WO2018129867A1 - 一种耳机 - Google Patents

一种耳机 Download PDF

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Publication number
WO2018129867A1
WO2018129867A1 PCT/CN2017/089385 CN2017089385W WO2018129867A1 WO 2018129867 A1 WO2018129867 A1 WO 2018129867A1 CN 2017089385 W CN2017089385 W CN 2017089385W WO 2018129867 A1 WO2018129867 A1 WO 2018129867A1
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WO
WIPO (PCT)
Prior art keywords
earphone
wall
housing
aperture portion
long hole
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Ceased
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PCT/CN2017/089385
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English (en)
French (fr)
Inventor
房晓斐
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Goertek Inc
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Goertek Inc
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Publication date
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Publication of WO2018129867A1 publication Critical patent/WO2018129867A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups

Definitions

  • the invention relates to the field of earphone technology.
  • the existing earphones generally include two earphones, left and right.
  • the two earphones are symmetrical or identical in structure.
  • the consumer can only produce a single hearing effect when wearing, and can only obtain high frequency effects or low frequency effects.
  • the two earphones can only be used alone, can not be assembled together to become a new earphone unit, and there are problems that the earphone cable is easy to be messed up, and the requirements for the acoustic quality and the comfort of the earphone are getting higher and higher.
  • Existing earphones are far from meeting the requirements of people, so it is necessary to provide a new type of earphone with better acoustic experience and comfort.
  • one technical problem to be solved by the present invention is to provide an earphone, the two earphones of the earphone can be used alone or assembled into a new earphone unit.
  • the technical solution of the present invention is:
  • An earphone comprising a first earphone unit and a second earphone unit, the first earphone unit comprising a first casing and a moving iron horn enclosed in the first casing; the second earphone unit a second housing and an annular horn enclosed in the second housing, the second housing forming an elongated hole for receiving the first housing, the elongated hole being connected from the second housing One end of the earplug extends toward the other end of the earphone cord.
  • the second housing includes a second inner wall and a second outer wall, the second outer wall is disposed around the outer side of the second inner wall, the second inner wall encloses the long hole, and the annular horn is disposed on Between the second inner wall and the second outer wall, the long hole passes through a hollow area surrounded by the annular horn or The elongated holes have a common central axis with the annular horn.
  • the long hole has a circular cross section
  • the first housing is a cylinder that cooperates with the long hole.
  • the radial diameter of the elongated hole is a fixed value, and the radial diameter of the first housing is less than or equal to the radial diameter of the elongated hole.
  • the second inner wall includes a first aperture portion, a second aperture portion, and the first aperture
  • the radial diameter of the long hole at the second aperture portion is larger than the radial diameter of the long hole at the first aperture portion, and the radial diameter of the first housing is larger than the long hole is located at the a radial diameter of the first aperture portion and smaller than a radial diameter of the elongated aperture at the second aperture portion;
  • the first aperture portion is adjacent to the earplug of the second earphone unit, and the second aperture portion is disposed on a side of the first aperture portion away from the earphone.
  • the transition portion has a planar shape of a circular ring or a truncated cone.
  • the transition portion is provided with a cushion.
  • the second aperture portion of the second inner wall is provided with a limiting ring for limiting the first housing.
  • the earplug of the second earphone unit is disposed on the second outer wall, and the second inner wall and the second outer wall form an exit channel of the ring horn at an end adjacent to the earplug.
  • the second outer wall includes a cover and a second outer sidewall, the second outer sidewall is disposed around the outer side of the second inner wall, and the cover is disposed between the second inner wall and the second outer sidewall .
  • the earphone is a wireless earphone or a bluetooth earphone.
  • the earphone comprises a first earphone unit and a second earphone unit
  • the first earphone unit comprises a first casing and a moving iron horn enclosed in the first casing
  • the second earphone unit comprises a second a housing and an annular horn enclosed in the second housing, the second housing forming a length for receiving the first housing
  • the hole extends from one end of the second housing connecting the earplug to the other end of the connected earphone cord.
