WO2015005140A1 - Over-the-shoulder type air-blowing work machine and over-the-shoulder frame - Google Patents

Over-the-shoulder type air-blowing work machine and over-the-shoulder frame Download PDF

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Publication number
WO2015005140A1
WO2015005140A1 PCT/JP2014/067142 JP2014067142W WO2015005140A1 WO 2015005140 A1 WO2015005140 A1 WO 2015005140A1 JP 2014067142 W JP2014067142 W JP 2014067142W WO 2015005140 A1 WO2015005140 A1 WO 2015005140A1
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WO
WIPO (PCT)
Prior art keywords
blower
backpack
hand
held
throttle lever
Prior art date
Application number
PCT/JP2014/067142
Other languages
French (fr)
Japanese (ja)
Inventor
賢二 長沼
Original Assignee
日立工機株式会社
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Publication date
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Publication of WO2015005140A1 publication Critical patent/WO2015005140A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • A01G20/40—Apparatus for cleaning the lawn or grass surface
    • A01G20/43—Apparatus for cleaning the lawn or grass surface for sweeping, collecting or disintegrating lawn debris
    • A01G20/47—Vacuum or blower devices
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0888—Carrying means for knapsack sprayers

Definitions

  • the present invention relates to a backpack type blower working machine and a backpack.
  • this small blower 2 has a blower body 2a in which a blower fan driven by an engine is incorporated, and a blower nozzle section 40 is detachably attached to a blower opening 30 of the blower body 2a. It has been.
  • the blower body 2a is provided with a handle 8 that is a part to be gripped by a hand, and the handle 8 and a throttle lever 9 and a stop switch 10 are provided.
  • JP 2012-272742 A Japanese Utility Model Publication 1-152067
  • the small blower not only imposes a burden on the operator's arm, but also has a problem of poor workability.
  • An object of the present invention is to provide a backpack type blower working machine and a backpack capable of improving workability and reducing costs.
  • a backpack-type blower working machine includes a handheld blower, a backpack on which the handheld blower is detachably mounted, and a blower nozzle having a handle portion connected to the handheld blower. Yes. *
  • the backpack preferably enables the hand-held blower to be fixed and released without a tool.
  • the hand-held blower preferably includes a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever.
  • the throttle lever operation part is provided on the handle part.
  • the hand-held blower has a stop switch for stopping the engine and a stop switch operation unit for remotely operating the stop switch.
  • an elastic member that absorbs vibration is provided between the hand-held fan and the backpack.
  • the backpack according to the present invention is one in which a hand-held blower is detachably mounted.
  • the hand-held blower can be fixed and released without a tool.
  • the hand-held blower preferably includes a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever.
  • an elastic member for absorbing vibration is provided between the backpack and the hand-held fan.
  • FIG. 1A is a cross-sectional view of part A in FIG. 1
  • FIG. 1B is a cross-sectional view taken along line BB in FIG.
  • FIG. 1B is a cross-sectional view taken along line BB in FIG.
  • FIG. 1B is a rear view of a backpack type blower working machine in the state where a holding cover was opened.
  • a backpack-type blower working machine 1 is connected to a handheld blower 2, a backpack 3 to which the handheld blower 2 is detachably attached, and a handheld blower 2. And an air blowing nozzle 5 having a handle portion 4 for operation.
  • the backpack 3 has a mounting portion 6 on which the hand-held blower 2 is detachably mounted and can be fixed and released without a tool.
  • the hand-held blower 2 includes a blower fan (not shown), an engine 7 that drives the blower fan, a handle 8 that is provided on the engine 7, and a throttle lever 9 that is provided on the handle 8 and controls the output of the engine 7. And a stop switch 10 for stopping the engine 7.
  • the engine 7 is also provided with a fuel tank 11 and a starter handle 12.
  • the throttle lever 9 and the stop switch 10 are known mechanisms, and the throttle lever 9 operates a carburetor (not shown) provided in the engine 7 to adjust the supply amount of the mixed gas. Further, the stop switch 10 is operated to short-circuit a part of the ignition device, the supply of ignition power is stopped, and the supply of power from the ignition device to the ignition plug is stopped. *
  • the handle portion 4 has a throttle lever operation portion 14 and remotely operates a push lever 34 provided on the mounting portion 6 via the first push-pull wire 13.
  • the push lever 34 is installed so that the throttle lever 9 of the hand-held blower 2 can be operated from the fully closed position to the fully opened position by the operation load of the throttle lever operating section 14.
  • the handle portion 4 further includes a stop switch operation portion 16, and remotely operates a switch lever 41 provided on the mounting portion 6 via the second push-pull wire 15.
  • the switch lever 41 is installed so that the stop switch 10 of the hand-held blower 2 can be operated by the operation load of the stop switch operation unit 16. *
  • the backpack 3 and the mounting portion 6 are made of, for example, a synthetic resin. In this case, it is preferable that the backpack 3 and the mounting portion 6 have a structure having a hollow portion by blow molding in order to reduce the weight, improve the strength, and reduce the cost.
  • the backpack 3 includes a backpack main body 3a and an upper forming portion 3b formed on the top of the backpack main body 3a. *
  • a back pad 17 made of a cushion material is provided on the back carrier body 3a.
  • the upper formation portion 3b is formed to be inclined obliquely upward and rearward, and a handle portion 19 is formed by providing a horizontally long opening 18 at the center thereof.
  • a shoulder belt 21 is attached between the handle portion 19 and holes 20 provided at lower portions on both sides of the backpack main body 3a.
