一种减速机

By using a combination of solid alloy tempered steel output shaft and carbon steel output shaft in the reducer, combined with deep groove ball bearing limit support, the problem of insufficient stability of the hollow output shaft structure of the reducer is solved, and the effect of high stability and high torque resistance is achieved.

CN224515810UActive Publication Date: 2026-07-17ZHEJIANG JINGXING GEARED MOTOR
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG JINGXING GEARED MOTOR
Filing Date
2025-10-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The hollow output shaft structure of existing speed reducers results in insufficient stability, making them prone to vibration during operation and easily causing component damage.

Method used

A solid alloy tempered steel output shaft is used, with a carbon steel output shaft sleeved in the middle section, combined with a deep groove ball bearing for limiting support, to ensure the stability and torque resistance of the output shaft.

Benefits of technology

It improves the stability and torque resistance of the speed reducer, reduces bending deformation and vibration, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224515810U_ABST
    Figure CN224515810U_ABST
Patent Text Reader

Abstract

本实用新型公开一种减速机，包括箱体，箱体的内腔内设有输入轴、及被输入轴驱动而转动的合金调质钢输出轴，合金调质钢输出轴为实心结构，合金调质钢输出轴贯穿箱体，并通过深沟球轴承转动支撑于箱体两侧壁，合金调质钢输出轴的中段外套接有碳素钢输出轴。本实用新型中，合金调质钢输出轴作为减速机的输出轴，且采用实心结构，使减速机能够承受高扭矩和冲击载荷，减少弯曲变形；同时，通过在合金调质钢输出轴的中段外套接碳素钢输出轴，以吸收输出轴齿轮传动的振动，提高合金调质钢输出轴运行时的稳定性。
Need to check novelty before this filing date? Find Prior Art

Claims

1. A speed reducer comprising a casing (1), characterized in that, The inner cavity of the housing (1) is provided with an input shaft (10) and an alloy tempered steel output shaft (2) driven by the input shaft (10). The alloy tempered steel output shaft (2) is a solid structure. The alloy tempered steel output shaft (2) passes through the housing (1) and is rotatably supported on both sides of the housing (1) by a deep groove ball bearing (3). A carbon steel output shaft (4) is sleeved on the middle section of the alloy tempered steel output shaft (2).

2. The speed reducer according to claim 1, characterized by One end of the alloy quenched and tempered steel output shaft (2) is equipped with an output shaft gear (5). One end of the output shaft gear (5) abuts against and limits the first stepped surface (201) on the alloy quenched and tempered steel output shaft (2). The other end of the output shaft gear (5) abuts against and limits the carbon steel output shaft (4).

3. The speed reducer according to claim 1, wherein One set of deep groove ball bearings (3) is installed in the first mounting groove (101) on one side of the housing (1). The end face of the inner ring (301) of one set of deep groove ball bearings (3) presses against and limits the carbon steel output shaft (4). The end face of the outer ring (302) of one set of deep groove ball bearings (3) presses against and limits the bottom wall of the first mounting groove (101).

4. The speed reducer according to claim 3, characterized in that, The inner circumferential diameter of the first mounting groove (101) is smaller than the outer diameter of the outer ring (302) of one set of deep groove ball bearings (3) and larger than the inner diameter of the outer ring (302) of one set of deep groove ball bearings (3); the outer diameter of the carbon steel output shaft (4) is larger than the outer diameter of the inner ring (301) of one set of deep groove ball bearings (3) and smaller than the inner diameter of the outer ring (302).

5. The speed reducer according to claim 3, wherein Another set of deep groove ball bearings (3) is installed in the second mounting groove (102) on the other side of the housing (1). The end face of the inner ring (301) of the other set of deep groove ball bearings (3) presses against and limits the second stepped surface (202) on the alloy tempered steel output shaft (2). The end face of the outer ring (302) of the other set of deep groove ball bearings (3) presses against and limits the bottom wall of the second mounting groove (102).

6. The speed reducer according to claim 5, wherein The inner circumferential diameter of the second mounting groove (102) is smaller than the outer diameter of the outer ring (302) of another set of deep groove ball bearings (3) and larger than the inner diameter of the outer ring (302) of another set of deep groove ball bearings (3); the outer diameter of the second stepped surface (202) of the alloy tempered steel output shaft (2) is larger than the inner diameter of the inner ring (301) of another set of deep groove ball bearings (3) and smaller than the outer diameter of the inner ring (301).

7. The speed reducer according to claim 1, wherein The carbon steel is mounted on the alloy quenched and tempered steel output shaft (2) via a key (6).

8. The speed reducer according to claim 1, wherein One end of the input shaft (10) is connected to the transmission mechanism (7), and the transmission mechanism (7) drives the alloy tempered steel output shaft (2) to rotate. The transmission mechanism (7) is located inside the cavity of the housing (1).