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The curtains in high-speed rail passenger rooms are all frame-type sunshades with a chute. This style of sunshade can be lowered in the chute by just pulling down, and it can be pushed up when it rises. In the process of pushing up and pulling down, it can Stop at any position without any noise.

The curtains on high-speed trains and high-speed trains are push-pull up and down. If you want to pull it up, just hold the middle part under the curtain and push it up.

Sunshades can be used to effectively block the sunlight coming from the windows of high-speed trains and increase people's comfort. The existing motor vehicle-mounted sunshade is assembled according to the sunshade technology. Each component is first assembled into a semi-finished product, and finally each component is assembled. The torsion spring preload on the end seat needs to be pre-set before the end seat is riveted to the shell, and then Close and rivet.

When the mutual assembly gap value of the components is unstable, it will cause the initial torsion spring torque force of the roller blind recycling to not meet the inspection requirements. The riveting between the parts must be disassembled and the torsion spring preload force must be readjusted. This assembly process is backward and restricts the improvement of production efficiency. and product quality.

There is a new technical solution that can replace some of the problems existing in existing sunshades. This shade uses a built-in steel strap spring mechanism. Utilizing the elasticity of the steel strip spring, the roller blind can be balanced at any position under the action of the spring assembly to achieve the purpose of hovering at any time.

It eliminates the need for complicated components in the sunshade, and the installation is very simple. You only need to insert the spring system into the aluminum tube, pull out the pin, release the elastic force evenly, then install the end cap, adjust the tension, and the entire installation process is complete.

The dynamically stable belt spring mechanism has a long service life because its attenuation will be relatively low. Even if it is placed for a long time, the characteristics of the spring will not change much.

Since it is a built-in mechanism, more design options can be designed for the appearance. There are no big restrictions in terms of height and width. It can be used in a variety of places, such as business office building roller blinds, hotel roller blinds, restaurant roller blinds, office roller blinds, and home roller blinds. It is especially suitable for large-area glass curtain wall roller blinds. curtain.