M378590 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種耳機，尤其涉及一種可調音耳機。 【先前技術】 耳朵能聽到頻率範圍通常在16到1600Hz之間。廣義地 來說，只要能夠產生聲音的都叫做訊源，像各種視聽產品，如 隨身聽、個人資料處理器（PDA)、MP4和行動電話等都是訊 源，但是只有訊源是沒有辦法產生我們可以聽到的聲音，必須 通過相關的電子裝置來產生、傳遞電子信號，並且通過揚聲器 擴放而成為我們人耳能聽到的聲音。進一步的說法是，只要可 以產生聲音，並且能接收電子信號的設備，都可以稱作揚聲器。 目前，揚聲器的種類很多，平面揚聲器中的一種：耳機， 就是揚聲器中的一種。隨著電子技術的發展，各種視聽產品， 如隨身聽、個人資料處理器（PDA)、MP4和行動電話等越發 普及，相應地，用於上述產品接聽使用的耳機同時得以廣泛應 用，使用耳機的人們可以互不干擾的享受音樂或者接收資訊， 來達到在特定場合下不干擾他人的目的，給人們帶來諸多方 便0 現有技術中的耳機，聲音大小和音質效果的調整是由播放 設備來調整控制實現的，耳機本身無法對聲音大小和音質效果 進行調整，由於現有的耳機自身沒有設置調音裝置，耳機的音 質效果完全由播放設備品質和耳機品質所限制，給使用者帶來 諸多不便。 如第一圖及第二圖所示，改進型常用的耳機2主要由耳機 外殼21、喇队單體22以及蓋體23所構成，其中，喇叭單體 22設置在耳機外殼21内，並通過該蓋體23的調音孔231，向 3 M378590 外發出聲音；喇叭單體22與耳機外殼21之間形成一個共振腔 24，該共振腔24能調整耳機2所發出的聲音的品質。經試驗 證明，該共振腔24與外界空間連通與否，將影響耳機2的聽 音效果。根據共振腔24與外界空間連通與否，耳機2可分為 封閉式和開放式。第一圖及第二圖所示的耳機2即為一開放式 耳機，其耳機外殼21上開設有多個調音孔211。該改進型的 耳機2在設計與製作過程中，其封閉式或開放式的設計就已經 固定，無法在使用過程中進行改變。消費者在使用耳機的時候 無法在不改變原有結構的情況下改變耳機的聽音效果，即無法 使用同一耳機感受不同特色的聲音。 ® 【新型内容】 本創作的目的在於針對上述習知技術的不足提供一種可 調音耳機，該可調音耳機可改變耳機内部的氣流壓力，從而改 變耳機與耳朵内部的氣流壓力，進而改變耳機因密閉壓力場所 產生的低頻，實現壓力越小低頻越少，壓力越大低頻越多的特 色，進而改變耳機的聲音表現。 為達成上述目的，本創作所提供的可調音耳機包括後殼 · 體、前殼體及喇η八單體，所述後殼體具有空腔，後殼體凸設有 擋塊，所述前殼體與後殼體旋轉連接，前殼體具有通槽，通槽 與所述空腔相連通，所述前殼體開設有至少兩個與通槽連通的 通孔，旋轉後殼體或/和前殼體時，所述擋塊遮擋通孔，所述 喇1^八單體具有音膜，音膜面向所述通槽設置。 如上所述，本創作可調音耳機通過旋轉後殼體或/和前殼 體，通過擋塊遮擋或開啟前殼體上的通孔，從而改變耳機内部 的氣流壓力，從而改變耳機與耳朵内部的氣流壓力，進而改變 [S ] 4 M378590 耳機因密閉壓力場所產生的低頻，實現壓力越小低頻越少，壓 力越大低頻越多的特色，進而改變耳機的聲音表現。 【實施方式】 為詳細說明本創作之技術内容、構造特徵、所達成目的及 功效，以下茲舉例並配合圖式詳予說明。 請參閱第三圖A，本創作可調音耳機1包括後殼體11、 前殼體12以及喇η八單體13，該調音耳機1的喇《八單體13發 出的聲音通過前殼體12傳出。 • 請參閱第三圖A、第四圖及第六圖，可調音耳機1的後殼 體11與前殼體12旋轉連接，該後殼體11中開設有空腔111， 該後殼體11面向該前殼體12的一端面凸設有擋塊112。具體 地，該後殼體11大體上呈圓柱形結構，後殼體11的空腔111 與後殼體11的形狀相吻合，即：空腔111也呈圓柱形。擂塊 112呈圓弧形，並凸設於前殼體12的端面上。 請參閱第三圖B、第四圖及第五圖，該可調音耳機1的前 殼體12包括傳音筒體121和卡持部122，該卡持部122由該 φ 傳音筒體121的末端向外擴張延伸而形成。在本實施例中，傳 音筒體121的末端沿著傳音筒體121的徑向方向往外延伸形成 卡持部122。該卡持部122開設有凹腔1221，沿該凹腔1221 的底部開設有傳音通道1211，該傳音通道1211貫穿該傳音筒 體121。該傳音通道1211與該凹腔1221形成通槽，該通槽與 後殼體11的空腔111相連通。該前殼體12的卡持部122的凹 腔1221内開設有通孔1222a、1222b及1222c，所述通孔1222a、 1222b及1222c逆時針排列，即：所述通孔1222a、1222b及 1222c開設於所述卡持部122並與所述凹腔1221相貫通。後 5 M378590 殼體11的擋塊112旋接於前殼體12的凹腔1221内，實現後 殼體11與前殼體12的旋轉連接。 詳細地，該前殼體12所開設的三個通孔1222a、1222b及 1222c的孔徑互不相同，在本實施例中，該三個通孔1222a、 1222b及1222c以通槽為圓心等徑分佈，並且，三個通孔 1222a、1222b及1222c的孔徑呈逆時針依次減小。當後殼體 11與前殼體12相對旋轉時，可調整後殼體u的擋塊H2遮 擋或開通前殼體12上的通孔1222a、1222b及1222c。所述的 後殼體11與前殼體12相對旋轉分別有三種情況：1.後殼體11 靜止’轉動前殼體12 ; 2.前殼體12靜止，轉動後殼體11 ; 3. 前殼體12與後殼體11 一起轉動，且該前殼體12與後殼體11 相對轉動。 請續參閱第三圖B，當後殼體11的擋塊112旋轉至如第 三圖B位置，檔塊112遮擋住通孔1222a，而通孔1222b和1222c 則沒有被遮擋。在本創作的其他實施例中，旋轉後殼體，後殼 體的擋塊可遮擋兩個通孔1222a和1222b，也可遮擋三個通孔 1222a、1222b 及 1222c。 需要說明的是，本創作可調音耳機1的所述通孔不限於上 述實施例中的三個通孔之數量，通孔數量可為兩個或兩個以上 的任意數量，視具體情況而定。此外，通孔的孔徑不限於上述 的呈逆時針依次減小，在其他實施例中，通孔的孔徑也可為呈 順時針依次減小或不規則排布，視具體情況而定。 請參閱第四圖、第七圖及第八圖，可調音耳機丨的喇π八單 體13包括音膜131，音圈132、磁鐵133、墊片134、遮蔽罩 135、擋片136及連接件137。該遮蔽罩135的一面向内凹形 成凹槽1351 ’音膜131，音圈132、磁鐵133及墊片134設置 於該凹槽1351中，其中，該音圈132呈圓環狀，磁鐵133和 6 M378590 墊片134設置於該音圈132中心’音膜13ι的一 曲朝向剐殼體 12的通槽設置’該音膜Π1的另一面相對音圈13 ^ 〇又置〇碑 蔽罩135上開設有若干個洩氣孔1352，擋片136破v 孔1352 ’且該連接件137安裝在遮蔽罩135的另—田冷氣 參考第三圖Α至第八圖，本創作使用時，當味卜八 的連接件137通電，電信號流經音圈132，土 3 玲圈132產生磁六 變化而與磁鐵133的磁場相互作用，音圈13 刀 丨現者電子信號轡 化而被磁鐵133所吸引或排斥，並帶動音膜 疋雙 、 移動，由此你M378590 V. New description: [New technical field] The present invention relates to a type of earphone, in particular to an adjustable sound earphone. [Prior Art] The frequency at which the ear can hear is usually between 16 and 1600 Hz. Broadly speaking, as long as the sound can be called the source, such as various audio-visual products, such as the Walkman, personal data processor (PDA), MP4 and mobile phones are all sources, but only the source is no way to generate The sound we can hear must be