JP2005163751A - Power blower - Google Patents

Power blower Download PDF

Info

Publication number
JP2005163751A
JP2005163751A JP2003407555A JP2003407555A JP2005163751A JP 2005163751 A JP2005163751 A JP 2005163751A JP 2003407555 A JP2003407555 A JP 2003407555A JP 2003407555 A JP2003407555 A JP 2003407555A JP 2005163751 A JP2005163751 A JP 2005163751A
Authority
JP
Japan
Prior art keywords
fan
blower
power blower
suction port
handle
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.)
Granted
Application number
JP2003407555A
Other languages
Japanese (ja)
Other versions
JP4287260B2 (en
Inventor
Akito Saito
明人 斎藤
Masayuki Yoneyama
正行 米山
Koichi Hirakawa
浩一 平川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Kaaz Corp
Original Assignee
Honda Motor Co Ltd
Kaaz Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd, Kaaz Corp filed Critical Honda Motor Co Ltd
Priority to JP2003407555A priority Critical patent/JP4287260B2/en
Publication of JP2005163751A publication Critical patent/JP2005163751A/en
Application granted granted Critical
Publication of JP4287260B2 publication Critical patent/JP4287260B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To allow sucking of sufficient air from an intake port by resolving a problem that it is hard to secure an opening area of the intake port. <P>SOLUTION: A power blower is of a type that the intake port 17 for sucking air is formed in a side of a fan housing 12 and this intake port 17 is covered with a fan cover 18 having an opening 56 for introducing air (see Figure 3). A plurality of reinforcing ribs 35 and reinforcing ribs 36 are radially formed around the intake port 17 for reinforcing the intake port 17 and edges 59 of the fan cover 18 are opposed to or abutted against these reinforcing ribs 35 and the reinforcing ribs 36. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、ファンカバーの剛性を確保しつつ十分に空気の取入れを行うことができる動力送風機に関するものである。   The present invention relates to a power blower that can sufficiently take in air while ensuring the rigidity of a fan cover.

動力送風機として、送風ファンの後方から若しくは送風ファンの側方から空気の取入れ、送風ファンの前方に空気を吐出す動力送風機(ブロア)が実用に供されている。
実用の動力送風機は、ファンハウジングに送風ファンを収納し、ファンハウジングの一方側から空気を取入れ、ファンハウジングの他方側に空気を吐出すようにすれば実用上十分であった。
As a power blower, a power blower (blower) that takes in air from behind the blower fan or from the side of the blower fan and discharges air to the front of the blower fan is practically used.
A practical power blower is practically sufficient if a blower fan is housed in a fan housing, air is taken in from one side of the fan housing, and air is discharged to the other side of the fan housing.

このような動力送風機として、ファンハウジングの側部後方から空気を取入れ、この空気を前方のノズルから吐出すものが知られている(例えば、特許文献1参照。)。
実公平2−11446号公報(第2頁、図2)
As such a power blower, one that takes in air from the rear side of the fan housing and discharges the air from a front nozzle is known (for example, see Patent Document 1).
Japanese Utility Model Publication No. 2-11446 (2nd page, FIG. 2)

図12は従来の基本構成を説明する図であり、動力送風機200は、ファンハウジング202に送風ファン203を収納し、ファンハウジング202に外付けした原動機204で送風ファン203を駆動し、ファンハウジング202の側部後方にエアを吸入する吸込口205を設けるとともにファンハウジング202の前方に空気を吐出する吐出ダクト206を設け、吸込口205にカバー部材(ファンカバー)207を設けたブロア(携帯型送風機)である。   FIG. 12 is a diagram for explaining a conventional basic configuration. A power blower 200 houses a blower fan 203 in a fan housing 202 and drives the blower fan 203 with a motor 204 externally attached to the fan housing 202. A blower (portable blower) in which a suction port 205 for sucking air is provided at the rear side of the fan, a discharge duct 206 for discharging air is provided in front of the fan housing 202, and a cover member (fan cover) 207 is provided in the suction port 205. ).

しかし、動力送風機200では、側部後方から空気を吸入するものなので、開口面積を十分に確保しようとする場合には、動力送風機200の厚みが増す。従って、エアの吸込量を十分に確保しにくいという問題があった。
また、動力送風機200では、作業中にファンハウジング202やカバー部材207を構造物にぶつけることがあるため、特に吸込口205廻りを十分に補強する必要がある。
However, since the power blower 200 sucks air from the rear side, the thickness of the power blower 200 increases when it is desired to secure a sufficient opening area. Therefore, there is a problem that it is difficult to ensure a sufficient amount of air suction.
Further, in the power blower 200, the fan housing 202 and the cover member 207 may hit against the structure during the operation, so that it is particularly necessary to reinforce around the suction port 205 sufficiently.

すなわち、十分な空気の吸込みを可能にするとともに、吸込口廻りを十分に補強することができる動力送風機が望まれる。   That is, a power blower that can sufficiently suck in air and can sufficiently reinforce around the suction port is desired.

本発明は、吸込口の開口面積を確保しにくい点を解決し、吸込口から十分にエアを吸入することができる動力送風機を提供すること、及び吸込口廻りを十分に補強することのできる動力送風機を提供することを課題とする。   The present invention solves the problem that it is difficult to secure the opening area of the suction port, provides a power blower that can sufficiently suck air from the suction port, and power that can sufficiently reinforce the periphery of the suction port It is an object to provide a blower.

