WO2012035813A1 - Outil à main motorisé - Google Patents

Outil à main motorisé Download PDF

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Publication number
WO2012035813A1
WO2012035813A1 PCT/JP2011/059622 JP2011059622W WO2012035813A1 WO 2012035813 A1 WO2012035813 A1 WO 2012035813A1 JP 2011059622 W JP2011059622 W JP 2011059622W WO 2012035813 A1 WO2012035813 A1 WO 2012035813A1
Authority
WO
WIPO (PCT)
Prior art keywords
state
authentication
unit
hand tool
electric hand
Prior art date
Application number
PCT/JP2011/059622
Other languages
English (en)
Japanese (ja)
Inventor
真人 風間
秀二 中村
則和 増田
Original Assignee
株式会社アルファ
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 株式会社アルファ filed Critical 株式会社アルファ
Publication of WO2012035813A1 publication Critical patent/WO2012035813A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the present invention relates to an electric hand tool.
  • Patent Document 1 As an electric hand tool capable of preventing theft and the like by requesting a predetermined authentication operation in use, the one described in Patent Document 1 is known.
  • the electric hand tool is provided with a trigger serving as an operation start switch for a processing tip of a drill or the like, and an authentication circuit unit for authenticating an authentication device possessed by the tool user.
  • the tool can be actuated by a trigger on the condition that the authentication in the unit is established.
  • One or more embodiments of the present invention provide an electric hand tool capable of guaranteeing safe work and an operation control method thereof.
  • the electric hand tool includes a state variable portion 1 designated as a management target, which can be manually shifted between a use state and a non-use state, and a housing 2.
  • an operation control method for an electric hand tool including a state variable portion 1 that can be manually shifted between an in-use state and a non-use state.
  • FIG. 1 (a) is a side view of an electric hand tool of an exemplary embodiment.
  • FIG.1 (b) is principal part sectional drawing of Fig.1 (a).
  • FIG. 1C is a front view showing the auxiliary handle.
  • FIG. 2A to FIG. 2C are explanatory diagrams showing the operation of the drill bit detection unit.
  • FIG. 2A shows a state before the drill bit is mounted.
  • FIG. 2B shows a state where the slider is operated.
  • FIG. 2C shows a drill bit mounted state.
  • FIG. 3 is an explanatory view showing an auxiliary handle detection unit.
  • FIG. 4 is a functional block diagram of the electric hand tool.
  • FIG. 5 is a flowchart showing the operation of the electric hand tool.
  • FIG. 6 is a flowchart showing a modification of FIG.
  • the electric hand tool is a tool that can be handled by operating the processing tip 4 using an electric drive device 3 such as a motor accommodated in the housing 2.
  • the electric hand tools include a drill device, a hammer drill device, an electric multi-needle chisel device, a circular saw device, and the like.
  • the processing tip 4 includes, for example, a drill bit in a drill device, a drill bit in a hammer drill device, or a chisel. It does not matter whether the processing tip 4 is detachable from the housing 2 or not.
  • the electric hand tool has, for example, a part that is manually attached between a use state and a non-use state, such as a detachable or movable auxiliary handle 8 and a depth gauge 9 in a hammer drill device.
  • a part requiring state management can be selected as the state variable part 1 for safety reasons. That is, in the hammer drill device, the part that seems to cause a safety problem is selected as the state variable part 1 when the auxiliary handle 8 or the like is loosened or is not set in the proper position. Then, it is determined whether or not the variable portion detection unit 6 is in use.
  • the variable part detection unit 6 detects the in-use state corresponding to the achievement of the fixed state necessary for safe driving. For this reason, by making the operation of the authentication unit 7 conditional on detection of the in-use state in the variable unit detection unit 6, when the state variable portion 1 is incomplete, the authentication operation by the authentication unit 7, that is, the operation of the tool Can't start. As a result, operation in an incomplete setup state can be reliably prevented, and the safety of the tool is improved.
  • the detection of the in-use state in the variable unit detection unit 6 is a start condition for the authentication operation in the authentication unit 7 and is not set as a condition for setting the operation enable / disable setting unit 5 to the operable state. For this reason, for example, by setting the state variable portion 1 after the authentication is established, the operation availability setting unit 5 cannot be set to the operable state. As a result, if the setting of the state variable portion 1 is completed after the authentication is established and the trigger lever 10 or the like is inadvertently operated, the machining tip 4 may operate simultaneously with the setting of the state variable portion 1. It is completely prevented and safety is improved.
  • the detection of the in-use state in the variable part detection unit 6 can be used as a monitoring means for the state variable part 1 during operation in addition to the function as the operating condition of the authentication part 7.
  • the operation enable / disable setting unit 5 is configured to cancel the operable state when the in-use state in the variable unit detection unit 6 of the state variable part 1 designated in advance is canceled. It becomes possible to detect a decrease in safety at an early stage due to looseness of the fixed state of the state variable portion 1 on the way.
  • the operation enable / disable setting unit 5 is configured to return to the operable state along with the return of the variable unit detection unit 6 to the in-use state, so that the re-authentication operation is not required, so that the operability is good.
