Gear reversing locking device of automobile transmission

Abstract

The invention relates to a gear reversing locking device of an automobile transmission. The gear reversing locking device comprises a fixed block (1) fixed relative to a transmission casing, a gear reversing locking block (2) rotatably arranged on the fixed block (1), a resetting device and an interlocking shifting block (5) with a shifting head (4). The gear reversing locking block (2) is provided with a combination portion (6) located in a rotating area of the shifting head (4) formed with rotating of a gear shifting shaft (3). The gear reversing locking block (2) is in the shape of V formed by fixedly connecting a first locking arm (21) and a second locking arm (22), and the combination portion (6) is arranged on the first locking arm (21) or the second locking arm (22). The resetting device includes a first elastic device (71) and a second elastic device (72) for pushing the first locking arm (21) and the second locking arm (22) in elastic abutting mode. By means of the structure, the gear reversing locking device reduces requirements of the resetting device for manufacture and assembly accuracy, achieves identity of reciprocating gear selection force and effectively improves gear shifting quality.

Description

technical field [0001] The invention relates to a structure for preventing wrong shifting of a manual transmission, in particular to a vehicle transmission reverse gear locking device. Background technique [0002] At present, with the continuous maturity and development of transmission technology, the requirements for various performances of the transmission are getting higher and higher. In the existing manual transmission structure, the fifth gear and the reverse gear are symmetrically arranged on the same straight line. The same shift fork shaft realizes the selection of the fifth gear and the reverse gear. Therefore, when the fifth gear is running at a high speed, when the gear is removed, the shift handle may move too far and be engaged in the reverse gear. Misoperation may cause the vehicle to lose control or The transmission gear is damaged due to a huge impact, which seriously threatens the personal safety of the driver and the service life of the transmission itsel...

AI Technical Summary

Problems solved by technology

However, with the above structure, the torsion spring is compressed during the selection process of the reverse gear lock, and the selection force is relatively large. The torsion spring does not work when the gear is returned, and the selection force is small, resulting in inconsistent reciprocation of the selection force, which cannot meet the design requirements throughout the process. In addition, the torsion spring structure is an asymmetric structure, and there is a direction requirement during assembly, which is prone to wrong and missing assembly in mass production; in addition, there is more friction between the shifting block and the reverse block during the shifting process, which affects the shifting process. Blocking force and parts life

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