PROBLEM TO BE SOLVED: To provide an injection cylinder fitting structure of a tank capable of fitting a metallic injection cylinder to a resin tank main body with satisfactory sealability.SOLUTION: In relation to an injection cylinder fitting structure of a tank 1 for fitting a metallic injection cylinder 3 to a resin tank main body 2 and, at the same time, sealing a part between the tank main body and the injection cylinder, a support cylinder 6 for inserting the injection cylinder 3 is formed integrally with the tank main body 2 on the tank main body 2, a flange 7 which seats on a seat surface 8 of an upper circumferential surface of the support cylinder 6 when being inserted to the support cylinder 6 is formed on the injection cylinder 3, and a seal packing 5 for sealing between the tank main body 2 and the injection cylinder 3 includes an annular seal part 11 for sealing between the flange 7 and the seating surface 8, a cylindrical seal part 20 which is integrally formed with the annular seal part 11 and is fitted to an outer circumference of the injection cylinder 3 and a skirt type seal part 21 which is formed on the outer circumference of the cylindrical seal part 20 and is formed in a skirt shape of which the tip is brought into contact with an inner circumferential surface of the support cylinder 6.SELECTED DRAWING: Figure 1
【課題】樹脂製のタンク本体に金属製の注入筒を十分なシール性で装着できるタンクの注入筒取付構造を提供する。【解決手段】樹脂製のタンク本体2に金属製の注入筒3を装着すると共にその間をシールするためのタンク1の注入筒取付構造であって、タンク本体2に、注入筒3を挿入する支持筒6をタンク本体2と一体に形成し、注入筒3に、支持筒6に挿入したとき支持筒6の上部周面の座面8に着座するフランジ7を形成し、タンク本体2及び注入筒3間をシールするシールパッキン5が、フランジ7及び座面8間をシールする円環状シール部11と、円環状シール部11と一体に形成され注入筒3の外周に嵌合する筒状シール部20と、筒状シール部20の外周に形成され支持筒6の内周面に先端が当接するスカート状に形成されたスカート状シール部21とを備えるものである。【選択図】図1
INJECTION CYLINDER FITTING STRUCTURE OF TANK
タンクの注入筒取付構造
2016-08-08
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / F16J Kolben , PISTONS |