TW479115B - Coupling device for fuel tank - Google Patents

Abstract

This invention provides a fuel tank connector which links the fuel tank and the tube. The main body of the fuel tank connector can be easily and suitably mounted into the fuel tank opening. The outer diameter of a flange 22 is greater than the opening H of the fuel tank T. The lower part of the flange 22 has an insert part 20, and the upper part of the flange 22 has a connector main body 2 which is the connection part 10. A fixed plate 4 on the flange 22 presses the under part of the flange 22 on the connector main body 2 and fixes the flange 22 on the fuel tank connector T by using the fixed part 41.

Description

Printed by the Zhiyihui Property of the Ministry of Economic Affairs, printed by the Consumer Cooperative of the Bureau 479115 V. Description of the invention (1) [Detailed description of the invention] [Technical field to which the invention belongs] The present invention relates to the improvement of the connector installed in the fuel container, the fuel The connector of the container is provided with a connection portion that is connected to a delivery pipe or a tube that conveys a fuel or a fluid such as a vaporized gas generated by the fuel, and an insertion portion that is opened at the fuel container and is connected to the opening. A flow path is formed through the fluid provided between the insertion portion and the connection portion, so that the fluid can flow out of the fuel container, or the fluid can flow into the fuel container. [Previous technology] The connector used in the past (composed of a valve in most cases) is installed to block the opening of the fuel container, and has an insertion portion that is inserted across the fuel container and is provided to The fluid flow path between the connecting parts outside the fuel container allows the fuel or evaporated gas in the fuel container to flow into the conveying pipe or tube connected to the connecting part, or the conveying pipe, etc. The delivered fuel is sent into a fuel container. In this connector, generally, in a state where the insertion portion is inserted into the opening of the fuel container, in order to block the opening of the fuel container, a flange which can be connected to the lower surface is provided on the outside of the fuel container. On the installation of the connector and the fuel container in the above-mentioned connection "1", a welding protrusion is provided under the protruding end side of the flange in advance, and the welding protrusion is dissolved by heating and fixed. This is done outside the fuel container. [Problems to be solved by the invention] This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 312717 ------------- ^ -------- t --------- ^ (Please read the notes on the back before filling out this page) 479115 A7