  • the earphone generally includes two left and right earphone units, and the two earphones are symmetrical structures or the same structure, and can only generate a single auditory effect when used, and can only obtain a high frequency effect or a low frequency effect, and The two earphone units can only be used alone and cannot be assembled into a new one.
  • the earphone of the present invention can realize the separate use of the two earphones alone, and can also remove the earphones of the first earphone unit and insert the first earphone unit into the second earphone unit.
  • the long holes of the second outer casing of the body are combined into a new earphone unit for use, as shown in FIG.
  • the first earphone unit adopting the moving iron horn can achieve better high frequency response
  • the second earphone unit adopting the ring horn can achieve better low frequency response
  • the first earphone unit and the second earphone unit can be combined. After use, you can get the acoustic effect of high and low audio response, providing users with a better acoustic experience.
  • the earphones of the prior art when used, sometimes they need to listen to the information of the earphones while taking care of other information around them. For example, when walking on the street, pay attention to listening to the whistle of the car to avoid danger, so it is inevitable In the case of only one earphone unit, in this case, the other earphone unit is not easy to store, and it is easy to pull down the earphones worn on the ear, and the earphone cable is also easy to mess up, bringing the earphone user Use troubles to reduce the user experience.
  • the earphone of the present invention since the first earphone unit and the second earphone unit can be assembled and used together, the problem that the other earphone unit is not easily accommodated when the single ear is carried with the earphone is solved, and the earphone unit is not easily worn in the ear.
  • the earphones on the top are pulled down, the headphone wires are on the same ear side, and the headphone cable is not prone to confusion, which improves the user experience.
  • Figure 1 is a perspective view of a first earphone unit of the present invention
  • Figure 2 is a longitudinal cross-sectional view showing a radial diameter of the first earphone in the erected state of the first housing of the present invention
  • Figure 3 is a perspective view of a second earphone unit of the present invention.
  • FIG. 4 is a longitudinal cross-sectional view showing a radial diameter of an elongated hole in a state in which the second earphone unit is erected in an embodiment of the present invention
  • Figure 5 is a longitudinal sectional view showing a radial diameter of the elongated hole in the state in which the second inner wall of Figure 4 is erected;
  • FIG. 6 is a schematic structural view of the first earphone unit and the second earphone unit of the present invention before assembly;
  • FIG. 7 is a schematic structural view of the first earphone unit and the second earphone unit of the present invention assembled
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the axial direction referred to in this patent is the direction of the long hole or the central axis of the casing, and the radial direction refers to the direction of the diameter or radius of the section of the long hole or the casing perpendicular to the central axis.
  • an earphone includes a first earphone unit 1 and a second earphone unit 2, and the first earphone unit 1 and the second earphone unit 2 can be separately worn on the left ear or The right ear, the present invention does not define a single earphone unit for the left ear or the right ear, the first earphone unit 1 includes a first casing 11 and a moving iron horn 12 packaged in the first casing 11, first The earphone 13 is provided at the sounding end of the housing 11. The first housing 11 is provided with the earphone 13 at the opposite end.
  • the second earphone unit 2 includes a second housing 21 and is packaged in the second housing 21.
  • the inner ring-shaped horn 22, the second casing 21 further forms an elongated hole 25 for receiving the first casing 11, and the long hole 25 is connected from the sound-emitting end of the second casing 21 to the earplug 23 to the other end of the earphone wire 24.
  • the elongated hole 25 passes through a hollow region surrounded by the annular horn 22 or the elongated hole 25 has a common central axis with the annular horn 22.
  • the moving iron horn 12 and the ring horn 22 can be respectively packaged in the first housing 11 and the second housing 21 by means of gluing and snapping, and of course, other ways can be adopted to realize the housing between the housing and the corresponding horn.
  • the fixing of the present invention is not limited thereto.
  • the earphone generally includes two left and right earphone units, and the two earphones are symmetrical structures or the same structure, and can only generate a single auditory effect when used, and can only obtain a high frequency effect or a low frequency effect, and The two earphone units can only be used alone and cannot be assembled into a new one.
  • the earphone of the present invention can realize the separate use of the two earphones alone, and can also remove the earphones of the first earphone unit and insert the first earphone unit into the second earphone unit.
