JP5690672B2 - Water-powered power tool - Google Patents

Water-powered power tool Download PDF

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JP5690672B2
JP5690672B2 JP2011149430A JP2011149430A JP5690672B2 JP 5690672 B2 JP5690672 B2 JP 5690672B2 JP 2011149430 A JP2011149430 A JP 2011149430A JP 2011149430 A JP2011149430 A JP 2011149430A JP 5690672 B2 JP5690672 B2 JP 5690672B2
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water
supply pipe
water injection
water supply
handle
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JP2013013981A (en
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文年 沼田
文年 沼田
洋規 生田
洋規 生田
憲 山内
憲 山内
貴将 花井
貴将 花井
晃浩 伊藤
晃浩 伊藤
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Makita Corp
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Makita Corp
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Priority to CN2012101282453A priority patent/CN102862117A/en
Priority to BR102012013805-0A priority patent/BR102012013805B1/en
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  • Portable Power Tools In General (AREA)

Description

この発明は、モータを収容したハウジングに、前記モータの出力軸に対して略直交状にハンドルを突設して、前記出力軸から回転伝達されて前記ハウジングの端部から突出するスピンドルに円盤状工具を装着して、円盤状工具に注水を行う注水式電動工具に関する。   According to the present invention, a handle is provided on a housing housing a motor so as to project substantially perpendicularly to the output shaft of the motor, and a disk is formed on the spindle that is transmitted from the output shaft and protrudes from the end of the housing. The present invention relates to a water injection type electric tool that attaches a tool and injects water into a disk-shaped tool.

例えば特許文献１には、円盤状工具と一体回転するスピンドル内に、軸方向に延びる注水路を形成して、円盤状工具によって被加工材を平面研磨加工等するときに、加工部に対して注水路から水を注水する注水式電動工具が開示されている。この注水式電動工具では、注水路に連結された給水弁に、例えば給水源と接続された給水管を取り付けることで加工部に注水がなされていた。   For example, in Patent Document 1, a water injection path extending in the axial direction is formed in a spindle that rotates integrally with a disk-shaped tool, and when a workpiece is subjected to surface polishing using a disk-shaped tool, the processing portion is A water injection type power tool for injecting water from a water injection channel is disclosed. In this water-injection-type electric tool, water is injected into the processing unit by attaching, for example, a water supply pipe connected to a water supply source to a water supply valve connected to the water injection path.

実公平５−１１９６０号公報No. 5-11960

しかしながら上記の注水式電動工具では、円盤状工具で被加工材の加工をするときに、例えばユーザは、給水弁に取り付けられた給水管を円盤状工具と干渉しないように取り扱う必要があった。これに加えてユーザは、給水管が被加工材に当たることを防止したり、給水管がユーザ自身に当たることを防止するために、給水管の取り扱いに苦労することがあった。仮に給水管が円盤状工具と干渉するおそれや被加工材に当たる等のおそれがあるときは、作業を中断せざるを得ず、その結果、加工作業の効率が低下することが懸念されていた。   However, in the above-described water injection type electric tool, when the workpiece is processed with the disk-shaped tool, for example, the user needs to handle the water supply pipe attached to the water supply valve so as not to interfere with the disk-shaped tool. In addition, the user sometimes has difficulty in handling the water supply pipe in order to prevent the water supply pipe from hitting the workpiece or to prevent the water supply pipe from hitting the user himself / herself. If there is a possibility that the water supply pipe interferes with the disk-shaped tool or hits the workpiece, the work has to be interrupted, and as a result, there is a concern that the efficiency of the machining work is reduced.

この発明は、このような状況に鑑み提案されたものであって、給水管が加工作業を妨げることなく、加工作業の効率を向上させた注水式電動工具を提供することを目的とする。   The present invention has been proposed in view of such a situation, and an object thereof is to provide a water injection type electric tool in which the efficiency of the machining operation is improved without the water supply pipe hindering the machining operation.

