Device for reducing abnormal sound at end part of flocking flexible shaft

• Main Author: CAO XINGYUN
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2023
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BEARINGS; BLASTING; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL; WEAPONS

The utility model discloses a device for reducing abnormal sound at the end of a flocking flexible shaft, and belongs to the technical field of flexible shafts. The flexible shaft comprises a flexible shaft body, wherein the end part of the flexible shaft body is fixedly connected with a square head; the square head is arranged in the tensioning sleeve, and the outer contour of the square head is matched with the inner contour of the tensioning sleeve; and the tensioning structure is used for outward tensioning of the tensioning sleeve. The square head and the tensioning sleeve are used in cooperation, the square head, the tensioning sleeve and the inner wall of the square hole extrude one another, gaps among the square head, the tensioning sleeve and the inner wall of the square hole are filled, the square head, the tensioning sleeve and the inner wall of the square hole are tightly and fixedly connected together, friction and collision between the end of the flexible shaft and the square hole are avoided, a