| 摘要 |
The prefabricated wall-mountable cover box consists of a prefabricated housing 1 and a flat roof 2, whereas the prefabricated housing 1 is composed of a rectangular latticed front panel 1.1, two latticed side panels 1.2 and two fixing bars 1.3, which form the rear wall of the housing 1; in order to give the roof 2 the necessary slope outwards away from the wall, the latticed side panels 1.2 are executed as trapezoids whereas the longer side edges 1.2.1 of the trapezoidal latticed side panels 1.2 are connected to the ends of the upper fixing bar 1.3 and the lower fixing bar 1.3 and the shorter side edges 1.2.2 to the side edges of the rectangular latticed front panel 1.1. The upper fixing bar 1.3 of the wall-mounted cover box is supported on U-form fixing elements 3.1 that have been fixed to two angle brackets 3 equipped with adjustment slots. The U-form fixing element 3.1 is equipped with a shank 3.1.1, a bolt 3.1.2 inserted through the shank 3.1.1 and the adjustment slot in the longer end of the angle bracket 3, due to which the U-form fixing element 3.1 can be moved towards or away from the wall. The width of the U-form fixing element 3.1 corresponds to the thickness of the cover box upper fixing bar 1.3 and its depth to 1/3...1/2 of the width of the upper fixing bar 1.3. In order to keep the lower part of the cover box at a prescribed distance from the wall, two long- thread bolts 4 are inserted through the cover box lower fixing bar 1.3 with their heads resting against the wall. The distance of the lower part of the cover box from the wall can be adjusted by fastening and loosening the nuts of the bolts 4. Due to the U-form fixing elements, which are fitted on angle brackets 3 and support the cover box upper fixing bar 1.3, the threaded bolts 4, which are inserted through the lower cover box fixing bar 1.3 and the heads of which are supported against the wall, the installation of the cover box on fixing elements and its removal from fixing elements is simple; it is easy to adjust the position of the cover box so that sufficient space is left between the housing 1 of the cover box and the wall in order to ensure free movement of air between the wall and the housing 1 of the cover box. |