請求項１の発明に係る注水式電動工具は、モータを収容したハウジングに、前記モータの出力軸に対して略直交状にハンドルを突設して、前記出力軸と平行に配置されて前記出力軸から回転伝達され、前記ハウジングの端部から突出するスピンドルと、前記スピンドルに装着される円盤状工具と、を備え、前記端部に前記円盤状工具への注水路を設けた注水式電動工具であって、前記ハウジングの前記端部と前記ハンドルの突設側の端部との間に架設状態で設けられて、前記注水路に給水する給水管を内部に収容して保持する保持部を設けたことを特徴とする。 The water injection type electric tool according to the invention of claim 1 is provided with a handle projecting substantially orthogonally to the output shaft of the motor in a housing housing the motor, and arranged parallel to the output shaft to output the output. A water injection type electric tool comprising: a spindle which is transmitted from a shaft and protrudes from an end of the housing; and a disk-like tool mounted on the spindle, and a water injection path to the disk-like tool is provided at the end. A holding portion that is provided between the end portion of the housing and an end portion of the handle on the projecting side and that houses and holds a water supply pipe for supplying water to the water injection passage. It is provided.

請求項２の発明は、請求項１において、前記注水路の一部を前記スピンドル内に形成したことを特徴とする。   According to a second aspect of the present invention, in the first aspect, a part of the water injection channel is formed in the spindle.

請求項３の発明は、請求項１又は２において、前記保持部における前記ハンドルの前記突設側の端部に、前記給水管内の流路を開閉操作可能なコックを設けたことを特徴とする。   The invention of claim 3 is characterized in that, in claim 1 or 2, a cock capable of opening and closing the flow path in the water supply pipe is provided at an end of the holding portion on the projecting side of the handle. .

請求項４の発明は、請求項１ないし３のいずれかにおいて、前記ハンドルの前記突設側の端面から前記モータへ給電する電源コードを導出して、前記保持部における前記ハンドルの前記突設側の端面に、前記給水管と接続される送水管が着脱可能な継手を突設して、前記電源コードの導出方向と、前記継手の突設方向とを略平行にしたことを特徴とする。   According to a fourth aspect of the present invention, in any one of the first to third aspects, a power cord for supplying power to the motor is derived from an end surface on the projecting side of the handle, and the projecting side of the handle in the holding portion. The end surface of the power supply pipe protrudes from a joint that can be attached to and detached from the water supply pipe, and the lead-out direction of the power cord is substantially parallel to the protrusion direction of the joint.

請求項１の発明に係る注水式電動工具によれば、例えば円盤状工具で平面の研磨加工等をするときには、給水管が円盤状工具と干渉することがない。これに加えて、給水管が被加工材に当たることを防止したり、給水管がユーザ自身に当たることを防止できる。したがって、給水管が平面研磨等の加工作業を妨げず、加工作業の効率を向上させることが可能になる。
請求項２の発明によれば、スピンドルとは別個に独立して注水路を形成する必要がない。これに伴って、注水式電動工具を小型化することが可能になる。
請求項３の発明によれば、コックを開閉操作することで、給水管内の流路を容易に開閉することが可能になる。
請求項４の発明によれば、送水管は、電源コードと略平行な状態で延びて継手に取り付け可能であるため、電源コードと送水管とを束ね易くすることができる。したがって、注水式電動工具の移動動作がスムーズになって、さらに加工作業の効率が向上する。 According to the water injection type electric tool according to the first aspect of the present invention, for example, when polishing a flat surface with a disk-shaped tool, the water supply pipe does not interfere with the disk-shaped tool. In addition to this, it is possible to prevent the water supply pipe from hitting the workpiece or to prevent the water supply pipe from hitting the user himself / herself. Therefore, the water supply pipe does not hinder processing work such as surface polishing, and the efficiency of the processing work can be improved.
According to invention of Claim 2, it is not necessary to form a water injection path independently from a spindle. Accordingly, it is possible to reduce the size of the water injection type electric tool.
According to invention of Claim 3, it becomes possible to open and close the flow path in a water supply pipe easily by opening and closing a cock.
According to the invention of claim 4, since the water supply pipe extends in a state substantially parallel to the power cord and can be attached to the joint, the power cord and the water supply pipe can be easily bundled. Accordingly, the moving operation of the water-injection type electric tool becomes smooth, and the efficiency of the machining operation is further improved.

