EP2527097A1 - Schwerer elektrischer multifunktionshammer mit zwei stellknöpfen - Google Patents

Schwerer elektrischer multifunktionshammer mit zwei stellknöpfen Download PDF

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Publication number
EP2527097A1
EP2527097A1 EP10843674A EP10843674A EP2527097A1 EP 2527097 A1 EP2527097 A1 EP 2527097A1 EP 10843674 A EP10843674 A EP 10843674A EP 10843674 A EP10843674 A EP 10843674A EP 2527097 A1 EP2527097 A1 EP 2527097A1
Authority
EP
European Patent Office
Prior art keywords
wheel
clutch
bevel gear
shaft
knob
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.)
Withdrawn
Application number
EP10843674A
Other languages
English (en)
French (fr)
Other versions
EP2527097A4 (de
Inventor
Wenjiang Wang
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.)
Zhejiang Haiwang Electric Machine Co Ltd
Original Assignee
Zhejiang Haiwang Electric Machine Co Ltd
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 Zhejiang Haiwang Electric Machine Co Ltd filed Critical Zhejiang Haiwang Electric Machine Co Ltd
Publication of EP2527097A1 publication Critical patent/EP2527097A1/de
Publication of EP2527097A4 publication Critical patent/EP2527097A4/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/06—Means for driving the impulse member
    • B25D2211/068—Crank-actuated impulse-driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0084—Mode-changing mechanisms
    • B25D2216/0092—Tool comprising two or more collaborating mode-changing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/275—Tools having at least two similar components

