Anti-crack assembly for corner wall of door and window

An anti-crack assembly for corner walls of doors and windows comprising:

• a plurality of anti-crack components arranged corresponding to one another and spaced apart from one another;
• the anti-crack component having a first piece portion arranged vertically and a second piece portion disposed horizontally;
• the first piece portion and the second piece portion connected to form one part and a first notch formed by one side of the first piece portion and one side of the second piece portion;
• two adjacent first fixing holes disposed beside the first notch and along both an end edge of the first piece portion and an end edge of the second piece portion;
• a plurality of fixing rods having a plurality of first fixing rods and a plurality of second fixing rods;
• the first fixing rods inserted through and fixed in the two first fixing holes of the first piece portion and the two corresponding first fixing holes of the second piece portion of the respective anti-crack components;
• the first piece portion provided with two imaginary vertical lines which are defined as imaginary lines vertically passed through two of the first fixing rods;
• the second piece portion provided with two imaginary horizontal lines which are defined as imaginary lines horizontally passed through two of the first fixing rods;
• an operation area formed and defined by the two imaginary vertical lines, the two imaginary horizontal lines, the end edge of the first piece portion, and the end edge of the second piece portion;
• a plurality of second fixing holes and at least one positioning hole arranged at the operation area;
• the second fixing rods inserted through and fixed in the corresponding second fixing holes of the anti-crack components;
• two ends of both the first fixing rod and the second fixing rod projecting from an outer side of the first anti-crack component and an outer side of the last anti-crack component correspondingly;
• at least one positioning rod inserted through the corresponding positioning holes of the anti-crack components;
• a reinforcement unit having two reinforcement pieces and an anti-shock piece;
• the two reinforcement pieces disposed on the two ends of the second fixing rods correspondingly;
• the anti-shock piece located between the two reinforcement pieces, going across the first notches of the plurality of the anti-crack components, and in a shape matched with a shape of the first notches of the anti-crack components;
• wherein the anti-crack assembly is characterized in that:
• one side of the first piece portion and one side of the second piece portion which are combined to form the first notch are respectively defined as a first side and a second side;
• the first side of the first piece portion and the second side of the second piece portion are respectively provided with a first locking slot and a second locking slot;
• an edge of one side of the anti-shock piece adjacent to the first side of the first piece portion of the anti-crack component is provided with a first locking hook portion able to be engaged and connected with the first locking slot of the first piece portion of the anti-crack component;
• an edge of one side of the anti-shock piece adjacent to the second side of the second piece portion of the anti-crack component is provided with a second locking hook portion able to be engaged and connected with the second locking slot of the second piece portion of the anti-crack component.