VACUUM SUCTION CUP Russian patent published in 2017 - IPC F16B47/00 A47G29/87 A47J45/02 

FIELD: machine engineering.

SUBSTANCE: suction cup includes a cover, a suction plate, an inner plate and a height adjustment element. The cover is fixed and configured for rotation on the upper part of the vacuum suction cup and contains a plurality of fastening elements located on the inner upper surface, and a plurality of closing projections. The suction plate is installed under the cover and has a central shaft in center of the outer surface. The inner plate is placed between the cover and the suction plate and includes a plurality of guide portions located on inclined surface, a portion of a locking groove and a stopper which are provided for turning the cover within preset range and stopping the rotation, a plurality of elastic locking elements each having a preset elastic force, in this case, each fixing part slides along them for rotating or fixing the cover. The height adjustment element includes a side plate located on the outer surface of the inner plate circumference, where there is a plurality of guide grooves, into which the guide sections are inserted that are arranged on the inner upper surface of the cover. The closing projection which is designed for sliding along the upper surface of each guide section and is located between the guide grooves, a connecting groove section which is located in the suction plate circumference on its upper surface, a supporting section having an axial hole, into which the central shaft is inserted, a connecting projection positioned on the inner plate of the height adjustment element and which is movably inserted the connecting groove portion projecting from the lower surface of the inner plate, and an adhesive element in which there is a through hole for attachment of the suction plate to the attachment surface and which is made of soft material and is fixed to the lower surface of the suction plate.

EFFECT: enhanced smoothness of the operation.

5 cl, 8 dwg