Please read the notes of Φ before filling in this page

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479115 A7 B7 V. Description of the invention (3) After installation, the protrusion of the flange of the fixing body of the fixing portion can be used. • r > Welding of the protrusion will not be difficult because of the protrusion formed by the obstacle. In addition, the convex body of the connector body is easily installed with the evaporating gas body below. The connection body and the fuel container are separately installed to complete the device, as in the end, directly installed in the fuel container. The protrusions heat up the lower side of the flange of the connector body to cause the installation of the connector body as described above. The edge of the connector body can be completely pressed against the connector body of the fuel container at the edge of the connector body, and can be easily attached. In the state of preventing leakage, etc., the installation of the fixed plate is completed. When the connector is heated and melted, the inserting part and the like can be implemented after the outer part is passed through the flange to form the connector. Printed by the Intellectual Property Department of the Ministry of Economic Affairs, the Consumer Cooperatives of the Bureau. In addition, among the inventions described in the second patent application scope, the fuel container connector described in the first deaf patent scope has a dense component. The fluid can be prevented from coming out between the connector body and the opening of the fuel container. To seal the sealing member, the protrusion of the connector body is used. Outside, • is pressed against the fuel container, places the fixing plate 4 is fixed to the fixing portion of the fuel container. According to this configuration, the sealing member is fixed to the fuel container, and the phase flange can press the above-mentioned member to the outside of the fuel container through the connector body pressed against the outside of the fuel container to provide the sealing member. In this position, the leakage of fuel gas through the flange of the connector body can be prevented. In addition, among the inventions described in the third patent application scope, the solid paper standards for the fuel container connector described in the first or second patent scope are applicable. _Home Standard (CNS) A4 Specification ⑵Q x 297 公 餐 312717 ------------- install -------- order --------- line (please read the precautions on the back before filling this page ) 479115 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 V. Description of the invention (4) The fixing part of the fascia plate is formed with a welding protrusion located outside the protruding end of the flange of the connector body, and the fixing plate is It is fixed to the fuel container by heating and melting of the welding protrusion. According to this configuration, when the connector body and the fuel container are mounted, the fusion protrusion portion of the flail body and the fixing plate provided separately can be simply heated and melted, and the type of the welding protrusion portion is directly provided. In the case of the protruding end of the flange of the connector body, when the welding protrusion is heated and melted, the above-mentioned insertion portion and the like on the lower side of the flange of the connector body do not cause obstruction, and the connector body is easy. Installation work. In addition, in the invention described in claim 4 of the scope of patent application, the connector in the connector for a fuel container described in claim 3 of the scope of patent application This system is made of a synthetic resin that does not easily pass the evaporated gas generated by the fuel. The plastic molded product is made of materials, and the fixed plate is a plastic molded product made of a synthetic resin material that is easily fused with the synthetic resin material constituting the fuel trough. According to this configuration, in a state in which the leakage of the evaporated gas is easily prevented, the welding projection is heated and the fixing plate can be appropriately fixed to the fuel container. In addition, in the invention described in claim 5 of the scope of patent application, the connector for the fuel container connector described in claim 3 of the scope of patent application, the system is a plastic molded product made of polycondensation, and the fixing plate is made of poly Plastic molded articles made of ethylene. In addition to polyacetal, which is considered to be difficult to let the above-mentioned evaporated gas pass through, 'the fuel container composed of synthetic resin material, and its synthetic resin material, this paper size applies to the Chinese National Standard (CNS) A4 specifications (〇x 297 meals)) ( Please read the precautions on the back before filling this page.) -------- Order --- Qin 479115 Printed by A7 of the Ministry of Economic Affairs, Huicai and AI Bureau, Consumer Cooperatives. V. Description of Invention (5) By using high-density polyethylene, according to such a structure, the above-mentioned fixed plate can be appropriately fixed to the fuel container by heating and dissolving the welding protrusion in a state where the evaporation gas is easily prevented from leaking out. [Embodiments of the invention] Hereinafter, typical embodiments of the present invention will be described with reference to Figs. 1 to 10.