Earphone sound emitting structure and hearing aid

Abstract

The utility model discloses an earphone sound output structure and a hearing aid, which are used for solving the technical problems that the aperture of a vent hole of an existing earphone is single, and the requirements of different users on different ventilatory capacities cannot be met. According to the utility model, the earmuffs are movably sleeved on the sound outlet tube; the sound outlet tube is provided with a vent hole, and the earmuff is provided with a deflation hole. Through the above design, when the earmuff moves to the first preset position relative to the sound outlet tube, the air leakage hole can be completely communicated with the vent hole, the ventilation capacity of the vent hole is maximum, in addition, when the earmuff moves to other positions relative to the sound outlet tube, the side face of the earmuff can partially shield the vent hole, and the ventilation capacity of the vent hole is reduced. And when the earmuff moves to a second preset position relative to the sound outlet tube, the side surface of the earmuff shields the vent hole, and the vent hole is closed. In the design, the opening degree of the ventilation hole can be adjusted, so that the ventilation capacity of the ventilation hole is changed, and the requirements of different users for different ventilation capacities are met.

Description

Technical Field

[0001] The utility model relates to the technical field of headphone design, in particular to a sound output structure of a headphone and a hearing aid. Background Art

[0002] Vent holes play an important role in hearing aids. The vent holes mainly connect the ear canal with the outside world. A proper vent hole can not only improve the wearing comfort of the hearing aid, but also improve the sound quality. On the contrary, if the vent hole is not appropriate, the hearing aid will produce howling, and the wearer will feel that the sound is unnatural, resulting in the patient refusing to use the hearing aid. Among them, the vent hole has the following functions: 1. The acoustic effect of the vent hole is mainly to reduce the low-frequency effect of the hearing aid, so that the low-frequency energy can "leak" out of the ear mold, which is convenient for adjusting the low-frequency parameters of the hearing aid and improving the sound quality. Due to the different lengths and diameters of its pipes, different low-frequency attenuation amounts can be generated by the hearing aid. 2. The vent hole can reduce the occlusion effect, increase the ventilation volume in the ear canal, balance the air pressure inside and outside the ear canal, reduce the blockage and stuffiness feeling of the patient after using the ear mold, and can greatly improve its listening comfort. It can make the unamplified signal enter the ear canal, especially when the gain of the hearing aid is small and the external signal is strong, the effect is more obvious. 3. It is convenient for the skin in the ear canal to dissipate heat, reduce the condensation of water vapor in the sound guide tube. Reduce the humidity in the ear canal and prevent secondary infections when otitis media hearing-impaired patients wear hearing aids. Therefore, when otitis media hearing-impaired patients select hearing aids, they must consider installing vent holes. 4. Vent holes and howling effect, when the vent hole selected by the ear mold does not match the gain of the hearing aid, the hearing aid will produce howling.

[0003] At present, the aperture of the vent hole of the hearing aid is single, and the opening degree of the vent hole cannot be adjusted, which cannot meet the different ventilation volume requirements of different users.

[0004] Therefore, finding a technical solution that can solve the above technical problems has become an important research topic for those skilled in the art. Summary of the Utility Model

[0005] The embodiment of the utility model discloses a sound output structure of a headphone and a hearing aid, which is used to solve the technical problem that the aperture of the vent hole of the existing headphone is single and cannot meet the different ventilation volume requirements of different users.

[0006] A sound output structure of a headphone provided by the utility model includes a sound output tube and an earplug movably sleeved on the sound output tube;

[0007] A vent hole is opened on the side surface of the sound output tube, and a vent hole is opened on the earplug. When the earplug moves relative to the sound output tube, the vent hole moves relative to the vent hole to change the opening degree of the vent hole.

[0008] Optionally, the earbud rotationally sleeved on the sound outlet tube, wherein when the earbud rotates relative to the sound outlet tube, the air leakage hole moves relative to the ventilation hole to change the opening degree of the ventilation hole.

[0009] Optionally, the earbud includes an ear-attaching part and a connecting part, and the connecting part is used for rotationally sleeving on the sound outlet tube;

[0010] The ear-attaching part is arranged around the connecting part, the air leakage hole is opened on the side surface of the connecting part, a through groove is axially opened in the connecting part, and the sound outlet tube is rotatably connected in the through groove.

