Spherical surface labyrinth sealing system and manufacturing process
A technology of labyrinth seals and sealing systems, applied in the direction of engine seals, bearing components, engine components, etc., can solve problems such as damage
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example 1
[0059] see Figure 5 , which is a schematic diagram of the basic structure of the spherical labyrinth sealing ring formed in this example based on the above-mentioned principle scheme.
[0060] It can be seen from the figure that the spherical labyrinth sealing ring 100 mainly includes an inner ring 101 and an outer ring 102 that cooperate with each other. Wherein, both the inner ring 101 and the outer ring 102 have at least two concentric spherical plate fins, and the center of the spherical plate fin on the base of the inner ring 101 coincides with the center “o” of the bearing 200, and the outer ring 102 on the base The center of sphere of the spherical plate fin also coincides with the center of sphere "o" of the bearing 200. Thus, after the inner ring 101 and the outer ring 102 are fitted together, the spherical plate fins of the two rings are interlaced to form a spherical labyrinth channel.
[0061] When the spherical labyrinth sealing ring 100 formed in this way is u...
example 2
[0085] This example provides a further improvement on the basis of Example 1.
[0086] see Image 6 , The overall structure of the spherical labyrinth sealing ring provided in this example is the same as that of the spherical labyrinth sealing ring in Example 1, and will not be repeated here.
[0087] In this example, fine mesh damping strips 103 are formed on the surface of the spherical plate fin in the spherical labyrinth sealing ring, which can be directly formed on the surface of the spherical plate fin by corresponding printing technology.
[0088] The mesh damping strip 103 formed in this way can improve the blocking effect of the spherical channel on the passing lubricating grease. At the same time, it can also strengthen the structural rigidity of the spherical plate fin, so that the working performance of the sealing ring is more stable.
example 3
[0090] This example provides a further improvement on the basis of example 2.
[0091] see Figure 7 , In this example, the shape of the mesh damping strip mentioned in Example 2 is made into an inverted tooth shape 104 facing the outside, thereby improving the protection ability of the sealing ring against external pollutants.
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