Double-clutch transmission with long idler shaft

A dual-clutch, idler shaft technology, applied to vehicle gearboxes, geared components, gear transmissions, etc., can solve the problems of difficulty in increasing the ratio of teeth, low economy and power, and high engine efficiency loss. Achieve the effects of increased balance, convenient design of the number of teeth, and small loss of efficiency

Pending Publication Date: 2014-02-05
GIF RES CENT CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the prior art, as mentioned in CN1621715, a known dual-clutch gearbox is designed for six forward gears, and adopts a short idler shaft and three sets of duplex mechanisms. The design influence of the short idler shaft Balanced, uneven layout, and overall unevenness; compared with seven forward gears, the design of six forward gears is less economical and dynamic, and the loss of engine efficiency is high; three sets of double-link mechanisms increase the difficulty of gear ratio, Difficult to achieve the requirements of the vehicle speed ratio

Method used

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  • Double-clutch transmission with long idler shaft

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Embodiment Construction

[0031] The present invention provides a dual clutch gearbox with a long idler shaft, such as figure 1 As shown, a dual-clutch gearbox with a long idler shaft includes: a first clutch 1, a second clutch 2 arranged in a clutch housing, and a first output shaft 30 and a second clutch protruding from the gearbox housing. Two output shafts 40.

[0032] The first clutch 1 is connected with the first input shaft 10, the second clutch 2 is connected with the second input shaft 20 and the second input shaft 20 is sleeved on the first input shaft 10, and the output shaft is parallel to the input shaft and located on both sides of the input shaft. side. The first clutch 1 and the second clutch 2 selectively transmit engine torque to the first output shaft 10 and the second output shaft 20 .

[0033] A dual-clutch transmission with a long idler shaft has seven forward gears and one reverse. The design of the seven-speed gearbox structure makes the engine have better economy and power, ...

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Abstract

The invention discloses a double-clutch transmission with a long idler shaft. Particularly, the double-clutch transmission comprises seven forward gears, a reverse gear, four synchronizers and the long idler shaft, each synchronizer is selectively connected with two gears, and a driving gear of each gear in the transmission is an independent gear. The double-clutch transmission has the advantages that by the design of the transmission structure with the seven forward gears, an engine has better economical efficiency and power performance; the seven forward gears and the reverse gear are more reasonable in arrangement and convenient to assemble; each synchronizer is effective on the two gears simultaneously, so that the synchronizers are fully utilized; all the driving gears are the independent gears, so that tooth number design is facilitated, and convenience is brought to speed ratio matching; by the long idler shaft structure, balance of the internal structure of the transmission is improved, integral arrangement is smoother, and a shell of the transmission is regular.

Description

technical field [0001] The invention relates to a dual-clutch gearbox, in particular to a dual-clutch gearbox with seven forward gears and a long idler shaft. Background technique [0002] The concept of dual clutch transmission (DCT) has a history of sixty or seventy years. As early as 1939, Germany's Kegresse.A was the first to apply for a patent for a dual-clutch transmission, and proposed the design concept of dividing the manual transmission into two parts. One part transmits odd-numbered gears, and the other part transmits even-numbered gears. A clutch connects the two input shafts, and the driven gears of adjacent gears mesh with the gears of the two input shafts. Cooperating with the control of the two clutches, the transmission ratio can be converted without cutting off the power, thereby shortening the shifting time and effectively improving the gear ratio. Shift quality. [0003] China's auto market will undergo significant changes in the next few years: regulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/12F16H3/087F16H57/023
CPCF16H3/085F16H3/087F16H3/12F16H57/023F16H2057/0235F16H2200/0056F16H2200/0082
Inventor 秦相李修蓬其他发明人请求不公开姓名
Owner GIF RES CENT CHINA
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