本発明の実施形態の注水サンダの側断面図である。It is a sectional side view of the water injection sander of the embodiment of the present invention.

本発明の実施形態を図１を参照しつつ説明する。図１に示す注水サンダ１は、本体ハウジング１０と、ハンドル２０と、保持部４０とを備えている。なお、注水サンダ１は本発明の注水式電動工具の一例である。   An embodiment of the present invention will be described with reference to FIG. The water injection sander 1 shown in FIG. 1 includes a main body housing 10, a handle 20, and a holding unit 40. The water injection sander 1 is an example of the water injection type electric tool of the present invention.

本体ハウジング１０は筒状に形成されてモータ１１を収容する。モータ１１の出力軸１２は、軸受１３、１４を介して下向き状態で本体ハウジング１０内に回転可能に支持されている。出力軸１２の先端にはピニオン１５が形成されている。さらに本体ハウジング１０内には、スピンドル１６が軸受１７を介して下向き状態で回転可能に支持されている。このスピンドル１６は出力軸１２と平行に配置されている。スピンドル１６の上方側には駆動ギヤ１８が外装されている。この駆動ギヤ１８に前記ピニオン１５が噛合することにより、出力軸１２の回転がスピンドル１６に伝達される。またスピンドル１６の下端は、本体ハウジング１０の前端部１９の下端から本体ハウジング１０の下方へ突出している。スピンドル１６の下端には、円盤状の研磨工具５０がスピンドル１６と直交状に装着されている。図１に示すように、スピンドル１６内でスピンドル１６の軸方向には注水路１６Ａが形成されている。この注水路１６Ａは、研磨工具５０の中心部に形成された注水孔５１と連通する。なお、本体ハウジング１０は本発明のハウジングの一例であり、円盤状の研磨工具は５０は本発明の円盤状工具の一例である。   The main body housing 10 is formed in a cylindrical shape and accommodates the motor 11. The output shaft 12 of the motor 11 is rotatably supported in the main body housing 10 through bearings 13 and 14 in a downward state. A pinion 15 is formed at the tip of the output shaft 12. Further, a spindle 16 is supported in the main body housing 10 via a bearing 17 so as to be rotatable downward. The spindle 16 is arranged in parallel with the output shaft 12. A drive gear 18 is provided on the upper side of the spindle 16. When the pinion 15 is engaged with the drive gear 18, the rotation of the output shaft 12 is transmitted to the spindle 16. The lower end of the spindle 16 protrudes downward from the lower end of the front end portion 19 of the main body housing 10. A disc-shaped polishing tool 50 is attached to the lower end of the spindle 16 so as to be orthogonal to the spindle 16. As shown in FIG. 1, a water injection path 16 </ b> A is formed in the spindle 16 in the axial direction of the spindle 16. The water injection path 16 </ b> A communicates with a water injection hole 51 formed at the center of the polishing tool 50. The main body housing 10 is an example of the housing of the present invention, and the disk-shaped polishing tool 50 is an example of the disk-shaped tool of the present invention.

