200925405 九、發明說明： 【發明所屬之技術領域】 入口 本發明係有關安裝於汽車或機車等之燃料 ，用以將經由此燃料吸人口送人將（内 内之水分或異物濾除之過濾裝置。 ‘，、、 .，、、科 【先前技術】 Ο 為了防止自燃料箱内由燃料系抽送至内燃機之 入水分或異物’在燃料箱内之燃料吸入口安裝 ^ 來濾去該水分或異物。 ㈣置用 此種過濾裝置，如第5圖至第7圖所示，係由：採 材101製成之袋狀過濾體100 ’設於此過濾體1〇〇内以伴、 持過濾體100呈膨脹狀態之合成樹脂製間隔形成構件2 及用以將此過濾體1〇〇之内部空間103接通燃料吸入口 ％ 之合成樹脂製管接頭300所構成。間隔形成構件2〇〇之下面 形成有間隔形成突起202，以防止間隔形成構件2〇〇上 成做為燃料之流路X之貫通孔201因抽吸力而被變癟的濾 101貼住以致阻礙燃料流通之情形發生。上述管接頭3〇〇 間隔形成構件200，向來係將管接頭3〇〇之突緣肌與^ =構件200之形成貫通孔2()1之外周緣藉由遽材m、相對 接。以將濾材100夾置於此二突緣間，並於間隔形成構件觸 之間隔形成突起202與間隔形成構件2〇〇之貫通孔2〇1之外 周緣之間形成一供超音波熔接用熔接頭H，放置壓 203，而親接頭H，將此接觸面2〇3正上方呈互 接用接合部400加壓加熱熔接在一起（第6圖），而 300間隔形成構件200及濾材100之三者構成一體。依此習 用之過濾裝置，在熔接處所必需保有間隔形成構件200之貫 通孔201周緣部之厚度’接觸面203至間隔形成突起2〇2之 5 200925405 長度之尺寸阻礙過濾裝置之簡潔緊湊化。 【發明内容】 本發明所欲解決之主要問題為針對上述燃料用過濾裝置 提解決方案’除了能將藉由過濾體上所形成之貫通孔互相嵌 接接合之管接頭與間隔形成構件熔接成為一體化之外，又能 使間隔形成構件在接合部位之大小減至最小。 為達成上述目的，本發明之燃料用過濾裝置具備 （ 至(3)之構成： ❹ (1)由以滤材所形成之袋狀過濾體，容設在此過遽體内用 以保持過濾體經常呈膨脹狀態之合成樹脂製間隔形成構件， 及用以使此過濾體之内部空間與燃料吸入口相接連 樹脂製管接頭所構成； 職構件與管細上分祕有藉纟猶體上所形 成之貫通孔而可互減人接合之接合部之同時，也 部之内侧職㈣之流路； 隔形成構件在其接合部之下方形成有義形成突起 ΐΐΐ復於此_形成構件與f接頭各形成有能於自間隔形 ίίί之Ϊ正上方位置至燃料流路之間藉相互溶著而使兩者 熔接成一體之熔著部。 $ 上成構件因在其接合部之下方具有間隔形成用 =古f;將間隔形成構件與管接頭從間隔形成用突起之略 熔著二Ϊίίίί路之間部位予以熔著’而使兩者接合之 路之間隔形朗突起可緊靠著流路配置 ΪΪΐίΪί ίΐ留間隔，或將此間隔盡量縮小之狀態下 ί ΓΓ i ί ’能朗隔形鱗件之整體大小減至最 t此’整麵财置乃可實現合理 如將上述間隔形成構件與管接頭藉由二者之L方所設突 6 200925405 部嵌合於另一方所設凹部而組裝在一起，並將上述熔著部就 設在此嵌合部位時，則在此嵌合部位能使上述二構件牢 接成為一體。 如在上述間隔形成用突起之前端部形成超音波熔接、高 週波溶接、振動熔接、雷射光熔接或旋轉熔接用之工具或模 具之麼接面時，便可藉此間隔形成用突起將間隔形成構件與 管接頭在間隔形成用突起之略正上方位置至燃料流路之間之 部位予以溶接在—起。 如於形成上述燃料流路之間隔形成構件之貫通孔之孔緣 部形成環繞著此貫通孔周向排列且在相鄰之間留有間隔之複 ，個間隔形成突起時，便能使經過濾而吸入過濾體内之燃料 從各間隔形成用突起相鄰間之間隔經由貫通孔而送入燃^吸 入Π 〇 又’本發明係將上述燃料用過濾裝置之製造方法藉由 列（1)至（3)之作業工程來完成，即： (1)將間隔形成構件與管接頭之二接合部經由形成於構成 過濾體之濾材上之貫通孔互相接合一起之後； /2)將超音波熔接、高週波炼接、振動熔接、雷射光熔接 或旋轉熔接用模具或工具壓接於間隔形成用突起之前端部所 ❹ 形成之壓接面，以將該間隔形成構件與管接頭互相熔接成一 體，隨後 (j)將上述_成型為餘，靖關_成構件收容於 _使管接頭突設在_體之外部而構成燃料 =發明之燃料用職裝置，可使藉由過濾體上所形成 二互接合之管接頭額隔形成構件之在接合部位的間 構件之尺寸大小，於貫通孔㈣所定之口徑大小之下 減至最小，因此，能使過濾裝置合理的緊密化或小型化。 200925405 【實施方式】 態詳中之第1圖至第4圖就本發明之最佳實施形 1圖表示本實施形態之過濾裝置之使用狀態剖視 圖及第3圖分別表示該過滤裝置之自斜上方所視及 方所視立體® ’第4 ®則表示為了將間隔形成構件2 . ，、s接頭3藉由間隔形成構件2上所形成間隔形成用突起2〇e 溶接成—體，而將熔接賴具(工具）H壓接於間隔形 成構件2之間隔形成用突起2〇e之狀態之剖視圖。 依本實施形態之燃料用過濾裝置係用來安裝於汽車或機 料之燃料箱内之燃料吸人口 Pa，以便防止燃料經由燃料 吸入口 Pa抽送至内燃機（引擎）時將水或異物帶入該内燃機 内。 …、 典型的，此種過濾裝置係安裝在具有燃料吸入口 Pa進入 燃料箱内部T之燃料吸入管p之該吸入口 Pa使用。此種過 濾裝置，一般而言，係將過濾體1之下部緊靠著燃料箱或燃 料泵模組之外殼之底壁Ta安裝配置。 ‘ 經由上述燃料吸入口 pa輸送至内燃機之燃料，係利用 設置在燃料箱内T之未圖示之燃料泵或配設在燃料箱外部之 Q 燃料泵抽送。 上述過濾裝置係由過濾體1、間隔形成構件2及管接頭3 所構成。 過濾體1係由濾材10製成之袋狀體，做為濾材之材料可 使用合成樹脂製網狀物、針織物、紡織物、不織布之布片狀 物。通常將此等布片狀滤材10中選擇一種以上，使用二片以 上予以重疊成一張之狀態相對折之後，使上下片之間能形成 空間的將折邊以外之周邊施以帶狀熔接以使此溶接部14之二 端分別連接不熔接之該折邊之兩端，而形成袋狀過濾體1。 也可將一張分別由布片狀;慮材10之一種以上使用二片以上重 8 200925405 疊而成之第-濾材組1G及第二渡村組1Q，以 在過滤體1之_之-面相面對重叠之後， &200925405 IX. Description of the invention: [Technical field to which the invention pertains] The invention relates to a fuel device installed in an automobile or a locomotive, and a filter device for sucking a person through the fuel to remove the moisture or foreign matter inside. ',,, ., , , [Prior Art] Ο In order to prevent moisture or foreign matter from being pumped from the fuel system to the internal combustion engine in the fuel tank, install the fuel inlet in the fuel tank to filter out the moisture or foreign matter. (4) Using such a filtering device, as shown in Figs. 5 to 7, the bag-shaped filter body 100' made of the material 101 is disposed