CN216451522U

CN216451522U - Structure is adjusted to headphone's cavity

Info

Publication number: CN216451522U
Application number: CN202123327429.6U
Authority: CN
Inventors: 马曾华
Original assignee: Dongguan Yijia Electronic Technology Co ltd
Current assignee: Dongguan Yijia Electronic Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-06
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to the technical field of earphones, and particularly relates to a cavity adjusting structure of a headset, which comprises a headset shell, wherein a sound channel, earmuffs, a dust screen, a supporting frame, an elastic protecting band, a fixing buckle and an adjusting mechanism are arranged on the headset shell, and the adjusting mechanism comprises an adjusting motor, a screw rod, an adjusting block, a sounding unit body, a sound cavity I, a spring, a sound cavity II and a sounding cover; can guarantee not running off of sound through being provided with the dust screen, the comfort when cooperation ear muff can increase and wear is provided with the elasticity protecting band and can carry out its height of automatically regulated according to user's head circumference, satisfies the people of different head types and uses, is provided with adjustment mechanism, can come to carry out the tuning to the earphone through the cavity quantity and the structure that change the earphone, satisfies user's professional demand.

Description

Structure is adjusted to headphone's cavity

Technical Field

The utility model belongs to the technical field of earphones, and particularly relates to a cavity adjusting structure of a headset.

Background

Headphones, as the name implies, are worn on the head, not inserted into the ear canal, as opposed to the type of in-ear earplugs. The earphone consists of two parts, namely a signal transmitter and an earphone (usually of a moving coil type) with a signal receiving and amplifying device, wherein a loudspeaker is one of the most important parts on the earphone, the loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker greatly influences the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

Compared with the prior art the problem that exists: when using the headset, professional users often tune the headset, and the tuning can be realized by adjusting the density of the mesoporous sponge, so that the headset is high in density, weak in bass and good in layering. The earphone unit has the advantages that the density is low, the bass is heavy, the layering sense is slightly weakened, the tone quality can be adjusted by changing a plurality of porous non-woven fabric-like objects which are covered outside the earphone unit, then wires of the earphone are replaced, and the tone quality can be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides a cavity adjusting structure of a headphone.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cavity adjusting structure of a head-wearing earphone is designed, and comprises an earphone shell, wherein a plurality of sound channels are arranged on the earphone shell in a penetrating manner, earmuffs are fixedly arranged on one side of the earphone shell, a dustproof net is arranged on one side of each earmuff, a supporting frame is rotatably arranged at the top of the earphone shell, an elastic protecting band is fixedly arranged on one side of the supporting frame, fixing buckles are sleeved on two sides of the elastic protecting band away from each other, an adjusting mechanism is arranged in the earphone shell, an adjusting motor is arranged on the adjusting mechanism, a lead screw is fixedly arranged on one side of the adjusting motor, an adjusting block is sleeved on the lead screw, a sound production unit body is sleeved on the outer side of the adjusting block, a sound cavity I is arranged in the sound production unit body, a spring is fixedly arranged on one side of the sound cavity I, a sound cavity II is arranged on one side of the spring, and the sound cavity II is connected with the sound production unit body in a sliding manner, and a sounding cover is arranged on one side of the sound cavity II.

Preferably, the support frame is sleeved with a protection pad.

Preferably, a plurality of air holes are formed in the elastic protecting band.

Preferably, the motor support is sleeved on the adjusting motor and fixedly connected with the earphone shell.

Preferably, one side of the screw rod is fixedly provided with a limiting block.

Preferably, the sounding cover is provided with a plurality of sounding holes.

Compared with the prior art, the utility model has the beneficial effects that:

this device can guarantee not losing of sound through being provided with the dust screen, the comfort when the cooperation earmuff can increase and wear, it can carry out its height of automatically regulated according to user's head circumference to be provided with the elasticity protecting band, satisfy the people of different head types and use, be provided with adjustment mechanism, can carry out the tuning to the earphone through the cavity quantity and the structure that change the earphone, satisfy user's professional demand, can play the effect of buffering to the support frame through being provided with the protection pad, gas permeability when wearing is increased through being provided with the bleeder vent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic axial view of a cavity adjustment structure of a headphone according to the present invention;

fig. 2 is a schematic sectional view of a cavity adjustment structure of a headphone according to the present invention;

fig. 3 is a partial cross-sectional schematic view of a cavity adjustment structure of a headphone according to the present invention.

In the figure: 100 earphone shell, 101 sound channel, 110 ear cover, 120 dust screen, 130 support frame, 131 protection pad, 140 elastic protection band, 141 air vent, 150 fixing buckle, 200 adjusting mechanism, 210 adjusting motor, 211 motor support, 212 screw rod, 213 limiting block, 214 adjusting block, 220 sound cavity I, 221 spring, 230 sound cavity II, 240 sound generating cover, 241 sound generating hole, 250 sound generating unit body and 260 controller.

Detailed Description

In the embodiments of the present invention, the terms "first", "second", and the like are used for distinguishing different elements by name, but do not denote a spatial arrangement, a temporal order, or the like of the elements, and the elements should not be limited by the terms. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "including," "having," and the like, refer to the presence of stated features, elements, components, and do not preclude the presence or addition of one or more other features, elements, components, and elements.

