Mounting section structure for mounting dash silencer

A technology for cab and sound insulation board, which is applied in the direction of building structure, vehicle parts, transportation and packaging, etc., to achieve the effect of good sound insulation performance and easy installation.

Active Publication Date: 2013-03-27
HOWA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention aims to solve the above-mentioned problems i

Method used

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  • Mounting section structure for mounting dash silencer
  • Mounting section structure for mounting dash silencer
  • Mounting section structure for mounting dash silencer

Examples

Experimental program
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Embodiment Construction

[0030] like figure 1 , figure 2 The cab acoustic panel 1 shown is a spacer of tens of millimeters consisting of a soft layer 1a and a hard layer 1b by heating and pressurizing a fibrous layer object made of thermoplastic resin fibers, cotton, natural fibers, etc. Shape, forming a mountain-shaped slender slit 2 at the position where it needs to be installed, allowing the lower edge 3 separated by the slender slit 2 to bend toward the cab side, so that the lower edge 3 is larger than the upper edge on the driver's cab side. 4 protruding, forming a height difference. which is figure 2 In the figure, the left side of the cab soundproof panel 1 is the engine room side, the right side is the cab side, and the lower edge portion 3 is formed in a shape curved toward the cab side. 5 is a vehicle body dash panel, and 6 is a stud pin with a shaft diameter of 5 to 6 mm protruding from the cab side of the vehicle body dash panel 5 . image 3 Shown is the front view of the main part ...

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PUM

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Abstract

A mounting section structure for mounting a dash silencer in a tightly stretched state on the operating compartment-side surface of the dash panel of an automobile in order to reduce the propagation of noise generated in the engine compartment into the operating compartment is improved to facilitate the mounting of the dash silencer. A stud pin (6) is caused to protrude from the operating compartment-side surface of a dash panel (5). A chevron-shaped elongated cut (2) is formed in a mat-like dash silencer (1). The stud pin (6) is inserted through the elongated cut (2) to mount the dash silencer (1) on the operating compartment-side surface of the dash panel (5). When forming the chevron-shaped elongated cut (2) in the dash silencer (1), the lower edge (3) of the elongated cut (2) is bent toward the operating compartment so that the lower edge (3) protrudes further in a stepped shape toward the operating compartment side than the upper edge (4).

Description

[0001] technical field [0002] The present invention relates to a mounting part structure of a cab sound insulation panel (Dash silencer), specifically, the cab sound insulation panel is installed on a vehicle body dash panel (Dash panel) which separates an automobile engine room from a cab, To reduce the noise generated in the engine room into the cab. [0003] Background technique [0004] Cab sound insulation panels are generally large spacer-shaped (about 1400mm×700mm) parts made of fiber layer objects such as felt and glass wool, and porous synthetic resin materials such as artificial rubber. like Figure 11 As shown, a through hole 100 for penetrating a steering wheel shaft, a glove box, etc., and a plurality of round holes 200 for installation are formed on the sound insulation panel of the cab. In the automobile assembly factory, the cab sound insulation board is bent into a curved state by the operator and put into the vehicle body, and the round hole 200 is inse...

Claims

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Application Information

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IPC IPC(8): B60R13/08
CPCB60R13/083E04B1/8409
Inventor 山本博见座田修一
Owner HOWA CO LTD
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