A stepless adjustment earplug

Abstract

The utility model belongs to the field of earplugs, and particularly relates to a stepless adjustable earplug, which includes: a shell, a noise reduction channel and a sound outlet channel are arranged in the shell, and a first connection port connected to the noise reduction channel is formed at one end of the sound outlet channel; an earplug part is arranged on the shell, and a sound outlet is formed at the other end of the sound outlet channel through the earplug part; an adjustment component, the adjustment component is movably arranged on the shell, and a sound inlet channel is arranged on the adjustment component, one end of the sound inlet channel passes through one side of the adjustment component to form a sound inlet, and the other end of the sound inlet channel passes through the other side of the adjustment component to form a second connection port, the second connection port is connected to the noise reduction channel, and a noise reduction path is formed from the second connection port to the noise reduction channel and then to the first connection port, and the movable adjustment component is used to control the path length of the noise reduction path. In the utility model, the noise reduction amount can be steplessly adjusted, which can better meet the diverse noise reduction needs of users.

Description

Technical Field

[0001] The utility model belongs to the field of earplugs, and particularly relates to a stepless adjustment earplug. Background Art

[0002] As users have increasingly higher requirements for hearing protection during sleep and in various scenarios in recent years, earplug products have received more and more attention. However, most existing earplugs cannot adjust the amount of noise reduction, making them unable to meet user needs.

[0003] In order to solve the above problems, the prior art discloses an adjustable sound insulation and noise reduction earplug (application number is CN202223117638.2), including a frame and a knob, a mounting space is provided in the middle of the frame, the knob is in the mounting space, the knob is rotatably connected to the frame, an in-ear end is provided on the outer side of the frame, an ear cap is provided on the in-ear end, a first sound guide groove is provided in the in-ear end, two ends of the first sound guide groove respectively penetrate the in-ear end and the inner side of the frame, a second sound guide groove and a third sound guide groove are provided on the knob, the size of the third sound guide groove is larger than the size of the second sound guide groove, and the first sound guide groove is selectively connected to the second sound guide groove or the third sound guide groove. The adjustable sound insulation and noise reduction earplug connects different sound guide grooves by rotating the knob in the middle, and different degrees of noise reduction can be performed according to different sound guide grooves, or the sound guide groove can be closed to perform complete noise reduction. However, when the noise reduction earplug is adjusted, there are only three levels of noise reduction adjustment, and the noise reduction amount of the three levels is fixed. However, each user's sensitivity to noise is not exactly the same, and the noise reduction requirements that need to be met in each scene are also different. This makes it that this type of noise reduction earplug cannot well meet the diverse noise reduction needs of users. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a stepless adjustable earplug, which can steplessly adjust the noise reduction amount and better meet the user's diverse noise reduction needs.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows.

[0006] A stepless adjustment earplug, characterized in that the earplug comprises:

[0007] A shell, wherein a noise reduction channel and a sound output channel are arranged in the shell, and a first connection port connected to the noise reduction channel is formed at one end of the sound output channel; an earplug portion is arranged on the shell, and a sound output port is formed at the other end of the sound output channel through the earplug portion;

[0008] An adjustment component, wherein the adjustment component is movably arranged on the shell, and a sound input channel is arranged on the adjustment component, one end of the sound input channel passes through one side of the adjustment component to form a sound input port, and the other end of the sound input channel passes through the other side of the adjustment component to form a second connecting port, the second connecting port is connected to the noise reduction channel, and a noise reduction path is formed from the second connecting port to the noise reduction channel and then to the first connecting port, and the movable adjustment component is used to control the path length of the noise reduction path.

[0009] In the earplug, when external noise passes through the earplug, it enters from the sound inlet to the sound inlet channel, then enters the noise reduction channel through the second connection port, and enters the first connection port from the noise reduction channel, and finally passes through the sound outlet channel to be discharged from the sound outlet; in this process, the user can control the path length of the noise reduction path from the second connection port to the noise reduction channel and then to the first connection port through the adjustment component on the movable shell according to their own needs and the needs of the scene, so as to steplessly adjust the noise reduction amount, thereby better meeting the user's diverse noise reduction needs.