  • the operator since the operator is aware that the current operation is adjustment of the state variable portion 1, there is little possibility that the processing tip portion 4 is operated by inadvertently operating a trigger or the like. Therefore, the safety is not lowered.
  • the authentication unit 7 various devices such as a password verification device and a biometric authentication device such as fingerprint authentication can be used.
  • a password verification device As the authentication unit 7, various devices such as a password verification device and a biometric authentication device such as fingerprint authentication can be used.
  • a biometric authentication device such as fingerprint authentication
  • FIG. 1 (a) to FIG. 1 (c) show a hammer drill as an exemplary embodiment.
  • the hammer drill is formed so that it can be handled by housing a motor (electrical drive 3) in the housing 2.
  • a chuck portion 11 is disposed at the front end portion of the housing 2, and the power of the motor 3 is transmitted via an appropriate gear train 12.
  • the housing 2 is provided with a handle portion 13 and an auxiliary handle 8, and a trigger lever 10 is mounted on the inner wall surface of the handle portion 13 so as to be rotatable around the pivot axis 10 a.
  • a depth gauge for mounting the drill bit (processing tip 4) to the chuck portion 11, fixing the auxiliary handle 8 to the use position, and measuring the processing depth as required. 9 is mounted.
  • the state variable part 1 Of these movable parts or mounting parts that are operated during the setup work when using these electric hand tools, those that require state monitoring for the purpose of ensuring safety are selected as the state variable part 1, and the variable part detection unit 6. Status monitoring is performed.
  • the drill bit 4 and the auxiliary handle 8 are used as the state variable portion 1, and the variable portion detection unit 6 is provided for each.
  • the chuck portion 11 includes a rotary shaft 14 provided with a locking claw 14a that can be locked to a stopper recess 4a formed at the rear end portion of the drill bit 4, and an outer cylinder 15 that is externally fitted to the rotary shaft 14.
  • the slider 16 is externally fitted to the rotary shaft 14 and is slidable with respect to the rotary shaft 14 and the outer cylinder 15.
  • the slider 16 is provided with a spring receiving recess 16a that is open toward the rear end, and the rotary shaft 14 is provided with a flange 14b.
  • the slider 16 has one end at the flange 14b and the other end at the spring receiving recess 16a.
  • the micro-switch 18 is disposed at the end of the rear stroke of the slider 16.
  • the mounting of the drill bit 4 to the chuck portion 11 is started by sliding the slider 16 backward from the state of FIG. As shown in FIG. 2B, when the slider 16 is slid rearward, an outwardly expanding space is provided to the locking claw 14a whose outward expansion is restricted by the slider.
  • the locking claw 14a is pushed by the drill bit 4 to be elastically deformed outward once to allow passage of the drill bit 4, and is elastic again at a position facing the stopper recess 4a. Thus, it returns to its original position and engages with the stopper recess 4a.
  • the drill bit 4 is connected to the chuck portion 11 so as not to idle and cannot be removed, and then when the operating force to the slider 16 is released, the slider 16 is compressed spring as shown in FIG. The restoring force of 17 returns to the original position, and the installation work of the drill bit 4 is completed.
  • variable portion detection unit 6 for detecting the attachment of the drill bit 4 is incorporated in the control unit 19 and counts the output of the micro switch 18, and is always in the OFF state.
  • a setup completion signal indicating completion of mounting of the drill bit 4 is output, and a reset signal for the setup completion signal is output for the second transition to the ON state.
  • Fig. 3 shows details of the auxiliary handle 8.
  • the auxiliary handle 8 is provided in order to provide a handling means to the worker in cooperation with the handle portion 13, and the position is changed between the solid line position and the chain line position in FIG. Can do. Inadvertent movement of the auxiliary handle 8 during work significantly reduces the safety of the work, so that the fixing device 20 is attached.
  • the fixing device 20 includes a screw band 20 a formed at the free end of the auxiliary handle 8 and a fastening band 20 c that is wound around the outer periphery of the housing 2 with one end connected to a nut member 20 b that is screwed into the screw bar 20 a. And have.
  • the rotation of the nut member 20b is restricted by a stopper 21a provided on the cover 21, and a support plate 22 is connected to the tip of the screw rod 20a.
  • the fixing operation of the auxiliary handle 8 is performed by setting the auxiliary handle 8 at a predetermined position and then rotating the auxiliary handle 8 around the axial length. As the auxiliary handle 8 rotates, the nut member 20b moves upward to increase the fastening force of the fastening band 20c to the housing 2, and the idle operation of the auxiliary handle 8 relative to the housing 2 is restricted.
  • the fastening force by the fastening band 20c is detected by a pressure sensor 23 incorporated in the housing 2, and the auxiliary handle detection unit 6b is a setup that indicates completion of fastening when the detection force from the pressure sensor 23 exceeds a predetermined threshold. Outputs a completion signal.
  • the housing 2 stores the authentication unit 7, the trigger detection switch 24, the control device 25, and the LED 26.
  • an RFID authentication device is used for the authentication unit 7.
  • the RFID authentication apparatus includes an ID storage unit 7a that stores an authenticable ID, and an RFID reader / writer 7b that obtains an ID unique to the RFID tag 27 by communicating with the RFID tag 27 possessed by the user at a short distance.
