An inner spherical differential for preventing side gear from falling

Abstract

The invention relates to an inner spherical differential capable of preventing half-axle gears from falling and overcomes the defect that the quality of the half-axle gears is affected by bumping caused by the fact that the half-axle gears can rotate freely around a planetary shaft in a planetary cavity of a differential casing and can fall out of the planetary cavity easily in the prior art. The differential comprises a differential casing, a planetary shaft arranged in the differential casing, two planetary gears and two half-axle gears; a planetary cavity with the spherical part for accommodating the planetary gears and the half-axle gears is formed in the differential casing; and stop parts for stopping the half-axle gears from rotating around the axis of the planetary shaft are arranged at the parts, close to the peripheries of the back surfaces of the half-axle gears, of the planetary cavity. The stop parts are arranged on the inner wall of the planetary cavity and stop the half-axle gears from rotating around the axis of a planetary hole, the half-axle gears are prevented from rotating around the planetary shaft and falling out of the planetary cavity, safe transportation is guaranteed, and meanwhile, other components are not used for limitation, so that materials are saved.

Description

Technical field [0001] The invention relates to a differential gear structure, in particular to an inner ball type differential that prevents a half shaft gear from falling. Background technique [0002] The differential is a mechanism that is installed to adjust the rotation speed difference of the left and right wheels to enable the left and right driving wheels to rotate at different rotation speeds. When the car is turning or driving on uneven roads, the left and right wheels are made to roll at different speeds, that is, to ensure the pure rolling motion of the driving wheels on both sides. The differential is mainly composed of left and right half shaft gears, two planet gears, planet shafts, planet pin shafts, washers and differential housing. [0003] The inner splines of the left and right half shaft gears are connected to the two output shafts, so when the differential is working, the left and right half shaft gears are always in rotation. Moreover, the existing differe...

AI Technical Summary

Problems solved by technology

[0005] The invention solves the defect in the prior art that the side gears can freely rotate around the planetary shaft in the planetary cavity of the differential case, and is easy to fall out of the planetary cavity, causing bumps to affect the quality of the side gears, and provides a method to prevent For the inner spherical differential with the shaft gear dropped, a stopper is set in the planetary cavity of the differential housing, which will prevent the side gear from rotating around the planetary shaft without affecting the assembly and normal operation of the side gear. The gear rotates around the planet axis and falls out of the planet cavity

[0006] The invention also solves the problems in the prior art that a plastic sleeve is inserted into the half-shaft hole to fix the half-shaft gear, which is prone to missing installation, and the problem that the half-shaft gear falls out and bumps during transportation, and provides a method to prevent the half-shaft gear from falling off For the falling inner spherical differential, the gear part is set in the planetary cavity of the differential housing, and the gear part will prevent the side gear from rotating around the planetary shaft to the position of the window of the differential case, so as to prevent the side gear from turning around the planetary shaft. The rotation falls out of the planetary cavity, no need to add plastic sleeves

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