earphone

Abstract

The present application relates to an earphone that can be worn in the ear canal, and the earphone comprises: a main body, provided with an air leakage hole; a first earplug, which can be installed on the main body to cover the air leakage hole, and when the earphone is worn in the ear canal, the circumference of the first earplug fits the ear canal; the first earplug can also be detached from the main body; and a second earplug, which can be installed on the main body to expose the air leakage hole, and when the earphone is worn in the ear canal, the air leakage hole is located on the side of the main body facing the ear canal, and the circumference of the second earplug can fit the ear canal; the second earplug can also be detached from the main body. The above-mentioned earphone can change the ear insertion depth of the earphone by detachably installing the first earplug or the second earplug on the main body, and the wearing experience is better. The first earplug makes the earphone more airtight and improves the acoustic performance of the earphone. The second earplug can reduce the airtightness in the ear canal through the air leakage hole, and improve the openness of the sound quality of the earphone.

Description

Technical Field

[0001] The present application relates to the technical field of earphones, and in particular to earphones. Background Art

[0002] Traditional earphones include semi-in-ear earphones and in-ear earphones, and semi-in-ear earphones and in-ear earphones are two different forms of earphones, which are difficult to achieve on one earphone; traditional semi-in-ear earphones are made of hard material, which will compress the ear canal, and cannot form a good airtightness with the ear canal, and the sound quality is easily affected; traditional in-ear earphones extend deep into the ear canal, forming a good airtightness with the ear canal, but it is easy to form an air pressure difference between the ear canal and the outside world, and the sound of people talking will form an echo in the ear canal, resulting in a poor experience. Summary of the invention

[0003] In the first aspect of the present application, an embodiment provides an earphone to solve the technical problem that the above-mentioned semi-in-ear and in-ear earphones are difficult to realize at the same time, the semi-in-ear earphones have poor airtightness with the ear canal and poor sound quality, while the in-ear earphones have good airtightness with the ear canal, which easily causes an air pressure difference between the ear canal and the outside world.

[0004] An earphone capable of being worn in an ear canal, the earphone comprising:

[0005] The main body is provided with an air leakage hole;

[0006] a first earplug, which can be mounted on the main body to cover the air leakage hole, and when the earphone is worn in the ear canal, the circumference of the first earplug fits the ear canal; the first earplug can also be detached from the main body; and

[0007] The second earplug can be installed on the main body to expose the air leakage hole, and when the earphone is worn in the ear canal, the air leakage hole is located on the side of the main body facing the ear canal, and the circumference of the second earplug can fit the ear canal; the second earplug can also be detached from the main body.

[0008] The earphone can change the ear-in-ear depth of the earphone by detachably installing the first earplug or the second earplug on the main body, so that the earphone can switch between semi-in-ear earphone and in-ear earphone, and the airtightness in the ear canal can be adjusted, thereby adjusting the acoustic performance of the earphone. When the first earplug is installed on the main body, when the user wears the earphone, the first earplug will not cause pressure on the ear canal and is not easy to fall off, so that the user has a better wearing experience. The first earplug can cooperate well with the ear canal, and the sound insulation effect is good, so that the airtightness of the earphone is good, and the acoustic performance of the earphone is improved. When the second earplug is installed on the main body, when the user wears the earphone, the second earplug will not cause pressure on the ear canal and is not easy to fall off, so that the user has a better wearing experience. When the second earplug is installed on the main body, the airtightness of the earphone after the earphone and the ear canal are matched can be reduced through the air vent hole, avoiding the formation of an air pressure difference between the ear canal and the outside world, thereby avoiding the sound of speaking from forming an echo in the ear canal, and improving the open feeling of the sound quality of the earphone. When the first earplug is installed on the main body and when the second earplug is installed on the main body, the air tightness in the ear canal is close, so the earphone has similar acoustic characteristics in the two states, and the sound quality of the earphone is not easily affected in the two states.

[0009] In one embodiment, the main body includes a front cover, and the front cover is provided with a first sound outlet channel; the first earplug is provided with a second sound outlet channel, and when the first earplug is installed in the main body, the second sound outlet channel is connected to the first sound outlet channel; the second earplug is provided with a third sound outlet channel, and when the second earplug is installed in the main body, the third sound outlet channel and the air vent are respectively connected to the first sound outlet channel.

