M422257 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種耳機，特別是涉及一種低頻音可調整的入 耳式耳機。 【先前技術】 入耳式耳機，因其出色的攜帶性、高素質的聲音表現及優 秀的隔音效果，而深受人們的喜愛。 惟，習知的入耳式耳機，一個耳機只能提供單純的一種音 色及頻率響應特性，即只能給人一種聽覺感受，對一般消費者 而言不夠娛樂性，而需要擁有多種聽覺感受就必須分別購買幾 種耳機，這樣增加了使用成本；因此，有必要提供一種低頻音 可調的入耳式耳機，以便消費者可根據個人的喜好及音樂特 性，來調整為自己所喜歡的低音特性，而不需要分別購買各種 耳機就可以擁有不同的聽覺感受。 【新型内容】 本創作之目的就是針對上述習知技術之不足，提供一種低 頻音可調整的入耳式耳機。 為了實現上述目的，本創作提供一種入耳式耳機，包括耳 套、前腔體、喇0八單體、後腔體及調音組件，所述前腔體與後 腔體相互配合連接，耳套固定連接於所述前腔體的另一端，且 所述喇叭單體容置於前腔體内，後腔體呈圓柱筒狀的中空結 構，且後腔體的後端形成一圓形的封閉面，封閉面上部設有數 個與中空結構相連通的調音孔；調音組件包括一可旋轉地連接 於後腔體的後表面上以遮蔽不同數量的調音孔的遮蓋及蓋合 於遮蓋後表面的蓋座。 3 M422257 如上所述，本創作入耳式耳機，其遮蓋可旋轉地連接於後 腔體上，使遮蓋遮蔽後腔體上的不同數量的調音孔。通過選擇 遮蔽不同數量的調音孔，來控制低音的出氣量及流速，從而改 變低音的低頻回應曲線，從而得到不同的聽覺感受。 【實施方式】 為詳細說明本創作的技術内容、構造特徵、所實現目的及 效果，以下結合實施方式並配合附圖詳予說明。 請參閱第一圖、第二圖，本創作入耳式耳機100包括耳套 10、前腔體20、喇叭單體30、後腔體50及手柄60及調音組 件（圖中未標示），調音組件包括阻尼物40、遮蓋70及蓋座 80。其中，前腔體20與後腔體50相互配合連接，耳套10固 定連接於前腔體20的另一端，且喇叭單體30容置於前腔體 20内，阻尼物50設置於後腔體50上，手柄60安裝於後腔體 50的底面，遮蓋70可旋轉地連接於後腔體50的後表面上， 蓋座80蓋合於遮蓋70後表面。 請參閱第一圖、第二圖及第三圖，所述耳套10呈中空結 構，且耳套10的中空結構貫穿其前後兩端，在耳套1〇的内壁 上具有向其中空結構内凸伸出形成的第一抵觸部11，本實施 例中，第一抵觸部11呈圓形結構，用於與前腔體20配合連接； 而前腔體20具有一呈中空結構的連接端21，該連接端21呈 圓柱形結構，在連接端21的前端具有沿其徑向向外凸伸形成 的第二抵觸部22,而連接端21的後端則向外擴張形成呈中空 結構的收容端23，所述收容端23的中空結構形成收容腔24， 收容腔24與連接端21的中空結構相貫通；前腔體20與耳套 10相連接時，前腔體20的連接端21伸入所述耳套10的中空 結構内，並使第一抵觸部11與第二抵觸部22相抵觸，而耳套 4 M422257 10的後端與前腔體20的收容端23相抵觸，從而使兩者卡合 連接。所述喇叭單體30則容置於前腔體20的收容腔24内， 收容端23則與後腔體50配合連接。 請續參閱第一圖、第二圖及第三圖，所述後腔體50呈圓 柱筒狀的中空結構，且後腔體50的後端形成一圓形的封閉面 57，後腔體50的前端則具有一腔口 51，腔口 51貫通後腔體 50的中空結構，其在腔口 51處向外凸伸出呈圓形結構的連接 部52,連接部52與前腔體20的收容端23的開口相配合連接； 所述封閉面57的中部向後水平凸伸一圖柱狀的轉軸54，封閉 面57周側緣向内沖切有一呈圓弧狀的凹槽55，封閉面57上 部設有與中空結構相連通的數個調音孔56，在本實施例中， 遮蓋70可旋轉地樞裝於後腔體50之轉軸54上，並能旋轉地 遮蔽不同數量的調音孔56。 本實施例中，所述阻尼物40設置於後腔體50的中空結構 内，具體地，在封閉面57前端的調音孔56上貼有阻尼物40， 而在封閉面57後端的調音孔56内則沒貼阻尼物40，所述阻 尼物40可為具有一定厚度、密度及不同材質的調音紙；另外， 在後腔體50的底面上還開設有貫通後腔體50的中空結構的安 裝孔53，所述手柄60安裝於該安裝孔53内。 具體地，所述遮蓋70包括一半圓形的基板71，且基板71 的半徑小於封閉面57的半徑且大於轉軸54與調音孔56之間 的距離，基板71的圓心處連接一與轉軸54相對應的轉環73， 且基板71的一端向外延伸一手柄72。 請續參閱第二圖、第三圖、第四圖及第五圖，所述蓋座 80包括一與遮蓋70的後表面相對應的後板81，後板81的上 端沖切有缺口 84，後板81的圓弧端側緣皆向前延伸形成彎曲 部82，且彎曲部82的兩端外側再進一步以和彎曲部82相同 5 M422257 的弧度延伸一卡持部821。後板81和彎曲部82圍成一收容室 83,且後板81内側表面相對於轉軸54開設有橫截面積與轉軸 54相當的軸槽811。組裝時，將遮蓋70蓋合於後腔體50的後 表面，轉軸54穿插於轉環73内，蓋座80蓋合於遮蓋70的後 表面，轉軸54的後端卡持於軸槽811内，且彎曲部82卡持於 凹槽55之上，則後板81與後腔體50的後表面相隔一定的距 離，扳動手柄72，手柄72可在彎曲部82兩端之間沿弧線轉 動從而帶動遮蓋70在收容室83内旋轉而遮蔽不同數量的調音 孔56。當手柄72轉動至彎曲部82端部時，可卡持於卡持部 821的後側。 本創作入耳式耳機100組裝完成時，通過扳動手柄72， 使遮蓋70遮蔽不同數量的調音孔56，可達到控制低音的出氣 量及流速的目的，從而產生不同的低音頻率相應曲線，從而造 就不同的聽覺感受。 如上所述，本創作入耳式耳機100，其遮蓋70可旋轉地 連接於後腔體50上，通過手柄72推動所述遮蓋70的旋轉， 可使遮蓋70遮蔽後腔體50上的不同數量的調音孔56。通過 選擇遮蔽不同數量的調音孔56,來控制低音的出氣量及流速， 從而改變低音的低頻回應曲線，從而得到不同的聽覺感受。 【圖式簡單說明】 第一圖係本創作入耳式耳機之立體圖。 第二圖係第一圖所示入耳式耳機之立體分解圖。 第三圖係第一圖所示入耳式耳機另一角度的立體分解圖。 第四圖係本創作入耳式耳機之剖視圖。 第五圖至第六圖係本創作入耳式耳機之不同狀態的立體 圖。 6 【主要元件符號說明】 入耳式耳機 100 耳套 第一抵觸部 11 前腔體 連接部 21 第二抵觸部 收容端 23 第一收容腔 喇口八單體 30 阻尼物 後腔體 50 腔口 連接部 52 安裝孔 轉軸 54 凹槽 調音孔 56 封閉面 手柄 60 遮蓋 基部 71 手柄 轉環 73 蓋座 後板 81 轴槽 彎曲部 82 卡持部 收容室 83 缺口M422257 V. New description: [New technical field] This creation relates to a type of earphone, in particular to an in-ear earphone with adjustable low frequency sound. [Prior Art] In-ear headphones are popular among people for their excellent portability, high-quality sound performance and excellent sound insulation. However, the conventional in-ear