Brake Cylinder Clamping Ring Uniform Force Assembly
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Solution Overview
Problem
Conventional brake cylinder clamps do not provide a uniform clamping force due to gaps and require significant space for screw-nut connections, and existing solutions complicate assembly and risk material damage.
Innovation Solution
A form-fitting clamping connection using a clamping ring with regular patterned openings on the lower housing part and snap hooks on the upper housing part, which alternates with peripheral sections without openings or hooks, providing a structurally simple and uniform clamping force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a screw-nut connection is used to generate clamping force, then the clamping force can be generated, but the space requirement increases and the force curve becomes non-uniform due to gaps
Solution Approach 1:
The patent extracts the clamping function from the housing ends and implements it through a separate clamp that wraps around the housing. This clamp generates clamping force via friction at two tangential screw-nut connections, eliminating the need to integrate clamping features into the housing geometry and avoiding the space constraints and material forming issues of the prior art.
Solution Approach 2:
The clamp acts as an intermediary component that mediates the clamping function between the housing parts. Instead of directly integrating clamping mechanisms into the housing, the clamp serves as a separate element that provides the clamping force through friction-based screw-nut connections, resolving the contradiction between force generation and space requirements.
2Force
If a screw-nut connection is used to generate clamping force, then the clamping force can be generated, but the force curve becomes non-uniform due to gaps
Solution Approach 1:
The patent extracts the clamping function from the housing ends and implements it through a separate clamp that wraps around the housing. This clamp generates clamping force via friction at two tangential screw-nut connections, eliminating the need to integrate clamping features into the housing geometry and avoiding the space constraints and material forming issues of the prior art.
Solution Approach 2:
The clamp is designed with two tangential screw-nut connections positioned at specific locations to distribute the clamping force more uniformly around the circumference. This local arrangement of fastening points creates a more balanced force distribution compared to radial connections, improving the uniformity of the force curve and reducing localized surface pressures.
3Device complexity
If the clamping function is integrated into the housing ends, then the clamp structure is simplified, but the assembly process becomes complex and material damage risk increases
Solution Approach 1:
The patent segments the clamping function from the housing structure, using a separate removable clamp instead of integrating clamping features directly into the housing ends. This segmentation simplifies the housing geometry (no narrow forming radii required) while maintaining a relatively simple clamp structure, and significantly eases the assembly process by avoiding complex forming operations and tooling requirements.
Solution Approach 2:
The patent extracts the clamping function from the housing ends and implements it through a separate clamp that wraps around the housing. This clamp generates clamping force via friction at two tangential screw-nut connections, eliminating the need to integrate clamping features into the housing geometry and avoiding the space constraints and material forming issues of the prior art.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention concerns a brake cylinder (1), comprising a brake cylinder housing (2) with a housing upper part (3) and a housing lower part (4) and a diaphragm (16), the housing upper part (3) comprising fluid-pipe connections (5, 6), and the housing lower part (4) comprising securing means (10, 11) for securing to a brake. The invention is characterized in that the housing upper part (3), the housing lower part (4) and the diaphragm (16) are clamped together in form-fitting manner at a junction by a clamping ring (38) on the housing upper side and a clamping ring (30) on the housing lower side.