Small three-stage speed change device for toy car

• Main Author: FANG QINGSONG
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a small three-stage speed change device for a toy car, and relates to a small speed change device for a toy car. The utility model aims to solve the problems that an internal gear structure of an existing transmission with a fixed transmission ratio is loose, the phenomenon of tooth disengagement is easily generated in the speed changing process, two stages of gears cannot be meshed, the transmission efficiency is poor, and the transmission fails. The device comprises a shell, a motor assembly, a three-stage driving gear assembly and a three-stage driven gear assembly, the third-stage driving gear assembly and the third-stage driven gear assembly are installed in the shell side by side, the motor assembly is installed on the shell, and the motor assembly is connected with the third-stage driving gear assembly. The utility model belongs to the technical field of toy car gearboxes. 一种玩具车用小型三级变速装置，它涉及一种玩具车用小型变速装置。本实用新型为了解决现有的固定传动比变速器内部齿轮结构松散，在变速过程中容易产生脱齿现象，两级齿轮之间无法啮合，以及传动效率差，导致变速器失效的问