headphones, a headset can only provide a simple tone and frequency response characteristics, that is, can only give people a sense of hearing, not enough entertainment for the average consumer, but need to have a variety of auditory feelings must Buying several types of headphones separately increases the cost of use; therefore, it is necessary to provide an in-ear earphone with adjustable low-frequency sound so that consumers can adjust their favorite bass characteristics according to personal preference and music characteristics. You don't need to buy a variety of headphones to have different listening experiences. [New content] The purpose of this creation is to provide a low-tone adjustable in-ear earphone for the above-mentioned shortcomings of the prior art. In order to achieve the above object, the present invention provides an in-ear earphone, including an earmuff, a front cavity, a single body, a rear cavity and a tuning component, wherein the front cavity and the rear cavity are coupled to each other, and the earmuff is fixed. Connected to the other end of the front cavity, and the horn body is accommodated in the front cavity, the rear cavity has a cylindrical cylindrical hollow structure, and the rear end of the rear cavity forms a circular closed surface The closed surface is provided with a plurality of tuning holes communicating with the hollow structure; the tuning assembly includes a cover rotatably coupled to the rear surface of the rear cavity to shield a different number of tuning holes and a cover covering the rear surface of the cover seat. 3 M422257 As described above, the present in-ear earphone has a cover that is rotatably coupled to the rear cavity so as to cover a different number of tuning holes on the rear cavity. By choosing to mask a different number of tuning holes, the bass output and flow rate are controlled to change the low frequency response curve of the bass, resulting in different auditory perceptions. [Embodiment] The technical contents, structural features, objects and effects achieved by the present invention will be described in detail below with reference to the embodiments. Referring to the first figure and the second figure, the in-ear earphone 100 includes an ear cover 10, a front cavity 20, a speaker unit 30, a rear cavity 50 and a handle 60, and a tuning component (not shown), and a tuning component. The damper 40, the cover 70 and the cover 80 are included. The front cavity 20 and the rear cavity 50 are coupled to each other, the ear cover 10 is fixedly connected to the other end of the front cavity 20, and the horn unit 30 is received in the front cavity 20, and the damper 50 is disposed in the rear cavity. In the body 50, the handle 60 is mounted on the bottom surface of the rear cavity 50, and the cover 70 is rotatably coupled to the rear surface of the rear cavity 50, and the cover 80 covers the rear surface of the cover 70. Referring to the first, second and third figures, the ear cover 10 has a hollow structure, and the hollow structure of the ear cover 10 extends through the front and rear ends thereof, and has an inner structure on the inner wall of the ear cover 1 The