Dust Collector Filter Cartridge Clamping for Quick Column Fixing
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Solution Overview
Problem
Existing filter devices for dust collectors face challenges in conveniently and stably fixing a middle column of a filter cage, which affects the ease of assembly and disassembly.
Innovation Solution
A filter device design featuring a filter cage with a filter cartridge, an end cap, and a cover body that includes clamping elements and pushing parts to securely clamp the middle column during rotation, allowing for easy assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a middle column is used to match the filter cage structure, then the filter device can be stably fixed and assembled, but the assembly and disassembly process becomes complex and time-consuming
Solution Approach 1:
The cover body is divided into multiple quadrants with independent pushing parts, and the clamping elements are segmented to independently clamp the middle column. This segmentation allows each component to perform its function independently, enabling quick assembly and disassembly while maintaining stable fixation.
Solution Approach 2:
The clamping elements are designed to be dynamically adjustable during the rotation process. As the cover body rotates, the pushing parts progressively push the clamping elements to clamp the middle column. This dynamic clamping process transforms a complex multi-step assembly into a single rotational motion, improving both ease of operation and fixation stability.
2Device complexity
If traditional fixing methods are used, then the structure is simple, but the fixation effect is poor and the middle column is not securely held
Solution Approach 1:
The fixing mechanism transitions from simple linear insertion to a rotational dimensional change. The cover body rotates around the middle column, transforming the clamping action from a single-point contact to a multi-point circumferential clamping. This dimensional change achieves secure fixation while maintaining relatively simple structure through the rotational motion principle.
Solution Approach 2:
The pushing parts act as intermediaries between the cover body and the clamping elements. During rotation, the pushing parts transmit the rotational motion to progressively push the clamping elements onto the middle column. This intermediary mechanism enables the complex clamping action to be achieved through simple rotational input, improving fixation effect without significantly increasing structural complexity.
3Reliability
If the cover body rotates to push clamping elements, then the middle column is securely clamped, but the device complexity increases
Solution Approach 1:
The pushing parts and clamping elements are merged into an integrated system where the rotation of the cover body simultaneously performs both pushing and clamping functions. The pushing parts are positioned on the inner wall of the cover body, and as the cover rotates, these pushing parts naturally push the clamping elements onto the middle column. This merging of functions reduces the need for separate actuating mechanisms, achieving secure clamping with minimal added complexity.
Data Source
AI summary
Disclosed is a filter device, including: a filter cage, a filter cartridge sleeved at outer side of the filter cage and an end cap connected to one end of the filter cartridge; the end cap is provided with a through end hole, and one end of the filter cage corresponding to the end cap is provided with a middle column penetrating through the end hole; and the filter device further includes: a cover body installed at outer side of the end cap; where the end cap is provided with a plurality of clamping elements used for pressing against the middle column, and the cover body pushes the clamping elements to move to the middle column in a process that the cover body rotates around the middle column along a rotation direction, so that the middle column is clamped by the plurality of clamping elements.