Design Principles of Automotive Wiring Harness Protection Sleeve

The Automotive Wiring Harness Protection Sleeve is an annular cover composed of one or several parts, which is fixed on a ferrule or washer of the bearing and contacts with another ferrule or washer or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the intrusion of foreign objects . The sealing of the Automotive Wiring Harness Protection Sleeve is realized based on the contact stress between the Braided Sleeve material and the surface to be sealed and the wetting effect of the medium on the contact surface. Therefore, some common design principles can be proposed for various types of automotive wiring harness protective sleeves.

1. When choosing the Braided Sleeve and its material, the wettability between the sealed medium and the material should be considered. For the open sealing groove structure, if the medium to be sealed can fully wet the contact surface, an additional sealing effect can be obtained. But the closed sealing groove structure is the opposite.
2. Take structural measures, which can not only create the friction conditions required for the self-sealing effect, but also ensure the stability of the Braided Sleeve. the
3. The Braided Sleeve should use high elastic Cable Sleeve to keep a good sealing effect during the working process. Even in a low temperature environment, it can adapt to changes in microscopic shape to achieve sealing.
4. The Braided Sleeve should be able to form a certain contact surface between the two surfaces to be sealed without deformation to increase the contact area and ensure a certain contact pressure.