JP6575806B2 - Electric tool - Google Patents
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- JP6575806B2 JP6575806B2 JP2015154198A JP2015154198A JP6575806B2 JP 6575806 B2 JP6575806 B2 JP 6575806B2 JP 2015154198 A JP2015154198 A JP 2015154198A JP 2015154198 A JP2015154198 A JP 2015154198A JP 6575806 B2 JP6575806 B2 JP 6575806B2
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Description
本発明は、ハウジングが被覆された電動工具に関する。 The present invention relates to a power tool having a housing coated thereon.
従来、電動工具としては硬質の樹脂材よりなるハウジングと該ハウジングの一部を覆う軟質のエラストマーよりなる被覆部とを備えたものがある(例えば、特許文献1参照)。このような電動工具では、硬質の樹脂材によって剛性や耐衝撃性等を確保しながら、軟質のエラストマーによって握り易さやデザイン性や衝撃吸収性等を向上させることができる。 Conventionally, some electric tools include a housing made of a hard resin material and a covering portion made of a soft elastomer that covers a part of the housing (see, for example, Patent Document 1). In such a power tool, it is possible to improve ease of gripping, design, shock absorption, and the like with a soft elastomer while securing rigidity and impact resistance with a hard resin material.
ところで、上記のような被覆部を設ける場合、例えば、溶融状態のエラストマーを成形型内に充填して被覆部をハウジングに一体成形することが考えられるが、ハウジングの形状が複雑な場合等、被覆部のハウジングに対する接着力が局部的に弱くなることがあり、被覆部が局部的に剥がれ易くなる虞がある。 By the way, when providing the covering portion as described above, for example, it is conceivable that the molten elastomer is filled in the mold and the covering portion is integrally formed with the housing. There is a possibility that the adhesive strength of the part to the housing is locally weakened, and the covering part may be easily peeled off locally.
本発明は、上記課題を解決するためになされたものであって、その目的は、被覆部の局部的な剥がれを抑えることができる電動工具を提供することにある。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an electric tool capable of suppressing local peeling of a covering portion.
上記課題を解決する電動工具は、先端に工具装着部が設けられた本体部における少なくとも基端側の外形を幅方向に分割した形状に形成され、互いに前記本体部の幅方向中央で接合される一対の樹脂材よりなる分割ハウジングと、前記分割ハウジングの一部を覆うエラストマーよりなる被覆部とを備えた電動工具であって、前記分割ハウジングは、前記本体部の基端側における幅方向の端面を構成する一側面と、その一側面から前記本体部の幅方向に屈曲して接合部位まで延び前記本体部の基端面における幅方向片側を構成する分割基端面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の上面における幅方向片側を構成する分割上面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の下面における幅方向片側を構成する分割下面とを有し、前記被覆部は、少なくとも前記一側面と前記分割基端面と前記分割上面と前記分割下面とを連続して覆うように設けられ、前記分割基端面には、前記一側面側から流れてくる流体を前記本体部の幅方向中央に対応した接合部位側に流し易くするための整流部が形成される。 An electric power tool that solves the above problems is formed in a shape obtained by dividing at least a base end outer shape of a main body portion provided with a tool mounting portion at a distal end in the width direction, and is joined to each other at the width direction center of the main body portion. An electric power tool including a split housing made of a pair of resin materials and a covering portion made of an elastomer covering a part of the split housing, wherein the split housing is an end face in the width direction on the base end side of the main body portion A split base end surface that forms one side in the width direction of the base end surface of the main body portion, bends in the width direction of the main body portion from the one side surface, and extends to the joining site, the one side surface and the split base A split upper surface that forms one side in the width direction on the upper surface of the main body by bending from the end surface, and a width at the lower surface of the main body by bending from the one side surface and the split base end surface, respectively. And the covering portion is provided so as to continuously cover at least the one side surface, the divided base end surface, the divided upper surface, and the divided lower surface, and is provided on the divided base end surface. Is formed with a rectifying part for facilitating the flow of the fluid flowing from the one side surface to the joining part side corresponding to the center in the width direction of the main body part.
本発明の電動工具によれば、被覆部の局部的な剥がれを抑えることができる。 According to the electric tool of the present invention, local peeling of the covering portion can be suppressed.
以下、電動工具の一実施形態を図1〜図4に従って説明する。
図1に示すように、電動工具10は、電動工具本体11と、電動工具本体11に対して着脱可能な電池パック12とを有する。
Hereinafter, an embodiment of an electric power tool will be described with reference to FIGS.
As shown in FIG. 1, the power tool 10 includes a power tool body 11 and a battery pack 12 that can be attached to and detached from the power tool body 11.
電動工具本体11は、その先端(前端)に工具装着部13が設けられた本体部14と、本体部14の長手方向(前後方向)中間部から下方に延びた把持部15と、把持部15の下端に設けられ前記電池パック12が装着される電池パック装着部16とを備える。 The electric power tool main body 11 includes a main body portion 14 provided with a tool mounting portion 13 at a tip (front end) thereof, a gripping portion 15 extending downward from an intermediate portion in the longitudinal direction (front-rear direction) of the main body portion 14, and a gripping portion 15. And a battery pack mounting portion 16 to which the battery pack 12 is mounted.
