Motorcycle Exhaust Side Cover Lateral Insertion Bracket
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Solution Overview
Problem
The existing exhaust pipe side covering installation process for motorcycles is cumbersome and difficult to assemble due to the need for vertical or longitudinal sliding and complex alignment of screw insertion holes with threaded holes, which complicates the workability and positioning.
Innovation Solution
An exhaust pipe side covering design featuring a projecting piece with a plug-in hole and threaded hole configuration, where the projecting piece is elongated perpendicular to its direction, allowing easy engagement with the bracket without sliding, and a grommet for vibration insulation and secure attachment, facilitating alignment and assembly from the outer side.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the exhaust pipe side covering is engaged with the bracket by sliding in the vertical or longitudinal direction, then the pawl can be engaged with the bracket, but the workability is poor and the positioning work to align the screw insertion hole with the threaded hole is complicated
Solution Approach 1:
The patent changes the engagement direction from vertical/longitudinal sliding to lateral insertion. The inserting hole and inserting piece are positioned laterally, allowing the exhaust pipe side covering to be engaged with the bracket by simple lateral insertion without complex sliding operations, thereby improving workability while maintaining engagement reliability
Solution Approach 2:
The screw insertion hole is pre-positioned adjacent to the inserting hole, and the inserting piece is pre-formed with an elongated section perpendicular to the inserting direction. This preliminary configuration ensures that when lateral insertion is performed, the screw insertion hole automatically aligns with the threaded hole, eliminating the need for complex positioning work
2Stability of the object's composition
If the exhaust pipe side covering is engaged by sliding to allow pawl engagement, then the covering can be fixed to the bracket, but the alignment of screw insertion hole with threaded hole requires complicated positioning work
Solution Approach 1:
The inserting piece has an asymmetric elongated shape in the direction perpendicular to the inserting direction. This asymmetric design ensures that when the inserting piece is inserted laterally into the bracket, it automatically orients the exhaust pipe side covering in the correct position, making the screw insertion hole align with the threaded hole without requiring complex positioning operations
Solution Approach 2:
The structural design allows the inserting piece itself to perform the positioning function. The elongated shape of the inserting piece in the perpendicular direction automatically guides the alignment when inserted, enabling the system to self-position without requiring additional positioning mechanisms or complex operational steps
Data Source
AI summary
An exhaust pipe side covering has a rear portion supported by a muffler or an exhaust pipe of an exhaust device and also has a front portion supported by a motorcycle body through a bracket, thereby covering the exhaust pipe from outside. A projecting piece projecting inwardly of a motorcycle widthwise direction is formed in an inner side surface of a front portion of a main body of the exhaust pipe side covering and a screw insertion hole is formed in the vicinity of a projecting piece in the main body. The bracket is formed with a plug-in hole, with which the projecting piece is engaged by plugging in, and a threaded hole. A mounting screw member is engaged in the threaded hole through the screw insertion hole. The section of the projecting piece transverse to a projecting direction thereof is of an elongated shape.