[0010] In one of the embodiments, the front cover includes a sound outlet, the first sound outlet channel is located at the sound outlet, and the end of the sound outlet is provided with a first clamping position surrounding the outer circumference of the sound outlet; the first earplug includes a second clamping position, the first clamping position can be engaged with the second clamping position, so that the first earplug is installed on the main body, and the second clamping position is interference fit with the sound outlet; the second earplug includes a third clamping position, the first clamping position can be engaged with the third clamping position, so that the second earplug is installed on the main body.

[0011] In one embodiment, the main body includes a rear shell, the front cover covers the rear shell, an end of the front cover away from the rear shell forms an end surface, and the sound outlet protrudes from the end surface.

[0012] In one of the embodiments, the air leakage hole is located in the front cover; when the first earplug is installed in the main body, the entire structure of the sound outlet is located in the first earplug, the edge contour line of the first earplug coincides with the edge contour line of the end face, and the first earplug covers and closes the air leakage hole; when the second earplug is installed in the main body, part of the structure of the sound outlet is located in the second earplug, and there is a gap between the second earplug and the end face, and the air leakage hole is exposed.

[0013] In one of the embodiments, the air leakage hole is located on the hole wall of the sound outlet, and when the second earplug is installed on the main body, the air leakage hole is located on a side of the third clamping position close to the end surface.

[0014] In one embodiment, the air leakage hole is located on the end surface, and there is a gap between the air leakage hole and the sound outlet.

[0015] In one embodiment, the rear shell and the front cover together form a receiving space, and a speaker is arranged in the receiving space.

[0016] In one embodiment, the first earplug and the second earplug are made of rubber.

[0017] In a second aspect of the present application, an embodiment provides an earphone to solve the technical problem that the semi-in-ear and in-ear earphones are difficult to realize at the same time, and the semi-in-ear earphones have poor airtightness with the ear canal and poor sound quality.

[0018] An earphone capable of being worn in an ear canal, the earphone comprising:

[0019] A main body, comprising an end surface and a side surface connected to the outer periphery of the end surface;

[0020] A first earplug can be mounted on the main body and protrude from the end surface, and one end of the first earplug facing the outside of the ear canal is connected to the side surface; when the earphone is worn in the ear canal, the circumference of the first earplug fits the ear canal; the first earplug can also be detached from the main body; and

[0021] The second earplug can be installed on the main body and protrude from the end surface, and the circumferential width of the second earplug is smaller than the width of the end surface; when the earphone is worn in the ear canal, the circumference of the second earplug can fit the ear canal; the second earplug can also be detached from the main body.

[0022] The above-mentioned earphones can change the ear-insertion depth of the earphones by detachably installing the first earplug or the second earplug on the main body, so that the earphones can switch between semi-in-ear earphones and in-ear earphones, and can adjust the airtightness in the ear canal, thereby adjusting the acoustic performance of the earphones. When the first earplug is installed on the main body, when the user wears the earphone, the first earplug will not cause pressure on the ear canal and will not fall off easily, so that the user has a better wearing experience. The first earplug can cooperate well with the ear canal and has a good sound insulation effect, so that the earphones have better airtightness and improve the acoustic performance of the earphones. When the second earplug is installed on the main body, when the user wears the earphone, the second earplug will not cause pressure on the ear canal and will not fall off easily, so that the user has a better wearing experience.

[0023] In one embodiment, the distance that the end of the first earplug facing away from the main body protrudes from the end surface is L1, and the distance that the end of the second earplug facing away from the main body protrudes from the end surface is L2, and L2≥L1.

[0024] In one embodiment, the main body includes a front cover and a rear shell, the front cover covers the rear shell, the end of the front cover away from the rear shell forms the end surface, and the front cover is provided with a first sound outlet channel and an air leakage hole; the first earplug is provided with a second sound outlet channel, and when the first earplug is installed in the main body, the second sound outlet channel is connected to the first sound outlet channel; the second earplug is provided with a third sound outlet channel, and when the second earplug is installed in the main body, the third sound outlet channel and the air leakage hole are respectively connected to the first sound outlet channel.

[0025] In one of the embodiments, the front cover includes a sound outlet protruding from the end surface, the first sound outlet channel is located at the sound outlet, and the end of the sound outlet is provided with a first clamping position surrounding the outer circumference of the sound outlet; the first earplug includes a second clamping position, the first clamping position can be engaged with the second clamping position, so that the first earplug is installed on the main body, and the second clamping position is interference fit with the sound outlet; the second earplug includes a third clamping position, the first clamping position can be engaged with the third clamping position, so that the second earplug is installed on the main body.

