Abstract: A wall panel fastening structure for mounting and demounting each panel without moving the other panels is provided on a supporting frame by using a projecting and retracting pin, wherein the wall panel is provided with a wall board part and a fastening part projecting on a back surface of the wall board part; the supporting frame is provided with an accommodating space for accommodating the projecting and retracting pin, and placed along a gap between adjacent wall panels and facing the fastening part; the accommodating space is open to the gap; the projecting and retracting pin is provided with a thread portion and screwed into a thread hole provided in a flange of the supporting frame; and the wall panel is locked to the supporting frame by inserting a front end portion of the projecting and retracting pin into a locking hole formed in the fastening part.

Abstract: A wall panel fastening structure for mounting and demounting each panel without moving the other panels is provided on a supporting frame by using a projecting and retracting pin, wherein the wall panel is provided with a wall board part and a fastening part projecting on a back surface of the wall board part; the supporting frame is provided with an accommodating space for accommodating the projecting and retracting pin, and placed along a gap between adjacent wall panels and facing the fastening part; the accommodating space is open to the gap; the projecting and retracting pin is provided with a thread portion and screwed into a thread hole provided in a flange of the supporting frame; and the wall panel is locked to the supporting frame by inserting a front end portion of the projecting and retracting pin into a locking hole formed in the fastening part.

Abstract: The present invention provides an installation structure of exterior wall decorative sheet (1) possible for easily installing a wall surface (W) of the exterior wall decorative sheet (1), preventing the exterior wall decorative sheet (1) from moving upwards. It includes a plurality of solar panels (3), which is an exterior wall decorative sheet (1), a lower runner (2) holding the plurality of solar panels (3) at a lower side thereof, and an upper runner (2) holding the plurality of solar panels (3) at an upper side. The upper runner (2) includes a fixed portion (21) fixed to the wall surface (W), a rotating portion (22) attaching a base side thereof vertically and rotatably to the fixed portion (21), and an upper engaging portion (23) provided in a tip side of the rotating portion (22), engaged with the solar panel (3) by rotating the rotating portion (22) downwards, and disengaged with the solar panel (3) by rotating the rotating portion (22) upwards.

Abstract: The present invention provides an installation structure of exterior wall decorative sheet (1) possible for easily installing a wall surface (W) of the exterior wall decorative sheet (1), preventing the exterior wall decorative sheet (1) from moving upwards. It includes a plurality of solar panels (3), which is an exterior wall decorative sheet (1), a lower runner (2) holding the plurality of solar panels (3) at a lower side thereof, and an upper runner (2) holding the plurality of solar panels (3) at an upper side. The upper runner (2) includes a fixed portion (21) fixed to the wall surface (W), a rotating portion (22) attaching a base side thereof vertically and rotatably to the fixed portion (21), and an upper engaging portion (23) provided in a tip side of the rotating portion (22), engaged with the solar panel (3) by rotating the rotating portion (22) downwards, and disengaged with the solar panel (3) by rotating the rotating portion (22) upwards.