WO2022262755A1

WO2022262755A1 - Ear cap structure and earphone

Info

Publication number: WO2022262755A1
Application number: PCT/CN2022/098875
Authority: WO
Inventors: 邓圆保
Original assignee: 安克创新科技股份有限公司
Priority date: 2021-06-17
Filing date: 2022-06-15
Publication date: 2022-12-22
Also published as: CN215529267U

Abstract

An ear cap structure for an earphone and an earphone. The ear cap structure can be sleeved on a sound outlet of the earphone. The ear cap structure comprises: a first cap body, wherein the first cap body comprises a first end and a second end which are arranged opposite each other, and the first end is in the shape of an opening; and a second cap body, wherein the second cap body comprises a first end face and a second end face opposite the first end face, the first end face of the second cap body is connected to the second end of the first cap body, the second cap body is provided with a groove, and the second cap body is made of an elastic material. When the second cap body is placed and squeezed into an ear canal, the distance between the second end of the first cap body and the second end face of the second cap body is shortened from a first distance when the second cap body is not squeezed to a second distance when the second cap body is squeezed, so as to allow for adjustment of the length of the ear cap structure, such that the ear cap better matches the ear canal of a user of the earphone.

Description

A kind of ear hat structure and earphone

manual

technical field

The present application relates to the technical field of earphones, in particular to an ear cap structure for earphones and earphones.

Background technique

Earphones, especially in-ear earphones, are earphones used inside the ear canal of the human body. When in use, they are plugged at the entrance of the user's ear canal to seal the user's (also referred to as the user's) ear canal. This airtightness provides two functions: 1. Reduce the interference of external noise on voice, video, music and other audio. 2. Provide a closed environment, which reduces the leakage of audio signals, makes the low frequency strong and powerful, and at the same time prevents the audio signals from affecting the external environment. The catheter of this earphone will be connected to the earmuff and inserted into the front half of the user's ear canal to create a sealed listening environment.

However, because the ear shape (especially the shape of the ear canal) is different for different users, some users need to adjust the length of the ear cap to achieve better wearing comfort, while the traditional ear cap cannot adjust the length by itself etc. Usually, the user is equipped with ear caps of various sizes to meet the needs of different users for earmuffs, but the user actually only needs a pair of suitable ear caps, resulting in the loss of other equipped ear caps. waste, increased costs.

Therefore need to improve ear cap, to solve the above problems.

Contents of the invention

One aspect of the present application provides an ear cap structure for earphones, the ear cap structure can be sleeved on the sound outlet of the earphone, and the ear cap structure includes:

a first cap body, the first cap body includes a first end and a second end, the first end and the second end are oppositely arranged, and the first end is open;

The second cap body, the second cap body includes a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected to the second end face of the first cap body The ends are fixedly connected, the second cap body is provided with a groove, the second cap body is made of elastic material, when the second cap body is placed in the ear canal and is squeezed, the first cap body The distance between the second end of the second cap and the second end surface of the second cap body is shortened from the first distance when not being squeezed to the second distance when being squeezed.

Another aspect of the present application also provides an earphone, the earphone includes at least one sound outlet and an ear cap structure, the ear cap structure is sleeved on the sound outlet, wherein the ear cap structure includes:

The second cap body, the second cap body includes a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected to the second end face of the first cap body end connection, the second cap body is provided with a groove, the second cap body is made of elastic material, when the second cap body is placed in the ear canal and is squeezed, the first cap body The distance between the second end and the second end surface of the second cap is shortened from the first distance when not being squeezed to the second distance when being squeezed.

In order to solve the above-mentioned technical problems existing at present, in the ear cap structure of the present application, the second cap body is made of elastic material and the second cap body is provided with a groove, so when the second cap body is placed in the ear canal and is squeezed , the second cap body undergoes elastic deformation and moves toward the entrance of the ear canal, the distance between the second end of the first cap body and the second end surface of the second cap body far away from the first cap body is changed by the first distance shortened to the second distance, thereby shortening the length of the entire ear cap structure, and the degree of extrusion is different, the length of the second distance will be different, so as to realize the adjustment of the length of the ear cap structure, so that the ear cap and the earphone The user's ear canal can be better matched, the user's wearing comfort is improved, and the user's experience is improved. Moreover, since the length of the ear cap structure of the present application can be adjusted, it can be flexibly applied to people with different ear canals. Different users, and thus the user does not need to be equipped with multiple ear caps, which avoids waste caused by too many ear caps and reduces costs.

