Dirt suction guide device and cleaner comprising same
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Solution Overview
Problem
Conventional dirt suction guide devices have limited functionality and are cumbersome to use due to their fixed form, making it difficult to clean various surfaces, including narrow gaps and floors, as they require frequent replacement of suction nozzles and have low availability for different cleaning tasks.
Innovation Solution
A dirt suction guide device with a tubular body, a movable part, and a coupling part that allows the device to change angle and adjust suction port openness, enabling flexible use by coupling to an extension tube, and featuring a first suction member made of flexible material and a second suction member for pressure adjustment and detent mechanisms for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional crevice is used to clean narrow gaps, then the narrow gap can be cleaned, but the cleaning region is limited and frequent nozzle replacement is required
Solution Approach 1:
The suction guide device integrates multiple functions into a single tool: it can clean narrow gaps through its guide structure, and floors or broad surfaces by extending the movable part to expose the suction port. This eliminates the need to replace nozzles for different cleaning tasks, resolving the contradiction between versatility and operational complexity
Solution Approach 2:
The movable part can be extended and retracted relative to the body, dynamically changing the suction port's accessibility. When extended, the suction port is exposed for broad surface cleaning; when retracted, it allows cleaning of narrow gaps. This dynamic adjustment provides multiple cleaning capabilities without requiring multiple nozzles
2Adaptability or versatility
If the suction port is always open, then the cleaning region is maximized, but dirt may enter the movable part mechanism
Solution Approach 1:
The suction port is designed to be dynamically open or closed based on the movable part's position. When the movable part is extended for broad surface cleaning, the suction port is open to maximize cleaning region. When retracted for narrow gap cleaning, the suction port closes automatically to prevent dirt from entering the mechanism, thus resolving the contradiction between cleaning region and mechanism protection
Solution Approach 2:
The suction port closure mechanism proactively prevents dirt from entering the movable part by closing the suction port before dirt can penetrate into the mechanism when the movable part is in the retracted position. This preliminary protective action ensures mechanism reliability while maintaining cleaning versatility
Data Source
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AI summary
Disclosed are a dirt suction guide device and a cleaner comprising the same. The disclosed cleaner comprises: a cleaner body for generating a suction force; a flexible hose connected to the cleaner body; an extension tube connected to the flexible hose; and a dirt suction guide device separately coupled to the extension tube, wherein the dirt suction guide device comprises a body, a movable portion, which is connected to one side of the body, and which is coupled to be able to slide with regard to the body, and a connecting portion, which is connected to the other side of the body, and which connects the body to the extension tube, and the body is hinge-coupled such that the same can selectively maintain and change an angle with regard to the extension tube.