Pump head convenient to recycle and hose adopted by pump head convenient to recycle
The invention discloses a pump head convenient to recycle and a hose adopted by the pump head convenient to recycle. The pump head convenient to recycle comprises an outer cover, a press head, a plastic spring and a one-way check valve. The outer cover defines an accessory cavity. A material conveyi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a pump head convenient to recycle and a hose adopted by the pump head convenient to recycle. The pump head convenient to recycle comprises an outer cover, a press head, a plastic spring and a one-way check valve. The outer cover defines an accessory cavity. A material conveying hole is formed in the accessory cavity. The press head is installed in the accessory cavity in the manner of being capable of pressed. The outer portion of the press head is provided with a discharging hole. The plastic spring is arranged in the accessory cavity. The plastic spring is in a tubular shape. One end of the plastic spring is connected with the outer cover in a sealed manner. The plastic spring is connected with and communicates with the material conveying hole. The other end of the plastic spring is connected with the press head in a sealed manner. The plastic spring is connected with and communicates with the discharging hole. The one-way check valve is arranged in the plastic spring. When the press |
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