Anti-blocking hand oil pump
The utility model discloses an anti-blocking hand oil pump. The oil pump comprises a pump body, an oil inlet pipe connected with the pump body and an oil outlet pipe connected with the pump body, an oil dirt collecting piece is fixedly connected to the bottom of the pump body, a plurality of first t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an anti-blocking hand oil pump. The oil pump comprises a pump body, an oil inlet pipe connected with the pump body and an oil outlet pipe connected with the pump body, an oil dirt collecting piece is fixedly connected to the bottom of the pump body, a plurality of first through holes are formed between the oil dirt collecting piece and the pump body, the diameter of theends, close to the pump body, of the first through holes is larger than that of the ends, close to the oil dirt collecting piece, of the first through holes, and oil dirt in the pump body cannot return to the pump body easily after entering the oil dirt collecting piece through the first through holes. The oil dirt collecting piece is arranged below the pump body, and the diameter of the first through hole is gradually reduced, so that oil dirt accumulated in the oil tank of the pump body for a long time cannot easily enter the pump body from the oil dirt collecting piece again after enteringthe oil dirt collecting p |
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