JPH02144889U - - Google Patents
Info
- Publication number
- JPH02144889U JPH02144889U JP5358789U JP5358789U JPH02144889U JP H02144889 U JPH02144889 U JP H02144889U JP 5358789 U JP5358789 U JP 5358789U JP 5358789 U JP5358789 U JP 5358789U JP H02144889 U JPH02144889 U JP H02144889U
- Authority
- JP
- Japan
- Prior art keywords
- cab
- driver
- substrate
- air chamber
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003584 silencer Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図はこの考案にかかる請求項第１項の消音
装置をそなえた運転室の要部切欠き側面図、第２
図は第１図のＡ部詳細図、第３図、第４図、第５
図はそれぞれこの考案を請求項第１項消音装置を
そなえた運転室の切欠き斜視図、第６図は油圧シ
ヨベルの側面図、第７図は従来技術運転室の一部
切欠き斜視図、第８図は内装材の一部たて断面図
である。
３，１７，３３，３６……運転室、４，１８，
３１，３４……キヤブ構造体、１０，２２……基
板、１１，２３……吸音用窓穴部、１２，２４…
…吸音材、１５，２７……背後空気層、１６……
消音装置、１９，３２，３５……空気室用箱体、
２０……蓋体、３７……小物入れボツクス部。
Fig. 1 is a cutaway side view of a main part of a driver's cab equipped with a silencer according to claim 1 of this invention;
The figures are a detailed view of part A in Figure 1, Figures 3, 4, and 5.
The figures show this invention in claim 1: a cutaway perspective view of a driver's cab equipped with a noise muffling device; FIG. 6 is a side view of a hydraulic excavator; FIG. 7 is a partially cutaway perspective view of a prior art driver's cab; FIG. 8 is a partially vertical sectional view of the interior material. 3, 17, 33, 36... Driver's cabin, 4, 18,
31, 34... Cab structure, 10, 22... Substrate, 11, 23... Sound absorption window hole, 12, 24...
...Sound absorbing material, 15,27...Back air layer, 16...
Silencer, 19, 32, 35... air chamber box,
20... Lid body, 37... Accessory box section.
Claims (1)
体を突出して設け、また上記キヤブ構造体と箱体
との境界面開口部に蓋体を設け、その蓋体の板厚
方向に基板、吸音材および緩衝材を積層接着する
とともに、上記基板に吸音用窓穴部を穿設して構
成したことを特徴とする運転室の消音装置。 (2) 前記運転室に設けている小物入れボツクス
部、空間部などを背後空気層として用いる空気室
用箱体に設定して形成したことを特徴とする実用
新案登録請求の範囲第１項記載の運転室の消音装
置。[Scope of Claim for Utility Model Registration] (1) An air chamber box body is provided protruding from the outside of the cab structure of the driver's cab, and a lid body is provided at the interface opening between the cab structure and the box body, 1. A sound damping device for a driver's cab, characterized in that a substrate, a sound absorbing material, and a buffering material are laminated and bonded in the thickness direction of the lid body, and a sound absorbing window hole portion is bored in the substrate. (2) Claim 1 of the Utility Model Registration Claim characterized in that the accessory box, space, etc. provided in the driver's cab are formed as an air chamber box used as a rear air layer. silencer in the driver's cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5358789U JPH02144889U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5358789U JPH02144889U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144889U true JPH02144889U (en) | 1990-12-07 |
Family
ID=31574902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5358789U Pending JPH02144889U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144889U (en) |
-
1989
- 1989-05-09 JP JP5358789U patent/JPH02144889U/ja active Pending
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