CN213342632U

CN213342632U - Head-wearing earphone

Info

Publication number: CN213342632U
Application number: CN202022504084.6U
Authority: CN
Inventors: 朱赞岳
Original assignee: Dongguan Edifier E Sports Technology Co ltd
Current assignee: Dongguan Edifier E Sports Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-01
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a headphone, which comprises a support arm upper cover and an earshell which can be rotationally connected with the support arm upper cover, wherein the support arm upper cover comprises two support arm parts, one sides of the two support arm parts, which are close to each other, are respectively provided with a rotating shaft, and the earshell is provided with a shaft hole matched with the rotating shaft; the rotating shaft is provided with a clamping groove along the circumferential direction, and a clamping part extending inwards is arranged in the shaft hole; when the rotating shaft is inserted into the shaft hole, the buckling part is clamped and connected with the clamping groove, so that the rotating shaft is fixed relative to the shaft hole along the axial direction. During assembly, the two supporting arm parts are pulled out, the rotating shaft is inserted into the shaft hole along the axis direction, the clamping part is clamped and connected with the clamping groove, the clamping part can rotate along the circumferential direction of the clamping groove, and the upper cover of the supporting arm and the earmuff can rotate relatively; simultaneously, the clamping parts are limited in the clamping grooves along the two opposite sides of the axial direction of the shaft hole, so that the rotating shaft cannot generate axial displacement, and the phenomenon that the upper cover of the support arm falls off from the earmuff when the headset falls off or collides is avoided.

Description

Head-wearing earphone

Technical Field

The utility model relates to an earphone field especially relates to a headphone.

Background

The head-wearing earphone is worn on the head, is not an earphone inserted into the auditory canal, has good sound field and good comfort level, and can avoid scratching the auditory canal. The headset comprises a headband, an earshell and other parts, wherein the headband and the earshell are connected through a rotating shaft.

In the prior art, the headband and the earmuff are movably connected in a manner of hinging through a rotating shaft, so that the relative angle between the headband and the earmuff is adjusted to adapt to the head shapes of different users; in the existing earphone rotating shaft structure, a rotating shaft is inserted into a corresponding shaft hole through an elastic structure, so that a head band is movably connected with an earshell; its shortcoming is swing joint between pivot and the shaft hole, and when the earphone fell or collided, the pivot was atred easily and is come off from the shaft hole, made bandeau and earlap take place to separate, and structural stability is poor, can't ensure user's use and experience.

In view of this, it is necessary to provide a headset with a stable structure, in which the rotation shaft at the connection position of the components will not fall off when being stressed, and the technical problem to be solved by those skilled in the art is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a headphone solves above technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a headset comprises a support arm upper cover and an earshell which is rotatably connected to the support arm upper cover, wherein the support arm upper cover comprises two support arm parts, rotating shafts are respectively arranged on the sides, close to each other, of the two support arm parts, and shaft holes matched with the rotating shafts are formed in the earshell; the novel gear box is characterized in that the rotating shaft is provided with a clamping groove along the circumferential direction, and a clamping part extending inwards is arranged in the shaft hole; the rotating shaft is inserted into the shaft hole, and the clamping part is clamped and connected with the clamping groove.

Optionally, the rotating shaft includes a first shaft portion and a second shaft portion which are arranged at intervals, the first shaft portion and the second shaft portion are both elastic structures, and the first shaft portion is provided with the clamping groove along the circumferential direction.

Optionally, the second rotating shaft extends outwards to form a limiting lug, a limiting groove corresponding to the limiting lug is arranged in the shaft hole, and the limiting lug is accommodated in the limiting groove; when the rotating shaft rotates clockwise/anticlockwise for a preset angle, one end of the limiting lug abuts against the inner wall of the limiting groove.

Optionally, the two arm portions are both elastic arm portions.

Optionally, the cross section of the limiting lug is fan-shaped, the limiting groove is a fan-shaped groove, and the central angle of the fan-shaped cross section of the limiting lug is smaller than that of the limiting groove.

Optionally, the limiting convex block and the clamping portion are arranged around the inner wall of the shaft hole, wherein the clamping portion is an arc-shaped convex block.

Optionally, the rotating shaft and the supporting arm part are of an integrated structure.

Optionally, one end of the rotating shaft, which is close to the shaft hole, is provided with a transition inclined plane.

