2results about How to "Controllable volume" patented technology

The utility model provides a kind of brewing assembly for coffee machine, including brewing support, brewing kettle, brewing kettle top rod and linkage mechanism, brewing head is fixed in brewing support inside upper end, brewing kettle can swing installation in brewing head downside;Brewing kettle is connected with brewing head by drive mechanism, drive mechanism includes swing lever rotatably installed in the side portion of brewing head and driving link that is hinged between swing lever and brewing kettle, guiding groove for guiding brewing kettle is provided on brewing support;Brewing kettle top rod is liftable installed in the brewing chamber of brewing kettle, linkage mechanism is installed in the bottom of brewing kettle top rod;In the process that drive mechanism drives brewing kettle to swing, linkage mechanism links brewing kettle top rod to make it lift relative to brewing kettle, to realize the function of coffee powder compaction and coffee cake residue pushing out;The utility model provides a kind of brewing assembly for coffee machine, overcome the defect that existing brewing structure drive is complex, cost is higher, maintenance and control difficulty is big.

The utility model relates to antenna equipment technical field especially is involved in a kind of multi-frequency multi-port base station antenna with combined road, it includes main reflection bottom plate, four groups high frequency array and low frequency array in four groups high frequency array are misaligned and are arranged.Low frequency array is provided with multiple low frequency radiating units.Multiple high frequency phase shift feed modules that are electrically connected with high frequency radiating unit, multiple low frequency phase shift feed modules that are electrically connected with low frequency radiating unit and multi-frequency combiner are provided on the back of main reflection bottom plate.Multiple columns of high frequency array and a group of low frequency array are simultaneously provided on main reflection bottom plate, and low frequency radiating array is ingeniously inserted between high frequency radiating array, compact structure and lightweight design, and multi-band function is realized by integrated design, while keeping antenna volume and weight controllable.