Earphone and earphone system

Abstract

The utility model discloses an earphone and an earphone system. The earphone comprises a shell, the shell comprises a sound making part and an ear clip part, the sound making part is provided with a containing cavity, a loudspeaker is arranged in the containing cavity, the ear clip part comprises a connecting sub-part and a hook-shaped sub-part, the connecting sub-part is connected with the sound making part, and under the condition that a user wears the earphone, the sound making part is configured to be at least partially located in the concha of the user, and the hook-shaped sub-part is configured to be at least partially located in the concha of the user. The ear clip part extends between the auricles and the head through the antihelix and the helix, the hook-shaped sub-part is provided with a first outer surface facing the sound outlet part and a width split surface, and in a first projection plane where the width split surface is located, the projection of the first outer surface has a closest point facing the projection of the sound outlet part in a first direction, and the projection of the first outer surface has a second direction facing the projection of the sound outlet part in a second direction. The first distance between the nearest point and the sound emitting part in the first direction is larger than or equal to 1 mm.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic devices, and more particularly, to an earphone and an earphone system. BACKGROUND

[0002] The auricle of a user includes an antihelix, a concha, and the like, which are irregular in shape and size and vary from individual to individual. In the related art, an earphone is difficult to adapt to different thicknesses of auricles, such that a user whose auricle thickness does not match the earphone needs to frequently adjust or increase the adjustment range when wearing the earphone, which causes the ear clip to be adjusted too much or too greatly, and the service life of the ear clip is greatly reduced. CONTENT OF THE UTILITY MODEL

[0003] To solve at least one of the above technical problems, the embodiments of the present application provide an earphone and an earphone system.

[0004] The earphone provided by the embodiments of the present application includes a shell, the shell includes a sound outlet portion and an ear clip portion, the earphone includes a first side and a second side opposite in a first direction A1, the sound outlet portion is located at the first side of the earphone, and the ear clip portion is located at the second side of the earphone. The sound outlet portion is provided with a receiving cavity, and a loudspeaker is arranged in the receiving cavity. The ear clip portion includes a connecting sub-portion and a hook-shaped sub-portion, the connecting sub-portion is connected between the sound outlet portion and the hook-shaped sub-portion, in the case that a user wears the earphone, the sound outlet portion is configured to be at least partially located in the concha of the user, and the ear clip portion extends to between the auricle and the head via the antihelix. The hook-shaped sub-portion has a first outer surface facing the sound outlet portion, the hook-shaped sub-portion has a width middle surface Pw, in a first projection plane Pw where the width middle surface Pw is located, a projection of the first outer surface has a nearest point NP of the projection facing the sound outlet portion in the first direction A1, and a first distance D1 between the nearest point NP and the sound outlet portion in the first direction A1 is greater than or equal to 1 mm.

[0005] In some embodiments, the first distance D1 is any value greater than or equal to 1.5 mm; or, the first distance D1 is any value greater than or equal to 2 mm; or, the first distance D1 is any value greater than or equal to 2.5 mm; or, the first distance D1 is any value greater than or equal to 3 mm; or, the first distance D1 is any value greater than or equal to 3.5 mm; or, the first distance D1 is any value greater than or equal to 3.7 mm; or, the first distance D1 is any value greater than or equal to 3.8 mm; or, the first distance D1 is any value greater than or equal to 3.9 mm; or, the first distance D1 is any value greater than or equal to 4.8 mm; or, the first distance D1 is any value greater than or equal to 5.8 mm; or, the first distance D1 is any value greater than or equal to 7 mm.

[0006] In some embodiments, the hook-shaped sub-portion extends away from the sound outlet portion first and then bends towards the sound outlet portion, so that the housing forms a wearing space for accommodating an auricle of a human body.

[0007] In some embodiments, the earphone comprises a first side and a second side opposite in the first direction A1, the sound outlet portion is located on the first side of the earphone, the ear clip portion is located on the second side of the earphone, the sound outlet portion comprises a sound emitting face and a back face opposite in the second direction A2, the sound emitting face is provided with a sound outlet hole for the loudspeaker to emit sound out of the sound outlet portion, and the first direction A1 is perpendicular to the second direction A2.

[0008] In some embodiments, in the first projection plane Pw, the projection of the ear clip portion comprises an inner contour and an outer contour, the outer contour has a convex point BP which is the point of the ear clip portion farthest from the sound outlet portion in the first direction A1, and the inner contour has a concave point CP which is located in the wearing space.

[0009] In some embodiments, the first distance D1 is greater than or equal to 2 mm when the earphone is worn by a user.

[0010] In some embodiments, the first distance D1 is any value greater than or equal to 2.2 mm, or any value greater than or equal to 2.5 mm, or any value greater than or equal to 2.7 mm, or any value greater than or equal to 3 mm, or any value greater than or equal to 3.2 mm, or any value greater than or equal to 3.5 mm, or any value greater than or equal to 3.7 mm, or any value greater than or equal to 4 mm, or any value greater than or equal to 4.8 mm, or any value greater than or equal to 5.8 mm, or any value greater than or equal to 7 mm, when the earphone is worn by the user.

[0011] In some embodiments, the first distance D1 is less than or equal to 4 mm, when the earphone is not worn.

[0012] In some embodiments, the first distance D1 is any value between 1.2 mm and 3.5 mm, or any value between 1.3 mm and 3 mm, or any value between 1.5 mm and 2.8 mm, or any value between 1.8 mm and 2.6 mm, or any value between 2 mm and 2.4 mm.

[0013] In some embodiments, with a reference line RE being a straight line parallel to the second direction A2 and passing through the top point of the projection of the sound emitting face in the first projection face Pw, the ratio between the first distance D1 and the eleventh distance D11 between the highest point and the reference line RE in the first direction A1 is greater than or equal to 0.25 and less than or equal to 0.5.

[0014] In some embodiments, in the second direction A2, the hook-shaped sub-portion comprises a second outer surface facing the connecting sub-portion, the second outer surface being connected with the first outer surface, a projection of the second outer surface in the first projection face Pw has a first inflection point IP1 in the second direction A2 facing the connecting sub-portion, in the second direction A2, the first inflection point IP1 and the projection of the back face in the first projection face Pw have a third distance D3, the third distance D3 is greater than or equal to 6 mm and less than or equal to 15 mm, when the earphone is in the unworn state.

[0015] In some embodiments, the third distance D3 is any value between 7mm and 14mm; or, the third distance D3 is any value between 8mm and 13.1mm; or, the third distance D3 is any value between 9mm and 13mm; or, the third distance D3 is any value between 10mm and 12mm; or, the third distance D3 is any value between 11mm and 11.5mm.

[0016] In some embodiments, the third distance D3 is any value between 7mm and 14mm; or, the third distance D3 is any value between 8mm and 13.1mm; or, the third distance D3 is any value between 9mm and 13mm; or, the third distance D3 is any value between 10mm and 12mm; or, the third distance D3 is any value between 11mm and 11.5mm.

[0017] In some embodiments, the third distance D3 is any value between 8mm and 15mm; or, the third distance D3 is any value between 9mm and 14mm; or, the third distance D3 is any value between 10mm and 13.8mm; or, the third distance D3 is any value between 11mm and 13mm; or, the third distance D3 is any value between 12mm and 12.5mm.

[0018] In some embodiments, the projection of the second outer surface in the first projection plane Pw has a second inflection point IP2 in the second direction A2 towards the projection of the hook-shaped sub-portion, and a fourth distance D4 between the first inflection point IP1 and the second inflection point IP2 in the second direction A2 is greater than or equal to 4mm and less than or equal to 8mm.

