WO2017207548A1 - Clé à impulsions dotée d'un moyen de commande d'alimentation auxiliaire - Google Patents

Clé à impulsions dotée d'un moyen de commande d'alimentation auxiliaire Download PDF

Info

Publication number
WO2017207548A1
WO2017207548A1 PCT/EP2017/063003 EP2017063003W WO2017207548A1 WO 2017207548 A1 WO2017207548 A1 WO 2017207548A1 EP 2017063003 W EP2017063003 W EP 2017063003W WO 2017207548 A1 WO2017207548 A1 WO 2017207548A1
Authority
WO
WIPO (PCT)
Prior art keywords
wrench
housing
power control
impulse wrench
control device
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.)
Ceased
Application number
PCT/EP2017/063003
Other languages
English (en)
Inventor
Thomas David PYDDOKE
NICLAS Mikael WIKLUND
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.)
Atlas Copco Industrial Technique AB
Original Assignee
Atlas Copco Industrial Technique AB
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 Atlas Copco Industrial Technique AB filed Critical Atlas Copco Industrial Technique AB
Priority to CN201780032172.9A priority Critical patent/CN109153111B/zh
Priority to JP2018563471A priority patent/JP7086866B2/ja
Publication of WO2017207548A1 publication Critical patent/WO2017207548A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

Definitions

  • the invention relates to an impulse type power wrench including a housing, a motor, and an output shaft, wherein the housing includes a pistol grip handle with a trigger for controlling the power supply to the motor.
  • Power wrenches of this type are commonly supplied with power via a power supply line, usually a pressure air hose, connected to the lower or outer end of the pistol grip handle, and in many cases the wrench is suspended in the pressure air hose which extends from above and connected to a weight balancing device.
  • a power supply line usually a pressure air hose
  • the wrench is suspended in the pressure air hose which extends from above and connected to a weight balancing device.
  • It is an object of the invention is to provide a pistol type impulse wrench by which a more comfortable handling of the wrench in an "upside-down" orientation is offered.
  • the "upside- down” orientation means the handle of the tool, in use, is orientated above the tool motor instead of underneath.
  • Fig. 1 shows a side view of an impulse type power wrench according to the invention.
  • Fig. 2a shows schematically the power supply system of the impulse wrench in Fig. 1 and illustrates a power wrench rest position .
  • Fig. 2b shows the power supply system in Fig. 2a and illustrates a "forward" operating mode.
  • Fig. 2c shows the system in Fig. 2a and illustrates a "reverse" operating mode.
  • Fig. 1 shows a pneumatic impulse wrench having a housing 10 with a pistol grip handle 11, and includes a pneumatic motor
  • the pistol grip handle 11 comprises both a pressure air inlet passage having a socket 13 for receiving a pressure air supply conduit 24, and an exhaust passage having a noise damping outlet piece 14. Moreover, the pistol grip carries a finger operated trigger 15 for operating a primary pressure inlet valve, and a directional valve for shifting the motor operation between "forward" operation mode and "reverse” operation mode.
  • the directional valve is operated by a switching device (23) , here exemplified by a arranging a rotatable knob 16 located close to the trigger 15.
  • the pressure air supply conduit 24 has the form of a hose is hanging down from an overhead position where it is coupled to a weight balancing device, wherein the pressure air hose is connected to the socket 13 at the outer end of the pistol grip handle 11. Since the pressure air hose is extended from an over-head position the wrench will be suspended in an uplifted upside-down position with the pistol grip handle 11 directed upwards. When putting the wrench into operation the operator would have to pull down the wrench from its suspended position, but instead of turning it around to get the pistol grip into a "normal" operating position the operator usually grasps the rear end of the wrench housing 10 and start operating the wrench in its upside-down position and starting the wrench by pressing the trigger 15 by one of his fingers.
  • auxiliary power control valve 17 operative by a push button 18 located at the rear end of the housing 10. The function of the auxiliary power control valve 17 will be described in further detail below.
  • Figs. 2a-c there is schematically illustrated a control system by which the power wrench may be operated in two
  • the system comprises a primary pressure air inlet valve 20 connected to a pressure air source 21 via the pressure air conduit 24 and manually operated by the trigger 15 between a closed position and an open position.
  • the primary air inlet valve 20 is biased toward its closed position by a spring 22.
  • the system further includes a mode switching device in the form of a directional valve 23 which is shiftable between a "forward" position and a “reverse” position, and an auxiliary power control valve 17 as mentioned above. The latter has an on/off function and is manually shiftable by the push button 18 from a closed position to an open position.
  • a spring 25 is arranged to bias the valve 17 towards its closed position.
  • the system is connected to the power wrench motor 19 by two passages 26, 27.
  • the control system also comprises a schematically illustrated a movement transferring and position retaining mechanism 28 provided between the primary air inlet valve 20 and the
  • This mechanism 28 is arranged to transfer movement from the directional valve 23 to the primary inlet valve 20 and to retain the latter in its open position in the "forward" operation mode of the wrench. This arrangement is intended to enable the operator to use the auxiliary power control valve 17 in the "forward" operating mode of the wrench without having to shift the primary inlet valve 20 too.
  • the retaining mechanism 28 comprises an elongate member 30 connected to the directional valve 23 and extending in the movement direction of the latter.
  • This member 30 is provided with a heel 31 and two spaced indentations 33, 34, wherein the heel 31 is arranged to
  • the directional valve 23 Shifting the directional valve 23 to the left, i.e. into its "forward" position, the heel 31 engages the hook 32 and brings the inlet valve 20 its open position.
  • the two indentations 33, 34 are intended to be alternatively engaged by a spring biased plunge 35 to thereby accomplish directional valve 23 retaining and position defining action.
  • the retaining device also functions as a holding means for retaining both the directional valve 23 in its "forward" position and the inlet valve 20 in its open position. Retaining the primary inlet valve 20 in its open position is accomplished by the engagement between the heel 31 and the hook 32. See Fig. 2b.
  • the directional valve 23 In the "reverse" operation mode of the power wrench the directional valve 23 is put into its right hand position, whereby the heel 31 is moved out of engagement with hook 32 and the inlet valve 20 is free to return to its closed position.
  • the auxiliary valve 17 is operative to control the wrench operation in the "forward" operation mode when the primary inlet valve 20 is retained in its open position, but is bypassed without any influence on the power control in the "reverse” operation mode. See Fig. 2c.
  • the embodiments of the invention are not limited to the above described example but could be freely varied within the scope of the claims.
  • the pressure air inlet valve 20 and the auxiliary valve 17 may very well be biased toward their closed positions by air pressure instead of springs as described above.
  • the retaining mechanism 28 may be of a quite different design than the one illustrated and described above but should provide the very same function .
  • the invention is described in connection with a pneumatic impulse wrench the invention may as well be applied on electric impulse wrenches. Also in that case the power wrench may be suspended in an upside-down orientation in an overhead weight balancing device and grasped by the operator in that position for performing an intended work.
  • the power control and directional valves described above would of course be replaced by electric switches as would the retaining mechanism.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