in the filter body 1 to support and hold the filter body. The synthetic resin spacer member 2 in the expanded state of 100 and the synthetic resin pipe joint 300 for closing the internal space 103 of the filter body 1 to the fuel suction port % are formed. The space forming projections 202 are formed to prevent the gaps 101 of the flow path X which is the fuel flow path of the space forming member 2 from being stuck by the filter 101 which is deformed by the suction force so as to hinder the flow of the fuel. tube The joint 3 is formed by the spacer member 200, and the flange member of the pipe joint 3 is formed with the contact member 200 and the outer periphery of the through hole 2 () 1 is opposed by the coffin m. Between the two flanges, a weld joint for ultrasonic welding is formed between the outer periphery of the through hole 2〇1 of the space forming member and the outer peripheral edge of the through hole 2〇1 of the space forming member 2〇〇, and is placed. Pressure 203, and the joint H, the contact surface 2〇3 is superposed and welded together by the joint portion 400 (Fig. 6), and the 300 spacer forming member 200 and the filter medium 100 are integrated. According to the conventional filter device, the thickness of the peripheral portion of the through hole 201 of the spacer forming member 200 must be maintained at the welded portion. The contact surface 203 to the space forming the protrusion 2〇2 is 200925405. The length of the length prevents the filter device from being compact and compact. SUMMARY OF THE INVENTION The main problem to be solved by the present invention is to provide a solution for the above-described fuel filtering device, in which a pipe joint and a spacer forming member which are mutually engaged by a through hole formed in a filter body are welded together. In addition to the integration, the size of the joint forming member at the joint portion can be minimized. To achieve the above object, the fuel filter device of the present invention has the composition of (to (3): ❹ (1) The formed bag-shaped filter body is accommodated in the resin body to maintain the filter body in a state in which the filter body is often expanded, and the space for forming the filter body is connected to the fuel suction port. The pipe joint is composed of the joint member and the pipe. The joint is formed by the through hole formed on the body of the pipe, and the joint portion of the joint is also reduced. A forming protrusion is formed under the joint portion, and the forming member and the f-joint are respectively formed to be fused to each other by the mutual dissolution from the position directly above the gap to the fuel flow path. One of the melting parts. The upper member is formed by the space under the joint portion = the ancient f; the spacer forming member and the pipe joint are fused from the portion of the space forming protrusion to the side of the slightly fused contact, and the two are joined The interval of the road can be placed close to the flow path, or the interval can be minimized. ί ΓΓ i ί 'The overall size of the partition can be reduced to the most It is possible to realize that the above-mentioned space-forming member and the pipe joint