generated and transmitted by the relevant electronic devices, and amplified by the speaker to become the sound that our human ear can hear. Further, any device that can generate sound and can receive electronic signals can be called a speaker. At present, there are many types of speakers, one of the flat speakers: the earphone, which is one of the speakers. With the development of electronic technology, various audio-visual products, such as the Walkman, Personal Data Processor (PDA), MP4, and mobile phones, have become more and more popular. Accordingly, the earphones used for the above-mentioned products are widely used at the same time, and the headphones are used. People can enjoy music or receive information without disturbing each other, to achieve the purpose of not disturbing others in a specific occasion, and bring a lot of convenience to people. 0 In the prior art, the adjustment of the sound size and sound quality is adjusted by the playback device. The control realizes that the earphone itself cannot adjust the sound size and sound quality. Since the existing earphone itself does not have a tuning device, the sound quality of the earphone is completely limited by the quality of the playback device and the quality of the earphone, which brings a lot of inconvenience to the user. As shown in the first and second figures, the improved conventional earphone 2 is mainly composed of a headphone casing 21, a racquet unit 22, and a cover body 23, wherein the horn unit 22 is disposed in the earphone casing 21 and passes through The tuning hole 231 of the cover 23 emits sound to the outside of the 3 M378590; a resonant cavity 24 is formed between the speaker unit 22 and the earphone casing 21, and the resonant cavity 24 can adjust the quality of the sound emitted by the earphone 2. It has been proved by experiments that whether the resonant cavity 24 is connected to the external space or not will affect the listening effect of the earphone 2. According to whether the resonant cavity 24 is connected to the external space, the earphone 2 can be divided into a closed type and an open type. The earphone 2 shown in the first and second figures is an open type earphone, and a plurality of tuning holes 211 are defined in the earphone casing 21. In the design and production process of the improved earphone 2, the closed or open design has been fixed and cannot be changed during use. When the consumer uses the earphone, the earphones cannot be changed without changing the original structure, that is, the same earphone cannot be used to feel the different characteristics. ® [New Content] The purpose of this creation is to provide a tunable earphone for the above-mentioned deficiencies of the prior art. The tunable earphone can change the airflow pressure inside the earphone, thereby changing the airflow pressure inside the earphone and the ear, thereby changing the earphone due to airtightness. The low frequency generated by the pressure place, the lower the pressure, the less the low frequency, the higher the pressure, the more the low frequency features, and thus the sound performance of the earphone. In order to achieve the above object, the tunable earphone provided by the present invention comprises a rear case body, a front case and a slewing unit, the rear case has a cavity, and the rear case is convexly provided with a stopper, the front The housing is rotatably connected to the rear housing, the front housing has a through slot, and the through slot communicates with the cavity, the front housing is provided with at