CN214675624U - Telescopic damping structure of headset - Google Patents

Abstract

The utility model relates to the technical field of earphones, in particular to a telescopic damping structure of a headphone, which comprises a headband, a hinge post and an earshell, wherein the end part of the headband is fixedly provided with a hinge seat, the hinge seat is provided with a hinge hole, one end of the hinge post is provided with a hinge part inserted into the hinge hole, the other end of the hinge post is inserted into the earshell, and the earshell can rotate around the axis of the hinge post or move along the axis direction of the hinge post; fixed mounting has the damping packing ring in the earlap, and damping packing ring self possesses elasticity, and the periphery side at articulated post is established to the damping packing ring cover, and the internal diameter of damping packing ring is less than the external diameter of articulated post. Compared with the prior art, through setting up the damping packing ring, utilize the frictional force between damping packing ring and the hinge post to carry on spacingly to the flexible range of ear shell, solved the problem of adjusting the abnormal sound in the past to the limitation of adjusting in the past has been eliminated.

Description

Telescopic damping structure of headset

Technical Field

The utility model relates to an earphone technical field, concretely relates to flexible damping structure of headphone.

Background

The earphone is a pair of conversion units which receive the electric signals from the media player or receiver and convert them into audible sound waves by using a speaker near the ear. The earphone can be separated from the media player, can be connected by only using one plug, and can listen to the sound independently without influencing other people; can also isolate the sound of the surrounding environment, and is very helpful for people who use in a noisy environment such as a recording studio, a bar, a trip, sports, and the like.

Traditional headphone's structure includes the bandeau and sets up the earlap at the bandeau both ends, installs the present headphone of sound production original paper in the earlap, and the earlap can carry out concertina movement along the length direction of bandeau to adjust the earlap to the position of comfortable wearing. This kind of headset of earmuff scalable motion on the market, its extending structure mainly realizes through card holding mechanism, and is concrete through inserting the tip of bandeau in the earmuff, and the part that the bandeau inserted the earmuff is seted up a plurality of draw-in grooves along its length direction, and sets up the card in the earmuff protrudingly, goes into the draw-in groove of different positions through the card to realize the regulation of earmuff position. But this kind of regulation structure has a lot of problems, for example can send the abnormal sound during the regulation, and the card is protruding to drop very easily and the draw-in groove is wearing and tearing very easily, and life is short, and the replacement cost is high, adjusts flexible length and according to the interval decision between a plurality of draw-in grooves, adjusts and has the limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the prior art, and provide a flexible damping structure of headphone.

The purpose of the utility model is realized through the following technical scheme:

the headset telescopic damping structure comprises a head band, a hinge column and an earshell, wherein a hinge seat is fixedly mounted at the end part of the head band, a hinge hole is formed in the hinge seat, a hinge part inserted into the hinge hole is arranged at one end of the hinge column, the other end of the hinge column is inserted into the earshell, and the earshell can rotate around the axis of the hinge column or move along the axis direction of the hinge column; fixed mounting has the damping packing ring in the earlap, and damping packing ring self possesses elasticity, and the periphery side at articulated post is established to the damping packing ring cover, and the internal diameter of damping packing ring is less than the external diameter of articulated post.

Wherein, the earlap internal fixation installs the spacing sleeve pipe of cover establishing in the articulated post outside, and the storage tank has been seted up on spacing sleeve pipe's top, and in the storage tank was put into to the damping packing ring, the interior anchor ring of damping packing ring and the lateral surface butt of articulated post, the outer anchor ring of damping packing ring and the cell wall butt of storage tank.

Wherein, the tank bottom of storage tank is equipped with convex card protruding upwards, and the bayonet socket has been seted up to the bottom surface of damping packing ring, and under the assembled state, the card is protruding to be inserted in the bayonet socket.

Wherein, the peripheral side surface of the limiting sleeve is provided with a limiting opening, and the hinge column is provided with a limiting part protruding out of the outer side surface of the hinge column; in the assembled state, the limiting member is inserted into the limiting opening.

Wherein, the locating part is the stop screw of rigid coupling on the hinge post.

Wherein, the spacing opening is the rectangle setting.

Wherein, the articulated column is the T shape setting.

Wherein, a plurality of installation ears extend outwards from the outer side surface of the limiting sleeve, each installation ear is provided with an installation hole, and a plurality of threaded holes corresponding to the installation holes of the installation ears are arranged in the earmuffs.

