Cylindrical Fastening Housing Rotary Locking Mechanism
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Solution Overview
Problem
Conventional fastening systems for heavy and bulky objects, such as sanitary fixtures, are complex, expensive, and require extensive preparation of the object surface, making them difficult to assemble and manufacture, while also compromising the object's design.
Innovation Solution
A fastening system comprising a cylindrical housing element with radially projecting locking means and an axial stop, which secures a bolt protruding from the wall, allowing for simple attachment without pre-assembly or specialized object preparation, using a rotary locking mechanism that engages with a locking pin to ensure secure and reliable mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fastening systems with multiple fastening components and connecting components are used, then reliable fixation of heavy objects is achieved, but device complexity and manufacturing cost increase significantly
Solution Approach 1:
The patent combines multiple fastening components into a single integrated housing element that includes both the mounting structure and the locking mechanism. The housing element integrates the receiving area for the bolt, the locking means with radial projections, and the axial stop into one unified component, eliminating the need for separate fastening components and connecting elements.
Solution Approach 2:
The housing element serves multiple functions simultaneously: it provides structural support for mounting the object to the wall, receives and secures the bolt through its receiving area, and implements the locking mechanism through its radial locking means and axial stop. This multi-functionality reduces the overall number of components needed in the fastening system.
2Reliability
If conventional fastening systems require pre-assembly of housing elements and preparation of object surfaces, then secure mounting is achieved, but ease of assembly and manufacturing simplicity deteriorate
Solution Approach 1:
The housing element is pre-configured with the locking means and axial stop during manufacturing, so that no additional preparation or pre-assembly steps are required on-site. The radial projections and axial stop are already in position to engage with the object's mounting surface features, eliminating the need for separate preparation activities.
Solution Approach 2:
The fastening system is designed so that the housing element automatically engages with the object's mounting surface through its locking means and axial stop. The locking mechanism self-actuates during the mounting process, requiring minimal manual intervention and no specialized preparation of the object surface beyond providing the basic through-opening and engagement features.
3Reliability
If conventional fastening systems use multiple individual parts, then secure connection is achieved, but the number of manufacturing steps and assembly operations increases
Solution Approach 1:
The patent merges multiple individual fastening parts into a single housing element component. This integration reduces the total number of parts that need to be manufactured, stored, and assembled, thereby improving productivity while maintaining the secure connection through the integrated locking mechanism.
4Reliability
If conventional fastening systems require extensive preparation of object surfaces, then reliable attachment is achieved, but ease of operation and installation simplicity worsen
Solution Approach 1:
The housing element's locking means and axial stop are designed to automatically engage with the object's mounting surface during installation. The system performs its own alignment and securing functions without requiring extensive preparation or specialized tools, making the installation process simpler while maintaining reliable attachment.
Data Source
Figure 1~2
Figure 3
AI summary
A fastening system with a housing element (2) for mounting objects on a wall comprises a fastening surface (9) of the object (1), the fastening surface facing a wall (13), at least one housing element (2) with a receiving region (3) for placing into the fastening surface, at least one bolt (13) which protrudes from the wall (13) and is received in the receiving region (3), and at least one securing pin (15) which is operatively connected to the bolt (13) through a passage (6) in the receiving region (3) and secures said bolt in the housing element (2). The housing element (2) is of cylindrical design with at least one radially protruding locking means (4). The fastening surface (9) has at least one passage opening (7) and a locking stop. The locking means (4) and the locking stop together form a rotary locking mechanism in such a manner that, in an insertion position, the housing element (2) can be pushed axially into the passage opening (7) from outside the object and, in a locking position relative to the insertion position within the passage opening (7), is rotated in relation to the object (1) in such a manner that the at least one locking means (4) acts on the locking stop and the housing element (2) is blocked axially relative to the object (1).