CN216852312U

CN216852312U - Rotation connection structure of headphone

Info

Publication number: CN216852312U
Application number: CN202220656210.6U
Authority: CN
Inventors: 李小林
Original assignee: Yizhao Acoustics Technology Shenzhen Co ltd
Current assignee: Yizhao Acoustics Technology Shenzhen Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-06-28
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a rotary connecting structure of a headset, which comprises a telescopic headband, a rotary connecting piece, a Y-shaped supporting frame and earmuffs, wherein both sides of the bottom end of the telescopic headband are connected with the Y-shaped supporting frame through the rotary connecting piece; the utility model discloses a spread groove is accomodate the rotating connection spare, and insert the spacing box in the Y type support frame with the metal pivot, make the rotating connection spare hidden, the product aesthetic property has been guaranteed, and carry out spacing the stopping to spacing through the dog in the spacing box, it is spacing to make Y type support frame and ear muff obtain when rotating, it is excessive to avoid rotating, carry out the joint to ring groove through the card hole, make the rotating connection spare can not pull out promptly, can not fall into in yet, avoid producing and rock, moreover, the steam generator is simple in structure and reliable, the mold manufacturing is simple, the normal life of product has been guaranteed, and the assembly process is succinct.

Description

Rotation connection structure of headphone

Technical Field

The utility model relates to the technical field of earphones, especially, relate to a headphone's rotation connection structure.

Background

The earphone is a pair of conversion units, it accepts the electric signal sent from media player or receiver, utilize and close to the loudspeaker of the ear and change it into the sound wave that can be heard, the earphone can be separated from media player, can connect only with a plug, the earphone is originally for using on telephone and radio, but with the prevalence of the portable electronic device, the earphone is used in mobile phone, walkman, radio, portable electric game and digital audio player, the earphone is usually divided into headphone and earplug earphone, wherein the headphone is bulky, have sound field better than earplug earphone, the comfort level is good, and do not enter the ear, can avoid scratching the auditory canal;

at present, the earmuff part and the bandeau part of headphone are generally connected through the connecting piece rotation, and current bandeau makes the rotation connecting piece between the earmuff part and the bandeau part of headphone all the structure complicated, and the reliability is poor, and life is not long, and the mould cost for making the connecting piece is higher, and the connecting piece mostly exposes outside, and the aesthetic property is not enough, and the equipment of still being not convenient for in addition, the productivity is not high, therefore, the utility model provides a headphone's rotation connection structure is used for solving the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a rotation connection structure of headphone solves the problem that current connecting piece structure for headphone is complicated, the reliability is poor, the aesthetic property is poor and the equipment is difficult.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: a rotary connecting structure of a headset comprises a telescopic headband, a rotary connecting piece, a Y-shaped supporting frame and earmuffs, wherein two sides of the bottom end of the telescopic headband are connected with the Y-shaped supporting frame through the rotary connecting piece, the earmuffs are arranged on the inner side of the Y-shaped supporting frame, the lower part of the inner side of the telescopic headband is provided with a connecting groove, the rotary connecting piece is hinged in the connecting groove, one side of the rotary connecting piece, which is positioned outside the connecting groove, is connected with a metal rotating shaft which extends into the Y-shaped supporting frame, the metal rotating shaft is provided with an annular clamping groove, one side of the Y-shaped supporting frame, which is close to the rotary connecting piece, is provided with a clamping hole matched with the annular clamping groove, one side of the clamping hole, which is positioned inside the Y-shaped supporting frame, is provided with a limiting box, the metal rotating shaft penetrates through the clamping hole and extends into the limiting box, one side of the metal rotating shaft, which is positioned in the limiting box, is fixed with a limiting strip, and a stop block matched with the limiting strip is arranged in the limiting box.

The further improvement lies in that: the limiting box is arranged inside the limiting box through fastening screws, the limiting strips are symmetrically fixed on the upper side and the lower side of the metal rotating shaft, and the stop blocks are obliquely and symmetrically distributed on the inner wall of the limiting box.

The further improvement lies in that: the articulated shaft is all fixed with to both sides around the rotation connecting piece, all set up the articulated groove that matches with the articulated shaft on both sides inner wall around the spread groove.

The further improvement lies in that: arc grooves are formed in the front side wall and the rear side wall of the rotating connecting piece, and arc protrusions matched with the arc grooves are formed in the inner walls of the front side wall and the rear side wall of the connecting groove.

