200533833 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種對車輛的傾斜狀態產生感應而將 從燃料槽供給至燃料噴射裝置之燃料予以遮斷之傾斜感 應型燃料切斷閥及燃料泵，尤指關於利用對傾斜產生感應 而從開閥位置移位至閉閥位置之球型閥來封塞燃料通路 之傾斜感應型燃料切斷閥及一體形成有該切斷閥之燃料 泵。 “、、 【先前技術】 具有燃料喷射裝置(injee㈣之自動 給裝置中，包含有:將燃料加塵並供給至燃=燃料供 燃料泵；及車輛傾斜超縣準肖度時，料^裳置之 之燃料供給予以遮斷的燃料切斷閥。 “、、"、射裝置 專利文獻1中揭示有彻電性感測器 斜，檢測到傾斜時，即將對燃料泵及點燃° ^車輛的傾 予以遮斷之技術。專利文獻2中揭示有=電源供給 置，其具備收容於燃料㈣之浮球室，=遮斷間裝 用燃=浮力使前述浮球上升而遮斷燃料t員斜時，利 專利文獻1】日本實開昭55]53〇^^者。 專曰本特開平…2。563::公報 專利文獻1由於係使用電性感測器報 。因：’期望有不消耗電力的機械性::耗蓄電 文獻2中’不僅必須裝設需要較大容積的^、、先。專利 將該洋球室收容於燃料槽内，因此遮斷閥^，還必須200533833 IX. Description of the invention: [Technical field to which the invention belongs] The present invention relates to a tilt-sensing type fuel cut-off valve and fuel that induces a tilting state of a vehicle and blocks fuel supplied from a fuel tank to a fuel injection device. Pumps, in particular, tilt-sensing fuel shutoff valves that use a ball-type valve that induces tilt and shift from the open position to the closed position to block the fuel passage, and a fuel pump in which the shutoff valve is integrally formed. ", [Previous technology] The fuel injection device (injee㈣ automatic feeding device) includes: dusting and supplying fuel to the fuel = fuel pump; The fuel shut-off valve that shuts off the fuel supply. ",,", "radiating device patent document 1 discloses a tilt of the electric sensor. When the tilt is detected, the fuel pump and the vehicle will ignite. A technique for interrupting. Patent Document 2 discloses a power supply device having a floating ball chamber housed in a fuel plutonium, an interruption chamber, and a combustion chamber. The buoyancy causes the floating ball to rise to block the fuel. Patent Document 1] Japanese Shokai 55] 53〇 ^^. Special Japanese Patent Publication No. Hei ... 2.563 :: Gazette Patent Document 1 because of the use of electrical sensors. Because: 'I expect no power consumption Mechanical properties :: in power consumption literature 2, 'not only must be installed, which requires a large volume, first, first. The patent contains this ocean ball room in a fuel tank, so it must also shut off the valve ^,
200533833 的構造之限制將會择 【發明内容】 曰大 本發明之目的在於一 遮斷能力優異之傾斜感型:::斷，電力、小型且 位至閉閥位置之球型闕:封“料：而從開閥位置移 科切斷閥及燃料泵，在下述之手段上且二傾斜感應型檫 筒狀流路將上人斜感應型轉切_之特徵包含.、 述待機管之球型閥；以 ^待機管；收容於前 且凹設成餘觀料絲Μ側表面， (2 )球型閥為且二μ —個辅助通路。 例如橡膠製。回復性之高聚合物所製成， I:)) ί2:Γ 口、之流路側緣部形成有唇狀閥座。 切斷閥。$ <燃料泵為—體形成有傾斜感應型燃料 根據本發明，可達成以下之效果。 藉由在傾斜感應型燃料切斷閥之待機管設置辅 力燃料通路，即無須加大待機管之閥座位置附近的内徑， 而可擴大待機官内表面與球型閥之間隙所形成的辦料通 路之斷面積。 (2) 由於球型閥係橡膠製，因此可提升球型閥的閉 止能力。 (3) 由於傾斜感應型燃料切斷閥之閥座部分係設為 200533833 唇狀構造，因此可提升球型閥的閉止能力。 (4)由於燃料泵與傾斜感應型燃料切斷閥係形成〜 體，因此，分別屬於不同組件時，不需要用連接管及爽I 構件來連結兩者。 〃 【實施方式】 第1圖係顯示具備有本發明傾斜感應型燃料切 之燃料泵之配置例的剖視圖。200533833's structural limitation will be selected [Summary of the invention] The purpose of the invention is to have a tilting type with excellent blocking ability ::: off, electric, small and ball type to the closed valve position: seal "material ： The cut-off valve and fuel pump are moved from the valve opening position to the following means and the two inclined induction type 檫 tube-shaped flow path will include the characteristics of the oblique induction type rotary cutting of the upper man. The valve is a standby tube; it is housed in the front and recessed into the side surface of the waste material M. (2) the ball valve is two μ — an auxiliary path. For example, made of rubber. Made of high-recovery high polymer , I :)) ί2: