Earphone with protection structure

By incorporating an airbag and a knob adjustment mechanism at the earphone inlet, the problem of earphone discomfort and easy slippage caused by differences in ear canal shape has been solved, achieving adaptive fit and protection, and improving the user experience and durability of the earphones.

CN223859238UActive Publication Date: 2026-01-30DONGGUAN UIISII ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520665916.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-01-30
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Traditional in-ear headphones suffer from discomfort and are prone to falling out due to differences in ear canal shape.

Method used

The earphone is equipped with a first and second airbag at the ear inlet. The airbags expand and contract through a knob and worm gear mechanism. Combined with an anti-slip coating and protective structure, it enhances the fit and friction with the ear canal.

Benefits of technology

It enables the earphones to adaptively adjust to the shape of the ear canal, reducing the risk of falling out, improving wearing comfort and noise cancellation, and protecting the earphone charging port and audio source port.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223859238U_ABST
    Figure CN223859238U_ABST
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Abstract

The utility model relates to a protective device, in particular to an earphone with a protective structure. Comprising earphones, an inflation box body, a first air bag, a first connecting pipe, a knob, a first piston block, a worm, a worm gear, a screw rod and the like. A first air bag is arranged at an ear inlet of the earphone, the first air bag is connected with a first connecting pipe, an inflation box body is arranged on one side of the earphone, a knob is arranged on the inflation box body, the knob rotationally penetrates through the inflation box body, a worm is arranged on the knob, a screw is rotationally connected into the inflation box body, a worm gear is connected to the middle of the screw, and the worm is meshed with the worm gear. And the first piston block is slidably arranged on the lower side of the inflation box body. Through the arrangement of the first air bag and the adjusting mechanism, the earphone can be adaptively adjusted according to the shape and the size of the ear canal of a user, and the earphone is effectively prevented from falling off in the use process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a protective device especially earphone with protective structure. BACKGROUND

[0002] Earphone has appeared as early as in the nineteenth century, but at that time, it was mainly used for telephone communication, and its form was bulky, which was quite different from the earphone nowadays. With the rapid development of electronic technology, earphone has undergone great changes from analog to digital and from wired to wireless. Earphones with various sound production principles such as moving coil, electrostatic and moving iron have emerged in succession, providing users with more choices. Earphone is no longer limited to personal music appreciation, but is widely used in communication, education, entertainment, sports and other fields.

[0003] In recent years, in order to meet the needs of users for wearing comfort, noise reduction effect, protection performance and other aspects, earphone design has been continuously innovated. Traditional in-ear earphones rely on the physical friction of earplugs with ear canal for fixation. However, the shape of ear canal varies from person to person, and ordinary silica gel earplugs are difficult to adapt to different ear types. During intense exercise, they are prone to slip due to sweat or movement. SUMMARY

[0004] In order to overcome the shortcomings that earphone is easy to fall off and uncomfortable to wear in daily use, the utility model provides earphone with protective structure.

[0005] The technical scheme is: an earphone with a protective structure, comprising an earphone, an air tank, a first air bag, a first connecting pipe, a knob, a first piston block, a worm, a worm wheel and a screw rod, a first air bag is arranged at the earphone entry port, the first air bag is connected with the first connecting pipe, an air tank is arranged on one side of the earphone, a knob is arranged on the air tank, the knob penetrates the air tank in a rotating manner, a worm is arranged on the knob, a screw rod is rotatably connected in the air tank, a worm wheel is connected to the middle part of the screw rod, the worm is engaged with the worm wheel, a first piston block is slidably arranged on the lower side of the air tank, a threaded hole is formed in the first piston block, the first piston block is threadedly connected with the screw rod through the threaded hole, and the first air bag is in communication with the space between the first piston block and the air tank through the first connecting pipe.