[0026] In one of the embodiments, when the first earplug is installed in the main body, the entire structure of the sound outlet is located inside the first earplug, the edge contour line of the first earplug coincides with the edge contour line of the end face, and the first earplug covers and closes the air leakage hole; when the second earplug is installed in the main body, part of the structure of the sound outlet is located inside the second earplug, and there is a gap between the second earplug and the end face, and the air leakage hole is exposed.

[0027] In one of the embodiments, the air leakage hole is located on the hole wall of the sound outlet, and when the second earplug is installed on the main body, the air leakage hole is located on a side of the third clamping position close to the end surface.

[0028] In one embodiment, the air leakage hole is located on the end surface, and there is a gap between the air leakage hole and the sound outlet.

[0029] In the third aspect of the present application, an embodiment provides an earphone to solve the technical problem that the above-mentioned semi-in-ear and in-ear earphones are difficult to realize at the same time, the semi-in-ear earphones have poor airtightness with the ear canal and poor sound quality, while the in-ear earphones have good airtightness with the ear canal, which easily causes an air pressure difference between the ear canal and the outside world.

[0030] An earphone capable of being worn in an ear canal, the earphone comprising:

[0031] main body;

[0032] a first earplug, which can be mounted on the main body so that an end of the first earplug facing outside the ear canal is engaged with a circumferential side surface of the main body; when the earphone is worn in the ear canal, the circumference of the first earplug fits the ear canal; and the first earplug can also be detached from the main body; and

[0033] The second earplug can be installed on the main body and form an air leakage channel with the main body. When the earphone is worn in the ear canal, the circumference of the second earplug can fit the ear canal. The second earplug can also be detached from the main body.

[0034] The earphone can change the ear-in-ear depth of the earphone by detachably installing the first earplug or the second earplug on the main body, so that the earphone can switch between semi-in-ear earphone and in-ear earphone, and the airtightness in the ear canal can be adjusted, thereby adjusting the acoustic performance of the earphone. When the first earplug is installed on the main body, when the user wears the earphone, the first earplug will not cause pressure on the ear canal and is not easy to fall off, so that the user has a better wearing experience. The first earplug can cooperate well with the ear canal, and the sound insulation effect is good, so that the airtightness of the earphone is good, and the acoustic performance of the earphone is improved. When the second earplug is installed on the main body, when the user wears the earphone, the second earplug will not cause pressure on the ear canal and is not easy to fall off, so that the user has a better wearing experience. When the second earplug is installed on the main body, the airtightness of the earphone after the ear canal is matched can be reduced through the air release channel, avoiding the formation of an air pressure difference between the ear canal and the outside world, thereby avoiding the sound of speaking from forming an echo in the ear canal, and improving the open feeling of the sound quality of the earphone. When the first earplug is installed on the main body and when the second earplug is installed on the main body, the air tightness in the ear canal is close, so the earphone has similar acoustic characteristics in the two states, and the sound quality of the earphone is not easily affected in the two states.

[0035] In one embodiment, the main body includes a front cover and a rear shell, the front cover covers the rear shell, and the front cover is provided with a first sound output channel; the first earplug is provided with a second sound output channel, and when the first earplug is installed in the main body, the second sound output channel is connected to the first sound output channel; the second earplug is provided with a third sound output channel, and when the second earplug is installed in the main body, the third sound output channel and the air leakage channel are respectively connected to the first sound output channel.

[0036] In one of the embodiments, the front cover includes a sound outlet, the first sound outlet channel is located at the sound outlet, and the end of the sound outlet is provided with a first clamping position surrounding the outer circumference of the sound outlet; the first earplug includes a second clamping position, the first clamping position can be engaged with the second clamping position, so that the first earplug is installed on the main body, and the second clamping position and the sound outlet have an interference fit; the second earplug includes a third clamping position, the first clamping position can be engaged with the third clamping position, and the third clamping position has a gap fit with the sound outlet, so that the second earplug is installed on the main body, and the gap between the third clamping position and the sound outlet forms the air leakage channel.

[0037] In one of the embodiments, the front cover includes a sound outlet, the first sound outlet channel is located at the sound outlet, and the end of the sound outlet is provided with a first clamping position surrounding the outer circumference of the sound outlet; the first earplug includes a second clamping position, the first clamping position can be engaged with the second clamping position, so that the first earplug is installed on the main body, and the second clamping position is interference fit with the sound outlet; the second earplug includes a third clamping position, the first clamping position can be engaged with the third clamping position, so that the second earplug is installed on the main body.