Compared with the prior art, the utility model discloses following beneficial effect has: during assembly, the two supporting arm parts are pulled out, the rotating shaft is inserted into the shaft hole along the axis direction, and the clamping part is clamped and connected with the clamping groove; simultaneously, the clamping parts are limited in the clamping grooves along the two opposite sides of the axial direction of the shaft hole, so that the rotating shaft cannot generate axial displacement, and the phenomenon that the upper cover of the support arm falls off from the earmuff when the headset falls off or collides is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic structural view of the headphone of the present invention;

fig. 2 is a schematic cross-sectional view of an upper cover of a support arm of the headphone of the present invention;

fig. 3 is a schematic structural view of the upper cover of the support arm of the headphone of the present invention;

FIG. 4 is a schematic view of the structure of the support arm upper cover A-A of the headset of the present invention;

FIG. 5 is a schematic view of the structure of the upper cover B-B of the support arm of the headphone of the present invention;

fig. 6 is a second schematic sectional view of the support arm top cover of the headphone of the present invention.

Illustration of the drawings: the support arm comprises a support arm upper cover 1, an earshell 2, a support arm part 11, a rotating shaft 12, a shaft hole 21, a clamping groove 121, an engaging part 211, a first shaft part 122, a second shaft part 123, a limit bump 124, a limit groove 212 and a transition inclined plane 125.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides a headset, which comprises a support arm upper cover 1 and an earshell 2 which is rotatably connected with the support arm upper cover 1, wherein the support arm upper cover 1 comprises two support arm parts 11, one sides of the two support arm parts 11 which are close to each other are respectively provided with a rotating shaft 12, and the earshell 2 is provided with a shaft hole 21 which is matched with the rotating shaft 12; the rotating shaft 12 is provided with a clamping groove 121 along the circumferential direction, and a clamping part 211 extending inwards is arranged in the shaft hole 21;

when the rotating shaft 12 is inserted into the shaft hole 21, the engaging portion 211 is engaged with the engaging groove 121, so that the rotating shaft 12 is fixed relative to the shaft hole 21 in the axial direction.

The utility model discloses a theory of operation does: a clamping groove 121 is arranged on the rotating shaft 12 of the support arm upper cover 1 along the circumferential direction, and an engaging part 211 for connecting the clamping groove 121 is arranged in the shaft hole 21 of the ear shell 2; during assembly, the two arm supporting parts 11 are pulled out, the rotating shaft 12 is inserted into the shaft hole 21 along the axial direction, and the clamping part 211 is clamped and connected with the clamping groove 121, wherein the clamping groove 121 is arranged along the circumferential direction of the rotating shaft 12, and the clamping part 211 can rotate along the circumferential direction of the clamping groove 121, so that the arm supporting upper cover 1 and the earshell 2 can rotate relatively; meanwhile, the two opposite sides of the clamping part 211 along the axial direction of the shaft hole 21 are limited in the clamping groove 121, so that the rotating shaft 12 cannot generate axial displacement, and the phenomenon that the support arm upper cover 1 and the earmuff 2 fall off when the headset falls off or collides is avoided. The rotating shaft 12 is fixed without additionally using fasteners such as bolts and the like, and the structure is simple, easy to assemble and not easy to loosen.

In one embodiment of the present invention, the rotating shaft 12 includes a first shaft portion 122 and a second shaft portion 123 disposed at an interval, the first shaft portion 122 and the second shaft portion 123 are both elastic structures, a gap space is formed between the first shaft portion 122 and the second shaft portion 123, and the first shaft portion 122 is provided with a clamping groove 121. As shown in fig. 1, the first shaft portion 122 and the second shaft portion 123 are separately disposed, a gap space is reserved between the first shaft portion 122 and the second shaft portion 123, the first shaft portion 122 and the second shaft portion 123 have an elastic plug structure, when the rotating shaft 12 is inserted into the shaft hole 21, because the engaging portion 211 extends toward the inner side of the shaft hole 21, the shaft 12 is elastically deformed by the engaging portion 211, the first shaft 12 is elastically deformed toward one side of the second shaft 12, the shaft 12 is continuously inserted into the shaft hole 21 until the engaging portion 211 is engaged with the engaging slot 121, the first shaft portion 122 is no longer extruded by the clamping portion 211, the first shaft portion 122 recovers to the initial shape, the clamping portion 211 is limited in the clamping groove 121 along the two opposite sides of the axial direction of the shaft hole 21, the rotating shaft 12 cannot axially displace, the support arm upper cover 1 and the earmuff 2 are prevented from falling off, and the support arm upper cover 1 and the earmuff 2 can be assembled conveniently.