[0019] In some embodiments, the fourth distance D4 is any value between 4.5mm and 7.7mm; or, the fourth distance D4 is any value between 4.6mm and 7.2mm; or, the fourth distance D4 is any value between 4.7mm and 7.1mm; or, the fourth distance D4 is any value between 5.2mm and 6.5mm; or, the fourth distance D4 is any value between 5.8mm and 5.9mm.

[0020] In some embodiments, the hook-shaped sub-portion further comprises a third outer surface opposite to the second outer surface in the second direction A2, and the first outer surface is connected to the second outer surface and the third outer surface, and a first maximum distance D5 between the projection of the third outer surface and the projection of the back surface in the first projection plane Pw and the second direction A2 is greater than or equal to 9mm and less than or equal to 18mm when the earphone is in the unworn state.

[0021] In some embodiments, the first maximum distance D5 is any value between 10 mm and 17 mm; or, the first maximum distance D5 is any value between 11 mm and 16 mm; or, the first maximum distance D5 is any value between 12 mm and 15.3 mm; or, the first maximum distance D5 is any value between 13 mm and 14 mm; or, the first maximum distance D5 is any value between 13.5 mm and 13.5 mm.

[0022] In some embodiments, the first maximum distance D5 is any value between 10 mm and 19 mm when the earphone is worn by a user.

[0023] In some embodiments, the first maximum distance D5 is any value between 11 mm and 18 mm; or, the first maximum distance D5 is any value between 12 mm and 17 mm; or, the first maximum distance D5 is any value between 12.8 mm and 16 mm; or, the first maximum distance D5 is any value between 13 mm and 15.2 mm; or, the first maximum distance D5 is any value between 14 mm and 15 mm.

[0024] In some embodiments, the projection of the second outer surface in the first projection plane Pw has a second inflection point IP2 in the second direction A2 towards the projection of the hook sub-portion, and a second maximum distance D6 between the projection of the third outer surface and the second inflection point IP2 in the first projection plane Pw and in the second direction A2 is greater than or equal to 1 mm and less than or equal to 5 mm when the earphone is not worn.

[0025] In some embodiments, the second maximum distance D6 is any value between 1.2 mm and 4.4 mm; or, the second maximum distance D6 is any value between 1.3 mm and 4.3 mm; or, the second maximum distance D6 is any value between 2.1 mm and 3.4 mm; or, the second maximum distance D6 is any value between 2.2 mm and 3.3 mm; or, the second maximum distance D6 is any value between 2.4 mm and 2.5 mm.

[0026] In some embodiments, the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.6 and less than or equal to 0.85 when the earphone is not worn.

[0027] In some embodiments, the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.65 and less than or equal to 0.9 when the earphone is worn by a user.

[0028] In some embodiments, the earphone further comprises a circuit board, a communication unit and a battery, the circuit board and the battery are accommodated in the accommodating cavity, the communication unit is arranged on the sound outlet, the communication unit, the battery and the loudspeaker are electrically connected with the circuit board, and the circuit board, the battery and the loudspeaker are sequentially arranged in the direction from the back surface of the shell to the sound outlet surface.

[0029] In some embodiments, the earphone further comprises a charging terminal, the charging terminal is at least partially accommodated in the accommodating cavity and exposed from the shell, and the charging terminal is electrically connected with the circuit board.

[0030] The earphone system comprises the earphone and the charging box.

[0031] In the earphone and the earphone system, the sound outlet is partially accommodated in the concha cavity, which is beneficial to the fixation of the earphone and the concha cavity, the ear clip part extends from the helix to the auricle and the head, which can further fix the earphone and improve the wearing firmness of the earphone. The first distance D1 is greater than or equal to 1 mm, which can match the thickness of the auricle of most people, reduce the adjustment frequency and amplitude of the ear clip part when the user wears it, and prolong the service life of the ear clip part.

[0032] Additional aspects and advantages of the embodiments of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0033] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings.

[0034] Figure 1 is a perspective structural schematic diagram of an earphone system according to some embodiments of the present application;

[0035] Figure 2 is Figure 1 is a perspective structural schematic diagram of an earphone in an earphone system shown in the figure from another view;

[0036] Figure 3 is Figure 1 is a perspective structural schematic diagram of an earphone in an earphone system shown in the figure from another view;

[0037] Figure 4 is Figure 1 is a perspective structural schematic diagram of an earphone in an earphone system shown in the figure from another view;

[0038] Figure 5is Figure 3 a schematic view of a part cross-section along a width mid-plane of the earphone shown in Fig. 1;

[0039] Figure 6 is Figure 3 a schematic view of a plan structure of the earphone shown in Fig. 1 from another perspective.

[0040] Explanation of main element symbols:

[0041] Earphone system 1000; earphone 100, housing 10, wearing space 101, accommodating cavity 102, first side 103, second side 105, sound outlet part 11, sound outlet face 111, sound outlet hole 1111, back face 113, ear clip part 13, connecting sub-part 131, hook-shaped sub-part 133, first outer surface 1331, second outer surface 1332, third outer surface 1333, loudspeaker 20, sound outlet face 21, circuit board 30, communication unit 40, battery 50, charging terminal 60, charging box 300. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the embodiments of the present application, and cannot be understood as limiting the embodiments of the present application.

[0043] In the description of the present application, it should be understood that the terms "thickness", "upper", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as limiting the present application. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0044] In the description of the present application, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, in one example, it can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected, or can communicate with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements.

[0045] Referring to Figures 1 to 3 The earphone system 1000 provided by the embodiments of the present application comprises the earphone 100 and the charging box 300. The charging box 300 is used for charging the earphone 100. In the embodiments of the present application, the earphone system 1000 comprises the earphone 100, and it can be understood that the earphone system 1000 at least comprises the same beneficial effects as the earphone 100. Therefore, the beneficial effects of the earphone system 1000 can be seen from the beneficial effects of the earphone 100 described below.

[0046] Please refer to Figure 4 The earphone 100 can be worn on the ear of a user and can be used in cooperation with a mobile phone, a computer, a smart wearable device (such as a smart watch, a smart bracelet, smart glasses, a smart helmet, etc.), a head-mounted device, a virtual reality device, and the like. It should be noted that the ear of the user includes the pinna, the external auditory canal, the concha cavity, the helix, and the antihelix, etc. The pinna is the external ear part on both sides of the head. The upper part of the pinna is supported by elastic cartilage, covered with skin and a small amount of subcutaneous tissue. The lower part of the pinna includes the earlobe, has no cartilage, and is mainly composed of connective tissue and fat, and is often used for blood sampling. The pinna is a part for collecting sound waves, and includes the front surface of the pinna close to the five organs and the back surface of the pinna opposite to the front surface of the pinna. The external auditory canal is an organ structure in the ear and is a channel for connecting the external ear and the middle ear, which can transmit sound waves from the outside to the eardrum. The helix refers to the outermost part of the ear contour, also known as the edge of the pinna, and is connected to the earlobe. It is a part of the pinna cartilage in a curled shape, usually in the shape of a question mark, located in the front upper part of the front surface of the pinna and extends to the ear canal opening. The concha cavity is a concave structure on the front surface of the pinna and is the largest depression on the surface of the pinna. The antihelix is a raised part opposite to the helix in the shape of a "y" and is composed of three parts, the antihelix body, the upper antihelix foot, and the lower antihelix foot.