  • the long hole of the second outer casing of the body is assembled into a new earphone unit, as shown in FIG.
  • the first earphone unit adopting the moving iron horn can achieve better high frequency response
  • the second earphone unit adopting the ring horn can achieve better low frequency response
  • the first earphone unit and the second earphone unit can be combined. After use, you can get the acoustic effect of high and low audio response, providing users with a better acoustic experience.
  • the earphones of the prior art when used, sometimes they need to listen to the information of the earphones while taking care of other information around them. For example, when walking on the street, pay attention to listening to the whistle of the car to avoid danger, so it is inevitable In the case of only one earphone unit, in this case, the other earphone unit is not easy to store, and it is easy to pull down the earphones worn on the ear, and the earphone cable is also easy to mess up, bringing the earphone user Use troubles to reduce the user experience.
  • the earphone of the present invention since the first earphone unit and the second earphone unit can be assembled and used together, the problem that the other earphone unit is not easily accommodated when the single ear is carried with the earphone is solved, and the earphone unit is not easily worn in the ear.
  • the earphones on the top are pulled down, the headphone wires are on the same ear side, and the headphone cable is not prone to confusion, which improves the user experience.
  • the second housing 21 includes a second inner wall 212 and a second outer wall 211, which are cylindrical structures.
  • the second outer wall 211 is disposed around the outer circumference of the second inner wall 212.
  • the second inner wall 212 is disposed. Nested inside the second outer wall 211, the second inner wall 212 surrounds the growth hole 25, and the annular horn 22 is disposed between the second inner wall 212 and the second outer wall 211.
  • the long hole 25 has a circular cross section perpendicular to the longitudinal axis L2 of the long hole, and the first housing 11 is a cylinder that cooperates with the long hole 25.
  • the radial cross section of the long hole may also be other shapes such as an ellipse, a triangle, a quadrangle, a hexagon, an octagon, a regular polygon or an irregular shape, and the first casing is correspondingly designed as an elliptical cylinder, a triangular prism, and a rectangular parallelepiped. Etc., the invention is not limited thereto.
  • the long hole 25 is perpendicular to the radial direction of the long hole central axis L2, and the first housing 11 is a cylindrical body matched with the long hole 25, and the long hole 25 has two preferred ones. setting the way:
  • the radial diameter of the long hole 25 and the long hole central axis L2 is a fixed value, that is, the long hole is cylindrical, and the radial diameter D of the first casing 11 perpendicular to the central axis L1 is less than or equal to the long length.
  • the hole 25 is perpendicular to the radial diameter of the long hole central axis L2.
  • the long hole 25 is formed by a plurality of segments along the central axis L2, and each segment corresponds to a set of radial diameters of the long holes.
  • the second inner wall 212 surrounding the growth hole 25 is also composed of a plurality of segments along the central axis L2. .
  • the second inner wall 212 includes a first aperture portion 2121, a second aperture portion 2122, and a transition portion 2123 connecting the first aperture portion 2121 and the second aperture portion 2122;
  • the radial diameter d2 of the long hole 25 in the second aperture portion 2122 is greater than the radial diameter d1 of the long hole 25 in the first aperture portion 2121.
  • the radial diameter D of the first housing 11 is greater than the long aperture 25 in the first aperture.
  • the radial diameter d1 of the portion 2121 is smaller than the radial diameter d2 of the long hole 25 at the second aperture portion 2122, that is, d2>d1, d1 ⁇ D ⁇ d2.
  • the first aperture portion 2121 is adjacent to the earplug 23 of the second earphone unit 2, and the second aperture portion 2122 is disposed on a side of the first aperture portion 2121 away from the earplug 23.
  • the transition portion 2123 provided between the first aperture portion 2121 and the second aperture portion 2122 has a planar circular shape or a side surface of a truncated cone.
  • a platform is formed between the inner circle and the outer circle of the ring, and the inner diameter of the inner ring corresponding to the inner circle is the same as the radial diameter d1 of the first aperture portion 2121, and the outer ring corresponds to the outer circle.