The further improvement lies in that: the earmuffs are hinged to the Y-shaped supporting frame, hinged holes are formed in the front side wall and the rear side wall of each earmuff, and hinged columns matched with the hinged holes are fixed on the inner sides of the Y-shaped supporting frames.

The utility model has the advantages that: the utility model discloses a scalable bandeau, the connecting piece rotates, Y type support frame and earmuff, accomodate rotating connection spare through the spread groove, and insert the spacing box in the Y type support frame with the metal pivot, make the rotating connection spare hidden, the product aesthetic property has been guaranteed, and carry out spacing blockking to spacing through the dog in the spacing box, make Y type support frame and earmuff obtain spacingly when rotating, avoid rotating excessively, carry out the joint to ring groove through the card hole, make the rotating connection spare can not pull out promptly, also can not sink in, avoid producing and rock, moreover, the steam generator is simple in structure and reliable, the mold preparation is simple, the normal life of product has been guaranteed, and assembly process is succinct, the productivity of product has been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the retractable headband, the rotary connecting member, the Y-shaped support frame and the earmuffs of the present invention;

FIG. 2 is a schematic view of the solid structure of the present invention when the rotating connecting member is connected to the Y-shaped supporting frame;

FIG. 3 is a schematic perspective view of the retractable headband of the present invention in connection with a rotatable connector;

FIG. 4 is a schematic view of the internal structure of the Y-shaped support frame of the present invention;

FIG. 5 is a schematic perspective view of the connection between the rotary connector and the position-limiting box of the present invention;

fig. 6 is a schematic perspective view of the spacing box of the present invention;

fig. 7 is a schematic perspective view of the rotary connector of the present invention;

fig. 8 is a schematic view of the three-dimensional structure of the Y-shaped support frame of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of a connecting groove of the present invention.

Wherein: 1. a retractable headband; 2. rotating the connecting piece; 3. a Y-shaped support frame; 4. ear muffs; 5. connecting grooves; 6. a metal rotating shaft; 7. an annular neck; 8. a clamping hole; 9. a limiting box; 10. a limiting strip; 11. a stopper; 12. hinging a shaft; 13. a hinge slot; 14. an arc-shaped groove; 15. an arc-shaped bulge; 16. a hinge hole; 17. a hinged column.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the drawings of fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the present embodiment provides a rotation connection structure of a headphone, which includes a retractable headband 1, a rotation connection member 2, a Y-shaped support frame 3 and ear muffs 4, the retractable headband 1 has a retractable function so as to be suitable for users with different head types, both sides of the bottom end of the retractable headband 1 are connected to the Y-shaped support frame 3 through the rotation connection member 2, the ear muffs 4 are installed inside the Y-shaped support frame 3, the lower part of the inside of the retractable headband 1 is provided with a connection groove 5, the rotation connection member 2 is hinged inside the connection groove 5, the hidden arrangement of the rotation connection member 2 is realized, the aesthetic property of the product is ensured, one side of the rotation connection member 2 located outside the connection groove 5 is connected with a metal rotation shaft 6 extending to the inside of the Y-shaped support frame 3, the hidden arrangement of the metal rotation shaft 6 is realized, the attractiveness of the product is ensured, the metal rotating shaft 6 is formed by adopting a metal die-casting process, the service life of the product is ensured, the annular clamping groove 7 is formed in the metal rotating shaft 6, the clamping hole 8 matched with the annular clamping groove 7 is formed in one side, close to the rotary connecting piece 2, of the Y-shaped support frame 3, the clamping hole 8 is used for clamping the annular clamping groove 7 to realize the positioning of the metal rotating shaft 6, the limiting box 9 is arranged at one side, located inside the Y-shaped support frame 3, of the clamping hole 8, the metal rotating shaft 6 penetrates through the clamping hole 8 and extends into the limiting box 9, the limiting strip 10 is fixed at one side, located inside the limiting box 9, of the metal rotating shaft 6, the limiting strip 11 matched with the limiting strip 10 is arranged in the limiting box 9, the limiting strip 10 is limited and blocked by the limiting block 11 in the limiting box 9, the Y-shaped support frame 3 and the ear muff 4 are limited during rotation, the excessive rotation is avoided, the annular clamping connection of the annular clamping groove 7 is realized through the clamping hole 8, the rotary connecting piece 2 can not be pulled out and can not sink in, so that the rotary connecting piece 2 is prevented from shaking, and the normal service life of the product is guaranteed to a certain extent.