丨 Next, Figs. 1 to 5 show an example of the connector C showing 1 related to the embodiment, and Figs. 6 to 10 show the same as those shown in Figs. 1 to 5. The configuration of the connector c is another example of the connector C that is partially different. Specifically, FIG. 1 and FIG. 6 show the ^ part of the cover 1 in a three-dimensional state in order to easily understand the structure of the outer cover i constituting the connector C related to the embodiment, and FIG. 2 FIG. 7 shows a front view of the external cover 1. In addition, Figs. 3 and 8 show that the connector body 2 constituting the connector C is covered with a fixing plate 4 and is shown in > front view. In addition, FIGS. 4 and 9 are sectional views showing a separated state of the connector body 2 mounted on the fuel container T and the outer cover 1 fitted in the connector body 2, and FIGS. 5 and 10 are sectional views. A cross-sectional view showing a state where the external cover 1 is embedded in the connector body 2 is shown. (In addition, in FIG. 4, FIG. 5, FIG. 9, and FIG. 10, for the sake of convenience, the fixing plate 4 is shown in a state in which the welding protrusion portion 41 a of the fixing plate 4 is not melted) The related connector C for a fuel container is provided with: a paper size for transporting a fuel or a fluid such as a vaporized gas generated by the fuel. The paper size is applicable to the Chinese National Standard (CNS) A4 (210 X 297 public love) 312717- ------------ install -------- order --------- line (please read the notes on the back before filling this page) 479115 Qi i Fee F ± system A7 V. Description of the invention (6) The pipe 10 or the connecting part 10 connected to the conveying cylinder P; and the insertion part 20 opened at the opening η of the material container T, and inserted through the insertion part 20 The flow path of the fluid between the section 20 and the connecting section ii) is flying, and the connector C is installed in the fuel container T ′ so that the fluid can flow out of the fuel container 7 or the fluid can flow into the fuel container T Inside. In the example shown in Figs. 1 to 10, the connector C is mounted on the fuel container T in the following configuration; the evaporated gas generated by the fuel ordered by the fuel container T is sent to the fuel container T. The wheel P is delivered to a canister P of a caniSter, and the inserter 2G is inserted into the opening of the fuel container 1 while the conveyer P is connected to the connection portion 1Λ. In this embodiment, the connector C is divided into an outer cover 1 having the above-mentioned connection portion 1G, and a connector body 2 having the above-mentioned insertion portion 20. Then, the connector body 2 is installed in the fuel container T through the opening of the fuel container d'into the fuel container T to install the connector body 2 behind the burner trough τ 'in order to plug the connector body installed in this manner. The external opening 2 of 2 is to insert the external cover 1 ′ into the external opening 21 so that the above-mentioned processing gas sent out through the insertion portion 2G of the connector body 2 can be opened from the feeding portion σ 21 is sent out through the outer cover body through the connecting portion 1G of the outer cover body 1 to the carousel p in contact with the connecting portion β-. In addition, the connector C has a fixing portion 41 fixed to the outer surface of the fuel trough τ on the lower surface side, and has a fixing 4 fixed to the fuel container T with the fixing portion so that the lower surface side is pressure-bonded to The above paper size applies to 5 national standards (CNS) A4 specifications (21G X 297 Public Love S12717 (please read the precautions on the back before filling out this page) 479115 Printed by the Ministry of Economic Affairs, Intellectual Property, Bureau Consumer Cooperatives A5 7. Description of the invention (7) The above-mentioned upper surface of the flange 22 of the connector body 2 is inserted from the outside of the fuel container τ into the opening η of the fuel container τ, and the connector body 2 after installation The fixing plate 4 is fixed to the fuel container T. In addition, the connector C is provided with a sealing member 3 and can prevent the fluid from leaking between the connector body 2 and the opening Η of the fuel container T. The sealing member 3 is pressed against the outside of the fuel container τ by the flange 22 of the connector body 2, and the fixing plate 4 is fixed to the fuel container τ by the fixing portion 41. (Connector Body 2) In this embodiment, the connector body 2 has a structure similar to the following (1) to (7). (1) It has a circular flange 22 protruding outward from the outer periphery. The flange 22 is The outer diameter is larger than the diameter of the opening Η of the fuel container T. (2) The lower side of the flange 22 is inserted into the opening Η of the fuel container D as the insertion portion 20, and The upper portion of the flange "is provided with the above-mentioned external opening 21. (3) In order to protrude below the flange 22 below, a cylindrical bulge is formed at approximately the center portion of the flange 22 as Insertion portion 20. A fuel gas inflow opening 20a is formed at approximately the center of the lower surface of the insertion portion 20. (4) In order to allow the lower end to communicate with the inflow opening 20a, go from approximately the center of the flange 22 to The upper end of the cylindrical body 21a protruding above forms the outer gap 21. ^ -------- ^ --------- ^ (Please read the precautions on the back before filling this page)

