A method and its structure for improving the reliability of an automobile door window lifter
A lifter and reliability technology is applied to a method and structure field for improving the reliability of an automobile door and window lifter, which can solve the problems of failure of the automobile door and window glass lifter, deformation of the center hole of the pulley, and easy detachment from rivets, etc. Easy to install wire rope, easy and smooth lifting, smooth lifting effect
Active Publication Date: 2017-02-01
漳州国全工业有限公司
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Problems solved by technology
[0002] The rope guide mechanism of the existing rope wheel type door and window glass lifter generally adopts an ordinary plastic pulley, and the pulley rotates with the rivet fixed on the end of the guide rail; when the wire rope is tightened or loosened, the pulley is subject to greater pressure and friction. After a period of use, the center hole of the pulley deforms and becomes larger, and it is easy to break away from the rivet, resulting in the failure of the car window lifter
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[0019] Such as Figure 1~3 As shown, a structure to improve the reliability of the automobile door and window lifter, the rope guide mechanism 5 of the automobile door and window lifter includes a fixed pulley 51 for passing around the steel wire rope 2, and the central hole of the fixed pulley 51 is fixedly nested There is a bearing 55, and the inner ring of the bearing 55 is fixed to the end of the guide rail 1 by a rivet 53. The front of the fixed pulley 51 is integrally molded with a cam 54 that guides the wire rope 2 to turn from the cam groove 541 into the pulley groove 511. The maximum diameter of the cam 54 is tangent to the fixed pulley 51 , and the tangent between the fixed pulley 51 and the cam 54 is provided with a transition groove 512 connecting the cam groove 541 and the pulley groove 511 .
[0020] In this embodiment, the fixed pulley 51 is arranged in the rope guide seat 52, and the rivet 53 passes through the fixed pulley 51 and the rope guide seat 52 in turn...
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The invention relates to a method and structure for improving the reliability of a car door and window lifter. A rope guide mechanism of the car door and window lifter comprises a fixed pulley where a steel wire rope is wound, a bearing is fixedly embedded into a center hole of the fixed pulley, an inner ring of the bearing is fixed to the end of a guide rail through a rivet, a cam for guiding the steel wire rope to turn into a pulley groove from a cam groove is arranged on the front face of the fixed pulley in an integral injection molding mode, and the position, with the maximum diameter, of the cam is in tangent with the fixed pulley, and a transition groove for being communicated with the cam groove and the pulley groove is formed in the tangent position of the fixed pulley and the cam. According to the method and structure, the structure of the fixed pulley in the special design is adopted, so that the steel wire rope is conveniently installed, the wear-resisting property is improved, the rope guide mechanism of the car door and window lifter is not prone to being damaged, the service life of the car door and window lifter is greatly prolonged, and it is guaranteed that car door and window glass can be lifted easily and smoothly.
Description
technical field [0001] The invention relates to an automobile door and window glass lifter, in particular to a method for improving the reliability of the automobile door and window lifter and its structure. Background technique [0002] The rope guide mechanism of the existing rope wheel type door and window glass lifter generally adopts an ordinary plastic pulley, and the pulley rotates with the rivet fixed on the end of the guide rail; when the wire rope is tightened or loosened, the pulley is subject to greater pressure and friction. After a period of use, the center hole of the pulley deforms and becomes larger, and then it is easy to break away from the rivet, resulting in the failure of the car door window regulator. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a method and structure for improving the reliability of an automobile door window regulator. [0004] In order ...
Claims
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IPC IPC(8): E05F11/48E05F15/689
CPCE05F11/483
Inventor余增国
Owner漳州国全工业有限公司