3results about How to "Change the installation angle" patented technology

The utility model relates to a kind of optical beam smoke detector, comprising: back cover, with first installation site and second installation site;Optical module, is installed at the first installation site;Key, at the second installation site;First front cover, cover in the first installation site, to at least partially shield the optical module;Second front cover, detachably installed at the second installation site, to at least partially shield the key;Control panel, electrically connected to the key;Drive assembly, electrically connected to the control panel, the drive assembly is used to adjust the position state of the optical module at the first installation site.

The utility model relates to the technical field of desertification control devices, in particular to a wind prevention and sand fixation device for desertification control, which comprises a base, a sliding rod, a sliding block, an inserting rod, a blocking rod and a treading component, a sliding hole is formed in the top of the base, the sliding rod is fixedly connected in the sliding hole, the sliding block is positioned on the sliding rod and is in sliding connection with the sliding rod, and the inserting rod is inserted into the sliding hole. The inserting rod penetrates through the base and is in sliding connection with the base, the blocking rod is installed in the inserting rod, the treading assembly is movably installed on the sliding block, and the treading assembly presses the blocking rod downwards when turning over. According to the utility model, the inserting rod can be easily inserted into soil through the treading assembly, so that the manpower is greatly saved; and during disassembly, the insertion rod can be pulled out from the soil through the cooperative use of the adjusting screw rod and the connecting frame, so that quick disassembly is realized, and the working efficiency is improved.

The utility model discloses a portable remote control type control box, which relates to the technical field of control boxes and comprises a control box body, a remote controller and a back plate, a display screen and a manual control button are arranged at the front end of the control box body, a wireless communication module is arranged above the control box body, the remote controller is in wireless communication connection with the wireless communication module, and the back plate is connected with the remote controller. The back of the control box body is provided with a connecting seat, the front end of the back plate is provided with two protruding seats, the two protruding seats are arranged on the two sides of the connecting seat, the two ends of each protruding seat are each provided with a threaded hole, one side of each protruding seat is provided with a connecting bolt, and the connecting bolts correspond to the threaded holes. According to the remote control type control box, the main body and the back plate are rotationally connected, the angle of the installed remote control type control box can be conveniently adjusted in the using process, the installed remote control type control box is convenient to disassemble, and the using effect of the remote control type control box is improved.