312717 479115 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

A7 B7 V. Description of the invention (8) (5) On the upper surface of the flange 22, a peripheral projection 仏 is formed at a distance from the outer surface of the cylindrical body 21 & And the outer surface of the cylindrical body ⑴ and the pericyclic protrusion 22aH shape the above-mentioned external cover body! The surrounding groove 22b. When the connector body 2 is mounted by inserting the insertion portion into the opening Η of the fuel container T, the peripheral grooved coffee has an inner bottom surface 22d deeper than a position below the outer surface of the fuel container T. 6) On the lower surface side of the flange 22, there is provided a cylinder sleeve 22e that joins one side of the cylinder end edge with the lower surface of the flange 22 to form a body. The above-mentioned insertion portion 20 is arranged on the inside of the Shaw body & In addition, the outer diameter of the cylinder ... is such that the opening H can be inserted into the fuel container?. The tube end on the other side of the tube body 226 is closed by opening a cover ug provided with a through hole 2. (7) A floating body 22h is accommodated in the cylindrical body 22e. The floating body 22h usually exists in a position where the inner surface of the cover 22g meets the bottom surface of the floating body 22h according to its own weight. In this position, the upper surface of the floating body 2 is used so as not to plug the insertion portion. 20 of the inflow port 20a. Between the outer surface of the floating body 2 and the inner surface of the cylindrical body 22e, a gap is ensured by a rib 22f formed on the inner surface of the cylindrical body 22 & The through hole 22j formed in 22g and the through hole 22j formed in the side of the cylinder 22e allow the fuel gas flowing into the cylinder 22e to pass through the gap to the inflow port 20a of the insertion portion 20 to external. In addition, the floating body 22h is made of a material that is slightly heavier than the specific gravity of the fuel. A compression M scale is installed between the lower surface of the floating body 22h and the inner surface of the cover 22g. The Chinese National Standard (CNS) A4 specification (210 X 297 public love «^ --------- ^ -------------------- (Please read the precautions on the back before filling out this page) 479115 A7 B7 V. Description of the invention (9) (Please read the precautions on the back before filling in this page) Coil spring 22k, through the through hole 22j of the above cover and through hole 22j opened on the side of the cylinder 22e, put the fuel into When inside the cylinder 22e, the spring 22k quickly floats and the valve protrusion 22i formed at about the center above the floating body 22h flows into the inflow port 20a to prevent fuel from flowing from the inflow port 20a. Inflow function. (Fixed plate 4) In this embodiment, the fixed plate 4 has the following structures (1) to (5). (1) In the center portion, the connector body 2 is formed from below. A circular plate-like shape of the circular hole 40 received by the peripheral protrusion 22a. (2) The upper edge is provided with a hole edge along the circular hole 40, and surrounds The peripheral protrusion 42 of the circular hole 40. The peripheral protrusion 42 is located in the circular protrusion 40a of the connector body 2 from the upper end surface thereof, and is received in the circular hole 40 of the fixing plate 4 from below, and The lower surface of the fixing plate 4 is press-bonded to the upper position of the flange 22 of the connector body 2 (Fig. 4, Fig. 9 / below, referred to as the fixing position of the fixing plate 4) to form a connector with the connector. The height of the upper end of the peripheral protrusion 22a of the main body 2 is almost the same position. Printed by the Ministry of Economic Affairs, Huicai 1. Bureau Consumer Cooperative (3) In addition, the fixed plate 4 has the outer periphery in the fixed position. The size of the portion placed outside the protruding end 221 of the flange 22 of the connector body 2. ⑷ In addition, the outer peripheral portion of the fixing plate 4 is formed along the outer peripheral portion, and a welding protrusion protruding outwardly is formed below. As described later, the fixing portion 4 is fixed to the fuel container Tβ by heating and dissolving the outer surface of the fuel container τ of the welding protrusion 41a, that is, the paper size is applied in this embodiment. China National Standard (CNS) A4 Specification (210 X 297 mm) 312717 479115 V. Description of the invention (w) In the state 'the weld φΊ of the fixed plate 4 is a large part 4la, it refers to the container fixing portion 41 ~ bu of the fixed plate 4, and the weld protrusion 4ia is in the above' It is formed on the fixing plate 4 so that the convex projections 41a of the joint body 2 and the connector body 2 form a gap. (5) In addition, on the upper surface side of the cymbal plate 4, the -end cymbals are joined, as described above. The peripheral protrusions 22 a are formed with four strong ribs 43, 43... Extending in the radial direction at the same time so that the other end is located on the outer peripheral portion of the fixing plate 4. (Seal member 3) In this embodiment, the 'seal member 3 is a ring made of a material, and the seal rings 3 0 and 31 are formed. In the examples of FIG. 4 and FIG. 5, before the insertion portion 20 of the connector body 2 is inserted into the opening portion η of the fuel container, the seal ring 3 is inserted into the edge of the opening portion Η, The inserting