Have you noticed the sealing brush strip on the bus door? _common problem

As one of the main means of transportation in the city, buses provide services for citizens' travel every day and undertake the main tasks of urban transportation. On buses that are commonplace, there are also sealing brush strips that quietly play a role. Have you noticed? The door on the bus needs to be opened and closed, so it needs to leave a gap with the steps of the car body. The sealing brush strips are usually installed at the top and bottom of the front and rear doors of the bus. Many people have not noticed its existence, but this is not the case. The eye-catching brush strips play a big role! First of all, it is an energy-saving and heat-insulating function. According to statistics, the installation of brush strips can effectively block 98.5 air loss. In summer, the air conditioner in the car is open, and the bus door is opened and closed frequently. The installation of the sealing brush strip can well 'enclose' the space in the car, prevent the loss of air-conditioning in the car, and keep the temperature inside the car within a certain range Inside, reduce resource waste, energy saving and environmental protection. ; And in winter, it can keep the car warm and enjoy a good ride comfort. Secondly, it can prevent water and dust. On a rainy day, when passing through puddles on the road, the raised water is easy to splash into the car. The sealing brush strip is installed to prevent rainwater from penetrating into the car, and when the car is driving, it can also effectively block the dust on the road from entering the car. , Effectively maintain a clean riding environment. Finally, the sealing brush strip also has a protective function. Everyone who has passed the bus knows that in a crowded situation, the area where the door opens and closes will be full of passengers. Installing a sealing brush at the bottom of the bus door can prevent passengers' clothing or other items from being jammed by the door and causing safety accidents. Of course, the sealing brush strips are not only used on the door bodies of buses, but also installed and used on screen doors such as subways and high-speed rails. I wonder if you have noticed it. Of course, different applications have different technical requirements for the brush strips, and the same products cannot be used in the same way.