Description of drawings

The following drawings of the application are hereby considered as part of the application for understanding the application. The accompanying drawings show the embodiments of the present application and their descriptions, which are used to explain the device and principle of the present application. In the attached picture,

Fig. 1 is the front view of the ear cap structure in an embodiment of the present application;

Fig. 2 is a partial schematic diagram of the ear cap structure after part of the first cap body is removed in an embodiment of the present application;

Fig. 3 is a three-dimensional cross-sectional view of an ear cap structure in an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of an ear cap structure according to an embodiment of the present application.

Reference signs:

Ear cap structure 100

First cap body 101

Second cap body 102

Connection Kit 103

Groove 1021

Through hole 1022

detailed description

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present application.

It should be understood that the present application can be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.

It will be understood that, although the terms first, second, third etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.

Spatial terms such as "below", "below", "below", "under", "on", "above", etc., in This may be used for convenience of description to describe the relationship of one element or feature to other elements or features shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures.

Embodiments of the present application are described herein with reference to cross-section illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of the present application. As such, variations from the shapes shown are to be expected due to, for example, manufacturing techniques and/or tolerances. Thus, embodiments of the present application should not be limited to the particular shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions shown in the figures are schematic in nature and their shapes are not intended to show the actual shape of a region of a device and are not intended to limit the scope of the application.

In order to solve the problem of waste and increased cost caused by the large number of earmuffs currently equipped by users, this application proposes an ear cap structure for earphones. The ear cap structure can be set on the sound outlet of the earphone. The ear cap The structure includes: a first cap body, the first cap body includes a first end and a second end, the first end and the second end are oppositely arranged, and the first end is open; the second cap body, the second cap body It includes a first end face and a second end face opposite to the first end face, the first end face of the second cap is connected to the second end of the first cap; the second cap is provided with a groove; the second cap is made of elastic material Made, when the second cap is placed in the ear canal and is squeezed, the distance between the second end of the first cap and the second end of the second cap is shortened from the first distance when not squeezed is the second distance when being squeezed.

In the ear cap structure of the present application, the second cap body is made of elastic material and a groove is arranged in the second cap body, so when the second cap body is placed in the ear canal and is squeezed, the second cap body elastically deforms, And moving toward the ear canal entrance, the distance between the second end of the first cap and the second end of the second cap away from the first cap is shortened from the first distance to the second distance, thereby shortening the The length of the entire ear cap structure, and the degree of extrusion is different, the length of the second distance will also be different, so as to realize the adjustment of the length of the ear cap structure, so that the ear cap and the ear canal of the earphone user can be better matched , improve the user's wearing comfort, improve the user's experience, and, because the length of the ear cap structure of the present application can be adjusted, it can be flexibly applied to different users with different ear canals, and then the user does not need to equip A variety of ear caps avoid the waste caused by too many ear caps and reduce the cost.

Next, with reference to accompanying drawings 1 to 4, the ear cap structure for the earphone of the embodiment of the present application is described in more detail, wherein, Fig. 1 is a front view of the ear cap structure in an embodiment of the present application; Fig. 2 is the structure of the ear cap of the present application A partial schematic view of the structure of the ear cap after part of the first cap body is removed in an embodiment; FIG. 3 is a three-dimensional sectional view of the structure of the ear cap in an embodiment of the present application; FIG. 4 is a schematic cross-sectional view of the structure of the ear cap in an embodiment of the present application .

As an example, the present application provides an ear cap structure for earphones, the ear cap structure can be sleeved on the mouthpiece of the earphone, as shown in FIG. 1, the ear cap structure 100 includes a first cap body 101, the A cap body 101 includes a first end and a second end, and the first end and the second end are arranged opposite to each other. When the ear cap structure 100 is set on the mouthpiece of the earphone, the first end is closer to the earphone than the second end. Speech mouth. In other examples, the second end may also be closer to the mouthpiece of the earphone than the first end.

Optionally, the inside of the first cap 101 is a hollow structure, and the first end of the first cap 101 is open. In one example, the shape of the first cap body 101 can be any suitable shape, such as semi-spherical, ellipsoidal, cylindrical, etc. Optionally, along the direction in which the mouthpiece of the earphone is inserted into the ear canal, the first cap The radial dimension of the body 101 may gradually increase and then gradually decrease. Through such a setting, the first cap body 101 is plugged at the entrance of the user's ear canal during use, which can improve the sealing of the ear canal, reduce the interference of external noise on audio such as call voice, video, music, etc., and reduce the audio signal. The leakage makes the low frequency strong and powerful, and at the same time prevents the audio signal from affecting the external environment.