[0047] In some embodiments, when the earphone 100 is placed in the charging box 300, the charging box 300 can deliver electric energy to the earphone 100 to charge the earphone 100. The charging box 300 is provided with an electric connection terminal (not shown in the figure), and the earphone 100 is provided with a charging terminal, which is at least partially accommodated in the shell 10 of the earphone 100 and exposed from the shell 10. The charging terminal 60 is electrically connected with the circuit board 30 of the earphone 100, and the charging terminal 60 and the electric connection terminal are electrically connected when the earphone 100 is placed in the charging box 300.

[0048] Referring to Figures 2 to 5 , and Figure 6The earphone 100 comprises a housing 10. The housing 10 comprises a sound outlet portion 11 and an ear hook portion 13. The sound outlet portion 11 is internally provided with a loudspeaker 20, and the ear hook portion 13 comprises a connecting sub-portion 131 and a hook-shaped sub-portion 133. The connecting sub-portion 131 is connected between the sound outlet portion 11 and the hook-shaped sub-portion 133. In the case where the earphone 100 is worn by a user, the sound outlet portion 11 is configured to be at least partially located in the concha cavity of the user, and the ear hook portion 13 extends from the antihelix to the pinna and the head portion. The hook-shaped sub-portion 133 has a first outer surface 1331 facing the sound outlet portion 11. In the first projection plane Pw, the projection of the first outer surface 1331 has a nearest point NP of the projection facing the sound outlet portion 11 in the first direction A1. The first distance D1 between the nearest point NP and the sound outlet portion 11 in the first direction A1 is greater than or equal to 1 mm.

[0049] Specifically, the housing 10 is a structure for loading other elements other than the housing 10 and housing the other elements inside the housing 10. The housing 10 of the present application is used to mount other elements (such as the loudspeaker 20) of the earphone 100 and house the other elements (such as the loudspeaker 20) inside the housing 10 to protect the other elements. The material of the housing 10 can be plastic and / or metal, etc. In the case where the material of the housing 10 is plastic, the housing 10 has good insulation performance, low cost, and light weight. In the case where the material of the housing 10 is metal, the housing 10 has high strength, good wear resistance, and long service life. In the case where the material of the housing 10 is a composite material of plastic and metal, the housing 10 has the advantages of high strength and light weight.

[0050] It can be understood that the housing 10 is not only used to house other elements, but also at least part of the housing 10 contacts the ear of the user in the case where the earphone 100 is worn by the user, thereby fixing the earphone 100 to the ear of the user. Therefore, the size, shape, and related parameters of the material of the housing 10 directly affect the comfort of the user when wearing the earphone 100 and the acoustic performance of the earphone 100.

[0051] The sound outlet 11 is used to accommodate a speaker 20 and the like. The speaker 20 is fixed in the sound outlet 11, which can provide a stable fixing position for the speaker 20 and ensure that the working state of the speaker 20 is not affected by external vibration or movement. Sound can be transmitted from the sound outlet 11 to the outside. In the case that the user wears the earphone 100, the sound outlet 11 is at least partially located in the concha cavity of the user, close to the external auditory canal of the human body. The concha cavity is a natural acoustic cavity of the human body, which can preliminarily converge and guide sound. The sound emitted by the speaker 20 is transmitted from the sound outlet 11 to the concha cavity and then to the external auditory canal, the sound transmission path is short, which can improve the transmission efficiency of sound and enhance the clarity of sound. In addition, the short sound transmission path can also reduce the energy loss of sound in the transmission process, so that the speaker 20 can realize the output of sound at a lower power, thereby prolonging the endurance time of the earphone 100.

[0052] The ear hook 13 is a component for further fixing the earphone 100 to the ear. The ear hook 13 includes a connecting sub-portion 131 and a hook-shaped sub-portion 133. The connecting sub-portion 131 is connected between the sound outlet 11 and the hook-shaped sub-portion 133. In some embodiments, the connecting sub-portion 131 and the hook-shaped sub-portion 133 are an integral structure; in another embodiment, the connecting sub-portion 131 and the hook-shaped sub-portion 133 are two separate structures, which are subsequently combined into the ear hook 13 by a specific connecting method, which includes but is not limited to a detachable connecting method, such as threaded connection, clamping, etc., and a non-detachable connecting method, such as welding, gluing, etc. In addition, in some embodiments, the sound outlet 11 and the connecting sub-portion 131 can be an integral structure, i.e., the sound outlet 11 and the connecting sub-portion 131 are an integral structure, which can improve the bonding strength between the sound outlet 11 and the connecting sub-portion 131, prevent the sound outlet 11 and the connecting sub-portion 131 from being separated during the operation of the shell 10, and thus ensure the stability and reliability of the operation of the shell 10. In other embodiments, the sound outlet 11 and the connecting sub-portion 131 are separate structures, i.e., the sound outlet 11 and the connecting sub-portion 131 are two different structures. In one example, the sound outlet 11 and the connecting sub-portion 131 can be combined together by a detachable connecting method, which includes but is not limited to buckle connection or threaded connection, etc. In another example, the sound outlet 11 and the connecting sub-portion 131 can be combined together by a non-detachable connecting method, which includes but is not limited to bonding or welding, etc.

[0053] The hook-shaped sub-portion 133 is an extension of the ear clip portion 13, has a certain curvature, and is curved or hook-shaped so as to extend from the antihelix of the user's ear to the pinna and the head, thereby supporting and fixing the earphone 100. In this application, the pinna is defined with respect to the sagittal plane of the human body, and includes opposite back and front surfaces. The front surface is closer to the human facial features than the back surface.

[0054] Specifically, the first distance D1 can be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 3.7 mm, 3.8 mm, 3.9 mm, 4.8 mm, 5.8 mm, or 7 mm. Preferably, the first distance D1 is 3.5 mm. The first distance D1 is any value greater than or equal to 1.5 mm; or, the first distance D1 is any value greater than or equal to 2 mm; or, the first distance D1 is any value greater than or equal to 2.5 mm; or, the first distance D1 is any value greater than or equal to 3 mm; or, the first distance D1 is any value greater than or equal to 3.5; or, the first distance D1 is any value greater than or equal to 3.7; or, the first distance D1 is any value greater than or equal to 3.8; or, the first distance D1 is any value greater than or equal to 3.9; or, the first distance D1 is any value greater than or equal to 4.8; or, the first distance D1 is any value greater than or equal to 5.8; or, the first distance D1 is any value greater than or equal to 7.

[0055] If the first distance D1 is less than 1 mm, the hook-shaped sub-portion 133 can be too close to the sound outlet 11, resulting in the need to bend the ear clip portion 13 before wearing, which can cause the ear clip portion 13 to deform frequently, accelerate the fatigue of the material of the ear clip portion 13, and thus affect the service life of the earphone 100 and reduce the long-term stability and durability of the earphone 100.

[0056] The first distance D1 is greater than or equal to 1 mm, which can match the pinna thickness of most people, regardless of whether the user is wearing the earphone 100 or not, thereby reducing the frequency and amplitude of the adjustment of the ear clip portion 13 when the user wears the earphone 100, and prolonging the service life of the ear clip portion 13.

[0057] Please refer to Figure 2 , Figure 3 and Figure 5 In some embodiments, the hook-shaped sub-portion 133 first extends away from the sound outlet 11 and then bends and extends towards the sound outlet 11, so that the shell 10 forms a wearing space 101 for accommodating the pinna of the human body.

