WO2009084589A1 - 電動工具 - Google Patents
電動工具 Download PDFInfo
- Publication number
- WO2009084589A1 WO2009084589A1 PCT/JP2008/073609 JP2008073609W WO2009084589A1 WO 2009084589 A1 WO2009084589 A1 WO 2009084589A1 JP 2008073609 W JP2008073609 W JP 2008073609W WO 2009084589 A1 WO2009084589 A1 WO 2009084589A1
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- WIPO (PCT)
- Prior art keywords
- motor
- housing
- stator
- switch block
- side terminal
- Prior art date
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Classifications
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/28—Manual switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
Definitions
- the present invention relates to an electric tool provided with a motor for driving a tip tool, and more particularly to a dustproof technique for a terminal connection portion of the motor.
- Patent Document 1 discloses a configuration in which a motor-side terminal and a power-side terminal are connected by a plug-and-socket-type connecting means. Has been.
- the electric power tool described in the publication has a configuration in which a plug-type terminal on the power supply wiring assembly side connected to the power switch is inserted into and connected to a socket-type terminal on the motor side connected to the coil terminal of the stator.
- This invention aims at providing the technique which contributes to the improvement of the dust resistance of a terminal connection part in the electric tool which drives a tip tool with a motor.
- preferred embodiments of the electric tool according to the present invention include a motor housing, a motor housed in the motor housing, a motor-side terminal provided in the motor, and one end side in the longitudinal direction of the motor housing. And a switch block having an operation unit operable to drive or stop the motor, and a switch side terminal provided on the switch block and connected to the motor side terminal. Then, the tip tool is driven by a motor via a power transmission mechanism, thereby causing the tip tool to perform a predetermined machining operation.
- the “electric tool” in the present invention typically corresponds to an electric tool that uses a motor as a drive source such as a disk grinder used for grinding work or polishing work.
- the “motor” in the present invention corresponds to the stator among the motor constituent members. Therefore, the “motor side terminal” in the present invention refers to the coil terminal of the stator winding attached to the stator. Corresponds to this.
- the “switch side terminal” in the present invention typically corresponds to a power supply terminal connected to a coil terminal of a stator winding.
- one of the motor housing and the switch block is provided with a hollow cylindrical member extending in the longitudinal direction of the motor housing, and the other is fitted with the cylindrical member.
- a mating member is provided.
- the cylindrical member and the fitting member are connected to each other while the motor side terminal and the switch side terminal are connected at least.
- the fitting state is maintained so as to be blocked from the outside of the cylindrical member.
- “blocking” means that the connecting portion between the motor side terminal and the switch side terminal is accommodated in the space of the cylindrical member and is isolated from the outside of the cylindrical member.
- “maintain” means that the motor housing and the switch block move relative to each other in a direction away from each other due to vibrations, for example, until the connection between the motor side terminal and the switch side terminal is released.
- the mode in which the fitted state is continued corresponds to this.
- the connecting portion between the motor-side terminal and the switch-side terminal maintains the fitting state between the tubular member and the fitting member while at least the motor-side terminal and the switch-side terminal are connected.
- one of a motor side terminal and a switch side terminal is formed with a socket, and the other is formed with the plug inserted along the major axis direction of a motor housing with respect to a socket.
- the connection by inserting the socket and the plug is performed in the hollow portion of the cylindrical member.
- the motor-side terminal and the switch-side terminal are connected by a plug and a socket, and the plug is mounted by using the fitting operation of the tubular member and the fitting member when the switch block is assembled to the motor housing. Since it is configured to be inserted into the socket, it is possible to connect the motor side terminal and the switch side terminal at the same time by performing the assembly work of the switch block to the motor housing, and the assembly workability is improved.
- the stator and switch block of a motor are set as the structure assembled
- a cylindrical member is formed in the motor housing, and a fitting member is formed in the front of each assembly direction in the stator and the switch block of the motor.
- a technique that contributes to improving the dust resistance of the terminal connection portion is provided.
- FIG. 1 is a side view showing the overall configuration of the electric disc grinder 101.