are assembled by fitting the L-shaped portion 6 200925405 of the two sides to the recess provided in the other side, and the above-mentioned fusion portion is provided. In the case of the fitting portion, the two members can be firmly integrated at the fitting portion. When the end portion of the interval forming protrusion is formed with a joint of a tool or a mold for ultrasonic welding, high-frequency welding, vibration welding, laser light welding, or spin welding, the spacer forming spacers can be formed at intervals The member and the pipe joint are welded together at a position slightly above the space forming projection to the fuel flow path. The hole edge portion of the through hole forming the interval forming member of the fuel flow path is formed to be circumferentially arranged around the through hole and spaced apart from each other, and when the space is formed to form a protrusion, the filter can be filtered. The fuel sucked into the filter body is sent to the combustion chamber through the through hole from the interval between the adjacent projection forming projections. In the present invention, the manufacturing method of the fuel filtering device is performed by the column (1) to (3) The work is completed, that is, (1) after the two joint portions of the spacer forming member and the pipe joint are joined to each other via the through holes formed in the filter material constituting the filter body; /2) the ultrasonic wave is welded, a high-cycle welding, vibration welding, laser welding or rotary welding die or tool is pressed against a crimping surface formed at an end portion of the gap forming projection to weld the spacer forming member and the pipe joint to each other. Then (j) forming the above-mentioned _ into a surplus, the Jingguan _ into a component is placed in the _ so that the pipe joint protrudes outside the _ body to constitute a fuel = the invention of the fuel service device, which can be formed by the filter body Interconnection The pipe joint of the size of the amount of formed spacer member between the dimensions of the joint member, and a through hole is minimized (iv) below the diameter of a predetermined size, and therefore, can reasonably close or downsizing of the filtration device. [Embodiment] FIG. 1 to FIG. 4 are views showing a preferred embodiment of the present invention. FIG. 1 is a cross-sectional view showing a use state of the filter device of the present embodiment, and FIG. 3 is a view showing a self-slanting upper portion of the filter device. The third embodiment of the present invention is shown in Fig. 3, in order to form the spacer member 2, the s joint 3 is melted into a body by the spacer forming protrusion 2〇e formed on the spacer forming member 2, and is welded. A cross-sectional view of the state in which the spacer (tool) H is crimped to the space forming protrusion 2〇e of the spacer forming member 2. The fuel filtering device according to the present embodiment is used for a fuel suction population Pa installed in a fuel tank of an automobile or a machine to prevent water or foreign matter from being carried into the internal combustion engine (engine) via the fuel suction port Pa. Inside the internal combustion