Non-linear hourglass type auxiliary spring
An auxiliary spring, non-linear technology, used in springs, springs/shock absorbers, mechanical equipment, etc. made of plastic materials, can solve problems such as high stiffness, achieve low cost, and solve the deflection difference between heavy load and no-load. Large, increase the effect of compression nonlinearity
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Embodiment 1
[0016] The non-linear hourglass auxiliary spring of this embodiment comprises a support 1, a rubber 2 and a bottom plate 3, the support 1 is an inverted convex structure, the bottom surface of the support 1 is provided with a downward support column 7, and the support 1 The bottom surface is an inner concave surface; the center of the rubber 2 is provided with a concave hole matching the support column 7, and the rubber 2 wraps the entire support column 7 through the concave hole, and the edge of the rubber 2 is an inclined ellipsoid structure, and the top of the rubber 2 is in contact with the support column 7. The inner concave surface of seat 1 is in contact.
Embodiment 2
[0018] The non-linear hourglass auxiliary spring of the present embodiment is the same as embodiment 1 except the following differences:
[0019] The edge of the inner concave surface of the support 1 is arc-shaped, and when the heavy load is compressed, the rubber 2 and the support 1 change from line contact to surface contact, and the arc-shaped edge of the support 1 can completely fit the rubber 2; the support 1 and the rubber 2 is vulcanized into a whole through the support column 7 and the concave hole.
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