Γ mouth, the side edge of the flow path is formed with a lip-shaped valve seat. Shut-off valve. $ ≪ The fuel pump is a body formed with a tilt-sensitive fuel. According to the present invention, the following effects can be achieved. The auxiliary fuel passage is provided in the standby tube of the tilt induction fuel cut-off valve, that is, the inner diameter of the standby tube and the ball valve can be enlarged without increasing the inner diameter near the seat position of the standby tube. The cross-sectional area of the material passage. (2) Because the ball valve is made of rubber, it can be raised. Ball valve closing ability. (3) Since the seat part of the tilt-sensing fuel cut-off valve is set to 200533833 lip structure, the closing ability of the ball valve can be improved. (4) Because of the fuel pump and tilt-sensing type The fuel shut-off valve system is formed as a body, so when it belongs to different components, it is not necessary to connect the two with a connecting pipe and a cool I member. 实施 [Embodiment] Fig. 1 shows that the present invention is equipped with the tilt-sensing fuel cut of the present invention. A sectional view of a fuel pump arrangement example.
燃料泵10係以其上部所設置之凸緣部n支持於 槽20之上面部，且其主要部份收容於在燃料槽20内1 ;料泵:〇中，體形成有：用以抑制燃料通路内之壓力1 -及第二燃料切斷閥31、3 2 開閥之第The fuel pump 10 is supported on the upper surface of the tank 20 with a flange portion n provided on the upper part thereof, and the main part thereof is accommodated in the fuel tank 20 1; in the pump: 〇, the body is formed to suppress fuel Pressure in the passage 1-and the second fuel shutoff valve 31, 3 2
止閥）33,並且在前述^=及殘壓保制止回閥U 各待機管34、36内收容有例如^^= 31、32之 向聚合物製球型閥35、37。 a 4八有弹性回復力之 在設於燃料泵10底部之抽 _ 油器（strainer) 12,透過濾油器 e (未圖不）裝設有擔 壓閥30、第一燃料切斷閥31、所抽吸之燃料係透過韻 閥33而供給至排出管45 (參燃料切斷閥32及止S 接器14連結於排出管45 卓2圖），並且經由藉缝 裳置。 枓配管15供給至機細 圖係顯示前述燃料今 栗10之構造的部份剖面杳 第一及第二燃料切斷閥3ι 係經由連通路 第2 圖 200533833 ίΞΪΪ哭7者之待機管34、36彼此彎折預定角度。 内建；泵：护f/由吸管（未圖示）吸入之燃料，係藉由 (皆来ffl-w <驅動馬達及葉輪等具泵功能之組件 = ):===之後，經 料切斷閥31内。 2及祕閥30而導人至第—燃Check valve) 33, and in each of the standby tubes 34 and 36 of the above-mentioned ^ = and the residual pressure protection check valve U, directional ball-type valves 35 and 37 made of polymer such as ^^ = 31 and 32 are housed. a 4 The pump with elastic restoring force at the bottom of the fuel pump 10_strainer 12, oil filter e (not shown) is equipped with pressure-relief valve 30 and first fuel cut-off valve 31 2. The sucked fuel is supplied to the exhaust pipe 45 through the rhyme valve 33 (refer to the fuel cutoff valve 32 and the S-connector 14 connected to the exhaust pipe 45, 2), and is placed by sewing.细 The detailed drawing of the pipe 15 supplied to the machine is a partial cross-section showing the structure of the aforementioned fuel Imagi 10 杳 The first and second fuel cutoff valves 3ι are connected through the communication path second figure 200533833 77 crying standby tubes 34, 36 Bend each other at a predetermined angle. Built-in; pump: protective f / fuel sucked by suction pipe (not shown), through (ffl-w < drive motor and impeller and other components with pump function =): === Inside the shutoff valve 31. 2 and the secret valve 30 leading to the first-Ran