[0011] Optionally, the aperture of the through groove is larger than the outer diameter of the sound outlet tube.

[0012] Optionally, a first rotation matching part is arranged on the outer side wall of the sound outlet tube, and a second rotation matching part which rotationally matches with the first rotation matching part is arranged on the inner side wall of the connecting part, and the first rotation matching part and the second rotation matching part rotationally match.

[0013] Optionally, the first rotation matching part is a protrusion protruding from the outer side wall of the sound outlet tube; the second rotation matching part is an annular groove recessed in the inner side wall of the connecting part, and the protrusion is adapted to the annular groove.

[0014] Optionally, the first rotation matching part is an annular groove recessed in the outer side wall of the sound outlet tube, and the second rotation matching part is a protrusion protruding from the inner side wall of the connecting part, and the protrusion is adapted to the annular groove.

[0015] Optionally, the earbud is slidably sleeved on the sound outlet tube, and when the earbud slides along the axis direction of the sound outlet tube, the air leakage hole moves relative to the ventilation hole to change the opening degree of the ventilation hole.

[0016] Optionally, a sliding hole extending along the axis direction is arranged in the earbud, the air leakage hole is opened on the hole wall of the sliding hole, and the sound outlet tube is slidably inserted into the sliding hole;

[0017] When the earbud slides relative to the sound outlet tube, the air leakage hole moves relative to the ventilation hole to change the opening degree of the ventilation hole.

[0018] An embodiment of the present invention discloses a hearing aid, which includes a headphone main body and the above-mentioned headphone sound outlet structure, wherein the headphone main body is connected with the headphone sound outlet structure.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In the earphone sound output structure of this embodiment, the ear tip is movably sleeved on the sound output pipe; the sound output pipe is provided with ventilation holes, and the ear tip is provided with air leakage holes. Through the above design, when the ear tip moves relative to the sound output pipe to the first preset position, the air leakage holes can be completely communicated with the ventilation holes, and at this time, the ventilation volume of the ventilation holes is the largest. In addition, when the ear tip moves relative to the sound output pipe to other positions, the side surface of the ear tip can partially block the ventilation holes. At this time, the ventilation volume of the ventilation holes decreases until the ear tip moves relative to the sound output pipe to the second preset position, the side surface of the ear tip blocks the ventilation holes, and the ventilation holes are closed. In the above design, the opening degree of the ventilation holes can be adjusted, so as to change the ventilation volume of the ventilation holes, and further meet the requirements of different users for different ventilation volumes. Brief Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0022] Figure 1 Schematic diagram of an earphone sound output structure and a hearing aid provided by an embodiment of the present invention;

[0023] Figure 2 Schematic diagram of the ear tip structure of the first specific embodiment in the earphone sound output structure provided by an embodiment of the present invention;

[0024] Figure 3 Schematic diagram of the structure of the sound output pipe of the first specific embodiment in the earphone sound output structure provided by an embodiment of the present invention;

[0025] Figure 4 Schematic diagram of the structure when the side surface of the ear tip closes the air leakage holes after the ear tip rotates relative to the sound output pipe to the second preset position in the earphone sound output structure of the first specific embodiment provided by an embodiment of the present invention;

[0026] Figure 5 Schematic diagram of the structure when the ventilation holes and the air leakage holes are completely communicated after the ear tip rotates relative to the sound output pipe to the first preset position in the earphone sound output structure of the first specific embodiment provided by an embodiment of the present invention;

[0027] Illustration: Ear tip 1; Air leakage hole 101; Through groove 102; Second rotation matching part 103; Ear attachment part 104; Connection part 105; Sound output pipe 2; Ventilation hole 201; First rotation matching part 202; Microphone 3. Detailed Description of the Invention

[0028] The utility model discloses a sound output structure of an earphone and a hearing aid, which are used to solve the technical problem that the aperture of the ventilation hole of the existing earphone is single and cannot meet the requirements of different users for different ventilation volumes.

