M341786 八、新型說明： ‘ 【新型所屬之技術領域】 _ 本創作係關於一種進氣閥總成，尤指一種可縮短氣動 式警笛的反應時間，減少空氣消耗量的裝置。 【先前技術】 • 在第一圖中，顯示一氣動式警笛10a動作時的内部構 造。該氣動式警笛6〇a包含一殼體，及一發音機構8〇a 設於殼體70内，並具有一連接裝置9〇a及一進氣閥總成 • 1〇a設在殼體70的一端。上述連接裝置9〇a包含一管接頭 91a鎖緊於殼體7〇上，及分別連接於管接頭913二端的插 頭92和插座93 ;其中，插頭92用來連接空氣軟管（圖未 示；此軟管的另一端連接氣壓源），插座93在水中使用時 用來連接呼吸管（圖未示；在陸地使用時，該插座93沒有 作用），使警笛60a和呼吸管共用一氣壓源。進氣閥總成 10a包含一閥座20a安裝於殼體7〇,並與管接頭9ia鎖緊一 龜起，具有一成軸方向設置的裝配孔21，及成徑方向設於外 周部而與裝配孔21連通的孔洞23 ; 一氣嘴仂，固定於管 接頭91a内，具有一閥心12，以開閉流向殼體7〇内部的氣 、體通路；一按鈕40a，支持於閥座20a滑動，以控制閥心 * 12的開閉，及一壓力彈簧50a，支持於管接頭91a和按鈕 40a之間，以藉其彈性回復力將按鈕4〇3保持在上死點， 使閥心12處於閉閥位而閉塞氣體通路。 按照該氣動式警笛6〇a，壓下按鈕40a時，氣嘴11的 閥心12就會位移使氣體通路打開（如第一圖所示），而允許 5 M341786 空氣通過氣嘴11流入殼體70内，驅動發音機構80a的一活 塞81持續而快速地撞擊一鋼片82,由此發出聲音警示信 ' 號，供水中或陸地聯絡、求救之用，直到放開按鈕40a， . 上述警示聲音才會停止。關於該氣動式警笛60a的技術特 徵及工作原理，揭示於第85203415號專利案，不再贅述 (按，在該專利案中，其創作名稱為：潛水用音響聯絡器， 在本創作中則稱為氣動式警笛，並且所使用的元件名稱與 該專利案不完全一致）。 • 由於上述氣嘴11的流入口 13離殼體70的進氣口 71還 有一段距離，閥心12受按鈕40a的推動而向下移動時，空 氣須先通過氣嘴11才能經由進氣口 71流入殼體70内，驅 動發音機構80a發出聲音警示信號，造成反應時間較長， 同時增加空氣消耗量。 【新型内容】 本創作的目的在於解決上述氣動式警笛的缺失，而提 供一種改良的進氣閥總成，可以使閥在開啟的瞬間立即流 入殼體，驅動發音機構發出聲音警示信號，縮短氣動式警 笛的反應時間，減少空氣消耗量。 ^ 實現本創作的氣動式警笛進氣閥總成，包含一閥座， - 具有一成軸方向設置的裝配孔，及至少一成徑方向設於外 周部並與裝配孔連通的孔洞；一滑軸，可滑動的裝於閥座 的裝配孔内，具有一成軸方向設置的氣室，及至少一成徑 方向設於外周部並與氣室連通的流出孔；一按鈕，具有一 桿部插入閥座的裝配孔内，並與滑軸連結，及一自桿部上 6 M341786 端成徑方向擴張而成的操作部；及—壓力_4置_ = 3；；藉其彈性回復力將滑軸的至少:流出孔^ 在與閥座的至少一孔洞錯開的閉閥位。 上述閥座又包含-環繞外周部的凹槽，該 設於該凹槽中。 利 上述滑軸的上端及按㈣末端設有可相互螺合的螺 紋。曰設於滑軸上端的螺紋為陰螺紋，設於按紐末端的螺紋 為1¼螺紋。M341786 VIII. New description: ‘ 【New technical field】 _ This is a kind of intake valve assembly, especially a device that can shorten the reaction time of pneumatic siren and reduce air consumption. [Prior Art] • In the first figure, the internal structure of a pneumatic siren 10a is shown. The pneumatic siren 6〇a includes a casing, and a sounding mechanism 8〇a is disposed in the casing 70, and has a connecting device 9〇a and an intake valve assembly • 1〇a is disposed in the casing 70 One end. The connecting device 9A includes a pipe joint 91a locked to the casing 7〇, and a plug 92 and a socket 93 respectively connected to the two ends of the pipe joint 913; wherein the plug 92 is used for connecting an air hose (not shown; The other end of the hose is connected to a pneumatic source. The socket 93 is used to connect the breathing tube when it is used in water (not shown; when the land is used, the socket 93 has no effect), so that the siren 60a and the breathing tube share a source of air pressure. The intake valve assembly 10a includes a valve seat 20a mounted on the housing 7〇, and locked with the pipe joint 9ia, having a mounting hole 21 disposed in an axial direction, and a diameter direction disposed on the outer peripheral portion. a hole 23 communicating with the mounting hole 21; a nozzle 固定, fixed in the pipe joint 91a, having a valve core 12 for opening and closing the gas and body passages flowing to the inside of the casing 7; a button 40a supporting the sliding of the valve seat 20a, The control valve core*12 is opened and closed, and a pressure spring 50a is supported between the pipe joint 91a and the button 40a to maintain the button 4〇3 at the top dead center by its elastic restoring force, so that the valve core 12 is closed. Block the gas path. According to the pneumatic siren 6〇a, when the button 40a is depressed, the valve core 12 of the nozzle 11 is displaced to open the gas passage (as shown in the first figure), and 5 M341786 air is allowed to flow into the housing through the nozzle 11. In 70, a piston 81 driving the sounding mechanism 80a continuously and quickly hits a steel sheet 82, thereby issuing an audible warning letter, for water supply or land contact, for help, until the button 40a