According to news from the financial industry on November 22, 2024, information from the State Intellectual Property Office shows that Hubei Xinhui Door Industry Co., Ltd. has obtained a patent called \”A new type of steel-wood armored fire safety door\”. Authorization announcement number CN 222025685 U, application date is March 2024.
The patent abstract shows that the utility model relates to the technical field of safety doors, specifically a new type of steel-wood armored fireproof safety door, which includes a frame, and extension assemblies are slidingly connected to both sides of the frame. The top end of one side of the extension component is fixedly connected to a sliding block, the inner wall of the sliding block is fixedly connected to the limiting component, both sides of the frame are fixedly connected to several fixed components, and a rectangular hole is provided in the middle of the surface of the frame. groove. Through the arrangement of the fixed component, the extension component and the limiting component, the utility model can place the frame in a suitable position during use, and then rotate the rotating column at one end of the threaded column to allow the threaded column to pass through the threaded sleeve on the frame. Stretch out, let the fixing plate be in close contact with the wall to fix the position of the frame, then press the limit block to compress the limit spring in the sliding block and use the handle to pull the connecting plate to allow the extension plate to extend from the frame, thereby improving the device\’s applicability. range, increasing the ease of installation.
This article comes from the financial world
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