[0058] Specifically, the wearing space 101 is an area surrounded by the ear hook portion 13 and the sound outlet portion 11, which is sized and shaped to accommodate the pinna of a human body to ensure the stability and comfort of the earphone 100 when worn. The hook-shaped sub-portion 133 first extends away from the sound outlet portion 11 to provide sufficient initial space to accommodate pinna of different human body sizes, and then bends to extend towards the sound outlet portion 11 to help hook onto the pinna, thereby improving the fixing performance of the earphone 100. The wearing space 101 can adapt to the natural curve of the pinna, thereby avoiding squeezing or slipping off the pinna, and improving the comfort and stability when worn.

[0059] Please refer to Figure 2 , Figure 3 and Figure 5 In some embodiments, the earphone 100 includes a first side 103 and a second side 105 opposite in the first direction A1, the sound outlet portion 11 is located on the first side 103 of the earphone 100, and the ear hook portion 13 is located on the second side 105 of the earphone 100. The sound outlet portion 11 includes a sound outlet face 111 and a back face 113 opposite in the second direction A2, and the sound outlet face 111 is provided with a sound outlet hole 1111 for the sound emitted by the loudspeaker 20 to pass out of the sound outlet portion 11. The first direction A1 is perpendicular to the second direction A2.

[0060] Although the earphone 100 is irregularly shaped, according to the general length, width and height (thickness), the first direction A1 in the present application can be understood as the length direction of the earphone 100, and the second direction A2 can be understood as the width direction of the earphone 100. The third direction A3 in the following can be understood as the thickness direction of the earphone 100. In the case of a user wearing the earphone 100, the first direction A1 is generally parallel to the sagittal plane of the human body, and the second direction A2 is generally perpendicular to the sagittal plane of the human body.

[0061] The sound outlet 11 includes a sound outlet surface 111 and a back surface 113 opposite to the sound outlet surface 111 in the second direction A2. The sound outlet surface 111 is provided with a sound outlet hole 1111 through which the sound emitted by the loudspeaker 20 can pass through the sound outlet 11 and propagate to the outside. In the case that the user wears the earphone 100, the sound outlet surface 111 faces the concha cavity, and the sound can directly enter the external auditory canal from the concha cavity, which can reduce the loss of sound quality caused by sound scattering and improve the acoustic effect. The sound outlet hole 1111 can be one or multiple, which is not limited in the present application. Correspondingly, the back surface 113 is away from the concha cavity and is located on the side opposite to the sound outlet surface 111 in the second direction A2, so that the back surface 113 can block the sound emitted by the loudspeaker 20 from propagating in the opposite direction. Specifically, the back surface 113 can be a plane, a curved surface or other geometric shapes, so as to adapt to the overall shape of the earphone 100 and meet the acoustic requirements. The material of the back surface 113 can be selected from materials with good sound absorption performance, such as composite materials, plastics or metal materials coated with sound absorption coating, so as to further reduce the interference caused by the sound propagating through the shell 10.

[0062] Please refer to Figure 2 , Figure 3 and Figure 5 , the hook-shaped sub-portion 133 has a width middle plane Pw. In the first projection plane Pw where the width middle plane Pw is located, the projection of the ear hook portion 13 includes an inner contour and an outer contour. The outer contour has a convex point BP which is the point of the ear hook portion 13 farthest from the sound outlet portion 11 in the first direction A1. The inner contour has a concave point CP which is located in the wearing space 101.

[0063] As mentioned above, the width direction is the third direction A3 shown in Figure 2 or Figure 3 , and the width middle plane is a plane passing through the middle point of the width and being perpendicular to the width direction. The inner contour of the projection of the ear hook portion 13 is the contour close to the sound outlet portion 11, and the outer contour of the projection of the ear hook portion 13 is the contour away from the sound outlet portion 11. The outer contour of the projection of the ear hook portion 13 is a convex surface convex from the first side 103 to the second side 105, and the farthest point of the convex surface from the sound outlet portion 11 in the first direction A1 is the convex point BP. The inner contour of the ear hook portion 13 is a concave surface concave from the first side 103 to the second side 105, and the farthest point of the concave surface from the sound outlet portion 11 in the first direction A1 is the concave point CP. The concave point CP is located in the wearing space 101, and the convex point BP is located outside the wearing space 101.

[0064] Please refer to Figure 4 , Figure 5 and Figure 6In some embodiments, the first distance D1 is greater than or equal to 2 mm when the earphone 100 is worn by the user.

[0065] Specifically, the first distance D1 can be 2 mm, 2.2 mm, 2.5 mm, 2.7 mm, 3 mm, 3.2 mm, 3.5 mm, 3.7 mm, 4 mm, 4.8 mm, 5.8 mm, or 7 mm when the earphone 100 is worn by the user. The first distance D1 is any value greater than or equal to 2.2 mm; or, the first distance D1 is any value greater than or equal to 2.5 mm; or, the first distance D1 is any value greater than or equal to 2.7 mm; or, the first distance D1 is any value greater than or equal to 3 mm; or, the first distance D1 is any value greater than or equal to 3.2 mm; or, the first distance D1 is any value greater than or equal to 3.5 mm; or, the first distance D1 is any value greater than or equal to 3.7 mm; or, the first distance D1 is any value greater than or equal to 4 mm; or, the first distance D1 is any value greater than or equal to 4.8 mm; or, the first distance D1 is any value greater than or equal to 5.8 mm; or, the first distance D1 is any value greater than or equal to 7 mm.

[0066] When the first distance D1 is less than 2 mm when the earphone 100 is worn by the user, the distance between the hook-shaped sub-portion 133 and the auricle is too small, which can cause the auricle to be excessively pressed by the first outer surface 1331, and the auricle can feel pain due to excessive compression, affecting the comfort of wearing. At the same time, the first distance D1 can also affect the stability of the earphone 100, causing the earphone 100 to easily slip or loosen due to uneven pressure distribution when worn, thereby affecting the firmness of wearing.

[0067] The first distance D1 being greater than or equal to 2 mm ensures that the hook-shaped sub-portion 133 can stably fit the auricle, providing sufficient comfort, while avoiding discomfort caused by excessive compression or insufficient tightness.

[0068] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the first distance D1 is less than or equal to 4 mm when the earphone 100 is not worn.

[0069] Specifically, the first distance D1 can be 0 mm, 1.2 mm, 1.3 mm, 1.5 mm, 1.8 mm, 2 mm, 2.4 mm, 2.6 mm, 2.8 mm, 3 mm, 3.5 mm or 4 mm when the earphone 100 is not worn. Preferably, the first distance D1 is 3 mm when the earphone 100 is not worn. The first distance D1 can be any value between 1.2 mm and 3.5 mm; or, the first distance D1 can be any value between 1.3 mm and 3 mm; or, the first distance D1 can be any value between 1.5 mm and 2.8 mm; or, the first distance D1 can be any value between 1.8 mm and 2.6 mm; or, the first distance D1 can be any value between 2 mm and 2.4 mm.

[0070] If the first distance D1 is too large (e.g. greater than 4 mm) when the earphone 100 is not worn, the distance between the hook-shaped sub-portion 133 and the sound outlet portion 11 is too large, which causes the user to press the ear hook portion 13 harder when wearing the earphone 100 to ensure the contact between the earphone 100 and the ear. The long-time pressure may cause the ear hook portion 13 to deform frequently, thereby affecting the structural stability and service life of the earphone 100. The large distance also causes the earphone 100 to be unstable when worn, especially when the user is moving, the earphone 100 may slide unstably, increasing the discomfort of wearing, and even causing the earphone 100 to fall off.

[0071] When the first distance D1 is less than or equal to 4 mm when the earphone 100 is not worn, the earphone 100 can be worn without too much pressure on the ear, and can be stably fixed to the ear. The appropriate distance ensures that the ear hook portion 13 can naturally surround the auricle, avoiding excessive deformation, providing a comfortable wearing experience, and ensuring the service life of the earphone 100.