[0006] Further, it further comprises a second air bag, a second connecting pipe and a second piston block, a second air bag is arranged at the earphone sound source playing port, a second piston block is arranged at the other end of the screw rod, a threaded hole is formed in the second piston block, the second piston block is threadedly connected with the screw rod through the threaded hole, and the second air bag is in communication with the space between the second piston block and the air tank through the second connecting pipe.

[0007] Further, an anti-slip coating is arranged on the surface of the first air bag and the second air bag.

[0008] Further, the first baffle, the second baffle, the first spring and the second spring are further included, a plurality of first springs are arranged on the first piston block, the first spring is connected with the first baffle, the first baffle and the inflation box form the first air cavity, the first air cavity in the inflation box is communicated with the first air bag through the first connecting pipe; the second spring is connected with the second baffle, the second baffle and the inflation box form the second air cavity, the second air cavity in the inflation box is communicated with the second air bag through the second connecting pipe.

[0009] Further, the protective shell is arranged around the earphone charging port, and the protective shell is made of a drop-resistant material.

[0010] Further, the limiting bin, the limiting block, the magnet block and the iron sheet are further included, the limiting bin is connected to the bottom of the earphone, the protective shell is rotatably connected to the outside of the limiting bin, the limiting block is arranged at the top of the protective shell, the limiting groove matched with the limiting block is arranged on the limiting bin, the magnet block is connected to one end of the limiting block, and the iron sheet is uniformly distributed in the limiting groove and has the same number as the magnet block.

[0011] Further, the sliding block, the charging bin pipeline and the bottom plate are further included, the sliding block is arranged on the protective shell, the spiral sliding groove matched with the sliding block is arranged on the inner wall of the charging bin pipeline, the bottom plate is arranged at the bottom of the protective shell, the first communication hole is arranged at the bottom of the limiting bin, the second communication hole is arranged at the bottom of the protective shell, and the first communication hole and the second communication hole can rotate on the same axis.

[0012] Further, the protective pad is further included, and the protective pad is detachably arranged at the earphone sound source playing port.

[0013] The earphone has the advantages that: the first air bag and the adjusting mechanism are arranged, the earphone can be self-adaptively adjusted according to the shape and size of the ear canal of a user, and the earphone is effectively prevented from falling off in the use process; the soft material and the inflation adjusting function of the first air bag enable the earphone to better fit the ear canal of the user, and reduce the discomfort caused by long-time wearing. DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the earphone.

[0015] Figure 2 It is a structure schematic view of the inflation box and the first air bag and the second air bag.

[0016] Figure 3 It is a structure schematic view of the inside of the inflation box.

[0017] Figure 4 It is a structure schematic view of the first piston block and the second piston block.

[0018] Figure 5 It is a structure schematic view of the protective shell of the utility model.

[0019] Figure 6 It is a structure schematic view of the protective shell and the limiting bin of the utility model.

[0020] Figure 7 It is a sectional view of the limiting bin of the utility model.

[0021] Figure 8 It is a structure schematic view of the bottom surface of the protective shell of the utility model.

[0022] Figure 9 It is a structure schematic view of the charging bin pipeline and the protective shell of the utility model.

[0023] In the figure, the names and serial numbers of parts are: 1_earphone, 2_protective shell, 3_inflatable box body, 4_first air bag, 5_second air bag, 6_first connecting pipe, 7_second connecting pipe, 8_knob, 9_first baffle, 10_first piston block, 11_second piston block, 12_second baffle, 13_first spring, 14_second spring, 15_worm, 16_worm wheel, 17_screw, 18_sliding block, 19_bottom plate, 20_limiting bin, 21_limiting block, 22_magnet block, 23_iron sheet, 24_limiting groove, 25_first communication hole, 26_second communication hole, 27_charging bin pipeline, 28_spiral chute, 29_protection gasket. DETAILED DESCRIPTION

[0024] The utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the utility model are shown. This utility model may, however, be carried out in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and fully convey the scope of the utility model to the skilled person.