Definitions

  • the present invention relates to an electric tool, and more specially relates to a multifunctional electric hammer.
  • a first object of the present invention is to provide a heavy double-button multifunctional electric hammer with simple and reasonable structure, flexible and convenient function switch, low cost, safe and reliable performance.
  • the operating mechanism comprises a stop plate spring, a stop plate, a No. four wheel paddle shifter and a No. five wheel paddle shifter, all of which are installed on the guide pillar in order.
  • the tension springs are installed on No. four and No. five wheel paddle shifters.
  • the tooth fitted with No. five wheel clutch is provided on the stop plate.
  • the stop plate is positioned by a positioning pin.
  • the large knob is provided with No. four and No. five wheel paddle shifters.
  • the shifter slot of No. four wheel clutch is provided with No. four wheel paddle shifter.
  • the shifter slot of No. five wheel clutch is provided with No. five wheel paddle shifter.
  • the shifter slot of No. one wheel clutch is provided with eccentric shifter lever of small knob.
  • the large knob is provided on one side with three-quarter circular shifting block deviated from the center of knob.
  • the three-quarter circular shifting block is provided with a semicircle shifting block between No. four and No. five wheel paddle shifters.
  • the outer edge of three-quarter circular shifting block supports the positioning end of stop plate.
  • One side of the small knob is provided with a shifter lever deviating from the center of knob.
  • the torque clutch and large bevel gear are provided with mating convexo-concave grooves and movably fitted.
  • the No. one wheel and No. one wheel clutch, No. four wheel and No. four wheel clutch, No. five wheel and No. five wheel clutch are provided with mating convexo-concave grooves.
  • the knob is characterized by one side of the large knob being provided with a three-quarter circular shifting block deviating from the center of knob and provided with a semicircle shifting block between No. four and No. five wheel paddle shifts, and the outer edge of three-quarter circular shifting block supporting the positioning end of stop plate.
  • One side of the small knob is provided with an eccentric shifter lever deviating from the center of knob.
  • the torque clutch and rotary bush assembly are hexagon positioned.
  • the rotary bush assembly is movably fitted with the bull gear.
  • the torque clutch and bull gear are provided with mating convexo-concave grooves.
  • a large knob through semicircular paddle shifter and three-quarter circular shifting block, and a small knob through shifting rod fit with various states of stop plate, No. four and No. five wheel paddle shifters.
  • No. four wheel paddle shifter can drive No. four wheel clutch to engage with or disengage from No. four wheel.
  • No. five wheel paddle shifter can drive No. five wheel clutch to engage with or disengage from No. five wheel.
  • Small knob can drive the shifter lever to engage with or disengage from No. one wheel clutch.
  • the electric hammer can smoothly switch among six functions: single drilling of the first type, single drilling of the second type, single hammering, hammering and drilling of the first type, hammering and drilling of the second type, and single hammer angle adjustment.
  • the bull gear is fitted with convexo-concave grooves of the torque clutch and is automatically disengaged when overloading in the function of hammering and drilling 1, hammering and drilling 2, single drilling 1 and single drilling 2. It is characterized by simple structure, flexible and convenient switch, low cost, safe and reliable performance.
  • the benefits of the present invention are characterized by simple and reasonable structure, flexible and convenient switch, low cost, safe and reliable performance.
  • a heavy double-button multifunctional electric hammer comprises a hammer body, a drive motor, a rotary bush assembly, a connecting rod assembly and a torque spring.
  • the drive motor, rotary bush assembly, connecting rod assembly and torque spring are installed on the said body.
  • the torque spring is sleeved on the rotary bush assembly.
  • the connecting rod of connecting rod assembly goes through the lumen of the rotary bush assembly.
  • the electric hammer also comprises an operating mechanism and a multifunctional transmission mechanism comprising a No. one wheel 11, a No. one wheel clutch 10, a No. two wheel 5, a No. three wheel 6, a middle shaft 7, a No. four wheel 14, a No. four wheel clutch 15, a No. five wheel 13, a No. five wheel clutch 12, a small bevel gear 16, a large bevel gear 2, a torque clutch 1, an eccentric shaft 8 and an eccentric shaft spring 9.
  • No. four wheel 14 and No. five wheel 13 are installed on the small bevel gear shaft 16.
  • No. four wheel clutch 15 and No. five wheel clutch 12 are movably installed on the small bevel gear shaft 16.
  • No. four wheel 14 is fitted with No. four wheel clutch 15, and
  • No. five wheel 13 is fitted with No. five wheel clutch 12.
  • the output shaft of the drive motor is connected with No. one wheel 11 and No. two wheel 5 in a transmission way.
  • No. one wheel 11 is installed on the eccentric shaft 8.
  • No. one wheel clutch 10 is movably installed on the eccentric shaft.
  • No. one wheel 11 is fitted with No. one wheel clutch 10.
  • the eccentric shaft spring 9 is installed on the eccentric shaft 8.
  • the eccentric shaft is fixedly connected with the end of the connecting rod assembly; No. two wheel 5 and No. three wheel 6 are tightly fitted on the middle shaft 7.
  • the auxiliary gear on the middle shaft is engaged with No. five wheel 13.
  • the small bevel gear engaged with the large bevel gear is installed on the small bevel gear shaft.
  • the said large bevel gear fitted with the torque clutch 1 is sleeved on the rotary bush assembly.
  • Multifunctional electric hammer of the present invention is heavy double-button 6-functional electric hammer.
  • the knob is characterized by one side of the large knob 20 being provided with three-quarter circular shifting block 28 deviating from the center of knob and provided with semicircle shifting block 27 between No. four wheel paddle shift 18 and No. five wheel paddle shift 17, and the outer edge of three-quarter circular shifting block supporting the positioning end of stop plate 23.
  • One side of the small knob 21 is provided with an eccentric shifter lever 29 deviating from the center of knob.
  • the torque clutch 1 and the rotary bush assembly are hexagonally positioned.
  • the bull gear 2 and the rotary bush assembly 3 are movably fitted.
