Tuning structure for earphone

Abstract

The utility model discloses a tuning structure for an earphone, which belongs to the field of earphone tuning, and comprises an earphone shell, a front tuning hole is arranged on one side surface of the earphone shell close to an ear, a tuning mechanism is arranged in the earphone shell, and the tuning mechanism comprises a knob rotationally connected with the earphone shell through a bearing. A turntable is fixed at one end, positioned in the earphone shell, of the knob, a tuning plug is mounted on the outer surface of the turntable, and a limiting mechanism for preventing the knob from rotating autonomously is arranged on the earphone shell. Through the arrangement of the limiting mechanism, the effect of effectively preventing the knob from autonomously rotating due to external force after adjustment is achieved, after the knob is adjusted in place, the second arc-shaped block on the fixing disc can be clamped into the arc-shaped groove of the first arc-shaped block, and the second arc-shaped block and the first arc-shaped block are tightly matched under the pressure of the spring acting on the first arc-shaped block through the extrusion rod; therefore, the knob is kept at the adjusted position, the automatic starting of the tuning structure is avoided, and the stability and reliability of the tuning effect are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone tuning technical field especially earphone tuning structure. BACKGROUND

[0002] With the development of audio technology and the continuous improvement of people's pursuit of music quality, earphone as an important audio playback device, its sound quality performance is paid close attention to, at present, earphone usually installs tuning structure, tunes to different music mode according to user's preference.

[0003] As in the patent number CN202122443197.4 of China, a kind of earphone tuning structure is provided, can effectively dustproof, waterproof, prevent electricity, increase the service life of tuning net, realize tuning by utilizing different material, structure tuning plug, reduce noise, knob control tuning plug conversion, it is convenient and fast.

[0004] But this type of tuning structure when using, after rotating adjustment, it is inconvenient to limit the knob, leading to the rotation of the knob under the action of external force, make tuning structure autonomous start, affect use effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving prior art in the art, after rotating adjustment, it is inconvenient to limit the knob, leading to the rotation of the knob under the action of external force, make tuning structure autonomous start, affect use effect problem, and presents a kind of earphone tuning structure.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of earphone tuning structure, including earphone shell, the side surface of earphone shell close to human ear is equipped with front tuning hole, the tuning mechanism is arranged in earphone shell, tuning mechanism includes the knob that is rotatably connected with earphone shell by bearing, the one end of the knob in earphone shell is fixed with carousel, the outer surface of carousel is installed with tuning plug, the earphone shell is equipped with the limiting mechanism that prevents the autonomous rotation of knob, limiting mechanism includes the installation shell of being fixed on the outer surface of earphone shell, the outer surface of the knob is fixed with fixed disc, the outer surface circumferential array of fixed disc has arc block two, the inner wall of installation shell is connected with arc block one by elastic member, the arc block one is equipped with arc slot, arc block two is clamped in arc slot.

[0008] Preferably, the elastic member includes a piston cylinder fixed to the inner wall of the mounting shell, a pressing rod is slidably arranged in the piston cylinder, the bottom end of the pressing rod is fixedly connected with the arc block one, a spring is sleeved on the outer surface of the pressing rod, and the two ends of the spring are fixedly connected with the piston cylinder and the arc block one respectively.

[0009] Preferably, an auxiliary mechanism is further arranged on the earphone shell, the auxiliary mechanism comprising a piston disc fixed to the extruding rod away from the arc-shaped block one, the piston disc sliding in a piston cylinder, and an outer surface of the piston cylinder being communicated with a hose.

[0010] Preferably, an air bag is fixed to an inner wall of the mounting shell, and an end of the hose away from the piston cylinder is communicated with the air bag.

[0011] Preferably, a sound output mechanism is further arranged in the earphone shell, the sound output mechanism comprising a diaphragm fixed to the earphone shell, and a mounting plate is further fixed to the earphone shell.

[0012] Preferably, a sound adjusting cloth is mounted on the mounting plate, an extension pipe is further communicated with the mounting plate, and a rear sound adjusting hole is further formed in the earphone shell.

[0013] Compared with the prior art, the earphone sound adjusting structure has the following beneficial effects:

[0014] 1. The limiting mechanism is arranged, which effectively prevents the knob from rotating autonomously due to external force after adjustment, the arc-shaped block two on the fixing disc is clamped into the arc-shaped groove of the arc-shaped block one under the pressure of the spring acting on the arc-shaped block one through the extruding rod, the two are tightly matched, the knob is ensured to be kept at the adjusted position, the sound adjusting structure is prevented from being started autonomously, the stability and reliability of the sound adjusting effect are ensured, and the use experience of the user is improved.