[0029] In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1 to 5 , a sound output structure of an earphone provided by an embodiment of the present utility model includes a sound output tube 2 and an earplug 1 movably sleeved on the sound output tube 2;

[0031] Please refer to Figure 2 , an air leakage hole 101 is opened on the side surface of the earplug 1; please refer to Figure 3 , a ventilation hole 201 is opened on the side surface of the sound output tube 2; wherein, when the earplug 1 moves relative to the sound output tube 2, the air leakage hole 101 moves relative to the ventilation hole 201 to change the opening degree of the ventilation hole 201.

[0032] In the sound output structure of the earphone in this embodiment, the earplug 1 is movably sleeved on the sound output tube 2; a ventilation hole 201 is opened on the sound output tube 2, and an air leakage hole 101 is opened on the earplug 1. Please refer to Figure 5 , through the above design, when the earplug 1 moves relative to the sound output tube 2 to a first preset position, the air leakage hole 101 can be completely communicated with the ventilation hole 201, and at this time, the ventilation volume of the ventilation hole 201 is the largest. In addition, please refer to Figure 4 , when the earplug 1 moves relative to the sound output tube 2 to other positions, the side surface of the earplug 1 can partially block the ventilation hole 201. At this time, the ventilation volume of the ventilation hole 201 decreases until the earplug 1 moves relative to the sound output tube 2 to a second preset position, the side surface of the earplug 1 blocks the ventilation hole 201, and the ventilation hole 201 is closed. In the above design, the opening degree of the ventilation hole 201 can be adjusted, so as to change the ventilation volume of the ventilation hole 201, and further meet the requirements of different users for different ventilation volumes.

[0033] Furthermore, the earplug 1 in this embodiment can be rotatably connected or slidably connected to the sound output tube 2. The above two movable connection methods can both adjust the opening degree of the ventilation hole 201, and the following will be specifically described with two specific embodiments.

[0034] In the first specific embodiment, the earplug 1 of this embodiment is rotatably sleeved on the sound outlet pipe 2. When the earplug 1 rotates relative to the sound outlet pipe 2, the air leakage hole 101 moves relative to the ventilation hole 201 to change the opening degree of the ventilation hole 201.

[0035] It should be noted that through the above design, as Figure 5 shown, when the earplug 1 rotates relative to the sound outlet pipe 2 to the first preset position, at this time, the air leakage hole 101 and the ventilation hole 201 are completely overlapped and communicated. At this time, the opening degree of the ventilation hole 201 is at the maximum value and the ventilation volume is the largest; as Figure 4 shown, when the earplug 1 rotates relative to the sound outlet pipe 2 again and rotates to the second preset position, at this time, the side surface of the earplug 1 blocks the ventilation hole 201, and at this time the ventilation hole 201 is closed; when the earplug 1 rotates relative to the sound outlet pipe 2 again and rotates to other positions different from the first preset position and the second preset position, at this time, the side surface of the earplug 1 partially blocks the ventilation hole 201. At this time, the air leakage hole 101 and the ventilation hole 201 are partially communicated, the opening degree of the ventilation hole 201 decreases, and the ventilation volume decreases.

[0036] Furthermore, the earplug 1 of this embodiment includes an ear-attaching part 104 and a connecting part 105 rotatably sleeved on the sound outlet pipe;

[0037] The ear-attaching part 104 is arranged around the connecting part 105. The air leakage hole 101 is opened on the side surface of the connecting part 105. The connecting part 105 is provided with a through groove 102 along its axial direction, and the sound outlet pipe 2 is rotatably connected in the through groove 102.

[0038] It should be noted that by rotatably connecting the sound outlet pipe 2 in the through groove 102, the earplug 1 can rotate relative to the sound outlet pipe 2.

[0039] Specifically, to ensure that the earplug 1 can rotate relative to the sound outlet pipe 2, the aperture of the through groove 102 in this embodiment is larger than the outer diameter of the sound outlet pipe 2.

[0040] In addition, the earplug 1 of this embodiment is specifically made of a soft material such as silica gel, and the sound outlet pipe 2 of this embodiment is specifically made of a hard plastic material. Through the rotation of the above materials, the earplug 1 can rotate more smoothly relative to the sound outlet pipe 2, thereby facilitating the user to adjust the opening degree of the ventilation hole 201.

