3results about How to "Good performance" patented technology

The utility model discloses a kind of micro plunger pumps, comprising: pump body, cylindrical coil, movable core in the axis of cylindrical coil, water inlet pipe and water outlet pipe, valve port is opened in water outlet pipe, check valve assembly is provided at the outlet of valve port and is matched with movable core, to control the on-off of valve port, it is characterized in that, check valve assembly includes the check valve plug made of elastomer material and the cylindrical check valve seat made of metal or polyformaldehyde, elastic component and check valve support seat, check valve seat is installed at the outlet of valve port, the top of check valve seat is provided with the first through-hole corresponding with valve port, elastic component is installed at the end of check valve plug and is matched with check valve support seat to make the arc surface of check valve plug and the outlet of first through-hole abut, the check valve plug made of elastomer material and the cylindrical check valve seat made of metal or polyformaldehyde, not easy to occur chemical reaction, can effectively solve the problem of check valve plug and valve port adhesion.

The utility model discloses an underwater sealed connector, including male end connector and female end connector, male end connector includes first casing, a plurality of contact pins, support framework, sealing element and elastic part, a plurality of contact pins are fixed on the base in first casing, and the outside of contact pin is wrapped with insulating part, and the insulating part is provided with opening to expose the contact of contact pin The part, a plurality of through -holes corresponding to a plurality of contact pins are set up on the support framework, and one end of elastic part is in abutment with the base, and the other end is in abutment with the support framework, and sealing element is in abutment with insulating part to seal the contact part, female end connector includes second casing and a plurality of located in the plug -in end of second casing's insertion slot, and a plurality of insertion slots are set up with contact pin one -one correspondence. The utility model solves the problem that the needle type plug of underwater sealed connector lacks protection when the underwater equipment is maintained currently.

The application discloses a preparation method of sunflower seed protein powder based on dry separation. The method combines subcritical extraction, drying treatment, fine crushing, screening and airflow classification technology to efficiently prepare sunflower seed protein powder with high natural functional property retention rate. The specific steps include: firstly, finely crushing selected sunflower seeds to obtain sunflower seed coarse powder, then using subcritical extraction technology to defat the sunflower seed coarse powder to obtain sunflower seed meal; then, fine crushing the sunflower seed meal and drying treatment to adjust the moisture content; then, the crushed product after drying treatment is preliminarily screened through a vibrating screen; then, the undersize components obtained by screening are separated through an airflow classifier, and finally, sunflower seed protein powder is successfully prepared. The application takes dry separation technology as the core to prepare sunflower seed protein powder, and has high protein content and extraction rate. Compared with the traditional wet method, the method is simple in process and low in cost, can effectively reduce protein denaturation and environmental pollution, and is more conducive to retaining the natural functional properties of sunflower seed protein.