  • the torque clutch 1 and the bull gear 2 are provided with mating convexo-concave grooves. If torque clutch 1 skids from large bevel gear 2, failing to transfer the rotating force to rotary bush assembly 3, the drill will stop for overload protection. After the load is lightened, electrical hammer will restore normal work.
  • FIG. 2 and FIG. 3 The structure of hammering and drilling of the second type of the present invention is shown in the FIG. 2 and FIG. 3 .
  • the semicircle shifting block 27 on the large knob 20 is clamped between No. four paddle shifter 18 and No. five wheel paddle shifter 17.
  • the outer edge of three-quarter circular shifting block 28 supports the positioning end of stop plate 23.
  • motor output shaft drives No. one wheel 11 and No. two wheel 5 and consequently No. one wheel 11 drives No. one wheel clutch 10.
  • No. one wheel clutch 10 drives eccentric shaft 8 and consequently eccentric shaft 8 drives connecting rod assembly 3 to realize hammering.
  • No. two wheel 5 drives middle shaft 7.
  • the middle shaft 7 drives No. three wheel 6.
  • No. three wheel 6 drives No. four wheel 14.
  • No. four wheel 14 drives No. four wheel clutch 15.
  • No. four wheel clutch 15 drives the small bevel gear 16.
  • the small bevel gear 16 drives the large bevel gear 2.
  • the large bevel gear 2 drives the torque clutch 1.
  • the torque clutch 1 drives the connecting rod assembly 3 to realize drilling. Thus, the two functions of hammering and drilling of electric hammer are realized.
  • FIG. 4 and FIG. 5 The structure of hammering and drilling of the first type of the present invention is shown in the FIG. 4 and FIG. 5 .
  • the semicircle shifting block 27 on the large knob 20 is clamped between the support of paddle shifter 18 of No. four wheel and the surface 17 of No. five wheel paddle shifter.
  • the outer edge of three-quarter circular shifting block 28 supports the positioning end of stop plate 23.
  • motor output shaft drives No. one wheel 11 and No. two wheel 5, and consequently No. one wheel 11 drives No. one wheel clutch 10.
  • No. one wheel clutch 10 drives eccentric shaft 8, and consequently eccentric shaft 8 drives connecting rod assembly 3 to realize hammering.
  • No. two wheel 5 drives middle shaft 7.
  • the middle shaft 7 drives No. five wheel 13.
  • No. five wheel 13 drives No. five wheel clutch 12.
  • No. five wheel clutch 12 drives the small bevel gear 16.
  • the small bevel gear 16 drives the large bevel gear 2.
  • the large bevel gear 2 drives the torque clutch 1.
  • the torque clutch 1 drives the connecting rod assembly 3 to realize drilling. Thus, hammering and drilling 1 function of electric hammer is realized.
  • FIG. 6 and FIG. 7 The structure of single hammering of the present invention is shown in the FIG. 6 and FIG. 7 .
  • the semicircle shifting block 27 on the large knob 20 is clamped between the support of paddle shifter 18 of No. four wheel and the surface 17 of No. five wheel paddle shifter.
  • the flat surface of three-quarter circular shifting block 28 supports the stop plate 23.
  • motor output shaft drives No. one wheel 11 and No. two wheel 5, and consequently No. one wheel 11 drives No. one wheel clutch 10.
  • No. one wheel clutch 10 drives eccentric shaft 8, and consequently eccentric shaft 8 drives connecting rod assembly 3 to realize hammering.
  • FIG. 8-9 The structure drawing of single hammer angle adjustment of the present invention is shown in FIG. 8-9 .
  • turn large knob 20 to the position of single hammer angle adjustment as shown in the FIG. 8-9 .
  • the stop plate 23 is fitted with the outer edge of three-quarter circular shifting block 28.
  • the rotation radius of the semicircle shifting block 27 on the large knob 20 is not changed.
  • the position of No. four wheel paddle shifter 18 and No. five wheel paddle shifter 17 is not changed.
  • stop plate 23 moves down and is disengaged with No. five wheel clutch, and now No. four wheel 14 and the No. five wheel 13 are in the neutral transmission position.
  • Turn the rotary bush assembly to adjust the angle of drills slightly to realize single hammer angle adjustment of electric hammer.
  • FIG. 10 and FIG. 11 The structure of single drilling of the second type of the present invention is shown in the FIG. 10 and FIG. 11 .
  • the semicircle shifting block 27 on the large knob 20 is clamped between the support of paddle shifter 18 of No. four wheel and the surface 17 of No. five wheel paddle shifter.
  • the outer edge of three-quarter circular shifting block 28 supports stop plate 23.
  • the output shaft of drive motor drives No. one wheel 11 and No. two wheel 5. As No. one wheel 11 is disengaged with No. one wheel clutch 10, No. one wheel 11 is in the state of idle running. The eccentric shaft 8 and the electric hammer are not working.
  • No. two wheel 5 drives middle shaft 7.
  • the middle shaft 7 drives No. three wheel 6.
  • No. three wheel 6 drives No. four wheel 14.
  • No. four wheel 14 drives No. four wheel clutch 15.
  • No. four wheel clutch 15 drives the small bevel gear 16.
  • the small bevel gear 16 drives the large bevel gear 2.
  • the large bevel gear 2 drives the torque clutch 1.
  • the torque clutch 1 drives the connecting rod assembly 3 to realize drilling. Thus, drilling 2 function of electric hammer is realized.
  • FIG. 12 and FIG. 13 The structure of single hammering of the first type of the present invention is shown in the FIG. 12 and FIG. 13 .
  • the semicircle shifting block 27 on the large knob 20 is clamped between the support of paddle shifter 18 of No. four wheel and the surface 17 of No. five wheel paddle shifter.
  • the outer edge of three-quarter circular shifting block 28 supports stop plate 23.
  • the output shaft of drive motor drives No. one wheel 11 and No. two wheel 5.
  • No. one wheel 11 is disengaged with No. one wheel clutch 10, No. one wheel 11 is in the state of idle running.
  • the eccentric shaft 8 and the electric hammer are not working.
  • No. two wheel 5 drives middle shaft 7.
  • the middle shaft 7 drives No. five wheel 13.
  • No. five wheel 13 drives No. five wheel clutch 12.
  • No. five wheel clutch 12 drives the small bevel gear 16.
  • the small bevel gear 16 drives the large bevel gear 2.
  • the large bevel gear 2 drives the torque clutch 1.
  • the torque clutch 1 drives the connecting rod assembly 3 to realize drilling. Thus, drilling 1 function of electric hammer is realized.
EP10843674.2A 2010-01-21 2010-03-10 Schwerer elektrischer multifunktionshammer mit zwei stellknöpfen Withdrawn EP2527097A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010100704 CN101767327B (zh) 2010-01-21 2010-01-21 重型双钮多功能电锤
PCT/CN2010/070976 WO2011088632A1 (zh) 2010-01-21 2010-03-10 重型双钮多功能电锤

