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Parallel type internal and external combined shock absorber

A technology of parallel connection and shock absorber, which is applied in the direction of spring/shock absorber, low internal friction spring, vibration suppression adjustment, etc. It can solve problems such as not considering resonance and difficult to achieve vibration reduction effect

Active Publication Date: 2021-09-21
徐庆利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This scheme does not take into account that two sets of identical springs are prone to resonance, and it is difficult to achieve a good vibration damping effect under the condition of constant frequency

Method used

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  • Parallel type internal and external combined shock absorber
  • Parallel type internal and external combined shock absorber
  • Parallel type internal and external combined shock absorber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 As shown, a parallel internal and external combined shock absorber is made, including an upper base plate 1, a lower base plate 2 and a damping main body 3, and the shock absorbing main body 3 is fixedly installed between the upper base plate 1 and the lower base plate 2, and the upper base plate 1 An upper seat hole 32 is fixedly installed above the base plate 1 , and a lower seat hole 33 is fixedly installed below the lower base plate 2 .

[0041] The external vibration damping mechanism 4 includes three sections of springs and two frame tubes 15, the three sections of springs are respectively small-diameter compression springs 6, medium-diameter extension springs 7 and large-diameter compression springs 8, and the two frame tubes 15 are respectively small-diameter Frame tube 9 and large-diameter frame tube 10; the outer diameter of described small-diameter compression spring 6 is less than the inner diameter of middle-diameter extension spring 7, and...

Embodiment 2

[0046] Such as Figure 4 As shown, on the basis of embodiment 1, the outer diameter of described small-diameter compression spring 6 is made equal to the inner diameter of middle-diameter extension spring 7, and the outer diameter of described middle-diameter extension spring 7 is made equal to large-diameter compression spring 8 inner diameter.

[0047] Make the free length Z1 of the small-diameter compression spring 6 , the free length Z2 of the middle-diameter extension spring 7 and the free length Z3 of the large-diameter compression spring 8 equal.

[0048] Add the length K1 of the small-diameter frame tube 9 to the sum of the length K2 of the large-diameter frame tube 10 to make it equal to the free length Z1 of the small-diameter compression spring 6 plus the free length Z3 of the large-diameter compression spring 8 plus twice the middle The sum of the free length Z2 of diameter extension spring 7, namely K1+K2=Z1+Z3+2Z2.

[0049] Make the adhesion length M1 of the sm...

Embodiment 3

[0054] As shown in each figure, the manufacturing method of the parallel internal and external combined shock absorber includes the following steps:

[0055] (1) Take three springs, the diameters of the three springs are different, and two of them are compression springs, and one is a tension spring, which are respectively small-diameter compression spring 6, medium-diameter tension spring 7 and large-diameter compression spring 8. The three springs are Both ends are respectively provided with a circle of seat ring; on the outer wall of the small diameter compression spring 6 right end seat ring, the outer annular limit stopper 11 is welded, and the outer annular limit stopper 11 is connected with the middle diameter tension spring 7 left end seat ring Welding, make the right end seat ring of small-diameter compression spring 6, the outer annular stopper 11 and the left end seat ring of medium-diameter extension spring 7 jointly form small-diameter seat ring 12; Weld the inner...

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Abstract

The invention discloses a parallel type internal and external combined shock absorber, and belongs to the technical field of auto parts. The parallel type internal and external combined shock absorber comprises an upper base plate, a lower base plate and a shock absorption body, wherein the shock absorption body comprises an external connection shock absorption mechanism and an internal connection shock absorption mechanism; the external connection shock absorption mechanism comprises a small-diameter pressure spring, a medium-diameter tension spring and a large-diameter pressure spring which jointly form a tandem type large-small-diameter tension-compression spring, and a small-diameter frame cylinder and a large-diameter frame cylinder are inserted into the tandem type large-small-diameter tension-compression spring in a sleeving mode to form the external connection shock absorption mechanism; the internal connection shock absorption mechanism is formed by sequentially connecting a first damper, a first inerter, a second inerter and a second damper in series; and the internal connection shock absorption mechanism is sleeved with the external connection shock absorption mechanism to form the shock absorption body, and the shock absorption body is fixedly connected between the upper base plate and the lower base plate to form the parallel type internal and external combined shock absorber. The parallel type internal and external combined shock absorber has the beneficial effects that the vibration frequency can be mixed, the frequency and the amplitude are induced to be converted, the vibration is converted into low-frequency vibration, the vibration in the running process of the automobile is continuously reduced, and the riding comfort of the automobile is improved.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a parallel type internal and external combined shock absorber for new energy vehicles. Background technique [0002] The automobile shock absorber can quickly attenuate the vibration between the frame and the body, so that the car has stability and comfort during driving, and is an important part of the automobile suspension system. [0003] The existing automobile shock absorber adopts the combined structure of hydraulic oil cylinder and spring. The hydraulic piston moves up and down in the working cylinder, so that the shock absorber oil repeatedly flows from one cavity through the pores to the other cavity, and passes through the gap between the hole wall and the oil. Friction and friction between oil molecules generate damping force for vibration, and the resulting compression damping and buffer spring together buffer the impact to achieve vibration reduction. [0004] Ex...

Claims

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Application Information

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IPC IPC(8): F16F15/067F16F15/023F16F15/30F16F3/04
CPCF16F15/067F16F15/023F16F15/30F16F3/04
Inventor 徐庆利何光辉
Owner 徐庆利
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