- FIG. 2 is a perspective view in which the switch block 153 is assembled to the motor housing 105, and the rear cover 109 is removed.
- FIG. 3 is an exploded perspective view of the motor housing 105 and the switch block 153, in which the rear cover 109 is removed. 4 is a cross-sectional view of FIG.
- FIG. 5 is a perspective view in which the stator 127 of the drive motor 121 and the switch block 153 are assembled to the rear housing 105B of the motor housing 105
- FIG. 6 is an exploded perspective view thereof
- FIG. 7 is a perspective view of FIG. It is sectional drawing.
- FIG. 8 is an enlarged view of a portion A in FIG. 5 to 7, the front housing 105A of the motor housing 105 is omitted.
- the electric disc grinder 101 generally includes a main body portion 103 that forms an outline of the electric disc grinder 101, and a disc-shaped grindstone 119 that is disposed in a tip region of the main body portion 103. Configured as the subject.
- the main body 103 includes a motor housing 105, a gear housing 107 connected to one end of the motor housing 105, and a rear cover 109 that is detachably attached to the other end of the motor housing 105.
- the grindstone 119 corresponds to the “tip tool” in the present invention.
- the grindstone 119 side (right side in the figure) in the major axis direction of the main body 103 is referred to as the front, and the opposite side is referred to as the rear.
- the motor housing 105 is formed in a substantially cylindrical shape, and a drive motor 121 (see FIG. 4) is accommodated in the internal space of the motor housing 105.
- the motor housing 105 constitutes a grip portion that is held by an operator when the electric disc grinder 101 is operated to perform a machining operation.
- the drive motor 121 is arranged so that the rotational axis direction thereof is the long axis direction of the electric disc grinder 101, that is, the long axis direction of the main body 103.
- the drive motor 121 includes a hollow stator 127 that is fixed to the motor housing 105, an armature that is rotatably arranged inside the stator 127, an output shaft and a commutator that rotate together with the armature,
- the stator 127 is shown in FIG. 4 to FIG. 7 and the main components other than the stator 127 are mainly composed of a brush or the like for supplying a source flow to the commutator.
- the illustration of the motor components is omitted for convenience.
- the drive motor 121 corresponds to the “motor” in the present invention.
- a gear housing 107 is connected to the front end side (right side in the drawing) of the motor housing 105, and the rotation output of the drive motor 121 is transmitted to the grindstone 119 in the gear housing 107.
- a power transmission mechanism (not shown for convenience) is accommodated.
- the grindstone 119 is covered by the grindstone cover 108 for approximately a half circumference on the rear side.
- the rotational output of the drive motor 121 is transmitted as a rotational motion in the circumferential direction to the grindstone 119 via a power transmission mechanism.
- the grindstone 119 is arranged on one end side (front side) of the motor housing 105 in the major axis direction (major axis direction of the main body 103) so that the rotation axis thereof is orthogonal to the rotation axis of the drive motor 121.
- the drive motor 121 is driven by electric power supplied from a power source (outlet) using a power cord 171 (see FIG. 1).
- a switch block 153 On the rear end side of the motor housing 105, a switch block 153 (see FIGS. 2 to 4) is attached in an opposing manner.
- the switch block 153 includes a power switch 157 for driving the motor (see FIG. 4), an operation lever 155 for turning the power switch 157 on and off, and a terminal connected to the power cord 171. It is a structural body and is housed in a rear cover 109 that is always mounted so as to cover the rear end portion of the motor housing 105.
- the operation lever 155 corresponds to the “operation unit” in the present invention. As shown in FIG.
- the operation lever 155 protrudes to the outside from the rear end opening of the rear cover 109 in a state where the rear cover 109 is attached to the motor housing 105 and can be operated by the operator.
- the drive motor 121 is energized, and when the operation lever 155 is operated to the off position, the drive motor 121 is stopped. Accordingly, the operator grips the motor housing 105 and energizes the drive motor 121 through the operation of the operation lever 155 to drive the grindstone 119 to rotate, thereby appropriately performing grinding, polishing work or cutting work on the workpiece. Can be done.
