Cistern Connecting Piece Assembly Mechanism
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Solution Overview
Problem
The existing assembly process for connecting a water pipe to a shut-off valve in concealed cisterns is complex and requires precise alignment, often leading to undesirable pipe bending and increased risk of connection failure.
Innovation Solution
The connecting piece is stored within a receiving device inside the cistern, allowing for easier installation and secure connection of the water pipe, with features like a non-rotatable receiving sleeve and locking mechanism to prevent misalignment and bending, and a sealing sleeve for protective tubes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the connecting piece is connected externally to the cistern, then the assembly process requires precise alignment and positioning, but this increases the complexity of the assembly process and the risk of connection failure
Solution Approach 1:
The connecting piece is nested within a receiving device that is integrated into the cistern's box body. The receiving device contains the connecting piece in a predefined position, eliminating the need for external alignment and positioning during assembly. This nesting approach ensures reliable connection while simplifying the assembly process.
Solution Approach 2:
The connecting piece is pre-positioned within the receiving device during manufacturing, before the actual installation of the cistern. This preliminary positioning ensures that during assembly, the water pipe can be connected directly without requiring precise alignment, thereby reducing assembly complexity and improving connection reliability.
2Ease of operation
If the water pipe is bent to reach the shut-off valve, then the connection can be made, but this causes undesirable pipe bending and increased risk of connection failure
Solution Approach 1:
The receiving device is integrated into the box body with an opening that allows the water pipe to pass through in a straight line. The connecting piece is positioned within this receiving device, enabling direct connection without bending the protective tube, thus maintaining connection reliability while improving ease of operation.
3Ease of operation
If the connecting piece is stored outside the cistern, then it is accessible during assembly, but it can be pulled out and lost
Solution Approach 1:
The connecting piece is nested within the receiving device that is integrated into the box body. During assembly, the connecting piece is accessible through the opening of the receiving device, but once assembled, it is retained securely inside, preventing it from being pulled out or lost.
4Reliability
If the receiving device is made complex to ensure secure connection, then connection reliability improves, but manufacturing cost increases
Solution Approach 1:
The receiving device is merged with the box body as an integrated component rather than a separate part. This combining approach ensures secure connection and retention of the connecting piece while simplifying manufacturing processes and reducing overall production costs.
Data Source
Figure 1~2
Figure 3
AI summary
The flushing tank (1) comprises a block valve (11) and a connecting piece (28) which is connected to the block valve at one end. The connecting piece is connected to a water pipeline (6) at the other end. A box body (2) is provided in an opening (10) in a wall (3), where the connecting piece is provided in a supporting device (14) inside the box body.