engine. Typically, such a filtering device is installed in the suction port Pa having the fuel suction port P that enters the fuel tank interior T. Such a filter device is generally arranged such that the lower portion of the filter body 1 abuts against the bottom wall Ta of the fuel tank or the casing of the fuel pump module. The fuel delivered to the internal combustion engine via the fuel suction port pa is pumped by a fuel pump (not shown) provided in the fuel tank T or a Q fuel pump disposed outside the fuel tank. The filter device is composed of a filter body 1, a spacer forming member 2, and a pipe joint 3. The filter body 1 is a bag-like body made of the filter medium 10. As a material of the filter material, a mesh made of a synthetic resin, a knitted fabric, a woven fabric, or a non-woven fabric sheet can be used. Usually, one or more of the sheet-like filter materials 10 are selected, and two or more sheets are stacked in a state of being folded one by one, and then a space in which the upper and lower sheets can form a space is formed by applying a band-like weld to the periphery other than the folded edges. The two ends of the welded portion 14 are respectively connected to both ends of the folded portion which are not welded, thereby forming the bag-shaped filter body 1. It is also possible to use a sheet-like sheet of one or more pieces of the material 10 or a plurality of sheets of the first filter medium group 1G and the second group of the village group 1Q which are stacked in a weight of 8 200925405 to be in the surface of the filter body 1 After the overlap, &
之部份為内部空㈣狀S 裁斷整形。間隔形成構件2應在據材10施以炼接 2邊與將施以熔接之周邊之間，或放置於將施 袋顧件2峨靖在 狀物或紡_層， 一片以上。 “ 間隔形成構件2係採用合成樹脂成型史置 體1内以保持過濾體1呈膨脹狀態。 又置在上逃過慮 圖示實施例之間隔形成構件2如第i =板狀之基部20及一端一體連接於此圖基^2〇3 =端 延伸之板狀延伸部21所構成。基部2〇之中』成一 f=ϊΐϋ，基部20之上面形成具有内徑與該貫通孔2〇a 邱9n 間與此貫通孔20相連通之短筒部20c。此短筒 ❹ ίίί 2〇形成有環狀溝2〇d，此環狀溝20d之溝底將 ?著部4。基部20之下面形成有多個間隔形 示之實施例令’間隔形成用突起20e係 =與f部20之貫通孔20a之孔緣2〇b保留微小之距離繞著 基4： Α 之厢從基部2G下面向下突出之環狀突部以等弧 出。刀二份而形之四片圓弧形間隔形成用突起20e所構 mif ’在圖不之實補中’在形成燃料流路x之間隔 ίΐίΐ貫通孔2Qa之孔緣2Gb部位形成有多片繞著比 上9Π \之周圍而於相鄰之間留有所定間隔之間隔形成用 二报此構成能使經_吸人_體1内之燃料通過 ^ 犬起20e各相鄰間之間隔部經由貫通孔20a送入 9 200925405 燃料吸入口 Pa内。此間隔形成用突起2〇e之正上方配置有前 述之環狀溝20d。延伸部21形成細長板體21a，從連接基部 20之一端向遠離之自由端部距離愈遠寬度愈狹窄，板體2ia 上設有多個略方形之貫通孔21b，21b··.，且在其自由端與略中 間部之左右邊緣及與基部20之間之左右邊緣分別突設有自此 延伸部21之下面向下突出之間隔形成用突起2ic。基部20 之間隔形成用突起20e與此延伸部21之間隔用形成突起21c 各形成大致相同之突出尺寸。The part is the internal empty (four) shape S cutting and shaping. The spacer forming member 2 should be placed between the side of the material 10 to be welded and the periphery to which the welding is to be applied, or the one to be placed on the bag or the spun layer, one or more. "The spacer forming member 2 is formed in the synthetic resin molding body 1 to keep the filter body 1 in an expanded state. Further, the spacer forming member 2 such as the i-th plate-like base portion 20 and one end are separated from the illustrated embodiment. The base portion is integrally connected to the plate-like extension portion 21 extending at the end of the base. The base portion 2 is formed into a f=ϊΐϋ, and the upper portion of the base portion 20 is formed with an inner diameter and the through hole 2〇a 9n a short tubular portion 20c that communicates with