M353840 八、新型說明： 【新型所屬之技術領威】 本創作涉及一種車輛用單向通氣閾，特別θ 次空氣進氣端與廢氣排放端之間以膜片控先义種在一 向通氣閥。 _門開關的單 【先前技術】 為了符合愈趨嚴格的廢氣排放標準，各2、 製造商無不竭盡所能開發相關技術，以忿人2、的Ά機車 降低廢氣有毒物質排放之相關技術中，包含卡，在現有 次空氣的技術，係在引擎之廢氣排放端導有種導入二 使排放之廢氣中的CO、HC及Ν〇χ(氮氣^二次空氣，致 及適當溫度下，經觸媒轉換器氧化或還、物)在富氧狀態 氐0、Ν2及〇2，據以淨化引擎廢氣，進'、成無害的C〇2、 空氣品質的影響。 一 而减輕廢氣對外界 大氣中。 可見揭露於日本特 且知，上述導入二次空氣之技 乂 放端上外接一二次空氣進氡管，且誃—係在彳丨擎之廢氣排 接一單向通氣閥，藉引擎之排氣負次空氣進氣管上串 經由二次空氣進氣管及單向通氣 ' ㈣外界新鮮空氣， 控制二次空氣之導入時點，同時、應至廢氣排放端，以 擎排放之廢氣經由二次空氣進氣管^由該單向通氣閥阻斷引 現有關於上述單向通氣閥 卜/¾至外界 開第P2007-333106A號專利案、，技術，可見抵w升、啊 體，及一形成於座體上的氣孔' :、中之單向通氣閥具一座 及一可限制簧片開啟角度之栲该氣孔一側設一簧片，以 上，且檔板係遮蔽於該簧片:反’該簧片係遮蓋於氣孔之M353840 VIII. New Description: [New Technology Alliance] This creation involves a one-way ventilation threshold for vehicles. The diaphragm is controlled by a pair of first-stage ventilation valves between the θ air inlet and the exhaust end. _Door switch single [previous technology] In order to meet the increasingly strict emission standards, each 2, manufacturers are doing everything they can to develop relevant technologies, to reduce the emission of toxic substances in the locomotives Including the card, in the existing secondary air technology, the exhaust gas discharge end of the engine is introduced with a kind of introduction of two to make the exhaust gas CO, HC and helium (nitrogen ^ secondary air, to the appropriate temperature, Catalyst converters oxidize or return, in the oxygen-rich state 氐0, Ν2 and 〇2, according to the purification of engine exhaust, into the harmless C 〇 2, the impact of air quality. One is to reduce the exhaust gas to the outside atmosphere. It can be seen that it is known in Japan that the above-mentioned introduction of secondary air is connected to a secondary air inlet pipe, and the 誃-system is connected to a one-way venting valve in the exhaust of the engine. The gas-negative air intake pipe is connected to the second air intake pipe and one-way ventilation. (4) The outside air is fresh, and the introduction time of the secondary air is controlled. At the same time, it should be at the exhaust gas discharge end. The air intake pipe is blocked by the one-way ventilating valve, and the above-mentioned one-way venting valve is used to open the patent No. P2007-333106A, and the technology can be seen as a swell, a body, and a The air vent on the seat body: a one-way venting valve and one can limit the opening angle of the reed. A reed is provided on one side of the air hole, and the baffle is shielded from the reed: The reed is covered in the vent
’曰本特開第P2008-2959A 5 M353840 號專利案也揭露有—單向通氣閥，該單向通氣閥具 體，座體上設—氣孔、- L形槽及-金屬簧片，該菁片 係遮蓋於氣孔上，並延伸至L形槽内，致使簧片接受 槽限制開啟角度；加拿大第CA798G89A號專利案亦揭露有 一皁=通氣閥，該單向通氣閥具一座體，及一形成於座體 上之氣孔，該座體—側設一金屬簧片，且該簧片遮蓋於氣 '孔上^上述所揭露之各種單向通氣閥，皆是藉由引擎廢氣 '排放端所產生之正壓及負壓引動簧片運作，當廢氣排放端 釀内為負壓時，該簧片開啟二次空氣導入廢氣排放端，當廢 氣排放端内之壓力為正壓時’該簧片關^止擒廢氣逆流。 此外，上述各種傳統單向通氣閥之氣孔對二次空氣之 導入量，需配合引擎之容積或型式…等等條件而隨之增減， 方能充分發揮觸媒轉換器之淨化能力；惟，上述各種傳統 之單向通氣閥之氣孔大小均為固定，若要滿足不同規格條 件之引擎，則該等單向通氣閥之氣孔孔徑必須重新設計， 致使該單向通氣閥在不同規格之引擎間無法共用，導致安 φ裝便利性欠佳的問題，並存在著生產成本過高的隱憂，故 亟需加以改善。 -【新蛰内容】 為能克服先前技術中因單向通氣閥之氣孔孔徑固定而 導致安裝便利性欠佳及生產成本過高的問題，本創作之目 的旨在提供一種機車用單向通氣閥，尤其是一種能夠調整 導氣量而可供多種型式引擎共同使用之單向通氣閥，以提 升安裝便利性及降低生產成本。 為達上述之目的’本創作之機車用單向通氣閥，設於 6 M353840 引擎之一二次空氣進氣端與一廢氣排放端之間，包含： 一板件； 複數氣孔，各自形成於該板件上，而於板件雙面分別 形成複數連通空氣進氣端之進氣口，以及複數連通廢氣排 放端的排氣口； 一承接部，形成於該板件表面的複數氣孔之間； ' 一軟性内膜片，設於該承接部上且遮蔽複數排氣口， 藉引擎之排氣正壓驅動而關閉各排氣口，並藉引擎之排氣 • 負壓驅動而開啟各排氣口，令二次空氣經由複數氣孔導入 廢氣排放端；及 一撓性外擋片，設於該承接部上支撐該内膜片，藉引 擎之排氣負壓驅動而撓性彎曲，以控制該内膜片對各排氣 口之開啟量。 