Differential bearing cap with guide structure

By designing the guide structure and lubrication system on the differential bearing cover, the traditional bearing cover has been solved, and the problems of heavy weight, inconvenient maintenance and cumbersome lubricant filling are achieved, achieving higher stability, lightweight and lubrication efficiency.

CN222687242UActive Publication Date: 2025-03-28HUBEI CHENGHUI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420671524.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-28
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The bearing cover of traditional differentials has large mass, inconvenient disassembly and maintenance, and the lubricant filling process is complicated, which can easily lead to uneven application or oxidation, affecting the lubricating effect.

Method used

A differential bearing cover with a guide structure is designed, with a direct cast positioning pin shaft and a flexible pin fixing structure to reduce weight and facilitate disassembly. At the same time, by providing lubricating grooves and injection slots in the cover body, automatic injection and sealing of lubricating oil is achieved.

Benefits of technology

The stability and lightweight of the bearing cover are achieved, while simplifying the lubricant filling process, improving the working efficiency and lubrication effect of the bearing, reducing production costs and maintenance difficulties.

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Abstract

The utility model relates to a differential bearing cap with a guide structure, which belongs to the technical field of bearing caps and comprises a cap body, bolt ports arranged on two sides of the cap body, a fixing component arranged inside the cap body and a lubricating component arranged at the top of the cap body. The fixing part comprises a cavity formed in the cover body, a positioning plate fixedly installed on the side wall of the cavity, a positioning spring fixedly installed on the side face of the positioning plate, a connecting plate fixedly installed on the side face of the positioning spring and a clamping rod fixedly installed on the side face of the connecting plate. According to the differential bearing cover with the guide structure, when a fixing pin is inserted into a plug pin opening to install the bearing cover, a positioning spring bidirectionally extrudes a positioning plate and a connecting plate, and the positioning plate is limited by the inner wall of a cavity, so that the positioning spring pushes the connecting plate to transversely insert a clamping rod into the fixing pin; and through the arrangement of the cavity, the protection effect of the bearing cover is guaranteed, and meanwhile the weight of the bearing cover is reduced to the maximum degree.
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