  • the mounting portion 6 is formed in a substantially L-shaped cross section having a back surface portion 6a and a bottom surface portion 6b, and has a high-strength structure that integrally has side plate portions 6c that connect the back surface portion 6a and the bottom surface portion 6b on both sides thereof. Has been. Between the back surface portion 6a of the mounting portion 6 and the backpack 3, a plurality of, for example, four elastic members, for example, coil springs 22, that absorb vibration are interposed. *
  • a concave receiving portion 24 for engaging the leg portion 23 provided on the bottom portion of the hand-held blower 2 is formed on the upper surface of the bottom surface portion 6 b of the mounting portion 6. Further, as shown in FIGS. 1, 3 to 6, a contact portion 25 for contacting the side surface portion of the handle 8 of the hand-held blower 2 is formed on the back surface portion 6 a of the mounting portion 6.
  • a cover 26 that covers the handle 8 from the outside is provided via a hinge 27 so as to be opened and closed in the vertical direction. *
  • the receiving part 24 is provided with a holding member 24 a made of an elastic body such as rubber, and is interposed between the holding part 24 a and the leg part of the hand-held fan 2, so that vibration transmitted from the hand-held fan 2 to the mounting part 6 is transmitted. We are trying to reduce it. *
  • the cover 26 rotatably holds an open / close screw 42 having a knob 41 that can be operated by hand at both left and right ends on the side away from the hinge 27, and a male screw 43 of the open / close screw 42 is formed on the mounting portion 6.
  • the handle 8 of the hand-held blower 2 can be fixedly held on the mounting portion 6 by being screwed with the female screw portion 44 thus made.
  • a contact member 28 made of an elastic body is attached to the inner surface of the contact portion 25 and the cover 26.
  • the abutting member 28 has a protruding portion 28 a and an abutting surface 28 b, and the protruding portion 28 a is fitted into holes 29 formed in the abutting portion 25 and the cover 26, respectively.
  • the hand-held blower 2 is mounted on the holding member 24a of the receiving portion 24 with the cover 26 opened, the cover 26 is closed, and the opening / closing screw 42 is screwed into contact.
  • the handle 8 is sandwiched between the contact member 28 on the side 25 and the contact member 28 on the cover side.
  • positioning and attachment of the hand-held fan 2 to the mounting part 6 can be performed while reducing vibration transmitted from the hand-held fan 2.
  • the operator can easily remove the hand-held blower 2 by releasing the opening and closing screw 42 in a state where the hand-held blower 2 is mounted.
  • the hand-held blower 2 has a blower port portion 30 extending laterally, and the blower port portion 30 has a bellows tube portion 32 via an L-shaped blower tube 31 bent forward.
  • the blower nozzle 5 is connected.
  • a protective pipe 33 that protects the first push-pull wire 13 and the second push-pull wire 15 is provided between the handle portion 4 and the mounting portion 6.
  • the push lever 34 is rotatably disposed on the mounting portion 6 via a rotation shaft 35, and the throttle lever 9 is provided at the other end on the opposite side across the first push-pull wire 13 and the rotation shaft 35.
  • a pin portion 46 that is operated against the restoring force of the return spring (not shown) is provided. The pin portion 46 is set so as to be positioned inside the loop-shaped handle 8 when the hand-held blower 2 is mounted.
  • the switch lever 47 is located above the stop switch 10, and when the second push-pull wire 15 is pulled, the switch lever 47 rotates counterclockwise in FIG. The operation is performed.
  • the cover 26 is formed with a notch 49, and the stop switch 10 is located in the notch 49 and can be directly operated even when the cover 26 is closed.
  • the shoulder belt 21 of the backpack 3 is hung on both shoulders of the operator and the backpack type blower working machine 1 is carried on the back.
  • the handle portion 4 of the blower nozzle 5 is grasped by hand, the throttle lever operation portion 14 is pulled, and the push lever 34 is remotely operated to pull the throttle lever 9 of the hand-held blower 2, whereby the blower nozzle 5 ejects the blower nozzle 5.
  • Cleaning may be performed while blowing off dust in a predetermined direction by blowing air.
  • the stop switch 10 may be operated by remotely operating the switch lever 47 using the stop switch operation unit 16 and pressing the stop switch 10.
  • the handle is connected to the handheld blower 2, the backpack 3 on which the handheld blower 2 is detachably mounted, and the handheld blower 2. Since the blower nozzle 5 having the portion 4 is provided, the relatively light and small backpack type blower working machine 1 can be configured, and the workability can be improved and the cost can be reduced. be able to. *
  • the backpack 3 since the backpack 3 has the mounting part 6 for detachably mounting the hand-held fan 2, the hand-held fan 2 can be easily mounted, and as the back-loading fan 1. Can be used. *
  • the conventional shoulder blower has more accessories than the small blower, and has been forced to increase in weight and cost due to the increase in size, but according to the shoulder blower 1 of the present embodiment, Also, there are few accessories, so that the size and weight can be reduced, and the workability can be improved and the cost can be reduced. In addition, since it is possible to arbitrarily select whether to work by hand or to carry on the back according to the work situation such as the size of the work place and the work time, it is possible to further improve workability. *
  • the hand-held blower working machine 2 has a blower fan (not shown), an engine 7 that drives the blower fan, a throttle lever 9 that controls the output of the engine 7, and a stop switch 10 that stops the engine 7.
  • the handle portion 4 has a throttle lever operating portion 14 for remotely operating the throttle lever 9 and a stop switch operating portion 16 for remotely operating the stop switch 10, so that the operation can be facilitated and the workability can be improved. Can be improved. *
  • an elastic member that absorbs vibration such as a coil spring 22, is provided between the mounting portion 6 and the backpack 3, vibration transmitted from the engine 7 to the backpack 3 can be absorbed or reduced. Further improvement in sex can be achieved.