ハンドル２０は、モータ１１の出力軸１２に対して略直交状となるように本体ハウジング１０に突設されている。ハンドル２０内には、トリガ２１を有するスイッチ２２が収容されている。さらに電源コード２３は、ハンドル２０の突設側の端面２４から導出されている。この電源コード２３はスイッチ２２に接続されている。電源コード２３を交流電源に接続した後に、トリガ２１をハンドル２０内に押し込むことでスイッチ２２がオン状態になると、電源コード２３でモータ１１への給電が可能になる。   The handle 20 protrudes from the main body housing 10 so as to be substantially orthogonal to the output shaft 12 of the motor 11. A switch 22 having a trigger 21 is accommodated in the handle 20. Furthermore, the power cord 23 is led out from the end surface 24 on the projecting side of the handle 20. The power cord 23 is connected to the switch 22. When the switch 22 is turned on by pushing the trigger 21 into the handle 20 after connecting the power cord 23 to the AC power source, the power cord 23 can supply power to the motor 11.

保持部４０は、本体ハウジング１０の前端部１９と、ハンドル２０の突設側の端部２０Ａとの間に架設状態で設けられている。保持部４０の一端はハンドル２０の突設側と繋げて一体にされている。一方、保持部４０の他端は前記前端部１９に連結されている。保持部４０内には、給水管４１を収容して保持する。ここでは給水管４１はフレキシブルチューブによって形成されている。   The holding portion 40 is provided between the front end portion 19 of the main body housing 10 and the end portion 20A on the projecting side of the handle 20 in a erected state. One end of the holding portion 40 is connected to the protruding side of the handle 20 and integrated. On the other hand, the other end of the holding portion 40 is connected to the front end portion 19. A water supply pipe 41 is accommodated and held in the holding unit 40. Here, the water supply pipe 41 is formed of a flexible tube.

保持部４０におけるハンドル２０の突設側の端部４０Ａで保持部４０内には、注水操作部４２が設けられている。給水管４１は保持部４０内を延びており、給水管４１の流入口側（図１の右側）は注水操作部４２に接続されている。一方、給水管４１の流出口側（図１の左側）は、チューブ継手４６を介して本体ハウジング１０の前端部１９に挿着される。その結果、給水管４１の流出口側は注水路１６Ａと連結されている。給水管４１の流入口側に接続された注水操作部４２は、保持部４０の外側から給水管４１内の流路を開閉操作可能なコック４３を備えている。さらに、保持部４０におけるハンドル２０の突設側の端面４４には、ホース継手４５が突設されている。図１に示すように、ホース継手４５の突設方向は電源コード２３の導出方向と略平行とされている。   A water injection operation unit 42 is provided in the holding unit 40 at an end 40A of the holding unit 40 on the projecting side of the handle 20. The water supply pipe 41 extends through the holding unit 40, and the inlet side (the right side in FIG. 1) of the water supply pipe 41 is connected to the water injection operation unit 42. On the other hand, the outlet side (the left side in FIG. 1) of the water supply pipe 41 is inserted into the front end portion 19 of the main body housing 10 via the tube joint 46. As a result, the outlet side of the water supply pipe 41 is connected to the water injection path 16A. The water injection operation part 42 connected to the inlet side of the water supply pipe 41 includes a cock 43 that can open and close the flow path in the water supply pipe 41 from the outside of the holding part 40. Further, a hose joint 45 projects from an end surface 44 of the holding portion 40 on the projecting side of the handle 20. As shown in FIG. 1, the protruding direction of the hose joint 45 is substantially parallel to the direction in which the power cord 23 is led out.

ホース継手４５は前記注水操作部４２に接続されている。ホース継手４５には、送水管（図示せず。）の一端が着脱可能である。送水管の一端は、ホース継手４５及び注水操作部４２を介して給水管４１と接続可能である。また送水管の他端は、例えば水道の蛇口に接続される。送水管の一例としてはホースが挙げられる。なお、ホース継手４５は本発明の継手の一例である。   The hose joint 45 is connected to the water injection operation unit 42. One end of a water supply pipe (not shown) is detachable from the hose joint 45. One end of the water supply pipe can be connected to the water supply pipe 41 via the hose joint 45 and the water injection operation unit 42. Also, the other end of the water pipe is connected to a tap, for example. An example of the water pipe is a hose. The hose joint 45 is an example of the joint of the present invention.