請求項1に係る発明は、ファンハウジングの側方にエアを吸込む吸込口を設け、この吸込口にエアを導く開口を備えたファンカバーを被せた形式の動力送風機において、吸込口の周囲に、吸込口を補強するために複数の補強リブを放射状に形成し、これらの補強リブにファンカバーのエッジを対向させる若しくは当接させるようにしたことを特徴とする。   The invention according to claim 1 is a power blower of a type in which a suction port for sucking air is provided on the side of the fan housing and a fan cover provided with an opening for guiding air to the suction port is covered. In order to reinforce the suction port, a plurality of reinforcing ribs are formed radially, and the edge of the fan cover is made to face or abut against these reinforcing ribs.

すなわち、吸込口の周囲に、吸込口を補強するために複数の補強リブを放射状に形成し、これらの補強リブにファンカバーのエッジを対向させる若しくは当接させるようにすることで、ファンカバーの変形や破損を簡易に防止することができる。   That is, a plurality of reinforcing ribs are radially formed around the suction port to reinforce the suction port, and the edge of the fan cover is made to face or abut against these reinforcing ribs. Deformation and breakage can be easily prevented.

また、吸込口を補強するために複数の補強リブを放射状に形成することで、隣り合う補強リブの間を空洞にすることができ、この空洞から吸込口へエアの吸入することができる。   Further, by forming a plurality of reinforcing ribs radially to reinforce the suction port, it is possible to make a space between adjacent reinforcing ribs, and air can be sucked into the suction port from this cavity.

請求項2に係る発明は、補強リブを、ファンカバーの外形よりも外方へ延ばして形成したことを特徴とする。
補強リブを、ファンカバーの外形よりも外方へ延ばして形成することで、外力によりファンカバーが径方向に大きく変形した場合にも確実にファンカバーを受けることができる。
The invention according to claim 2 is characterized in that the reinforcing rib is formed to extend outward from the outer shape of the fan cover.
By forming the reinforcing rib so as to extend outward from the outer shape of the fan cover, the fan cover can be reliably received even when the fan cover is greatly deformed in the radial direction by an external force.

請求項1に係る発明では、吸込口の周囲に、吸込口を補強するために複数の補強リブを放射状に形成し、これらの補強リブにファンカバーのエッジを対向させる若しくは当接させるようにしたので、ファンカバーの変形や破損を簡易に防止することができる。この結果、動力送風機の重量の増加を最小限に押えることができ、動力送風機の使い勝手を確保することができるという利点がある。   In the invention according to claim 1, a plurality of reinforcing ribs are formed radially around the suction port in order to reinforce the suction port, and the edge of the fan cover is made to face or abut against these reinforcing ribs. Therefore, deformation and breakage of the fan cover can be easily prevented. As a result, an increase in the weight of the power blower can be suppressed to the minimum, and there is an advantage that the usability of the power blower can be ensured.

また、吸込口を補強するために複数の補強リブを放射状に形成したので、隣り合う補強リブの間を空洞にすることができ、この空洞から吸込口へエアの吸入することができる。 この結果、エア吸込量の効果的な増量を図ることができ、動力送風機の送風能力を向上させることができるという利点がある。   Further, since the plurality of reinforcing ribs are formed radially to reinforce the suction port, the space between the adjacent reinforcing ribs can be made a cavity, and air can be sucked into the suction port from this cavity. As a result, there is an advantage that the air intake amount can be effectively increased and the air blowing capability of the power blower can be improved.

請求項2に係る発明では、補強リブを、ファンカバーの外形よりも外方へ延ばして形成したので、外力によりファンカバーが径方向に大きく変形した場合にも確実にファンカバーを受けることができる。
この結果、ファンカバーの変形や破損の防止効果を高めることができるという利点がある。
In the invention according to claim 2, since the reinforcing rib is formed to extend outward from the outer shape of the fan cover, the fan cover can be reliably received even when the fan cover is greatly deformed in the radial direction by an external force. .
As a result, there is an advantage that the effect of preventing deformation and breakage of the fan cover can be enhanced.

本発明を実施するための最良の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図1は本発明に係る動力送風機の左側面図であり、動力送風機(携帯型送風機)10は、ファンハウジング12と、このファンハウジング12に収納した送風ファン13と、この送風ファーン13を駆動するためにファンハウジング12に外付けした原動機14と、ファンハウジング12からエアを吐出するためにファンハウジング12の吐出口15に取付けた吐出ダクト(送風管)16と、ファンハウジング12の吸込口17に取付けたファンカバー18と、ファンハウジング12の上部に取付けた主取っ手(ハンドル)19と、を主要構成とするブロアである。
なお、機体11は、ファンハウジング12、ファンカバー18及び主取っ手19から構成する。
The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a left side view of a power blower according to the present invention. A power blower (portable blower) 10 drives a fan housing 12, a blower fan 13 housed in the fan housing 12, and the blower fann 13. For this purpose, a motor 14 externally attached to the fan housing 12, a discharge duct (blower pipe) 16 attached to the discharge port 15 of the fan housing 12 for discharging air from the fan housing 12, and a suction port 17 of the fan housing 12 The blower includes a fan cover 18 attached and a main handle (handle) 19 attached to an upper portion of the fan housing 12 as main components.
The airframe 11 includes a fan housing 12, a fan cover 18, and a main handle 19.

図2は本発明に係る動力送風機の右側面図であり、原動機14は、原動機14を始動するためのリコイルスタータ用ノブ23と、原動機14に供給する燃料を貯留する燃料タンク24と、この燃料タンク24の給油口25に被せるキャップ26と、原動機14を覆う原動機カバー27と、を備える汎用エンジンである。   2 is a right side view of the power blower according to the present invention. The prime mover 14 includes a recoil starter knob 23 for starting the prime mover 14, a fuel tank 24 for storing fuel to be supplied to the prime mover 14, and the fuel. This is a general-purpose engine including a cap 26 that covers the fuel filler opening 25 of the tank 24 and a motor cover 27 that covers the motor 14.