[0038] In one embodiment, the third clamping position is provided with a notch, and the notch allows a gap to exist between the third clamping position and the sound outlet, and the notch forms the air leakage channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 A stereoscopic diagram of an earphone with a first earplug installed on a main body provided by an embodiment;

[0041] Figure 2 A stereoscopic diagram of an earphone with a second earplug installed on a main body provided by an embodiment;

[0042] Figure 3 for Figure 1 a perspective view of the earphone shown, wherein the first earplug is detached from the main body;

[0043] Figure 4 for Figure 2 a perspective view of the earphone shown, wherein the second earplug is detached from the main body;

[0044] Figure 5 for Figure 1 A stereoscopic view of the earphone in working condition;

[0045] Figure 6 for Figure 2 A stereoscopic view of the earphone in working condition;

[0046] Figure 7 A stereoscopic diagram of an earphone provided by an embodiment in a working state;

[0047] Figure 8 for Figure 7 A cross-sectional view of the structure shown;

[0048] Fig. 9 for Figure 1 An exploded schematic diagram of the headphones shown;

[0049] Fig.10 for Figure 2 An exploded schematic diagram of the headphones shown;

[0050] Fig.11 for Figure 1 a cross-sectional view of the earphone shown;

[0051] Fig.12 for Fig.11 a cross-sectional view of the earphone shown, wherein the first earplug is detached from the main body;

[0052] Fig.13 for Figure 2 A cross-sectional view of the earphone in one embodiment;

[0053] Fig.14 for Fig.13 a cross-sectional view of the earphone shown, wherein the second earplug is detached from the main body;

[0054] Fig.15 for Figure 2 A cross-sectional view of the earphone in another embodiment;

[0055] Fig.16 for Figure 2 A cross-sectional view of a second earplug of the earphone in one embodiment;

[0056] Fig.17 for Fig.16 A top view of the second earplug is shown. DETAILED DESCRIPTION

[0057] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.

[0058] like Figures 1 to 4 As shown, in one embodiment, an earphone 10 is provided, including a main body 100, a first earplug 200 and a second earplug 300, the main body 100 includes a speaker 130 (shown in Fig. 9 (in Chinese). Figure 1 and Figure 3 As shown, the first earplug 200 is a soft structure, which can be assembled on the main body 100 and can be removed from the main body 100. When the first earplug 200 is assembled on the main body 100, the distance between the end of the first earplug 200 away from the main body 100 and the end surface 121 of the main body 100 is L1 (shown in Fig.11 (in Chinese). Figure 2 and Figure 4 As shown, the second earplug 300 is a soft structure, which can be assembled on the main body 100 and can be removed from the main body 100. When the second earplug 300 is assembled on the main body 100, the distance between the end of the second earplug 300 away from the main body 100 and the end surface 121 of the main body 100 is L2 (shown in Fig.13 When the second earplug 300 is installed on the main body 100, the inner cavity of the main body 100 can communicate with the outside, so that the earphone 10 has a venting function. When the first earplug 200 is assembled on the main body 100, the earphone 10 is a semi-in-ear earphone. Figure 5 As shown in FIG. 1 , when the user wears the earphone 10, the first earplug 200 enters the ear canal 20, so that the earphone 10 enters the ear canal 20 to a shallow depth. When the second earplug 300 is assembled to the main body 100, the earphone 10 is an in-ear earphone, as shown in FIG. Figure 6 As shown, when the user wears the earphone 10 , the second earplug 300 enters the ear canal 20 , and the earphone 10 enters the ear canal 20 to a greater depth.

[0059] like Figure 7 and Figure 8As shown, when the user wears the earphone 10 normally, the speaker 130 of the earphone 10, the main body 100 of the earphone 10, the ear canal 20 and the eardrum 30 form a cavity, which is called the earphone front cavity 40. The acoustic characteristics of the earphone front cavity 40 will directly affect the acoustic performance of the earphone 10. The acoustic characteristics of the earphone front cavity 40 mainly include the front cavity volume and airtightness, and the acoustic performance of the earphone 10 mainly includes frequency response and resonant frequency. There is a significant difference in the airtightness of the earphone front cavity 40 between semi-in-ear earphones and in-ear earphones. Therefore, when other conditions are the same, there is a significant difference in the acoustic performance between semi-in-ear earphones and in-ear earphones. By changing the airtightness of the earphone front cavity 40, that is, the airtightness in the ear canal, the acoustic performance of the earphone 10 can be changed.

