Beverage preparation apparatus adapted for preparing beverages by means of supply of a pressurized fluid by a fluid supply source so that flows through a single portion of edible substance precursor of a beverage, whereby said apparatus comprises: - a portion collection disposition arranged downstream of a fluid injection disposition provided stationary, and upstream of a beverage discharge disposition , and adapted for collection of said single portion in an open position, and for beverage discharge into said beverage discharge disposition in a closed position, - a first support structure provided stationary, presenting a first region, for example the posterior region or the base region, adapted for connection to said fluid supply source , and a second region, for example the frontal region, adapted for supporting said portion collection disposition ; - a closing disposition comprising a closing element presenting an elongated form with a free edge and provided such that can be swivelled around a reference swivel axis , between an open position in which releases passage for introduction of said single portion into said portion collection disposition , and a closed position in which provides closing of said portion collection disposition in a liquid-tight manner, characterized in that said closing element is provided so that said respective free edge is oriented backwards and that can be moved around a reference swivel axis disposed in a frontal region and below the top region of said first support structure , so that said closing disposition can be opened by a corresponding swivelling movement of said closing element from a substantially horizontal direction and oriented backwards, corresponding to the closed position, to a substantially vertical direction and oriented upwards in a frontal region of said first support structure , corresponding to the open position, and can be closed by means of a reverse movement, and in that said first support structure presents an envelope casing , whereby said closing element is configured so that, in the closed position, results adjacent to the top region of said envelope casing or at least partially embedded therein. - a portion collection disposition arranged downstream of a fluid injection disposition provided stationary, and upstream of a beverage discharge disposition , and adapted for collection of said single portion in an open position, and for beverage discharge into said beverage discharge disposition in a closed position, - a first support structure provided stationary, presenting a first region, for example the posterior region or the base region, adapted for connection to said fluid supply source , and a second region, for example the frontal region, adapted for supporting said portion collection disposition ; - a closing disposition comprising a closing element presenting an elongated form with a free edge and provided such that can be swivelled around a reference swivel axis , between an open position in which releases passage for introduction of said single portion into said portion collection disposition , and a closed position in which provides closing of said portion collection disposition in a liquid-tight manner, characterized <EOS>