図3は本発明に係る動力送風機の主要部品を示す分解斜視図である。
ファンハウジング12は、ファンカバー18を取付ける左ファンハウジング31と、原動機14(図1参照)を取付ける右ファンハウジング32と、から構成する。
FIG. 3 is an exploded perspective view showing main parts of the power blower according to the present invention.
The fan housing 12 includes a left fan housing 31 to which the fan cover 18 is attached and a right fan housing 32 to which the prime mover 14 (see FIG. 1) is attached.

左ファンハウジング31は、エアを吸入する吸込口17と、ファンカバー18を取付けるボス部34・・・(・・・は複数個を示す。以下同じ)、ファンカバー18を対向させる若しくは当接させるようにした補強リブ35・・・及び補強リブ36・・・と、吐出口15を形成する吐出口左側部38と、を形成した。
なお、補強リブ35は、ファンカバー18の外径より外方に延ばしたリブであり、補強リブ36は、ボス部34に形成したファンカバー18の外径に沿わして形成したリブである。
The left fan housing 31 has a suction port 17 for sucking air, a boss portion 34 for attaching the fan cover 18 (... indicates a plurality, the same applies hereinafter), and makes the fan cover 18 face or abut against each other. The reinforcing ribs 35 and the reinforcing ribs 36 and the discharge port left side portion 38 forming the discharge port 15 were formed.
The reinforcing rib 35 is a rib extending outward from the outer diameter of the fan cover 18, and the reinforcing rib 36 is a rib formed along the outer diameter of the fan cover 18 formed in the boss portion 34.

右ファンハウジング32は、原動機14(図1参照)を臨ませる挿入口41と、原動機14を取付ける取付け部42・・・と、主取っ手(ハンドル)19を支持する前・後支持部43,44と、機体11(図1参照)を自立させるための脚部(スタンド)45,46と、これらの脚部45,46間に間に一体的に形成した補助取っ手(補助ハンドル)47と、吐出口15を形成する吐出口右側部48と、を形成した。   The right fan housing 32 includes an insertion port 41 for facing the prime mover 14 (see FIG. 1), a mounting portion 42 for attaching the prime mover 14, and front and rear support portions 43 and 44 for supporting the main handle (handle) 19. And legs (stands) 45, 46 for allowing the airframe 11 (see FIG. 1) to stand by itself, an auxiliary handle (auxiliary handle) 47 integrally formed between the legs 45, 46, The right side portion 48 of the discharge port for forming the outlet 15 was formed.

送風ファン13は、原動機14(図1参照)に取付ける軸部49と、この軸部49から放射状に形成した複数の羽39と、からなる。
吐出口15は、吐出口左側部38及び吐出口右側部48を合わせることで形成したものである。
吐出ダクト16は、吐出口15に取付ける後ダクト51と、この後ダクト51に取付け前ダクト52とからなる。なお、前ダクト52は、先端を先細りに形成した先端部(吐出口)53を備える。
The blower fan 13 includes a shaft portion 49 attached to the prime mover 14 (see FIG. 1), and a plurality of wings 39 formed radially from the shaft portion 49.
The discharge port 15 is formed by combining the discharge port left side portion 38 and the discharge port right side portion 48.
The discharge duct 16 includes a rear duct 51 attached to the discharge port 15, and a duct 52 before being attached to the rear duct 51. The front duct 52 includes a front end portion (discharge port) 53 having a tapered front end.

ファンカバー18は、略盆状(傾斜面を有する略円柱状)の部材であり、本体部(底部)54と、この本体部54から立上げた側面部(傾斜面)55と、この側面部55に設けた複数の開口56・・・と、本体部54に設けたねじ嵌合部58と、を備える。
なお、59はファンカバー18のエッジを示す。また、側面部(傾斜面)55のみに、開口56・・・を設けることで、作業中に作業者の衣服がファンカバー18に吸着してしまうことを防止でき、作業効率の向上を図ることができる。
The fan cover 18 is a substantially bon-shaped (substantially cylindrical shape having an inclined surface) member, a main body portion (bottom portion) 54, a side surface portion (inclined surface) 55 raised from the main body portion 54, and the side surface portion. And a plurality of openings 56 provided in the main body portion 54 and a screw fitting portion 58 provided in the main body portion 54.
Reference numeral 59 denotes an edge of the fan cover 18. Further, by providing the openings 56... Only on the side surface portion (inclined surface) 55, it is possible to prevent the operator's clothes from being adsorbed to the fan cover 18 during work, and to improve work efficiency. Can do.

主取っ手(ハンドル)19は、取っ手左半割り体61と、この取っ手左半割り部に合わせる取っ手右半割り体62と、これらの取っ手左半割り体61及び取っ手右半割り体62に介在させる防振ゴム63,64と、これらの取っ手左半割り体61及び取っ手右半割り体62にスイング自在に取付けるスロットルレバー65と、このスロットルレバー65に接続するスロットルワイヤ66と、取っ手左半割り体61及び取っ手右半割り体62に取付けることで、スロットルレバー65を任意の位置で保持するスロットル保持レバー67と、取っ手左半割り体61及び取っ手右半割り体62に取付けることで、原動機14(図1参照)を始動可能状態若しくは停止状態にする始動スイッチ68と、からなる。   The main handle (handle) 19 is interposed between the handle left half 61, the handle right half 62 fitted to the handle left half, and the handle left half 61 and the handle right half 62. Anti-vibration rubbers 63, 64, a throttle lever 65 swingably attached to the handle left half 61 and the handle right half 62, a throttle wire 66 connected to the throttle lever 65, and a handle left half 61 and the handle right half body 62 to attach the throttle lever 65 to an arbitrary position, and the handle left half body 61 and handle right half body 62 to attach the motor 14 ( And a start switch 68 for setting the startable state or the stop state.