[0010] Furthermore, a blocking portion for blocking noise is fixedly provided in the noise reduction channel, the blocking portion corresponds to the second interface, and the blocking portion and the first interface correspond to the two ends of the noise reduction channel respectively. When the adjustment component on the movable shell is adjusted so that the second interface is aligned with the blocking portion, the sound inlet channel and the noise reduction channel are blocked, so that the noise is completely blocked; and when the adjustment component on the movable shell is adjusted so that the second interface is aligned with the first interface, the noise reduction amount is minimal; that is, the adjustment component on the movable shell makes the second interface align with the blocking portion at one end of the noise reduction channel and then aligns with the first interface at one end of the noise reduction channel, and the noise reduction amount in this process gradually decreases.

[0011] Furthermore, a sound absorbing sponge is arranged in the sound inlet channel, and the sound absorbing sponge is used to reduce the noise of the sound entering the sound inlet channel.

[0012] Furthermore, a flexible ear cap is sleeved on the earplug part. The flexible ear cap makes the earplug more comfortable to wear. The flexible ear cap can be made of flexible materials such as silicone material or rubber material.

[0013] Furthermore, the earplug part is provided with a first snap-in groove and a first snap-in protrusion in sequence from top to bottom, the flexible ear cap is provided with a disassembly hole that passes through both sides thereof, the disassembly hole is provided with a second snap-in protrusion and a second snap-in groove in sequence from top to bottom, the flexible ear cap is detachably sleeved on the earplug part through the disassembly hole, and the first snap-in protrusion is detachably snap-into the second snap-in groove, and the second snap-in protrusion is detachably snap-into the first snap-in groove. The cooperation of the first snap-in groove and the first snap-in protrusion of the earplug part with the second snap-in protrusion and the second snap-in groove of the flexible ear cap ensures the stability of the connection between the two while enabling the earplug part to be detachably connected to the flexible ear cap.

[0014] Furthermore, the adjustment component is rotatably disposed on the housing, and the noise reduction channel is in an arc shape or an annular shape. The noise reduction amount can be adjusted by rotating the adjustment component.

[0015] Furthermore, the shell is provided with a rotation hole penetrating through the upper and lower sides thereof, and the adjustment component can be rotatably arranged in the rotation hole.

[0016] Furthermore, a noise reduction groove is provided on the upper side of the shell, and the noise reduction groove is located outside the rotating hole. The sound inlet is located on the lower side of the adjusting component. A sealing portion is fixedly provided on the upper side of the adjusting component. The second connecting port is located on the lower side of the sealing portion. The sealing portion blocks the noise reduction groove. The second connecting port corresponds to the noise reduction groove, and the noise reduction channel is formed between the sealing portion and the noise reduction groove.

[0017] Furthermore, an arc-shaped guide is provided at the lower side of the sealing part, and the guide is movably arranged in the noise reduction groove. The setting of the guide guides the movement of the adjustment component when the adjustment component rotates to adjust the noise reduction amount, making its movement more stable.

[0018] Furthermore, the adjustment assembly includes an upper cover and a lower cover, the sealing portion is located on the upper cover, the sound inlet channel is arranged in the upper cover, and the sound inlet port is located on the lower cover; a lower cover groove corresponding to the lower cover is arranged on the lower side of the shell, the lower cover groove is connected with the rotating hole, the lower cover is movably arranged in the lower cover groove, the upper cover is movably arranged at the upper side of the shell, and the lower cover passes through the rotating hole to be fixed to the upper cover, and one end of the sound inlet channel in the upper cover is connected with the sound inlet port.

[0019] The beneficial effect of the utility model lies in that, in the earplug, when external noise passes through the earplug, it enters from the sound inlet to the sound inlet channel, then enters the noise reduction channel through the second connecting port, and enters the first connecting port from the noise reduction channel, and finally passes through the sound outlet channel to be discharged from the sound outlet; in this process, the user can control the path length of the noise reduction path from the second connecting port to the noise reduction channel and then to the first connecting port through the adjustment component on the movable shell according to his own needs and the needs of the scene, so as to steplessly adjust the noise reduction amount, thereby better meeting the diverse noise reduction needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of the utility model from a first viewing angle.

[0021] Figure 2 A schematic structural diagram of the utility model from a second viewing angle.

[0022] Figure 3 A cross-sectional view of the utility model when exploded.

[0023] Figure 4 It is a schematic diagram of the structure of the shell.

[0024] Figure 5 This is an exploded view of the shell.

[0025] Figure 6 It is a schematic diagram of the structure of the regulating component.