  • blower nozzle 5 having the handle portion 4 connected to the hand-held blower 2 is provided, the blower nozzle 5 can be easily operated and workability can be further improved.

Abstract

Provided are an over-the-shoulder type air-blowing work machine and an over-the-shoulder frame that achieve cost reduction. An over-the-shoulder type air-blowing work machine (1) is provided with a handheld-type blower (2), an over-the-shoulder frame (3) to which the handheld-type blower (2) is removeably installed, and a blower nozzle (5) that connects to the handheld-type blower (2) and that has a handle (4).

Description

背負い式送風作業機及び背負子Backpack-type air blower and backpack
本発明は、背負い式送風作業機及び背負子に関するものである。 The present invention relates to a backpack type blower working machine and a backpack.
送風作業機としては、例えば特許文献１に記載されているような手持式送風作業機（小型ブロワ）が知られている。図７に示すように、この小型ブロワ２は、エンジンで駆動される送風ファンが組み込まれたブロワ本体２ａを有し、このブロワ本体２ａの送風口部３０に送風ノズル部４０が着脱可能に取付けられている。また、ブロワ本体２ａには、手で握る部分であるハンドル８が設けられ、このハンドル８に及びスロットルレバー９及び停止スイッチ１０が設けられている。 As a blower working machine, for example, a hand-held blower working machine (small blower) as described in Patent Document 1 is known. As shown in FIG. 7, this small blower 2 has a blower body 2a in which a blower fan driven by an engine is incorporated, and a blower nozzle section 40 is detachably attached to a blower opening 30 of the blower body 2a. It has been. In addition, the blower body 2a is provided with a handle 8 that is a part to be gripped by a hand, and the handle 8 and a throttle lever 9 and a stop switch 10 are provided.
特開２０１２－７２７４２号公報JP 2012-272742 A 実開平１－１５２０６７号公報Japanese Utility Model Publication 1-152067
しかしながら、前記小型ブロワは、作業者の腕に負担がかかるだけでなく、作業性にも劣るという課題がある。 However, the small blower not only imposes a burden on the operator's arm, but also has a problem of poor workability.
なお、長時間の作業に適する送風作業機としては、例えば特許文献２に記載されているような背負い式ブロワが知られているが、この背負い式ブロワは、小型ブロワと比較して付属部品も多くなり、大型化による重量の増大やコストの上昇を余儀なくされるという課題がある。また、作業場所が狭い場合や、短時間での作業においては、本体の取り回しが煩わしいといった課題もあった。　 As a blower working machine suitable for a long time work, for example, a shoulder-type blower as described in Patent Document 2 is known, but this shoulder-type blower also has accessory parts as compared to a small blower. There is a problem of increasing the weight and increasing the cost due to the increase in size. In addition, when the work place is small or the work is performed in a short time, there is a problem that the handling of the main body is troublesome. *
本発明は、このような課題を解決するべくなされたものである。本発明の目的は、作業性の向上及びコストの低減を図ることができる背負い式送風作業機及び背負子を提供することにある。 The present invention has been made to solve such problems. An object of the present invention is to provide a backpack type blower working machine and a backpack capable of improving workability and reducing costs.
本発明に係る背負い式送風作業機は、手持式送風機と、前記手持式送風機が着脱可能に搭載される背負子と、前記手持式送風機に接続される、ハンドル部を有する送風ノズルと、を備えている。　 A backpack-type blower working machine according to the present invention includes a handheld blower, a backpack on which the handheld blower is detachably mounted, and a blower nozzle having a handle portion connected to the handheld blower. Yes. *
前記背負子が、前記手持式送風機を工具不要で固定解除可能とすることが好ましい。　 The backpack preferably enables the hand-held blower to be fixed and released without a tool. *
また、前記手持式送風機が、送風ファンと、前記送風ファンを駆動するエンジンと、前記エンジンの出力を制御するスロットルレバーを有し、前記スロットルレバーを遠隔操作するスロットルレバー操作部を有することが好ましい。 The hand-held blower preferably includes a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever. .
更に、前記スロットルレバー操作部は、前記ハンドル部に設けられていることが好ましい。　 Furthermore, it is preferable that the throttle lever operation part is provided on the handle part. *
また、前記手持ち式送風機が、前記エンジンを停止する停止スイッチを有し、前記停止スイッチを遠隔操作する停止スイッチ操作部を有することが好ましい。　 Moreover, it is preferable that the hand-held blower has a stop switch for stopping the engine and a stop switch operation unit for remotely operating the stop switch. *
前記手持式送風機と前記背負子との間に、振動を吸収する弾性部材が設けられることが好ましい。　 It is preferable that an elastic member that absorbs vibration is provided between the hand-held fan and the backpack. *
また、本発明に係る背負子は、手持式送風機が着脱可能に搭載されるものである。　 Moreover, the backpack according to the present invention is one in which a hand-held blower is detachably mounted. *
前記手持式送風機が工具不要で固定解除可能とすることが好ましい。 It is preferable that the hand-held blower can be fixed and released without a tool.
前記手持式送風機が、送風ファンと、前記送風ファンを駆動するエンジンと、前記エンジンの出力を制御するスロットルレバーを有し、前記スロットルレバーを遠隔操作するスロットルレバー操作部を有することが好ましい。　 The hand-held blower preferably includes a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever. *
背負子が前記手持ち式送風機との間に、振動を吸収する弾性部材が設けられることが好ましい。 It is preferable that an elastic member for absorbing vibration is provided between the backpack and the hand-held fan.