原動機カバー27は、右ファンハウジング32に取付けるフランジ部71〜73と、複数の通気孔74・・・を備えたカバーである。
図中、75は原動機14を右ファンハウジング32に取付ける取付けねじ、76,76はワッシャ77,77を介して主取っ手19を右ファンハウジング32に取付ける取付けねじ、78はファンカバー18を左ファンハウジング31に取付ける取付けねじ、79は、スロットル保持レバー67を取っ手左半割り体61及び取っ手右半割り体62に取付ける取付けねじである。
The prime mover cover 27 is a cover provided with flange portions 71 to 73 attached to the right fan housing 32 and a plurality of vent holes 74.
In the figure, 75 is a mounting screw for mounting the prime mover 14 to the right fan housing 32, 76 and 76 are mounting screws for mounting the main handle 19 to the right fan housing 32 through washers 77 and 77, and 78 is a mounting screw for the fan cover 18 to the left fan housing. Reference numeral 79 denotes an attachment screw for attaching the throttle holding lever 67 to the handle left half 61 and the handle right half 62.

図4は図1の4−4線断面図であり、動力送風機10は、右ファンハウジング32に原動機14を外付けし(ファンハウジング12一側面に隣接させて配置し)、この原動機14を原動機カバー27で覆い、原動機14のクランクシャフト(出力軸)81の一端を右ファンハウジング32に臨ませ、クランクシャフト81の一端に送風ファン13を取付けるとともに右ファンハウジング32の内側に送風ファン13を配置し、この送風ファン13を左ファンハウジング31を被せることで、左・右ファンハウジング31,32に送風ファン13を収納し、左ファンハウジング31の吸込口17にファンカバー18を被せ、右ファンハウジング32に主取っ手(ハンドル)19を取付け、この主取っ手19の略鉛直下方に且つ脚部45,46(手前の45は不図示)間を繋ぐように補助取っ手(補助ハンドル)47を設けたものであり、送風ファーン13を収納するファンハウジング12に、送風ファン13を駆動する原動機14を取付けるとともに、ファンハウジング12からエアを吐出する吐出ダクト16(図1参照)を延ばし、持ち運ぶことができるものと言える。   4 is a cross-sectional view taken along line 4-4 of FIG. 1. In the power blower 10, the motor 14 is externally attached to the right fan housing 32 (arranged adjacent to one side surface of the fan housing 12), and the motor 14 is moved to the motor. Cover the cover 27 with one end of the crankshaft (output shaft) 81 of the prime mover 14 facing the right fan housing 32, attach the blower fan 13 to one end of the crankshaft 81, and place the blower fan 13 inside the right fan housing 32. Then, by covering the blower fan 13 with the left fan housing 31, the blower fan 13 is accommodated in the left and right fan housings 31 and 32, and the fan cover 18 is covered with the suction port 17 of the left fan housing 31. The main handle (handle) 19 is attached to 32, and the leg portions 45, 46 ( An auxiliary handle (auxiliary handle) 47 is provided so as to connect the front 45 (not shown), and the motor 14 for driving the blower fan 13 is attached to the fan housing 12 for housing the blower fan 13 and the fan. It can be said that the discharge duct 16 (see FIG. 1) for discharging air from the housing 12 can be extended and carried.

図中、82原動機14のシリンダ、83はピストン、84コンロッド、85はクランクシャフト81の一端に取付けたファン支持円板、86はクランクシャフト81の他端に取付けたリコイルスタータ、87は送風ファン13をクランクシャフト81側に取付けるナット、88は後述する空洞部を示す。 In the figure, 82 is a cylinder of the prime mover 14, 83 is a piston, 84 connecting rod, 85 is a fan support disc attached to one end of the crankshaft 81, 86 is a recoil starter attached to the other end of the crankshaft 81, and 87 is a blower fan 13. A nut 88 is attached to the crankshaft 81 side, and a hollow portion to be described later is shown.

動力送風機10は、補助取っ手47を、主取っ手19の略鉛直位置に形成したものとも言える。
補助取っ手47を、主取っ手19の略鉛直位置に形成することで、機体11を横に倒した状態で作業を遂行するときに、機体11を水平にした状態で作業を進めることができる。この結果、作業の能率を上げることができる。
It can be said that the power blower 10 has the auxiliary handle 47 formed at a substantially vertical position of the main handle 19.
By forming the auxiliary handle 47 at a substantially vertical position of the main handle 19, when the work is performed with the machine body 11 lying down sideways, the work can be performed with the machine body 11 in a horizontal state. As a result, work efficiency can be increased.

なお、右ファンハウジング32は、原動機14を支持するハウジングであり、この右ファンハウジング32側に脚部45,46を設けることで、機体11(図1参照)を安定させた状態で自立させることができる。
また、補助取っ手(補助ハンドル)47は、表面部89に丸み(ラウンド)を持たせることで、補助取っ手47を握り易く(手を掛けやすく)するとともに機体11を支持しやすくしたことを示す。
The right fan housing 32 is a housing that supports the prime mover 14, and by providing the leg portions 45 and 46 on the right fan housing 32 side, the airframe 11 (see FIG. 1) can be made to stand independently. Can do.
Further, the auxiliary handle (auxiliary handle) 47 indicates that the surface portion 89 is rounded so that the auxiliary handle 47 can be easily gripped (easy to put on) and the body 11 can be supported easily.