[0072] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the ratio between the first distance D1 and the second distance D2 of the nearest point NP in the first direction A1 with respect to the reference line RE, which is a straight line parallel to the second direction A2 and passing through the projection of the top point of the sound outlet face 111 in the first projection plane Pw, is greater than or equal to 0.25 and less than or equal to 0.5.

[0073] Specifically, the ratio between the first distance D1 and the second distance D2 can be 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.35, 0.38, 0.40, 0.45 or 0.5. Preferably, the ratio is 0.38.

[0074] If the ratio between the first distance D1 and the second distance D2 is less than 0.25, the distance between the first outer surface 1331 of the ear hook part 13 and the reference line RE is relatively small, resulting in a too short sound propagation path. Under the condition of a shorter propagation path, the sound may not be reflected and diffused sufficiently before entering the external auditory canal.

[0075] If the ratio between the first distance D1 and the second distance D2 is greater than 0.5, the distance between the first outer surface 1331 of the ear hook part 13 and the reference line RE is too large, resulting in a too long sound propagation path, and a certain degree of attenuation of the sound during transmission. The too long propagation path not only reduces the transmission efficiency of the sound, but also may cause distortion of the sound quality, affecting the overall auditory experience.

[0076] Therefore, the ratio between the first distance D1 and the second distance D2 is greater than or equal to 0.25 and less than or equal to 0.5, which can ensure that the length of the sound propagation path is moderate, avoiding the situation that a too short path leads to insufficient reflection and diffusion of the sound, and also avoiding the situation that a too long path causes attenuation. The moderate propagation path ensures uniform propagation of the sound, while ensuring the balance of low and high frequencies, improving the performance of the sound quality, and ensuring that the user can obtain clear, full, and natural sound effects when wearing the earphone 100.

[0077] Please refer to Figure 4 , Figure 5 and Figure 6 In the second direction A2, the hook-shaped sub-part 133 includes a second outer surface 1332 facing the connecting sub-part 131, and the second outer surface 1332 is connected to the first outer surface 1331. In the first projection plane Pw, the projection of the second outer surface 1332 has a first inflection point IP1 in the second direction A2 facing the projection of the connecting sub-part 131. In the second direction A2, the first inflection point IP1 and the projection of the back surface 113 in the first projection plane Pw have a third distance D3. When the earphone 100 is in an unworn state, the third distance D3 is greater than or equal to 6 mm and less than or equal to 15 mm.

[0078] Specifically, the third distance D3 can be 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 11.5 mm, 12 mm, 13 mm, 13.1 mm, 14 mm, or 15 mm, and the preferred value is 11.8 mm. In the case where the user wears the earphone 100, the second outer surface 1332 at least partially contacts the back of the concha 113, thereby further fixing the earphone 100 on the concha. The third distance D3 is any value between 6 mm and 15 mm; or, the third distance D3 is any value between 7 mm and 14 mm; or, the third distance D3 is any value between 8 mm and 13.1 mm; or, the third distance D3 is any value between 9 mm and 13 mm; or, the third distance D3 is any value between 10 mm and 12 mm; or, the third distance D3 is any value between 11 mm and 11.5 mm.

[0079] If the third distance D3 is less than 6 mm when the earphone 100 is in the unworn state, the third distance D3 is too small, and the hook-shaped sub-portion 133 excessively presses the back of the concha 113, causing discomfort of the concha. Especially when worn for a long time, the concha is subjected to excessive pressure, which can cause pain, indentation, and even skin damage, affecting the comfort of wearing.

[0080] If the third distance D3 is greater than 15 mm when the earphone 100 is in the unworn state, the third distance D3 is too large, and the hook-shaped sub-portion 133 cannot effectively fit the back of the concha 113, resulting in unstable and insufficient clamping force of the earphone 100 when worn, which is prone to sliding or falling, affecting the stability and safety of wearing.

[0081] When the earphone 100 is in the unworn state, the third distance D3 is greater than or equal to 6 mm and less than or equal to 15 mm, which can adapt to the thickness of different conchas, providing sufficient comfort to avoid excessive compression of the concha, and ensuring that the earphone 100 closely fits the ear, enhancing the stability and firmness of wearing, thereby providing a longer and more stable wearing experience.

[0082] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, in the case where the user wears the earphone 100, the third distance D3 has a value range of greater than or equal to 7 mm and less than or equal to 16 mm in the second direction A2.

[0083] Specifically, in the case where the user wears the earphone 100, the third distance D3 can be 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 12.5 mm, 13 mm, 13.8 mm, 14 mm, 15 mm, or 16 mm. The third distance D3 is any value between 8 mm and 15 mm; or, the third distance D3 is any value between 9 mm and 14 mm; or, the third distance D3 is any value between 10 mm and 13.8 mm; or, the third distance D3 is any value between 11 mm and 13 mm; or, the third distance D3 is any value between 12 mm and 12.5 mm.

[0084] If the third distance D3 is less than 7 mm, the distance between the hook-shaped sub-portion 133 and the connecting sub-portion 131 is too small, which can result in insufficient wearing space 101 and further press certain areas of the ear, increasing the discomfort when wearing. The small distance can also affect the firmness of the earphone 100, making it difficult to fit different ear shapes, and the earphone 100 can easily become loose or unstable when worn, or even cause the earphone 100 to slip or shift position. If the third distance D3 is greater than 16 mm, the distance is too large, which can make the earphone 100 unable to form an effective fit with the ear when worn, resulting in unstable wearing, especially during exercise or vigorous head movement, the earphone 100 can slip or fall off, thereby reducing the stability and safety of wearing. By setting the value of the third distance D3 in the case where the user wears the earphone 100 to be greater than or equal to 7 mm and less than or equal to 16 mm, the wearing comfort and firmness can be effectively balanced, ensuring that the earphone 100 can provide appropriate clamping force when worn by the user, and avoid discomfort or instability caused by being too tight or too loose, improving the comfort and safety of wearing.

[0085] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, in the first projection plane Pw, the projection of the second outer surface 1332 has a second inflection point IP2 of the projection of the hook-shaped sub-portion 133 in the second direction A2, and a fourth distance D4 between the first inflection point IP1 and the second inflection point IP2 in the second direction A2 is greater than or equal to 4 mm and less than or equal to 8 mm.

[0086] Specifically, the fourth distance D4 can be 4 mm, 4.5 mm, 4.6 mm, 4.7 mm, 5.2 mm, 5.8 mm, 5.9 mm, 6.5 mm, 7.1 mm, 7.2 mm, 7.7 mm or 8 mm, and preferably 5.8 mm. The fourth distance D4 can be any value between 4.5 mm and 7.7 mm; or, the fourth distance D4 can be any value between 4.6 mm and 7.2 mm; or, the fourth distance D4 can be any value between 4.7 mm and 7.1 mm; or, the fourth distance D4 can be any value between 5.2 mm and 6.5 mm; or, the fourth distance D4 can be any value between 5.8 mm and 5.9 mm.

[0087] If the fourth distance D4 is less than 4 mm, the distance is too small, which can cause the hook-shaped sub-portion 133 to be too close to the ear, and can generate a large pressure on the ear, especially after wearing for a long time, the local pressure is too large, which can cause discomfort and affect the wearing comfort.

[0088] If the fourth distance D4 is greater than 8 mm, the distance is too large, which can cause the wearing space 101 to be too large, and the gap between the pinna and the wearing space 101 is too large, which can cause the earphone 100 to be unstable and can easily slide or fall off.