- the motor housing 105 is divided into two parts, a front housing 105A and a rear housing 105B, in the longitudinal direction, that is, the longitudinal direction of the main body 103.
- the front housing 105A has a hollow internal space opened at both front and rear ends in the major axis direction, and has a stepped fitting portion 105b at the rear end.
- the rear housing 105B has a hollow internal space that is open only on the front end side in the long axis direction, and has a stepped fitting portion 105c at the front end. As shown in FIG.
- the front housing 105A and the rear housing 105B have the stepped fitting portions 105b, 105b, with the stator 127 of the drive motor 121 inserted into the inner space of the front housing 105A from the rear opening.
- 105c are fitted together and assembled by being secured by fastening means such as screws (not shown for convenience).
- the stator 127 inserted into the inner space of the front housing 105A has an inner wall as a receiving portion whose front end surface in the insertion direction intersects the long axis direction of the front housing 105A as shown in FIG. Abutting on the step surface 105d, the rear end surface in the insertion direction abuts on an inner wall step surface 105e as a receiving portion intersecting the major axis direction of the rear housing 105B. That is, the stator 127 extends through the stator 127 in the major axis direction while being sandwiched between the inner wall step surface 105d of the front housing 105A and the inner wall step surface 105e of the rear housing 105B from both sides in the major axis direction. It is fixed together with the front housing 105A and the rear housing 105B by fastening means such as existing screws.
- a plurality of (four) sleeves 165 are set at predetermined intervals in the circumferential direction in the outer region behind the stepped fitting portion 105c (see particularly FIG. 6).
- the sleeve 165 corresponds to a “tubular member” in the present invention.
- Each sleeve 165 has a hollow portion having a substantially rectangular cross section that is extended by a predetermined length in the major axis direction of the rear housing 105B and that is open at both ends in the extending direction.
- a through hole 105f that connects the inner space of the rear housing 105B to the outside is formed in a region facing the front opening of the sleeve 165.
- Each columnar protrusion 167 for assembly is integrally formed on the rear end side of the stator 127 corresponding to the sleeve 165 in the circumferential direction (see particularly FIG. 6).
- the columnar protrusion 167 corresponds to the “fitting member” in the present invention.
- Each columnar protrusion 167 is formed in a substantially rectangular shape whose outer shape corresponds to the hollow portion of the sleeve 165, and protrudes rearward in the long axis direction from the rear end portion of the stator 127.
- Each columnar protrusion 167 is fitted into the hollow portion of the sleeve 165 from the front through the through hole 105f of the rear housing 105B when the front housing 105A and the rear housing 105B are assembled.
- the columnar protrusions 167 of the sleeve 165 and the stator 127 also function as guides when the stator 127 is assembled to the rear housing 105B.
- the work of inserting the columnar protrusions 167 of the stator 127 into the sleeve 165 of the rear housing 105B may be performed prior to the work of assembling the front housing 105A and the rear housing 105B.
- the columnar protrusion 169 are integrally formed on the front end side of the switch block 153 in the circumferential direction corresponding to the sleeve 165 of the rear housing 105B (see FIGS. 3 and 6).
- the columnar protrusion 169 corresponds to the “fitting member” in the present invention.
- the columnar protrusion 169 has an outer shape formed in a substantially rectangular shape corresponding to the hollow portion of the sleeve 165, and protrudes forward from the front end portion of the switch block 153 in the long axis direction, so that the sleeve 165 of the rear housing 105 ⁇ / b> B is hollow. It is inserted into the part from the rear.
- the switch block 153 is assembled to the rear housing 105B (see FIGS. 2, 4, 5, and 7).
- the fitting of the columnar protrusions 167 and 169 to the sleeve 165 is preferably set so as to fit snugly without a gap.
- a rear cover 109 (see FIG. 1) having a hollow internal space opened at the front is attached to the rear housing 105B so as to cover from the rear of the rear housing 105B.
- the rear cover 109 is provided with a ventilation window 109b for taking in outside air for cooling the motor.
- a coil terminal 163 of the stator winding 161 of the drive motor 121 is embedded in each columnar protrusion 167 of the stator 127.