[0060] The earphone 10 of the present application can change the ear insertion depth of the earphone 10 by detachably installing the first earplug 200 or the second earplug 300 on the main body 100, so that the earphone 10 can be switched between a semi-in-ear earphone and an in-ear earphone, and the acoustic characteristics of the earphone front cavity 40 can be adjusted, thereby adjusting the acoustic performance of the earphone 10. When the first earplug 200 is installed on the main body 100, the earphone 10 is a semi-in-ear earphone. When the user wears the earphone 10, part of the first earplug 200 enters the ear canal 20, which will not cause pressure on the ear canal 20 and is not easy to fall off, so that the user has a better wearing experience. The first earplug 200 enters the ear canal 20 and can cooperate well with the ear canal 20, with a better sound insulation effect, so that the airtightness of the earphone front cavity 40 is better, and the acoustic performance of the earphone 10 is improved. When the second earplug 300 is installed on the main body 100, the earphone 10 is an in-ear earphone. When the user wears the earphone 10, part of the second earplug 300 enters the ear canal 20, which does not cause pressure on the ear canal 20 and is not easy to fall off, so that the user has a better wearing experience. When the second earplug 300 is installed on the main body, the vent hole can reduce the air tightness of the earphone front cavity 40, avoid the formation of air pressure difference between the ear canal 20 and the outside, thereby avoiding the echo of the voice when speaking in the ear canal 20, and improving the open feeling of the sound quality of the earphone 10. The ear insertion depth of the second earplug 300 when assembled on the main body 100 is less than that of the traditional in-ear earphone, so as to improve the problem of the intrusion feeling when the user wears the earphone 10. When the first earplug 200 is installed on the main body 100 and the second earplug 300 is installed on the main body 100, the air tightness of the earphone front cavity 40 is close, so that the earphone 10 has similar acoustic characteristics in the two states, and the sound quality of the earphone 10 in the two states is not easily affected.

[0061] like Fig. 9 and Fig.10As shown, in one embodiment, the main body 100 includes a front cover 120, a rear shell 110 and a speaker 130. The front cover 120 covers the rear shell 110, and the front cover 120 and the rear shell 110 form a storage space. The speaker 130 is fixed in the storage space, and the sound outlet of the speaker 130 faces the front cover 120. The front cover 120 and the rear shell 110 are made of plastic or plastic or metal, so that the main body 100 is a hard structure to protect the electronic components in the main body 100. The end surface of the front cover 120 away from the rear shell 110 forms an end surface 121. The front cover 120 includes a sound outlet 126 protruding from the end surface 121. The sound outlet 126 is a cylindrical structure. The sound outlet 126 is provided with a first sound outlet channel 128 connected to the storage space. The sound emitted by the speaker 130 can be transmitted through the first sound outlet channel 128. The end of the sound outlet 126 away from the end surface 121 is provided with a first clamping position 127, and the first clamping position 127 is arranged around the outer periphery of the sound outlet 126. The outer contour diameter of the cross section of the first clamping position 127 is greater than the diameter of the outer contour of the cross section of the sound outlet 126, so that when the first earplug 200 or the second earplug 300 is installed on the main body 100, the first clamping position 127 can clamp the first earplug 200 or the second earplug 300 to prevent the first earplug 200 or the second earplug 300 from falling off. In one embodiment, the front cover 120 is an integrally formed structure. In another embodiment, the outer contour of the cross section of the sound outlet 126 can also be a polygon such as a triangle, a quadrilateral, a pentagon, etc., which is not specifically limited here.

[0062] like Fig.11 and Fig.12As shown, in one embodiment, the first earplug 200 can be installed on the main body 100 and can be removed from the main body 100. A second sound outlet channel 220 is provided inside the first earplug 200. When the first earplug 200 is installed on the main body 100, the first sound outlet channel 128 is connected with the second sound outlet channel 220, so that the sound emitted by the speaker 130 can be transmitted through the first sound outlet channel 128 and the second sound outlet channel 220. The first earplug 200 is provided with a second clamping position 210, and the second clamping position 210 can cooperate with the first clamping position 127 so that the first earplug 200 is installed on the main body 100 and will not fall off from the main body 100. The second clamping position 210 is located in the second sound outlet channel 220 and is a soft structure with elasticity. During the process of installing the first earplug 200 on the main body 100, as the first earplug 200 approaches the main body 100, the second clamping position 210 contacts the first clamping position 127. The first clamping position 127 is made of a harder material, while the second clamping position 210 is made of a softer material. Through squeezing, the second clamping position 210 is deformed, providing a channel for the first clamping position 127 so that the second clamping position 210 can move to the side of the first clamping position 127 facing the front cover 120. The first clamping position 127 and the second clamping position 210 are engaged, and an interference fit is formed between the second clamping position 210 and the surface of the sound outlet 126 to prevent air from flowing between the second clamping position 210 and the surface of the sound outlet 126. In one embodiment, the material of the first earplug 200 can be a soft material such as rubber, and the first earplug 200 is an integrally formed structure.

