The parking space floor lock is a mechanical device installed on the ground to prevent others from occupying the parking space, so it is called the floor lock, also called the parking space lock. The origin of the development of parking space lock is that with the rapid development of China's economy and the continuous improvement of the national economic level, cars are more and more widely used as a means of transportation. In recent years, a large number of cars have led to a sharp shortage of parking spaces, which has led to the rise in the price of parking spaces. At the same time, in some free parking communities or parking lots, there will be a situation of space grabbing; Some car owners spend money to rent parking spaces to ensure that their own parking spaces will not have nowhere to park. However, the occupied parking spaces make car owners complain incessantly, and the parking lock is their savior.