[0041] Furthermore, please refer to Figure 3 , a first rotation matching part 202 is arranged on the outer side wall of the sound outlet pipe 2 of this embodiment. Please refer to Figure 2, a second rotation engaging portion 103 that rotates in engagement with the first rotation engaging portion 202 is provided on the inner side wall of the connecting portion 105, and the first rotation engaging portion 202 rotates in engagement with the second rotation engaging portion 103.

[0042] It should be noted that through the above design, the earplug 1 can be prevented from falling off when rotating.

[0043] Specifically, in this embodiment, the first rotation engaging portion 202 is a protrusion protruding from the outer side wall of the sound outlet pipe 2; the second rotation engaging portion 103 in this embodiment is an annular groove recessed in the inner side wall of the connecting portion 105, and the protrusion rotates in engagement with the annular groove.

[0044] The above-mentioned protrusion can be an annular protrusion. In addition to the annular protrusion, the first rotation engaging portion 202 can also be several protrusions arranged around the axis of the sound outlet pipe, and each protrusion is adapted to the annular groove;

[0045] Alternatively, in this embodiment, the first rotation engaging portion 202 is an annular groove recessed in the outer side wall of the sound outlet pipe 2, and the second rotation engaging portion 103 in this embodiment is a protrusion protruding from the inner side wall of the connecting portion 105, and the protrusion rotates in engagement with the annular groove.

[0046] The above-mentioned protrusion can be an annular protrusion. In addition to the annular protrusion, the second rotation engaging portion 103 can also be several protrusions arranged around the axis of the connecting portion 105, and each protrusion is adapted to the annular groove;

[0047] The above two designs can both avoid the situation of the earplug 1 falling off when rotating.

[0048] In the second specific embodiment, the earplug 1 in this embodiment is slidably sleeved on the sound outlet pipe 2. When the earplug 1 slides along the axis direction of the sound outlet pipe 2, the air leakage hole 101 moves relative to the ventilation hole 201 to change the opening degree of the ventilation hole 201.

[0049] It should be noted that through the above design, when the earplug 1 slides relative to the sound outlet pipe 2 to the first preset position, at this time, the air leakage hole 101 and the ventilation hole 201 are completely overlapped and communicated. At this time, the opening degree of the ventilation hole 201 is at the maximum value and the ventilation volume is the largest; when the earplug 1 slides relative to the sound outlet pipe 2 again and slides to the second preset position, at this time, the side surface of the earplug 1 blocks the ventilation hole 201, and at this time the ventilation hole 201 is closed; when the earplug 1 slides relative to the sound outlet pipe 2 again and slides to other positions different from the first preset position and the second preset position, at this time, the side surface of the earplug 1 partially blocks the ventilation hole 201. At this time, the air leakage hole 101 and the ventilation hole 201 are partially communicated, the opening degree of the ventilation hole 201 is reduced, and the ventilation volume is reduced.

[0050] Further, a sliding hole extending along the axial direction of the earplug 1 is provided inside the earplug 1, the air vent hole 101 is opened on the hole wall of the sliding hole, and the sound outlet pipe 2 is slidably inserted into the sliding hole;

[0051] When the earplug 1 slides relative to the sound outlet pipe 2, the air vent hole 101 moves relative to the ventilation hole 201 to change the opening degree of the ventilation hole 201.

[0052] It should be noted that through the above design, the earplug 1 can slide relative to the sound outlet pipe 2.

[0053] Further, in the above two specific embodiments, the specific shapes and sizes of the ventilation hole 201 and the air vent hole 101 in this embodiment are the same. The shapes of the ventilation hole 201 and the air vent hole 101 can be circular holes, square holes, or oval holes. Among them, the ventilation hole 201 is preferably an oval hole extending along the circumferential direction of the sound outlet pipe 2, and the air vent hole 101 is preferably an oval hole extending along the circumferential direction of the earplug 1.

[0054] Please refer to Figures 1 to 5 , this embodiment of the utility model also provides a hearing aid, which includes a microphone 3, a headphone main body, and the above-mentioned headphone sound outlet structure. Among them, the microphone 3 is connected to the headphone main body, and the headphone sound outlet structure is connected to the headphone main body.

