An automatic dispenser for mixed measurement of grain includes a storage bin having a plurality of holes on a bottom surface and storing grains, a main measurer having a plurality of partitioned measurement compartments and rotatably installed at a position overlapping any one of a plurality of holes provided on the bottom surface of the storage bin, an auxiliary measurer having a plurality of partitioned measurement compartments and installed at a position overlapping the rest of the plurality of holes provided on the bottom surface of the storage bin, the measurement compartment being installed to be rotatable only in one direction with respect to the main measurer, a measurer housing installed below the main measurer and the auxiliary measurer and having a discharge port discharging grains introduced into the main measurer and the auxiliary measurer from the storage bin, and a motor rotating the main measurer in both directions, wherein only the main measurer is used or both the main measurer and the auxiliary measurer are used depending on a rotation direction of the motor.

A fresh-keeping structure, which can be combined with a container to form a sealed fresh-keeping device, and the fresh-keeping structure comprising a body, wherein the body has a chamber for placing a preservative, and the chamber communicates with an outside through an opening; a Bluetooth module, wherein the Bluetooth module is provided on the body; and a control module, wherein the control module is provided on the body, the control module includes at least one sensing unit, when the fresh-keeping structure is combined with the container, and the at least one sensing unit can detect environmental indexes in the container and outputs a sensing signal through the Bluetooth module.

A fresh-keeping structure, which can be combined with a container to form a sealed fresh-keeping device, and the fresh-keeping structure comprising a body, wherein the body has a chamber for placing a preservative, and the chamber communicates with an outside through an opening; a Bluetooth module, wherein the Bluetooth module is provided on the body; and a control module, wherein the control module is provided on the body, the control module includes at least one sensing unit, when the fresh-keeping structure is combined with the container, and the at least one sensing unit can detect environmental indexes in the container and outputs a sensing signal through the Bluetooth module.

Hermetically sealed hopper (10) for feeding beans, comprising a closing lid (17), a container (11) having an open upper end (16) and a lower end (19). The lid (17) is provided with first sealing means (30), of the flexible type, configured to cooperate in a sliding and hermetic manner with the internal surface (13).

Hopper (10) for food products in the form of grains, beans, powder or suchlike, comprising a container (11) for the food products having an introduction aperture (13) and an exit aperture (12), attachment means (19) configured to selectively and removably attach the container (11) to a machine (200) for processing the food products, a pneumatic connection member (20) configured to allow the extraction of air from the container (11) and closing means (15, 17) configured to selectively and hermetically seal the container (11).

Hopper (10) for food products in the form of grains, beans, powder or suchlike, comprising a container (11) for the food products having an introduction aperture (13) and an exit aperture (12), attachment means (19) configured to selectively and removably attach the container (11) to a machine (200) for processing the food products, a pneumatic connection member (20) configured to allow the extraction of air from the container (11) and closing means (15, 17) configured to selectively and hermetically seal the container (11).

The present invention relates to a push button made from one selected from soft synthetic resin and soft silicone, comprising: a protruding annular rim protruding downward from the circumferential direction of the perimeter of a support part; a guide groove for the linear movement of a pressing part, which is recessed downward from a portion at which the outer circumferential end portion of the pressing part and the upper end of a height-varying part are in contact with each other; and a cylindrical airtightness-maintaining rod for vertically moving downward by the pressing of the pressing part.

The present invention relates to a push button made from one selected from soft synthetic resin and soft silicone, comprising: a protruding annular rim protruding downward from the circumferential direction of the perimeter of a support part; a guide groove for the linear movement of a pressing part, which is recessed downward from a portion at which the outer circumferential end portion of the pressing part and the upper end of a height-varying part are in contact with each other; and a cylindrical airtightness-maintaining rod for vertically moving downward by the pressing of the pressing part.