本発明によれば、作業性の向上を図ることができると共にコストの低減を図ることができる背負い式送風作業機及び背負子を提供することができる。 According to the present invention, it is possible to provide a backpack type blower working machine and a backpack capable of improving workability and reducing costs.
本発明の実施形態である背負い式送風作業機を示す一部断面側面図である。It is a partial cross section side view showing a backpack type blower working machine which is an embodiment of the present invention. 同背負い式送風作業機の全体を概略的に示す側面図である。It is a side view showing roughly the whole backpack type blower working machine. 同背負い式送風作業機の背面図である。It is a rear view of a backpack type air blower. 同背負い式送風作業機の正面図である。It is a front view of a backpack type air blower. （ａ）図１のＡ部の断面図、（ｂ）は（ａ）のＢ－Ｂ線断面図である。1A is a cross-sectional view of part A in FIG. 1, and FIG. 1B is a cross-sectional view taken along line BB in FIG. 押さえカバーを開けた状態の背負い式送風作業機の背面図である。It is a rear view of a backpack type blower working machine in the state where a holding cover was opened. 手持式送風作業機を示す斜視図である。It is a perspective view which shows a hand-held type air blower.
以下、本発明の一実施の形態について、図面を参照して詳細に説明する。 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
図１～図４ないし図６に示すように、背負い式送風作業機１は、手持式送風機２と、この手持式送風機２が着脱可能に取付けられる背負子３と、手持式送風機２に接続される、操作用のハンドル部４を有する送風ノズル５と、を備えている。背負子３は、手持式送風機２を着脱可能に搭載し、工具不要で固定解除可能とする搭載部６を有している。　 As shown in FIG. 1 to FIG. 4 to FIG. 6, a backpack-type blower working machine 1 is connected to a handheld blower 2, a backpack 3 to which the handheld blower 2 is detachably attached, and a handheld blower 2. And an air blowing nozzle 5 having a handle portion 4 for operation. The backpack 3 has a mounting portion 6 on which the hand-held blower 2 is detachably mounted and can be fixed and released without a tool. *
手持式送風機２は、図示しない送風ファンと、この送風ファンを駆動するエンジン７と、このエンジン７に設けられたハンドル８と、このハンドル８に設けられ、エンジン７の出力を制御するスロットルレバー９と、エンジン７を停止する停止スイッチ１０と、を有している。なお、エンジン７には、燃料タンク１１やスタータハンドル１２も設けられている。スロットルレバー９と停止スイッチ１０は公知の機構であり、スロットルレバー９は、エンジン７に設けられた図示しない気化器を操作し、混合ガスの供給量を調整するものである。また、停止スイッチ１０は、操作されることで点火装置の一部を短絡させ、点火用の電力の供給が停止し、点火装置から点火プラグへの電力の供給を停止させるものである。　 The hand-held blower 2 includes a blower fan (not shown), an engine 7 that drives the blower fan, a handle 8 that is provided on the engine 7, and a throttle lever 9 that is provided on the handle 8 and controls the output of the engine 7. And a stop switch 10 for stopping the engine 7. The engine 7 is also provided with a fuel tank 11 and a starter handle 12. The throttle lever 9 and the stop switch 10 are known mechanisms, and the throttle lever 9 operates a carburetor (not shown) provided in the engine 7 to adjust the supply amount of the mixed gas. Further, the stop switch 10 is operated to short-circuit a part of the ignition device, the supply of ignition power is stopped, and the supply of power from the ignition device to the ignition plug is stopped. *
ハンドル部４には、スロットルレバー操作部１４を有し第１のプッシュプルワイヤ１３を介して、搭載部６に設けられたプッシュレバー３４を遠隔操作する。プッシュレバー３４はスロットルレバー操作部１４の操作荷重により、手持式送風機２のスロットルレバー９を全閉から全開まで操作可能に設置されている。ハンドル部４にはさらに、停止スイッチ操作部１６を有し、第２のプッシュプルワイヤ１５を介して、搭載部６に設けられたスイッチレバー４１を遠隔操作する。スイッチレバー４１は、停止スイッチ操作部１６の操作荷重により手持式送風機２の停止スイッチ１０を操作可能に設置されている。　 The handle portion 4 has a throttle lever operation portion 14 and remotely operates a push lever 34 provided on the mounting portion 6 via the first push-pull wire 13. The push lever 34 is installed so that the throttle lever 9 of the hand-held blower 2 can be operated from the fully closed position to the fully opened position by the operation load of the throttle lever operating section 14. The handle portion 4 further includes a stop switch operation portion 16, and remotely operates a switch lever 41 provided on the mounting portion 6 via the second push-pull wire 15. The switch lever 41 is installed so that the stop switch 10 of the hand-held blower 2 can be operated by the operation load of the stop switch operation unit 16. *
背負子３及び搭載部６は、例えば合成樹脂により形成されている。この場合、背負子３及び搭載部６は、軽量化、強度の向上及びコストの低減を図るために、ブロー成型により中空部を有する構造とされていることが好ましい。背負子３は、背負子本体３ａと、背負子本体３ａの上部に形成された上部形成部３ｂとからなっている。　 The backpack 3 and the mounting portion 6 are made of, for example, a synthetic resin. In this case, it is preferable that the backpack 3 and the mounting portion 6 have a structure having a hollow portion by blow molding in order to reduce the weight, improve the strength, and reduce the cost. The backpack 3 includes a backpack main body 3a and an upper forming portion 3b formed on the top of the backpack main body 3a. *
背負子本体３ａにはクッション材からなる背当てパッド１７が設けられている。上部形成部３ｂは、後方斜め上方に傾斜して形成されており、その中央部に横長の開口部１８を設けることにより取手部１９が形成されている。この取手部１９と、背負子本体３ａの両側下部に設けられた孔部２０との間に肩掛けベルト２１が取付けられている。 A back pad 17 made of a cushion material is provided on the back carrier body 3a. The upper formation portion 3b is formed to be inclined obliquely upward and rearward, and a handle portion 19 is formed by providing a horizontally long opening 18 at the center thereof. A shoulder belt 21 is attached between the handle portion 19 and holes 20 provided at lower portions on both sides of the backpack main body 3a.