portion 20 is formed by jw to form a structure capable of preventing the occurrence of the evaporative gas leakage between the inserting portion 20 and the opening portion n. θ That is, in the examples of FIGS. 4 and 5, the seal ring% is provided on the inside of the ring except for the recess 30 a provided with the opening portion U • ′ of the surrounding fuel container T on the outside of the ring. It also includes a peripheral sealing tongue piece 30b protruding toward the opening portion η ". The space between the upper and lower groove walls constituting the recessed recess ^ wh 30a constitutes an edge that is π sounder than the opening of the fuel container T. The thickness of the opening is slightly smaller. In the state where the space between the upper and lower groove walls is expanded and the soil is stretched to achieve elastic deformation, the edge of the opening Η is inserted into the groove 30a. And the device is installed on the edge of the opening Η. In addition, the paper size of this seal is applicable to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page ) Install ----- Order --------- ^ 11 ^ · Printed buckle 717 479115 A7 by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (Π) The aforementioned sealing tongue in ring 30 The diameter of the internal space formed by the sheet 30b is smaller than that of the cylindrical body 22e of the connector body 2. The outer diameter is slightly smaller. As described above, after inserting this seal ring 30 into the edge of the opening portion H of the fuel container τ, the sealing tongue 30b is elastically deformed by the insertion of the insertion portion 20 of the connector body 2. The sealing tongue piece 30b is in close contact with the outer surface of the cylindrical body 22e. In addition, in the examples of FIG. 9 and FIG. 10_, the sealing ring η is embedded in the connector body 2 just described. The protruding end 221 of the flange 22 can thereby form a structure that prevents the leakage of evaporated gas between the insertion portion 20 of the connector body 2 and the opening portion Η of the fuel container τ. That is, as shown in FIG. In the example shown in FIG. 10, the seal ring 3] is formed to have an embedded groove 3U in addition to the embedded groove 31a having a protruding end 221 of the flange of the peripheral connector body 2 on the outside of the ring. The ring-shaped lower side plate portion 31 is structured with an outer side and a peripheral sealing protrusion 31b. The interval between the walls of the upper and lower grooves constituting the insertion groove 30a is longer than the protruding end of the connector body 2. The thickness of 221 is small, and the interval between the upper and lower groove walls is expanded to achieve a state of elastic deformation. Next, the protruding end 22! Is embedded in the embedding groove ... and installed along the protruding end ⑵. In addition, the seal ring 3 is attached to the outside of the fuel container τ to surround the opening η of the fuel container T In this way, the sealing tongue 31b is tightly adhered to the upper surface of the fuel container T by fixing a later-mentioned fixing plate to the fuel container T ′ and elastically deforming it. (Ansang of the connector body 2) The structure of the device body 2, in this embodiment, the paper size is appropriate-use 11 312717 Μ --------- ^ rtt Please read the note on the back before filling in this page} A7

479115 5. In the description of the invention (12), after inserting the above-mentioned insertion portion 20 into the opening Η of the fuel container T from the outside of the fuel container T and installing it, in order to press the lower surface of the flange 22 to the fuel container The outer surface of T is mounted on the fuel container τ by a fixing plate 4 fixed to the outer portion of the fuel container T. In this embodiment, as described above, after inserting the cylindrical body 22e of the connector body 2 into the opening Η of the fuel container τ, the peripheral protrusion 22a of the connector body 2 is placed in the circular hole 4 of the fixing plate 4. And cover the upper surface of the connector body 2 with the fixing plate 4. In addition, in order to press the flange 22 of the connector body 2 to the opening edge portion of the opening H of the fuel container τ using the fixing plate 4, The welding protrusion 41a of the fixing plate 4 is heat-melted in the fuel container τ, and the connector body 2 is mounted in the fuel container τ. As a result, in the present embodiment, when the connector body 2 is mounted on the fuel container T, it is only necessary to heat-dissolve the welding protrusion 41a of the connector body 2 and the fixing plate 7 provided separately, as if dissolving This kind of welding protrusion 41a is directly provided on the protruding end 221 of the flange 22 of the connector body 2. Generally, when the welding protrusion 41a is heated and dissolved, the above-mentioned insertion protruding below the flange 22 of the connector body 2 The portion 20 and even the cylinder 22e do not cause obstruction, and the installation work of the connector body 2 can be performed. In addition, by heating and dissolving the welding protrusion 4 a to the outside of the fuel container τ to fix the fixing plate 4 of the fuel container T, the flange 22 of the connector body 2 can be crimped to the fuel container. The outer side of τ exerts the following functions. That is, (1) In the examples shown in FIG. 4 and FIG. 5, it is tied to fuel, Λ -------- order ---- I ------ ----- --------- (Please read the notes on the back before filling this page)