次に注水サンダ１の動作を説明する。ここでは注水サンダ１で被加工材の平面を研磨する例を説明する。作業者はハンドル２０を把持してスイッチ２２をオン状態にすることでモータ１１を駆動させる。モータ１１の駆動に伴って回転する研磨工具５０を被加工材の平面に当てながら移動させることで前記平面を研磨する。このとき給水管４１は、保持部４０内に収容され、かつ本体ハウジング１０の前端部１９と、ハンドル２０の前記端部２０Ａとの間に架設状態で保持される。よって、給水管４１は研磨工具５０と干渉することがない。したがって、作業者は給水管４１と研磨工具５０との干渉を気にすることなく研磨加工を行うことができる。加えて給水管４１が、保持部４０内に収容されて前記架設状態で保持されることで、給水管４１が被加工材に当たることを防止したり、給水管４１が作業者自身に当たることを防止できる。さらに、ホース継手４５の突設方向は電源コード２３の導出方向と略平行であることから、送水管は、電源コード２３と略平行な状態で延びてホース継手４５に取り付け可能である。したがって、電源コード２３と送水管とを束ね易くすることができる。   Next, the operation of the water injection sander 1 will be described. Here, an example in which the plane of the workpiece is polished by the water injection sander 1 will be described. The operator holds the handle 20 and turns on the switch 22 to drive the motor 11. The flat surface is polished by moving the polishing tool 50 that rotates with the drive of the motor 11 against the flat surface of the workpiece. At this time, the water supply pipe 41 is accommodated in the holding portion 40 and held in a erected state between the front end portion 19 of the main body housing 10 and the end portion 20A of the handle 20. Therefore, the water supply pipe 41 does not interfere with the polishing tool 50. Therefore, the worker can perform the polishing without worrying about the interference between the water supply pipe 41 and the polishing tool 50. In addition, the water supply pipe 41 is accommodated in the holding portion 40 and held in the above-described erected state, thereby preventing the water supply pipe 41 from hitting the workpiece or preventing the water supply pipe 41 from hitting the worker himself / herself. it can. Furthermore, since the protruding direction of the hose joint 45 is substantially parallel to the lead-out direction of the power cord 23, the water supply pipe can be attached to the hose joint 45 extending in a state substantially parallel to the power cord 23. Therefore, the power cord 23 and the water pipe can be easily bundled.

注水サンダ１で研磨加工するときは、コック４３を開操作して給水管４１内の流路を開放すると、送水管から供給される水が給水管４１に流れ込む。給水管４１に流れ込んだ水は、注水路１６Ａに供給された後に注水孔５１から噴き出す。注水孔５１から噴き出した水は、研磨加工によって発生した粉塵の飛散を防ぐと共に研磨工具５０を冷却する。なお、注水路１６Ａ及び注水孔５１は本発明の円盤状工具への注水路の一例である。   When polishing with the water injection sander 1, when the cock 43 is opened to open the flow path in the water supply pipe 41, the water supplied from the water supply pipe flows into the water supply pipe 41. The water flowing into the water supply pipe 41 is ejected from the water injection hole 51 after being supplied to the water injection path 16A. The water ejected from the water injection hole 51 prevents the dust generated by the polishing process from scattering and cools the polishing tool 50. In addition, 16 A of water injection paths and the water injection hole 51 are examples of the water injection path to the disk shaped tool of this invention.

＜本実施形態の効果＞
本実施形態の注水サンダ１では、研磨工具５０で被加工材の平面を研磨加工するときは、給水管４１が研磨工具５０と干渉することがない。これに加えて、給水管４１が被加工材に当たることを防止したり、給水管４１が作業者自身に当たることを防止できる。したがって、給水管４１が前記平面の研磨加工を妨げず、加工作業の効率を向上させることが可能になる。 <Effect of this embodiment>
In the water injection sander 1 of the present embodiment, the water supply pipe 41 does not interfere with the polishing tool 50 when the polishing tool 50 polishes the flat surface of the workpiece. In addition to this, it is possible to prevent the water supply pipe 41 from hitting the workpiece or to prevent the water supply pipe 41 from hitting the worker himself. Therefore, the water supply pipe 41 does not hinder the polishing process of the flat surface, and it is possible to improve the efficiency of the processing work.