- the coil terminal 163 corresponds to the “motor side terminal” in the present invention.
- the coil terminal 163 is set as a socket that opens as a plug insertion port at the rear end of the columnar protrusion 167.
- each columnar protrusion 169 of the switch block 153 is provided with a power supply terminal 159 connected to the coil terminal 163.
- the power supply terminal 159 corresponds to the “switch side terminal” in the present invention.
- the power terminal 159 is set as a plug whose front end protrudes from the front end of the columnar protrusion 169 to the front in the long axis direction by a predetermined length, and is connected to the socket that forms the coil terminal 163 of the stator winding 161. Plugged in and electrically connected.
- the coil terminal 163 of the stator winding 161 and the power supply terminal 159 of the switch block 153 have a columnar protrusion 167 of the stator 121 and a columnar shape of the switch block 153 so that the stator 121 and the switch block 153 are assembled to the rear housing 105B.
- the protrusion 169 is fitted into the hollow portion of the sleeve 165 of the rear housing 105B so as to face each other, based on the fitting operation, a plug as the power supply terminal 159 and a socket as the coil terminal 163 are simultaneously inserted, As a result, the terminals are connected to each other.
- connection portion of the coil terminal 163 and the power supply terminal 159 connected in the hollow portion of the sleeve 165 is formed from the outside of the sleeve 165, that is, from the inner space of the rear cover 109 by the columnar protrusions 167 and 169 fitted to the sleeve 165. Blocked (isolated).
- the internal space of the rear cover 109 corresponds to “external” in the present invention.
- the fitting length L1 of the columnar protrusion 167 of the stator 121 and the fitting length L2 of the columnar protrusion 169 of the switch block 153 with respect to the sleeve 165 are the coil terminal 163 and the power supply terminal 159, respectively. Is set to be longer than the contact length (insertion length between the plug and the socket) L. For this reason, the switch block 153 moves away from the rear housing 105B (rearward) due to, for example, vibration generated when the electric disk grinder 101 is driven, and accordingly, the power supply terminal 159 moves away from the coil terminal 163.
- the columnar protrusions 167 of the stator 127 and the hollow portion of the sleeve 165 provided on the rear housing 105B are simultaneously connected by a plug and socket type connection means. For this reason, it is not necessary to separately connect the coil terminal 163 and the power supply terminal 159, and the assembling property can be improved.
- the coil terminal 163 of the stator winding 161 and the power supply terminal 159 of the switch block 153 are connected in the hollow portion of the sleeve 165 and placed in a state of being cut off from the outside of the sleeve 165.
- the blocking state continues even if the switch block 153 moves away from the rear housing 105B (rearward) due to vibration or the like during driving of the grindstone. For this reason, it is possible to prevent the metal powder or the like that has entered from the ventilation window 109b of the rear cover 109 from adhering to the terminal connection portion during grinding or polishing of the workpiece, thereby preventing leakage or short circuit.
- the motor housing 105 is formed by a front housing 105A and a rear housing 105B that are divided into two in the major axis direction, and the stator 127 of the drive motor 121 is arranged from both sides in the major axis direction. Since the configuration is such that the stator 127 is sandwiched between the rear housing 105B and fixed with screws or the like, the stator 127 can be securely fixed to the motor housing 105.
- the electric disc grinder 101 is described as an example of the electric tool.
- a power switch for driving or stopping the drive motor 121 and a power switch for operating the power switch are operated at the rear end portion of the motor housing 105. Any power tool can be applied as long as the switch block 153 having an operation knob or the like is attached.
- the motor housing 105 has been described as having a two-part structure in which the motor housing 105 is divided into a front housing 105A and a rear housing 105B.
- the assembly structure using the protrusions 167 and 169 and the connection structure between the coil terminal 163 and the power supply terminal 159 can be similarly configured.
- the hollow portion of the sleeve 165 is sealed by interposing a rubber ring or the like between the inner peripheral surface of the sleeve 165 and the outer peripheral surface of the columnar protrusions 167 and 169. It is good also as a structure.