據此，可針對不同引擎所需導入之二次空氣量增加或 減少氣孔之數目，以調整導氣量，進而可供多種型式之引 擎使用。 ® 此外，本創作更加包含一器體，該板件係間隔器體内 部形成一連通二次空氣進氣端之外氣室，以及一連通廢氣 排放端之内氣室。 另外，本創作也包含： 該等氣孔係呈環狀排列。 所述承接部具一轴孔，穿設一扣件，且該内膜片及外 擋片係串組於扣件上。 所述扣件具一可穿設於軸孔内的頸部，且頸部雙端分 7 M353840 別形成一 該内版片 可耿組於承接部表面的梯面，以定位該扣件，且 及外私片係串組於頸部上。 所述外擋片係藉Μ擎 閉各排氣口。 之排氣正壓驅動而推抵内膜片關 除此之外，本創作更加包含有至少一止氣塞，塞住至 少一氣孔，以控制二次空氣之流量。 然而，為能明確且充分詳述本創作，併予列舉出較佳 •實施例，請配合參照圖式而詳 • 【實施方式】 請參閱圖1，揭示出本創作較佳實施例的立體圖，並配 合圖2說明本創作之機車用單向通氣閥2，係設於一引擎i 之一一次空氣供應管30内，而位於該供應管3〇之一二次 空氣進氣端311與引擎1的一廢氣排放端n之間，包含一 板件21、複數氣孔22、一承接部23、一軟性之圓形内膜片 24及一具撓性之圓形外播片25 ;該等氣孔22各自形成於 該板件21上（配合圖3至圖6a所示），而於板件21雙面分 # 別形成複數連通二次空氣進氣端11之進氣口 221，以及複 數連通廢氣排放端11的排氣口 222;該承接部23形成於該 •板件21表面的複數氣孔22之間；該軟性内膜片24設於該 -承接部23上，且遮蔽複數排氣口 222 ;該撓性外播片25設 於該承接部23上，且遮蔽該内膜片24。 此外本創作更加包含一器體3，該簧片闕2之板件21 係間隔器體3内部而形成一連通二次空氣進氣端311之外氣 室31(如圖5及圖6所示）’以及一連通廢氣排放端Π之内 氣室32。 M353840 3 Η另5及：Γ作更加包含有至少-止氣塞27(如圖1、圖 3、圖5及圖6所示），宾〆丨、 氣之流量。 基住至一氣孔22,以控制二次空 在更加具體的實施上，本創作也包含： 所述内膜片24及夕η u 減？1匕之遴缸友卜擋片均可由塑膠材料製成，且 、 氣孔22可呈環狀排列（如圖1及圖3所示）。 所—:斤：承„ 23開設有-軸孔231(如圖1、圖3及圖5'曰本特开第P2008-2959A 5 M353840 Patent also discloses a one-way venting valve, the one-way venting valve is specifically provided with a vent, an - L-shaped groove and a metal reed, the crest Covering the air vent and extending into the L-shaped groove, causing the reed to receive the groove to limit the opening angle; Canadian Patent No. CA798G89A also discloses a soap = venting valve, the one-way venting valve has a body, and one formed in a venting hole in the seat body, the seat body is provided with a metal reed on the side, and the reed is covered on the gas hole. The various one-way venting valves disclosed above are generated by the exhaust end of the engine exhaust gas. The positive pressure and the negative pressure actuate the reed operation. When the exhaust gas discharge end is negative pressure, the reed opens the secondary air and is introduced into the exhaust gas discharge end. When the pressure in the exhaust gas discharge end is positive pressure, the reed is closed. Stop the exhaust gas from flowing backwards. In addition, the introduction amount of the air holes of the above-mentioned various one-way venting valves to the secondary air needs to be increased or decreased in accordance with the volume or type of the engine, etc., so as to fully utilize the purification ability of the catalytic converter; The above-mentioned various one-way venting valves have fixed pore sizes. To meet the engine of different specifications, the pore size of the one-way venting valves must be redesigned, so that the one-way venting valve is between different specifications of the engine. Unable to share, resulting in the problem of poor convenience of installation, and there are hidden concerns about excessive production costs, so it needs to be improved. - [New content] In order to overcome the problems of poor installation convenience and high production cost due to the fixed pore size of the one-way vent valve in the prior art, the purpose of the present invention is to provide a one-way venting valve for a locomotive. In particular, it is a one-way venting valve that can adjust the amount of air conduction and can be used by various types of engines to improve installation convenience and reduce production costs. For the above purpose, the one-way venting valve for the locomotive is provided between the secondary air inlet end of the 6 M353840 engine and an exhaust gas discharge end, and includes: a plate member; a