La présente invention concerne une clé à impulsions comprenant un logement (10), un moteur et un arbre de sortie (12) s'étendant depuis l'extrémité avant du logement (10), le logement (10) comprenant une poignée de pistolet (11) dotée d'une gâchette (15) permettant d'actionner un dispositif de commande d'alimentation principal (20), un dispositif de commande d'alimentation auxiliaire (17) étant disposé à l'extrémité arrière du logement (10) pour une commande alternative de l'alimentation électrique au moteur, et un dispositif de raccordement (13) pour un conduit d'alimentation électrique (24) étant disposé à l'extrémité externe de la poignée de pistolet (11) par laquelle la clé est raccordée à un dispositif de suspension à la verticale dans une position de repos "renversée". Le dispositif de commande d'alimentation auxiliaire (17) est destiné à faciliter l'utilisation de la clé d'alimentation dans l'orientation "renversée".
PCT/EP2017/063003 2016-06-03 2017-05-30 Clé à impulsions dotée d'un moyen de commande d'alimentation auxiliaire Ceased WO2017207548A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780032172.9A CN109153111B (zh) 2016-06-03 2017-05-30 具有辅助动力控制装置的脉冲扳手
JP2018563471A JP7086866B2 (ja) 2016-06-03 2017-05-30 補助パワー制御手段を備えたインパルスレンチ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1630137 2016-06-03
SE1630137-6 2016-06-03

Publications (1)

Publication Number Publication Date
WO2017207548A1 true WO2017207548A1 (fr) 2017-12-07

Family

ID=58800828

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/063003 Ceased WO2017207548A1 (fr) 2016-06-03 2017-05-30 Clé à impulsions dotée d'un moyen de commande d'alimentation auxiliaire

Country Status (3)