Spacing box 9 passes through fastening screw to be installed inside spacing box 9, and spacing 10 symmetry is fixed in the upper and lower both sides of metal pivot 6, and dog 11 is the slant symmetric distribution on spacing box 9 inner wall, and the dog 11 that utilizes the symmetric distribution stops spacingly to the spacing 10 of symmetrical setting, realizes that metal pivot 6 rotates spacing of in-process.

Articulated shaft 12 is all fixed with to both sides around the rotation connecting piece 2, all sets up the articulated groove 13 that matches with articulated shaft 12 on the both sides inner wall around the spread groove 5, and articulated shaft 12 extends to articulated groove 13 in, realizes the articulated of rotation connecting piece 2 and scalable bandeau 1 through the cooperation of articulated shaft 12 and articulated groove 13.

All seted up arc recess 14 on the wall of both sides around rotating connecting piece 2, all be equipped with the arc arch 15 that matches with arc recess 14 around the spread groove 5 on the both sides inner wall, carry on spacingly through arc arch 15 to arc recess 14, make to rotate connecting piece 3 and accomodate realizing the location under the condition that does not receive external force in the spread groove 5 after, the manual 3 dials out of connecting piece that will rotate of user of being convenient for simultaneously.

Earmuff 4 is articulated with Y type support frame 3, has all seted up hinge hole 16 on the wall of earmuff 4 front and back both sides, and 3 inboard fixed with hinge post 17 that match with hinge hole 16 of Y type support frame, hinge post 17 extends to hinge hole 16 in, realizes the articulated of earmuff 4 and Y type support frame 3 through the cooperation of hinge post 17 and hinge hole 16, and the earmuff 4 of being convenient for is in 3 inboard rotations of Y type support frame.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rotation connection structure of a headphone, characterized in that: comprises a telescopic head band (1), a rotating connecting piece (2), a Y-shaped supporting frame (3) and earmuffs (4), wherein the two sides of the bottom end of the telescopic head band (1) are connected with the Y-shaped supporting frame (3) through the rotating connecting piece (2), the earmuffs (4) are arranged on the inner side of the Y-shaped supporting frame (3), a connecting groove (5) is arranged on the lower part of the inner side of the telescopic head band (1), the rotating connecting piece (2) is hinged in the connecting groove (5), one side of the rotating connecting piece (2) positioned outside the connecting groove (5) is connected with a metal rotating shaft (6) extending to the inside of the Y-shaped supporting frame (3), an annular clamping groove (7) is arranged on the metal rotating shaft (6), one side of the Y-shaped supporting frame (3) close to the rotating connecting piece (2) is provided with a clamping hole (8) matched with the annular clamping groove (7), one side of the clamping hole (8) positioned inside the Y-shaped supporting frame (3) is provided with a limiting box (9), the metal rotating shaft (6) penetrates through the clamping hole (8) and extends into the limiting box (9), a limiting strip (10) is fixed on one side of the metal rotating shaft (6) located in the limiting box (9), and a stop block (11) matched with the limiting strip (10) is arranged in the limiting box (9).

2. A rotation connecting structure of a headphone according to claim 1, characterized in that: the limiting box (9) is installed inside the limiting box (9) through fastening screws, the limiting strips (10) are symmetrically fixed on the upper side and the lower side of the metal rotating shaft (6), and the stop blocks (11) are obliquely and symmetrically distributed on the inner wall of the limiting box (9).

3. A rotation connecting structure of a headphone according to claim 1, characterized in that: both sides all are fixed with articulated shaft (12) around rotating connecting piece (2), all set up articulated groove (13) with articulated shaft (12) matching on both sides inner wall around spread groove (5).

4. A rotation connecting structure of a headphone according to claim 1, characterized in that: arc-shaped grooves (14) are formed in the front side wall and the rear side wall of the rotating connecting piece (2), and arc-shaped protrusions (15) matched with the arc-shaped grooves (14) are arranged on the inner walls of the front side wall and the rear side wall of the connecting groove (5).

5. A rotation connecting structure of a headphone according to claim 1, characterized in that: earmuff (4) are articulated with Y type support frame (3), hinge hole (16) have all been seted up on both sides wall around earmuff (4), Y type support frame (3) inboard is fixed with hinge post (17) that match with hinge hole (16).