待機:t柄:平f第-燃料切斷閥31之第- 置，因此導人至停在上游側端部之開間位 ^ 弟燃枓切斷閥31之燃料乃經由笙 機官二及連通路43而導入至第二燃料二^ 之第=機= 輛::正姿勢時，在第二‘ 閥位置，因：導入至第型閥37停在上游側蠕部之 二待機管36、㈣路44—、‘=斷1燃料乃經“ 至噴射裳置。 口閥％及排出管45而供^ ^ 3圖係顯不前述燃料切斷閥3卜3 圖。車輛為平正姿勢【第3 力肊的示意 =的球攀及第二待機管3^ ’因此從連通路42供給至調壓閥30的二“在 第待機管34、連通路43、第-俾機、其、“、、料係經 及止，而從排出管45供、:;;= 、在車輛朝左方【第3圖（b)】或右方Γ 1置。 ^界=角度Θ max而大幅傾斜時，隨著第―圖⑷】超 待機管36大致水平地橫向偏轉，其球^官34或 200533833 4 d貝上t Γ移位至閉閥位置而向閥座抵靠，故無論何 月/卩_蜂燃料通路遮斷。因而，在車輛超過界限角度 ma=而大幅傾斜時，即會阻止燃料噴射。 第4圖係顯示前述第2圖中虛線圓框A所包圍之第 了燃料切斷閥31之閥座部分構造的放大剖視圖，第5圖 係顯示同一部分之習知技術構造的放大剖視圖。另外，雖Standby: t-handle: flat f-th-the fuel cut-off valve 31-th position, so it leads to the open position at the end of the upstream side ^ The fuel of the younger igniter cut-off valve 31 is passed by Shengji Guaner and Co. Channel 43 is introduced to the second fuel No. 2 = machine = vehicle :: In the forward position, at the second valve position, it is introduced to the second valve 37 and stopped at the upstream side of the second worm section of the standby pipe 36, ㈣ Road 44—, '= Break 1 fuel is supplied to the injection rack. The port valve% and the discharge pipe 45 are provided for ^ ^ 3 The figure shows the fuel cut valve 3 and 3 previously described. The vehicle is in a straight posture [第 3 The illustration of the force of the ball = the ball and the second standby pipe 3 ^ 'Therefore, the two "in the standby pipe 34, the communication road 43, the -th machine, the,", The material passes through and stops, and is supplied from the discharge pipe 45,: ;; =, when the vehicle is to the left [Figure 3 (b)] or to the right Γ 1. ^ 界 = Θ max and the slope is large, (Figure ⑷) The super-standby tube 36 is deflected horizontally and horizontally. Its ball 34 or 200533833 4 d is shifted to the valve closing position and abuts against the valve seat, so no matter what month Fuel passage is blocked. Therefore, in the car When the angle is exceeded beyond the limit angle ma =, the fuel injection will be prevented if it is tilted significantly. Fig. 4 is an enlarged sectional view showing the structure of the valve seat portion of the first fuel cut-off valve 31 surrounded by the dotted circle A in the second image. Figure 5 is an enlarged cross-sectional view showing the construction of a conventional technique in the same part.
未圖不，但第二燃料切斷閥32之閥座部分亦與第4圖之 構成相同。 第5圖之習知技術中，連通路43與第一待機管34 配置成同心狀。相對於此，第4圖所示之本發明實施形態 中’在車輛傾斜時，連通路43相對於待機管34，不僅朝 下側方向偏心而打開，且開口部60之緣部係呈環狀且前 ^突出成銳角而形成唇狀構造61。 如上所述，本實施形態中，待機管34、36之閥座部 分所連結的連通路43 (44)之開口，則不僅在車輛傾斜 時朝下側方向偏心，且以環狀形成在開口部6〇之緣部的 閥座係形成唇狀構造61，再者由於球型閥為橡膠製，因 此球型閥與連通路的開口部之密接性提高，而使車輛傾斜 時的燃料遮斷能力得以提升。 第6圖（a)及（b)係顯示前述第2圖線之待 機管34的剖面構造例圖，第7圖係顯示習知技術中該位 置之剖面構造圖。另外，雖未圖示，但第二待機管之 相同部位也構成相同形態。 第6圖（a)所示之第一實施形態中，在待機管34(36) 10 200533833 之内側表面設有沿著其圓周方向以等間隔沿著待機管34 之軸向凹設成溝狀之四條輔助燃料通路81 (81a、81b、 81c、81d)。第6圖（b)所示之第二實施形態亦同樣地在 待機管34 ( 36)之内側表面設有沿其軸向凹設成溝狀之 三條輔助燃料通路81 (81e、81f、81g)。 另夕^，前述各輔助燃料通路81僅形成在從球型閥開 閥時所停留之-端側（上游側）到大致中間部位的側面，Although not shown, the valve seat portion of the second fuel cutoff valve 32 is also the same as that shown in FIG. 4. In the conventional technique of FIG. 5, the communication path 43 and the first standby tube 34 are arranged concentrically. In contrast, in the embodiment of the present invention shown in FIG. 4, when the vehicle is tilted, the communication path 43 is not only eccentrically opened downward with respect to the standby pipe 34, but also the edge portion of the opening 60 is annular. The front ridge protrudes at an acute angle to form a lip structure 61. As described above, in this embodiment, the opening of the communication path 43 (44) connected to the valve seat portions of the standby