また、注水路１６Ａをスピンドル１６内に形成したことで、スピンドル１６とは別個に注水路を形成する必要がない。これに伴って、注水サンダ１を小型化することが可能になる。   Further, since the water injection path 16 </ b> A is formed in the spindle 16, it is not necessary to form the water injection path separately from the spindle 16. Along with this, the water injection sander 1 can be reduced in size.

さらに、保持部４０の前記端部４０Ａに設けたコック４３を開閉操作することで、給水管４１内の流路を容易に開閉することが可能になる。   Furthermore, by opening and closing the cock 43 provided at the end 40A of the holding part 40, the flow path in the water supply pipe 41 can be easily opened and closed.

加えて送水管は、電源コード２３と略平行な状態で延びてホース継手４５に取り付け可能であるため、電源コード２３と送水管とを束ね易くすることができる。したがって、研磨工具５０による研磨加工時に注水サンダ１の移動動作がスムーズになって、さらに加工作業の効率が向上する。   In addition, since the water pipe extends in a state substantially parallel to the power cord 23 and can be attached to the hose joint 45, the power cord 23 and the water pipe can be easily bundled. Therefore, the movement operation of the water injection sander 1 becomes smooth during the polishing process by the polishing tool 50, and the efficiency of the processing operation is further improved.

本発明は、上述した実施形態に限定されるものではなく、発明の趣旨を逸脱しない範囲内において構成の一部を適宜変更して実施できる。上述した実施形態では注水サンダ１が被加工材の水平面を研磨加工する例を示したが、これとは異なり、注水サンダ１を被加工材の垂直面の研磨加工や被加工材の面取り加工等に用いてもよい。   The present invention is not limited to the above-described embodiment, and can be implemented by appropriately changing a part of the configuration without departing from the spirit of the invention. In the embodiment described above, an example in which the water injection sander 1 polishes the horizontal surface of the workpiece is shown. However, unlike the above, the water injection sander 1 is polished on the vertical surface of the workpiece, chamfered on the workpiece, or the like. You may use for.

また、上述した実施形態では給水管４１を、保持部４０内に収容した状態で本体ハウジング１０の前端部１９と、ハンドル２０の前記端部２０Ａとの間に架設状態で保持する例を示したが、これに限らない。例えば、前記前端部１９及び前記端部２０Ａに、給水管４１を嵌め入れて保持する保持具をそれぞれ設け、これらの保持具によって、給水管４１を前端部１９と端部２０Ａとの間に架設状態で保持するようにしてもよい。   In the above-described embodiment, an example in which the water supply pipe 41 is held between the front end portion 19 of the main body housing 10 and the end portion 20 </ b> A of the handle 20 while being accommodated in the holding portion 40 has been shown. However, it is not limited to this. For example, the front end portion 19 and the end portion 20A are each provided with a holding tool for fitting and holding the water supply pipe 41, and the water supply pipe 41 is installed between the front end portion 19 and the end portion 20A by these holding tools. You may make it hold | maintain in a state.

さらに上述した実施形態では、本発明を注水サンダ１に適用する例を示したが、これに限らず、本発明を交流駆動式又は充電式で注水式のグラインダやポリッシャ等の注水式電動工具に適用してもよい。   Furthermore, in embodiment mentioned above, although the example which applies this invention to the water injection sander 1 was shown, it is not restricted to this, This invention is applied to water injection type electric tools, such as an alternating current drive type or a charge type water injection type grinder, a polisher. You may apply.

