JPS63185821U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本案品の第１実施例のフアンケース
への格納時の要部縦断面図、第２図は同上の伸長
時の要部縦断面図、第３図は筒状体の要部斜視図
、第４図は本案品を装備したエンジンブロアーの
側面図、第５図は本案品の第２実施例の伸長時の
要部縦断面図、第６図は従来形式に係る送風管の
フアンケースへの格納時の要部縦断面図、第７図
は同上の伸長時の要部縦断面図である。 Ｃ……フアンケース、Ｅ……エンジン、ｈ_１，
ｈ_２，ｈ_３……通孔、１２……フアン、１３……
吐出口、１４，１５，１６，２４，２５，２６…
…筒状体。 Figure 1 is a vertical sectional view of the main part of the first embodiment of the present product when it is stored in the fan case, Figure 2 is a vertical sectional view of the main part of the same when it is extended, and Figure 3 is the main part of the cylindrical body. Fig. 4 is a side view of an engine blower equipped with the proposed product, Fig. 5 is a vertical sectional view of the main part of the second embodiment of the proposed product when extended, and Fig. 6 is a blower pipe according to the conventional type. FIG. 7 is a vertical cross-sectional view of the main part of the same when it is stored in the fan case, and FIG. 7 is a longitudinal cross-sectional view of the main part of the same when it is extended. C...Fan case, E...Engine, _h1 ,
h ₂ , h ₃ ... through hole, 12 ... fan, 13 ...
Discharge port, 14, 15, 16, 24, 25, 26...
...Cylindrical body.

Claims (1)

【実用新案登録請求の範囲】 (1) エンジンＥにより駆動されるフアン１２を
収納したフアンケースＣの一側に、吐出口１３を
形成し、該吐出口１３に順次、接続され、かつ前
記フアン１２により発生せる加圧風を誘導・噴出
させる複数個の筒状体１４，１５，１６もしくは
２４，２５，２６を、前記フアンケースＣ内に積
層下に格納可能なエンジンブロアーの送風管Ｎ_１
もしくはＮ_２において、前記複数個の筒状体１４
，１５，１６もしくは２４，２５，２６の夫々の
フアン１２側端部近傍に穿設された通孔ｈ_１，ｈ
_２，ｈ_３を、筒状体１４，１５，１６もしくは２
４，２５，２６の格納に際し、重合・連通させ、
前記加圧風をフアンケースＣ外側に吐出可能とし
たエンジンブロアーの送風管。 (2) 通孔ｈ_１，ｈ_２，ｈ_３の夫々は、筒状体１
４，１５，１６もしくは２４，２５，２６の伸長
時、吐出口１３と、筒状体１４，１５もしくは２
４，２５における加圧風の出口側端部内側に設定
するようにした実用新案登録請求の範囲第１項記
載のエンジンブロアーの送風管。[Claims for Utility Model Registration] (1) A discharge port 13 is formed on one side of the fan case C housing a fan 12 driven by the engine E, and the fan case C is connected to the discharge port 13 in sequence, and A blast pipe _N1 of an engine blower in which a plurality of cylindrical bodies 14, 15, 16 or 24, 25, 26 for guiding and blowing out pressurized air generated by 12 can be stored in a stacked manner in the fan case C.
Or in _N2 , the plurality of cylindrical bodies 14
, 15, 16 or 24, 25, 26, through holes h ₁ , h drilled near the ends on the fan 12 side, respectively.
₂ , _h3 , the cylindrical body 14, 15, 16 or 2
When storing 4, 25, 26, polymerize and communicate,
A blast pipe of an engine blower capable of discharging the pressurized air to the outside of the fan case C. (2) Each of the through holes h ₁ , h ₂ , h ₃ is formed in the cylindrical body 1
4, 15, 16 or 24, 25, 26, the discharge port 13 and the cylindrical body 14, 15 or 2
4, 25. A blower pipe for an engine blower according to claim 1, wherein the blower pipe is set inside the end on the outlet side of the pressurized air.