The invention discloses a fuel tank and a film blowing process manufacturing method of the fuel tank, the fuel tank comprises a fuel tank body and a pre-embedded accessory, the pre-embedded accessory comprises a joint main body and a disc-shaped part, the disc-shaped part is provided with an attachment part, and the disc-shaped part is provided with a plurality of through holes distributed in the circumferential direction; the embedded accessory comprises a plurality of movable column bodies, and each movable column body comprises a cylindrical section and a conical column section located on the inner side of the cylindrical section. A column hole is formed in the movable column body, the column hole penetrates to the outer end of the cylindrical section, and an internal thread is machined in the column hole; the multiple movable columns are correspondingly arranged at the multiple through holes respectively, and the cylindrical sections are in sliding fit with the through holes, so that the conical column sections are located on the inner side of the rear disc face of the disc-shaped part, and a first embedding area is defined by the conical column sections and the rear disc face.
本发明公开了一种燃油箱以及燃油箱的吹膜工艺制造方法,该燃油箱包括油箱本体以及预埋附件,预埋附件包括接头主体以及盘状部,盘状部上设置有附接部,所述盘状部上开设有周向排布的多个通孔;所述预埋附件包括多个活动柱体,每个所述活动柱体均包括圆柱段以及位于所述圆柱段的内侧的锥柱段;所述活动柱体内开设有柱孔,所述柱孔贯通至所述圆柱段的外端,所述柱孔内加工出内螺纹;多个所述活动柱体分别对应设置于多个所述通孔处且所述圆柱段与所述通孔滑动配合,从而所述锥柱段位于所述盘状部的后盘面的内侧而与所述后盘面限定出第一嵌入区域。
Fuel tank and film blowing process manufacturing method of fuel tank
燃油箱以及燃油箱的吹膜工艺制造方法
2024-02-06
Patent
Electronic Resource
Chinese
FUEL TANK MANUFACTURING DEVICE AND FUEL TANK MANUFACTURING METHOD
European Patent Office | 2024
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