Transmission shaft, transmission mechanism, power device and vehicle

By setting multiple installation positions and limit positions on the transmission shaft and fixing the transmission wheel with the card slot and limiting parts, the problem of the inability to adjust the number of transmission wheels on the transmission shaft is solved, and the universality and installation stability of the transmission shaft are improved.

CN222351356UActive Publication Date: 2025-01-14BYD CO LTD
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Patent Information

Application Number
CN202420130818.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-18
Publication Date
2025-01-14
Estimated Expiration
2034-01-18

AI Technical Summary

Technical Problem

The number of transmission wheels that can be installed on the transmission shaft cannot be adjusted, resulting in poor versatility.

Method used

A transmission shaft is designed with a plurality of mounting positions and restriction positions arranged in the axial direction, and the mounting positions are located between two adjacent restriction positions. The restriction position is used to restrict the axial movement of the transmission wheel and pass through the slot and The limiting parts realize the stable installation of the transmission wheel.

Benefits of technology

It realizes flexible installation of the transmission wheel on the transmission shaft, improves the versatility of the transmission shaft, adapts to the needs of different versions of vehicles, and reduces development and after-sales costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transmission shaft, a transmission mechanism, a power device and a vehicle, the outer wall of the transmission shaft comprises at least two mounting positions arranged in the axial direction of the transmission shaft, the mounting positions are used for mounting transmission wheels, the outer wall of the transmission shaft comprises at least three limiting positions arranged in the axial direction of the transmission shaft, and each mounting position is located between every two adjacent limiting positions; the limiting positions are used for limiting the axial movement of the transmission wheels, at least one limiting position is constructed to be a clamping groove allowing the limiting piece to be clamped in, and the limiting piece is used for abutting against the adjacent transmission wheel. According to the transmission shaft, the multiple installation positions and the multiple limiting positions are arranged on the transmission shaft, each installation position is arranged between every two adjacent limiting positions so that the transmission wheels can be limited to the installation positions of the transmission shaft, at least one limiting position is constructed to be a clamping groove allowing a limiting piece to be clamped in, and the limiting piece is used for abutting against the adjacent transmission wheels; therefore, one or more transmission wheels can be adaptively mounted, and the universality of the transmission shaft is improved.
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