  • the diameter is the same as the radial diameter d2 of the second aperture portion 2122, and the transition portion 2123 forms a support step for supporting the first housing 11 between the first aperture portion 2121 and the second aperture portion 2122 when the first housing 11 is fully inserted After the long hole 25, the sounding end of the first casing is placed on the transition portion 2123 to fix the first casing 11.
  • the transition portion When the transition portion is in the shape of a side of the truncated cone, the cone is cut by a plane parallel to the bottom surface of the cone, the portion between the bottom surface and the cross section is a truncated cone, and the side surface between the bottom surface and the cross section is a side surface, the bottom surface and the cross section.
  • the radial radius between the sides is a continuous gradient and is funnel shaped.
  • the side surface that is in contact with the bottom surface is connected to the second aperture portion 2122, and the side surface that is in contact with one end of the cross section is in contact with the first aperture portion 2121.
  • transition portion 2123 may be of other shapes and configurations.
  • a multi-step step may be provided.
  • the present invention does not limit the specific shape and structure of the transition portion.
  • the transition portion is provided with a cushion pad 26.
  • the cushion pad 26 may be a rubber pad or a silicone pad. Of course, other soft elastic materials may also be used.
  • the cushion pad can effectively prevent the first casing from being inserted into the long hole and the transition. The friction or extrusion is generated to effectively protect the first housing.
  • the second aperture portion 2122 of the second inner wall 212 is provided with a limiting ring 27 for limiting the first housing 11 .
  • the limit ring is made of silicone or rubber. The arrangement of the limiting ring 27 can effectively prevent the first inner casing from being scratched by the second inner wall 212 during the insertion of the long hole to cause scratches or damage the first casing, thereby effectively protecting the first casing.
