Push type vacuum refreshing box
The utility model discloses a push type vacuum refreshing box, including the box body of nai high temperature glass, the tip of the box body of nai high temperature glass lid has closed plastic cover,and the top position of plastic cover is equipped with the admission valve, and the interior top of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a push type vacuum refreshing box, including the box body of nai high temperature glass, the tip of the box body of nai high temperature glass lid has closed plastic cover,and the top position of plastic cover is equipped with the admission valve, and the interior top of plastic cover is equipped with vacuum pump body, and vacuum pump body's bottom is equipped with thevacuum pump check valve, and the vacuum pump check valve sets up in the box body of nai high temperature glass, vacuum pump body's top is equipped with the vacuum pump cover, be equipped with vacuumpump piston seal between vacuum pump cover and the vacuum pump body. The utility model discloses a vacuum pump body can make the inside evacuation of the box body of nai high temperature glass, and the convenience keeps fresh to the food in the box body of nai high temperature glass, can aerify the inside of the box body of nai high temperature glass through the admission valve, conveniently openplastic cover.
本实用新型公开了种按压式真 |
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