搭載部６は、背面部６ａ及び底面部６ｂを有する断面略Ｌ字状に形成され、その両側部に背面部６ａと底面部６ｂとを結ぶ側板部６ｃを一体的に有する強度の高い構造とされている。搭載部６の背面部６ａと背負子３との間には、振動を吸収する複数例えば４個の弾性部材例えばコイルばね２２が介設されている。　 The mounting portion 6 is formed in a substantially L-shaped cross section having a back surface portion 6a and a bottom surface portion 6b, and has a high-strength structure that integrally has side plate portions 6c that connect the back surface portion 6a and the bottom surface portion 6b on both sides thereof. Has been. Between the back surface portion 6a of the mounting portion 6 and the backpack 3, a plurality of, for example, four elastic members, for example, coil springs 22, that absorb vibration are interposed. *
搭載部６の底面部６ｂの上面には、手持式送風機２の底部に設けられた脚部２３を係合するための凹状の受け部２４が形成されている。また、搭載部６の背面部６ａには、図１、図３ないし図６に示すように、手持式送風機２のハンドル８の側面部を当接させるための当接部２５が形成されていると共に、ハンドル８を外側から覆うカバー２６がヒンジ２７を介して上下方向に開閉可能に設けられている。　 On the upper surface of the bottom surface portion 6 b of the mounting portion 6, a concave receiving portion 24 for engaging the leg portion 23 provided on the bottom portion of the hand-held blower 2 is formed. Further, as shown in FIGS. 1, 3 to 6, a contact portion 25 for contacting the side surface portion of the handle 8 of the hand-held blower 2 is formed on the back surface portion 6 a of the mounting portion 6. A cover 26 that covers the handle 8 from the outside is provided via a hinge 27 so as to be opened and closed in the vertical direction. *
受け部２４には、ゴム等の弾性体からなる保持部材２４ａが配設され、手持式送風機２の脚部との間に介在することで、手持式送風機２から搭載部６に伝達される振動の低減を図っている。　 The receiving part 24 is provided with a holding member 24 a made of an elastic body such as rubber, and is interposed between the holding part 24 a and the leg part of the hand-held fan 2, so that vibration transmitted from the hand-held fan 2 to the mounting part 6 is transmitted. We are trying to reduce it. *
カバー２６は、ヒンジ２７と離れる側の左右両端部に手によって操作可能な摘み部４１が形成された開閉ねじ４２を回転可能に保持すると共に、開閉ねじ４２の雄ねじ部４３が搭載部６に形成された雌ねじ部４４と螺合することで、手持ち式送風機２のハンドル８を搭載部６に固定保持することができるようになっている。当接部２５とカバー２６の内側面には、弾性体からなる当接部材２８が取り付けられている。当接部材２８は、突起部２８ａと当接面２８ｂを有し、突起部２８ａが当接部２５及びカバー２６にそれぞれ形成された孔部２９と嵌合している。　 The cover 26 rotatably holds an open / close screw 42 having a knob 41 that can be operated by hand at both left and right ends on the side away from the hinge 27, and a male screw 43 of the open / close screw 42 is formed on the mounting portion 6. The handle 8 of the hand-held blower 2 can be fixedly held on the mounting portion 6 by being screwed with the female screw portion 44 thus made. A contact member 28 made of an elastic body is attached to the inner surface of the contact portion 25 and the cover 26. The abutting member 28 has a protruding portion 28 a and an abutting surface 28 b, and the protruding portion 28 a is fitted into holes 29 formed in the abutting portion 25 and the cover 26, respectively. *
上記構成の搭載部６において、カバー２６を開いた状態で受け部２４の保持部材２４ａ上に手持式送風機２を搭載するとともに、カバー２６を閉じ、開閉ねじ４２を捩じ込むことで、当接部２５側の当接部材２８とカバー側の当接部材２８によりハンドル８を挟み込んでいる。これにより手持式送風機２から伝達される振動を低減しながら、搭載部６への手持式送風機２の確実な位置決め及び取り付けを行なうことができる。また、作業者は手持式送風機２が搭載された状態において、開閉ねじ４２を解除することによって手持ち式送風機２を容易に取外し可能な状態とすることができる。 In the mounting portion 6 having the above-described configuration, the hand-held blower 2 is mounted on the holding member 24a of the receiving portion 24 with the cover 26 opened, the cover 26 is closed, and the opening / closing screw 42 is screwed into contact. The handle 8 is sandwiched between the contact member 28 on the side 25 and the contact member 28 on the cover side. Thereby, positioning and attachment of the hand-held fan 2 to the mounting part 6 can be performed while reducing vibration transmitted from the hand-held fan 2. In addition, the operator can easily remove the hand-held blower 2 by releasing the opening and closing screw 42 in a state where the hand-held blower 2 is mounted.