the through hole 20. The short cylinder 〇 ί ίίί 2〇 is formed with an annular groove 2〇d, and the groove bottom of the annular groove 20d is formed by the portion 4. The lower portion of the base portion 20 is formed with The embodiment of the plurality of spacers is such that the 'interval forming projection 20e=retains a slight distance from the hole edge 2〇b of the through hole 20a of the f portion 20 around the base 4: the compartment protrudes downward from the bottom of the base 2G The annular projections are arc-shaped. The four circular arc-shaped spacers formed by the two-part circularly formed protrusions 20e are arranged in the middle of the fuel flow path x. The 2Gb portion of the hole edge is formed with a plurality of pieces formed at intervals of a distance between the adjacent 9 b and the adjacent portions. In the second embodiment, the space between the fuel passing through the body 1 and the adjacent portion of the dog 20e is sent to the fuel inlet port Pa of the 200925405 through the through hole 20a. The space forming projection 2〇e The annular groove 20d is disposed directly above. The extending portion 21 forms an elongated plate body 21a. The farther away from the one end of the connecting base portion 20 toward the free end portion, the narrower the width, and the plate body 2ia is provided with a plurality of squares. The through holes 21b, 21b··., and the left and right edges of the free end and the slightly intermediate portion and the left and right edges between the base portion 20 respectively protrude from the space forming protrusions projecting downward from the lower surface of the extending portion 21 2ic. The space between the interval forming projections 20e of the base portion 20 and the extending portion 21 is formed to have substantially the same protruding size.
管接頭3係由合成樹脂成型，係用來接在上述間隔形成 構件2以便使上述過濾體1之内部空間15與燃料吸入口 pa 相連通。 圖示之實施例中，此管接頭3係由筒之兩端皆開口之筒 狀主部30 ’設在此筒狀主部30之上端之連接用耳部31，及 形成在此筒狀主部30之下端之突緣部32所構成。連接用耳 部31係设成自筒狀主部30向外侧突出之板狀，其上設有固 疋用孔31a。管接頭3與吸入管p之燃料吸入口 pa係藉燃料 吸入口 Pa從筒狀主部30之上端插入該筒狀主部3〇内部而相 連接。突緣部32之外緣形成圓形，並於突緣部犯之下面内 緣部形成有内徑與間隔形成構件2之短筒部2〇c之外徑略相 等之呈環狀突起狀之短筒部32a。此短筒部32a之内徑於嵌 入間形成構件2之短濟部20c之外徑時，短筒部32a之突 出端32b即插入間隔形成構件2之基部2〇之上面°所形成之環 狀溝20d内。 在本實施例中，當間隔形成構件2之做為接合部之短 部20c經由構成過濾、體1之滤材1〇上所形成之貫通孔構 成過濾體1之濾材10上所形成之貫通孔u嵌入管接頭3之 做為接合部之短筒部32a内’而使間隔形成構件2盥The pipe joint 3 is formed of a synthetic resin and is used to connect the gap forming member 2 so that the internal space 15 of the filter body 1 communicates with the fuel suction port pa. In the illustrated embodiment, the pipe joint 3 is a tubular main portion 30' that is open at both ends of the tubular main body 30. The connecting ear portion 31 is provided at the upper end of the cylindrical main portion 30, and is formed in the tubular main body. The flange portion 32 at the lower end of the portion 30 is formed. The connecting ear portion 31 is formed in a plate shape projecting outward from the cylindrical main portion 30, and a fixing hole 31a is provided thereon. The pipe joint 3 and the fuel suction port pa of the suction pipe p are connected to each other by the fuel suction port Pa inserted into the cylindrical main portion 3 from the upper end of the cylindrical main portion 30. The outer