole, an axial bulge on the limiting part is inserted into the axial groove, and the radian of the radial section of the axial groove is greater than that of the axial bulge; the inner diameter of the inner hole is matched with the maximum outer diameter of the extension part; the extension part penetrates through the inner hole and extends into the earshell, a support plate is integrally connected with the inner wall of the earshell, and a limiting hole which is coaxial with the connecting hole is formed in the support plate; the aperture of the limiting hole is matched with the outer diameter of the end part, the end part is placed in the limiting hole, and the inner end face of the end part is flush with the inner end face of the support plate;

the loudspeaker base is connected with the earshell through threads, a limiting plate is arranged on the loudspeaker base, the head of the limiting plate is an arc-shaped groove, the arc-shaped groove is clamped on the extension part between the support plate and the connecting hole, and the inner contour of the arc-shaped groove is matched with the outer contour of the extension part which is in contact with the arc-shaped groove.

2. The structure of claim 1, wherein: and left or right braille convex points are arranged on the outer surface of the ear shell.

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