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Bus door structure and sound insulating plate

A technology for sound insulation panels and doors, which is applied in the directions of doors, vehicle parts, and engine sealing, can solve problems such as defective sound insulation effects and difficult installation, and achieve the effects of improving sound insulation effects and reducing noise.

Inactive Publication Date: 2003-09-17
NISHIKAWA RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the sound insulation effect in the prior art is defective because the hard felt pad 2, urethane, gasket material, and sound insulation cover are all separated from the inner door panel or door liner, and they are installed only on the door liner. 1 or a small area inside the door inner panel
[0008] In addition, there are difficulties in its installation, because it must be installed on a certain area of ​​the inner door panel or door lining

Method used

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  • Bus door structure and sound insulating plate
  • Bus door structure and sound insulating plate
  • Bus door structure and sound insulating plate

Examples

Experimental program
Comparison scheme
Effect test

no. 4 example

[0110] as attached figure 2 With the first embodiment of the invention shown, there is a problem that both sides of the baffle panel 20 or its lower end protrude from the door liner 12 when the baffle panel 20 is secured by the raised ends and hangs down.

[0111] In this case, the sound insulation panel 20 protrudes from the door lining 12, the overall appearance of the car door will be damaged, and its sound insulation effect will also be damaged.

[0112] Therefore, the purpose of the fourth embodiment of the present invention is to tightly fix the end of the baffle disposed between the door inner panel and the door liner, and to position the baffle so as not to protrude from the door liner.

[0113] Refer to attached Figure 12 with 13 , the fourth embodiment of the car door structure of the present invention will be described below. attached Figure 12 is an exploded perspective view showing the door structure of a passenger car according to a fourth embodiment of th...

no. 5 example

[0117] Refer to the attached Figure 14-16 A vehicle door structure in a fifth embodiment of the present invention will be described. attached Figure 14 is a perspective view showing a door structure for a car according to a fifth embodiment of the present invention. attached Figure 15 An enlarged cross-sectional view of the attached Figure 14 Major components in the structure shown. In addition, with Figure 16 The perspective view shows the attached Figure 15 Clamping addition to the clip shown in .

[0118] According to the car door structure in this embodiment, as attached Figure 14 As shown, the acoustic panel 20 is provided with clips 40 on its side as its fixing means, instead of using pins 39 as described in the fourth embodiment.

[0119] Each clip 40 includes a head 42 that protrudes above the neck, an umbrella 43 that protrudes below the neck 41 is larger in size than the head 42, and a leg 44 is formed on the umbrella. 43 below.

[0120] as attached ...

no. 6 example

[0123] The purpose of the sixth embodiment of the present invention is similar to that of the fourth embodiment, in order to securely secure the edge portion of the baffle panel depending from between the door inner panel and the door liner, and to position the panel so that it does not protrude from the door liner. stand out.

[0124] Refer to attached Figure 17 , 18 and 19, the car door structure in the sixth embodiment of the present invention will be described below.

[0125] attached Figure 17 The perspective view of shows the car door structure in the sixth embodiment of the present invention. attached Figure 18 is attached Figure 17 An enlarged cross-sectional view of line F-F in . attached Figure 19 The sectional view of shows the situation when the baffle is pressed into the groove and fixed in it. along with Figure 17 The enlarged sectional view made by the E-E line and the attached in the first operation form figure 2 Corresponding.

[0126] The sa...

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PUM

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Abstract

A car door structure, which includes a door inner protection panel 11 , an inner door lining 12 and a sound insulation board 20 . The inner door liner 12 is installed inside the door inner panel 11 . The sound insulation panel 20 is provided between the door inner panel 11 and the door liner 12 , wherein the sound insulation panel hangs like a door curtain from the upper side of the door inner panel to the lower side thereof. The sound insulation panel 20 is fixed to both the door inner panel 11 and the door liner 12 . The sound insulation panel 20 is arranged on the upper half or the lower half of the door inner panel 11, or when the door inner panel 11 is divided into three parts in the vertical or horizontal direction, it is arranged on the door inner panel Middle part of 11.

Description

Background technique [0001] Field of invention [0002] The invention relates to a car door structure, which includes a car door inner shield and a car door lining, and the car door structure is provided with a sound insulation board. [0003] current technology [0004] Usually, as shown in FIG. 27, a door inner liner installed on the inner side of the door inner panel is provided with a hard felt pad 2 or polyurethane on the back thereof, or the inner door panel is provided with polyurethane foam to protect the car door. The interior of the 100 provides adequate sound insulation. [0005] For example, Japanese Laid-Open Utility Model Publication No. 5-23376 discloses a door trim cover with a cushion material made of polyurethane foam or the like. Furthermore, Japanese Laid-Open Patent Publication No. 10-119159 discloses a soundproof covering formed of polyurethane foam. [0006] 【Purpose of the invention】 [0007] However, the sound insulation effect in the prior art is...

Claims

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Application Information

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IPC IPC(8): B60J5/04B60J10/00B60J10/04B60R13/08
CPCB60J5/0418B60J5/0468B60R13/0815B60J10/265B60J10/30B60J10/75
Inventor 小原义弘荒田光昭矶部政美马场英一小林建夫绳手浩二宫原宽明江盛真一郎
Owner NISHIKAWA RUBBER
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