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-3, the present invention provides the following technical solutions: a cavity adjusting structure of a headset comprises a headset shell 100, wherein a plurality of sound channels 101 are arranged on the headset shell 100 in a penetrating manner, an earmuff 110 is fixedly arranged on one side of the headset shell 100, a dustproof net 120 is arranged on one side of the earmuff 110, a supporting frame 130 is arranged at the top of the headset shell 100 in a rotating manner, an elastic protecting band 140 is fixedly arranged on one side of the supporting frame 130, fixing buckles 150 are sleeved on two sides, far away from the elastic protecting band 140, of the elastic protecting band 140, an adjusting mechanism 200 is arranged in the headset shell 100, an adjusting motor 210 is arranged on the adjusting mechanism 200, a lead screw 212 is fixedly arranged on one side of the adjusting motor 210, an adjusting block 214 is sleeved on the lead screw 212, a sound production unit body 250 is sleeved on the outer side of the adjusting block 214, a first sound cavity 220 is arranged in the sound production unit body 250, and a spring 221 is fixedly arranged on one side of the first sound cavity 220, a second sound cavity 230 is arranged on one side of the spring 221, the second sound cavity 230 is connected with the sound generating unit body 250 in a sliding mode, and a sound generating cover 240 is arranged on one side of the second sound cavity 230; can guarantee not running off of sound through being provided with dust screen 120, cooperation ear muff 110 can increase the comfort when wearing, is provided with elasticity protecting band 140 and can carries out its height of automatically regulated according to user's head circumference, satisfies the people of different head types and uses, is provided with adjustment mechanism 200, can come to tune the earphone through the cavity quantity and the structure that change the earphone, satisfies user's professional demand.

Specifically, a protection pad 131 is sleeved on the support frame 130; the supporting frame 130 can be cushioned by providing the protection pad 131.

Specifically, a plurality of air holes 141 are formed on the elastic protecting band 140; the ventilation holes 141 are provided to increase the air permeability when worn.

Specifically, a motor bracket 211 is sleeved on the adjusting motor 210, and the motor bracket 211 is fixedly connected with the earphone housing 100; the motor holder 211 is provided for fixing the adjustment motor 210 to the earphone housing 100.

Specifically, a limit block 213 is fixedly arranged on one side of the screw rod 212; the limiting block 213 is provided to limit the adjustment range of the cavity.

Specifically, a plurality of sounding holes 241 are arranged on the sounding cover 240; the sound emitting holes 241 are provided for emitting sounds of three frequency bands, i.e., high, medium and low, to the outside.

The working principle and the using process of the utility model are as follows: when the earphone is used, the ear muffs 110 on the earphone shell 100 are aligned with ears, the elastic protective band 140 can automatically adjust the height of the elastic protective band 140 according to the head circumference of a user, after the earphone is worn, the earphone is connected with audio equipment through wires, according to a designed program, the adjusting mechanism 200 in the earphone can be controlled by the controller 260 to adjust the audio, during adjustment, the adjusting motor 210 rotates to drive the screw rod 212 to rotate, the screw rod 212 rotates to drive the adjusting block 214 to move, the adjusting block 214 moves to drive the sound generating unit body 250 to move, the space on one side of the sound generating unit body 250 is changed, at the moment, the tone color and the sound field of the earphone can be adjusted, meanwhile, when the audio is played, the spring 221 on the first sound cavity 220 can vibrate and push the second sound cavity 230 to move, the first sound cavity 220 and the second sound cavity 230 change along with the spring, and the sound generating cover 240 is used for playing the sounds in three frequency bands of high, medium and low, the sound is transmitted to the ear of the person through the sound channel 101.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, improvement and the like made within the principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a structure is adjusted to headphone's cavity which characterized in that: the earphone comprises an earphone shell (100), wherein a plurality of sound channels (101) are arranged on the earphone shell (100) in a penetrating mode, an earmuff (110) is fixedly arranged on one side of the earphone shell (100), a dust screen (120) is arranged on one side of the earmuff (110), a supporting frame (130) is arranged at the top of the earphone shell (100) in a rotating mode, an elastic protecting band (140) is fixedly arranged on one side of the supporting frame (130), fixing buckles (150) are sleeved on two sides, far away from the elastic protecting band (140), an adjusting mechanism (200) is arranged inside the earphone shell (100), an adjusting motor (210) is arranged on the adjusting mechanism (200), a lead screw (212) is fixedly arranged on one side of the adjusting motor (210), an adjusting block (214) is sleeved on the lead screw (212), a sound production unit body (250) is sleeved on the outer side of the adjusting block (214), a sound cavity I (220) is arranged inside the sound production unit body (250), one side of the first sound cavity (220) is fixedly provided with a spring (221), one side of the spring (221) is provided with a second sound cavity (230), the second sound cavity (230) is in sliding connection with the sound generating unit body (250), and one side of the second sound cavity (230) is provided with a sound generating cover (240).

2. The cavity adjusting structure of a headphone as claimed in claim 1, wherein: a protection pad (131) is sleeved on the supporting frame (130).

3. The cavity adjusting structure of a headphone as claimed in claim 1, wherein: the elastic protecting band (140) is provided with a plurality of air holes (141).

4. The cavity adjusting structure of a headphone as claimed in claim 1, wherein: the adjusting motor (210) is sleeved with a motor support (211), and the motor support (211) is fixedly connected with the earphone shell (100).

5. The cavity adjusting structure of a headphone as claimed in claim 1, wherein: and a limiting block (213) is fixedly arranged on one side of the screw rod (212).

6. The cavity adjusting structure of a headphone as claimed in claim 1, wherein: the sounding cover (240) is provided with a plurality of sounding holes (241).