Suction hose for a vacuum cleaner
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Solution Overview
Problem
Suction hoses for vacuum cleaners often get caught on the ground due to their flexible ribs, which can lead to damage or inefficient operation, especially when used with hand-held power tools.
Innovation Solution
A hose jacket encases the suction hose, providing a side opening that can extend along the entire or majority of its length, allowing it to be rolled out flat and featuring closure means like hook and loop fasteners or zip fasteners to securely attach to the hose body, preventing twisting and detachment, and incorporating connecting sleeves for secure attachment to terminal devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the suction hose has flexible ribs for reinforcement, then the structural strength is improved, but the hose tends to get caught on the ground
Solution Approach 1:
The patent applies nesting by placing the suction hose inside a protective hose jacket. The hose jacket encloses the reinforced hose body, allowing the inner hose to maintain its structural strength from ribs and helical reinforcement while the outer jacket prevents direct contact with ground surfaces that could cause catching or damage.
2Ease of operation
If the hose jacket has a side opening for easy attachment, then the ease of operation is improved, but the connection reliability may worsen
Solution Approach 1:
The hose jacket is segmented with a side opening that allows the hose to be inserted separately rather than requiring complete disassembly. The opening can be extended along the entire or substantially the entire longitudinal length, enabling easy attachment while the closed outer circumference maintains structural integrity and secure connection.
Solution Approach 2:
The hose is pre-assembled within the hose jacket through the side opening before final installation. This preliminary assembly through the opening allows for proper positioning and securing of the hose within the jacket, ensuring reliable connection while maintaining ease of operation.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention relates to a suction hose for a vacuum cleaner (90) with a suction channel hose body (15) having a suction channel (18) for a suction flow, wherein the suction hose (10) has a connection at a first longitudinal end (12) for connecting to the vacuum cleaner (90) and at a second longitudinal end (11) remote from the first longitudinal end an inlet opening, in particular for connecting to a hand-held power tool (80), wherein the suction channel (18) runs between the longitudinal ends (11, 12) of the suction hose (10) in a longitudinal extension (13).The suction hose (10) is provided in that the hose body is received in a flexible hose jacket (20) enclosing the suction channel hose body (15), wherein the hose jacket (20) has a side opening (29) in its longitudinal extent (13) such that the suction channel hose body (15) can be inserted into the hose jacket (20) transversely to its longitudinal extent, wherein the hose jacket (20) has closing means (30) for closing its side opening (29).