[0025] An earphone with a protective structure, such as Figures 1-4As shown, including earphone 1, inflatable box 3, the first air bag 4, the first connecting pipe 6, knob 8, the first piston block 10, worm 15, worm wheel 16 and screw rod 17, the first air bag 4 is arranged at the earphone 1 into the ear opening, the first air bag 4 is connected with the first connecting pipe 6, one side of the earphone 1 is provided with the inflatable box 3, the inflatable box 3 is provided with the knob 8, the knob 8 is rotatably through the inflatable box 3, the knob 8 is provided with the worm 15, the inflatable box 3 is rotatably connected with the screw rod 17, the screw rod 17 is connected with the worm wheel 16 in the middle, the worm 15 is engaged with the worm wheel 16, the first piston block 10 is slidably arranged on the lower side of the inflatable box 3, the first piston block 10 is provided with a threaded hole, the first piston block 10 is threadedly connected with the screw rod 17 through the threaded hole, the first air bag 4 is communicated with the space between the first piston block 10 and the inflatable box 3 through the first connecting pipe 6.

[0026] When the user wears the earphone 1, the earphone 1 is brought into the ear, and after wearing, the knob 8 is rotated, the knob 8 drives the worm 15 to rotate, the worm 15 transmits the rotation to the screw rod 17, the screw rod 17 moves the first piston block 10 when rotating, the first piston block 10 moves downward to extrude the gas in the inflatable box 3, the gas is transported into the first air bag 4 through the first connecting pipe, the first air bag 4 expands and increases the contact area with the external auditory canal, the first air bag 4 increases the friction by increasing the pressure with the external auditory canal through expansion, which can effectively prevent the earphone 1 from separating from the ear canal.

[0027] As shown in Figure 3 and Figure 4 Still including second air bag 5, second connecting pipe 7 and second piston block 11, the second air bag 5 is arranged at the earphone 1 playing sound source opening, the other end of the screw rod 17 is provided with the second piston block 11, the second piston block 11 is provided with a threaded hole, the second piston block 11 is threadedly connected with the screw rod 17 through the threaded hole, the second air bag 5 is communicated with the space between the second piston block 11 and the inflatable box 3 through the second connecting pipe 7.

[0028] When the knob 8 is rotated after wearing, the screw rod 17 is rotated by the cooperation of the worm wheel 16 and the worm 15, the screw rod 17 drives the second piston block 11, the second piston block 11 moves downward to extract the gas in the second air bag 5, the gas is transported into the inflatable box 3 through the second connecting pipe, the second air bag 5 shrinks in the deeper part of the ear canal, which facilitates the user to better wear the earphone 1 into the ear canal, and the earphone 1 is worn in a more comfortable state by continuously rotating the knob 8.

[0029] As shown in Figure 1 The first air bag 4 and the second air bag 5 are provided with anti-skid coating on the surface. The surface of the first air bag 4 and the second air bag 5 is coated with anti-skid coating, which can effectively increase the friction between the earphone 1 and the ear canal, reduce the probability of falling of the earphone 1, and at the same time, the first air bag 4 and the second air bag 5 are filled with gas, which plays a certain sound insulation effect and improves the noise reduction capability of the earphone 1.

[0030] As shown in Figure 4 Further comprising a first baffle 9, a second baffle 12, a first spring 13 and a second spring 14, the first piston block 10 is provided with a plurality of first springs 13, the first spring 13 is connected with the first baffle 9, the first baffle 9 and the air tank 3 form a first air cavity, and the first air cavity in the air tank 3 is communicated with the first air bag 4 through the first connecting pipe 6; the second spring 14 is connected with the second baffle 12, the second baffle 12 and the air tank 3 form a second air cavity, and the second air cavity in the air tank 3 is communicated with the second air bag 5 through the second connecting pipe 7.

