A flow testing device for a pressure reducing valve of a vehicle-mounted hydrogen supply system

By designing a pressure reducing valve flow testing device suitable for vehicle-mounted hydrogen supply systems, the device utilizes a motor-driven disc and connecting rod to achieve automatic docking and testing of the pressure reducing valve, solving the problem of inconvenient manual connection and improving testing efficiency and accuracy.

CN224317299UActive Publication Date: 2026-06-02NANTONG SHENTONG NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANTONG SHENTONG NEW ENERGY TECH CO LTD
Filing Date
2025-08-21
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In the existing technology, it is inconvenient to manually connect the air pipe of the testing equipment to the air inlet and outlet of the pressure reducing valve during the pre-shipment testing of the pressure reducing valve, which makes testing and use inconvenient.

Method used

A pressure reducing valve flow testing device suitable for vehicle-mounted hydrogen supply systems was designed, comprising a worktable, positioning fixture, sliding seat, gas pipe, valve connector, motor-driven disc and connecting rod, to achieve automatic docking and fixing of the pressure reducing valve, and to perform testing in conjunction with a gas flow meter and pressure gauge.

Benefits of technology

It enables automatic docking and testing of pressure reducing valves, improves testing efficiency, reduces the tedium of manual operation, and ensures the accuracy and convenience of testing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224317299U_ABST
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Abstract

The utility model belongs to pressure reducing valve test field, concretely is a kind of pressure reducing valve flow testing device suitable for vehicle-mounted hydrogen supply system, including work bench, the top of work bench is stably connected with table board;The middle part of table board is equipped with the positioning fixture that can be positioned to pressure reducing valve, the both sides of table board are slidably connected with sliding seat, the top of sliding seat is stably connected with trachea, the end of trachea is stably connected with valve joint, when using, pressure reducing valve is positioned and fixed by fixed position fixture, two valve joints are respectively corresponding with the air inlet and air outlet of pressure reducing valve, valve joint is used to connect trachea and pressure reducing valve, and sealing is carried out, rely on motor driving disc body to rotate, the rotation of disc body will be through connecting rod to pull sliding seat and move, sliding seat moves and drives trachea to move, moves and pressure reducing valve butt joint, to this to automatically complete valve butt joint, to facilitate staff detection, save time and effort.
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