Vacuum storage box
a vacuum storage box and vacuum technology, applied in the field of vacuum storage boxes, can solve the problems of inability to use air pumps, and inability to achieve long-term storage, so as to achieve the effect of satisfying the demand for long-term storage of items
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embodiment 1
[0021]The present invention relates to a vacuum storage box, which, as illustrated in FIGS. 1 and 2, comprises a box body and a vacuum pumping component 3 capable of being fixed on the box body. The box body includes a body 1 and a cover 2; an outer wall is provided with an accommodating groove 21; the vacuum pumping component 3 can be fixed in the accommodating groove 21; a vacuum pumping channel is disposed at the bottom of the accommodating groove 21; an exhaust nozzle matched with the vacuum pumping channel is disposed on a bottom surface of the vacuum pumping component 3; and the vacuum pumping component 3 is provided with a pressure detector which is configured to detect the air pressure of the inner cavity of the box body via the vacuum pumping channel. When the vacuum pumping component 3 is connected to the vacuum pumping channel, if the air pressure of the inner cavity of the box body is greater than the threshold, the vacuum pumping component 3 will pump gas in the inner c...
embodiment 2
[0025]In a preferred embodiment 2 of the vacuum storage box provided by the present invention, the main technical proposal of the embodiment is the same with that of the embodiment 1. Features not explained in the embodiment adopt the explanation in the embodiment 1, so no further description will be given here. The difference between the embodiment and the embodiment 1 is that the box body is provided with a pressure detector. When the vacuum pumping component 3 is connected to the vacuum pumping channel, the pressure detector is electrically connected with the vacuum pumping component 3 and configured to trigger the vacuum pumping component 3 when the air pressure of the inner cavity of the box body is greater than the threshold. Considering the overall cost of products and other reasons, the conventional pressure detector will generally not adopt a small-size and high-precision pressure sensor for detection but adopt a spring or a spring plate for detection. Under the condition, ...
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