Filter Mounting Structure for Construction Coolers
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Solution Overview
Problem
The existing filter mounting structure for construction machine coolers is cumbersome and inefficient, requiring troublesome fastening operations and posing risks of lost tools, with poor accessibility and maintenance efficiency due to the need for conventional fastening tools.
Innovation Solution
A mounting structure utilizing an elastic body, such as a plate spring, to press and fix the filter onto a filter abutment surface, eliminating the need for fastening tools and providing easy attachment and detachment, with an engaging claw and hole mechanism for additional position fixing, and cutouts in the maintenance port for guided insertion and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fastening tools (butterfly bolt, pin) are used to mount the filter, then the filter can be securely fixed to the cooler, but the attachment and detachment operations become troublesome and time-consuming
Solution Approach 1:
The filter mounting structure utilizes the filter's own weight and the elastic body's restoring force to achieve automatic engagement and disengagement. When the filter is inserted, its weight causes the elastic body to deform and then restore, automatically pushing the filter into the mounted state without requiring manual fastening operations. For removal, simply pulling the filter outward disengages it automatically.
Solution Approach 2:
The invention replaces the conventional mechanical fastening system (butterfly bolts, pins requiring manual operation) with an elastic body-based automatic fixing mechanism. The elastic body stores and releases mechanical energy to maintain filter fixation, eliminating the need for complex manual fastening and unfastening operations while ensuring reliable mounting.
2Reliability
If conventional fastening tools are used for filter mounting, then the filter can be fixed, but there is a risk of tool loss and increased maintenance complexity
Solution Approach 1:
The invention extracts and eliminates the need for separate fastening tools (butterfly bolts, pins) from the mounting system. The elastic body integrated into the mounting structure performs the fixation function directly, removing extraneous components and simplifying the overall device while maintaining reliable filter fixation.
Solution Approach 2:
The elastic body serves multiple functions simultaneously: it provides the fixing force to secure the filter, acts as a spring mechanism to absorb installation tolerance variations, and enables automatic engagement and disengagement. This multi-functionality reduces the number of separate components needed in the mounting structure.
3Ease of operation
If the filter is mounted from the front surface side of the cooler, then accessibility is improved, but the existing mounting structure still requires troublesome fastening operations
Solution Approach 1:
The mounting structure performs the fastening operation automatically through the elastic body's restoring force. When the filter is inserted from the front surface side (accessible location), the elastic body deforms and then automatically pushes the filter into its mounted position, eliminating the need for manual fastening operations even though accessibility is already improved.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration simplifies filter attachment and detachment, enhances maintenance efficiency, ensures airtightness, and provides a stable fixing effect without the need for manual fastening, reducing the risk of tool loss and improving overall maintenance properties.
Implementation Method 1
an elastic body for exerting an elastic force in the direction of fixing a position of the filter inserted from the filter maintenance port to the filter mounting portion in a state that the filter is pressed onto the filter abutment surface
Data Source
AI summary
On the front surface side of a cooler, a filter mounting portion provided with a filter abutment surface with which a filter is brought into abutment from the front side of the filter mounting portion is provided. The front end side of the filter pushed in from a maintenance port is pressed onto an elastic body formed of a plate spring and provided in the filter mounting portion. Thereby, by a pressing force F1 serving as a component force of a restoring force F of the elastic body, the filter is pressed onto the filter abutment surface, and by a position fixing force F2, the filter is pushed rearwards so as to ensure an engagement state of an engaging claw and an engaging hole.