Speed reducer with automatic oil changing function

By setting up automatic oil change components on the reducer, automatic replacement of lubricant and impurity filtration are achieved, which solves the problem that existing reducers need to frequently manually replace lubricant oil, improves service life and ensures operational safety.

CN222668858UActive Publication Date: 2025-03-25ZHEJIANG ZUOXIN TRANSMISSION TECH CO LTD
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Patent Information

Application Number
CN202420933586.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-25
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing reducer needs to frequently replace lubricant during use, and the replacement process is cumbersome, which affects the service life.

Method used

A reducer with automatic oil change is designed. By setting up an oil change assembly on the reducer body, including an oil inlet pipe, an oil outlet pipe, an oil storage tank, a waste oil tank, an oil hole, an oil pumping pipe, a leakage hole and a filter screen, the automatic replacement of lubricating oil and impurity filtration are achieved.

Benefits of technology

It realizes automatic and rapid replacement of lubricant, saves time and effort, improves the service life of the internal shaft and gear of the reducer, and cools down through the cooling water pipe, ensuring the safety of operation.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model belongs to the technical field of speed reducers, and particularly relates to a speed reducer with an automatic oil changing function, which comprises a machine body assembly and an oil changing assembly. The machine body assembly comprises a speed reducer body, an input shaft and an output shaft, wherein the input shaft and the output shaft are arranged on the speed reducer body. The oil changing assembly is arranged on the speed reducer body and comprises an oil inlet pipe, an oil outlet pipe, an oil storage tank and a waste oil tank, wherein the oil inlet pipe and the oil outlet pipe are fixed in the speed reducer body and located on the upper side and the lower side of the output shaft, and the oil storage tank and the waste oil tank are connected to the oil inlet pipe and the oil outlet pipe respectively and installed outside the speed reducer body. By means of the oil changing assembly, when lubricating oil is replaced, the oil pumping pipe on the waste oil tank is used for pumping the lubricating oil from the bottom, then new lubricating oil enters the oil inlet pipe from the oil storage tank and then is discharged from the oil hole, and meanwhile impurities generated in the using process of the lubricating oil can be filtered by the filter screen, enter the oil outlet pipe from the leakage hole and then are discharged. Automatic rapid replacement is achieved, and the service life of the inner shaft and the gear of the speed reducer is prolonged.
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