37results about How to "Reduce the impact of power quality" patented technology

The invention discloses an electric power supply inserting-connecting apparatus. The electric power supply inserting-connecting apparatus comprises a plug and a socket; the plug comprises a plug hand-held part, an inserting sheet box, a wedge-shaped block and inserting sheets; the inserting sheet box is fixedly mounted at the lower end of the plug hand-held part; an inserting sheet cavity is formed in the inserting sheet box; the inner top end of the inserting sheet cavity is elastically connected with the wedge-shaped block; the two ends of the wedge-shaped block are glidingly clamped with two inserting sheets through a key slot structure; the two inserting sheets run through the two ends of the inserting sheet box respectively; the inserting sheet box movably runs through a through holein the top end of the socket; a contact piece groove is formed in the socket at the lower end of the through hole; and contact pieces are fixed at the two ends of the contact piece groove. Through limiting rods, up and down movement of positioning blocks can be controlled; the limiting rods perform downward thrust on the positioning blocks under the effect of a torsional spring, wherein the thrustis greater than sum of elastic force provided by a spring and a compression spring, so that the positioning blocks can be tightly extruded and pressed at the top end of the socket, and sliding of theplug can be avoided; and therefore, only when the symmetrical limiting rods are pressed downwards, the plug can be inserted into the socket, so that a certain protection effect is achieved.