図5は本発明に係る動力送風機の左ファンハウジングの側面図であり、補助リブ35,36は、吸込口17廻りを補強するために吸込口17の廻りに放射状に形成したリブであるとともに、補強リブ35は、ファンカバー18の外径より外方に延ばしたリブであり、補強リブ36は、ボス部34に形成したファンカバー18の外径に沿わして形成したリブであることを示す。   FIG. 5 is a side view of the left fan housing of the power blower according to the present invention. The auxiliary ribs 35 and 36 are ribs formed radially around the suction port 17 in order to reinforce the periphery of the suction port 17. The reinforcing rib 35 is a rib extending outward from the outer diameter of the fan cover 18, and the reinforcing rib 36 is a rib formed along the outer diameter of the fan cover 18 formed in the boss portion 34. .

動力送風機10(図1参照)は、ファンハウジング12の側方にエアを吸込む吸込口17を設け、この吸込口17にエアを導く開口56・・・(図3参照)を備えたファンカバー18を被せた形式の動力送風機において、吸込口17の周囲に、吸込口17を補強するために複数の補強リブ35・・・及び補強リブ36・・・を放射状に形成し、これらの補強リブ35・・・及び補強リブ36・・・にファンカバー18のエッジ59を対向させる若しくは当接させるようにしたものと言える。   The power blower 10 (see FIG. 1) is provided with a suction port 17 for sucking air to the side of the fan housing 12, and a fan cover 18 provided with an opening 56 (see FIG. 3) for guiding the air to the suction port 17. In order to reinforce the suction port 17, a plurality of reinforcing ribs 35... And reinforcing ribs 36... Are radially formed around the suction port 17. It can be said that the edge 59 of the fan cover 18 is opposed or brought into contact with the reinforcing ribs 36.

例えば、吸込口から十分にエアを吸入することができるようにすることは、動力送風機の能力を向上させることができるので好都合であり、ファンカバーの変形や破損を簡易に防止することができれば、動力送風機の重量の増加を最小限に止めることができるので好ましいことである。   For example, it is advantageous to be able to sufficiently suck air from the suction port because it can improve the performance of the power blower, and if the deformation and breakage of the fan cover can be easily prevented, This is preferable because an increase in the weight of the power blower can be minimized.

すなわち、吸込口17の周囲に、吸込口17を補強するために複数の補強リブ35・・・及び補強リブ36・・・を放射状に形成し、これらの補強リブ35・・・及び補強リブ36・・・にファンカバー18のエッジ59を対向させる若しくは当接させるようにすることで、ファンカバー18の変形や破損を簡易に防止することができる。この結果、動力送風機10(図1参照)の重量の増加を最小限に押えることができ、動力送風機10の使い勝手を確保することができる。   That is, a plurality of reinforcing ribs 35... And reinforcing ribs 36... Are formed radially around the inlet 17 in order to reinforce the inlet 17, and these reinforcing ribs 35. The edge 59 of the fan cover 18 is made to face or abut against the fan cover 18 so that deformation or breakage of the fan cover 18 can be easily prevented. As a result, an increase in the weight of the power blower 10 (see FIG. 1) can be minimized, and the usability of the power blower 10 can be ensured.

また、吸込口17の周囲に、吸込口17を補強するために複数の補強リブ35・・・及び補強リブ36・・・を放射状に形成することで、隣り合う補強リブ35・・・及び補強リブ36・・・の間を空洞にすることができ、この空洞から吸込口17へエアの吸入することができる。この結果、エア吸込量の効果的な増量を図ることができ、動力送風機10(図1参照)の送風能力を向上させることができる。   Moreover, in order to reinforce the suction port 17 around the suction port 17, a plurality of reinforcing ribs 35... And reinforcing ribs 36. The space between the ribs 36 can be made a cavity, and air can be sucked into the suction port 17 from this cavity. As a result, the air intake amount can be effectively increased, and the air blowing capacity of the power blower 10 (see FIG. 1) can be improved.

図6は図5の6−6線断面図であり、動力送風機10(図1参照)は、補強リブ35・・・を、ファンカバー18の外形よりも外方へ延ばして形成したものとも言える。
補強リブ35・・・を、ファンカバー18の外形よりも外方へ延ばして形成することで、外力によりファンカバー18が径方向に大きく変形した場合にも確実にファンカバー18を受けることができる。この結果、ファンカバーの変形や破損の防止効果を高めることができる。
6 is a cross-sectional view taken along line 6-6 of FIG. 5, and it can be said that the power blower 10 (see FIG. 1) is formed by extending the reinforcing ribs 35 outward from the outer shape of the fan cover 18. .
The reinforcing ribs 35 are formed so as to extend outward from the outer shape of the fan cover 18, so that the fan cover 18 can be reliably received even when the fan cover 18 is greatly deformed in the radial direction by an external force. . As a result, the effect of preventing deformation and breakage of the fan cover can be enhanced.

図7(a)〜(e)は本発明に係る動力送風機の作用を説明する作用説明図であり、(a),(b)は比較例のファンハウジング152及びファンカバー158を示し、(c)〜(e)は実施例のファンハウジング12及びファンカバー18を示す。
(a)において、ファンハウジング152は、吸込口157の廻りに吸込口157よりも一回り大きい補強リブ155を円筒状に設けたものである。
従って、(b)において、吸入口157にファンカバー158のエッジ159と補強リブ155との隙間から矢印a1の如くエアを吸込みことができるとともに、ファンカバー158の開口156から矢印a2の如くエアをエアを吸込みことができる。
FIGS. 7A to 7E are operation explanatory views for explaining the operation of the power blower according to the present invention. FIGS. 7A and 7B show a fan housing 152 and a fan cover 158 of a comparative example. ) To (e) show the fan housing 12 and the fan cover 18 of the embodiment.
In (a), the fan housing 152 is provided with a reinforcing rib 155 having a cylindrical shape around the suction port 157 that is slightly larger than the suction port 157.
Accordingly, in (b), air can be sucked into the suction port 157 from the gap between the edge 159 of the fan cover 158 and the reinforcing rib 155 as indicated by an arrow a1, and air is indicated from the opening 156 of the fan cover 158 as indicated by an arrow a2. Air can be inhaled.