手持式送風機２は、側方に延出された送風口部３０を有し、この送風口部３０には、前方へ屈曲されたＬ字状の送風管３１を介して蛇腹管部３２を有する送風ノズル５が接続されている。なお、ハンドル部４と搭載部６との間には、第１のプッシュプルワイヤ１３及び第２のプッシュプルワイヤ１５を保護する保護パイプ３３が設けられている。　 The hand-held blower 2 has a blower port portion 30 extending laterally, and the blower port portion 30 has a bellows tube portion 32 via an L-shaped blower tube 31 bent forward. The blower nozzle 5 is connected. A protective pipe 33 that protects the first push-pull wire 13 and the second push-pull wire 15 is provided between the handle portion 4 and the mounting portion 6. *
第１のプッシュプルワイヤ１３は、一端がハンドル部４のスロットルレバー操作部１４と接続され、他端が手持式送風機２のスロットルレバー９を操作するためのプッシュレバー３４の一端に接続されている。プッシュレバー３４は、搭載部６に回動軸３５を介して回動自在に配置され、第１のプッシュプルワイヤ１３と回動軸３５を挟んで反対側である他端にはスロットルレバー９をその図示しない復帰ばねの復元力を抗して操作するピン部４６が設けられている。このピン部４６は、手持式送風機２の搭載時におけるループ状のハンドル８の内側に位置されるように設定されている。　 One end of the first push-pull wire 13 is connected to the throttle lever operating portion 14 of the handle portion 4, and the other end is connected to one end of a push lever 34 for operating the throttle lever 9 of the hand-held blower 2. . The push lever 34 is rotatably disposed on the mounting portion 6 via a rotation shaft 35, and the throttle lever 9 is provided at the other end on the opposite side across the first push-pull wire 13 and the rotation shaft 35. A pin portion 46 that is operated against the restoring force of the return spring (not shown) is provided. The pin portion 46 is set so as to be positioned inside the loop-shaped handle 8 when the hand-held blower 2 is mounted. *
図６に示す状態において、第１のプッシュプルワイヤ１３の引き操作を行うと、プッシュレバー３４が回動軸３５を中心に図６中時計回りに回動してスロットルレバー９と係合し、スロットルレバー９が引かれ、エンジン７の回転数が上がる。第１のプッシュプルワイヤ１３の引き操作を解除すると、プッシュレバー３４はスロットルレバー９の復帰ばねの復元力により反時計回りに回動され、初期位置に戻る。　 When the first push-pull wire 13 is pulled in the state shown in FIG. 6, the push lever 34 rotates clockwise in FIG. 6 around the rotation shaft 35 and engages with the throttle lever 9. The throttle lever 9 is pulled, and the rotational speed of the engine 7 increases. When the pulling operation of the first push-pull wire 13 is released, the push lever 34 is rotated counterclockwise by the restoring force of the return spring of the throttle lever 9 and returns to the initial position. *
第２のプッシュプルワイヤ１５は、一端がハンドル部４の停止スイッチ操作部１６と接続され、他端がスイッチレバー４７と接続されている。スイッチレバー４７は、停止スイッチ１０の上方に位置しており、第２のプッシュプルワイヤ１５が引かれると、回動軸４８を中心として図６中反時計回りに回動し、停止スイッチ１０の操作が行われる。尚、カバー２６には切欠き４９が形成され、停止スイッチ１０は、前記切欠き４９に位置し、カバー２６を閉じた状態においても直接操作することが可能となっている。　 One end of the second push-pull wire 15 is connected to the stop switch operation unit 16 of the handle unit 4, and the other end is connected to the switch lever 47. The switch lever 47 is located above the stop switch 10, and when the second push-pull wire 15 is pulled, the switch lever 47 rotates counterclockwise in FIG. The operation is performed. The cover 26 is formed with a notch 49, and the stop switch 10 is located in the notch 49 and can be directly operated even when the cover 26 is closed. *
次に、以上の構成からなる背負い式送風作業機１の作用を説明する。先ず、背負い式送風作業機１のエンジン７を始動してから、背負子３の肩掛けベルト２１を作業者の両肩に掛けて背負い式送風作業機１を背負う。そして、送風ノズル５のハンドル部４を手で掴み、スロットルレバー操作部１４を引きプッシュレバー３４を遠隔操作することで手持式送風機２のスロットルレバー９を引くことで、送風ノズル５から噴射される送風によりごみを所定の方向に吹き飛ばしながら清掃を行えばよい。また、エンジンを停止させる場合は停止スイッチ操作部１６にてスイッチレバー４７を遠隔操作して、停止スイッチ１０を押せばよい。 Next, an operation of the backpack type blower working machine 1 having the above configuration will be described. First, after starting the engine 7 of the backpack type blower working machine 1, the shoulder belt 21 of the backpack 3 is hung on both shoulders of the operator and the backpack type blower working machine 1 is carried on the back. Then, the handle portion 4 of the blower nozzle 5 is grasped by hand, the throttle lever operation portion 14 is pulled, and the push lever 34 is remotely operated to pull the throttle lever 9 of the hand-held blower 2, whereby the blower nozzle 5 ejects the blower nozzle 5. Cleaning may be performed while blowing off dust in a predetermined direction by blowing air. In order to stop the engine, the stop switch 10 may be operated by remotely operating the switch lever 47 using the stop switch operation unit 16 and pressing the stop switch 10.
