The invention discloses a plastic filling pipe and a fuel system, the plastic filling pipe comprises a body integrally formed through blow molding, an oil tank connecting part and a filling port part, the oil tank connecting part and the filling port part are connected with the two ends of the body respectively, and at least one corrugated section is arranged in the middle of the body. At least one corrugated section is arranged on the body integrally formed through blow molding, so that the flexibility of the filling pipe is improved, the filling pipe can be bent during transportation, the packaging space is saved, the transportation cost is saved, mounting and dismounting of the plastic filling pipe and maintenance of an oil tank are facilitated, adverse effects caused by welding stress are avoided, and the service life of the filling pipe is prolonged. And meanwhile, the rigid oil tank connecting part can avoid deformation when the filling pipe is connected with the oil tank.
本申请公开了一种塑料加注管和燃油系统,塑料加注管包括通过吹塑一体成型的本体和分别与本体的两端连接的油箱连接部和加注口部,本体的中部设有至少一个波纹段。本申请在吹塑一体成型的本体上设有至少一个波纹段,增加了加注管的柔性,使加注管可以在运输时弯曲放置,节省包装空间,从而节省运输费用,方便塑料加注管的安装、拆卸和油箱的维修,避免焊接应力带来的不利影响,同时刚性的油箱连接部可以避免加注管与油箱连接时的变形。
Plastic filling pipe and fuel system
一种塑料加注管和燃油系统
2023-09-15
Patent
Elektronische Ressource
Chinesisch
Sealing connecting structure and method for plastic oil filling pipe and fuel tank
Europäisches Patentamt | 2015
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