Diaphragm Pressure Gauge Arch Bracket Pre-Punched Windows

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Solution Overview

Problem

The arch bracket for diaphragm pressure gauges in prior art is costly to produce and hampers efficient installation and debugging due to complex punching processes and narrow debugging windows.

Innovation Solution

An arch bracket design featuring alternately arranged first and second windows with specific fulcrums for connection, and a processing method involving pre-punching and forming to reduce material consumption and production steps, including stamping in a conical die to create conical or cylindrical rib surfaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional multi-die pressing and multi-punching process is used to manufacture the arch bracket, then the structural integrity is maintained, but the production cost increases and production efficiency decreases

Engineering Contradiction:
Improveproduction costVSAvoidproduction efficiency
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The patent applies preliminary action by pre-punching the arch bracket blank with debugging windows before the forming process. This preliminary punching creates access openings that allow debugging tools to reach internal components after forming, eliminating the need for post-forming punching operations and reducing total process steps

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent segments the manufacturing process into distinct stages: pre-punching the blank with debugging windows, then forming the arch bracket. This segmentation allows the debugging windows to be created when the material is still flat and accessible, rather than attempting to punch through the formed three-dimensional structure

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If traditional four-hole uniform distribution debugging windows are used, then the structural symmetry is maintained, but the debugging accessibility is limited

Engineering Contradiction:
Improvedebugging accessibilityVSAvoidpunching process complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The debugging windows are pre-punched in the flat blank state before forming, when tool access is easiest and the material is most accessible. This preliminary action allows for simpler, more direct punching operations compared to attempting to create windows after the arch bracket is formed

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent inverts the traditional sequence by creating debugging windows before forming rather than after. This reversal of the normal process sequence (typically forming then punching) allows for much easier tool access and simpler punching operations

Inventive Principle:
Principle #13The other way round (Inversion)

Data Source

PatentUS11543319B2Arch bracket for diaphragm pressure gauge
Publication Date: 2023.01.03 ZHONGSHAN FUMAO SEALS TECH
  • US11543319B2 patent drawing

AI summary

The present disclosure provides an arch bracket for a diaphragm pressure gauge, comprising a bottom, first windows, ribs, second windows and a top arranged in order, the first windows and the second windows being arranged alternately, taking one of the first windows as an example, two sides of the first window being respectively provided with a first fulcrum and a third fulcrum, and a middle of the first window being provided with a second fulcrum, the first fulcrum and the third fulcrum being used to connect the bottom and the ribs, and the second fulcrum being used to connecting the ribs and the top, and the second fulcrum being located on a vertical line between the first fulcrum and the third fulcrum. By setting the pre-punched notches on the pre-punched part, the first windows and the second windows on the formed part are formed by the pre-punched notches.