22results about How to "Strong bite" patented technology

The plastic-coated bearing outer ring comprises a bearing outer ring body and a plastic-coated ring, a plurality of anti-skid grooves are formed in the outer side of the bearing outer ring body, a plurality of anti-skid protruding blocks are arranged on the inner side of the plastic-coated ring body, the anti-skid grooves and the anti-skid protruding blocks are connected in a matched mode, and the anti-skid grooves are arranged in a staggered mode in the height direction of the bearing outer ring body. The position and the angle of each anti-skidding protruding block slightly deviate, the structure can evenly distribute loads and provide more stable anti-skidding performance, and when one anti-skidding protruding block is broken, other protruding blocks around the anti-skidding protruding block can still bear part of the loads and provide the anti-skidding function. Meanwhile, the side edge length of the anti-skid grooves in the circumferential direction is larger than that of the anti-skid grooves in the height direction of the bearing outer ring, so that the structures of the anti-skid convex blocks in the circumferential direction are thickened and enhanced, the bending resistance can be improved, fatigue fracture is not prone to occurring under positive and negative rotation pressure bearing alternate operation of the bearing, and the service life of the bearing is prolonged. The service life of the plastic-coated bearing can be prolonged, and the combination of the plastic-coated part and the bearing outer ring is firmer.

The utility model belongs to the technical field of lock cylinders, and particularly relates to a motor lock cylinder which comprises a gear motor and a lock cylinder body, a lock cylinder core is arranged in the lock cylinder body, a rotating shaft is arranged at one end of the gear motor and connected with the lock cylinder core, the gear motor is driven to drive the lock cylinder core to rotate through the rotating shaft, and a connecting portion is further arranged at the upper end of the lock cylinder body. A fixing part is arranged at the lower end of the gear motor, the gear motor is fixedly connected with the connecting part on the lock cylinder through the fixing part, the motor lock cylinder is simple in structure, the lock cylinder can be fixedly connected with a reduction gearbox, and normal opening and closing of an intelligent lock cannot be affected.