least two through holes communicating with the through slot, and the rear housing is rotated or And the front cover, the block blocks the through hole, and the single body has a sound film, and the sound film is disposed facing the through groove. As described above, the present variable-tuning earphone changes the airflow pressure inside the earphone by rotating the rear casing or/and the front casing through the stopper to block or open the through hole in the front casing, thereby changing the inside of the earphone and the ear. Airflow pressure, which in turn changes the [S] 4 M378590 earphones due to the low frequency generated by the closed pressure field, the lower the pressure, the less the low frequency, the higher the pressure, the more the low frequency features, and thus the sound performance of the headphones. [Embodiment] In order to explain in detail the technical contents, structural features, achieved goals and effects of the present invention, the following is a detailed description with reference to the drawings. Referring to FIG. 3A, the present tunable earphone 1 includes a rear case 11, a front case 12, and a slewing unit 13. The sound emitted by the eight-single 13 of the tuned headphone 1 passes through the front case 12. Outgoing. • Referring to FIG. 3A, FIG. 4 and FIG. 6 , the rear housing 11 of the adjustable earphone 1 is rotatably connected to the front housing 12 , and the rear housing 11 is provided with a cavity 111 , and the rear housing 11 is opened. A stopper 112 is protruded toward an end surface of the front housing 12. Specifically, the rear housing 11 has a substantially cylindrical structure, and the cavity 111 of the rear housing 11 conforms to the shape of the rear housing 11, i.e., the cavity 111 is also cylindrical. The block 112 has a circular arc shape and is protruded from the end surface of the front case 12. Referring to FIG. 3B, FIG. 4 and FIG. 5, the front housing 12 of the adjustable earphone 1 includes a sound tube body 121 and a holding portion 122. The holding portion 122 is composed of the φ sound tube body 121. The ends are expanded outward to form. In the present embodiment, the end of the sound tube body 121 extends outward in the radial direction of the sound tube body 121 to form the holding portion 122. The holding portion 122 defines a cavity 1221. A sound transmission channel 1211 is defined along the bottom of the cavity 1221. The sound transmission channel 1211 extends through the sound transmission body 121. The sound transmission passage 1211 forms a through groove with the cavity 1221, and the through groove communicates with the cavity 111 of the rear case 11. Through holes 1222a, 1222b, and 1222c are formed in the cavity 1221 of the latching portion 122 of the front housing 12, and the through holes 1222a, 1222b, and 1222c are arranged counterclockwise, that is, the through holes 1222a, 1222b, and 1222c are opened. The holding portion 122 penetrates the cavity 1221. The rear cover of the rear housing 11 and the front housing 12 is realized by the rear end of the rear housing 11 and the front housing 12. In detail, the apertures of the three through holes 1222a, 1222b, and 1222c of the front housing 12 are different from each other. In the embodiment, the three through holes 1222a, 1222b, and 1222c are equally distributed in the center of the channel. And, the apertures of the three through holes 1222a, 1222b, and 1222c are sequentially decreased counterclockwise. When the rear housing 11 and the front housing 12 are relatively rotated, the stopper