3results about How to "With safety protection function" patented technology

The utility model discloses a carbon black muffle furnace with safety protection function, including muffle furnace body, the inside of muffle furnace body is provided with heating cavity, the lateral wall of heating cavity is provided with the chute, the inner wall sliding connection of chute has the movable block, one end fixed connection of movable block has the placing plate, and another end of movable block installs the mobile mechanism with placing plate cooperation. In the utility model, through setting the placing plate, chute and mobile mechanism, through the rotation handle, the movement of connecting block can be driven through screw rod, drives the unfolding or folding of scissor fork frame to move placing plate and movable block along the chute, can move out the inside of muffle furnace body outward, convenient to use, save time and effort, also can avoid the operator from inside and take the material, and the scalding accident occurs, and the operation is more safe, simultaneously, when along with the chute and move the crucible that is equipped with carbon black, can keep stable, guaranteeed the stability when the crucible moved out.

The utility model relates to student apartment bed technical field, especially student apartment bed with safety protection function. The utility model provides such student apartment bed with safety protection function, including support frame, table board, bed board, step, drawer, rotating lever and rotary plate, two support frames of right side are commonly provided with table board, and the top of multiple support frames is commonly provided with bed board, and the support frame of right side is provided with step, and the bottom of table board is provided with drawer in sliding mode, and the right side of middle support frame is rotatably provided with two rotating levers, and the rotating lever is fixedly connected with rotary plate, further including rail, connecting rod and damping ring, and the front side and left side of bed board are provided with rail, the top of rail is fixedly connected with connecting rod, and two damping rings are sleeved on the connecting rod. The protection plate can be rotated to the vertical state, and the rail forms a continuous, high-position safety protection barrier, effectively preventing students from falling out of bed when turning over in sleep.

The utility model discloses a kind of steamers with water shortage power-off function, including main control module, for receiving the water level sensor transmission water shortage signal, and according to preset program, control buzzer to send alarm and power-off;Water level sensor, output end is connected with the input end of main control module, for real-time detection the water level height in water tank, when water tank water level is lower than its water level sensing end setting position, generate water shortage signal and send it to main control module;Buzzer, input end is connected with the output end of main control module, receives the alarm control instruction of main control module.The utility model has solved the problem that electrode type sensor relies on conductive liquid and electric shock hidden danger, without needing to carry out hole modification to water tank, reduce the complexity of production process, avoid the risk of water leakage caused by hole simultaneously, prevent accidental scald or component damage and greatly reduce the beneficial effects such as safety hazards in use process.