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Damping component

A technology for components and structures, used in springs/shock absorbers, vibration suppression adjustment, mechanical equipment, etc.

Inactive Publication Date: 2012-08-01
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is sometimes difficult to change the length of the vibrating part due to the installation conditions of the structure. In this case, even if the above-mentioned dynamic vibration absorber is used, the natural vibration frequency of the dynamic vibration absorber cannot be matched with the excitation frequency generated by the vibrating equipment. get enough vibration damping

Method used

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Examples

Experimental program
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Effect test

no. 1 Embodiment approach

[0045] Below, refer to figure 2 and image 3 , the first embodiment of the present invention will be described. figure 2 It is a perspective view showing the structure of the damping member of this Example. in addition, figure 2 In , the motor 6, the gear 7, and the shaft holes 10h, 10i are omitted.

[0046] Such as figure 2 As shown, the main body 10 has a vibrating pair 20 . The vibrating pair 20 is formed by providing a cutout in the back surface 10a to reduce vibration in a direction perpendicular to the back surface 10a of the main body portion 10 due to the driving of the vibration device. image 3 yes figure 2 The vibration pair 20 is an enlarged sketch of the front. Such as figure 2 As shown, the vibrating pair 20 is formed on the back surface 10 a of the main body 10 . Such as image 3 As shown, the vibrating pair 20 has two vibrating parts 21, 22, and the two vibrating parts 21, 22 are formed by penetrating from the back surface 10a along the thicknes...

no. 2 Embodiment approach

[0076] Below, refer to Figure 7 and Figure 8 , the vibration damping member 100 of the second embodiment will be described. Such as Figure 7 As shown, the main body 110 has a vibrating pair 120 . The vibrating pair 120 serves to reduce the vibration of the main body part 110 vibrated by the driving of the vibrating device, and is formed by providing a cutout to the rear surface 110a.

[0077] Figure 8 yes Figure 7 The vibration pair 120 is an enlarged sketch of the front. Such as Figure 7 As shown, the main body 110 is formed with a recessed portion 30 that sinks from the surface of the back surface 110a toward the inside of the main body 110, and the recessed portion 30 has an inclined surface 30s as a part thereof. Here, directional vibrations are generated on the main body 110 due to the vibration of the vibrating device fixedly arranged on the main body 110 . The direction of the vibration (hereinafter, referred to as the vibration direction) is determined by...

no. 3 Embodiment approach

[0096] Below, use Figure 13 and Figure 14 , the third embodiment of the present invention will be described. Here, the description will focus on the parts that are different from the second embodiment. Figure 13 is a perspective view of the damping member of the present embodiment, Figure 14 yes Figure 13A zoomed-in sketch of the vibrating pair in side view for . In the vibration damping member 400 of the present embodiment, three recessed portions 431, 432, 433 are formed inwardly from the back surface 410a, side surfaces 410b, 410b of the main body 410 toward the inside of the main body 410. In addition, the recessed portions 431, 432, and 433 respectively have inclined surfaces 431s, 432s, and 433s as part thereof. In addition, the vibration direction (indicated by the arrow D in this embodiment) of the vibration generated by the vibration device coincides with the normal direction of the three inclined surfaces 431s, 432s, and 433s. In addition, U-shaped cutouts...

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Abstract

The present invention provides a vibration reducing component which can get adequate vibration reducing effect even that the reason of vibrating is the forced vibration of the vibratory equipment. The vibration reducing component is provided with a main body part which is used to fix and allocate the vibratory equipment. Besides, a vibratory slant plane with same vibration direction produced by the vibratory equipment at the normal direction of the main part body, a peninsula shaped lancing is provided at the inclined surface, thereby a vibrating part which can vibrate in the vibration direction is formed in the inboard part of the lancing. Therefore, it can keep the deflection of the connecting part which connects the vibrating part and the main body part as zero. Besides, as the normal direction of the vibrating part is consistent with the direction of vibrating generated by the vibratory equipment, the vibrating part can vibrate in the vibrating direction, thereby it can effectively reduce the vibration.

Description

technical field [0001] The present invention relates to a vibration damping member for reducing vibration generated by vibration equipment. Background technique [0002] High-speed rotating components such as motors, gears, and HDDs (Hard Disk Drives) are used in AV and OA equipment such as DVD (Digital Versatile Disc) and printers. In recent years, by increasing the rotation speed of these motors and gears, the speed and function of AV and OA equipment have been increased, but the accompanying increase in vibration has led to deterioration of DVD reading accuracy and from Increased noise produced by the device. Therefore, it is desired to reduce the vibration generated by a motor rotating at a high speed and the noise generated by the vibration. Patent Document 1 discloses a dynamic vibration absorber that reduces such vibrations. In the dynamic vibration absorber of Patent Document 1, a balance weight and a viscoelastic body are integrally formed, and mounted on the rot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/00
Inventor 杉本明男山口善三
Owner KOBE STEEL LTD
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