H2 of the rear housing u can be adjusted to block or open the through holes 1222a, 1222b and 1222c of the front housing 12. There are three cases in which the rear housing 11 and the front housing 12 rotate relative to each other: 1. The rear housing 11 is stationary 'rotating the front housing 12; 2. The front housing 12 is stationary, rotating the rear housing 11; 3. Front The housing 12 rotates together with the rear housing 11, and the front housing 12 and the rear housing 11 rotate relative to each other. Referring to the third figure B, when the stopper 112 of the rear casing 11 is rotated to the position as in the third figure B, the block 112 blocks the through hole 1222a, and the through holes 1222b and 1222c are not blocked. In other embodiments of the present invention, the rear housing, the stop of the rear housing can block the two through holes 1222a and 1222b, and can also block the three through holes 1222a, 1222b and 1222c. It should be noted that the through hole of the present adjustable-tone earphone 1 is not limited to the number of three through holes in the above embodiment, and the number of through holes may be any two or more, depending on the specific situation. . In addition, the aperture of the through hole is not limited to the above-described counterclockwise reduction. In other embodiments, the aperture of the through hole may also be sequentially reduced clockwise or irregularly arranged, as the case may be. Referring to FIG. 4, FIG. 7 and FIG. 8 , the accommodating earphone 13 includes a sound film 131, a voice coil 132, a magnet 133, a spacer 134, a shielding cover 135, a blocking piece 136 and a connection. Item 137. A face of the mask 135 is concavely formed to form a groove 1351 'the sound film 131. The voice coil 132, the magnet 133 and the spacer 134 are disposed in the groove 1351. The voice coil 132 has an annular shape, and the magnet 133 and 6 M378590 spacer 134 is disposed at the center of the voice coil 132. The sound film 131 is disposed toward the slot of the casing 12. The other surface of the diaphragm Π1 is placed on the cover 135. A plurality of air vents 1352 are opened, and the blocking piece 136 breaks the v hole 1352' and the connecting member 137 is installed on the other side of the shielding cover 135. Referring to the third to eighth figures, when the creation is used, The connecting member 137 is energized, the electric signal flows through the voice coil 132, and the earth 3 circle 132 generates a magnetic six change and interacts with the magnetic field of the magnet 133, and the voice coil 13 is smashed by the current electronic signal and attracted by the magnet 133 or Repel, and drive the sound film to double, move, and thus you
得壓縮或者放鬆的空氣而發出聲波。由於可調立耳機1 體12開設了通孔1222a、1222b及1222c ，補、^热社的別殼 11或/和則设體12 ’擔塊112遮擋或開啟前殼體 上的通孔 122，從而改變耳機内部的氣流壓力，並調整喇π八單體所發 聲音到耳朵的距離，改變聲音所產生的時間差，進而調整聲^ 的空間感。 θSound waves are compressed or relaxed. Since the adjustable vertical earphone 1 body 12 has through holes 1222a, 1222b and 1222c, the cover 11 or/and the body 12' the load block 112 blocks or opens the through hole 122 on the front case, thereby Change the airflow pressure inside the earphone, and adjust the distance from the sound emitted by the π-single to the ear, change the time difference generated by the sound, and then adjust the spatial sense of the sound ^. θ