A7 A7 Printed by Huihui Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives. B7 V. Description of the Invention (13) Outside the container T, at the side of the opening H, ^ u and the seal 30 in the groove 30a of the seal. The upper plate portion of the ring 30 presses the outside of the fuel container τ, and in a position where the seal ring 30 is provided, it surely prevents fuel passing through the flanges 22, B, and B of the connector body 2 described above. Gas leaks. (2) In addition, in the examples shown in FIG. 9 and FIG. 10, at the side of the opening 燃 on the outside of the container T, the embedded groove 31a of the tight seal ring 31 will be formed. The lower plate portion of the seal ring 31 is pressed against the outside of the fuel container τ, and in a position where the seal ring 31 is provided, the fuel gas passing through the lower surface of the flange 22 of the connector body 2 is surely prevented from leaking out. . In addition, in any of the examples shown in FIG. 4 and FIG. 5 and FIG. 9 and FIG. 10, a seal ring 5 is inserted on the outside of the kitchen surrounding protrusion 22a of the connector body 2 to prevent The fuel gas leaks between the inner surface of the circular hole 40 of the fixing plate 4 and the outer side of the peripheral protrusion 22a. ® In this embodiment, an outer cover i described later is provided with a connecting pipe 10a connected to the conveying cylinder P and extending in the lateral direction. The outer cover 1 is connected by the fixing plate 4 described above. After the connector body 2 is mounted on the fuel container T, its structure is embedded in the connector body 2. Therefore, when the connector body 2 is mounted by the fixing plate 4, the connection pipe 10a does not cause obstruction. (External Cover 1) On the other hand, in this embodiment, the external cover 1 has the following structures (1) to (5). 312717 I ^ --------- ^ (Please read the precautions on the back before filling out this page) 5. Description of the invention (14) ⑴ Equipped with a cylindrical part 11β that can open the lower end and close the upper end () Eight are provided with a flange portion 12 that expands to the outside of the cylindrical portion 丨 丨. (3) The lower side of the flange portion 12 can be extended under the flange portion 12 to the upper end of the protruding portion 22a of the peripheral portion of the connector body 2 above | position 'so that it can fit into the connection The surrounding groove in the device body 2. i (4) The upper side of the flange portion 12 is provided integrally with the side of the cylindrical portion U and the side of the cylindrical end, and protrudes in a direction orthogonal to the cylindrical axis of the cylindrical portion 11 Connection tube i〇a. The connecting tube core is connected to the inner space of the cylindrical portion 11 in the other end side of the cylinder. The other end portion of the connection t 1a is connected to the conveying cylinder. ^ In this embodiment, the other end of the connecting tube core is inserted into the conveying tube from one end of the conveying tube, so that the connecting tube 10a is in contact with the conveying tube. In this embodiment, Three connecting portions 10b of the connecting pipe ι0 & are spaced at intervals to form a circumferential shape, and the outer diameters of the tip portions of the respective protruding portions 10b ′ 1. The inner diameter of the conveying cylinder is large. In addition, the symbol 13 in the figure shows an O-ring inserted between the raised portions connecting the I § tube 10a. (5) The lower portion of the flange portion 12 may be sandwiched by the The lower side of the flange portion 12 protrudes to the upper end position of the peripheral protrusion 22 & of the above-mentioned connector body 2 so that it can be fitted into the surrounding groove 22 b in the connector body 2. The fuel gas of the external opening 21 formed at the upper end of the cylindrical body 21a of the connector body 2 is introduced into the connection pipe 10a. The communication space 14 can be ensured inside the outer cover 1. (Embedding of the outer cover 1 and the connector body 2) 112717 This paper size is applicable _ Home Standard (CNS) A4 size ⑵Q χ 297 public love) Ministry of Economic Affairs wisdom A- Bureau employee consumer cooperative printed clothing 479115 A7 1 1 B7 — V. Description of the invention (15) The external cover 1 and the connector body 2 described above are joined by the following operations: for the blocking device in the above The operation of inserting the external cover 2 into the external opening 21 of the external opening 21 of the connector body 2 of the fuel container T, that is, sandwiching the lower portion of the flange portion 12 in the external cover 1 Side, projecting upward to the position of the peripheral protrusion 22a of the connector body 2 above, allows the external cover 1 to fit into the peripheral groove 22b in the connector body 2. That is, in this embodiment, the external cover 1 and the connector body 2 collide with the engaging protrusions 15 provided on the external cover 1 and the connector body 2 with the above-mentioned insertion operation, and With the elastic deformation outward, the external cover 1 that fastens the fastening portion 23c to the fastening protrusion 15 and the fastening wrist 23 mounted elsewhere on the connector body 2 are connected to each other. People posing. As a result, in this embodiment, after the connector body 2 is attached to the fuel container T, the external cover 丨 is fitted into the external opening 21 of the connector body 2 to eliminate the need for joining parts for other purposes. The buckling portion 23c of the buckling wrist 23 is buckled to the buckling protrusion 15, and the connector body 2 and the outer cover 1 can be connected with a single click to ensure the proper clearance state. In addition, it has the advantage that the joint state of the connector body 2 and the external cover 1 that are joined in the above manner can be used to release the fastener by releasing the engagement of the engaging portion 23 c corresponding to the engaging protrusion 15. The method of elastically deforming the wrist 23 can be easily released according to needs. ^ -------- ^ --------- ^ (Please read the notes on the back before filling out this page) Specifically, 'In this embodiment, the above-mentioned fastening wrist 23 is provided with τ