[0031] When the user wears the earphone 1 and moves, it may cause the gas in the first air bag 4 and the second air bag 5 to surge back. When the gas in the first air bag 4 and the second air bag 5 surges back into the first air cavity and the second air cavity, the first spring 13 and the first baffle 9 are arranged between the first air cavity and the first piston block 10, and the second spring 14 and the second baffle 12 are arranged between the second air cavity and the second piston block 11. The elasticity of the first spring 13 and the second spring 14 can slow down the pressure of the gas surge back, reduce the size of the first air bag 4 and the second air bag 5, and reduce the probability of the earphone 1 being separated from the ear canal during movement.

[0032] As shown in Figure 5 Further comprising a protective shell 2, the protective shell 2 is arranged around the charging port of the earphone 1, and the protective shell 2 is made of a material resistant to falling. The protective shell 2 arranged at the charging port of the earphone 1 is made of a material resistant to falling, which can reduce the possibility of the charging port being damaged when the earphone 1 falls, and improve the service life of the earphone 1.

[0033] As shown in Figure 6 and Figure 7As shown, it also includes a limiting bin 20, a limiting block 21, a magnet block 22 and an iron sheet 23, the earphone 1 bottom is connected with the limiting bin 20, the protective shell 2 is rotatably connected outside the limiting bin 20, the protective shell 2 top is provided with the limiting block 21, the limiting bin 20 is provided with a limiting slot 24 matched with the limiting block 21, one end of the limiting block 21 is connected with the magnet block 22, the limiting slot 24 is uniformly distributed with the same number of iron sheets 23 as the magnet block 22.

[0034] The earphone 1 charging port is connected with the limiting bin 20, the limiting bin 20 is provided with the protective shell 2, through the double protection of the limiting bin 20 and the protective shell 2, the probability of the earphone 1 charging port damage is reduced, at the same time, the limiting bin 20 and the protective shell 2 are connected through the limiting block 21, the magnet block 22 on the limiting block 21 and the iron sheet 23 in the limiting slot 24 are attracted to each other, the relative fixation of the limiting bin 20 and the protective shell 2 is completed, the earphone 1 may be disconnected when falling, thereby reducing the force transmission and further protecting the earphone 1.

[0035] As shown in Figure 8 And Figure 9 It also includes a sliding block 18, a charging bin pipeline 27 and a bottom plate 19, the protective shell 2 is provided with the sliding block 18, the inner wall of the charging bin pipeline 27 is provided with a spiral sliding groove 28 matched with the sliding block 18, the bottom of the protective shell 2 is provided with the bottom plate 19, the bottom of the limiting bin 20 is provided with a first communication hole 25, the bottom of the protective shell 2 is provided with a second communication hole 26, the first communication hole 25 and the second communication hole 26 can rotate on the same axis.

[0036] When the earphone 1 is retracted into the charging bin for charging, the protective shell 2 provided at the earphone 1 charging port is placed downward into the charging bin pipeline 27, the sliding block 18 on the protective shell 2 will move downward along the spiral sliding groove 28, the sliding block 18 drives the protective shell 2 to rotate, the protective shell 2 drives the bottom plate 19 to rotate, the magnet block 22 on the limiting block 21 is separated from the iron sheet 23, when the magnet block 22 and the iron sheet 23 are out of the range of attraction, the protective shell 2 falls quickly along the spiral sliding groove 28, when the protective shell 2 moves to the bottom of the charging bin pipeline 27, the second communication hole 26 on the bottom plate 19 just communicates with the first communication hole 25, exposing the charging port at the bottom of the earphone 1, realizing the charging of the earphone 1.

[0037] As shown in Figure 1As shown, the earphone 1 further comprises a protective gasket 29, which is detachably arranged at the sound playing port of the earphone 1. The protective gasket 29 arranged at the sound playing port can prevent cerumen from entering the earphone 1, and the protective gasket 29 can be removed and cleaned to keep the earphone 1 clean and tidy.

[0038] The technical principles of the embodiments of the utility model are described above in combination with specific examples. These descriptions are only for explaining the principles of the embodiments of the utility model, and cannot be interpreted as limiting the protection scope of the embodiments of the utility model in any way. Based on the explanations herein, other specific embodiments of the embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the embodiments of the utility model.