(c)において、ファンハウジング12は、吸込口17の周囲に、吸込口17を補強するために複数の補強リブ35・・・及び補強リブ36・・・を放射状に形成した。
従って、(d)において、吸入口17にファンカバー18のエッジ59と補強リブ35との隙間から矢印b1の如くエアを吸込みことができるとともに、ファンカバー18の開口56から矢印b2の如くエアをエアを吸込みことができる。
In (c), the fan housing 12 is formed with a plurality of reinforcing ribs 35... And reinforcing ribs 36 radially around the inlet 17 in order to reinforce the inlet 17.
Accordingly, in (d), air can be sucked into the suction port 17 from the gap between the edge 59 of the fan cover 18 and the reinforcing rib 35 as indicated by the arrow b1, and the air is indicated from the opening 56 of the fan cover 18 as indicated by the arrow b2. Air can be inhaled.

さらに、(e)において、隣り合う補強リブ35,35の間を空洞にすることができ、この空洞部88から吸込口17へ矢印b3の如くエアの吸入することができる。この結果、エア吸込量の効果的な増量(開口面積の増加)を図ることができ、動力送風機10(図1参照)の送風能力を向上させることができる。   Furthermore, in (e), the space between the adjacent reinforcing ribs 35 can be made hollow, and air can be sucked from the hollow portion 88 into the suction port 17 as shown by the arrow b3. As a result, it is possible to effectively increase the air suction amount (increase in the opening area), and improve the blowing capacity of the power blower 10 (see FIG. 1).

図8は本発明に係る動力送風機の右ファンハウジングの斜視図であり、先に説明したように、右ファンハウジング32は、原動機14(図1参照)を臨ませる挿入口41と、原動機14を取付ける取付け部42・・・と、主取っ手(ハンドル)19を支持する前・後支持部43,44と、機体を自立させるための脚部(スタンド)45,46と、これらの脚部45,46間に間に一体的に形成した補助取っ手(補助ハンドル)47と、吐出口15を形成する吐出口右側部48と、を形成したことを示す。   FIG. 8 is a perspective view of the right fan housing of the power blower according to the present invention. As described above, the right fan housing 32 includes the insertion port 41 that faces the prime mover 14 (see FIG. 1) and the prime mover 14. Mounting portions 42 to be mounted, front and rear support portions 43 and 44 for supporting the main handle (handle) 19, leg portions (stands) 45 and 46 for allowing the airframe to be self-supporting, and these leg portions 45, 46 shows that an auxiliary handle (auxiliary handle) 47 formed integrally between the two nozzles 46 and a discharge port right side portion 48 forming the discharge port 15 are formed.

動力送風機10(図1参照)は、ファンハウジング12の上部に主取っ手19(図1参照)を備えることで、運搬を可能にするとともに、一対の脚部45,46間に補助取っ手47を一体的に形成し、この補助取っ手47に一方の手を掛け主取っ手19に他方の手を掛ける要領で両手で両手でファンハウジング12を把持することができるように構成したものと言える。   The power blower 10 (see FIG. 1) includes a main handle 19 (see FIG. 1) on the upper portion of the fan housing 12, thereby enabling transportation and an auxiliary handle 47 between the pair of leg portions 45 and 46. Thus, it can be said that the fan housing 12 can be held with both hands by both hands in the manner of placing one hand on the auxiliary handle 47 and the other hand on the main handle 19.

例えば、作業環境に応じて機体を横に倒した状態で作業を遂行することができれば、作業の多様性を拡大することができるので好ましいことである。   For example, it is preferable that the work can be performed with the machine body lying down in accordance with the work environment because the variety of work can be expanded.

図9は図8の9矢視図であり、すなわち、一対の脚部45,46間に補助取っ手47を形成することで、補助取っ手47に一方の手を掛け主取っ手19(図1参照)に他方の手を掛ける要領で両手で両手でファンハウジング12(図2に示す機体11)を把持することができる。この結果、作業環境に応じて機体を横に倒した状態で作業を遂行することができ、作業の多様性を拡げることができる。   9 is a view taken in the direction of arrow 9 in FIG. 8, that is, by forming an auxiliary handle 47 between the pair of leg portions 45 and 46, one hand is put on the auxiliary handle 47 and the main handle 19 (see FIG. 1). The fan housing 12 (the machine body 11 shown in FIG. 2) can be held with both hands in the same manner as the other hand is put on. As a result, the work can be performed with the machine body lying down according to the work environment, and the variety of work can be expanded.

そこで、動力送風機10は、一対の脚部45,46間に補助取っ手47を一体的に形成したので、補助取っ手47を簡易に設けることができる。この結果、動力送風機のコストの増加を最小限に押えることができる。   Therefore, since the power blower 10 integrally forms the auxiliary handle 47 between the pair of leg portions 45 and 46, the auxiliary handle 47 can be easily provided. As a result, an increase in the cost of the power blower can be minimized.