  • a protective cover including a bottom wall and a side wall.
  • the bottom wall of the protective cover is provided with a circular hole, and the protective cover is directly inserted into the long hole enclosed by the second inner wall and fixed.
  • the first housing can be similarly protected during the insertion of the first housing into the long hole.
  • the earplug 23 of the second earphone unit 2 is disposed on the second outer wall 211, and the second inner wall 212 and the second outer wall 211 form the exit channel 28 of the ring horn 22 near the end of the earplug 23.
  • the second outer wall 211 includes a second outer sidewall 2111 and a cover 2112.
  • the second outer sidewall 2111 is disposed around the second inner wall 212.
  • the cover 2112 has a circular ring structure, and the inner ring corresponds to the inner diameter of the inner circle and the first aperture portion 2121.
  • the radial diameter d1 is the same, the diameter of the outer ring corresponding to the outer circle is the same as the radial diameter d2 of the second aperture portion 2122, the inner circumference of the cover 2112 is connected to the second inner wall 212, and the outer circumference of the cover 2112 and the second outer side
  • the wall 2111 is connected, that is, between the second inner wall and the second outer side wall, and the annular horn 22 is also disposed between the second inner wall 212 and the second outer side wall 2111.
  • the axial length of the first housing 11 is greater than the axial length of the elongated hole 25 or the axial length of the first housing is greater than the axial length of the second aperture portion 2122, ensuring that the first housing is inserted into the elongated hole. There is still a part left outside the long hole to facilitate the insertion and removal of the first housing.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

一种耳机，包括第一耳机单体（1）和第二耳机单体（2），第一耳机单体（1）包括第一壳体（11）和封装于第一壳体（11）内的动铁喇叭（12）；第二耳机单体（2）包括第二壳体（21）和封装于第二壳体（21）内的环形喇叭（22），第二壳体（21）形成用于收容第一壳体（11）的长孔（25），长孔（25）从第二壳体（21）连接耳塞（13,23）的一端向连接耳机线（14，24）的另一端延伸。耳机的两个耳机单体既可以单独使用，也可以组装在一起形成新的耳机单体进行使用，提供了更好的声学效果和用户体验。