pipes 34 and 36 is not only eccentric to the lower side when the vehicle is tilted, but also formed in a ring shape in the opening portion. The valve seat at the edge of 60 has a lip structure 61. Furthermore, since the ball valve is made of rubber, the ball valve is in close contact with the opening of the communication path, and the fuel blocking ability when the vehicle is tilted is improved. Be promoted. Figs. 6 (a) and (b) are diagrams showing an example of a cross-sectional structure of the standby pipe 34 of the aforementioned line 2 and Fig. 7 is a diagram showing a cross-sectional structure of the position in the conventional technique. Although not shown, the same portion of the second standby tube also has the same configuration. In the first embodiment shown in FIG. 6 (a), the inner surface of the standby tube 34 (36) 10 200533833 is provided with grooves recessed along the axial direction of the standby tube 34 at equal intervals along its circumferential direction. The four auxiliary fuel passages 81 (81a, 81b, 81c, 81d). Similarly, in the second embodiment shown in FIG. 6 (b), three auxiliary fuel passages 81 (81e, 81f, 81g) recessed in a groove shape along the axial direction are provided on the inner surface of the standby pipe 34 (36). . In addition, each of the aforementioned auxiliary fuel passages 81 is formed only on the side from the end side (upstream side) where the ball valve stops when it is opened to the substantially intermediate portion,
而並未形成在球_關時所抵靠之另-端侧（下游侧） 及其附近側面。 本實施形態中，由於設在待機管34、36 面Ϊ著軸向凹設成溝狀之辅助燃料通路8卜係 座部分之待機技術，不僅可擴大闕 37停留在ηημ 的内徑’亦可擴大在球型閥35、 德料流路。 之上1之 示燃料轉朗部份剖開剖視圖。 功能的示意圖傾料轉崎閥所赵之燃料切斷 構造的放大0剖视1圖丁本發明傾斜時燃料切斷閥之閥座部分 弟5圖係顯示習知技術傾斜時燃料切斷閥之閥座部 200533833 分構造的放大剖視圖。 第6圖係顯示第2圖B-B線之剖面構造例的圖式。 第7圖係顯示相當於習知技術第6圖位置之剖面構造 圖。 【主要元件符號說明】 10 燃料泵 11 凸緣部 12 滤油裔 14 連接器 16 泵本體 20 燃料槽 30 調壓閥 31 第一燃料切斷閥 32 第二燃料切斷閥 33 止回閥 34 第一待機管 35 > 37 球型閥 36 第二待機管 42 > 43、44 連通路 45 排出管 60 開口部 61 唇狀構造 81 (81a、81b、81c、81d 、81e 、81f、 81g) 輔助燃料通路 12It does not form the other-end side (downstream side) and its nearby sides against which the ball abuts. In this embodiment, the standby technology provided on the sides of the standby tubes 34 and 36 with the auxiliary fuel passage 8 recessed in a groove shape in the axial direction can not only enlarge the inner diameter of 阙 37 staying at ηημ, but also Expand the ball valve 35 and the German material flow path. The fuel transfer section shown in the above 1 is a cross-sectional view. Schematic diagram of the function of the fuel cut-out structure of the dump valve of the tilting valve. An enlarged cross-sectional view of the fuel cut-off valve of the fuel cut-off valve according to the present invention is shown in FIG. Enlarged sectional view of the seat structure 200533833. Fig. 6 is a diagram showing an example of a cross-sectional structure taken along the line B-B in Fig. 2; Fig. 7 is a sectional structural view corresponding to the position of Fig. 6 of the conventional technique. [Description of main component symbols] 10 Fuel pump 11 Flange 12 Oil filter 14 Connector 16 Pump body 20 Fuel tank 30 Pressure regulator 31 First fuel shutoff valve 32 Second fuel shutoff valve 33 Check valve 34 One standby tube 35 > 37 ball valve 36 second standby tube 42 > 43, 44 communication path 45 discharge tube 60 opening 61 lip structure 81 (81a, 81b, 81c, 81d, 81e, 81f, 81g) assist Fuel passage 12