The utility model has the advantages that:

the utility model discloses a flexible damping structure of headphone, compared with prior art, through setting up the damping packing ring, utilize the frictional force between damping packing ring and the hinge post to carry on spacingly to the flexible range of earlap, solved the problem of adjusting the abnormal sound in the past to the limitation of adjusting in the past has been eliminated.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of the earphone in this embodiment.

Fig. 2 is an exploded view of the earphone in this embodiment.

Fig. 3 is a schematic structural diagram of the earphone according to the embodiment after the bottom case is hidden.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an assembly view of the damping washer, the hinge post and the limit sleeve in this embodiment.

Fig. 6 is an exploded view of the damping washer, hinge post and stop collar of this embodiment.

Reference numerals: the headband comprises a headband body 1, an earshell 2, a bottom cover 21, an earcap 22, a sound production unit 23, a hinge base 3, a hinge hole 31, a hinge column 4, a hinge portion 41, a limiting part 42, a limiting sleeve 5, a limiting opening 51, a mounting ear 52, a containing groove 53, a clamping protrusion 54, a sponge body 6, a damping washer 7 and a bayonet 71.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses an embodiment of the flexible damping structure of headphone, as shown in fig. 1 to 4, the earphone includes bandeau 1, articulated post 4 and earlap 2.

In this embodiment, in order to facilitate the continuous maintenance of the earphone, the earmuff 2 includes a bottom cover 21 and an ear cover 22 detachably connected to the bottom cover 21, and the detachable connection mode can be realized by a clamping structure or a screw fixing mode, and can be specifically selected according to actual requirements. Be equipped with sound generating unit 23 between bottom 21 and the ear lid 22, sound generating unit 23 can be fixed through the mode of adhesion, of course, can also set up other electronic component such as battery, circuit board in the earlap 2, specifically also can select to set up according to actual demand.

In the present embodiment, in order to further improve the wearing experience of the consumer, the sponge body 6 is fixedly mounted on the outer side surface of the ear cover 22.

In order to facilitate the storage of the earphones, in order to enable the earmuffs 2 to be folded inside the headband 1, the end part of the headband 1 is fixedly provided with the hinge seat 3, the hinge seat 3 is provided with a hinge hole 31, and one end of the hinge column 4 is provided with a hinge part 41 inserted into the hinge hole 31. It should be noted that, in order to improve the fluency of storage, the hinge hole 31 and the hinge post 4 are both provided in a T shape, so that the hinge post 4 can rotate around the axial direction of the hinge portion 41, thereby achieving the purpose of storing the earmuff 2.

In this embodiment, the other end of the hinge post 4 is inserted into the earmuff 2, the earmuff 2 can rotate (rotate) around the axial direction of the hinge post 4, only a through hole needs to be opened on the side of the earmuff 2, the hinge post 4 can be inserted into the through hole, some damping mechanisms can be arranged between the through hole and the hinge post 4 to limit or increase friction, but the other end of the earmuff 2 cannot be influenced to rotate or move in a stretching manner (stretching movement) along the axial direction of the hinge post 4.

In order to limit the rotation range of the hinge post 4 when the earshell 2 is pulled out and the earshell 2 is limited, a limiting sleeve 5 covering the hinge post 4 is fixedly mounted in the earshell 2, a limiting opening 51 is formed in the peripheral side surface of the limiting sleeve 5, the hinge post 4 is provided with a limiting part 42 protruding out of the outer side surface of the hinge post 4, and in this embodiment, the limiting part 42 is a limiting screw fixedly connected to the hinge post 4 for convenience of manufacture.

In the assembled state, the limiting member 42 is inserted into the limiting opening 51, in the present embodiment, the spreading shape of the limiting opening 51 is a rectangular structure, and the limiting member 42 can move in the rectangular limiting opening 51 in the transverse direction or the longitudinal direction, but since the limiting opening 51 is opened on the limiting sleeve 5, the limiting structure is formed on the left side, the right side, the upper side and the lower side of the limiting opening 51 to continue the movement limitation of the limiting member 42, thereby realizing the stretching and the rotation limitation of the earmuff 2.

In this embodiment, in order to replace the limiting part 42 conveniently, the outer side surface of the limiting sleeve extends outwards to form a plurality of mounting lugs 52, each mounting lug 52 is provided with a mounting hole, a plurality of threaded holes corresponding to the mounting holes of the mounting lugs 52 are formed in the earmuff 2, and the limiting sleeve can be mounted through screws, so that the mounting and dismounting are convenient.