図10(a)〜(d)は本発明に係る動力送風機の支持姿勢を示する説明図であり、(a),(c)は比較例の動力送風機160を示し、(c),(d)は実施例の動力送風機10を示す。
(a)において、動力送風機160は、機体161に主取っ手(ハンドル)169を設け、機体161の脚部165,165(奥の165は不図示)間に別体の補助取っ手(補助ハンドル)167を取付けたものであり、補助取っ手167を設けるのに別部品を必要とする。この結果、動力送風機160のコストの高騰を招くことがある。
(b)において、動力送風機10は、一対の脚部45,46(奥の46は不図示)間に補助取っ手47を一体的に形成したので、補助取っ手47を簡易に設けることができる。
この結果、動力送風機10のコストの低減を図ることができる。
FIGS. 10A to 10D are explanatory views showing the support posture of the power blower according to the present invention. FIGS. 10A and 10C show the power blower 160 of the comparative example, and FIGS. ) Shows the power blower 10 of the embodiment.
In (a), the power blower 160 is provided with a main handle (handle) 169 on the airframe 161, and a separate auxiliary handle (auxiliary handle) 167 between the legs 165 and 165 (the back 165 is not shown) of the airframe 161. And a separate part is required to provide the auxiliary handle 167. As a result, the cost of the power blower 160 may increase.
In (b), since the power blower 10 integrally formed the auxiliary handle 47 between the pair of leg portions 45 and 46 (the rear 46 is not shown), the auxiliary handle 47 can be easily provided.
As a result, the cost of the power blower 10 can be reduced.

(c)において、動力送風機160では、補助取っ手(補助ハンドル)167の高さ次第では、機体161を横に倒して把持したときに機体161が傾くことがある。
(d)において、動力送風機10では、補助取っ手47を、主取っ手19の略鉛直位置に形成したので、機体11を横に倒した状態で作業を遂行するときに、機体11を水平にした状態で作業を進めることができる。この結果、作業の能率を上げることができる。
In (c), in the power blower 160, depending on the height of the auxiliary handle (auxiliary handle) 167, the airframe 161 may tilt when the airframe 161 is tilted sideways and held.
In (d), in the power blower 10, since the auxiliary handle 47 is formed at a substantially vertical position of the main handle 19, the machine body 11 is in a horizontal state when the work is performed with the machine body 11 lying down sideways. You can proceed with the work. As a result, work efficiency can be increased.

図11は本発明に係る別実施例の動力送風機の正面側面図であり、動力送風機100は、動力送風機10(図4参照)に略同一構成のブロアであり、ファンカバー18のエッジ59をファンハウジング112の補助リブ136に当てつつファンハウジング112に取付けたものである。
ファンカバー18のエッジ59をファンハウジング112の補助リブ136に当てつつファンハウジング112に取付けることで、ファンカバー18の小さな力が作用したときにも、ファンカバー18の剛性を補完することができる。
FIG. 11 is a front side view of a power blower according to another embodiment of the present invention. The power blower 100 is a blower having substantially the same configuration as that of the power blower 10 (see FIG. 4), and the edge 59 of the fan cover 18 is a fan. It is attached to the fan housing 112 while being in contact with the auxiliary rib 136 of the housing 112.
By attaching the edge 59 of the fan cover 18 to the fan housing 112 while contacting the auxiliary rib 136 of the fan housing 112, the rigidity of the fan cover 18 can be supplemented even when a small force of the fan cover 18 is applied.

また、動力送風機100は、補助取っ手(補助ハンドル)147の先端面148を、主取っ手(ハンドル)119の右端面121に一致させて形成したものである。
補助取っ手(補助ハンドル)147の先端面148を、主取っ手(ハンドル)119の右端面121に一致させて形成することで、機体111を横に倒して支持したときに機体111を水平に支持することができる。
The power blower 100 is formed by aligning the front end surface 148 of the auxiliary handle (auxiliary handle) 147 with the right end surface 121 of the main handle (handle) 119.
By forming the front end surface 148 of the auxiliary handle (auxiliary handle) 147 so as to coincide with the right end surface 121 of the main handle (handle) 119, the body 111 is supported horizontally when the body 111 is tilted sideways and supported. be able to.

尚、本発明に係る車動力送風機は、図5に示すように、補強リブ36をファンカバー18の外径に沿わして形成したが、これに限るものではなく、ファンカバー18の外径より外方に延ばして形成したものでもよい。   In the vehicle-powered blower according to the present invention, the reinforcing rib 36 is formed along the outer diameter of the fan cover 18 as shown in FIG. It may be formed extending outward.

本発明に係る動力送風機は、業務用の比較的送風能力の大きなブロアに採用するのに好適である。   The power blower according to the present invention is suitable for use in a blower having a relatively large blowing capacity for business use.

本発明に係る動力送風機の左側面図である。It is a left view of the power blower concerning the present invention. 本発明に係る動力送風機の右側面図である。It is a right view of the power blower concerning the present invention. 本発明に係る動力送風機の主要部品を示す分解斜視図である。It is a disassembled perspective view which shows the main components of the power blower which concerns on this invention. 図1の4−4線断面図である。FIG. 4 is a sectional view taken along line 4-4 of FIG. 本発明に係る動力送風機の左ファンハウジングの側面図である。It is a side view of the left fan housing of the power blower concerning the present invention. 図5の6−6線断面図である。FIG. 6 is a sectional view taken along line 6-6 of FIG. 本発明に係る動力送風機の作用を説明する作用説明図である。It is effect | action explanatory drawing explaining the effect | action of the power blower which concerns on this invention. 本発明に係る動力送風機の右ファンハウジングの斜視図である。It is a perspective view of the right fan housing of the power blower concerning the present invention. 図8の9矢視図である。FIG. 9 is a view taken in the direction of arrow 9 in FIG. 本発明に係る動力送風機の支持姿勢を示する説明図である。It is explanatory drawing which shows the support attitude | position of the power blower which concerns on this invention. 本発明に係る別実施例の動力送風機の正面側面図である。It is a front side view of the power blower of another Example which concerns on this invention. 従来の基本構成を説明する図である。It is a figure explaining the conventional basic composition.