plurality of air holes, each formed in the a plurality of inlet ports connecting the air inlet end and a plurality of exhaust ports connected to the exhaust end of the exhaust gas; and a receiving portion formed between the plurality of air holes on the surface of the plate; a soft inner membrane is disposed on the receiving portion and shields the plurality of exhaust ports, and is driven by the positive pressure of the engine to close the exhaust ports, and is driven by the exhaust of the engine and the negative pressure to open the exhaust ports. The secondary air is introduced into the exhaust gas discharge end through the plurality of air holes; and a flexible outer baffle is disposed on the receiving portion to support the inner diaphragm, and is flexibly bent by the exhaust pressure of the engine to control the inner air. The amount of opening of the diaphragm to each exhaust port. Accordingly, the amount of air vents can be increased or decreased for the amount of secondary air to be introduced by different engines to adjust the amount of air conduction, and thus can be used by various types of engines. In addition, the creation further includes a body that forms a gas chamber outside the inlet of the secondary air inlet and an internal chamber that communicates with the exhaust end of the exhaust. In addition, the creation also includes: The pores are arranged in a ring shape. The receiving portion has a shaft hole through which a fastener is disposed, and the inner diaphragm and the outer flap are assembled on the fastener. The fastener has a neck portion that can be disposed in the shaft hole, and the double end of the neck portion 7 M353840 forms a step surface of the inner plate that can be set on the surface of the receiving portion to position the fastener, and And the outer private film is grouped on the neck. The outer flaps are used to close the exhaust ports. In addition to the positive pressure driving and pushing against the inner diaphragm, the creation further includes at least one air lock to plug at least one air hole to control the flow of the secondary air. However, in order to be able to clearly and fully describe the present invention, and to exemplify the preferred embodiments, please refer to the drawings. [Embodiment] Referring to FIG. 1, a perspective view of a preferred embodiment of the present invention is disclosed. The unidirectional venting valve 2 for the locomotive of the present invention is described in conjunction with FIG. 2, which is disposed in one of the primary air supply pipes 30 of the engine i, and is located at the secondary air inlet end 311 and the engine of the supply pipe 3〇. Between an exhaust gas discharge end n, a plate member 21, a plurality of air holes 22, a receiving portion 23, a soft circular inner diaphragm 24 and a flexible circular outer film 25; 22 are respectively formed on the plate member 21 (shown in FIG. 3 to FIG. 6a), and the inlet member 221 of the plurality of connected secondary air intake ports 11 is formed on the two sides of the plate member 21, and the plurality of exhaust gases are connected. An exhaust port 222 of the discharge end 11; the receiving portion 23 is formed between the plurality of air holes 22 on the surface of the plate member 21; the soft inner film piece 24 is disposed on the receiving portion 23, and shields the plurality of exhaust ports 222 The