[0089] The fourth distance D4 is greater than or equal to 4 mm and less than or equal to 8 mm, which can ensure that the earphone 100 has sufficient contact area with the ear when worn, and can provide uniform clamping force, which can avoid discomfort caused by local compression and can control the gap between the pinna and the wearing space 101, which can ensure the wearing stability and the wearing comfort.

[0090] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the hook-shaped sub-portion 133 further comprises a third outer surface 1333, the third outer surface 1333 is opposite to the second outer surface 1332 in the second direction A2, the first outer surface 1331 is connected with the second outer surface 1332 and the third outer surface 1333, and in the first projection plane Pw and in the second direction A2, the projection of the third outer surface 1333 and the projection of the back surface 113 have a first maximum distance D5, and the first maximum distance D5 has a value range of greater than or equal to 9 mm and less than or equal to 18 mm when the earphone 100 is in an unworn state.

[0091] Specifically, when the earphone 100 is in the unworn state, the first maximum distance D5 can be 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 13.5 mm, 14 mm, 15 mm, 15.3 mm, 16 mm, 17 mm, or 18 mm, and the preferred value is 16.5 mm. The first maximum distance D5 is any value between 10 mm and 17 mm; or, the first maximum distance D5 is any value between 11 mm and 16 mm; or, the first maximum distance D5 is any value between 12 mm and 15.3 mm; or, the first maximum distance D5 is any value between 13 mm and 14 mm; or, the first maximum distance D5 is any value between 13.5 mm and 13.5 mm.

[0092] If the first maximum distance D5 is less than 9 mm when the earphone 100 is in the unworn state, the distance between the third outer surface 1333 and the back surface 113 is too small, which can cause the wearing space 101 to be too small in the second direction A2, resulting in too strong a clamping force of the earphone 100 on the auricle when worn, causing excessive local pressure on some parts of the auricle, which can cause discomfort after a long time of wearing and reduce the comfort of wearing. At the same time, due to the too strong clamping force, the earphone 100 can become difficult to adjust and adapt to individual differences in the user's ear, affecting the flexibility and adaptability of the earphone 100 when worn.

[0093] If the first maximum distance D5 is greater than 18 mm when the earphone 100 is in the unworn state, the distance between the third outer surface 1333 and the back surface 113 is too large, which can cause the wearing space 101 to be too large in the second direction A2, reducing the tightness of the earphone 100 in contact with the ear, and the earphone 100 can not be firmly fixed on the ear, which can easily slide or displace when worn, causing the earphone 100 to be unstable and reducing the safety and comfort of wearing. In addition, the too large distance can make the shape of the earphone 100 not conform to the natural curve of the human ear, further affecting the fit when worn, resulting in unstable or uncomfortable wearing.

[0094] When the earphone 100 is in the unworn state, the first maximum distance D5 is greater than or equal to 9 mm and less than or equal to 18 mm, which can effectively balance the comfort and firmness of the earphone 100, allowing the earphone 100 to maintain an appropriate contact distance with the auricle, ensuring that there is no discomfort due to excessive pressure when worn, and also avoiding unstable wearing due to insufficient contact, thereby improving the stability, comfort, and safety of wearing.

[0095] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, when the user wears the earphone 100, the first maximum distance D5 is greater than or equal to 10 mm and less than or equal to 19 mm.

[0096] Specifically, in the case where the user wears the earphone 100, the first maximum distance D5 can be 10 mm, 11 mm, 12 mm, 12.8 mm, 13 mm, 14 mm, 15 mm, 15.2 mm, 16 mm, 17 mm, 18 mm, or 19 mm. The first maximum distance D5 is any value between 11 mm and 18 mm; or, the first maximum distance D5 is any value between 12 mm and 17 mm; or, the first maximum distance D5 is any value between 12.8 mm and 16 mm; or, the first maximum distance D5 is any value between 13 mm and 15.2 mm; or, the first maximum distance D5 is any value between 14 mm and 15 mm. If the first maximum distance D5 is less than 10 mm in the case where the user wears the earphone 100, the distance is too small, which can cause the third outer surface 1333 of the hook-shaped sub-portion 133 to be too close to the back of the pinna, thereby increasing the compression of the earphone 100 on the back of the pinna, making the wearer feel uncomfortable. Long-term wearing can cause local pain or irritation, and even cause the skin to become red or inflamed, affecting the comfort of wearing. In addition, too small a distance can also weaken the supporting effect of the earphone 100, causing the earphone 100 to be not firm enough when worn, increasing the risk of the earphone 100 falling off or displacing, reducing the stability and safety of wearing.

[0097] If the first maximum distance D5 is greater than 19 mm in the case where the user wears the earphone 100, the distance is too large, which can cause the earphone 100 to fail to form a good fit with the ear, especially during exercise, the earphone 100 can become unstable. A distance greater than 19 mm makes the earphone 100 not close enough to the ear, increasing the probability of the earphone 100 slipping or falling off when worn, leading to discomfort and insecurity of wearing. By setting the value of the first maximum distance D5 to be greater than or equal to 10 mm and less than or equal to 19 mm in the case where the user wears the earphone 100, the appropriate contact between the earphone 100 and the ear when worn can be effectively guaranteed, thereby ensuring the stability and comfort of wearing. An appropriate distance can avoid discomfort caused by excessive compression of the ear, while maintaining the stability and safety of the earphone 100 during wearing, especially during exercise or long-term wearing, improving the wearing experience and the safety of using the earphone 100.

[0098] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, in the first projection plane Pw, the projection of the second outer surface 1332 has a second inflection point IP2 of the projection of the hook-shaped sub-portion 133 in the second direction A2, and the second maximum distance D6 between the projection of the third outer surface 1333 and the second inflection point IP2 in the first projection plane Pw and in the second direction A2 is greater than or equal to 1 mm and less than or equal to 5 mm.

[0099] Specifically, the second maximum distance D6 can be 1.1 mm, 1.2 mm, 1.3 mm, 2.1 mm, 2.2 mm, 2.4 mm, 2.5 mm, 3.3 mm, 3.4 mm, 4.3 mm, 4.4 mm, or 5 mm. The second maximum distance D6 is any value between 1.2 mm and 4.4 mm; or, the second maximum distance D6 is any value between 1.3 mm and 4.3 mm; or, the second maximum distance D6 is any value between 2.1 mm and 3.4 mm; or, the second maximum distance D6 is any value between 2.2 mm and 3.3 mm; or, the second maximum distance D6 is any value between 2.4 mm and 2.5 mm.

[0100] If the second maximum distance D6 is less than 1 mm, the distance between the third outer surface 1333 and the surface of the connecting sub 131 located in the wearing space 101 is too small, which can cause the earphone 100 to be too close to the ear when worn, resulting in a large local pressure. Long-term wearing can cause discomfort and reduce the comfort of wearing. At the same time, the small distance can also affect the adjustability of the earphone 100, making it difficult to adapt to the ear structures of different users, leading to unstable wearing or difficulty in adjusting to the most comfortable position.

[0101] If the second maximum distance D6 is greater than 5 mm, the distance between the third outer surface 1333 and the surface of the connecting sub 131 located in the wearing space 101 is too large, the gap between the auricle and the wearing space 101 is large, and the earphone 100 can not be fully in contact with the ear when worn, resulting in insufficient clamping force of the earphone 100. The earphone 100 can slip or be unstable in position, increasing the risk of unstable wearing and affecting the safety and comfort of wearing.