15 312717 479115 V. Description of the invention (i6) The word-shaped portion 23d 'and the T-shaped portion 23 divided sand A have protrusions φ ^ located on both sides of the wrist portion 23a and the front end portion of the wrist ridge 23a, the blade is large邛 2 讣, and face the bottom of the buckling wrist 23 in the protruding portion 23 b you 丨 not & machi exhibition department side edge part as a corresponding pair (please read the precautions on the back before filling (This page) The engaging portion 23c of the engaging protrusion 15 described above. In addition, the above-mentioned fastening protrusions 15 are also formed with an interval of & ^ to retract the wrist portions 23a of the fastening wrists 23, and at the same time, a pair of protrusions 15a are provided on the top of the grip. Each is provided with a slanted surface, and the slanted surface 15d is for blocking the outer opening 2 1 of the connector body 2 installed in the ascender T, which is delivered to you. 1 Simultaneously with the operation of inserting into the external opening 21, Qiu Hua, which is in contact with the protrusion of the fastening wrist 23, comes out of an old dog 23b, and the protruding fastening Wan 23 is sequentially elastically deformed outward. This result is printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. In this embodiment, the protruding portion 23b of the engaging wrist 23 can be brought into contact with the inclined surface 15d of the protruding strip 15a by the above-mentioned embedding operation, and borrowed. The inclined surface 15d smoothly and elastically deforms outward. In addition, at a position where the protruding portion 23b crosses the top portion 15b of the protrusion 15a, in order to allow the wrist portion 23a to enter between the pair of protrusions i5a, 15a, The engaging wrist 23 is ejected, so that the engaging portion 23c of the protruding portion 23b can communicate with the other side of the protrusion 1 5a top 1 5 b (that is, the above-mentioned inclined surface worker 5 d is provided). Opposite side). In the state where the wrist portion 23a is housed between the pair of projections 15a, 15a, the projection wrist 23 is engaged with the projection portion 15b to engage with the external cover. The body 1 has a vertical axis as a center, and even if a force for rotating the external cover 1 is generated, the external cover 1 can be prevented from moving in the rotation direction, and the fastening protrusion 15 and the fastening wrist can be ensured. The stability of the 23 buckle state. This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 16 312717 479115 A7 B7 V. Description of the invention (i ^ outside 'is used to disengage the connector when necessary !, The elastic deformation of the above-mentioned fastening wrist 23 in the engaged state with the external cover 1 can be easily achieved by holding the aforementioned protruding portion 23b. * True writing page -------------- Assembly --- (Please read the precautions on the back before filling out this page) In addition, in this embodiment, 'the above-mentioned buckle wrist 23 device, the bottom of the wrist # 3a and the outer mouth 21 of the connector body 2-the body Ground connection | 丨 At the same time, the above-mentioned fastening protrusion 15 is formed on the outside of the outer cover 1. In this embodiment, the above-mentioned, the fastening wrist 23 and the above-mentioned fastening protrusion can be formed by plastic molding. The portions 15 'can be easily formed on the connector body 2 and the external cover body 1, respectively. In addition, the connector body 2 and the external cover body j are connected to each other, that is, the protruding portion 23b of the engaging wrist 23 and the buckle. Whether the engaging protrusions 15 are fastened to each other can also be easily confirmed from above the external cover 1. In addition, the line, As described above, when performing the elastic deformation of the engaging wrist 23 in the engaged state of the connector body 2 and the external cover 1 after the engagement is released as necessary, the protruding portion 23b can be easily held. Specifically, here In the embodiment, the fastening wrist portion is provided at the upper end of the peripheral protrusion 22a in the connector body 2 and protrudes approximately perpendicularly to the upper end surface. In this embodiment, the periphery is formed in a cylindrical shape. The fastening wrists 23 are respectively provided on both sides of the protrusion 22a in the diameter direction. The fastening protrusions 15 are provided on the outer side of the upper part of the < ft edge 12 sandwiching the outer cover i. The fastening protrusions 15 are also provided on both sides in the diameter direction of the outer cover 1 forming a cylindrical shape. In addition, the fastenings are stored between the fastening protrusions 5 and 15. Wrist of wrist 23 (210x297 ^ A7 479115 (please read the precautions on the back before filling out this page) V. Description of the invention (The interval of 18 233, a pair of protrusions 15a, 15a extending up and down. This The lower end of the protrusion 15a is respectively above the flange portion ㈣ It is connected to the ground, and the protruding end surface has the inclined surface 15d which gradually inclines upward to increase the protruding size of the two 15a. In addition, it also has the inclined surface i5d and the top 15b (enlarged by the outer cover 1). The projecting portion 15c of the protruding size 153 of the projecting dimension is connected to the fastening surface 15c that faces upward, as described above. It is configured to fit on the fastening surface 15c. In addition, in this embodiment, in order to face the pair of buckle wrists 23, 23 of the connector body 2 toward the other surface of the other fastening wrist 23, f 以ί talent ihf: soil f is formed into an arc-shaped outer shape sandwiching the upper side of the flange portion 2 of the external carcass j, and the outer shape is curved, and the protruding strip is made by the aforementioned inserting operation. The inclined surface 15d of 15a can resist the protruding portion of the engaging wrist 23, and gradually expand the engaging wrist 23 outwardly, and then the protruding wrist 23b crosses the engaging wrist of the top 15b. The ejection of 23 enables the protrusion to the crotch portion 23b and the aforementioned engaging surface 15c to be engaged with each other. The distance between the tops 15b of the protrusions i5a of the pair of fastening protrusions 15, 15 in the outer cover 1 must be designed to face the other of the fastening wrists 23 of the pair of fastening wrists 23, 23. The space between the faces is slightly wider. In addition, in this embodiment t, a lower end portion of the flange portion 12 sandwiching the outer cover 1 is provided with a grooved end that opens one of the lower ends of the outer cover 1 to the outside and extends upward. The bottomed positioning groove 丨 6 is provided at the same time on the-side of the cylindrical body 2U in the protruding portion 22a of the periphery of the connector body 2 with the above-mentioned insertion operation.

