Air Vent Shifting Piece Buckle Structure With Rotation Limiting
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Solution Overview
Problem
Automobile air conditioner wind direction adjusting shifting pieces become brittle and prone to breakage due to alternating cold and hot air exposure, and their complex installation mode makes replacement difficult.
Innovation Solution
The design features an integrally-formed shifting piece body with an upper and lower shell, convex lugs, shaft holes, positioning grooves, and clamping parts, allowing for simpler mounting and dismounting of air conditioner blades and limiting the rotating range of the shifting fork, thus enhancing durability and ease of replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the shifting piece body is made as a separate component with fixing pieces, then the air conditioner blades can be securely fixed, but the installation and replacement process becomes complex and difficult
Solution Approach 1:
The patent integrates the shifting piece body and the fixing pieces into a single integrated component. The fixing pieces are directly formed on the shifting piece body, eliminating the need for separate assembly steps. This merging of components maintains secure fixing functionality while dramatically simplifying the installation and replacement process, as the entire assembly becomes a single unit that can be installed or replaced as one piece.
2Stability of the object's composition
If multiple fixing pieces and separate components are used, then the structural stability is improved, but the number of parts increases making the structure more complex
Solution Approach 1:
The patent combines multiple separate components (shifting piece body and fixing pieces) into a single integrated structure. The fixing pieces are directly formed on the shifting piece body, reducing the total number of parts while maintaining structural stability. This integration simplifies the overall structure by eliminating the need for multiple separate components and their associated assembly relationships.
3Adaptability or versatility
If the shifting fork can rotate freely, then the air outlet direction can be adjusted more flexibly, but the rotating angle becomes uncontrolled leading to potential damage
Solution Approach 1:
The patent incorporates a limiting structure that pre-establishes the maximum rotation angle of the shifting fork. This limiting structure is built into the design, preventing the shifting fork from rotating beyond a safe angle before any damage can occur. The limitation is established in advance through the structural design, ensuring both flexibility within safe limits and protection against excessive rotation.
Data Source
Figure 1~2
Figure 3~4
AI summary
An automobile air conditioner blowing adjusting shifting piece buckle structure comprising a shifting piece body (1) having an upper shell (2) and a lower shell (3) which are of an integrally-formed structure, wherein the upper shell (2) extends downwards to form a connecting piece being provided with convex lugs (21) in which shaft holes (22) are formed , the shaft holes (22) are connected with a shaft pin (41) of a shifting fork (4), positioning grooves (23) are formed in the peripheries of the shaft holes (22) , and the shaft pin (41) is provided with positioning pieces (42) being arranged in the positioning grooves (23), an open groove cavity (11) is formed in the upper shell (2) , an opening is formed in the top of the upper shell (2) , and an automobile air conditioner blade is clamped into the open groove cavity (11) from the opening in the top of the upper shell (2) and fixed into the open groove cavity (11) through clamping parts (31) arranged on the upper shell (2) and the lower shell (3) .