以上の構成からなる本実施形態の背負い式送風作業機１によれば、手持式送風機２と、手持式送風機２が着脱可能に搭載される背負子３と、手持式送風機２に接続される、ハンドル部４を有する送風ノズル５と、を備えているため、比較的に軽量で小型の背負い式送風作業機１を構成することができ、作業性の向上を図ることができると共にコストの低減を図ることができる。　 According to the backpack type blower working machine 1 of the present embodiment having the above-described configuration, the handle is connected to the handheld blower 2, the backpack 3 on which the handheld blower 2 is detachably mounted, and the handheld blower 2. Since the blower nozzle 5 having the portion 4 is provided, the relatively light and small backpack type blower working machine 1 can be configured, and the workability can be improved and the cost can be reduced. be able to. *
この場合、背負子３が、手持式送風機２を着脱可能に搭載するための搭載部６を有しているため、手持式送風機２を容易に搭載することができると共に、背負い式送風作業機１として使用することができる。　 In this case, since the backpack 3 has the mounting part 6 for detachably mounting the hand-held fan 2, the hand-held fan 2 can be easily mounted, and as the back-loading fan 1. Can be used. *
従来の背負い式ブロワは、小型ブロワと比較して付属部品も多くなり、大型化による重量の増大やコストの上昇を余儀なくされていたが、本実施の形態の背負い式送風作業機１によれば、付属品も少なく、小型化及び軽量化を図ることができ、作業性の向上及びコストの低減を図ることができる。また、作業場所の広さや作業時間等、作業状況に合わせて、手持ちで作業するか背負って作業するかを任意に選択することができるため、作業性の更なる向上を図ることができる。　 The conventional shoulder blower has more accessories than the small blower, and has been forced to increase in weight and cost due to the increase in size, but according to the shoulder blower 1 of the present embodiment, Also, there are few accessories, so that the size and weight can be reduced, and the workability can be improved and the cost can be reduced. In addition, since it is possible to arbitrarily select whether to work by hand or to carry on the back according to the work situation such as the size of the work place and the work time, it is possible to further improve workability. *
また、手持式送風作業機２が、図示しない送風ファンと、送風ファンを駆動するエンジン７と、エンジン７の出力を制御するスロットルレバー９と、エンジン７を停止する停止スイッチ１０と、を有し、ハンドル部４に、スロットルレバー９を遠隔操作するスロットルレバー操作部１４と、停止スイッチ１０を遠隔操作する停止スイッチ操作部１６と、を有しているため、操作が容易にでき、作業性を向上させることができる。　 Further, the hand-held blower working machine 2 has a blower fan (not shown), an engine 7 that drives the blower fan, a throttle lever 9 that controls the output of the engine 7, and a stop switch 10 that stops the engine 7. The handle portion 4 has a throttle lever operating portion 14 for remotely operating the throttle lever 9 and a stop switch operating portion 16 for remotely operating the stop switch 10, so that the operation can be facilitated and the workability can be improved. Can be improved. *
更に、搭載部６と背負子３との間に、振動を吸収する弾性部材例えばコイルばね２２が設けられているため、エンジン７から背負子３に伝達される振動を吸収ないし低減することができ、作業性の更なる向上を図ることができる。 Further, since an elastic member that absorbs vibration, such as a coil spring 22, is provided between the mounting portion 6 and the backpack 3, vibration transmitted from the engine 7 to the backpack 3 can be absorbed or reduced. Further improvement in sex can be achieved.
また、手持式送風機２に接続される、ハンドル部４を有する送風ノズル５を備えているため、送風ノズル５を容易に操作することができ、作業性の更なる向上を図ることができる。 Moreover, since the blower nozzle 5 having the handle portion 4 connected to the hand-held blower 2 is provided, the blower nozzle 5 can be easily operated and workability can be further improved.
１　背負い式送風作業機
２　手持式送風機
３　背負子
４　ハンドル部
５　送風ノズル
６　搭載部
６ａ　背面部
６ｂ　底面部
６ｃ　側板部
７　エンジン
８　ハンドル
９　スロットルレバー
１０　停止スイッチ
１１　燃料タンク
１２　スタータハンドル
１３　第１のプッシュプルワイヤ
１４　スロットルレバー操作部
１５　第２のプッシュプルワイヤ
１６　停止スイッチ操作部
１７　背当てパッド
１８　開口部
１９　取手部
２０　孔部
２１　肩掛けベルト
２２　コイルばね
２３　脚部
２４　受け部
２５　当接部
２６　カバー
２７　ヒンジ
２８ａ，２８ｂ　突起部
２９ａ，２９ｂ　孔部
３０　送風口部
３１　送風管
３２　蛇腹管部
３３　保護パイプ
４０　送風ノズル部
４１　摘み部
４２　開閉ねじ
４３　雄ねじ部
４４　雌ねじ部
４５　回動軸
４７　スイッチレバー
４８　回動軸
４９　切欠き DESCRIPTION OF SYMBOLS 1 Back type blower working machine 2 Hand-held type blower 3 Back loader 4 Handle part 5 Air blow nozzle 6 Mount part 6a Back surface part 6b Bottom face part 6c Side plate part 7 Engine 8 Handle 9 Throttle lever 10 Stop switch 11 Fuel tank 12 Starter handle 13 1st Push-pull wire 14 Throttle lever operation part 15 Second push-pull wire 16 Stop switch operation part 17 Back pad 18 Opening part 19 Handle part 20 Hole part 21 Shoulder belt 22 Coil spring 23 Leg part 24 Receiving part 25 Contact part 26 Cover 27 Hinge 28a, 28b Protrusion part 29a, 29b Hole part 30 Blower port part 31 Blower pipe 32 Bellows pipe part 33 Protective pipe 40 Blower nozzle part 41 Knob part 42 Opening / closing screw 43 Male thread part 44 Female thread part 45 Rotating shaft 47 Switch lever 48 Rotating shaft 49 Notch

Claims (10)

  1. 手持式送風機と、前記手持式送風機が着脱可能に搭載される背負子と、前記手持式送風機に接続される、ハンドル部を有する送風ノズルと、を備えた、背負い式送風作業機。 A backpack-type blower working machine comprising: a handheld blower; a backpack on which the handheld blower is detachably mounted; and a blower nozzle having a handle portion connected to the handheld blower.