[0063] like Fig.13 and Fig.14As shown, in one embodiment, the second earplug 300 can be installed on the main body 100 and can be removed from the main body 100. A third sound outlet channel 320 is provided inside the second earplug 300. When the second earplug 300 is installed on the main body 100, the first sound outlet channel 128 is connected to the third sound outlet channel 320, so that the sound emitted by the speaker 130 can be transmitted through the first sound outlet channel 128 and the third sound outlet channel 320. The second earplug 300 is provided with a third clamping position 320, and the third clamping position 320 can cooperate with the first clamping position 127 so that the second earplug 300 is installed on the main body 100 and will not fall off the main body 100. The third clamping position 320 is located in the third sound outlet channel 320 and is a soft structure with elasticity. During the installation of the second earplug 300 on the main body 100, as the second earplug 300 approaches the main body 100, the third clamping position 320 contacts the first clamping position 127. The first clamping position 127 is made of a harder material, while the third clamping position 320 is made of a softer material. Through extrusion, the third clamping position 320 is deformed, providing a channel for the first clamping position 127 so that the third clamping position 320 can move to the side of the first clamping position 127 facing the front cover 120. The first clamping position 127 and the third clamping position 320 are engaged, and an interference fit is formed between the third clamping position 320 and the surface of the sound outlet 126 to prevent air from flowing between the third clamping position 320 and the surface of the sound outlet 126. In one embodiment, the material of the second earplug 300 can be a soft material such as rubber, and the second earplug 300 is an integrally formed structure.

[0064] like Fig.11 As shown, in one embodiment, the front cover 120 is provided with an air leakage hole 122, and the air leakage hole 122 extends to the end surface 121, that is, the air leakage hole 122 penetrates the front cover 120 in the thickness direction of the front cover 120, so that the air inside the main body 100 can flow out. The air leakage hole 122 is close to the sound outlet 126 and there is a certain distance between the sound outlet 126. When the first earplug 200 is installed on the main body 100, the contour of the edge of the first earplug 200 coincides with the contour of the edge of the end surface 121, the first earplug 200 and the main body 100 form an integral shape, and the first earplug 200 covers and closes the air leakage hole 122. The distance between the end of the first earplug 200 away from the main body 100 and the end surface 121 is L1. When the user wears the earphone 10 with the first earplug 200, the first earplug 200 enters the ear canal 20, and the depth of entering the ear canal 20 is shallow, and the rest of the earphone 10 is located outside the ear canal 20. The first earplug 200 fits the ear canal 20 closely and can be deformed with the shape of the ear canal 20, so that the seal between the earphone 10 and the ear canal 20 is better, and the airtightness of the earphone front cavity 40 is better than that of the traditional semi-in-ear earphone, so that the earphone 10 has a better sound insulation effect and a better low-frequency response in the acoustic performance. For different groups of people, the first earplug 200 of different sizes can be designed according to the size of the ear canal 20, so that the earphone 10 of the present application can adapt to different groups of people.

[0065] like Fig.13 As shown, in one embodiment, when the second earplug 300 is installed on the main body 100, the area of ​​the area enclosed by the outline of the edge of the second earplug 300 is smaller than the area of ​​the area enclosed by the outline of the edge of the end face 121, and there is a gap between the second earplug 300 and the end face 121, and the end face 121 is not covered by the second earplug 300, so that the vent hole 122 is exposed. The distance between the end of the second earplug 300 away from the main body 100 and the end face 121 is L2, and L2 is greater than L1. When the user wears the earphone 10 with the second earplug 300, the second earplug 300 enters the ear canal 20, and the depth of entering the ear canal 20 is deeper, and the rest of the earphone 10 is located outside the ear canal 20. The second earplug 300 can fit the ear canal 20 more closely, and can be deformed along with the shape of the ear canal 20, thereby improving the comfort of the user. The air leakage hole 122 of the earphone 10 will not be covered by the second earplug 300, so that the gas inside the main body 100 can flow out from the air leakage hole 122, which can reduce the air tightness of the earphone front cavity 40, and can solve the problem of poor wearing experience caused by the pressure difference between the inside and outside of the ear canal 20 when wearing in-ear earphones. At the same time, it also makes the air tightness and acoustic characteristics of the earphone 10 in the in-ear form closer to the semi-in-ear earphone, so that the sound quality experience base of the earphone 10 in the semi-in-ear form and the in-ear form remains unchanged. For different groups of people, the second earplug 300 of different sizes can be designed according to the size of the ear canal 20, so that the earphone 10 of the present application can adapt to different groups of people.