edge of the flange portion 32 is formed in a circular shape, and the inner edge portion of the lower edge portion of the flange portion is formed with an annular shape having an inner diameter which is slightly equal to the outer diameter of the short cylindrical portion 2〇c of the space forming member 2. Short tube portion 32a. When the inner diameter of the short cylindrical portion 32a is the outer diameter of the short portion 20c of the interposed member 2, the protruding end 32b of the short cylindrical portion 32a is formed in a ring shape formed by the upper surface of the base portion 2 of the spacer forming member 2. Inside the trench 20d. In the present embodiment, the short portion 20c as the joint portion of the partition forming member 2 constitutes a through hole formed in the filter medium 10 of the filter body 1 through the through hole formed in the filter medium 1 of the filter body 1. u is embedded in the pipe joint 3 as the inner portion of the short cylindrical portion 32a of the joint portion, and the interval forming member 2盥
Li相ίίί裝之後，使用超音麟接、高週絲^、振動 熔接、雷射光熔接或旋轉熔接用之模具或工具H (例如，採 200925405 =巧音波熔接時之鈷角或鈷頭，高週波熔接時之電極)抵住間 =形成構件2之基部下輯形朗隔軸駭起咖之做抵 之端部’而將此間隔形成構件2與管接頭3經此間 隔形成，突起2〇e於其正上方加以熔接成為一體。 隨後，將上述濾材1〇形成袋狀，以將間隔形成構 内部，而使管接頭3露出外部，完 置即完成。Li, ίίί, after the installation, use the mold or tool H for supersonic lining, high-speed wire, vibration welding, laser welding or spin welding (for example, the use of cobalt angle or cobalt head in the fusion of 200925405 = smart sound wave, high The electrode at the time of the welding of the circumference is formed by the space between the base portion of the forming member 2 and the end portion of the forming member 2, and the space forming member 2 and the pipe joint 3 are formed by the interval, and the protrusion 2〇 e is welded into the body directly above it. Subsequently, the above-mentioned filter medium 1 is formed into a bag shape to form a space inside the partition, and the pipe joint 3 is exposed to the outside, and the completion is completed.
筒Ϊ成構件2與管接頭3係接頭3所設突部33短 ^广，嵌入間隔形成構件2所設畴22之環狀溝謝而喪 =合成-體’同時，紐著部4設在此終部之位置上， 成，在此嵌合部上能使該二構件2、3牢固熔接而形成一體。 巧示之實财’ _形成構件2之_形朗突起服 ^端=獅成上私具H可面細之平坦面崎為此工具 面^ ’同時，間隔形成用突起2如係形成其與突出 交之方向之斷面無論在任何位置皆具有與抵接面 2〇f略相同之面積之故，乃可使經由間隔形成用突起2〇 成用突起2Ge之略正上方位置做為熔起著部4， + 利騎音波熔接«週波_The tubular member 2 and the joint 33 of the pipe joint 3 joint 3 are short and wide, and the annular groove which is embedded in the domain 22 of the space forming member 2 is lost and the body is formed. At the position of the end portion, the two members 2, 3 can be firmly welded to form a unitary body at the fitting portion.巧示实实' _ Forming member 2 _ shape lang protrusion clothing ^ end = lion into the private H can face fine flat surface for this tool surface ^ 'At the same time, the interval forming protrusion 2 is formed by The section of the direction in which the direction of the intersection is slightly has the same area as the abutting surface 2〇f at any position, so that the position of the protrusion 2 is formed to be fused by the position directly above the protrusion 2Ge. Department 4, + Li riding sound wave welding «周波_