flexible outer play piece 25 is disposed on the receiving portion 23 and shields the inner film piece 24. In addition, the present invention further includes a body 3, the plate member 21 of the reed 阙 2 is formed inside the spacer body 3 to form a gas chamber 31 outside the secondary air inlet end 311 (as shown in FIGS. 5 and 6). And an internal gas chamber 32 that communicates with the exhaust gas discharge port. M353840 3 Η5 and 5: The 更加 更加 更加 至少 至少 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( Base to a vent 22 to control secondary air. In a more specific implementation, the present invention also includes: The inner membrane 24 and the η η u reduction? The 匕 遴 友 卜 卜 均可 均可 can be made of plastic material, and the air holes 22 can be arranged in a ring shape (as shown in Figure 1 and Figure 3). -: 斤: 承 -23 open with - shaft hole 231 (Figure 1, Figure 3 and Figure 5
’且該内膜片24及外擔片25上各自 形成-牙孔241、251，以—同串組於扣件％上。 所W件26 _L具-可穿設於轴孔231内的頸部(如 圖卜圖5及圖5a所示）’且頸部261雙端分別形成一可敌 組於承接部23表面的梯面262、263，以定位該扣件％， 且該内膜片24及外擋片25係串組於頸部261上。 >藉由上述構件之組成，可供據以實施本創作，特別是 當引擎1運轉時(如圖2所示），其間歇排放之廢氣會經由廢 氣排放端11連接之一消音器4向外界排出，同時在廢氣排 放端11產生間歇性排氣正壓及負壓；該排氣正壓會充斥於 δ玄器體3之内氣室32(如圖6及圖6a所示），以壓迫外擋片 25推抵内膜片24緊貼於板件21表面，進而關閉各排氣口 222，以阻擋廢氣排放端u之廢氣經由二次空氣供應管％ 洩露至外界；該排氣負壓會在器體3之内氣室32内產生抽 吸作用（如圖5及圖5a所示）’而引動外擔片25及内膜片 撓性彎曲，致使該内膜片24開啟各排氣口 222，讓外界办 氣自一次空氣進氣端311經由外氣室31、複數氣孔22及内 氣室32導入廢氣排放端11，增加引擎所排放廢氣中之含氡 9 M353840 量，以提增觸媒轉化器轉化有害物質之效能；期間，該外 擋片25可控制内膜片24對各排氣口 222之開啟量。 當欲變更該單向通氣閥2之二次空氣之流量時，可在 若干氣孔22内分別植設一止氣塞27(如圖1、圖3、圖5及 圖6所示）；如此，即可任意增加或減少氣孔22數目，依 據不同規格之引擎調整所需導入的二次空氣量；據此，本 創作之單向通氣閥2可提供多種型式之引擎共同使用，以 提升安裝便利性及降低生產成本。 除此之外，上述簧片閥2之複數氣孔22a、22b在實施 上亦可呈條狀（如圖7所示）或多邊形（如圖8所示），且該止 氣塞之外形輪廓係配合該呈條狀或多邊形之氣孔22a、 22b，其餘構件組成及實施方式係等同於上述實施例。 然而，以上僅為本創作之較佳實施例而已，並非用以 限定本創作，凡其他未脫離本創作所揭示之精神下而完成 的等效修飾或置換，均應包含於後述之申請專利範圍内。 【圖式簡單說明】 圖1 :揭示出本創作簧片閥之立體分解圖。 圖2 :揭示出本創作之配置示意圖。 圖3 :揭不出本創作之黃片閥的俯視圖。 圖4:揭示出本創作之簧片閥的仰視圖。 圖5 :揭示出本創作簧片閥之一使用狀態的剖示圖。 圖5a:揭示出圖5之局部放大剖示圖。 圖6 :揭示出本創作簧片閥之另一使用狀態的剖示圖。 圖6a :揭示出圖6之局部放大剖示圖。 M353840 圖7 :揭示出圖3之氣孔一附加實施形態的示意圖。 圖8:揭示出圖3之氣孔另一附加實施形態的示意圖。 【主要元件符號說明】And the inner membrane sheet 24 and the outer outer sheet 25 are respectively formed with - tooth holes 241, 251, which are grouped together on the fastener member %. The W piece 26_L has a neck that can be inserted into the shaft hole 231 (as shown in FIG. 5 and FIG. 5a) and the two ends of the neck 261 respectively form a ladder that can be formed on the surface of the receiving portion 23. Faces 262, 263 to position the fastener %, and the inner diaphragm 24 and the outer flap 25 are grouped on the neck 261. > By the composition of the above components, the present invention can be implemented, especially when the engine 1 is running (as shown in FIG. 2), and the intermittently exhausted exhaust gas is connected to the muffler 4 via the exhaust gas discharge end 11 Exhaust from the outside, at the same time, intermittent exhaust positive pressure and negative pressure are generated at the exhaust gas discharge end 11; the positive exhaust pressure will be filled in the inner gas chamber 32 of the δ mysterical body 3 (as shown in FIG. 6 and FIG. 6a), The pressing outer flap 25 is pushed against the inner diaphragm 24 to abut against the surface of the plate member 21, thereby closing the exhaust ports 222 to block the exhaust gas of the exhaust gas discharge end u from leaking to the outside through the secondary air supply pipe; The pressure will cause suction in the inner