  • an authentication establishment signal is output to the control unit 19 described later.
  • the RFID tag 27 is a seal tag that can be attached to a user's favorite object and held. As shown in FIG. 1B, the RFID tag 27 can be attached to a mobile phone 29 or the like that is always worn by an operator. As a result, loss of the RFID tag 27 can be prevented.
  • the control device 25 includes a power supply adjustment unit 25a, a motor drive circuit 25b, and a control unit 19, and the power supplied from the commercial power supply 30 or the battery is stepped down by the power supply adjustment unit 25a or AC-DC when necessary.
  • the converted signal is supplied to the control unit 19 and further supplied to the motor drive circuit 25b.
  • the control unit 19 includes a variable unit detection unit 6 controlled by the control unit 19a, a motor control unit 19b, a trigger detection unit 19c, a display control unit 19d, an authentication confirmation unit 19e, and an operation availability setting unit 5.
  • 19a outputs an authentication enable signal to the authentication unit 7 when both the drill bit detection unit 6a and the auxiliary handle detection unit 6b output a setup completion signal.
  • the authentication unit 7 receives the notification of the authenticable signal from the control unit 19 and transitions to the authentication operation mode.
  • the authentication unit 7 performs the collation operation on the RFID tag 27 only under the authentication operation mode.
  • the control unit 19a that outputs the authentication establishment signal to the control unit 19 sets the authenticated flag in the authentication confirmation unit 19e, sets the operation permission flag in the operation enable / disable setting unit 5, and further displays the authentication control unit 19e.
  • the drive current of the LED 26 is supplied to 19d to turn on the LED 26 to inform the user that it is in an available state.
  • the trigger detection unit 19c monitors the output of the trigger detection switch 24 that is actuated by an operation on the trigger lever 10, and when the control unit 19a detects an operation on the trigger lever 10 through the trigger detection unit 19c, an operation enable / disable setting is made.
  • the unit 5 is inquired whether the operation permission flag is set. When the operation permission flag is set in the operation enable / disable setting unit 5, the motor 3 is rotated by supplying power to the motor drive circuit 25b via the motor control unit 19b, and the drill bit 4 is operated.
  • the output from the trigger detection switch 24 to the trigger detection unit 19c includes information about the pull-in depth of the trigger lever 10 in addition to the ON / OFF information of the trigger lever 10, and the motor control unit 19b is a motor drive circuit.
  • the current value supplied to 25b is adjusted according to the pull-in depth, and the rotation speed of the motor 3 is controlled.
  • FIG. 5 shows an operation flow of the control unit 19.
  • step 100 when power is turned on (step 100), control is started (step 101), and resetting and initialization of flags, variables, etc. are executed (step 102).
  • step 101 control is started (step 101), and resetting and initialization of flags, variables, etc. are executed (step 102).
  • step 103 the display control unit 19d turns off the LED 26 to initialize the display state (step 103), and the auxiliary handle 8 is detected from the state of the auxiliary handle detection unit 6b and the drill bit detection unit 6a (step 104).
  • step 104 the process waits for the transition to the state where the drill bit 4 is completely attached (steps 105 and 105-1).
  • the setup completion signal is set in the variable part detection unit 6, it is determined whether or not it has been authenticated by the authentication flag of the authentication confirmation part 19e (step 106).
  • step 106 If the authentication is not established in step 106, the LED 26 is blinked to prompt the operator to perform an authentication operation (step 107).
  • step 108 the LED 26 is turned on to inform the operator that the device is ready for use. It is lit (step 109), and an operation permission flag is set in the operation availability setting unit 5 (step 110).
  • step 111 when the operation to the trigger lever 10 is detected by the trigger detection unit 19c (step 111) and the operation type is the ON operation, that is, when the trigger lever 10 is pulled (step 112), the operation enable / disable setting is made. It is determined whether the operation permission flag is set in the unit 5 (step 113). When the operation permission flag is confirmed in step 113, the motor control unit 19b operates the motor drive circuit 25b to rotate the motor 3 (step 114), and waits for the operation to the trigger lever 10 to end. Further, when the operation to the trigger lever 10 is an OFF operation in step 112, that is, when the trigger lever 10 transits from the ON state to the OFF state, the motor 3 is stopped and the ON operation is again waited (step) 112-1).
  • the authenticated flag in the authentication confirmation unit 19e is confirmed (step 105-1), In this case, the LED 26 is turned off to inform the operator of the release of the available state (step 105-2), the operation permission flag is reset (step 105-3), and then the motor 3 is given an opportunity to stop and is fixed. Encourage retightening.
  • the authenticated flag is confirmed (step 106), and if authenticated, the operation is performed without requiring re-authentication.
  • a permission flag is set (step 110), and the operation of the trigger lever 10 is awaited.
  • FIG. 6 shows a modification in which the detection of the mounting state of the drill bit 4 is executed only at the start of operation.
  • the drill bit 4 detection step at step 104 is executed only immediately before the start of control, and at the time of operation. Only the auxiliary handle 8 fixed detection in step 105 is executed.