first abutting portion 11 is formed in a circular structure for engaging with the front cavity 20; and the front cavity 20 has a connecting end 21 of a hollow structure. The connecting end 21 has a cylindrical structure, and has a second abutting portion 22 formed at a front end of the connecting end 21, and a rear end of the connecting end 21 is outwardly expanded to form a hollow structure. The hollow end of the receiving end 23 forms a receiving cavity 24, and the receiving cavity 24 penetrates with the hollow structure of the connecting end 21; when the front cavity 20 is connected with the earmuff 10, the connecting end 21 of the front cavity 20 extends. Inserting into the hollow structure of the ear cover 10, and the first abutting portion 11 and the second abutting portion 22 are in contact with each other, and the rear end of the ear cover 4 M422257 10 is in contact with the receiving end 23 of the front cavity 20, thereby The two are snapped together. The horn unit 30 is received in the receiving cavity 24 of the front cavity 20, and the receiving end 23 is coupled to the rear cavity 50. Referring to the first, second and third figures, the rear cavity 50 has a cylindrical cylindrical hollow structure, and the rear end of the rear cavity 50 forms a circular closed surface 57, and the rear cavity 50 The front end has a cavity 51, and the cavity 51 penetrates the hollow structure of the rear cavity 50, and protrudes outwardly from the cavity 51 to form a circular connecting portion 52, and the connecting portion 52 and the front cavity 20 The opening of the receiving end 23 is matched and connected; a central portion of the closing surface 57 protrudes rearwardly from the columnar shaft 54. The peripheral edge of the closing surface 57 is inwardly punched with an arcuate groove 55, and the closing surface 57 The upper portion is provided with a plurality of tuning holes 56 communicating with the hollow structure. In the present embodiment, the cover 70 is rotatably pivotally mounted on the rotating shaft 54 of the rear cavity 50, and rotatably shields a different number of tuning holes 56. In this embodiment, the damper 40 is disposed in the hollow structure of the rear cavity 50. Specifically, the damper 40 is attached to the tuning hole 56 at the front end of the closing surface 57, and the tuning hole 56 at the rear end of the closing surface 57 is provided. The damper 40 is not affixed inside, and the damper 40 can be a tuned paper having a certain thickness, density and different materials; in addition, a hollow structure through the rear cavity 50 is also installed on the bottom surface of the rear cavity 50. The hole 53 is mounted in the mounting hole 53. Specifically, the cover 70 includes a semi-circular substrate 71, and the radius of the substrate 71 is smaller than the radius of the closed surface 57 and larger than the distance between the rotating shaft 54 and the tuning hole 56. The center of the substrate 71 is connected to the rotating shaft 54. Corresponding to the rotating ring 73, and one end of the substrate 71 extends outwardly from a handle 72. Referring to the second, third, fourth and fifth figures, the