Description

一种耳机 技术领域
本发明涉及耳机技术领域。
背景技术
现有的耳机一般包括左、右两个耳机单体，两个耳机单体是对称结构或相同结构，消费者在佩戴使用时只能产生单一的听觉效果，只能获得高频效果或低频效果，且两个耳机单体只能单独使用，无法组装在一起成为一个新的耳机单体，还存在耳机线容易乱等问题，随着人们对耳机声学品质和使用舒适性的要求越来越高，现有的耳机已经远远不能满足人们的要求，因此有必要提供一种声学体验和舒适性更好的新式耳机。
发明内容
针对上述不足，本发明所要解决的一个技术问题是：提供一种耳机，此耳机的两个耳机单体既可以单独使用也可以组装成一个新的耳机单体进行使用。
为解决上述技术问题，本发明的技术方案是：
一种耳机，包括第一耳机单体和第二耳机单体，所述第一耳机单体包括第一壳体和封装于所述第一壳体内的动铁喇叭；所述第二耳机单体包括第二壳体和封装于所述第二壳体内的环形喇叭，所述第二壳体形成用于收容所述第一壳体的长孔，所述长孔从所述第二壳体连接耳塞的一端向连接耳机线的另一端延伸。
优选的，所述第二壳体包括第二内壁和第二外壁，所述第二外壁环绕所述第二内壁外侧设置，所述第二内壁围成所述长孔，所述环形喇叭设于所述第二内壁和所述第二外壁之间，所述长孔经过所述环形喇叭所围成的空心区域或者 所述长孔与所述环形喇叭具有共同的中心轴线。
优选的，所述长孔的径向截面为圆形，所述第一壳体为与所述长孔相配合的圆柱体。
优选的，所述长孔的径向直径为固定值，所述第一壳体的径向直径小于或等于所述长孔的径向直径。
优选的，所述第二内壁包括第一孔径部、第二孔径部、连接所述第一孔径
部和第二孔径部的过渡部；
所述长孔位于所述第二孔径部的径向直径大于所述长孔位于所述第一孔径部的径向直径，所述第一壳体的径向直径大于所述长孔位于所述第一孔径部的径向直径且小于所述长孔位于所述第二孔径部的径向直径；
所述第一孔径部与所述第二耳机单体的耳塞相邻，所述第二孔径部设于所述第一孔径部远离所述耳机的一侧。
优选的，所述过渡部为平面圆环形或圆台的侧面状。
优选的，所述过渡部上设有缓冲垫。
优选的，所述第二内壁的第二孔径部设有对所述第一壳体进行限位的限位环。
优选的，所述第二耳机单体的耳塞设于所述第二外壁上，所述第二内壁和所述第二外壁在靠近所述耳塞的一端形成所述环形喇叭的出声道。
优选的，所述第二外壁包括盖和第二外侧壁，所述第二外侧壁环绕所述第二内壁外侧设置，所述盖设于所述第二内壁和所述第二外侧壁之间。
优选的，所述耳机为无线耳机或者蓝牙耳机。
采用上述技术方案后，耳机包括第一耳机单体和第二耳机单体，第一耳机单体包括第一壳体和封装于第一壳体内的动铁喇叭；第二耳机单体包括第二壳体和封装于第二壳体内的环形喇叭，第二壳体形成用于收容所述第一壳体的长 孔，长孔从第二壳体连接耳塞的一端向连接耳机线的另一端延伸。
本发明的有益效果是：
现有技术中耳机一般包括左、右两个耳机单体，两个耳机单体是对称结构或相同结构，在使用时只能产生单一的听觉效果，只能获得高频效果或低频效果，且两个耳机单体只能单独使用，无法组装成一个新的耳机单体使用。与现有技术中的耳机相比，本发明的耳机既可以实现两个耳机单体的单独使用，也可以将第一耳机单体的耳塞取下，将第一耳机单体插入第二耳机单体的第二外壳的长孔中，组合成一个新的耳机单体进行使用，如图7所示。由于采用动铁喇叭的第一耳机单体能够实现较好的高频响应，采用环形喇叭的第二耳机单体能够实现较好的低频响应，将第一耳机单体与第二耳机单体组合后使用可以得到兼具高低音频响应的声学效果，为用户提供更好的声学体验。
另一方面，现有技术中的耳机在使用时，有时候需要一边听耳机信息一边兼顾接受身边其他信息，如在街道上走路时要注意听取汽车的鸣笛声以规避危险，因此不可避免出现只带一个耳机单体的情况，这种情况下另一个耳机单体不容易收纳，而且容易拽拉下戴在耳朵上的耳机单体，耳机线也容易乱做一团，给耳机用户带来使用烦恼，降低了用户体验。本发明的耳机，由于第一耳机单体和第二耳机单体可以组装在一起使用，解决了单个耳朵带着耳机时，另一个耳机单体不容易收纳的问题，也不会将戴在耳朵上的耳机单体拽拉下，耳机线均在同一个耳朵一侧，不容易出现耳机线混乱的现象，提高了用户体验。
附图说明
图1是本发明第一耳机单体的立体图；
图2是本发明第一耳机单体竖立状态下过第一壳体一条径向直径的纵向剖面图；
图3是本发明第二耳机单体的立体图；
图4是本发明一个实施例中第二耳机单体竖立状态下过长孔一条径向直径的纵向剖面图；
图5是图4第二内壁竖立状态下过长孔一条径向直径的纵向剖面图；
图6是本发明的第一耳机单体和第二耳机单体组装前结构示意图；
图7是本发明的第一耳机单体和第二耳机单体组装后结构示意图；