符号の説明Explanation of symbols

10…動力送風機、11…機体、12…ファンハウジング、13…送風ファン、14…原動機、15…吐出口、17…吸込口、18…ファンカバー、19…主取っ手、35,36…補強リブ、45,46…脚部、47…補助取っ手、56…開口、59エッジ。   DESCRIPTION OF SYMBOLS 10 ... Power blower, 11 ... Airframe, 12 ... Fan housing, 13 ... Blower fan, 14 ... Motor | power_engine, 15 ... Discharge port, 17 ... Suction port, 18 ... Fan cover, 19 ... Main handle, 35, 36 ... Reinforcement rib, 45, 46 ... leg, 47 ... auxiliary handle, 56 ... opening, 59 edge.

Claims (2)

ファンハウジングの側方にエアを吸込む吸込口を設け、この吸込口にエアを導く開口を備えたファンカバーを被せた形式の動力送風機において、
前記吸込口の周囲に、吸込口を補強するために複数の補強リブを放射状に形成し、これらの補強リブに前記ファンカバーのエッジを対向させる若しくは当接させるようにしたことを特徴とする動力送風機。
In the power blower of the type in which a suction port for sucking air is provided on the side of the fan housing and a fan cover provided with an opening for guiding air to the suction port is covered,
A plurality of reinforcing ribs are radially formed around the suction port to reinforce the suction port, and the edge of the fan cover is made to face or abut against these reinforcing ribs. Blower.
前記補強リブを、前記ファンカバーの外形よりも外方へ延ばして形成したことを特徴とする請求項1記載の動力送風機。
The power blower according to claim 1, wherein the reinforcing rib is formed to extend outward from the outer shape of the fan cover.
JP2003407555A 2003-12-05 2003-12-05 Power blower Expired - Fee Related JP4287260B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003407555A JP4287260B2 (en) 2003-12-05 2003-12-05 Power blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003407555A JP4287260B2 (en) 2003-12-05 2003-12-05 Power blower

Publications (2)

Publication Number Publication Date
JP2005163751A true JP2005163751A (en) 2005-06-23
JP4287260B2 JP4287260B2 (en) 2009-07-01

Family

ID=34729567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003407555A Expired - Fee Related JP4287260B2 (en) 2003-12-05 2003-12-05 Power blower

Country Status (1)

Country Link
JP (1) JP4287260B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010196705A (en) * 2009-02-24 2010-09-09 Dyson Technology Ltd Centrifugal compressor
US9404502B2 (en) 2011-12-15 2016-08-02 Nidec Corporation Centrifugal fan device
JP2017150188A (en) * 2016-02-23 2017-08-31 株式会社やまびこ Portable driving implement
US9784282B2 (en) 2013-05-03 2017-10-10 Dyson Technology Limited Compressor
WO2018061555A1 (en) * 2016-09-30 2018-04-05 日立工機株式会社 Blower
CN109423972A (en) * 2017-08-29 2019-03-05 苏州宝时得电动工具有限公司 Hair dryer
JP2021080850A (en) * 2019-11-15 2021-05-27 株式会社マキタ Blower

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010196705A (en) * 2009-02-24 2010-09-09 Dyson Technology Ltd Centrifugal compressor
US9404502B2 (en) 2011-12-15 2016-08-02 Nidec Corporation Centrifugal fan device
US9784282B2 (en) 2013-05-03 2017-10-10 Dyson Technology Limited Compressor
JP2017150188A (en) * 2016-02-23 2017-08-31 株式会社やまびこ Portable driving implement
WO2018061555A1 (en) * 2016-09-30 2018-04-05 日立工機株式会社 Blower
JPWO2018061555A1 (en) * 2016-09-30 2018-12-27 工機ホールディングス株式会社 Blower
CN109423972A (en) * 2017-08-29 2019-03-05 苏州宝时得电动工具有限公司 Hair dryer
JP2021080850A (en) * 2019-11-15 2021-05-27 株式会社マキタ Blower
JP7348817B2 (en) 2019-11-15 2023-09-21 株式会社マキタ blower

Also Published As

Publication number Publication date
JP4287260B2 (en) 2009-07-01

Similar Documents

Publication Publication Date Title
JP4287261B2 (en) Power blower
CN203500060U (en) Portable air blower
EP1829622B1 (en) Engine shroud
JP4287260B2 (en) Power blower
JP7452601B2 (en) cleaner
JP6180879B2 (en) Back blower
JP5982713B2 (en) Air blower
JP2007236571A (en) Wet-type vacuum cleaner
JP6345198B2 (en) Back-loading blower
JP4205567B2 (en) Power blower
JP6687432B2 (en) Engine driven work machine
JPWO2019116434A1 (en) Engine equipment
TW201507687A (en) Vacuum cleaner
JP2022158863A (en) Working machine
JP3165459U (en) Blower
CN206354988U (en) Cylinder block set and the dust catcher with cylinder block set
CN215719809U (en) Fan shell and portable fan
JP2019042625A (en) Portable work machine
JP2019044612A (en) Portable work machine
JP2008274776A (en) Canister arranging structure in generator set
JPWO2022044991A5 (en)
JP2006034891A (en) Vacuum cleaner
JP2003126737A (en) Power working machine
JP2005111023A (en) Vacuum cleaner
JP2017160872A (en) Work machine with fuel tank

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050801

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20081211

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081224

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090219

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090324

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090326

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120403

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4287260

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140403

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees