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Protective tube for coil spring of vehicle suspension device

一种悬浮装置、螺旋弹簧的技术，应用在车辆弹簧、弹簧、车辆部件等方向，能够解决保护管20工作性能差、保护管没有得到固定等问题

Inactive Publication Date: 2012-07-11
DONG YANG PHYSICS & CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This creates a problem that the movement of the helical spring may cause the protection tube 20 to rotate around the helical spring without being fixed.
Therefore, it is necessary to solve this problem that can lead to poor working performance of the protective tube 20

Method used

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  • Protective tube for coil spring of vehicle suspension device
  • Protective tube for coil spring of vehicle suspension device
  • Protective tube for coil spring of vehicle suspension device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings

[0026] The present invention provides a protective tube for a coil spring of a suspension device of a vehicle, which includes: an annular body part with two ends separated from each other, a plurality of ventilation holes formed to penetrate the upper and lower parts of the tubular body part, and a plurality of ventilation holes formed along the length direction of the tubular body part. A cutout portion, wherein the cutout portion includes a pair of upper and lower wings protruding from the tubular body and connected to each other by high frequency welding.

[0027] image 3 is a perspective view showing a state where a protection tube according to an exemplary embodiment of the present invention is mounted on a coil spring of a vehicle suspension device. Such as image 3 As shown, the protection tube 10 is mounted on each of the upper and lowe...

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PUM

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Abstract

Disclosed is a protective tube for a coil spring of a vehicle suspension device. The protective tube includes a cut-out portion through which the coil spring is fitted therein. The cut-out portion has a pair of upper and lower outwardly protruding wings. The wings are joined to each other by high-frequency welding. The protective tube prevents foreign materials from entering the cut-out portion. In addition, the protective tube is easy to manufacture by molding.

Description

technical field [0001] The present invention relates to a protection tube for a coil spring of a vehicle suspension device, and more particularly, to a protection tube formed with a cutout portion formed by a wing, through which a coil spring of a vehicle suspension device is installed in the protection tube to Prevent the entry of foreign objects and achieve better durability. Background technique [0002] In general, a suspension device installed on a vehicle absorbs the shock applied to the wheels during driving to protect the driver and other interior devices of the vehicle from vibration while providing comfort to the driver. [0003] Leaf springs or coil springs have been used in suspensions. In particular, coil springs are installed on most passenger cars. In view of this situation, much research and development has been carried out on coil springs for vehicle suspension devices. [0004] figure 1 is a schematic diagram of an exemplary vehicle suspension device ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G11/16
CPCB60G2206/73B60G2204/124B60G2202/12F16F2230/10F16F1/024F16F1/12B60G11/16B60G2204/41B60G11/14B29C65/08
Inventor 李源植
Owner DONG YANG PHYSICS & CHEM