[0066] In another embodiment, the vent hole 122 is located on the hole wall of the sound outlet 126 and at one end of the sound outlet 126 close to the end surface 121. When the first earplug 200 is installed on the main body 100, the vent hole 122 is covered and sealed by the second clamping position 210, and the airtightness of the earphone front cavity 40 is better than that of the traditional semi-in-ear earphone, so that the earphone 10 has a better sound insulation effect and a better low-frequency response in the acoustic performance. When the second earplug 300 is installed on the main body 100, the air leakage hole 122 is located on the side of the third clamping position 320 close to the end surface 121, so that the air leakage hole 122 will not be sealed by the third clamping position 320, that is, the air leakage hole 122 will not be covered or sealed by the second earplug 300, so that the gas inside the first sound outlet channel 128 can flow out from the air leakage hole 122, which can reduce the airtightness of the earphone front cavity 40, and can solve the problem of poor wearing experience caused by the air pressure difference inside and outside the ear canal 20 when wearing in-ear earphones. At the same time, it also makes the airtightness and acoustic characteristics of the earphone 10 in the in-ear form closer to the semi-in-ear earphone, so that the sound quality experience base of the earphone 10 in the semi-in-ear form and the in-ear form remains unchanged.

[0067] like Fig.15As shown, in one embodiment, the front cover 120 does not have an air leakage hole 122. When the second earplug 300 is installed on the main body 100, the third clamping position 320 is engaged with the first clamping position 127, and there is a gap 123 between the third clamping position 320 and the sound outlet 126, forming an air leakage channel of the earphone 10, reducing the airtightness between the second earplug 300 and the sound outlet 126, so that the air inside the main body 100 can flow out through the first sound outlet channel 128, the third sound outlet channel 320 and the gap 123 in sequence, reducing the airtightness of the earphone front cavity 40, and solving the problem of poor wearing experience caused by the air pressure difference between the inside and outside of the ear canal 20 when wearing an in-ear earphone. At the same time, the airtightness and acoustic characteristics of the earphone 10 in the in-ear form are closer to those of a semi-in-ear earphone, so that the sound quality experience substrate of the earphone 10 in the semi-in-ear form and the in-ear form remains unchanged.

[0068] like Fig.16 and Fig.17 As shown, in one embodiment, the front cover 120 does not have an air leakage hole 122, and the third clamping position 320 of the second earplug 300 has a notch 124. When the second earplug 300 is installed on the main body 100, the third clamping position 320 is engaged with the first clamping position 127, and the notch 124 on the third clamping position 320 forms an air leakage channel of the earphone 10, so that the air inside the main body 100 can flow out through the first sound outlet channel 128, the third sound outlet channel 320 and the notch 124 in sequence, reducing the air tightness of the earphone front cavity 40, and solving the problem of poor wearing experience caused by the air pressure difference between the inside and outside of the ear canal 20 when wearing an in-ear earphone. At the same time, the air tightness and acoustic characteristics of the earphone 10 in the in-ear form are closer to those of a semi-in-ear earphone, so that the sound quality experience base of the earphone 10 in the semi-in-ear form and the in-ear form remains unchanged.

[0069] The earphone 10 of the present application can change the ear insertion depth of the earphone 10 by detachably installing the first earplug 200 or the second earplug 300 of different sizes and shapes on the main body 100, so that the earphone 10 can be switched between a semi-in-ear earphone and an in-ear earphone, and the acoustic characteristics of the earphone front cavity 40 can be adjusted, thereby adjusting the acoustic performance of the earphone 10. When the first earplug 200 is installed on the main body 100, the earphone 10 is a semi-in-ear earphone. When the user wears the earphone 10, the first earplug 200 enters the ear canal 20, does not cause pressure on the ear canal 20, and is not easy to fall off, so that the user has a better wearing experience. The first earplug 200 enters the ear canal 20 and can fit well with the ear canal 20, with a better sound insulation effect, so that the airtightness of the earphone front cavity 40 is better, and the acoustic performance of the earphone 10 is improved. When the second earplug 300 is installed on the main body 100, the earphone 10 is an in-ear earphone. When the user wears the earphone 10, the second earplug 300 enters the ear canal 20, does not cause pressure on the ear canal 20 and is not easy to fall off, so that the user has a better wearing experience. The second earplug 300 can reduce the airtightness of the earphone front cavity 40 through the air leakage hole 122 or the air leakage channel, avoid the formation of air pressure difference between the ear canal 20 and the outside, thereby avoiding the sound of speaking from forming an echo in the ear canal 20, and improving the open feeling of the sound quality of the earphone 10. The ear insertion depth of the second earplug 300 when assembled on the main body 100 is less than that of the traditional in-ear earphone, so as to improve the problem of the intrusion feeling when the user wears the earphone 10. When the first earplug 200 is installed on the main body 100 and the second earplug 300 is installed on the main body 100, the airtightness of the earphone front cavity 40 is basically the same, so that the earphone 10 has similar acoustic characteristics in the two states, and the sound quality of the earphone 10 in the two states is not easily affected.

