Wall-passing type fire damper mounting structure
A technology of installation structure and fire damper, which is applied in the direction of valve device, lifting valve, safety valve, etc. It can solve the problems of air conduction, easy to be deformed by impact, and lack of airflow balance function
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[0018] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0019] see Figure 1-Figure 3 , the present invention provides a technical solution: a wall-type fire damper installation structure, including a wall 1, a fire damper main body 2, a valve plate 3 and a movable buffer mechanism 4, the fire damper main body 2 is installed inside the wall body 1, and the fireproof The valve main body 2 is equipped with a valve plate 3 inside, and the left and right sides of the fire damper main body 2 are provided with movable buffer mechanisms 4 .
[0020] The movable buffer mechanism 4 includes a fixed screw rod 41, a connecting frame 42, a sliding rod 43, a movable seat 44, a sliding block 45, a spring 46, a rolling groove 47, a roller 48 and a steel sleeve 411, and the left and right sides of the main body of the...
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