In one embodiment of the present invention, the second shaft portion 123 is provided with a limiting protrusion 124 extending outwardly, the shaft hole 21 is provided with a limiting groove 212 corresponding to the limiting protrusion 124, and the limiting protrusion 124 is received in the limiting groove 212; when the rotating shaft 12 rotates clockwise/counterclockwise by a preset angle, one end of the limiting protrusion 124 abuts against the inner wall of the limiting groove 212, and the rotating shaft 12 stops rotating. As shown in fig. 4, when the rotating shaft 12 is rotatably connected in the shaft hole 21 and the rotating shaft 12 and the shaft hole 21 relatively rotate, the limiting protrusion 124 on the rotating shaft 12 rotates in the limiting groove 212, and when the rotating shaft 12 rotates until the limiting protrusion 124 abuts against the inner wall of the limiting groove 212, the rotating shaft 12 stops rotating, so that the rotation stroke of the upper cover 1 and the earshell 2 is controlled within a certain range, which is convenient for adjusting the angle of the earshell 2.

In one embodiment of the present invention, both arm portions 11 are elastic arm portions. When support arm upper cover 1 and earlap 2 assemble, through two arm portions 11 of pulling out to the outside for two arm portions 11 take place elastic deformation, and the interval between two arm portions 11 is greater than the interval of two last shaft holes 21 of earlap 2, is convenient for insert pivot 12 in the shaft hole 21, accomplishes the assembly.

In one embodiment of the present invention, the cross section of the limiting protrusion 124 is fan-shaped, the limiting groove 212 is a fan-shaped groove, the central angle of the fan-shaped cross section of the limiting protrusion 124 is smaller than the central angle of the limiting groove 212, and the difference between the central angle of the limiting groove 212 and the central angle of the fan-shaped cross section of the limiting protrusion 124 is the rotation stroke of the arm top cover 1 and the earmuff 2.

In this novel embodiment of this use, spacing lug 124 and clamping part 211 encircle and set up in the inner wall of shaft hole 21, and wherein, clamping part 211 is the arc lug, and spacing lug 124 and clamping part 211 are with the shape looks adaptation in shaft hole 21, simplify the structure, are convenient for assemble.

In this novel embodiment of this use, pivot 12 and support arm portion 11 formula structure as an organic whole, and during the assembly, certain deformation need all take place for pivot 12 and support arm portion 11, and the integral type structure makes support arm upper cover 1's intensity higher to improve overall structure's stability.

In one embodiment of the present invention, a transition inclined plane 125 is disposed at an end of the rotating shaft 12 close to the shaft hole 21, and when the rotating shaft 12 is inserted into the shaft hole 21, the transition inclined plane 125 facilitates the rotating shaft 12 to align with the shaft hole 21, so as to play a role of guiding the rotating shaft 12 to be inserted into the shaft hole 21, and reduce the wear problem caused by hard collision between the rotating shaft 12 and the shaft hole 21 during assembly.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A headset comprises a support arm upper cover (1) and an earshell (2) which is rotatably connected to the support arm upper cover (1), wherein the support arm upper cover (1) comprises two support arm parts (11), one sides of the two support arm parts (11) which are close to each other are respectively provided with a rotating shaft (12), and the earshell (2) is provided with a shaft hole (21) which is matched with the rotating shaft (12); the novel bearing is characterized in that a clamping groove (121) is formed in the rotating shaft (12) along the circumferential direction, and a clamping part (211) extending inwards is arranged in the shaft hole (21); the rotating shaft (12) is inserted into the shaft hole (21), and the clamping part (211) is clamped and connected with the clamping groove (121).

2. The headphone as claimed in claim 1, wherein the shaft (12) comprises a first shaft portion (122) and a second shaft portion (123) arranged at intervals, the first shaft portion (122) and the second shaft portion (123) are both elastic structures, and the first shaft portion (122) is provided with the locking groove (121) along a circumferential direction.

3. The headset according to claim 2, wherein the second shaft portion (123) is provided with a limiting protrusion (124) extending outwards, a limiting groove (212) corresponding to the limiting protrusion (124) is provided in the shaft hole (21), and the limiting protrusion (124) is received in the limiting groove (212); when the rotating shaft (12) rotates clockwise/anticlockwise for a preset angle, one end of the limiting lug (124) is abutted against the inner wall of the limiting groove (212).

4. Headphone according to claim 1, characterized in that both of the armrests (11) are elastic armrests.

5. The headphone as claimed in claim 3, wherein the limiting projection (124) has a fan-shaped cross section, the limiting groove (212) is a fan-shaped groove, and a central angle of the fan-shaped cross section of the limiting projection (124) is smaller than a central angle of the limiting groove (212).

6. The headphone as claimed in claim 5, wherein the limiting protrusion (124) and the engaging portion (211) are disposed around an inner wall of the axial hole (21), wherein the engaging portion (211) is an arc-shaped protrusion.

7. The headset according to claim 1, wherein the hinge (12) and the arm part (11) are of one-piece construction.

8. The headphone as claimed in claim 1, characterized in that the end of the hinge (12) near the shaft hole (21) is provided with a transition slope (125).