is released, the above warning sound Will stop. The technical features and working principle of the pneumatic siren 60a are disclosed in Patent No. 85,351,415, and will not be described again. (In the patent case, the name of the patent is: a diving audio contact device, which is called in this creation. It is a pneumatic siren and the name of the component used is not exactly the same as the patent). • Since the inflow port 13 of the air nozzle 11 is still at a distance from the air inlet 71 of the housing 70, and the valve core 12 is pushed downward by the push of the button 40a, the air must first pass through the air nozzle 11 to pass through the air inlet. 71 flows into the casing 70, and the sounding mechanism 80a is driven to emit an audible warning signal, resulting in a longer reaction time and an increase in air consumption. [New content] The purpose of this creation is to solve the lack of the above-mentioned pneumatic siren, and to provide an improved intake valve assembly, which can make the valve flow into the casing immediately at the moment of opening, drive the sounding mechanism to emit an audible warning signal, and shorten the pneumatic The reaction time of the siren reduces the air consumption. ^ The pneumatic siren intake valve assembly of the present invention comprises a valve seat, - an assembly hole provided in an axial direction, and at least one hole which is disposed in the outer peripheral portion and communicates with the assembly hole; a shaft slidably mounted in the mounting hole of the valve seat, having a gas chamber disposed in an axial direction, and at least one outflow hole disposed in the outer peripheral portion and communicating with the air chamber; a button having a rod portion Inserted into the mounting hole of the valve seat and connected with the sliding shaft, and an operation portion which is formed by expanding the diameter of the 6 M341786 end from the rod portion; and - pressure_4 is set to _ = 3; At least: the outflow hole of the sliding shaft is a closed valve position that is offset from at least one hole of the valve seat. The valve seat further includes a groove surrounding the outer peripheral portion, which is disposed in the groove. The upper end of the sliding shaft and the (four) end are provided with threads that can be screwed to each other.螺纹The thread on the upper end of the slide shaft is a female thread, and the thread at the end of the button is 11⁄4 thread.
上述滑軸進一步包含二環繞外周部的溝槽，並具有二 〇形環分別圈套在-溝槽上，以藉該二0形環在滑轴和闕 座的接觸面間形成滑動密封。 至於本創作的技術内容及其它目的與特點參照下面 配合圖式的詳細實施例說明即可完全瞭解。 【實施方式】 在第二圖中，顯示-種氣動式警笛進氣閥總成1〇的元 件刀解狀悲，第二圖為氣動式警笛1〇的内部構造，可供說 明本創作的技術内容。該進氣閥總成1〇主要由一閥座 20、一滑軸30、一按鈕40及一壓力彈簧5〇組成。其中： 閥座20，王中空狀，具有一成軸方向設置的裝配孔 21，及一圍繞在外周部的凹槽22,在該凹槽22中成徑方 向設有若干孔洞23，此等孔洞23與裝配孔21連通。閥座 20上方還包含一成徑向方擴張而成的突緣24，使閥座20 自突緣24以下的部分可以穿透殼體70，直到突緣24接觸 殼體70為止。閥座2〇的下方則設有陽螺紋25，可以旋入 7 M341786 連接裝置9G的讀頭91的陰螺紋％巾，將酿卽鎖緊於 管接頭91上。 滑軸30，為一管狀體，外徑與閥座20的裝配孔21内 •徑相同，而可滑動的套入上述裝配孔21内。該滑轴3〇具 有$軸方向叹置的氣室31,及成徑方向設於外周部並與 氣室31連通的若干流出孔32;又，滑轴3〇的上端具有陰 螺紋33 ’供連結按紐4〇之用。滑轴3〇還包含二溝槽3知 和34b環繞在它的外周部，供二〇形環咖和挪分別圈套 馨在滑軸30上’藉此在滑轴3Q和閥㈣的接觸面間形成可 靠的滑動密封。滑軸30的末端進—步成徑方向縮減形成一 頸部36，用來安裝壓力彈簧5〇。 按钮40 ’包含一桿部41，及一自桿部41上端成徑方 向擴張而成的操作部42供人手操作按㈣之用。上述桿 部40係插人閥㈣的裝配孔21内，並且末端設有陽螺纹 43 ’供滑軸30上端的陰敎33旋心如此將独4〇與滑 軸30連結-起，使二者共同支持於閱座2〇運動。 壓力彈簧50,上部圈套於滑軸3〇的頸部邡，並且上 端頂住該頸部36的肩頭37，末端支持於管接頭91的陰螺 紋94底《卩’以藉其彈性回復力將滑軸加經常保持在閉闕 -位；也就是，滑軸3〇的流出孔32與閥座2〇的孔洞23錯開， 使氣體通路為閉塞狀態。 如第四圖所示，在氣動式警笛1〇接通氣壓源時，壓縮 空氣即充滿於滑軸30的氣室31，此時壓下独4〇，滑軸 30就會隨著按紐40同步位移，使滑軸3〇的流出孔犯和闕 8 M341786 座的孔洞23在同一軸線，於是空氣立即從氣室31經由流 出孔32、孔洞23及進氣口 71流入殼體7〇内，驅動發音機 構80發出聲音警示信號，供水中或陸地聯絡、求救之用。 上述發音機構80與第一圖所示的發音機構8〇a在構造上 稍有差異，但功能與工作原理相同。 