[0070] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An earphone capable of being worn in an ear canal, characterized in that: The earphone comprises: A main body, the main body includes a front cover, the front cover includes an end surface and a sound outlet, the sound outlet protrudes from the end surface, and the main body is provided with an air leakage hole; a first earplug, which can be mounted on the sound outlet to cover the air leakage hole, and when the earphone is worn in the ear canal, the circumference of the first earplug fits the ear canal; the first earplug can also be detached from the sound outlet; and A second earplug can be installed on the sound outlet so that the air leakage hole is exposed, and when the earphone is worn in the ear canal, the air leakage hole is located on a side of the main body facing the ear canal, and the circumference of the second earplug can fit the ear canal; the second earplug can also be detached from the sound outlet; When the second earplug is installed on the sound outlet, the air leakage hole can reduce the air tightness of the front cavity of the earphone, so that the air tightness when the second earplug is installed on the sound outlet is close to the air tightness when the first earplug is installed on the sound outlet.

2. The earphone according to claim 1, characterized in that The front cover is provided with a first sound outlet channel; the first earplug is provided with a second sound outlet channel, and when the first earplug is installed in the sound outlet mouth, the second sound outlet channel is connected with the first sound outlet channel; the second earplug is provided with a third sound outlet channel, and when the second earplug is installed in the sound outlet mouth, the third sound outlet channel and the air vent are respectively connected with the first sound outlet channel.

3. The earphone according to claim 2, characterized in that The first sound outlet channel is located at the sound outlet mouth, and a first clamping position surrounding the outer circumference of the sound outlet mouth is provided at the end of the sound outlet mouth; the first earplug includes a second clamping position, and the first clamping position can be engaged with the second clamping position, so that the first earplug is installed in the sound outlet mouth, and the second clamping position is interference fit with the sound outlet mouth; the second earplug includes a third clamping position, and the first clamping position can be engaged with the third clamping position, so that the second earplug is installed in the sound outlet mouth.

4. The earphone according to claim 3, characterized in that: The main body comprises a rear shell, the front cover covers the rear shell, and an end of the front cover away from the rear shell forms the end surface.

5. The earphone according to claim 4, characterized in that: The air leakage hole is located in the front cover; when the first earplug is installed on the sound outlet, the entire structure of the sound outlet is located inside the first earplug, the edge contour line of the first earplug coincides with the edge contour line of the end face, and the first earplug covers and closes the air leakage hole; when the second earplug is installed on the sound outlet, part of the structure of the sound outlet is located inside the second earplug, and there is a gap between the second earplug and the end face, and the air leakage hole is exposed.

6. The earphone according to claim 5, characterized in that The air leakage hole is located on the hole wall of the sound outlet. When the second earplug is installed on the sound outlet, the air leakage hole is located on a side of the third clamping position close to the end surface.

7. The earphone according to claim 5, characterized in that The air leakage hole is located on the end surface, and there is a gap between the air leakage hole and the sound outlet.

8. The earphone according to claim 4, characterized in that The rear shell and the front cover together form a receiving space, and a speaker is arranged in the receiving space.

9. The earphone according to any one of claims 1 to 8, characterized in that: The first earplug and the second earplug are made of rubber.

10. The earphone according to claim 4, characterized in that The main body includes a side surface connected to the outer periphery of the end surface; when the first earplug is installed on the sound outlet, it protrudes outward from the end surface and one end of the first earplug facing the outside of the ear canal is connected to the side surface; When the second earplug is installed on the sound outlet, it protrudes outward from the end surface and the circumferential width of the second earplug is smaller than the width of the end surface.

11. The earphone according to claim 10, characterized in that The distance that the end of the first earplug facing away from the main body protrudes from the end surface is L1, and the distance that the end of the second earplug facing away from the main body protrudes from the end surface is L2, and L2≥L1.

Images