Universal joint structure and its application to automotive drive shafts
By designing an openable dust cover structure and a locking buckle structure, the problem of difficult dust cover replacement for universal joints has been solved, achieving quick replacement and efficient sealing, thus improving the dustproof effect of the universal joint.
CN122447428APending Publication Date: 2026-07-24HANGZHOU NEW CENTURY UNIVERSAL JOINT
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HANGZHOU NEW CENTURY UNIVERSAL JOINT
- Filing Date
- 2026-06-25
- Publication Date
- 2026-07-24
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Figure CN122447428A_ABST
Abstract
The application relates to the field of transmission structures, and particularly discloses a universal joint structure and application thereof to an automobile transmission shaft, wherein the universal joint structure comprises a cross shaft body, four shaft heads are arranged at intervals in the circumferential direction of the cross shaft body, the end of the shaft head is connected with the junction of the cross shaft body to form a shaft neck, a shaft sleeve is rotatably arranged on the shaft head, the end of the shaft sleeve facing the shaft neck is an open end, a needle roller assembly is arranged between the shaft sleeve and the shaft head, a dust cover comprises a first end and a second end, the first end and the second end are separated when the dust cover is in an uninstalled state, the first end and the second end are connected when the dust cover is in an installed state, the dust cover is arranged around the shaft neck, and the open end of the shaft sleeve is sealed. The dust cover has the effect of reducing the difficulty of replacement.
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