Toothed belt type spring piece buffering gear lifter

Abstract

The invention discloses a toothed belt type spring piece buffering gear lifter. The toothed belt type spring piece buffering gear lifter comprises a driving mechanism and a lifter bracket and is characterized in that a transmission belt driven gear and a transmission belt driving gear are respectively arranged at the upper end and the lower end of a strip-shaped lifter bracket and are in transmission connection with each other through a toothed belt; a sliding block used for mounting car window glass is fixed on the toothed belt; a sliding slot of the sliding block is clamped to a sliding rail of the lifter bracket; a transmission belt driving gear shaft is connected to the driving mechanism. The toothed belt type spring piece buffering gear lifter has the beneficial effects that a contact area between a lifter transmission belt and a transmission wheel is large, stressed points are dispersed, the defects of small contact area between a steel wire rope and a transmission wheel of a rope wheel type car window lifter, intensive stressed points and serious abrasion can be avoided, the occurrence rate of the fault of the lifter in the using process is reduced, the driving gear is a buffering gear, the gear is protected, and the service life of the lifter is prolonged.

Description

Technical field [0001] The invention relates to an automobile window lifter, especially a belt drive lifter. Background technique [0002] At present, the transmission of the rope pulley type automotive window regulators on the market is driven by wire ropes. Due to the small contact area between the wire rope and the transmission wheel, the force point is concentrated, the wear of the wire rope and the transmission wheel is relatively large, and it is easy to cause wire breakage during use. Stuck failure; in addition, the drive gear of the lifter does not have a buffer device. When encountering obstacles or suddenly stopping during the window lift process, the drive gear bears a large impact force, which can easily lead to gear damage. The above reasons will lead to vehicle failure. The failure rate of the window regulator increases and the service life is shortened. Contents of the invention [0003] In order to overcome the defects of the existing automobile window lif...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of the existing automobile window lifter, the present invention provides a toothed belt type shrapnel buffer gear lifter. Due to the large contact area between the transmission belt and the transmission gear, the force points are scattered, which avoids the problem of the windshield of the rope wheel type automobile window. The contact area between the wire rope of the lifter and the transmission wheel is small, and the force points are concentrated; the drive gear is a buffer gear, which can make the drive gear have a gentle transition process to the impact force when the window is raised or lowered or suddenly stopped. , to protect the gear, prolong the service life of the gear, and reduce the failure rate of the window lifter

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