  2. 前記背負子が、前記手持式送風機を工具不要で固定解除可能とする、請求項１記載の背負い式送風作業機。 The backpack type blower working machine according to claim 1, wherein the backpack allows the hand-held blower to be fixed and released without a tool.
  3. 前記手持式送風機が、送風ファンと、前記送風ファンを駆動するエンジンと、前記エンジンの出力を制御するスロットルレバーを有し、前記スロットルレバーを遠隔操作するスロットルレバー操作部を有する、請求項１又は２に記載の背負い式送風作業機。 The hand-held blower has a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever. The shoulder-type air blower according to 2.
  4. 前記スロットルレバー操作部は、前記ハンドル部に設けられている、請求項３に記載の背負い式送風作業機。 The backpack type blower working machine according to claim 3, wherein the throttle lever operation section is provided on the handle section.
  5. 前記手持式送風機が、前記エンジンを停止する停止スイッチを有し、前記停止スイッチを遠隔操作する停止スイッチ操作部を有する、請求項１乃至４の何れかに記載の背負い式送風作業機。 The backpack type blower working machine according to any one of claims 1 to 4, wherein the hand-held blower has a stop switch for stopping the engine and has a stop switch operation unit for remotely operating the stop switch.
  6. 前記手持式送風機と前記背負子との間に、振動を吸収する弾性部材が設けられる、請求項１乃至５の何れかに記載の背負い式送風作業機。 The backpack type blower working machine according to any one of claims 1 to 5, wherein an elastic member that absorbs vibration is provided between the hand-held blower and the backpack.
  7. 手持式送風機が着脱可能に搭載される、背負子。 A backpack on which a hand-held blower is detachably mounted.
  8. 前記手持式送風機が工具不要で固定解除可能とする、請求項７記載の背負子。 The backpack according to claim 7, wherein the hand-held blower can be fixed and released without a tool.
  9. 前記手持式送風機が、送風ファンと、前記送風ファンを駆動するエンジンと、前記エンジンの出力を制御するスロットルレバーを有し、前記スロットルレバーを遠隔操作するスロットルレバー操作部を有する、請求項７又は８記載の背負子。 The hand-held blower has a blower fan, an engine that drives the blower fan, a throttle lever that controls the output of the engine, and a throttle lever operation unit that remotely operates the throttle lever. The backpack according to 8.
  10. 前記手持式送風機との間に、振動を吸収する弾性部材が設けられる、請求項７乃至９の何れかに記載の背負子。  The backpack according to claim 7, wherein an elastic member that absorbs vibration is provided between the hand-held blower.
PCT/JP2014/067142 2013-07-10 2014-06-27 Over-the-shoulder type air-blowing work machine and over-the-shoulder frame WO2015005140A1 (en)

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JP2013-145017 2013-07-10

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Publication number Priority date Publication date Assignee Title
CN106105798A (en) * 2016-02-22 2016-11-16 常州格力博有限公司 A kind of operate handle and the backpack hair-dryer with this operation handle
WO2016188410A1 (en) * 2015-05-25 2016-12-01 南京德朔实业有限公司 Fan system
CN106284148A (en) * 2015-05-11 2017-01-04 南京德朔实业有限公司 Hair drier
WO2017143922A1 (en) * 2016-02-22 2017-08-31 常州格力博有限公司 Piggyback working appliance, piggyback blower, and control handle assembly
US11434929B2 (en) 2019-08-02 2022-09-06 Techtronic Cordless Gp Blowers having noise reduction features
US11778960B2 (en) 2020-01-21 2023-10-10 Techtronic Cordless Gp Blowers
US11817073B2 (en) 2020-01-21 2023-11-14 Techtronic Cordless Gp Power tool having noise reduction features

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JP2002054112A (en) * 2000-08-10 2002-02-20 Kioritz Corp Frame for carrying article on the back
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JPS56116419U (en) * 1980-02-01 1981-09-07
JPH05214715A (en) * 1992-02-04 1993-08-24 Mitsubishi Heavy Ind Ltd Back-pack blower device
JP2002054112A (en) * 2000-08-10 2002-02-20 Kioritz Corp Frame for carrying article on the back
JP2006517630A (en) * 2003-02-12 2006-07-27 アクティエボラゲット エレクトロラックス Blower handle device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284148A (en) * 2015-05-11 2017-01-04 南京德朔实业有限公司 Hair drier
CN106284148B (en) * 2015-05-11 2018-05-11 南京德朔实业有限公司 Hair drier
WO2016188410A1 (en) * 2015-05-25 2016-12-01 南京德朔实业有限公司 Fan system
CN106105798A (en) * 2016-02-22 2016-11-16 常州格力博有限公司 A kind of operate handle and the backpack hair-dryer with this operation handle
WO2017143922A1 (en) * 2016-02-22 2017-08-31 常州格力博有限公司 Piggyback working appliance, piggyback blower, and control handle assembly
CN106105798B (en) * 2016-02-22 2023-08-22 格力博(江苏)股份有限公司 Operating handle and backpack blower with same
US11434929B2 (en) 2019-08-02 2022-09-06 Techtronic Cordless Gp Blowers having noise reduction features
US11841023B2 (en) 2019-08-02 2023-12-12 Techtronic Cordless Gp Blowers having noise reduction features
US11778960B2 (en) 2020-01-21 2023-10-10 Techtronic Cordless Gp Blowers
US11817073B2 (en) 2020-01-21 2023-11-14 Techtronic Cordless Gp Power tool having noise reduction features

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