請參閱第三圖Α至第三圖Β，當擋塊112擋住前殼體12 上的兩個通孔1222a和1222b’該可調音耳機1發出的聲音中 低頻音部分比常用的耳機發出的聲音中低頻音部分少；當擋塊 112只播住前殼體12上的一個通孔1222a，該可調音耳機1發 出的聲音中低頻音部分比擋住兩個通孔1222a和1222b時的 耳機發出的聲音中低頻音部分少。在創作的其他實施例中，擋 塊112也可遮擋三個通孔1222a、1222b及1222c。 綜上所述，本創作可調音耳機1通過旋轉後殼體I1或/ 和前殼體12，通過擋塊112遮擋或開啟前殼體12上的通孔 1222a、1222b及1222c，從而改變耳機1内部的氣流歷力’從 而改變耳機1與耳朵内部的氣流壓力，進而改變耳機1因密閉 壓力場所產生的低頻，實現壓力越小低頻越少，壓力越大低頻 越多的特色，進而改變耳機1的聲音表現》 r 7 M378590 【圖式簡單說明】 第一圖為習知的耳機之截面示意圖。 第二圖為第一圖所示的耳機中耳機外殼之結構示意圖。 第三圖A為本創作可調音耳機之立體圖。 第三圖B為第三圖A所示可調音耳機之部分截面圖。 第四圖為第三圖A所示可調音耳機之立體分解圖。 第五圖為第三圖A所示可調音耳機中前殼體之結構示意 圖。 第六圖為第三圖A所示可調音耳機中後殼體之結構示意 圖。 第七圖為第三圖A所示可調音耳機中喇队單體之結構示 意圖。 第八圖為第三圖A所示可調音耳機後殼體與喇Ά單體之 裝配示意圖。 【主要元件符號說明】 (習知） 耳機 2 耳機外殼 21 調音孔 211 喇0八單體 22 蓋體 23 調音通孔 231 共振腔 24 (本創作） 可調音耳機 1 後殼體 11 空腔 111 擋塊 112 前殼體 12 傳音筒體 121 傳音通道 1211 M378590 卡持部 122 凹腔 1221 喇队單體 13 音膜 131 音圈 132 磁鐵 133 墊片 134 遮蔽罩 135 凹槽 135 洩氣孔 1352 擋片 136 連接件 137 外護套 125 開口 1251 通孔 1222a、 1222b ' 1222cReferring to the third to third figures, when the stopper 112 blocks the two through holes 1222a and 1222b on the front casing 12, the sound of the low frequency sound in the sound of the adjustable earphone 1 is higher than that of the commonly used earphone. The middle and low frequency sound portions are small; when the stopper 112 only plays a through hole 1222a on the front casing 12, the low frequency sound portion of the sound emitted by the adjustable sound earphone 1 is emitted from the earphone when the two through holes 1222a and 1222b are blocked. There are fewer low frequency parts in the sound. In other embodiments of the creation, the block 112 can also block the three through holes 1222a, 1222b, and 1222c. In summary, the present adjustable-tone earphone 1 changes the earphone 1 by rotating the rear casing I1 or/and the front casing 12, blocking or opening the through holes 1222a, 1222b and 1222c on the front casing 12 through the stopper 112. The internal airflow force 'changes the airflow pressure inside the earphone 1 and the ear, thereby changing the low frequency generated by the earphone 1 due to the closed pressure field, so that the lower the pressure, the less the low frequency, the greater the pressure, the more the low frequency, and thus the earphone 1 is changed. Sound performance" r 7 M378590 [Simple description of the diagram] The first picture is a schematic cross-sectional view of a conventional earphone. The second figure is a schematic structural view of the earphone casing in the earphone shown in the first figure. The third picture A is a perspective view of the creative adjustable earphone. FIG. 3B is a partial cross-sectional view of the adjustable earphone shown in FIG. The fourth figure is an exploded perspective view of the adjustable earphone shown in the third figure A. The fifth figure is a schematic structural view of the front case in the adjustable earphone shown in the third figure A. The sixth figure is a schematic structural view of the rear case in the adjustable earphone shown in the third figure A. The seventh figure is a schematic view of the structure of the racquet unit in the tunable headphone shown in the third figure A. The eighth figure is a schematic view of the assembly of the rear casing and the lazy unit of the adjustable earphone shown in the third figure A. [Main component symbol description] (General) Headphones 2 Headphone housing 21 Tuning hole 211 La 0 eight single 22 Cover 23 Tuning through hole 231 Resonant cavity 24 (this creation) Adjustable earphone 1 Rear case 11 Cavity 111 block Block 112 Front housing 12 Sound tube body 121 Sound transmission channel 1211 M378590 Hold portion 122 Cavity 1221 Raft unit 13 Sound film 131 Voice coil 132 Magnet 133 Gasket 134 Mask 135 Groove 135 Vent hole 1352 136 Connector 137 Outer sheath 125 Opening 1251 Through hole 1222a, 1222b ' 1222c