[0055] In the hearing aid of this embodiment, the earplug 1 is movably sleeved on the sound outlet pipe 2; the sound outlet pipe 2 is provided with a ventilation hole 201, and the earplug 1 is provided with an air vent hole 101. Please refer to Figure 5 , through the above design, when the earplug 1 moves relative to the sound outlet pipe 2 to the first preset position, the air vent hole 101 can be completely communicated with the ventilation hole 201. At this time, the ventilation volume of the ventilation hole 201 is the largest. In addition, please refer to Figure 4 , when the earplug 1 moves relative to the sound outlet pipe 2 to other positions, the side surface of the earplug 1 can partially block the ventilation hole 201. At this time, the ventilation volume of the ventilation hole 201 decreases. Until the earplug 1 moves relative to the sound outlet pipe 2 to the second preset position, the side surface of the earplug 1 blocks the ventilation hole 201, and the ventilation hole 201 is closed. In the above design, the opening degree of the ventilation hole 201 can be adjusted, so as to change the ventilation volume of the ventilation hole 201, and further meet the needs of different users for different ventilation volumes.

[0056] The above has introduced in detail a headphone sound outlet structure and a hearing aid provided by the present utility model. For those of ordinary skill in the art, according to the idea of the embodiments of the present utility model, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. An earphone sound output structure, characterized in that It includes a sound outlet tube and an ear tip movably sleeved on the sound outlet tube; Vent holes are formed on the side surface of the sound outlet tube, and air leakage holes are formed on the ear tip. Wherein, when the ear tip moves relative to the sound outlet tube, the air leakage holes move relative to the vent holes to change the opening degree of the vent holes.

2. The earphone sound output structure according to claim 1, wherein The ear tip is rotatably sleeved on the sound outlet tube. Wherein, when the ear tip rotates relative to the sound outlet tube, the air leakage holes move relative to the vent holes to change the opening degree of the vent holes.

3. The earphone sound output structure according to claim 2, characterized in that, The ear tip includes an ear-attaching part and a connecting part, and the connecting part is used for rotatably sleeving on the sound outlet tube; The ear-attaching part is arranged around the connecting part, the air leakage holes are formed on the side surface of the connecting part, a through groove is formed in the connecting part along its axial direction, and the sound outlet tube is rotatably connected in the through groove.

4. The earphone sound output structure according to claim 3, wherein, The aperture of the through groove is larger than the outer diameter of the sound outlet tube.

5. The earphone sound output structure according to claim 3, wherein, A first rotation matching part is arranged on the outer side wall of the sound outlet tube, and a second rotation matching part that rotationally matches with the first rotation matching part is arranged on the inner side wall of the connecting part, and the first rotation matching part is adapted to the second rotation matching part.

6. The earphone sound output structure according to claim 5, characterized in that, The first rotation matching part is a protrusion protruding from the outer side wall of the sound outlet tube; the second rotation matching part is an annular groove recessed in the inner side wall of the connecting part, and the protrusion is adapted to the annular groove.

7. The earphone sound output structure according to claim 5, characterized in that, The first rotation matching part is an annular groove recessed in the outer side wall of the sound outlet tube, and the second rotation matching part is a protrusion protruding from the inner side wall of the connecting part, and the protrusion rotationally matches with the annular groove.

8. The headphone sound output structure according to claim 1, characterized in that The ear tip is slidably sleeved on the sound outlet tube. When the ear tip slides along the axial direction of the sound outlet tube, the air leakage holes move relative to the vent holes to change the opening degree of the vent holes.

9. The earphone sound output structure according to claim 8, wherein, A sliding hole extending along its axial direction is arranged in the ear tip, the air leakage holes are formed on the hole wall of the sliding hole, and the sound outlet tube is slidably inserted into the sliding hole; When the ear tip slides relative to the sound outlet tube, the air leakage holes move relative to the vent holes to change the opening degree of the vent holes.

10. A hearing aid, characterized in that, It includes a headphone main body and a headphone sound outlet structure according to any one of claims 1 to 9, wherein the headphone main body is connected to the headphone sound outlet structure.

Images