Double-valve linkage structure of combined three-way valve

By using a combined three-way valve with a dual-valve linkage structure, and utilizing a synchronous chain and gear connection, the synchronous operation of multiple three-way valves is achieved, solving the problems of uneven fluid distribution and large space occupation in the existing technology, and improving the operating efficiency and installation convenience of the equipment.

CN224283560UActive Publication Date: 2026-05-26ZHANGJIAGANG BAITU VALVE CO LTD
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Patent Information

Application Number
CN202521283818.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2026-05-26
Estimated Expiration
2035-06-23

AI Technical Summary

Technical Problem

In existing complex fluid distribution systems, the operation of multiple independent three-way valves is complicated and inefficient, making it difficult to ensure coordination. This leads to uneven fluid distribution and pipeline pressure imbalance, and also occupies a large space, increasing the difficulty of equipment layout and installation.

Method used

The system adopts a dual-valve linkage structure with a combined three-way valve. The first and second three-way valves are connected by a synchronous chain to achieve synchronous opening and closing. Combined with gears and connecting parts, it forms a parallel structure, which reduces space occupation and improves coordination.

Benefits of technology

It enables synchronous switching of fluids in parallel pipelines, reduces system costs, simplifies equipment layout and installation, reduces the risk of external leakage, and improves the uniformity of fluid distribution and the ease of equipment maintenance.

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Abstract

The utility model relates to a double-valve linkage structure of a combined three-way valve, which comprises a first three-way valve and a second three-way valve with the same structure, the first three-way valve and the second three-way valve are respectively connected with a first valve clack and a second valve clack, and the first valve clack and the second valve clack are respectively connected with a first valve rod and a second valve rod. The first valve rod and the second valve rod are both connected with hand wheels, the first three-way valve and the second three-way valve are communicated through a connecting piece and form a parallel structure, and the first valve rod and the second valve rod are connected with a first gear and a second gear respectively, a synchronous chain used for achieving opening and closing synchronization of the first three-way valve and the second three-way valve is connected between the first gear and the second gear. The device is convenient to mount, dismount and replace, and is simple to maintain.
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