當放開按鈕40時，壓力彈簧5〇的彈性回力即將滑軸 30暨按鈕40推回原位，使滑軸3〇復歸閉閥位而閉塞氣體 通路，於是聲音警示信號停止。 如以上說明，根據本創作，因為滑軸具備一氣室，在 其作動成開閥位的瞬間，氣體可立即從氣室流入殼體内， 驅動發音機構發出聲音信號，使氣動絲笛能夠縮短反應 時間，並且減少空氣消耗量。 當然，上述實施例可在不脫離本創作的範圍下加以若 干變化，故以上的說明所包含及附圖中所示的全部事項應 視為例示性，而非用以限制本創作的申請專利範圍。 【圖式簡單說明】 、>第一圖為習用氣動式警笛的軸方向（空氣流動方向， 以前頭示之）剖面圖，顯示氣嘴處於開閥位的狀態。 第二圖為本創作一較佳實施例的氣動式警笛進氣閥 總成元件分解圖。 第三圖為本創作安裝於氣動式警笛的軸方向（氣體流 動方向）剖面圖，顯示滑軸處於閉閥位的狀態。 第四圖為與第三圖近似的剖面圖，顯示滑軸處於開 位的情形。 9 M341786 10、10a...進氣閥總成 12…閥心 * 20、20a…閥座 22…凹槽 24.. .突緣 30…滑軸 32…流出孔 34a、34b…溝槽 _ 36...頸部 40、40a·"按紐 42…操作部 50、50a···壓力彈簧 70.. .殼體 80、80a…發音機構 82…鋼片 91、91a·..管接頭 93.. .插座 11…氣嘴 13"流入口 21__·裝配孔 23.. .孔洞 25.. .陽螺紋 31.. .氣室 33…陰螺紋 35a、35b_._〇形環 37…肩頭 41…桿部 43.. .陽螺紋 60、60a·"氣動式警笛 71…進氣口 81…活塞 90、90a…連接裝置 92…插頭 94.. .陰螺紋The sliding shaft further includes two grooves surrounding the outer peripheral portion, and the two ring-shaped rings are respectively sleeved on the groove to form a sliding seal between the sliding shaft and the contact surface of the seat by the two-shaped ring. The technical content and other objects and features of the present invention can be fully understood by referring to the following detailed description of the drawings. [Embodiment] In the second figure, the component of the pneumatic siren intake valve assembly is shown to be sorrowful, and the second figure is the internal structure of the pneumatic siren 1〇, which can explain the technique of the creation. content. The intake valve assembly 1〇 is mainly composed of a valve seat 20, a sliding shaft 30, a button 40 and a pressure spring 5〇. Wherein: the valve seat 20, the hollow shape of the king, has a mounting hole 21 disposed in an axial direction, and a groove 22 surrounding the outer peripheral portion, and a plurality of holes 23 are formed in the groove 22 in the radial direction, and the holes are provided 23 is in communication with the assembly hole 21. The valve seat 20 further includes a flange 24 that is radially expanded to allow the valve seat 20 to penetrate the housing 70 from below the flange 24 until the flange 24 contacts the housing 70. Below the valve seat 2〇, a male thread 25 is provided, which can be screwed into the female thread of the read head 91 of the 7 M341786 connecting device 9G to lock the tamping to the pipe joint 91. The slide shaft 30 is a tubular body having an outer diameter which is the same as the inner diameter of the fitting hole 21 of the valve seat 20, and is slidably fitted into the fitting hole 21. The sliding shaft 3 has a gas chamber 31 which is inclined in the direction of the axis, and a plurality of outflow holes 32 which are provided in the outer peripheral portion and communicate with the gas chamber 31 in the radial direction. Further, the upper end of the sliding shaft 3 has a female thread 33'. Link button 4〇. The sliding shaft 3〇 further includes two grooves 3 and 34b surrounding the outer peripheral portion thereof for the two-shaped ring-shaped ring and the respective snares on the sliding shaft 30 'by the contact surface between the sliding shaft 3Q and the valve (4) Form a reliable sliding seal. The end of the slide shaft 30 is further reduced in diameter to form a neck portion 36 for mounting the pressure spring 5''. The button 40' includes a lever portion 41, and an operation portion 42 which is formed in a radial direction from the upper end of the lever portion 41 for manual operation and is used for (4). The rod portion 40 is inserted into the fitting hole 21 of the valve (4), and the end portion is provided with a male thread 43' for the yoke 33 of the upper end of the sliding shaft 30, so that the sole shaft and the sliding shaft 30 are coupled together to make the