The invention relates to the technical field of automobile fuel tank covers, in particular to an automobile fuel tank cover with good sealing performance. The automobile fuel tank cover comprises a cover body and a fuel pipe, a circular groove is formed in the bottom side in the cover body, a cylinder is slidably connected in the circular groove, a threaded hole is formed in the bottom end of thecylinder, and a through hole penetrating into the circular groove is formed in the bottom end of the cover body; the top end of the fuel pipe penetrates through the through hole and is screwed in thethreaded hole, a first sealing ring is fixedly connected to the top end of the threaded hole, the bottom end of the first sealing ring makes contact with the top end of the fuel pipe, and a first sliding groove is formed in the portion, located on the upper side of the threaded hole, in the cylinder; the multi-layer sealing is conducted under the action of a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a sealing gasket, external water and dust are effectively prevented from entering the fuel pipe, meanwhile, the gasoline volatilization can be reduced, the sealing performance of the fuel tank cover is improved, a certain anti-theft function is achieved, and the use practicability of the fuel tank cover is improved.
本发明涉及汽车燃油箱盖技术领域,具体为一种密封性能好的汽车燃油箱盖,包括盖体和燃油管,盖体的内部的底侧的设置有圆槽,圆槽的内部滑动连接有圆柱,圆柱的底端设置有螺纹孔,盖体的底端设置有贯穿至圆槽内部的通孔,燃油管的顶端穿过通孔并与螺装在螺纹孔的内部,螺纹孔的顶端固定连接有第一密封环,第一密封环的底端与燃油管的顶端接触,圆柱的内部位于螺纹孔的上侧设置有第一滑槽;其通过第一密封环、第二密封环、第三密封环、第四密封环和密封垫的作用进行多层密封,有效防止外部的水灰尘进入燃油管的内部,同时能够减少汽油挥发,提高油箱盖的密封性,具有一定的防盗的功能,提高了其使用的实用性。
Automobile fuel tank cover with good sealing performance
一种密封性能好的汽车燃油箱盖
2020-12-04
Patent
Electronic Resource
Chinese
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 |
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