Tire Changer Vertical Tool Slide for Compact Wheel Service
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Solution Overview
Problem
Existing tire changers require a large footprint and have poor efficiency due to the tool bearing device hindering tire mounting and removal processes, and the need for frequent re-adjustment of tool positions.
Innovation Solution
A tire changer with a tool bearing device that moves vertically on a slider driven by a first driving device, utilizing a positioning mechanism to maintain tool position consistency, reducing the need for re-adjustment and minimizing space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the tool bearing device is hinged with the supporting column to swing horizontally away from the wheel holder, then the hindrance to tire mounting/removal is eliminated, but the footprint of the tire changer increases
Solution Approach 1:
The patent changes the movement dimension of the tool bearing device from horizontal swinging to vertical sliding. The slider moves along the vertical direction of the supporting column, allowing the tool bearing device to move away from the wheel holder in the vertical dimension rather than requiring horizontal space. This resolves the contradiction by eliminating hindrance through vertical movement while maintaining a compact horizontal footprint.
2Ease of operation
If the supporting column and base adopt a hinged structure for rear inclination, then the tool bearing device can be moved away from the wheel holder, but the footprint of the tire changer increases
Solution Approach 1:
Instead of using rear inclination of the supporting column (which requires rear space), the patent employs vertical sliding of the tool bearing device along the supporting column. This vertical movement achieves the same positioning function without requiring additional rear or side space, thus resolving the contradiction between operational ease and compact footprint.
3Ease of operation
If the tool bearing device is hinged with the supporting column, then the tool can be positioned away from the wheel holder, but the position of the disassembly tool changes after resetting, requiring re-adjustment
Solution Approach 1:
The patent replaces the hinged mechanical connection with a sliding mechanism guided by the supporter. The slider moves along the vertical direction within the sliding cavity, providing stable and repeatable positioning. This mechanical substitution eliminates the position drift issue inherent in hinged structures, as the guided sliding path ensures the tool returns to the exact same position after each cycle, eliminating the need for re-adjustment and reducing time loss.
4Ease of operation
If the tool bearing device swings horizontally to avoid hindrance, then the tire mounting/removal process is facilitated, but the complexity of the device increases
Solution Approach 1:
The patent simplifies the device by changing the movement from horizontal swinging (requiring hinges and swing mechanisms) to vertical sliding (requiring only a slider and guide). This dimensional change eliminates the complex hinged swing mechanism while achieving the same functional goal of moving the tool bearing device away from the wheel holder during tire operations.
Data Source
AI summary
The present invention discloses a tire changer including: a base; a wheel holder mounted on the base; and a tool bearing device that is arranged on the base and can drive a disassembly tool to move in the horizontal and vertical directions, and further including: a slider; a supporter; and a first driving device, wherein the supporter is fixed on the base; the tool bearing device is fixed on the slider; the first driving device is connected to the slider and the first driving device can drive the slider to slide along the vertical direction on the supporter. The tire changer has the advantages of small footprint, saving operating procedures, and improving work efficiency, etc.


