WO2015005140A1 - Engin de chantier de soufflage d'air du type sur l'épaule, et châssis sur l'épaule - Google Patents

Engin de chantier de soufflage d'air du type sur l'épaule, et châssis sur l'épaule 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
Authority
WO
WIPO (PCT)
Prior art keywords
blower
backpack
hand
held
throttle lever
Prior art date
Application number
PCT/JP2014/067142
Other languages
English (en)
Japanese (ja)
Inventor
賢二 長沼
Original Assignee
日立工機株式会社
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 日立工機株式会社 filed Critical 日立工機株式会社
Publication of WO2015005140A1 publication Critical patent/WO2015005140A1/fr

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Classifications

    • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

L'invention concerne un engin de chantier de soufflage d'air du type sur l'épaule et un châssis sur l'épaule, qui permettent de réduire les coûts. Un engin de chantier de soufflage d'air du type sur l'épaule (1) comprend une souffleuse du type portative (2), un châssis sur l'épaule (3) sur lequel est installée de façon amovible la souffleuse du type portative (2), et une buse de souffleuse (5) qui est reliée à la souffleuse du type portative (2) et qui a un manche (4).
PCT/JP2014/067142 2013-07-10 2014-06-27 Engin de chantier de soufflage d'air du type sur l'épaule, et châssis sur l'épaule WO2015005140A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013145017 2013-07-10
JP2013-145017 2013-07-10

Publications (1)

Publication Number Publication Date
WO2015005140A1 true WO2015005140A1 (fr) 2015-01-15

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ID=52279826

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Application Number Title Priority Date Filing Date
PCT/JP2014/067142 WO2015005140A1 (fr) 2013-07-10 2014-06-27 Engin de chantier de soufflage d'air du type sur l'épaule, et châssis sur l'épaule

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WO (1) WO2015005140A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106105798A (zh) * 2016-02-22 2016-11-16 常州格力博有限公司 一种操作手柄及带有该操作手柄的背负式吹风机
WO2016188410A1 (fr) * 2015-05-25 2016-12-01 南京德朔实业有限公司 Système de ventilateur
CN106284148A (zh) * 2015-05-11 2017-01-04 南京德朔实业有限公司 吹风机
WO2017143922A1 (fr) * 2016-02-22 2017-08-31 常州格力博有限公司 Appareil de travail porté sur les épaules, soufflante portée sur les épaules, et ensemble de poignée de commande
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116419U (fr) * 1980-02-01 1981-09-07
JPH05214715A (ja) * 1992-02-04 1993-08-24 Mitsubishi Heavy Ind Ltd 背負式ブロア装置
JP2002054112A (ja) * 2000-08-10 2002-02-20 Kioritz Corp 背負架台
JP2006517630A (ja) * 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 送風機用ハンドル装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116419U (fr) * 1980-02-01 1981-09-07
JPH05214715A (ja) * 1992-02-04 1993-08-24 Mitsubishi Heavy Ind Ltd 背負式ブロア装置
JP2002054112A (ja) * 2000-08-10 2002-02-20 Kioritz Corp 背負架台
JP2006517630A (ja) * 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 送風機用ハンドル装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284148A (zh) * 2015-05-11 2017-01-04 南京德朔实业有限公司 吹风机
CN106284148B (zh) * 2015-05-11 2018-05-11 南京德朔实业有限公司 吹风机
WO2016188410A1 (fr) * 2015-05-25 2016-12-01 南京德朔实业有限公司 Système de ventilateur
CN106105798A (zh) * 2016-02-22 2016-11-16 常州格力博有限公司 一种操作手柄及带有该操作手柄的背负式吹风机
WO2017143922A1 (fr) * 2016-02-22 2017-08-31 常州格力博有限公司 Appareil de travail porté sur les épaules, soufflante portée sur les épaules, et ensemble de poignée de commande
CN106105798B (zh) * 2016-02-22 2023-08-22 格力博(江苏)股份有限公司 一种操作手柄及带有该操作手柄的背负式吹风机
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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