Dustproof universal shaft

By using a protective cover and buffer mechanism connected by an insertion mechanism in the dust-proof universal shaft, the complex and time-consuming problems of disassembly and assembly in the prior art are solved, the effect of simplified installation and maintenance is achieved, and effective dust protection is provided.

CN222668667UActive Publication Date: 2025-03-25QINGDAO QINGSHAN XIN TRANSMISSION TECH CO LTD
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Patent Information

Application Number
CN202421676032.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-03-25
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing dust-proof universal shafts require the use of specific tools, such as screwdrivers, wrenches, etc. during the disassembly and assembly process, which increases the complexity of operation and tool dependence, and the fixing method is time-consuming, especially when disassembly and assembly is frequent.

Method used

The first and second protective covers connected by means of plugging mechanisms are stable connections through plug blocks, slots, extrusion grooves and extrusion springs, and provide sealing and cushioning with buffer springs and contact plates, simplifying installation and maintenance processes.

Benefits of technology

It enables easy removal and installation of protective covers without specific tools, simplifies operational processes, saves time and labor, and provides comprehensive dust protection and extends the service life of the universal shaft.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a dustproof cardan shaft which comprises a shaft head and a shaft tube, a first protective cover and a second protective cover are arranged outside the shaft tube, the first protective cover and the second protective cover are connected through an inserting mechanism, grooves are formed in the first protective cover and the second protective cover, and the first protective cover and the second protective cover are arranged in the grooves. And a contact plate is arranged in the groove through a buffer mechanism. The first protective cover and the second protective cover are arranged to form a complete protective cover, external substances such as dust, sandy soil and water are effectively prevented from entering the shaft tube, damage to the cardan shaft is reduced, the service life of the cardan shaft is prolonged, and the performance of the cardan shaft is improved. The first protection cover and the second protection cover are connected through the insertion mechanism, can be relatively easily arranged on the shaft tube in a sleeving mode and can be conveniently detached when maintenance or replacement is needed, the installation and maintenance process is simplified, and time and labor force are saved.
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