JPS6359734U

JPS6359734U -

Info

Publication number: JPS6359734U
Application number: JP15535786U
Authority: JP
Priority date: 1986-10-09
Filing date: 1986-10-09
Publication date: 1988-04-21

Description

[Brief explanation of the drawing]

第１図乃至第４図は第１の実施例を表わす図面
であつて、第１図は本考案に係る吸気音低減構造
を具備するフオークリフトトラツクの全体を表わ
す側面図、第２図はエンジンの吸入行程を形成す
る配管部分の斜視図、第３図は同ピラー部分の断
面図、第４図は吸気音低減構造部分の拡大断面図
である。第５図は第２の実施例を表わす図面であ
つて、吸気音低減構造部分の拡大断面図である。
又、第６図と第７図は従来構造を表わす図面であ
つて、第６図はエンジンの吸入行程を形成する配
管部分の斜視図、第７図は同ピラー部分の断面図
である。Ａ……トラツク本体、Ｂ……リフト機構、１…
…前輪、２……後輪、３……機台、４……フロン
トプロテクタ、５……運転席、６……ヘツドガー
ド、６Ａ……中空部、６Ｆ，６Ｒ……ピラー、６
Ｔ……天枠、７……インレツト、８……アウトレ
ツト、９……ルーフ、１０……アウトレツトパイ
プ、１１……エアクリーナー、１１Ａ……吸入パ
イプ、１１Ｂ……排出パイプ、１２……コネクタ
ホース、１３……エアクリーナーコネクタ、１４
……インテークマニホールド、１５……エンジン
、１６……排出ダクト、１７……エアクリーナー
ホース、１７Ａ……連結部（小径部）、１７Ｂ…
…大径部、１８……吸入ダクト、１９……アウト
レツトパイプ、１９Ａ……連結部、１９Ｂ……小
径部、１９Ｃ……大径部、２０……エアクリーナ
ーホース。 1 to 4 are drawings showing a first embodiment, in which FIG. 1 is a side view showing the entire forklift truck equipped with the intake noise reduction structure according to the present invention, and FIG. 2 is an engine FIG. 3 is a sectional view of the pillar portion, and FIG. 4 is an enlarged sectional view of the intake noise reduction structure. FIG. 5 is a diagram showing the second embodiment, and is an enlarged sectional view of the intake noise reduction structure.
Further, FIGS. 6 and 7 are drawings showing a conventional structure, in which FIG. 6 is a perspective view of a piping section forming the intake stroke of the engine, and FIG. 7 is a sectional view of the same pillar section. A... Truck body, B... Lift mechanism, 1...
...Front wheel, 2...Rear wheel, 3...Machine base, 4...Front protector, 5...Driver's seat, 6...Head guard, 6A...Hollow part, 6F, 6R...Pillar, 6
T...Top frame, 7...Inlet, 8...Outlet, 9...Roof, 10...Outlet pipe, 11...Air cleaner, 11A...Suction pipe, 11B...Exhaust pipe, 12...Connector Hose, 13... Air cleaner connector, 14
...Intake manifold, 15...Engine, 16...Exhaust duct, 17...Air cleaner hose, 17A...Connection part (small diameter part), 17B...
...Large diameter section, 18...Suction duct, 19...Outlet pipe, 19A...Connection section, 19B...Small diameter section, 19C...Large diameter section, 20...Air cleaner hose.

Claims

[Scope of utility model registration request]

In industrial vehicles such as forklift trucks, an outlet is opened near the lower end of a head guard pillar installed on the machine base, and an air cleaner is connected to the outlet via an outlet pipe and an air cleaner hose. An intake noise reduction structure for an industrial vehicle such as a forklift truck, which is formed by changing the volume of the outlet pipe or air cleaner hose having a large diameter part and a small diameter part.