two Joint support for the 2 〇 movement. a pressure spring 50, the upper sleeve is sleeved on the neck 邡 of the sliding shaft 3〇, and the upper end bears against the shoulder 37 of the neck 36, and the end end supports the bottom of the female thread 94 of the pipe joint 91 to "slip" to slide by its elastic restoring force. The shaft is often held in the closed position - that is, the outflow hole 32 of the sliding shaft 3 is offset from the hole 23 of the valve seat 2, so that the gas passage is in an occluded state. As shown in the fourth figure, when the pneumatic siren 1 〇 turns on the air pressure source, the compressed air is filled in the air chamber 31 of the sliding shaft 30, and at this time, the sole is pressed, and the sliding shaft 30 is pressed with the button 40. Synchronous displacement, so that the outflow hole of the sliding shaft 3〇 is on the same axis as the hole 23 of the 阙8 M341786 seat, so that the air immediately flows into the casing 7 from the air chamber 31 through the outflow hole 32, the hole 23 and the air inlet 71. The driving pronunciation mechanism 80 emits an audible warning signal for liaison or rescue in the water supply or land. The above-described sounding mechanism 80 is slightly different in structure from the sounding mechanism 8A shown in the first figure, but the function is the same as the working principle. When the button 40 is released, the elastic return force of the pressure spring 5 推 pushes the slide shaft 30 and the button 40 back to the original position, so that the slide shaft 3 is returned to the closed valve position to block the gas passage, and the audible warning signal is stopped. As described above, according to the present invention, since the sliding shaft has a gas chamber, at the moment when it is actuated to open the valve position, the gas can immediately flow from the gas chamber into the casing, driving the sounding mechanism to emit an acoustic signal, so that the pneumatic whistle can shorten the reaction. Time and reduce air consumption. Of course, the above embodiments may be modified without departing from the scope of the present invention, and all the matters included in the above description and the drawings should be regarded as illustrative, and not intended to limit the scope of patent application of the present invention. . [Simple description of the drawing], > The first figure is a cross-sectional view of the axial direction (air flow direction, previously shown) of the conventional pneumatic siren, showing the state in which the nozzle is in the open position. The second figure is an exploded view of the pneumatic siren intake valve assembly of a preferred embodiment of the present invention. The third figure is a cross-sectional view of the axis direction (gas flow direction) installed in the pneumatic siren, showing that the sliding shaft is in the closed position. The fourth figure is a cross-sectional view similar to the third figure showing the sliding axis in the open position. 9 M341786 10, 10a... Intake valve assembly 12...Valve* 20, 20a...Valve 22... Groove 24... Flange 30... Sliding shaft 32... Outflow holes 34a, 34b... Groove _ 36 ...neck 40, 40a·" button 42... operation unit 50, 50a···pressure spring 70.. housing 80, 80a... sounding mechanism 82... steel sheet 91, 91a·.. pipe joint 93 .. . Socket 11... Air nozzle 13 " Inlet 21__· Assembly hole 23.. Hole 25... Male thread 31.. Air chamber 33... Female thread 35a, 35b_._〇 ring 37... Shoulder 41... Rod 43.. male thread 60, 60a·"pneumatic siren 71...air inlet 81...piston 90,90a...connecting device 92...plug 94.. female thread