- the sleeve 165 is set on the motor housing 105, and the columnar protrusions 167 and 169 are set on the stator 127 and the switch block 153.
- a lieutenant general protrusion is set on the motor housing, and the stator 127 and A sleeve may be set on the switch block 153.
- the hollow portion of the tubular member has a sealed structure, and the effect of preventing intrusion of metal powder or the like can be further improved.
- the motor housing accommodates the stator of the motor in the major axis direction, and has a front housing having a receiving surface capable of coming into contact with one end in the major axis direction of the stator, and the switch block is attached.
- the stator is divided into a rear housing having a receiving surface capable of coming into contact with the other longitudinal end of the stator,
- stator of the motor since the stator of the motor is sandwiched and fixed from both sides by the front housing and the rear housing, the stator can be securely fixed to the motor housing.
- FIG. 6 is a perspective view in which a switch block is attached to a motor housing, and a rear cover is removed. It is a disassembled perspective view of a motor housing and a switch block, and the rear cover is removed.
- 4 is a cross-sectional view of FIG.
- FIG. 4 is a perspective view in which a stator and a switch block are assembled to a rear housing of a motor housing. It is a disassembled perspective view of a rear housing, a stator, and a switch block. It is sectional drawing of FIG. It is an enlarged view of the A section of FIG.
Abstract
Description
本発明によれば、モータ側端子とスイッチ側端子を、プラグとソケットによる接続方式とし、そしてモータハウジングにスイッチブロックを組み付ける際の筒状部材と嵌合部材の嵌め合い動作を利用してプラグがソケットに差し込まれる構成としたので、モータハウジングに対するスイッチブロックの組付け作業を行うことで、同時にモータ側端子とスイッチ側端子を接続することができ、組付け作業性が向上する。
また、本実施の形態では、モータハウジング105がフロントハウジング105Aとリアハウジング105Bに分割された2分割構造の場合で説明したが、モータハウジング105が一体構造の場合であっても、スリーブ165と柱状突起167,169とを用いた組付け構造及びコイル端子163と電源端子159との接続構造については、同様に構成することが可能である。
また、スリーブ165と柱状突起167,169との嵌め合い構造に関し、スリーブ165の内周面と柱状突起167,169の外周面との間にゴムリング等を介在してスリーブ165の中空部を密閉構造としてもよい。
また、本実施の形態では、スリーブ165をモータハウジング105に設定し、柱状突起167,169を固定子127とスイッチブロック153に設定したが、モータハウジングに中将突起を設定し、固定子127とスイッチブロック153にスリーブを設定しても構わない。
(態様1)
「請求項1~3のいずれか1つに記載の電動工具であって、
前記筒状部材と前記嵌合部材との間にゴムリングが介在されていることを特徴とする電動工具。」
「請求項3に記載された電動工具であって、
前記モータハウジングは、その長軸方向において、前記モータの固定子を収容するとともに、当該固定子の長軸方向一端と当接可能な受け面を有するフロントハウジングと、前記スイッチブロックが取り付けられるとともに、前記固定子の長軸方向他端と当接可能な受け面を有するリアハウジングとに分割されており、
前記フロントハウジングと前記リアハウジングは、前記フロントハウジングの受け面と前記リアハウジングの受け面とにより前記固定子を両側から挟んだ状態で互いに接合される構成としたことを特徴とする電動工具。」
103 本体部
105 モータハウジング
105A フロントハウジング
105B リアハウジング
105b 段付嵌合部
105c 段付嵌合部
105d 内壁段差面
105e 内壁段差面
105f 貫通孔
107 ギアハウジング
108 砥石カバー
109 リアカバー
109b 通風窓