[0102] The second maximum distance D6 is greater than or equal to 1 mm and less than or equal to 5 mm, which can ensure the comfortable fit of the earphone 100 to the ear while avoiding discomfort caused by excessive local pressure, and can also avoid unstable wearing caused by a large gap between the auricle and the wearing space 101, so that the earphone 100 maintains appropriate clamping force and provides a more stable and comfortable wearing experience.

[0103] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.6 and less than or equal to 0.85 when the earphone 100 is not worn.

[0104] Specifically, the ratio between the third distance D3 and the first maximum distance D5 can be 0.6, 0.65, 0.7, 0.715, 0.75, 0.8, 0.85, and preferably 0.715.

[0105] If the ratio between the third distance D3 and the first maximum distance D5 is less than 0.6, the design between the hook-shaped sub-portion 133 and the connecting sub-portion 131 is too compact, which can cause the wearing space 101 of the earphone 100 to be too small, thereby affecting the wearing comfort. At this time, the earphone 100 can exert excessive pressure on the auricle, and long-term wearing can cause discomfort, and even cause pain or irritation of the ear. In addition, a too small ratio can cause the earphone 100 to be unstable in position when worn, increasing the risk of the earphone 100 slipping or deviating, reducing the firmness and safety of wearing.

[0106] If the ratio between the third distance D3 and the first maximum distance D5 is greater than 0.85, the distance between the hook-shaped sub-portion 133 and the connecting sub-portion 131 is too large, causing the wearing space 101 to be too wide, which can improve comfort, but also reduces the supporting force of the earphone 100 on the auricle, causing unstable wearing. At this time, the clamping force of the earphone 100 is insufficient, which can cause unstable wearing, and even the earphone 100 is easy to slip or fall off during movement or vigorous activity, affecting the firmness and safety of wearing.

[0107] The ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.6 and less than or equal to 0.85, which can balance the wearing comfort and stability of the earphone 100. This design can ensure that the earphone 100 is neither too close to the auricle to cause discomfort, nor too wide to reduce the clamping force when worn, thereby providing a more stable and comfortable wearing experience, adapting to different ear shapes and wearing needs, and improving the stability and safety of wearing.

[0108] Please refer to Figure 4 , Figure 5 and Figure 6 , the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.65 and less than or equal to 0.9 when the user wears the earphone 100.

[0109] Specifically, in some embodiments, the ratio between the third distance D3 and the first maximum distance D5 can be 0.65, 0.68, 0.70, 0.72, 0.74, 0.76, 0.78, 0.80, 0.85 or 0.9, and the preferred value is 0.715 when the user wears the earphone 100.

[0110] If the ratio between the third distance D3 and the first maximum distance D5 is lower than 0.66 when the earphone 100 is worn by the user, the distance between the third outer surface 1333 of the hook-shaped sub-portion 133 and the connecting sub-portion 131 can be too small, causing the earphone 100 to exert excessive pressure on the back of the auricle when worn, making the wearer feel uncomfortable. Excessive pressure can cause the skin of the ear to become red and swollen, irritated, and even cause discomfort, and long-term wearing can affect the comfort of wearing, and the earphone 100 can not be firmly attached to the ear, causing the stability of the earphone 100 to decrease, increasing the risk of slipping or positional deviation.

[0111] If the ratio between the third distance D3 and the first maximum distance D5 is higher than 0.9 when the earphone 100 is worn by the user, the distance between the third outer surface 1333 and the back can be too large, causing the earphone 100 to not make good contact with the ear, resulting in the earphone 100 being unstable when worn, especially during exercise, which can cause the earphone 100 to slip or fall off, increasing the instability of wearing.

[0112] By controlling the ratio between the third distance D3 and the first maximum distance D5 to be between 0.65 and 0.9 when the earphone 100 is worn by the user, the contact force of the hook-shaped sub-portion 133 with the ear can be moderate, avoiding excessive pressure and ensuring the stability of the earphone 100 when worn. A reasonable ratio not only helps to improve the comfort of wearing and reduce discomfort, but also improves the stability of the earphone 100 during various activities, especially during exercise, ensuring a more stable and comfortable wearing experience, reducing the risk of falling or displacement, and improving the user's experience.

[0113] Please refer to Figure 4 and Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 Figure 5 Figure 6 Figure 4 In some embodiments, the shell 10 is provided with a receiving cavity 102, and the earphone 100 further includes a circuit board 30, a communication unit 40, and a battery 50, the circuit board 30 and the battery 50 are accommodated in the receiving cavity 102, the communication unit 40 is arranged on the sound outlet portion 11, the communication unit 40, the battery 50, and the loudspeaker 20 are electrically connected with the circuit board 30, and the circuit board 30, the battery 50, and the loudspeaker 20 are sequentially stacked in the direction from the back surface 113 of the shell 10 to the sound outlet surface 111.

[0114] The circuit board 30, the battery 50, and the loudspeaker 20 are sequentially stacked in the direction from the back surface 113 of the shell 10 to the sound outlet surface 111, which can save space and reasonably arrange the positions of the components, making the earphone 100 compact as a whole. At the same time, the components are concentrated in the sound outlet portion 11, and the weight is concentrated in the part of the earphone 100 worn into the concha cavity, so the ear clip portion 13 is not easy to slip off.

[0115] In the description of the specification, the description using the terms "certain embodiments", "one example", "exemplarily", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in an appropriate manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the characteristics of the different embodiments or examples without contradiction.

[0116] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. An earphone, characterized in that, include: The housing includes a sound-emitting part and an ear clip. The earphone includes a first side and a second side opposite to each other in a first direction A1. The sound-emitting part is located on the first side of the earphone, and the ear clip is located on the second side of the earphone. The sound-emitting part has a receiving cavity, and a speaker is provided in the receiving cavity. The ear clip includes a connecting part and a hook-shaped part. The connecting part is connected between the sound-emitting part and the hook-shaped part. When the user wears the earphone, the sound-emitting part is configured to be at least partially located in the user's concha cavity. The ear clip extends from the antihelix and the helix to between the auricle and the head. The hook-shaped sub-part has a first outer surface facing the sound-emitting part, and the hook-shaped sub-part has a width dividing plane Pw. In the first projection plane Pw where the width dividing plane Pw is located, the projection of the first outer surface has a nearest point NP in the first direction A1 that is projected toward the sound-emitting part. The first distance D1 between the nearest point NP and the sound-emitting part in the first direction A1 is greater than or equal to 1 mm.

2. The earphone according to claim 1, characterized in that, The first distance D1 is any value greater than or equal to 1.5 mm; or, the first distance D1 is any value greater than or equal to 2 mm; or, the first distance D1 is any value greater than or equal to 2.5 mm; or, the first distance D1 is any value greater than or equal to 3 mm; or, the first distance D1 is any value greater than or equal to 3.5 mm; or, the first distance D1 is any value greater than or equal to 3.7 mm; or, the first distance D1 is any value greater than or equal to 3.8 mm; or, the first distance D1 is any value greater than or equal to 3.9 mm; or, the first distance D1 is any value greater than or equal to 4.8 mm; or, the first distance D1 is any value greater than or equal to 5.8 mm; or, the first distance D1 is any value greater than or equal to 7 mm.

3. The earphone according to claim 1, characterized in that, The hook-shaped part first extends away from the sound-emitting part and then bends and extends towards the sound-emitting part so that the shell forms a wearing space for accommodating the auricle of the human body.

4. The earphone according to claim 3, characterized in that, The sound-emitting part includes a sound-emitting surface and a back surface facing away from each other in the second direction A2. The sound-emitting surface is provided with a sound-emitting hole, which is used to allow the sound emitted by the loudspeaker to pass through the sound-emitting part. The first direction A1 is perpendicular to the second direction A2.