Optionally, the first cap body 101 may be made of elastic material, which may include but not limited to silicone or any other elastic material. Since the first cap body 101 is elastic and its interior is hollow, when the part of the first cap body 101 that is in contact with the ear is squeezed, it will also apply an expansion force to the ear, which can better fit the entrance of the ear canal and improve the sealing performance. , At the same time, it can also prevent the ear cap from falling off from the ear canal when wearing, and improve the stability of wearing.

Further, the ear cap structure 100 of the present application also includes a second cap body 102, the second cap body 102 includes a first end face and a second end face opposite to the first end face, the first end face of the second cap body 102 is connected to the first cap body The second end of the body 101 is connected, the second cap body 102 is provided with a groove 1021, the second cap body 102 is made of elastic material, when the second cap body 102 is placed in the ear canal and is squeezed, the first cap body The distance between the second end of the body 101 and the second end surface of the second cap body 102 is shortened from the first distance to the second distance, and the second end surface of the second cap body 102 is far away from the first cap body 101, wherein the first The distance may refer to the second end of the first cap 101 and the second end of the second cap 102 away from the first cap 101 when the second cap 102 is not squeezed (that is, when no deformation occurs). Distance between end faces. In the ear cap structure 100 of the present application, the second cap body 102 is made of elastic material and the second cap body 102 is provided with grooves 1021. In one example, there are multiple grooves 1021, and each groove 1021 is for surrounding the first The annular groove 1021 on the central axis of the two caps 102 , the plurality of grooves 1021 are sequentially connected along the axial direction of the second cap 102 , thereby enclosing and constituting the entire cavity in the second cap 102 . In another example, there are multiple grooves, and the multiple grooves are distributed at intervals on the surface of the second cap body 102 and are recessed toward the inside of the second cap body 102, that is, towards the central axis of the second cap body 102. The direction is concave, and the groove can be in the shape of pit, hemisphere, drop, square, etc., and the size can be set according to needs. In another example, at least one of the grooves may be an annular groove 1021 , and other grooves may be in other arbitrary shapes.

Since the second cap body 102 is provided with a groove 1021, when the second cap body 102 is placed in the ear canal and is squeezed, the second cap body 102 will elastically deform toward the entrance of the ear canal, and move toward the ear canal. The direction of the inlet is moved, so that the distance between the second end of the first cap body 101 and the second end surface of the second cap body 102 away from the first cap body 101 is shortened from the first distance when not being squeezed to being squeezed. The second distance when pressed, thereby shortening the axial length of the entire ear cap structure 100, and the degree of being squeezed is different (that is, the squeezed force is different), so that the value of the second distance will also be different, In order to realize the adaptive adjustment of the length of the ear cap structure 100, so as to better match the ear cap and the ear canal of the earphone user, improve the wearing comfort of the user, and enhance the user experience. The length of the cap structure 100 can be adaptively adjusted and matched according to the structure of the user's ear canal, so it can be applied to different users with different ear canals, and the user does not need to be equipped with a variety of ear caps, which avoids excessive configuration of ear caps. The waste caused by the cap reduces the cost.

In the embodiment of the present application, the second cap body 102 is fixedly connected with the second end of the first cap body 101, for example, the second cap body 102 and the first cap body 101 are integrally formed, and the first cap body 101 and the second cap body The outer contour of 102 is streamlined, and the second cap body 102 is connected with the second end of the first cap body 101, that is, the second end of the first cap body 101 is also the second end of the second cap body 102 when integrally formed. On one end face, the first end of the first cap body 101 is open, so it can be sleeved on the sound outlet of the earphone.

Alternatively, the second cap body 102 and the first cap body 101 may also be connected through other suitable connection structures such as elastic connection structures and the like.

In one example, the diameter of the second cap body 102 decreases gradually along the insertion direction of the mouthpiece of the earphone, so that the outer contour of the second cap body 102 is inclined, and when the outer contour of the second cap body 102 is squeezed , can generate pressure toward the entrance of the ear canal, so that the groove 1021 provided on the second cap body 102 shrinks, that is, the space in the groove 1021 becomes smaller, so that the second cap body 102 is relatively Before extrusion, deformation occurs toward the entrance of the ear canal, thereby shortening the length of the entire ear cap structure 100 .

In order to achieve better sealing performance, the radial dimension of the second cap body 102 is smaller than the radial dimension of the first cap body 101. When the ear cap structure 100 is inserted into the ear canal, the first cap body 101 is at the entrance of the ear canal. The second cap body 102 is located inside the ear canal relative to the first cap body 101, therefore, the first cap body 101 with a larger size can better seal the ear canal and fix the earphone, while the second cap body The body 102 is usually located in the ear canal. Such an arrangement can also avoid the problem that the size of the second cap body 102 is too large to cause excessive pressure on the ear canal and affect the wearing comfort.