Publications (2)

Publication Number Publication Date
EP2527097A1 true EP2527097A1 (de) 2012-11-28
EP2527097A4 EP2527097A4 (de) 2016-02-24

Family

ID=42500506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10843674.2A Withdrawn EP2527097A4 (de) 2010-01-21 2010-03-10 Schwerer elektrischer multifunktionshammer mit zwei stellknöpfen

Country Status (3)

Country Link
EP (1) EP2527097A4 (de)
CN (1) CN101767327B (de)
WO (1) WO2011088632A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018021433A1 (ja) * 2016-07-29 2018-02-01 パナソニックＩｐマネジメント株式会社 電動工具

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102808866B (zh) * 2011-05-30 2016-08-17 博世电动工具（中国）有限公司 用于电动工具的离合器和具有这种离合器的电动工具
CN109017712A (zh) * 2018-09-12 2018-12-18 广东富华重工制造有限公司 电动挂车支腿的换挡机构以及电动挂车支腿
CN109555792B (zh) * 2018-12-05 2023-10-13 浙江亚特电器股份有限公司 一种电锤离合装置
CN110509232A (zh) * 2019-09-24 2019-11-29 吴世清 一种多模式切换的锤钻工具
CN115028048B (zh) * 2022-08-11 2023-04-11 射阳港海会议服务有限公司 一种洗浴场所专用的自动扶梯运载装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029728A1 (de) * 2000-06-16 2001-12-20 Hilti Ag Handwerkzeuggerät
DE102004052329A1 (de) * 2004-10-27 2006-05-04 Kress-Elektrik Gmbh & Co. Elektromotorenfabrik Synchronisations- und Schalteinheit für Einknopf-Wahlschalter sowie Elektrowerkzeug mit Synchronisations- und Schalteinheit
CN2920563Y (zh) * 2006-07-11 2007-07-11 王文江 轻型单钮四功能电锤
CN201095102Y (zh) * 2007-07-07 2008-08-06 王文江 一钮四功能轻型电锤
CN201224088Y (zh) * 2008-05-30 2009-04-22 胡伟胜 多功能电锤

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018021433A1 (ja) * 2016-07-29 2018-02-01 パナソニックＩｐマネジメント株式会社 電動工具

Also Published As

Publication number Publication date
CN101767327B (zh) 2011-05-25
EP2527097A4 (de) 2016-02-24
WO2011088632A1 (zh) 2011-07-28
CN101767327A (zh) 2010-07-07

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