Tensioning and buffering unit used for traction mechanism transmission device

A technology of buffer unit and traction mechanism, which is applied to transmissions, machines/engines, mechanical equipment, etc., can solve the problem that the buffer characteristics cannot be adjusted accurately, and achieve the effect of compact structure, less assembly cost, and space saving.
CN102748129AActive Publication Date: 2012-10-24SCHAEFFLER TECH AG & CO KG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SCHAEFFLER TECH AG & CO KG
Publication Date
2012-10-24

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Abstract

The present invention relates to a tensioning and buffering unit (2) used for a traction mechanism transmission device, comprising: a housing (8) used for being arranged in a way of resisting relative rotation with respect to a combustion engine, and containing fluid; and a cover piece (7) used for being arranged in a way of resisting relative rotation with respect to a tensioning rail (1), wherein, the cover piece (7) has a protruded part (22), the protruded part extends into the housing (8) and combines with a separation wall (21) which is fixedly connected with the housing (8) to divide an inner part (20) of the housing (8) into a high pressure cavity (23) and a reserve cavity (24). Alternatively, the housing is arranged in a way of resisting relative rotation with respect to the tensioning rail, and the cover piece is arranged in a way of resisting relative rotation with respect to the combustion engine. The present invention also relates to a traction mechanism transmission device of an automobile combustion engine, such as a chain transmission device or a belt transmission device, wherein, the traction mechanism transmission device has the tensioning rail (1) having the tensioning and buffering unit (2) which is arranged in the tensioning rail (1).
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Description

technical field

[0001] The invention relates to a tensioning and damping unit for a traction mechanism transmission of an internal combustion engine, the tensioning and damping unit having: a housing designed for mounting in a rotationally fixed manner relative to an internal combustion engine and for receiving a fluid; and a cover part, the cover part is designed to be mounted in a rotationally fixed manner relative to the tensioning rail. It is also possible for the housing to be mounted in a rotationally fixed manner relative to the tensioning rail, and for the cover to be mounted in a rotationally fixed manner relative to the internal combustion engine. Furthermore, tensioning and damping units are also referred to as tensioner and damper units. Background technique

[0002] Such tensioning and damping units are used in motor vehicles, such as passenger cars (Pkw) or trucks (Lkw), but can also be used in traction gear drives of other land, air or water-related vehicles....

Claims

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