Fire box hidden door structure
A fire box and secret door technology, applied in the field of door structure, can solve the problems of hidden safety hazards, difficulty in opening, inability to fully open, etc., to ensure safe use, solve the problem of heavy weight, and satisfy the effect of decoration
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[0032] Hereinafter, preferred embodiments of the present invention are given in conjunction with the drawings to illustrate the technical solutions of the present invention in detail.
[0033] figure 1 Is a schematic diagram of the overall structure of the present invention, such as figure 1 Shown: The concealed door structure of the fire box provided by the present invention includes a U-shaped shaft transmission device, two fan-shaped three-part hinge devices 200 and a double-curve door guide limit device 300. The two fan-shaped three-part hinge devices 200 pass through The rotating shaft 102 is installed on both sides of the U-shaped rotating shaft transmission device to realize the eccentric movement of the door and hyperbolic opening. The hyperbolic door guiding and limiting device 300 is two wedge-shaped fixed blocks, and one of the hyperbolic door guiding and limiting device 300 is fixed on The concealed door of the fire box and the rotating shaft 102 stop rotating when it ...
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