A7

The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints the 479115 open end, and inserts the positioning rib 24 of the positioning groove 16. In the positioning groove 16, only the insertion operation of the positioning rib 24 is allowed. 'With the insertion operation in this direction, the pair of fastening arms 23 and 23 of the connector body 2 can be appropriately fastened to the pair of fastening protrusions 15 and 15 of the outer cover 1, respectively. In addition, in this embodiment, a ring-shaped plate-shaped seal is formed so as to cover the bottom surface of the groove of the peripheral groove 22b by providing a hole at the center of the cylindrical body 21a of the connector body 2 described above. The rubber and the O-ring Π embedded outside the cylindrical portion u below the flange portion 12 of the outer cover 1 can form a sealed state so that no fuel gas is generated between the outer cover i and the surrounding recess 2 Leak out. In addition, in this embodiment, since the inner bottom surface 22d of the peripheral groove 22b formed in the connector body 2 is located on a lower side than the upper surface of the fuel container T, the fuel container T The protruding dimensions of the upper outer cover 1 are such that the outer cover 韪 1 is fitted into the connector body 2 in a state where it is reduced as much as possible. (Material of the connector body 2 and the fixing plate 4) Next, it is preferable that the connector body 2 is a plastic molded product made of a synthetic resin material that does not allow the vaporized gas generated by the fuel to pass through, and the above-mentioned fixing plate 4 A plastic molded product made of a resin material that easily fuses with the synthetic resin material constituting the fuel container τ is preferable. With this configuration, the connector body 2: the flange portion 12 is pressed against the seal ring outside the fuel container τ to prevent the leakage of the evaporated gas, and at the same time, the fixing plate 4 is dissolved. Protrusions ... Using Chinese National Standard (CNS) A4 specifications ⑵〇, 297 ^ 7 ~ 19 --II ---- — — — — — 1 II 1 II I order · — — — — 1 — —-(Please (Please read the notes on the back before filling this page) 479115 Α7 Β7 V. Description of the invention (2G) can be properly fixed in the fuel container τ due to heating and dissolution. (Please read the precautions on the back before filling in this page) It is generally believed that polyacetal is not easy to let the above-mentioned evaporation gas pass. Compared with synthetic resin materials, fuel containers made of synthetic resin materials T, in which High-density polyethylene is most widely used. Therefore, the connector body 2 is preferably a plastic molded product made of polyacetal, and the fixing plate 4 is preferably a plastic molded product made of polyethylene. [Effects of the Invention] With the connector for a fuel container according to the present invention, a connector body having an insertion portion at an opening of the fuel container can be easily and appropriately installed in the fuel container. [Brief Description of the Drawings] FIG. 1 is a perspective configuration diagram of the external cover 1. FIG. 2 is a plan view of the outer cover 1. Fig. 3 is a plan view showing a state where the fixing plate 4 is superposed on the connector body 2. Figs. Fig. 4 is a sectional configuration view showing a separated state of the connector body 2 and the external cover 1. Figs. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 5 is a cross-sectional structure diagram showing the state where the external cover 1 is fitted into the connector body 2. Fig. 6 is a perspective configuration diagram of an outer cover 1 constituting a configuration example different from the structure of the parts in Figs. 1 to 5. FIG. 7 is the same as the perspective configuration diagram of the external cover 1. Fig. 8 is the same as the plan configuration view showing the state where the fixing plate 4 is superposed on the connector body 2. Figs. This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 20 312717 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 479115 A7 _B7 V. Description of the invention (21) Figure 9 and the display connector body 2 is the same as the sectional configuration diagram of the separated state of the outer cover 1. Fig. 10 is the same as the cross-sectional configuration diagram showing the state where the external cover 1 is fitted into the connector body 2. Figs. [Explanation of component symbols] ------------- Installation -------- Order --------- Line (Please read the precautions on the back before filling this page ) 1 External cover 2 Connector body 3 Sealing member 4 Fixing plate 6 Sealing rubber 10 Connector 10b Bulging portion 11 Tubular portion 12 Flange portion 14 Communication space 15 Fastening protrusion 15a Protruding strip 15b Top 15c Fastening surface 15d Inclined surface 16 Positioning groove 17 0-ring 20 Insertion part 20a Inflow port 21 External opening bla Tubular part 22 Flange 22a > 42 Surrounding protrusion 22b Surrounding groove 22d Inner bottom 22e Tube 22f Rib 22g Cover 22h Float Body 221 Valve protrusion 22j Through hole 22k Compression coil spring 23 Fastening wrist 23a Wrist 23b Protruding portion 23c Fastening 23d T-shaped portion 24 Positioning rib This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 21 342717 479115 A7 B7 V. Description of the invention (22) 30, 31 Sealing ring 30b Sealing tongue 31b Sealing protrusion 40 Round hole 41a Dissolving protrusion 221 Protruding end Η Opening R flow path 3 0 a, 3 1 a Embedded groove 30c Upper plate portion 31c Lower plate portion 41 Fixing portion 43 Reinforcement Department C Connector P Conveyor T Fuel container (Please read the precautions on the back before filling out this page) _ I an nmm ϋ nn Order ---- # Is it printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs? Shenyin Guohong Standard (CNS) A4 Specification (210 x 297 mm) 22 312717

Claims (1)

479115, Patent application scope 1.-A connector for a fuel container, comprising: a connection portion that is connected to a transfer pipe or a tube that transfers a fuel or a fluid such as a vaporized gas generated by the fuel; and an opening In the insertion portion of the fuel container opening, the fluid flow path 'provided between the insertion portion and the connection portion allows the fluid to flow out of the fuel container or allows the fluid to enter the fuel container. The connector mounted on the fuel container is provided with a flange having a larger diameter than the outer diameter of the fuel container opening. The flange has a lower portion. The lower portion of the flange is used as the insertion portion. A connector body with a feeding portion on the flange; and a fixing portion with a lower surface side of the outer surface of the fuel container, in order to press the lower surface side to the upper surface of the flange of the connector body, The fixing portion is fixed to a fixing plate of the fuel container. 2. The connector for a fuel container according to item i of the patent application scope, wherein the connector includes a sealing member capable of preventing fluid from leaking between the connector body and the opening of the fuel container. The flange of the connector body is pressure-bonded to the outside of the fuel container, and the fixing plate is fixed to the fuel container with a fixing portion. 3. If the scope of patent application is the first! The fuel container connector according to item 2 or item 2, wherein the 'fixing portion of the fixing plate' is a welding protrusion located outside the protruding end of the flange of the connector body, and the fixing plate is formed by the welding protrusion The heating and dissolving of the Ministry makes its solid paper size applicable to the Chinese National Standard (CNS) A4 Regulations (210 X 297, 312717, 479115, A8 B8, C8 D8). The scope of the patent application is determined by the fuel container. (If the scope of the patent application is The connector for a fuel container according to item 3, wherein the "connector system" is a plastic molded product made of a type of synthetic resin material that * easily passes the evaporated gas generated by the fuel.成形 Plastic molded articles made of synthetic resin materials that are easily fused with the synthetic resin materials that make up the fuel container. 5 · The connector for a fuel container as described in item 3 of the scope of patent application, and the connector body * is made of polycondensation The plastic wins & products formed from the brewing, while the fixed plate is a plastic molded product formed from polyethylene. --------------------- Order-- ------- Line (Please read the note on the back first Matters then fill out this page} sleep together Intellectual Property Office employees consumer cooperatives paper printed 312,717 scale applicable to Chinese National Standard (CNS) A4 size (210 X 297 mm)