Sliding Bolt Seal for Automatic Floor Seals
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Solution Overview
Problem
Automatic floor seals with through-holes for bolts are weakened, leading to instability and inadequate sealing due to mechanical stress and reduced sealant area, and require larger widths and offsetting, which can prevent complete lowering and compromise sealing effectiveness.
Innovation Solution
A seal for a bolt comprising a fastening part and a sealing part that can be slidably mounted on the bolt, allowing the sealing part to be lowered independently to seal the gap between the door leaf and floor without drilling through-holes, with optional spring assistance for secure contact and a guide/connecting part for integration with automatic floor seals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If through-holes are drilled in the seal for bolt passage, then the bolt can pass through and secure the door, but the seal is weakened leading to instability and reduced sealing properties
Solution Approach 1:
The seal is divided into multiple components: a seal body, a sealing strip with sealant, and a retention mechanism. The sealing strip is separable from the seal body, allowing the bolt to pass through the seal body without compromising the integrity of the sealing strip. This segmentation enables the bolt to secure the door while the sealing strip maintains full contact with the floor for effective sealing.
Solution Approach 2:
The sealing function is extracted from the main seal body and implemented through a separate sealing strip with sealant. This sealing strip can be positioned and retained independently, allowing the bolt to pass through the seal body without creating weak points in the sealing path. The sealing strip is retained by the seal body through mechanical engagement features.
2Ease of operation
If through-holes are made in the sealing strip for bolt passage, then the bolt can be installed, but the area of sealant is reduced leading to insufficient sealing
Solution Approach 1:
The seal system is segmented into a seal body and a separate sealing strip. The bolt passes through the seal body, not the sealing strip, preserving the full sealant area. The sealing strip is held in place by retention features on the seal body, ensuring continuous sealant contact with the floor without holes or gaps.
3Adaptability or versatility
If the seal width is increased to accommodate through-holes for conventional bolts, then standard bolts can be used, but the seal becomes wider and more complex
Solution Approach 1:
The sealing strip is designed to be flexible and capable of lateral movement during installation. This dynamic characteristic allows the sealing strip to accommodate the bolt passage through the seal body without requiring excessive seal width. The flexible sealing strip can bend and adjust position to ensure proper sealing even when the bolt passes nearby.
4Productivity
If the sealing part is lowered together with the bolt, then the seal is installed, but the offset of sealing strips may prevent complete lowering and compromise sealing
Solution Approach 1:
The seal system separates the lowering function (performed by the bolt and seal body) from the sealing contact function (performed by the sealing strip). The sealing strip can be offset laterally relative to the seal body and still maintain full contact with the floor due to its flexibility and retention mechanism. This allows the bolt to lower the seal body while the sealing strip independently ensures complete sealing contact.
Solution Approach 2:
The sealing strip is made of flexible material that can bend and adjust its position. This flexibility allows the sealing strip to accommodate lateral offsets during the lowering process and ensure complete contact with the floor surface, maintaining reliable sealing even when the seal body and sealing strip are not perfectly aligned.
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
The solution provides enhanced sealing stability and effectiveness by allowing the sealing part to reach the floor before the bolt, ensuring complete sealing without compromising the seal's structure and allowing for flexible attachment and adjustment, while maintaining the integrity of the automatic floor seal.
Implementation Method 1
The seal can have a spring which is supported on the one hand on the fastening part and on the other hand on the seal part which can be displaced in relation to it. The spring can be used to apply a force to the sealing part to move the sealing part in the direction of the first end position.
Data Source
Figure 1~2.1
Figure 3~4
AI summary
Seal (2) for a bolt (1) - with a fastening part (21) and a sealing part (22), - wherein the fastening part (21) can be fastened to the bolt (1), - wherein the sealing part (22) is slidably mounted on the fastening part (21) between a first end position and a second end position and the sealing part (22) has a sealing element (220) which is suitable and configured to provide a sealing seal against a counter surface, for example the floor, when a seal (2) is attached to the bolt (1) of a door.