[0015] 2. The auxiliary mechanism is arranged, which enhances the stability of the limiting mechanism, when the knob is rotated to extrude the arc-shaped block one, the piston disc on the extruding rod slides in the piston cylinder, the gas in the piston cylinder enters the air bag through the hose, the air bag is inflated to increase the friction between the air bag and the knob, so that the limiting state of the limiting mechanism on the knob is better maintained, and the stable operation of the sound adjusting structure is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the earphone sound adjusting structure is provided for the utility model;

[0017] Figure 2 An earphone shell internal structure sectional side view schematic view of the earphone sound adjusting structure is provided for the utility model;

[0018] Figure 3 An auxiliary mechanism of the earphone sound adjusting structure is provided for the utility model; Figure 2 An enlarged schematic view of structure A is provided for the utility model;

[0019] Figure 4 A mounting shell internal structure schematic view of the earphone sound adjusting structure is provided for the utility model;

[0020] Figure 5 The utility model provides an earphone tuning structure Figure 4 The structure of B is enlarged and shown schematically.

[0021] In the figure: 1, earphone shell; 11, front tuning hole; 12, diaphragm; 13, mounting plate; 14, tuning cloth; 15, extension pipe; 16, rear tuning hole; 17, tuning plug; 18, turntable; 19, knob; 21, mounting shell; 22, fixed disc; 23, piston cylinder; 24, extrusion rod; 25, arc block one; 26, spring; 27, arc slot; 28, arc block two; 31, air bag; 32, piston disc; 33, hose. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment one

[0024] With reference to Figures 1-5 An earphone tuning structure, comprising an earphone shell 1, a front tuning hole 11 is formed in the side surface of the earphone shell 1 close to the ear, a tuning mechanism is arranged in the earphone shell 1, the tuning mechanism comprises a knob 19 rotatably connected with the earphone shell 1 through a bearing, one end of the knob 19 in the earphone shell 1 is fixed with a turntable 18, the outer surface of the turntable 18 is provided with a tuning plug 17, a limiting mechanism for preventing the knob 19 from rotating autonomously is arranged on the earphone shell 1, the limiting mechanism comprises a mounting shell 21 fixed on the outer surface of the earphone shell 1, the outer surface of the knob 19 is fixed with a fixed disc 22, the outer surface of the fixed disc 22 is circumferentially provided with arc block two 28, the inner wall of the mounting shell 21 is connected with arc block one 25 through an elastic member, the arc block one 25 is provided with an arc slot 27, and the arc block two 28 is clamped in the arc slot 27.

[0025] Further, the elastic member comprises a piston cylinder 23 fixed on the inner wall of the mounting shell 21, an extrusion rod 24 is slidably arranged in the piston cylinder 23, the bottom end of the extrusion rod 24 is fixedly connected with the arc block one 25, the outer surface of the extrusion rod 24 is sleeved with a spring 26, and the two ends of the spring 26 are fixedly connected with the piston cylinder 23 and the arc block one 25 respectively.

[0026] Further, an sound output mechanism is further arranged in the earphone shell 1, the sound output mechanism comprises a diaphragm 12 fixed in the earphone shell 1, and a mounting plate 13 is further fixed in the earphone shell 1.

[0027] Further, the installation plate 13 is installed with a tuning cloth 14, and the installation plate 13 is also communicated with an extension tube 15, and the earphone shell 1 is also provided with a rear tuning hole 16.

[0028] When the user wants to adjust the low-frequency effect of the earphone, the user rotates the knob 19, the knob 19 is smoothly rotated in the earphone shell 1 through the bearing, the rotating disc 18 fixed at one end in the earphone shell 1 is rotated with the knob 19, and the tuning plug 17 fixed on the outer surface of the rotating disc 18 is also rotated synchronously. When the user rotates the tuning plug 17 to the ideal position and stops rotating the knob 19, the circumferential array of the arc-shaped block two 28 on the fixed disc 22 fixed on the outer surface of the knob 19 will be accurately clamped into the arc-shaped slot 27 on the arc-shaped block one 25 under the pressure of the spring 26 acting on the arc-shaped block one 25 through the extrusion rod 24. At this time, the limiting mechanism begins to play a role, ensuring that the knob 19 will not rotate automatically due to external force, such as the user accidentally touching the earphone in daily use.

