A double oval gear pair transmission structure
A technology of double ellipse and gear pair, which is applied in the direction of belt/chain/gear, transmission device, transmission device parts, etc., and can solve the problems that the transmission belt is easily damaged and cannot bear the load
Active Publication Date: 2020-05-08
平庆路
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Problems solved by technology
[0003] In the existing gearboxes, the CVT is the one with the smoothest gear shifting, but the CVT technology also has its weaknesses, such as the transmission belt is easily damaged, it cannot withstand large loads, etc. These technical difficulties have made it more Applied to cars with small displacement and low power
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[0014] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection / connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the present invention can be combined interactively on the premise of not confli...
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The invention discloses a double-elliptical-gear auxiliary gearbox structure. The double-elliptical-gear auxiliary gearbox structure comprises a driving chain wheel pair, a driven chain wheel pair anda chain. At least one of the driving chain wheel pair and the driven chain wheel pair is a double-elliptical-gear adjustable diameter structure. The double-elliptical-gear adjustable diameter structure comprises a driving disk. Variable diameter chain wheel pairs are arranged on the driving disk. Each variable diameter chain wheel pair comprises a gear clutch shaft, a positioning gear, a shiftedgear, a variable diameter shaft and a variable diameter chain wheel, wherein the gear clutch shaft is eccentrically connected with the positioning gear; the positioning gear is engaged with the shifted gear; as the positioning gear is engaged with the shifted gear, the positioning gear rotates to make an outermost tooth of the positioning gear and an outermost chain wheel tooth of the variable diameter chain wheel get close to the axis of the driving disk, and the effective outer diameter of the driving chain wheel pair or the driven chain wheel pair is reduced; accordingly, the functions of gear shifting and speed adjusting are achieved. By adopting the chain wheel and chain connected structure, the double-elliptical-gear auxiliary gearbox structure can bear a large load, prevent the phenomenon of slipping and is used for gear shifting and speed adjusting of an automobile.
Description
technical field [0001] The invention relates to the field of automobiles, in particular to a double oval gear auxiliary transmission structure. Background technique [0002] The gearbox mainly refers to the gearbox of the car, which is divided into manual and automatic. The manual gearbox is mainly composed of gears and shafts, and the variable speed and torque are generated through different gear combinations; It is composed of torque converter, planetary gear, hydraulic pitch change system and hydraulic control system. Variable speed and torque are achieved through hydraulic transmission and gear combination. [0003] In the existing gearboxes, the CVT is the one with the smoothest gear shifting, but the CVT technology also has its weaknesses, such as the transmission belt is easily damaged, it cannot withstand large loads, etc. These technical difficulties have made it more Applied to cars with small displacement and low power. Contents of the invention [0004] The ...
Claims
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IPC IPC(8): F16H37/02F16H57/023
CPCF16H37/02F16H57/023
Inventor 黄丽贤
Owner 平庆路