图中：1：第一耳机单体，2：第二耳机单体，11：第一壳体，12：动铁喇叭，13、23：耳塞，14、24：耳机线，21：第二壳体，22：环形喇叭，25：长孔，26：缓冲垫，27：限位环，28：出声道，211：第二外壁，212：第二内壁，2111：第二外侧壁，2112：盖，2121：第一孔径部，2122：第二孔径部，2123：过渡部，D:第一壳体径向直径，d1：长孔位于第一孔径部的径向直径，d2：长孔位于第二孔径部的径向直径,L1：第一壳体中轴线，L2：长孔中轴线。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。本专利中所指的轴向为长孔或壳体的中心轴的方向，径向是指长孔或壳体垂直于中心轴的截面的直径或半径的方向。
如图1至图7共同所示，一种耳机，包括第一耳机单体1和第二耳机单体2，第一耳机单体1和第二耳机单体2均可单独佩戴于左耳或右耳，本发明并不对单个耳机单体用于左耳或右耳进行限定，第一耳机单体1包括第一壳体11和封装于第一壳体11内的动铁喇叭12，第一壳体11出声端设有耳塞13，第一壳体11设有耳塞13相对的另一端设有耳机线14；第二耳机单体2包括第二壳体21和封装于第二壳体21内的环形喇叭22，第二壳体21还形成用于收容第一壳体11的长孔25，长孔25从第二壳体21连接耳塞23的出声端向连接耳机线24的另一端延伸，长孔25经过环形喇叭22所围成的空心区域或者所述长孔25与环形喇叭22具有共同的中心轴线。动铁喇叭12、环形喇叭22均可以通过胶粘、卡接的方式分别封装在第一壳体11、第二壳体21中，当然也可以采取其他方式实现壳体与收容的相应喇叭之间的固定，本发明对此并不进行限定。
现有技术中耳机一般包括左、右两个耳机单体，两个耳机单体是对称结构或相同结构，在使用时只能产生单一的听觉效果，只能获得高频效果或低频效果，且两个耳机单体只能单独使用，无法组装成一个新的耳机单体使用。与现有技术中的耳机相比，本发明的耳机既可以实现两个耳机单体的单独使用，也可以将第一耳机单体的耳塞取下，将第一耳机单体插入第二耳机单体的第二外壳的长孔中，组装成新的耳机单体使用，如图7所示。由于采用动铁喇叭的第一耳机单体能够实现较好的高频响应，采用环形喇叭的第二耳机单体能够实现较好的低频响应，将第一耳机单体与第二耳机单体组合后使用可以得到兼具高低音频响应的声学效果，为用户提供更好的声学体验。
另一方面，现有技术中的耳机在使用时，有时候需要一边听耳机信息一边兼顾接受身边其他信息，如在街道上走路时要注意听取汽车的鸣笛声以规避危险，因此不可避免出现只带一个耳机单体的情况，这种情况下另一个耳机单体不容易收纳，而且容易拽拉下戴在耳朵上的耳机单体，耳机线也容易乱做一团，给耳机用户带来使用烦恼，降低了用户体验。本发明的耳机，由于第一耳机单体和第二耳机单体可以组装在一起使用，解决了单个耳朵带着耳机时，另一个耳机单体不容易收纳的问题，也不会将戴在耳朵上的耳机单体拽拉下，耳机线均在同一个耳朵一侧，不容易出现耳机线混乱的现象，提高了用户体验。
进一步的，如图2、图3所示，第二壳体21包括第二内壁212和第二外壁211，为筒形结构，第二外壁211环绕第二内壁212外侧圆周设置，第二内壁212嵌套在第二外壁211内部，第二内壁212围成长孔25，环形喇叭22设于第二内壁212和第二外壁211之间。具体的，长孔25垂直于长孔中轴线L2的径向截面为圆形，第一壳体11为与长孔25相配合的圆柱体。当然，上述长孔的径向截面也可以是其他形状如椭圆形、三角形、四边形、六边形、八边形、正多边形或者不规则形状，第一壳体相应设计为椭圆柱状、三角柱、长方体等等，本发明并不对此进行限制。
优选的，长孔25垂直于长孔中轴线L2的径向截面为圆形，第一壳体11为与长孔25相配合的圆柱体的技术方案的基础上，长孔25有两种优选的设置 方式：
第一种设置方式，长孔25垂直与长孔中轴线L2的径向直径为固定值，即长孔为圆柱状，第一壳体11垂直于其中轴线L1的径向直径D小于或等于长孔25垂直于长孔中轴线L2的径向直径。
第二种设置方式，长孔25沿中轴线L2由多段构成，每一段对应的长孔的一组径向直径，相应的，围成长孔25的第二内壁212沿中轴线L2也由多段构成。具体的，如图4、图5所示，第二内壁212包括第一孔径部2121、第二孔径部2122、连接第一孔径部2121和第二孔径部2122的过渡部2123；
其中，长孔25位于第二孔径部2122的径向直径d2大于长孔25位于第一孔径部2121的径向直径d1，第一壳体11的径向直径D大于长孔25位于第一孔径部2121的径向直径d1且小于长孔25位于第二孔径部2122的径向直径d2，即d2＞d1，d1＜D＜d2。第一孔径部2121与第二耳机单体2的耳塞23相邻，第二孔径部2122设于第一孔径部2121远离耳塞23的一侧。
其中，设于第一孔径部2121和第二孔径部2122之间的过渡部2123为平面圆环形或圆台的侧面状。当过渡部2123为平面圆环状时，圆环的内圆与外圆之间形成平台，圆环对应内圆的内径与第一孔径部2121的径向直径d1相同，圆环对应外圆的直径与第二孔径部2122的径向直径d2相同，过渡部2123在第一孔径部2121和第二孔径部2122之间形成支撑第一壳体11的支撑台阶，当第一壳体11完全插入长孔25后，第一壳体的出声端顶在过渡部2123上，实现对第一壳体11的固定。
