Placement type fixed plastic support

A placement type fixed plastic support, comprising a base plate (100), wherein a raised support barrier strip (110) is fastened to the top of one end of the base plate (100), a first diagonal bracing surface (120) is disposed at the other end of the base plate (100), a support plate (300) is assembled on the first diagonal bracing surface (120) by using quick-disassembling mechanisms (200), a bent support portion (310) is fixedly connected to one end of the support plate (300), a second diagonal bracing surface (320) is disposed at the other end of the support plate (300), and when the support plate (300) is assembled with the base plate (100), the second diagonal bracing surface (320) precisely abuts against the first diagonal bracing surface (120);

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• the quick-disassembling mechanism (200) comprises a convex-shaped clamping hole (210) formed in a surface of the first diagonal bracing surface (120), the convex-shaped clamping hole (210) is in clamping connection with a T-shaped plug post (220) fixedly connected to a surface of the second diagonal bracing surface (320), the quick-disassembling mechanism (200) further comprises a plurality of positioning recesses (230) formed in the surface of the first diagonal bracing surface (120), and the positioning recesses (230) are in clamping connection with positioning protrusions (240) fixedly connected to the surface of the second diagonal bracing surface (320).