Country Link
JP (1) JP7086866B2 (fr)
CN (1) CN109153111B (fr)
WO (1) WO2017207548A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228523A (en) * 1990-10-19 1993-07-20 Atlas Copco Tools Ab Pneumatic power tool
US6851344B1 (en) * 2002-08-09 2005-02-08 Productworks Llc Hand tool with bit changing mechanism
DE202005011077U1 (de) * 2005-07-14 2005-09-22 Interflow Corp., Anting Elektrowerkzeug mit voreinstellbarer digitaler Steuerung des Ausgangsdrehmoments

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928476U (ja) * 1982-08-11 1984-02-22 株式会社マキタ電機製作所 電動工具におけるスイツチレバの支持装置
US5014793A (en) * 1989-04-10 1991-05-14 Measurement Specialties, Inc. Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools
JP2515937Y2 (ja) * 1989-12-06 1996-11-06 九州日立マクセル株式会社 電動工具
SE469550B (sv) * 1990-10-19 1993-07-26 Atlas Copco Tools Ab Pneumatiskt motordrivet verktyg
JP3996475B2 (ja) * 2002-09-13 2007-10-24 株式会社信濃製作所 エアインパクトレンチ
JP5536598B2 (ja) * 2010-09-17 2014-07-02 株式会社マキタ 変速スイッチ
SE535459C2 (sv) * 2010-10-27 2012-08-14 Atlas Copco Tools Ab Tryckluftdrivet momentimpulsåtdragningsverktyg med stegvis avstängningsfunktion
JP5772469B2 (ja) * 2011-10-06 2015-09-02 トヨタ自動車株式会社 締付工具
JP5974616B2 (ja) * 2012-04-30 2016-08-23 日立工機株式会社 電動工具
CN203510050U (zh) * 2013-08-11 2014-04-02 湖州大秦建筑装饰工程有限公司 一种电动螺丝刀
CN203579510U (zh) * 2013-11-19 2014-05-07 国网山东齐河县供电公司 一种多头电动螺丝刀

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228523A (en) * 1990-10-19 1993-07-20 Atlas Copco Tools Ab Pneumatic power tool
US6851344B1 (en) * 2002-08-09 2005-02-08 Productworks Llc Hand tool with bit changing mechanism
DE202005011077U1 (de) * 2005-07-14 2005-09-22 Interflow Corp., Anting Elektrowerkzeug mit voreinstellbarer digitaler Steuerung des Ausgangsdrehmoments

Also Published As

Publication number Publication date
JP2019517394A (ja) 2019-06-24
CN109153111B (zh) 2020-10-30
CN109153111A (zh) 2019-01-04
JP7086866B2 (ja) 2022-06-20

Similar Documents

Publication Publication Date Title
US8230942B2 (en) Power tool with improved start actuator
EP2527088B1 (fr) Outil à main avec poignée rotative
CN112997674B (zh) 园林工具抓握装置以及相应的系统和方法
CN101253015A (zh) 动力工具
US20120260777A1 (en) Protective gripping sleeve on rotating tool extension arm
US6669543B2 (en) Interchangeable handle grip assembly, conversion kit, and tools incorporating same
JP7541029B2 (ja) 手持ち式電動工具
US6079639A (en) Auxiliary handle with latching trigger for power washer pressure gun
EP3254005B1 (fr) Soupape de sécurité pour un outil hydraulique ou pneumatique
EP0968641A3 (fr) Dispositif de levier de commande pour machine à moteur
CA2597007A1 (fr) Machine-outil avec partie poignee amovible
US7389714B1 (en) Dual action locking pliers
US7587962B2 (en) Ratcheting handle for a tool
WO2017207548A1 (fr) Clé à impulsions dotée d'un moyen de commande d'alimentation auxiliaire
WO2009099376A1 (fr) Dispositif pour un tournevis électrique et tournevis électrique
WO2021093978A1 (fr) Dispositif de support pour tuyau souple sous pression et système comprenant un tuyau souple sous pression et un dispositif de support
US12594659B2 (en) Fluid-powered torque wrench with fluid pump controls
US20150010369A1 (en) Motor Powered Milling Machine Vice Clamping Actuator For Use With A Milling Machine
CN220113235U (zh) 一种开关多功能的气动工具
JPH0623678A (ja) 手持型動力工具
CN101888919A (zh) 把手
EP2792454A2 (fr) Outil pneumatique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17726622

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018563471

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17726622

Country of ref document: EP

Kind code of ref document: A1