Abstract

L'outil à main motorisé est pourvu d'une pièce à état modifiable (1) pouvant effectuer une opération manuelle destinée à alterner entre un état d'utilisation et un état inactif. L'action de l'outil à main motorisé est commandée par la détection de l'état de la pièce à état modifiable (1), par l'authentification d'un ID d'authentification lorsque l'on détecte que la pièce à état modifiable (1) se trouve dans l'état d'utilisation, et par l'autorisation d'effectuer des opérations à l'aide d'une pointe de traitement (4) à condition que l'authentification de l'ID d'authentification ait été réussie.
PCT/JP2011/059622 2010-09-15 2011-04-19 Outil à main motorisé WO2012035813A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010206619A JP2012061541A (ja) 2010-09-15 2010-09-15 電動手工具
JP2010-206619 2010-09-15

Publications (1)

Publication Number Publication Date
WO2012035813A1 true WO2012035813A1 (fr) 2012-03-22

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WO (1) WO2012035813A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107079034A (zh) * 2016-11-15 2017-08-18 深圳达闼科技控股有限公司 一种身份认证的方法、终端设备、认证服务器及电子设备

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017164858A (ja) * 2016-03-17 2017-09-21 株式会社マキタ 電動工具
JP5899471B2 (ja) * 2012-05-10 2016-04-06 パナソニックＩｐマネジメント株式会社 電動工具
JP5914809B2 (ja) * 2012-05-10 2016-05-11 パナソニックＩｐマネジメント株式会社 電動工具
JP7130759B2 (ja) * 2018-09-14 2022-09-05 株式会社マキタ 工具
KR200490741Y1 (ko) * 2018-12-28 2019-12-26 (주) 삼진일렉스 보조 핸들부에 스위치를 구비한 전동 드릴
JP2020192655A (ja) * 2019-05-29 2020-12-03 株式会社マキタ 電動工具
WO2021199899A1 (fr) * 2020-03-30 2021-10-07 株式会社マキタ Outil électrique et poignée auxiliaire
JP7385007B2 (ja) * 2020-04-10 2023-11-21 株式会社マキタ 工具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02303776A (ja) * 1989-05-17 1990-12-17 Makita Corp 携帯用電動工具
JPH10510210A (ja) * 1994-12-16 1998-10-06 ニューマティック・システムズ・インターナショナル・プロプライアタリ・リミテッド 相互に接続される複目的空気工具
JP2001054881A (ja) * 1999-08-18 2001-02-27 Makita Corp 照明装置付き電動工具
JP2006218575A (ja) * 2005-02-10 2006-08-24 Matsushita Electric Works Ltd 電動工具
JP2006224208A (ja) * 2005-02-15 2006-08-31 Max Co Ltd 工具及び工程管理データ収集システム
JP2008119755A (ja) * 2006-11-08 2008-05-29 Makita Corp 打撃工具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02303776A (ja) * 1989-05-17 1990-12-17 Makita Corp 携帯用電動工具
JPH10510210A (ja) * 1994-12-16 1998-10-06 ニューマティック・システムズ・インターナショナル・プロプライアタリ・リミテッド 相互に接続される複目的空気工具
JP2001054881A (ja) * 1999-08-18 2001-02-27 Makita Corp 照明装置付き電動工具
JP2006218575A (ja) * 2005-02-10 2006-08-24 Matsushita Electric Works Ltd 電動工具
JP2006224208A (ja) * 2005-02-15 2006-08-31 Max Co Ltd 工具及び工程管理データ収集システム
JP2008119755A (ja) * 2006-11-08 2008-05-29 Makita Corp 打撃工具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107079034A (zh) * 2016-11-15 2017-08-18 深圳达闼科技控股有限公司 一种身份认证的方法、终端设备、认证服务器及电子设备

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