119 砥石(先端工具)
121 駆動モータ(モータ)
127 固定子
153 スイッチブロック
155 操作レバー
157 電源スイッチ
159 電源端子(スイッチ側端子)
161 固定子巻線
163 コイル端子
165 スリーブ
167 柱状突起(嵌合部材)
169 柱状突起(嵌合部材)
171 電源コード
Claims (5)
- モータハウジングと、
前記モータハウジングに収容されたモータと、
前記モータの動力を伝達して先端工具を駆動し、これにより当該先端工具に所定の加工作業を遂行させる動力伝達機構と、
前記モータに設けられたモータ側端子と、
前記モータハウジングの長軸方向の一端側に対向状に組み付けられ、前記モータを駆動または停止するべく操作可能な操作部を有するスイッチブロックと、
前記スイッチブロックに設けられ、前記モータ側端子に接続されるスイッチ側端子と、
前記モータハウジングと前記スイッチブロックの一方に設けられ、前記モータハウジングの長軸方向に延在する中空状の筒状部材と、
前記モータハウジングと前記スイッチブロックの他方に設けられて、前記筒状部材と嵌合する嵌合部材とを有し、
前記筒状部材の中空部内で前記モータ側端子と前記スイッチ側端子が接続されるとともに、前記筒状部材と前記嵌合部材は、少なくとも前記モータ側端子と前記スイッチ側端子が接続されている間、当該端子相互の接続部を前記筒状部材の外部から遮断するように嵌合状態を維持する構成とされていることを特徴とする電動工具。 - 請求項1に記載の電動工具であって、
前記モータ側端子と前記スイッチ側端子の一方がソケットによって形成され、他方が前記ソケットに対し前記モータハウジングの長軸方向に沿って差し込まれるプラグによって形成されるとともに、前記ソケットと前記プラグの差し込みによる接続が前記筒状部材の中空部内で行われる構成とされており、
前記モータハウジングの一端側に当該モータハウジングの長軸方向に沿って前記スイッチブロックが組み付けられる際、前記筒状部材と前記嵌合部材が前記モータハウジングの長軸方向に沿って嵌め合わされるとともに、当該嵌め合い動作に基づき前記プラグが前記ソケットに差し込まれる構成としたことを特徴とする電動工具。 - 請求項1または2に記載の電動工具であって、
前記モータの固定子と前記スイッチブロックは、前記モータハウジングに対し当該モータハウジングの長軸方向に沿って互いに反対方向から組み付けられる構成とされ、
前記モータハウジングには前記筒状部材が形成され、前記モータの固定子及び前記スイッチブロックには、それぞれの組付け方向の前方に前記嵌合部材が形成されており、
前記モータハウジングに前記モータの固定子及び前記スイッチブロックが組み付けられる際、前記モータ側の嵌合部材及び前記スイッチブロック側の嵌合部材が、前記筒状部材に嵌め合わされ、当該嵌め合いにより前記モータハウジングに対する前記モータの固定子及び前記スイッチブロックの前記組み付けが案内される構成としたことを特徴とする電動工具。 - 請求項1~3のいずれか1つに記載の電動工具であって、
前記筒状部材と前記嵌合部材との間にゴムリングが介在されていることを特徴とする電動工具。 - 請求項3に記載された電動工具であって、
前記モータハウジングは、その長軸方向において、前記モータの固定子を収容するとともに、当該固定子の長軸方向一端と当接可能な受け面を有するフロントハウジングと、前記スイッチブロックが取り付けられるとともに、前記固定子の長軸方向他端と当接可能な受け面を有するリアハウジングとに分割されており、
前記フロントハウジングと前記リアハウジングは、前記フロントハウジングの受け面と前記リアハウジングの受け面とにより前記固定子を両側から挟んだ状態で互いに接合される構成としたことを特徴とする電動工具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US12/735,225 US8368267B2 (en) | 2007-12-27 | 2008-12-25 | Power tool |
CN200880122798XA CN101909824B (zh) | 2007-12-27 | 2008-12-25 | 电动工具 |
BRPI0821923A BRPI0821923B1 (pt) | 2007-12-27 | 2008-12-25 | ferramenta mecânica |
RU2010131163/02A RU2481188C2 (ru) | 2007-12-27 | 2008-12-25 | Электроинструмент |
EP08866315.8A EP2228179B1 (en) | 2007-12-27 | 2008-12-25 | Electric tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007337008A JP5001824B2 (ja) | 2007-12-27 | 2007-12-27 | 電動工具 |
JP2007-337008 | 2007-12-27 |
Publications (1)
Publication Number | Publication Date |
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WO2009084589A1 true WO2009084589A1 (ja) | 2009-07-09 |
Family
ID=40824303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2008/073609 WO2009084589A1 (ja) | 2007-12-27 | 2008-12-25 | 電動工具 |
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US (1) | US8368267B2 (ja) |
EP (1) | EP2228179B1 (ja) |
JP (1) | JP5001824B2 (ja) |
CN (1) | CN101909824B (ja) |