[0026] Description of labels:

[0027] 1. Shell; 11. Noise reduction channel; 111. Blocking part; 112. Noise reduction groove; 12. Sound outlet channel; 121. First connection port; 122. Sound outlet; 13. Earplug part; 131. First snap-in groove; 132. First snap-in protrusion; 14. Flexible ear cap; 141. Disassembly hole; 142. Second snap-in protrusion; 143. Second snap-in groove; 15. Rotation hole; 16. Lower cover groove

[0028] 2. Adjustment component; 21. Sound inlet channel; 211. Sound inlet; 212. Second connection port; 22. Sound-absorbing sponge; 23. Sealing part; 24. Guide piece; 25. Upper cover; 26. Lower cover; 27. Toggle slot. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] See also Figure 1-6 The present embodiment provides a stepless adjustable earplug, characterized in that the earplug comprises:

[0031] The shell 1 has a noise reduction channel 11 and a sound outlet channel 12 disposed therein, and a first connection port 121 connected to the noise reduction channel 11 is formed at one end of the sound outlet channel 12; an earplug portion 13 is extended from the shell 1, and a sound outlet 122 is formed at the other end of the sound outlet channel 12 through the earplug portion 13;

[0032] The adjusting component 2 is movably arranged on the shell 1, and a sound inlet channel 21 is arranged on the adjusting component 2. One end of the sound inlet channel 21 passes through one side of the adjusting component 2 to form a sound inlet port 211, and the other end of the sound inlet channel 21 passes through the other side of the adjusting component 2 to form a second connecting port 212. The second connecting port 212 is connected to the noise reduction channel 11, and a noise reduction path is formed from the second connecting port 212 to the noise reduction channel 11 and then to the first connecting port 121. The movable adjusting component 2 is used to control the path length of the noise reduction path.

[0033] In this embodiment, a blocking portion 111 for blocking noise is fixedly disposed in the noise reduction channel 11, the blocking portion 111 corresponds to the second connection port 212, and the blocking portion 111 and the first connection port 121 correspond to the two ends of the noise reduction channel 11 respectively. Figure 3 At this time, the second connection port 212 is aligned with the blocking portion, and the sound input channel 21 and the noise reduction channel 11 are not connected.

[0034] In this embodiment, a sound absorbing sponge 22 is disposed in the sound inlet channel 21 .

[0035] In this embodiment, a flexible ear cap 14 is sleeved on the earplug portion 13 .

[0036] In this embodiment, the earplug portion 13 is provided with a first snap-fitting groove 131 and a first snap-fitting protrusion 132 in sequence from top to bottom, and the flexible ear cap 14 is provided with a disassembly hole 141 passing through both sides thereof, and the disassembly hole 141 is provided with a second snap-fitting protrusion 142 and a second snap-fitting groove 143 in sequence from top to bottom, and the flexible ear cap 14 is detachably sleeved on the earplug portion 13 through the disassembly hole 141, and the first snap-fitting protrusion 132 is detachably snap-fitted with the second snap-fitting groove 143, and the second snap-fitting protrusion 142 is detachably snap-fitted with the first snap-fitting groove 131.

[0037] In this embodiment, the adjustment component 2 is rotatably disposed on the housing 1, and the noise reduction channel 11 is in an arc shape.

[0038] In this embodiment, the housing 1 is provided with a rotation hole 15 penetrating the upper and lower sides thereof, and the adjustment component 2 is rotatably disposed in the rotation hole 15 .

[0039] In this embodiment, a noise reduction groove 112 is provided on the upper side of the shell 1, and the noise reduction groove 112 is located outside the rotating hole 15. The sound inlet 211 is located on the lower side of the adjusting component 2. A sealing portion 23 is fixedly provided on the upper side of the adjusting component 2. The second connecting port 212 is located on the lower side of the sealing portion 23. The sealing portion 23 blocks the noise reduction groove 112. The second connecting port 212 corresponds to the noise reduction groove 112 for connection, and the noise reduction channel 11 is formed between the sealing portion 23 and the noise reduction groove 112.

[0040] In this embodiment, an arc-shaped guide member 24 is further provided at the lower side of the sealing portion 23 , and the guide member 24 is movably disposed in the noise reduction groove 112 .