In one example, the second cap body 102 is made of an elastic material, wherein the elastic material includes silica gel or any other suitable elastic material, and the second cap body 102 is made of an elastic material such as silica gel, so it has good deformation and Restorative power and more comfortable to use. The first cap body 101 and the second cap body 102 can be made of the same elastic material, or can also be made of different elastic materials. Optionally, the thickness of the sidewall of the second cap body 102 is relatively thin, for example, the thickness of the sidewall of the second cap body 102 is between 0.3 mm and 0.8 mm, or other suitable thicknesses. By setting the thickness of the side wall of the second cap body 102 to be thinner, the second cap body 102 has better elasticity and is easier to deform when being squeezed, so that the length of the entire ear cap structure 100 can be adjusted by stretching, In order to meet the wearing comfort requirements of different users.

In one example, the thickness of the side wall of the first cap body 101 can be thicker than that of the side wall of the second cap body 102, so that the first cap body 101 has a good outward expansion force when being squeezed , improve the sealing performance, and when the second cap body 102 is squeezed, it can be more easily deformed toward the entrance of the ear canal, thereby making the ear cap structure 100 more stretchable and adjustable, so as to meet the wearing comfort of different users sexual needs.

Further, the second end surface of the second cap body 102 (that is, the second end away from the first cap body 101) is provided with a through hole 1022, and the through hole 1022 communicates with the cavity formed by the bottom of the groove 1021. The diameter of the hole 1022 is smaller than the diameter of the cavity formed by the bottom of the groove 1021 , wherein the cavity formed by the bottom of the groove 1021 may be a part of the entire cavity in the second cap body 102 .

In one example, as shown in FIG. 2 to FIG. 4 , the ear cap structure 100 further includes a connection kit 103 fixedly arranged in the first cap body 101. The connection kit 103 can be sleeved on the mouthpiece of the earphone. 103 is, for example, a casing. The connection kit 103 can also be made of elastic material, which can be integrally formed with the first cap body 101 and the second cap body 102, or fixedly connected inside the first cap body 101 or fixedly connected to the second cap body by other means. body 102. In one example, the central axis of the connecting sleeve 103 coincides with the central axis of the first cap body 101 , and the diameter of the connecting sleeve 103 is smaller than the diameter of the first cap body 101 . Optionally, when a protruding part (such as a conduit shape) is provided on the sound outlet of the earphone, the connecting sleeve 103 can be sleeved on the protruding part, thereby realizing that the entire earmuff structure is sleeved and fixed on the sound outlet. On the mouth, wherein, the diameter of the connecting sleeve 103 may be smaller than the diameter of the protruding part, so that the connecting sleeve 103 can be sleeved on the protruding part more stably.

To sum up, according to the ear cap structure of the present application, it includes a second cap body, the second cap body is made of elastic material, and when the second cap body is squeezed, it elastically deforms toward the entrance of the ear canal, thereby shortening The length of the entire ear cap structure is adjusted to achieve adaptive adjustment of the length of the ear cap structure, so that the ear cap and the ear canal of the earphone user can be better matched, the user's wearing comfort is improved, and the user's experience is improved. Moreover, since the length of the ear cap structure of the present application can be adjusted, it can be applied to different users of different ear canals, and the user does not need to be equipped with multiple ear caps at the same time, avoiding the waste caused by too many ear caps. Reduced costs.

Further, the present application also provides an earphone, the earphone includes at least one sound outlet and the ear cap structure 100 in any of the above-mentioned embodiments, the ear cap structure 100 is sleeved on the sound outlet, and the ear cap structure 100 For the description, reference may be made to the foregoing, which will not be repeated in this embodiment.

The headset includes a pair of conversion units, which receive electrical signals from a media player or receiver, and convert them into audible sound waves using speakers close to the ears. The earphone in this embodiment of the present application may be any in-ear earphone, such as a wired in-ear earphone, a wireless in-ear earphone (such as a Bluetooth earphone), and the like.

When the earphone is a wired in-ear earphone, it can include two sound outlets, one corresponding to the left sound channel, one corresponding to the right sound channel, and each sound outlet is connected to its own earphone line respectively, and Connect to the earphone plug, the type of the earphone plug can be any suitable type known to those skilled in the art, the earphone plug can be inserted into the jack of the media player or receiver, and then receive the electrical signal sent from the media player or receiver , which is converted into audible sound waves using speakers close to the ear.