BR (1) | BRPI0821923B1 (ja) |
RU (1) | RU2481188C2 (ja) |
WO (1) | WO2009084589A1 (ja) |
Cited By (1)
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CN102233543A (zh) * | 2010-05-07 | 2011-11-09 | 株式会社牧田 | 研磨机 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2982938B1 (en) | 2011-04-08 | 2018-08-29 | Murata Manufacturing Co., Ltd. | Operation device including displacement sensor |
JP5826526B2 (ja) * | 2011-06-08 | 2015-12-02 | 株式会社マキタ | 電動工具 |
US20150042183A1 (en) * | 2013-08-09 | 2015-02-12 | Black & Decker Inc. | Motor having a two-piece stator end ring |
DE102017201311A1 (de) * | 2017-01-27 | 2018-08-02 | Robert Bosch Gmbh | Handwerkzeugmaschine |
WO2019026792A1 (ja) * | 2017-08-03 | 2019-02-07 | 工機ホールディングス株式会社 | 電気機器 |
JP2019081231A (ja) * | 2017-10-31 | 2019-05-30 | 工機ホールディングス株式会社 | 電動工具 |
DE102019134135A1 (de) | 2019-12-12 | 2021-06-17 | Metabowerke Gmbh | Vorrichtung zur Verbindung eines Netzkabels |
EP4037154A1 (en) | 2021-02-02 | 2022-08-03 | Black & Decker, Inc. | High-power motor for a body-grip power tool |
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2008
- 2008-12-25 CN CN200880122798XA patent/CN101909824B/zh active Active
- 2008-12-25 US US12/735,225 patent/US8368267B2/en active Active
- 2008-12-25 WO PCT/JP2008/073609 patent/WO2009084589A1/ja active Application Filing
- 2008-12-25 BR BRPI0821923A patent/BRPI0821923B1/pt active IP Right Grant
- 2008-12-25 RU RU2010131163/02A patent/RU2481188C2/ru active
- 2008-12-25 EP EP08866315.8A patent/EP2228179B1/en active Active
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JPH06319247A (ja) * | 1993-03-23 | 1994-11-15 | Robert Bosch Gmbh | 電子的に整流された電気モータ |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102233543A (zh) * | 2010-05-07 | 2011-11-09 | 株式会社牧田 | 研磨机 |
EP2384855A3 (en) * | 2010-05-07 | 2013-11-13 | Makita Corporation | Grinder with improved connection between controller and switch block for better protection against grinding dust |
US8657033B2 (en) | 2010-05-07 | 2014-02-25 | Makita Corporation | Grinder |
RU2564496C2 (ru) * | 2010-05-07 | 2015-10-10 | Макита Корпорейшн | Шлифовальная машина |
Also Published As
Publication number | Publication date |
---|---|
BRPI0821923A2 (pt) | 2015-06-16 |
CN101909824A (zh) | 2010-12-08 |
BRPI0821923B1 (pt) | 2020-04-22 |
CN101909824B (zh) | 2012-08-29 |
RU2481188C2 (ru) | 2013-05-10 |
US8368267B2 (en) | 2013-02-05 |
US20110031825A1 (en) | 2011-02-10 |
JP2009154271A (ja) | 2009-07-16 |
JP5001824B2 (ja) | 2012-08-15 |
EP2228179B1 (en) | 2015-08-12 |
RU2010131163A (ru) | 2012-02-10 |
EP2228179A4 (en) | 2014-07-02 |
EP2228179A1 (en) | 2010-09-15 |
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