[0029] In the whole process, the sound output mechanism works synchronously, and the sound generated by the earphone sound generating unit is first transmitted to the diaphragm 12. The diaphragm 12 vibrates under the action of the sound wave, and then pushes the surrounding air to vibrate. The vibrating air is transmitted outward through the front tuning hole 11. In the transmission process, the tuning cloth 14 installed on the installation plate 13 is used to preliminarily filter and adjust the sound, remove part of the noise and optimize the tone. Subsequently, the sound enters the extension tube 15, the extension tube 15 guides the sound propagation path, so that the sound is more concentratedly transmitted to the front tuning hole 11, and finally transmitted from the front tuning hole 11 into the user's ear, bringing the user a unique sound quality experience after the adjustment of the tuning plug 17.

[0030] Based on the first embodiment, the second embodiment is proposed:

[0031] Referring to Figures 1-5 ,

[0032] Further, the earphone shell 1 is also provided with an auxiliary mechanism, the auxiliary mechanism includes a piston disc 32 fixed to the extrusion rod 24 away from the arc-shaped block one 25, and the piston disc 32 slides in the piston cylinder 23, and the outer surface of the piston cylinder 23 is communicated with a soft tube 33.

[0033] Further, the inner wall of the installation shell 21 is fixed with an air bag 31, and one end of the soft tube 33 away from the piston cylinder 23 is communicated with the air bag 31.

[0034] When the knob 19 is subjected to external force, it has a tendency to rotate, and drives the fixed disc 22 to press the arc-shaped block 25, the piston disc 32 on the pressing rod 24 slides in the piston cylinder 23, the gas in the piston cylinder 23 is pushed by the piston disc 32 to enter the air bag 31 fixed on the inner wall of the installation shell 21 through the hose 33, the air bag 31 gradually expands, the contact area of the expanded air bag 31 with the outer surface of the knob 19 increases and the pressure increases, thereby increasing the friction between the knob 19, the increased friction and the clamping cooperation between the arc-shaped block 25 and the arc-shaped block 28 in the limiting mechanism jointly act, effectively prevent the knob 19 from rotating due to external force impact, further guarantee the stable operation of the tuning structure, ensure that the user can still enjoy the adjusted sound quality in the noisy and crowded environment, and the tuning effect is not affected by external interference.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A tuning structure for headphones, comprising a headphone shell (1), characterized in that, The earphone shell (1) has a front tuning hole (11) on the side near the ear. The earphone shell (1) is equipped with a tuning mechanism, which includes a knob (19) that is rotatably connected to the earphone shell (1) via a bearing. A turntable (18) is fixed to one end of the knob (19) inside the earphone shell (1). A tuning plug (17) is installed on the outer surface of the turntable (18). The earphone shell (1) is provided with a mechanism to prevent the knob (19) from rotating on its own. The limiting mechanism includes a mounting shell (21) fixed to the outer surface of the earphone shell (1), a fixing plate (22) fixed to the outer surface of the knob (19), and an arc-shaped block two (28) arranged in a circular array on the outer surface of the fixing plate (22). An arc-shaped block one (25) is connected to the inner wall of the mounting shell (21) through an elastic element. An arc-shaped groove (27) is opened on the arc-shaped block one (25), and the arc-shaped block two (28) is engaged in the arc-shaped groove (27).

2. The tuning structure for headphones according to claim 1, characterized in that, The elastic element includes a piston cylinder (23) fixed to the inner wall of the mounting shell (21), a pressing rod (24) sliding inside the piston cylinder (23), the bottom end of the pressing rod (24) being fixedly connected to the arc-shaped block (25), and a spring (26) sleeved on the outer surface of the pressing rod (24), the two ends of the spring (26) being fixedly connected to the piston cylinder (23) and the arc-shaped block (25) respectively.

3. The tuning structure for headphones according to claim 2, characterized in that, An auxiliary mechanism is also provided on the earphone shell (1). The auxiliary mechanism includes a piston disc (32) fixed to the compression rod (24) away from the arc block (25). The piston disc (32) slides inside the piston cylinder (23). The outer surface of the piston cylinder (23) is connected to a flexible tube (33).

4. The tuning structure for headphones according to claim 3, characterized in that, An airbag (31) is fixed to the inner wall of the mounting housing (21), and the end of the hose (33) away from the piston cylinder (23) is connected to the airbag (31).

5. The tuning structure for headphones according to claim 1, characterized in that, The earphone shell (1) is also provided with a sound output mechanism, which includes a diaphragm (12) fixed inside the earphone shell (1). The earphone shell (1) is also fixed with a mounting plate (13).

6. The tuning structure for headphones according to claim 5, characterized in that, A tuning cloth (14) is installed on the mounting plate (13), and an extension tube (15) is also connected to the mounting plate (13). A rear tuning hole (16) is also provided on the earphone shell (1).

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