構成過親1之紐10之貫通孔u 2〇C之外徑略相等或略大，:慮ST之 ^孔,1之孔緣部12係夾持於經嵌接組裝並絲著部4熔 ΐ 構件2之f部2〇與管接頭3之突緣部32之 曰；第圖中，位於短筒部32a外側之突起34盥對庫之凹 34 廢扁叫4材1G之貫通孔u之孔緣部12 。 依本實施形態之過濾裝置’因間隔在接 隔形成用突起咖，並使間隔形^件 接碩能在此間隔形成用突起2〇e之大致正上 ^ 200925405 體’而此位置即成為熔著部4’藉此構成乃能使用來防止濾 材10貼在間隔形成構件2之燃料流路X (基部20之貫通孔) 之間隔形成用突起20e至此流路X之間之間隔可以不留，或 巧此間隔儘可能減小之狀態構成過慮裝置，因此，能使間隔 形成構件2之外形小型化，進而使整個過濾裝置合理的簡潔 【圖式簡單說明） 第1圖表=過濾裝置之内部構造及使用狀態之剖視圖， 第2圖表=上述過濾裝置之俯視立體圖， 第3圖表^上述過濾裝置之仰視立體圖， 第4圖表=上述過濾裝置實施熔接時之示意圖， 第5圖表^習知過濾裝置之構造之剖視圖， 第6圖表=習知過濾裝置實施熔接時之示意圖， 第7圖表示習知過遽裝置實施間隔形成構件之立體圖。The outer diameter of the through hole u 2〇C constituting the button 10 of the parent 1 is slightly equal or slightly larger. Considering the hole of the ST, the hole edge portion 12 of the hole 1 is clamped to the assembly by the inlay and the wire portion 4 is melted. f The part 2 of the member 2 and the flange portion 32 of the pipe joint 3; in the figure, the protrusion 34 located outside the short tube portion 32a is opposite to the recess 34 of the reservoir. Hole edge portion 12. According to the filter device of the present embodiment, the spacers are formed by the spacers, and the spacers can be connected to the spacers 2〇e. With this configuration, the interval between the space forming projections 20e for preventing the filter medium 10 from sticking to the fuel flow path X (the through hole of the base portion 20) of the space forming member 2 to the flow path X can be prevented. Alternatively, the state in which the interval is as small as possible constitutes a filter device, so that the outer shape of the spacer forming member 2 can be miniaturized, thereby making the entire filter device reasonably simple. [Simplified description of the drawing] Fig. 1 = internal structure of the filter device And a cross-sectional view of the use state, a second diagram = a top perspective view of the filter device, a third diagram, a bottom perspective view of the filter device, a fourth diagram = a schematic view of the filter device when welding is performed, and a fifth chart Cross-sectional view of the structure, Fig. 6 is a schematic view showing a conventional filter device when welding is performed, and Fig. 7 is a perspective view showing a conventional spacer device for performing a spacer forming member.
12 20092540512 200925405
【主要元件符號說明】 1 過慮體 10 遽材 11 貫通孔 12 孔緣部 13 折邊 14 熔著部 15 内部空間 2 間隔形成構件 20 基部 20a 貫通孔 20b 孔緣 20c 短筒部 20d 環狀溝 20e 間隔形成用突起 20f 抵接面 21 延伸部 21a 細長板體 21b 貫通孔 21c 間隔形成用突起 22 凹部 23 凹部 3 管接頭 30 筒狀主部 31 連接用耳部 31a 固定用孔 32 突緣部 32a 短筒部 32b 突出端 33 突部 34 突起 4 熔著部 T 燃料箱内部 Ta 底壁 P 燃料吸入管 Pa 燃料吸入口 H 熔接工具(模具) X 燃料流路 13[Description of main components] 1 Over-conducting body 10 Coffin 11 Through-hole 12 Hole edge portion 13 Folding 14 Melting portion 15 Internal space 2 Space forming member 20 Base portion 20a Through-hole 20b Hole edge 20c Short-tube portion 20d Annular groove 20e Spacer forming projection 20f abutting surface 21 extending portion 21a elongated plate body 21b through hole 21c interval forming projection 22 recessed portion 23 recessed portion 3 pipe joint 30 cylindrical main portion 31 connecting ear portion 31a fixing hole 32 flange portion 32a short Tube portion 32b Projection end 33 Projection portion 34 Projection 4 Melting portion T Fuel tank internal Ta bottom wall P Fuel suction pipe Pa Fuel suction port H Welding tool (mold) X Fuel flow path 13