In this embodiment, the hinge post 4 is provided with wire holes penetrating through both ends thereof, so that the ear shells 2 at the left and right ends can be electrically connected conveniently.

As a modification, in conjunction with fig. 4 to 6, a damping washer 7 is fixedly installed in the ear shell. Specifically, storage tank 53 has been seted up on spacing sheathed tube top, and damping packing ring 7 is put into in the storage tank 53, and damping packing ring 7's interior anchor ring face and the lateral surface butt of articulated post, damping packing ring 7's outer anchor ring face and storage tank 53's cell wall butt, damping packing ring 7 self possesses elasticity, can adopt rubber materials or silica gel material on the market, and damping packing ring 7 cover is established in the periphery side of articulated post, and damping packing ring 7's internal diameter is less than the external diameter of articulated post. In order to prevent the damping washer 7 from rotating continuously, a fool-proof structure is added, specifically, the bottom of the accommodating groove 53 is provided with a clamping protrusion 54 protruding upwards, the bottom of the damping washer 7 is provided with a bayonet 71, and in an assembled state, the clamping protrusion 54 is inserted into the bayonet 71.

Compared with the prior art, the telescopic damping structure of the headset of the embodiment has the advantages that by arranging the damping gasket 7, the telescopic amplitude of the headset shell is limited by the aid of friction force between the damping gasket 7 and the hinge columns, the problem of adjusting abnormal sound in the past is solved, and limitation of adjusting in the past is eliminated.

Compared with the prior art, the headset of the embodiment has the advantages that the headset 1 and the earmuff 2 are connected through the hinge column 4, the earmuff 2 can continue to stretch and rotate around the axis of the hinge column 4, so that the headset can be suitable for head wearing of different sizes, in addition, the rotation range and the stretching range of the earmuff 2 can be limited through the matching of the limiting part 42 and the limiting opening 51, the damage of the headset caused by excessive stretching or rotation is avoided, and the service life of the headset is prolonged.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. The utility model provides a flexible damping structure of headphone which characterized in that: the ear shell comprises a head band, a hinge column and an ear shell, wherein a hinge seat is fixedly installed at the end part of the head band, a hinge hole is formed in the hinge seat, a hinge part inserted into the hinge hole is arranged at one end of the hinge column, the other end of the hinge column is inserted into the ear shell, and the ear shell can rotate around the axis of the hinge column or move along the axis direction of the hinge column;

fixed mounting has a damping packing ring in the conch, damping packing ring self possesses elasticity, the damping packing ring cover is established the periphery side of articulated post, the internal diameter of damping packing ring is less than the external diameter of articulated post.

2. The headphone telescoping damping structure of claim 1, wherein: the hinge column is characterized in that a limiting sleeve is fixedly arranged in the earshell and sleeved on the outer side of the hinge column, a containing groove is formed in the top end of the limiting sleeve, the damping gasket is arranged in the containing groove, the inner ring surface of the damping gasket is abutted against the outer side surface of the hinge column, and the outer ring surface of the damping gasket is abutted against the groove wall of the containing groove.

3. The headphone telescoping damping structure of claim 2, wherein: the tank bottom of storage tank is equipped with convex card protruding up, the bayonet socket has been seted up to the bottom surface of damping packing ring, under the assembled state, the protruding inserting of card is in the bayonet socket.

4. The headphone telescoping damping structure of claim 2, wherein: a limiting opening is formed in the peripheral side face of the limiting sleeve, and the hinge column is provided with a limiting part protruding out of the outer side face of the hinge column; in an assembled state, the limiting piece is inserted into the limiting opening.

5. The headphone telescoping damping structure of claim 4, wherein: the limiting part is a limiting screw fixedly connected to the hinge column.

6. The headphone telescoping damping structure of claim 4, wherein: the limiting opening is arranged in a rectangular shape.

7. The headphone telescopic damping structure according to claim 1 or 4, wherein: the hinged columns are arranged in a T shape.

8. The headphone telescoping damping structure of claim 2, wherein: a plurality of mounting lugs extend outwards from the outer side surface of the limiting sleeve, mounting holes are formed in each mounting lug, and a plurality of threaded holes corresponding to the mounting holes of the mounting lugs are formed in the earshell.

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