Drip-proof device for engine oil filling port plugging mechanism
The utility model discloses an anti-leakage device for an engine oil filling port plugging mechanism, which comprises a sealing element for plugging an engine oil filling port, and is characterized in that the sealing element is provided with an inclined sealing surface, an arc-shaped oil groove is...
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Format: | Patent |
Sprache: | chi ; eng |
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