１・・注水サンダ、１０・・本体ハウジング、１１・・モータ、１２・・モータの出力軸、１６・・スピンドル、１６Ａ・・注水路、１９・・本体ハウジングの前端部、２０・・ハンドル、２０Ａ・・ハンドルの突設側の端部、２３・・電源コード、２４・・ハンドルの突設側の端面、４０・・保持部、４０Ａ・・保持部におけるハンドルの突設側の端部、４１・・給水管、４３・・コック、４４・・保持部におけるハンドルの突設側の端面、４５・・ホース継手、５０・・研磨工具、５１・・注水孔。   1 .... Water injection sander, 10 .... Main body housing, 11 .... Motor, 12 .... Output shaft of motor, 16 .... Spindle, 16A ... Water injection channel, 19 .... Front end of main body housing, 20 .... Handle, 20A .. Projection side end of handle, 23 .. Power cord, 24. End surface of handle projection side, 40.. Holding part, 40A. 41 .... Water supply pipe, 43 ... Cock, 44 ... End face of the handle on the projecting side, 45 ... Hose joint, 50 ... Polishing tool, 51 ... Water injection hole.

Claims (4)

モータを収容したハウジングに、前記モータの出力軸に対して略直交状にハンドルを突設して、前記出力軸と平行に配置されて前記出力軸から回転伝達され、前記ハウジングの端部から突出するスピンドルと、前記スピンドルに装着される円盤状工具と、を備え、前記端部に前記円盤状工具への注水路を設けた注水式電動工具であって、
前記ハウジングの前記端部と前記ハンドルの突設側の端部との間に架設状態で設けられて、前記注水路に給水する給水管を内部に収容して保持する保持部を設けたことを特徴とする注水式電動工具。 A handle is provided on a housing housing the motor so as to project substantially orthogonally to the output shaft of the motor, and is arranged in parallel with the output shaft to transmit rotation from the output shaft and project from the end of the housing. A water injection type electric tool provided with a water injection path to the disk-shaped tool at the end portion, and a spindle-shaped tool mounted on the spindle.
A holding portion is provided between the end portion of the housing and the end portion on the projecting side of the handle so as to accommodate and hold a water supply pipe for supplying water to the water injection channel. A water-injecting power tool. 前記注水路の一部を前記スピンドル内に形成したことを特徴とする請求項１に記載の注水式電動工具。   The water injection type electric tool according to claim 1, wherein a part of the water injection channel is formed in the spindle. 前記保持部における前記ハンドルの前記突設側の端部に、前記給水管内の流路を開閉操作可能なコックを設けたことを特徴とする請求項１又は２に記載の注水式電動工具。   The water injection type electric tool according to claim 1 or 2, wherein a cock capable of opening and closing a flow path in the water supply pipe is provided at an end of the handle on the protruding side of the handle. 前記ハンドルの前記突設側の端面から前記モータへ給電する電源コードを導出して、前記保持部における前記ハンドルの前記突設側の端面に、前記給水管と接続される送水管が着脱可能な継手を突設して、
前記電源コードの導出方向と、前記継手の突設方向とを略平行にしたことを特徴とする請求項１ないし３のいずれかに記載の注水式電動工具。 A power cord for supplying power to the motor is derived from the projecting side end face of the handle, and a water supply pipe connected to the water supply pipe is detachably attached to the projecting side end face of the handle in the holding portion. Protruding the joint,
The water injection type power tool according to any one of claims 1 to 3, wherein a lead-out direction of the power cord and a projecting direction of the joint are substantially parallel.
JP2011149430A 2011-07-05 2011-07-05 Water-powered power tool Active JP5690672B2 (en)

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CN2012101282453A CN102862117A (en) 2011-07-05 2012-04-27 Water injection type electric tool
BR102012013805-0A BR102012013805B1 (en) 2011-07-05 2012-06-08 ELECTRIC MECHANICAL TOOL OF THE TYPE WITH WATER INJECTION

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