chamber 32 of the body 3 (as shown in FIG. 5 and FIG. 5a), and the outer outer sheet 25 and the inner diaphragm are flexibly bent, so that the inner diaphragm 24 opens each row. The air port 222 allows the outside air to be introduced into the exhaust gas discharge end 11 from the primary air inlet end 311 via the outer air chamber 31, the plurality of air holes 22 and the inner air chamber 32, thereby increasing the amount of 氡9 M353840 in the exhaust gas discharged from the engine to Increasing the efficiency of the catalytic converter to convert harmful substances; during the period, the outer flap 25 can control the inner membrane 24 for each row 222 of the mouth opening amount. When the flow rate of the secondary air of the one-way vent valve 2 is to be changed, a gas stop plug 27 may be respectively disposed in the plurality of air holes 22 (as shown in FIG. 1, FIG. 3, FIG. 5 and FIG. 6); The number of the air holes 22 can be arbitrarily increased or decreased, and the amount of secondary air to be introduced can be adjusted according to different specifications of the engine; accordingly, the one-way venting valve 2 of the present invention can be used in combination with various types of engines to improve installation convenience. And reduce production costs. In addition, the plurality of air holes 22a, 22b of the reed valve 2 may also be strip-shaped (as shown in FIG. 7) or polygonal (as shown in FIG. 8), and the air-seal outer contour is In combination with the strip-shaped or polygonal air holes 22a, 22b, the remaining member compositions and embodiments are equivalent to the above embodiments. However, the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. All other equivalent modifications or substitutions that have been made without departing from the spirit of the present invention should be included in the scope of the patent application described below. Inside. [Simple description of the figure] Figure 1: Reveals the exploded view of the reed valve. Figure 2: A schematic diagram showing the configuration of the present creation. Figure 3: A top view of the yellow plate valve of the present invention. Figure 4: A bottom view revealing the reed valve of the present creation. Fig. 5 is a cross-sectional view showing the state of use of one of the reed valves of the present invention. Fig. 5a: A partially enlarged cross-sectional view showing Fig. 5. Fig. 6 is a cross-sectional view showing another use state of the present reed valve. Figure 6a: A partial enlarged cross-sectional view of Figure 6 is disclosed. M353840 Figure 7: A schematic diagram showing an additional embodiment of the vent of Figure 3. Fig. 8 is a schematic view showing another additional embodiment of the pores of Fig. 3. [Main component symbol description]
1 引擎 11 廢氣排放端 2 簀片閥 21 板件 22 ' 22a > 22b 氣孔 221 進氣口 222 排氣口 23 承接部 231 軸孔 24 内膜片 241 、 251 穿孔 25 外擋片 26 扣件 261 頸部 262 ' 263 梯面 27 止氣塞 3 器體 30 二次空氣供應管 31 外氣室 311 二次空氣進氣端 11 M353840 32 内氣室 4 消音器1 Engine 11 Exhaust end 2 Vane valve 21 Plate 22 ' 22a > 22b Air hole 221 Air inlet 222 Exhaust port 23 Receiving part 231 Shaft hole 24 Inner diaphragm 241, 251 Perforation 25 Outer bracket 26 Fastener 261 Neck 262 ' 263 Ladder 27 Air lock 3 Body 30 Secondary air supply pipe 31 External air chamber 311 Secondary air intake end 11 M353840 32 Internal air chamber 4 Silencer
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