Claims

1. An earphone with a protective structure, comprising an earphone (1), characterized in that, It also includes the inflatable box (3), the first air bag (4), the first connecting pipe (6), the knob (8), the first piston block (10), the worm (15), the worm wheel (16) and the screw rod (17), the first air bag (4) is provided at the earphone (1) ear entrance, the first air bag (4) is connected with the first connecting pipe (6), one side of the earphone (1) is provided with the inflatable box (3), the knob (8) is arranged on the inflatable box (3), the worm (15) is arranged on the knob (8), the screw rod (17) is rotatably connected in the inflatable box (3), the worm wheel (16) is connected to the middle part of the screw rod (17), the worm (15) is engaged with the worm wheel (16), the first piston block (10) is slidably arranged on the lower side of the inflatable box (3), the first piston block (10) is threadedly connected with the screw rod (17), the first air bag (4) is communicated with the space between the first piston block (10) and the inflatable box (3) through the first connecting pipe (6).

2. The earphone with a protective structure according to claim 1, wherein, It also includes the second air bag (5), the second connecting pipe (7) and the second piston block (11), the second air bag (5) is provided at the earphone (1) playing sound source mouth, the other end of the screw rod (17) is provided with the second piston block (11), the second piston block (11) is threadedly connected with the screw rod (17), the second air bag (5) is communicated with the space between the second piston block (11) and the inflatable box (3) through the second connecting pipe (7).

3. The earphone with a protective structure according to claim 2, characterized in that, The first air bag (4) and the second air bag (5) are provided with anti-skid coating on the surface.

4. The earphone with a protective structure according to claim 3, characterized in that, It also includes the first baffle (9), the second baffle (12), the first spring (13) and the second spring (14), a plurality of first springs (13) are arranged on the first piston block (10), the first spring (13) is connected with the first baffle (9), the first baffle (9) and the inflatable box (3) form the first air cavity, the first air cavity in the inflatable box (3) is communicated with the first air bag (4) through the first connecting pipe (6); the second spring (14) is connected with the second baffle (12), the second baffle (12) and the inflatable box (3) form the second air cavity, the second air cavity in the inflatable box (3) is communicated with the second air bag (5) through the second connecting pipe (7).

5. The earphone with a protective structure according to claim 4, characterized in that, It also includes the protective shell (2), the protective shell (2) is arranged around the charging port of the earphone (1), and the protective shell (2) is composed of a drop-resistant material.

6. The earphone with a protective structure according to claim 5, characterized in that, It also includes the limiting bin (20), the limiting block (21), the magnet block (22) and the iron sheet (23), the limiting bin (20) is connected to the bottom of the earphone (1), the protective shell (2) is connected outside the limiting bin (20), the limiting block (21) is arranged on the top of the protective shell (2), the limiting groove (24) matched with the limiting block (21) is arranged on the limiting bin (20), one end of the limiting block (21) is connected with the magnet block (22), and the same number of iron sheets (23) as the magnet block (22) are uniformly distributed in the limiting groove (24).

7. The earphone with a protective structure according to claim 6, characterized in that, It further comprises a sliding block (18), a charging compartment pipeline (27) and a bottom plate (19), the sliding block (18) is arranged on the protective shell (2), a spiral chute (28) matched with the sliding block (18) is arranged on the inner wall of the charging compartment pipeline (27), the bottom of the protective shell (2) is provided with the bottom plate (19), the bottom of the limiting compartment (20) is provided with a first communication hole (25), the bottom of the protective shell (2) is provided with a second communication hole (26), and the first communication hole (25) and the second communication hole (26) can rotate on the same axis.

8. The earphone with a protective structure according to claim 7, characterized in that, It further comprises a protective gasket (29), and the protective gasket (29) is detachably arranged at a sound source playing port of the earphone (1).