5. The earphone according to claim 4, characterized in that, Within the first projection plane Pw, the projection of the ear clip includes an inner contour and an outer contour. The outer contour has a protrusion BP, which is the point on the ear clip that is furthest from the sound outlet in the first direction A1. The inner contour has a concave point CP, which is located within the wearing space.

6. The earphone according to claim 1, characterized in that, When the user is wearing the headphones, the first distance D1 is greater than or equal to 2mm.

7. The earphone according to claim 6, characterized in that, When the user is wearing the headphones, the first distance D1 is any value greater than or equal to 2.2 mm; or, the first distance D1 is any value greater than or equal to 2.5 mm; or, the first distance D1 is any value greater than or equal to 2.7 mm; or, the first distance D1 is any value greater than or equal to 3 mm; or, the first distance D1 is any value greater than or equal to 3.2 mm; or, the first distance D1 is any value greater than or equal to 3.5 mm; or, the first distance D1 is any value greater than or equal to 3.7 mm; or, the first distance D1 is any value greater than or equal to 4 mm; or, the first distance D1 is any value greater than or equal to 4.8 mm; or, the first distance D1 is any value greater than or equal to 5.8 mm; or, the first distance D1 is any value greater than or equal to 7 mm.

8. The headphones according to claim 4, characterized in that, When the headphones are not being worn, the first distance D1 is less than or equal to 4 mm.

9. The earphone according to claim 8, characterized in that, The first distance D1 is any value between 1.2mm and 3.5mm; or, the first distance D1 is any value between 1.3mm and 3mm; or, the first distance D1 is any value between 1.5mm and 2.8mm; or, the first distance D1 is any value between 1.8mm and 2.6mm; or, the first distance D1 is any value between 2mm and 2.4mm.

10. The earphone according to claim 4, characterized in that, The reference line RE is a straight line parallel to the second direction A2 and passing through the vertex of the projection of the sound-emitting surface into the first projection plane Pw. The ratio between the first distance D1 and the nearest point NP and the second distance D2 of the reference line in the first direction A1 is greater than or equal to 0.25 and less than or equal to 0.

5.

11. The earphone according to claim 10, characterized in that, In the second direction A2, the hook-shaped part includes a second outer surface facing the connecting part, the second outer surface being connected to the first outer surface. In the first projection plane Pw, the projection of the second outer surface has a first inflection point IP1 in the second direction A2 facing the connecting part. In the second direction A2, there is a third distance D3 between the first inflection point IP1 and the projection of the back surface in the first projection plane Pw. When the earphone is not worn, the third distance D3 is greater than or equal to 6 mm and less than or equal to 15 mm.

12. The earphone according to claim 11, characterized in that, The third distance D3 is any value between 7mm and 14mm; or, the third distance D3 is any value between 8mm and 13.1mm; or, the third distance D3 is any value between 9mm and 13mm; or, the third distance D3 is any value between 10mm and 12mm; or, the third distance D3 is any value between 11mm and 11.5mm.

13. The earphone according to claim 12, characterized in that, When the user is wearing the headphones, the third distance D3 in the second direction A2 is greater than or equal to 7mm and less than or equal to 16mm.

14. The earphone according to claim 13, characterized in that, The third distance D3 is any value between 8mm and 15mm; or, the third distance D3 is any value between 9mm and 14mm; or, the third distance D3 is any value between 10mm and 13.8mm; or, the third distance D3 is any value between 11mm and 13mm; or, the third distance D3 is any value between 12mm and 12.5mm.

15. The earphone according to claim 11, characterized in that, Within the first projection plane Pw, the projection of the second outer surface has a second inflection point IP2 projected toward the hook-shaped part in the second direction A2. In the second direction A2, the fourth distance D4 between the first inflection point IP1 and the second inflection point IP2 is greater than or equal to 4 mm and less than or equal to 8 mm.

16. The earphone according to claim 15, characterized in that, The fourth distance D4 is any value between 4.5mm and 7.7mm; or, the fourth distance D4 is any value between 4.6mm and 7.2mm; or, the fourth distance D4 is any value between 4.7mm and 7.1mm; or, the fourth distance D4 is any value between 5.2mm and 6.5mm; or, the fourth distance D4 is any value between 5.8mm and 5.9mm.

17. The earphone according to claim 11, characterized in that, The hook-shaped part further includes a third outer surface, which is opposite to the second outer surface in the second direction A2. The first outer surface is connected to the second outer surface and the third outer surface. In the first projection plane Pw and in the second direction A2, there is a first maximum distance D5 between the projection of the third outer surface and the projection of the back surface. When the earphone is not worn, the value of the first maximum distance D5 is greater than or equal to 9mm and less than or equal to 18mm.

18. The earphone according to claim 17, characterized in that, The first maximum distance D5 is any value between 10mm and 17mm; or, the first maximum distance D5 is any value between 11mm and 16mm; or, the first maximum distance D5 is any value between 12mm and 15.3mm; or, the first maximum distance D5 is any value between 13mm and 14mm; or, the first maximum distance D5 is any value between 13.5mm and 13.5mm.

19. The earphone according to claim 17, characterized in that, When the user is wearing the headphones, the first maximum distance D5 is greater than or equal to 10mm and less than or equal to 19mm.

20. The earphone according to claim 19, characterized in that, The first maximum distance D5 is any value between 11mm and 18mm; or, the first maximum distance D5 is any value between 12mm and 17mm; or, the first maximum distance D5 is any value between 12.8mm and 16mm; or, the first maximum distance D5 is any value between 13mm and 15.2mm; or, the first maximum distance D5 is any value between 14mm and 15mm.

21. The earphone according to claim 17, characterized in that, Within the first projection plane Pw, the projection of the second outer surface has a second inflection point IP2 that is directed toward the hook-shaped part in the second direction A2. Within the first projection plane Pw and in the second direction A2, the second maximum distance D6 between the projection of the third outer surface and the second inflection point IP2 is greater than or equal to 1 mm and less than or equal to 5 mm.

22. The earphone according to claim 21, characterized in that, The second maximum distance D6 is any value between 1.2mm and 4.4mm; or, the second maximum distance D6 is any value between 1.3mm and 4.3mm; or, the second maximum distance D6 is any value between 2.1mm and 3.4mm; or, the second maximum distance D6 is any value between 2.2mm and 3.3mm; or, the second maximum distance D6 is any value between 2.4mm and 2.5mm.

23. The earphone according to claim 17, characterized in that, When the headphones are not worn, the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.6 and less than or equal to 0.

85.

24. The earphone according to claim 17, characterized in that, When the user is wearing the headphones, the ratio between the third distance D3 and the first maximum distance D5 is greater than or equal to 0.65 and less than or equal to 0.

9.

25. The earphone according to claim 1, characterized in that, The earphone also includes a circuit board, a communication unit, and a battery. The circuit board and the battery are housed in the housing cavity. The communication unit is disposed in the sound output section. The communication unit, the battery, and the speaker are all electrically connected to the circuit board. The circuit board, the battery, and the speaker are stacked sequentially on the back of the housing in the direction from the sound output surface.

26. The earphone according to claim 25, characterized in that, The earphones also include a charging terminal, which is at least partially housed in the accommodating cavity and exposed from the housing, and the charging terminal is electrically connected to the circuit board.

27. A headphone system, characterized in that, include: The headphones according to any one of claims 1-25; and A charging case for charging the earphones.

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