Air spring and vehicle
A technology for air springs and vehicles, applied in the direction of springs, spring/shock absorbers, gas shock absorbers, etc., can solve the waste of the second rubber stack function, reduce the overall stability and vibration reduction effect of the air spring, and raise the center of gravity of the air spring Advanced problems, to achieve the effect of reducing elastic body failure, reducing stress, and good stress state
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Embodiment 1
[0047] an air spring such as Figure 1-Figure 9 As shown, the air spring includes an upper cover 1, an air bag 2, and an outer shock absorber 9; the air bag 2 is located between the upper cover 1 and the outer shock absorber 9, and the air bag 2 and the outer shock absorber 9 are fixed connection; the outer damper 9 is provided with a cavity 8 through its upper end; the inner damper 10 is fixed in the cavity 8 to be connected in parallel with the outer damper 9; the inner damper 10 An annular groove 7 is provided on the side surface of the upper end, that is, the notch of the groove 7 faces the shock absorber 9 outwardly.
[0048] The outer shock absorber 9 includes an outer elastic body 3, and the upper end of the outer elastic body 3 is provided with an outer support member 4; the inner shock absorber 10 includes an inner elastic body 5, and the upper end of the inner elastic body 5 is provided with a The inner support 6 , the outer support 4 is sleeved on the inner support...
Embodiment 2
[0069] Embodiment 2 has the same structure and principle as Embodiment 1. The main difference is that the gap D between the first clamping plate 41 and the lower groove wall of the groove 7 is inflated and unloaded. 1 ,D 1 >0. That is, in the state of being inflated and unloaded, there is a gap D between the first clamping plate 41 and the upper end of the inner elastic body 5 1 >0.
[0070] Under this setting, in the inflated state, the critical point load of low load and heavy load is recorded as F 1 ; when the load F≤F 1 It is a low load condition; when the load F>F 1 , it is a heavy load condition. When the air spring is set, the load F=F 1 , the distance L that the outer support 4 moves downward 1 , L 1 =D 1 . Even in the inflated state, low load and heavy load critical point load F 1 The distance L caused by the downward movement of the outer support 4 1 The gap D between the first clamping plate 41 and the upper end of the inner elastic body 5 in an airless ...
Embodiment 3
[0081] Embodiment 3 has the same structure and principle as Embodiment 1 to Embodiment 2. The main difference is that the top of the inner support 6 is higher than the top of the outer support 4 when the air spring is in an airless and unloaded state. The height difference between the top of the inner support 6 and the top of the outer support 4 is A 0 , A 0 >0.
[0082] Under the above settings, under the condition of no air and no load, the gap between the first clamping plate 41 and the upper groove wall of the groove 7 is C 0 , C 0 =0; that is, there is a gap C=C between the first clamping plate 41 and the second clamping plate 61 under the condition of no air and no load 0 =0. At this time, under no-air and no-load conditions, the first clamping plate 41 of the air spring is always in contact with the second clamping plate 61 of the inner support member 6, and under a loaded state, the second clamping plate 61 and the second clamping plate 61 are in contact with each ...
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