Smoke exhaust fireproof valve executing mechanism with reset structure
By designing a reset structure in the smoke exhaust fire valve actuator, and using the cooperation of rotating rods, torsion springs and other components, automatic and rapid reset in the event of fire is achieved, and the problem of slow valve resetting effect in the prior art has been solved.
CN222687404UActive Publication Date: 2025-03-28NINGBO DONGLING PLUMB & AIR CONDITIONING PARTS & ACCESSORIES
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Patent Information
- Application Number
- CN202421085137.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Technical Problem
The existing smoke exhaust fire valve actuator needs to be manually activated during fire, making it difficult to close the valve quickly, resulting in the flame easily spreading through the pipe.
Method used
A smoke exhaust fire valve actuator with a reset structure is designed, and the rotating rod, torsion spring, rotary plate, cotton rope, hook, fixing ring, baffle and other structures are coordinated to achieve automatic and rapid reset.
Benefits of technology
When the fire is large, after the cotton rope is broken, the rotation force of the torsion spring quickly resets the baffle, blocks the smoke exhaust port, avoids the spread of open flames, and realizes automatic and rapid reset of the valve.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of fireproof valves, and discloses a smoke exhaust fireproof valve actuating mechanism with a reset structure, which comprises a valve body and a pipeline, an inner cavity is arranged inside the valve body, a rotating rod is rotatably connected inside the inner cavity, a torsion spring is sleeved outside the rotating rod, the bottom of the rotating rod is fixedly connected with a rotating plate, and the rotating plate is fixedly connected with the pipeline. A cotton rope is fixedly connected to one end of the rotating plate, a hook is fixedly connected to one end of the cotton rope, a fixing ring is fixedly connected to the bottom of the valve body, a baffle is fixedly connected to the outer side of the rotating rod, and a smoke outlet is formed in the bottom of the valve body. According to the automatic reset valve, through mutual cooperation of the rotating rod, the torsional spring, the rotating plate, the cotton rope, the hook, the fixing ring, the baffle, the smoke outlet and other structures, when the fire behavior is large, the cotton rope can be burnt out, under the action of the rotating force of the torsional spring, the baffle rapidly resets to cover the smoke outlet, open fire is prevented from spreading through a pipeline, and therefore the valve can automatically and rapidly reset.
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