How much do you know about rubber stoppers to prevent falling and missing? Today, let's follow the Low price 20mm rubber stopper editor for a brief understanding!

A rubber stopper for preventing falling and loss includes a rubber stopper, a support plate, three bearings and a rotating rod. An annular plate is fixedly connected to the rubber stopper, a rotating shaft is fixedly connected under the support plate, and the three bearings are embedded In the trapezoidal block, the rotating rod is fixedly connected above the winding wheel through the end of the three bearings. The rubber stopper for preventing falling and loss is provided with a placement cavity, two bearings, two rotating shafts, a winding wheel, three bearings, a rotating Rod and rope, after the rubber stopper is inserted into the bottle mouth, the rotating rod rotates the take-up wheel through the three bearings, the take-up wheel rotates through the action of the second bearing and the second rotating shaft, and the rope is rolled up to prevent the rope from entanglement. When the plug is pulled out, directly pull out the rope and hold it in your hand to prevent the rubber plug from being thrown out of your hand due to the large force used to pull out the rubber plug, causing the rubber plug to fall off frequently.
The above is the low price 20mm rubber stopper Xiaobian tells: about the knowledge of rubber stoppers to prevent falling and loss.