当所述过渡部为圆台的侧面状时，即用一个平行于圆锥底面的平面去截取圆锥，底面与截面之间的部分为圆台，位于底面与截面之间的侧表面为侧面，底面与截面之间的侧面的径向半径为连续渐变，呈漏斗形。与底面相接一端的侧面与第二孔径部2122连接，与截面相接一端的侧面与第一孔径部2121相接。
当然，过渡部2123也可以是其他形状和结构，例如设有多阶台阶，只要能实现对第一壳体的支撑作用即可，本发明并不对过渡部具体形状和结构进行限定。
优选的，过渡部上设有缓冲垫26，缓冲垫26可以是橡胶垫或硅胶垫，当然也可以是其他软的弹性材质，缓冲垫的设置可以有效防止第一壳体插入长孔后与过渡部产生摩擦或挤压，从而有效保护第一壳体。
优选的，第二内壁212的第二孔径部2122设有对第一壳体11进行限位的限位环27。限位环由硅胶或橡胶制成。限位环27的设置可以有效防止第一壳体插入长孔过程中与第二内壁212摩擦产生划痕或损坏第一壳体，从而有效保护第一壳体。
当然，也可以直接制作包括底壁和侧壁的保护套，保护套的底壁上设有圆孔，将保护套直接插入到第二内壁所围成的长孔中并固定。当两个耳机单体组合使用时，将第一壳体插入长孔的过程中能起到同样的保护第一壳体的作用。
优选的，第二耳机单体2的耳塞23设于第二外壁211上，第二内壁212和第二外壁211在靠近耳塞23的一端形成环形喇叭22的出声道28。
优选的，第二外壁211包括第二外侧壁2111和盖2112，第二外侧壁2111环绕第二内壁212一周设置，盖2112为圆环结构，圆环对应内圆的内径与第一孔径部2121的径向直径d1相同，圆环对应外圆的直径与第二孔径部2122的径向直径d2相同，盖2112的内圆周边与第二内壁212连接，盖2112的外圆周边与第二外侧壁2111相连接，即盖设于第二内壁和第二外侧壁之间，另外环形喇叭22也设于第二内壁212和第二外侧壁2111之间。
另外，第一壳体11的轴向长度大于长孔25的轴向长度或者第一壳体的轴向长度大于第二孔径部2122的轴向长度，保证第一壳体插入到长孔中后，仍有一部分留在长孔外，方便第一壳体的插拔。
以上所述本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同一种通止规精确测试机构结构的改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种耳机，包括第一耳机单体和第二耳机单体，所述第一耳机单体包括第一壳体和封装于所述第一壳体内的动铁喇叭；所述第二耳机单体包括第二壳体和封装于所述第二壳体内的环形喇叭，所述第二壳体形成用于收容所述第一壳体的长孔，所述长孔从所述第二壳体连接耳塞的一端向连接耳机线的另一端延伸。
  2. 根据权利要求1所述的耳机，其特征在于，所述第二壳体包括第二内壁和第二外壁，所述第二外壁环绕所述第二内壁外侧设置，所述第二内壁围成所述长孔，所述环形喇叭设于所述第二内壁和所述第二外壁之间，所述长孔经过所述环形喇叭所围成的空心区域或者所述长孔与所述环形喇叭具有共同的中心轴线。
  3. 根据权利要求2所述的耳机，其特征在于，所述长孔的径向截面为圆形，所述第一壳体为与所述长孔相配合的圆柱体。
  4. 根据权利要求3所述的耳机，其特征在于，所述长孔的径向直径为固定值，所述第一壳体的径向直径小于或等于所述长孔的径向直径。
  5. 根据权利要求3所述的耳机，其特征在于，所述第二内壁包括第一孔径部、第二孔径部、连接所述第一孔径部和第二孔径部的过渡部；
    所述长孔位于所述第二孔径部的径向直径大于所述长孔位于所述第一孔径部的径向直径，所述第一壳体的径向直径大于所述长孔位于所述第一孔径部的径向直径且小于所述长孔位于所述第二孔径部的径向直径；
    所述第一孔径部与所述第二耳机单体的耳塞相邻，所述第二孔径部设于所述第一孔径部远离所述耳塞的一侧。
  6. 根据权利要求5所述的耳机，其特征在于，所述过渡部为平面圆环形或圆台的侧面状。
  7. 根据权利要求5所述的耳机，其特征在于，所述过渡部上设有缓冲垫。
  8. 根据权利要求5所述的耳机，其特征在于，所述第二内壁的第二孔径部设有对所述第一壳体进行限位的限位环。
  9. 根据权利要求2或5所述的耳机，其特征在于，所述第二耳机单体的耳塞设于所述第二外壁上，所述第二内壁和所述第二外壁在靠近所述耳塞的一端形成所述环形喇叭的出声道。
  10. 根据权利要求2或5所述的耳机，其特征在于，所述第二外壁包括盖和第二外侧壁，所述第二外侧壁环绕所述第二内壁外侧设置，所述环形喇叭和盖设于所述第二内壁和所述第二外侧壁之间。
  11. 根据权利要求1所述的耳机，其特征在于，所述耳机为无线耳机或者蓝牙耳机。
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