[0041] In this embodiment, the adjustment component 2 includes an upper cover 25 and a lower cover 26, the sealing portion 23 is located on the upper cover 25, the sound inlet channel 21 is arranged in the upper cover 25, and the sound inlet port 211 is located on the lower cover 26; a lower cover groove 16 corresponding to the lower cover 26 is arranged on the lower side of the shell 1, and the lower cover groove 16 is connected with the rotating hole 15. The lower cover 26 is movably arranged in the lower cover groove 16, and the upper cover 25 is movably arranged at the upper side of the shell 1, and the lower cover 26 passes through the rotating hole 15 to be fixed to the upper cover 25, and one end of the sound inlet channel 21 in the upper cover 25 is connected with the sound inlet port 211.

[0042] Specifically, a toggle slot 27 is provided on the upper side of the upper cover 25 .

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stepless adjustable earplug, characterized in that: The earplugs include: A shell, wherein a noise reduction channel and a sound output channel are arranged in the shell, and a first connection port connected to the noise reduction channel is formed at one end of the sound output channel; an earplug portion is arranged on the shell, and a sound output port is formed at the other end of the sound output channel through the earplug portion; An adjustment component, wherein the adjustment component is movably arranged on the shell, and a sound input channel is arranged on the adjustment component, one end of the sound input channel passes through one side of the adjustment component to form a sound input port, and the other end of the sound input channel passes through the other side of the adjustment component to form a second connecting port, the second connecting port is connected to the noise reduction channel, and a noise reduction path is formed from the second connecting port to the noise reduction channel and then to the first connecting port, and the movable adjustment component is used to control the path length of the noise reduction path.

2. The stepless adjustment earplug according to claim 1, characterized in that: A blocking portion for blocking noise is fixedly arranged in the noise reduction channel, the blocking portion corresponds to the second connection port, and the blocking portion and the first connection port correspond to two ends of the noise reduction channel respectively.

3. The stepless adjustment earplug according to claim 1, characterized in that: A sound-absorbing sponge is arranged in the sound inlet channel.

4. The stepless adjustment earplug according to claim 1, characterized in that: A flexible ear cap is sleeved on the earplug part.

5. The stepless adjustment earplug according to claim 4, characterized in that: The earplug part is provided with a first snap-in groove and a first snap-in protrusion in sequence from top to bottom, the flexible ear cap is provided with a disassembly hole running through both sides thereof, the disassembly hole is provided with a second snap-in protrusion and a second snap-in groove in sequence from top to bottom, the flexible ear cap is detachably sleeved on the earplug part through the disassembly hole, and the first snap-in protrusion is detachably snap-connected to the second snap-in groove, and the second snap-in protrusion is detachably snap-connected to the first snap-in groove.

6. The stepless adjustment earplug according to claim 1, characterized in that: The adjustment component is rotatably arranged on the shell, and the noise reduction channel is in an arc shape or a circular ring shape.

7. The stepless adjustable earplug according to claim 6, characterized in that: The shell is provided with a rotation hole penetrating through the upper and lower sides thereof, and the adjustment component can be rotatably arranged in the rotation hole.

8. The stepless adjustable earplug according to claim 7, characterized in that: A noise reduction groove is provided on the upper side of the shell, and the noise reduction groove is located outside the rotating hole. The sound inlet is located on the lower side of the adjustment component. A sealing portion is fixedly provided on the upper side of the adjustment component. The second connecting port is located on the lower side of the sealing portion. The sealing portion blocks the noise reduction groove. The second connecting port corresponds to the noise reduction groove, and the noise reduction channel is formed between the sealing portion and the noise reduction groove.

9. The stepless adjustable earplug according to claim 8, characterized in that: An arc-shaped guide piece is also arranged at the lower side of the sealing part, and the guide piece is movably arranged in the noise reduction groove.

10. The stepless adjustable earplug according to claim 8, characterized in that: The adjustment assembly includes an upper cover and a lower cover, the sealing portion is located on the upper cover, the sound inlet channel is arranged in the upper cover, and the sound inlet port is located on the lower cover; a lower cover groove corresponding to the lower cover is arranged on the lower side of the shell, the lower cover groove is connected with the rotating hole, the lower cover is movably arranged in the lower cover groove, the upper cover is movably arranged at the upper side of the shell, and the lower cover passes through the rotating hole to be fixed to the upper cover, and one end of the sound inlet channel in the upper cover is connected with the sound inlet port.

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