cover 80 includes a rear plate 81 corresponding to the rear surface of the cover 70, and the upper end of the rear plate 81 is punched with a notch 84. The arcuate end side edges of the rear plate 81 are all extended forward to form a curved portion 82, and the outer ends of the bent portion 82 are further extended by a latching portion 821 at the same curvature as the curved portion 82 by 5 M422257. The rear plate 81 and the curved portion 82 enclose a receiving chamber 83, and the inner surface of the rear plate 81 is provided with a shaft groove 811 having a cross-sectional area corresponding to the rotating shaft 54 with respect to the rotating shaft 54. When assembled, the cover 70 is covered on the rear surface of the rear cavity 50, the rotating shaft 54 is inserted into the rotating ring 73, the cover 80 is covered on the rear surface of the cover 70, and the rear end of the rotating shaft 54 is locked in the axial groove 811. And the curved portion 82 is clamped on the groove 55, the rear plate 81 is separated from the rear surface of the rear cavity 50 by a certain distance, and the handle 72 is pulled, and the handle 72 can be rotated along the arc between the two ends of the curved portion 82. Thereby, the cover 70 is rotated in the accommodating chamber 83 to shield a different number of tuning holes 56. When the handle 72 is rotated to the end of the curved portion 82, it can be held on the rear side of the holding portion 821. When the in-ear earphone 100 is assembled, the cover 70 is shielded to shield a different number of tuning holes 56 by the handle 72, so as to control the air volume and the flow rate of the bass, thereby generating different bass frequency corresponding curves, thereby creating Different auditory feelings. As described above, the present in-ear earphone 100 has a cover 70 rotatably coupled to the rear cavity 50, and the rotation of the cover 70 is pushed by the handle 72, so that the cover 70 shields a different number of the rear cavity 50. Tuning hole 56. By selecting a different number of tuning holes 56 to control the outflow and flow rate of the bass, the low frequency response curve of the bass is changed to obtain different auditory sensations. [Simple description of the diagram] The first picture is a perspective view of the in-ear headphones. The second figure is an exploded perspective view of the in-ear headphones shown in the first figure. The third figure is an exploded perspective view of another angle of the in-ear headphones shown in the first figure. The fourth picture is a cross-sectional view of the present in-ear earphone. The fifth to sixth figures are perspective views of different states of the in-ear headphones. 6 [Description of main component symbols] In-ear earphone 100 Earmuffs First abutting part 11 Front cavity connecting part 21 Second abutting part receiving end 23 First receiving cavity La Port Eight single 30 Damper rear cavity 50 Port connection Portion 52 Mounting hole shaft 54 Groove tuning hole 56 Closed surface handle 60 Covering base 71 Handle swivel 73 Cover seat back plate 81 Shaft groove bending portion 82 Clamping portion accommodation chamber 83 Notch