For wireless earphones, such as bluetooth earphones, it can have a sound outlet or two sound outlets, and also has a bluetooth module, which is used to receive electrical signals from media players or receivers, and then use the proximity The ear speakers convert this into audible sound waves.

To sum up, the earphone of the present application has the same advantages as the aforementioned ear cap structure because it includes the aforementioned ear cap structure.

Although example embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above-described example embodiments are exemplary only, and are not intended to limit the scope of the application thereto. Various changes and modifications can be made therein by those of ordinary skill in the art without departing from the scope and spirit of the application. All such changes and modifications are intended to be included within the scope of this application as claimed in the appended claims.

Claims

An ear cap structure for earphones, characterized in that the ear cap structure can be sleeved on the sound outlet of the earphone, and the ear cap structure includes:

a first cap body, the first cap body includes a first end and a second end, the first end and the second end are oppositely arranged, and the first end is open;

The second cap body, the second cap body includes a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected to the second end face of the first cap body end connection, the second cap body is provided with a groove, the second cap body is made of elastic material, when the second cap body is placed in the ear canal and is squeezed, the first cap body The distance between the second end and the second end surface of the second cap is shortened from the first distance when not being squeezed to the second distance when being squeezed.
The ear cap structure according to claim 1, wherein the diameter of the second cap body gradually decreases along the direction in which the mouthpiece of the earphone is inserted into the ear canal.
The ear cap structure according to claim 1, wherein the radial dimension of the second cap body is smaller than the radial dimension of the first cap body.
The ear cap structure according to claim 1, wherein the second end surface of the second cap body is provided with a through hole, the through hole and the cavity formed by the bottom of the groove The diameter of the through hole is smaller than the diameter of the cavity formed by the bottom of the groove.
The earcap structure according to claim 1, wherein there are multiple grooves, and at least one of the grooves is an annular groove around the central axis of the second cap body.
The ear cap structure according to claim 1, wherein there are a plurality of said grooves, and a plurality of said grooves are distributed at intervals on the surface of said second cap body and face to the side of said second cap body. Debossed inside.
The ear cap structure according to claim 1, wherein the thickness of the side wall of the second cap body is between 0.3 mm and 0.8 mm.
The ear cap structure according to claim 1, characterized in that, the ear cap structure further comprises a connection set arranged in the first cap body, and the connection set can be sleeved on the sound outlet of the earphone. mouth.
The ear cap structure according to claim 8, wherein the central axis of the connecting sleeve coincides with the central axis of the first cap body, and the diameter of the connecting sleeve is smaller than the diameter of the first cap body .
An earphone, characterized in that the earphone comprises at least one sound outlet and an ear cap structure, the ear cap structure is sleeved on the sound outlet, wherein the ear cap structure comprises:

a first cap body, the first cap body includes a first end and a second end, the first end and the second end are oppositely arranged, and the first end is open;

The second cap body, the second cap body includes a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected to the second end face of the first cap body end connection, the second cap body is provided with a groove, the second cap body is made of elastic material, when the second cap body is placed in the ear canal and is squeezed, the first cap body The distance between the second end and the second end surface of the second cap is shortened from the first distance when not being squeezed to the second distance when being squeezed.
The earphone according to claim 10, characterized in that, the diameter of the second cap gradually decreases along the direction in which the mouthpiece of the earphone is inserted into the ear canal.
The earphone according to claim 10, wherein the radial dimension of the second cap is smaller than the radial dimension of the first cap.
The earphone according to claim 10, wherein the second end surface of the second cap body is provided with a through hole, and the through hole communicates with the cavity formed by the bottom of the groove, The diameter of the through hole is smaller than the diameter of the cavity formed by the bottom of the groove.
The earphone according to claim 10, wherein there are multiple grooves, at least one of which is an annular groove around the central axis of the second cap body.
The earphone according to claim 10, wherein there are a plurality of said grooves, and a plurality of said grooves are distributed on the surface of the second cap at intervals and are recessed towards the inside of the second cap .
The earphone according to claim 10, wherein the thickness of the side wall of the second cap is between 0.3 mm and 0.8 mm.
The earphone according to claim 10, characterized in that, the ear cap structure further comprises a connection kit disposed in the first cap body, and the connection kit can be sleeved on the sound outlet of the earphone .
The earphone according to claim 17, wherein a central axis of the connecting sleeve coincides with a central axis of the first cap body, and a diameter of the connecting sleeve is smaller than a diameter of the first cap body.
The earphone according to claim 17, wherein a protruding part is arranged on the mouthpiece, and the connecting sleeve is sleeved on the protruding part.
The earphone of claim 19, wherein the diameter of the connecting sleeve is smaller than the diameter of the protrusion.