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Planetary differential structure of electronically-controlled transfer case

A transfer case and planetary technology, applied in the field of auto parts, can solve the problems of high resistance and difficulty in shifting, and achieve the effect of simple shifting, good market application value, and low resistance

Active Publication Date: 2015-04-29
DONGFENG MOTOR CORP HUBEI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the transfer case is shifted and locked, in addition to the axial shift force, the shift fork sleeve also needs to transmit torque to the planetary carrier, resulting in greater resistance to the shift operation and more difficult shifting

Method used

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  • Planetary differential structure of electronically-controlled transfer case
  • Planetary differential structure of electronically-controlled transfer case
  • Planetary differential structure of electronically-controlled transfer case

Examples

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0020] Such as figure 1 - The planetary differential structure of the electronically controlled transfer case shown in 3, including the drive shaft sleeve 200 sleeved on the drive shaft of the rear axle, and the differential lock shift fork sleeve 201 sleeved on the drive shaft sleeve 200 and the differential case 202; the spline connection between the drive shaft sleeve 200 and the differential lock shift fork sleeve 201; The sun gear 204 and the rear sun gear 205, the rear sun gear 205 is sheathed in the rear portion of the front sun gear 204, the rear portion of the rear sun gear 205 is provided with transmission gear teeth 213 meshed with the sprocket, the rear portion of the front sun gear 204 The circle is provided with an inner spline that cooperates with the outer spline of the rear axle drive shaft, and the planetary differential struc...

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PUM

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Abstract

The invention discloses a planetary differential structure of an electronically-controlled transfer case. The planetary differential structure comprises a differential lock sliding gear sleeve sleeving a drive shaft sleeve, an external spline is arranged on the rear external circle of the differential lock sliding gear sleeve, an internal spline matched with the external spline of the differential lock sliding gear sleeve is arranged on the middle internal circle of a front sun gear, snap teeth are arranged on the circumference of the differential lock sliding gear sleeve which is in splined connection with the drive shaft sleeve, a differential shell is in splined connection with the drive shaft sleeve, and the snap teeth pass through the differential shell to be matched with a differential lock shifting fork sleeve fixedly. The planetary differential structure has the advantages that gear-shifting locking of a differential is achieved through a sliding gear sleeve structure, the drive shaft sleeve transmits torque to a planetary carrier, the sliding gear sleeve does not transmit main torque when the differential is in the differential non-lock state, and only plays a role in gear shift during gear shifting of the differential, and accordingly, gear shifting is simple, resistance is small, and both structural stability and operating stability of the differential are guaranteed.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a planetary differential structure of an electronically controlled transfer case. Background technique [0002] With the development of the automobile market, people's requirements for off-road driving are becoming more and more common, and there are more and more multi-axle drive vehicles. Multi-axle drive vehicles rely on a transfer case to distribute the power output from the transmission to each drive axle. When the transfer case is shifted and locked, in addition to the axial shift force, the shift fork sleeve also needs to transmit torque to the planet carrier, resulting in greater resistance to the shift operation and more difficult shifting. Contents of the invention [0003] The present invention aims at the above-mentioned technical problems and provides a planetary differential structure of an electronically controlled transfer case, which can well solve the abov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H48/11F16H48/24F16H48/40
CPCF16H48/11F16H48/24F16H48/40
Inventor 蔡未末刘志柱王鼎龙王涛
Owner DONGFENG MOTOR CORP HUBEI
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