A valve pressure reduction performance testing device

By employing a synergistic structure of positioning grooves, guide plates, and auxiliary supports, combined with the design of multiple annular sealing airbags and electric telescopic rods, the shortcomings of existing valve pressure reduction performance testing devices in terms of positioning efficiency, sealing reliability, and monitoring capabilities have been solved. This enables efficient and accurate valve pressure reduction performance testing, adapts to valves of different specifications, and improves the equipment's versatility and safety.

CN224624003UActive Publication Date: 2026-08-11WUHAN MINGDUO VALVE TESTING CO LTD
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Patent Information

Application Number
CN202522269891.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-27
Publication Date
2026-08-11
Estimated Expiration
2035-10-27

AI Technical Summary

Technical Problem

Existing valve pressure reduction performance testing devices are inadequate in terms of positioning efficiency, sealing reliability, adaptability, and monitoring capabilities, making it difficult to meet the demand for efficient and accurate testing. They are particularly inefficient in assembly line operation scenarios, and the sealing structure is prone to leakage and lacks real-time monitoring functions, posing safety hazards.

Method used

The system employs a collaborative structure of positioning grooves, guide plates, and auxiliary supports to achieve rapid positioning. The auxiliary sealing assembly features a multi-ring sealing airbag and corrugated protrusion design, combined with an electric telescopic rod and pressure sensor for precise positioning and real-time monitoring, achieving an efficient and reliable sealing connection. Automated detection is achieved through a PLC controller.

Benefits of technology

It enables rapid positioning and efficient disassembly/reassembly of pressure reducing valves, significantly improves sealing performance and adaptability, ensures the accuracy and safety of test data through real-time monitoring, extends equipment lifespan, and increases production efficiency by more than 50%.

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Abstract

This utility model relates to a valve pressure reduction performance testing device, including a mounting base. A positioning groove is provided at the center of the top of the mounting base. A pressure reduction valve is vertically placed inside the positioning groove and slidably inserted into the positioning groove via an auxiliary bracket. An air inlet pipe and an air outlet pipe are respectively provided on both sides of the top surface of the mounting base. One end of the air inlet pipe and the air outlet pipe are connected to the air inlet and air outlet of the pressure reduction valve, respectively. The other end of the air inlet pipe extends outward and connects to an air pump. An auxiliary sealing assembly is also provided at the end of the air inlet pipe and the air outlet pipe connected to the pressure reduction valve. The auxiliary sealing assembly tightly fits onto the surface of the air inlet or air outlet of the pressure reduction valve to form a seal. A pressure detector is provided on both the air inlet pipe and the air outlet pipe, arranged close to the auxiliary sealing assembly. This application adopts a collaborative structure of "positioning groove + guide plate + auxiliary bracket" to achieve efficient positioning of the pressure reduction valve, eliminating the need to disassemble the bracket during loading and unloading of the pressure reduction valve, further simplifying the operation process.
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