Gear ring, speed reducer, driving assembly and vehicle

By setting joints on the inner ring or axial end surface of the ring gear, the problem of difficulty in locking the ring gear or coupling with other components is solved, and the effective locking and shifting performance of the ring gear is improved.

CN222650502UActive Publication Date: 2025-03-21BYD CO LTD
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Patent Information

Application Number
CN202420241185.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-30
Publication Date
2025-03-21
Estimated Expiration
2034-01-30

AI Technical Summary

Technical Problem

In the reducer, the gear rings with bonded teeth are arranged on both sides of the inner and outer sides are difficult to lock or coupled with other components, resulting in difficulty in shifting.

Method used

A joint is provided on the inner ring or axial end surface of the ring gear, and external mechanisms such as clutch, synchronizer, brake, etc. can be combined with the joint to achieve locking of the ring gear or coupling with other components.

Benefits of technology

By setting up a joint part, the problem of difficulty in locking or coupling of the ring gear is solved, effective locking of the ring gear and stable coupling with other components are achieved, and the gear shifting performance of the reducer is improved.

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Abstract

The gear ring comprises a body, the body is provided with an inner ring and an outer ring, the inner ring is provided with first combination teeth, and the outer ring is provided with second combination teeth; the body comprises a combination part which is suitable for being combined with an external mechanism; the combination part is arranged on the inner ring, and the first combination teeth are sequentially arranged in the axial direction; or the combination part is arranged on the axial end face of the body. According to the gear ring, the combination part is arranged on the inner ring of the gear ring or the axial end face of the gear ring, and external mechanisms such as a clutch, a synchronizer and a brake can be combined with the combination part, so that locking of the gear ring or coupling of the gear ring and other components is achieved.
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