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Transmission synchronizer

A synchronization device and transmission technology, which is applied in the field of automobile transmission, can solve the problems of many components of the synchronizer, the increase of the manufacturing cost of the synchronizer, the limitation of the performance of the synchronizer, etc., and achieve the effect of fewer components, less heat treatment deformation and simple structure

Active Publication Date: 2014-07-02
天津天海同步科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, lock-ring synchronizers are mostly used in domestic and foreign automobile transmissions. From single-cone synchronizers to double-cone synchronizers and multi-cone synchronizers, the synchronizers have many components and complex structures. cost increases
At the same time, due to the limitations of the transmission structure and space, there are certain restrictions on the improvement of the performance of the synchronizer.

Method used

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Embodiment Construction

[0034] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, the transmission synchronization device created by the present invention includes a gear sleeve 1, a gear hub 2, an outer cone ring 3, a combined ring gear 4 and a spring 5.

[0036] The inner spline 12 is arranged in the middle of the inner surface of the tooth sleeve 1 in the circumferential direction, and the friction cone surface 1a is arranged in the circumferential direction on both sides of the inner spline 12, and the inner spline is higher than the friction cone surface 1a, so that the diameter of the friction cone surface can be made larger , so that a larger torque can be generated during the friction process. The friction cone surface 1a near the inner spline side is higher than the gear sleeve 1 port side.

[0037] The outer surface of the gear hub 2 is provided with external splines, and the gear sle...

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Abstract

The invention provides a transmission synchronizer which comprises a gear sleeve, a gear hub, an outer conic ring, a combination gear ring and a spring. An inner spline and a friction conic face are arranged on the inner side face of the gear sleeve in the circumferential direction. An outer spline is arranged on the outer side face of the gear hub. The gear sleeve is arranged on the outer circumference of the gear hub in a sleeved mode through the splines. The outer side face of the outer conic ring is an outer conic face and protruding keys are evenly distributed on the inner side of the outer conic ring in the circumferential direction. Each protruding key is provided with a through groove and a protruding key locking structure. The inner side face of the combination gear ring is an inner conic face, a groove is formed in the inner conic face, and end face key grooves matched with the protruding keys are evenly formed in the large end face of the combination gear ring in the circumferential direction. The spring is a C-type steel ring and used for connecting the outer conic ring and the combination gear ring. The transmission synchronizer is small in number of constitute elements, low in cost, simple in structure and convenient to operate.

Description

technical field [0001] The invention relates to a transmission synchronization device, which belongs to the technical field of automobile transmission. Background technique [0002] At present, lock-ring synchronizers are mostly used in domestic and foreign automobile transmissions. From single-cone synchronizers to double-cone synchronizers and multi-cone synchronizers, the synchronizers have many components and complex structures. The manufacture of synchronizers Costs increase accordingly. At the same time, due to the limitations of the transmission structure and space, there are certain restrictions on the performance improvement of the synchronizer. With the continuous improvement of the driver's requirements for shifting quality, the overall performance of the transmission needs to be continuously improved. As an important component of the transmission, the synchronizer's structure simplification and easy operation also need to be solved urgently. Contents of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D23/02
Inventor 梅刚
Owner 天津天海同步科技有限公司
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