本体部14の内部には、図示しないモータ及び動力伝達機構等が設けられ、前記工具装着部13はモータの回転駆動力によって回転駆動される。尚、工具装着部13には、ドライバービットやタップ等の先端工具が装着され、該先端工具は工具装着部13と共に回転することになる。 A motor and a power transmission mechanism (not shown) are provided inside the main body 14, and the tool mounting portion 13 is rotationally driven by the rotational driving force of the motor. Note that a tip tool such as a driver bit or a tap is attached to the tool mounting portion 13, and the tip tool rotates together with the tool mounting portion 13.
また、把持部15の上端部における前方には、電動工具10(モータ)の運転・停止を指示するためのトリガスイッチ17が設けられている。
また、電池パック12は、内部に充電可能な二次電池を有し、前記電池パック装着部16に装着された状態で電動工具本体11に電源を供給する。
Further, a trigger switch 17 for instructing operation / stop of the electric tool 10 (motor) is provided in front of the upper end portion of the grip portion 15.
Further, the battery pack 12 has a rechargeable battery inside, and supplies power to the electric tool body 11 in a state of being mounted on the battery pack mounting portion 16.
そして、本実施形態の電動工具本体11は、本体部14における長手方向中間部から基端側及び把持部15の外形を幅方向に分割した形状に形成され、互いに本体部14の幅方向中央で接合される一対の樹脂材(詳しくはガラス繊維強化ポリアミド)よりなる分割ハウジング21を構成部品として備えている。尚、図1では、一方の(図中、紙面手前側の)分割ハウジング21のみ図示し、図4では、他方の分割ハウジング21を二点鎖線で模式的に図示している。また、一対の分割ハウジング21は、接合して固定するためのねじ孔等の細部が異なるのみであるため、同じ符号を付している。 And the electric tool main body 11 of this embodiment is formed in the shape which divided | segmented the external shape of the base end side and the holding part 15 in the width direction from the longitudinal direction intermediate part in the main-body part 14, and is mutually in the width direction center of the main-body part 14. A split housing 21 made of a pair of resin materials (specifically, glass fiber reinforced polyamide) to be joined is provided as a component. In FIG. 1, only one divided housing 21 (on the front side in the drawing) is illustrated, and in FIG. 4, the other divided housing 21 is schematically illustrated by a two-dot chain line. Further, the pair of divided housings 21 are given the same reference numerals because they differ only in details such as screw holes for joining and fixing.
また、電動工具本体11は、前記分割ハウジング21の一部を覆うエラストマーよりなる被覆部22,23を備えている。
詳しくは、図2に示すように、一方の分割ハウジング21は、本体部14の基端側における幅方向の端面を構成する一側面21aと、その一側面21aから本体部14の幅方向に屈曲して(他方の分割ハウジング21との)接合部位まで延び本体部14の基端面(後方端面)における幅方向片側を構成する分割基端面21bとを有する。また、一方の分割ハウジング21は、前記一側面21a及び前記分割基端面21bからそれぞれ屈曲して本体部14の上面における幅方向片側を構成する分割上面21cと、前記一側面21a及び前記分割基端面21bからそれぞれ屈曲して本体部14の下面における幅方向片側を構成する分割下面21dとを有する。また、一方の分割ハウジング21は、前記分割下面21dから屈曲して把持部15の後方側の面における幅方向片側を構成する分割把持部後方面21eを有する。
The electric power tool main body 11 includes covering portions 22 and 23 made of an elastomer that covers a part of the divided housing 21.
Specifically, as shown in FIG. 2, one of the divided housings 21 is bent in the width direction of the main body portion 14 from one side surface 21 a constituting the end surface in the width direction on the base end side of the main body portion 14. Thus, it has a divided base end surface 21b that extends to the joining site (with the other split housing 21) and constitutes one side in the width direction of the base end surface (rear end surface) of the main body portion 14. Also, one divided housing 21 includes a divided upper surface 21c that is bent from the one side surface 21a and the divided base end surface 21b and constitutes one side in the width direction on the upper surface of the main body 14, and the one side surface 21a and the divided base end surface. 21b, each of the lower surfaces of the main body portion 14 is bent to form one side in the width direction. One of the divided housings 21 has a divided gripping portion rear surface 21e that is bent from the divided lower surface 21d and forms one side in the width direction of the rear surface of the gripping portion 15.
そして、図3に示すように、本実施形態の被覆部22は、図2に示した前記一側面21aと前記分割基端面21bと前記分割上面21cと前記分割下面21dと前記分割把持部後方面21eとを連続して(繋がった状態で)覆うように設けられている。 As shown in FIG. 3, the covering portion 22 of this embodiment includes the one side surface 21a, the divided base end surface 21b, the divided upper surface 21c, the divided lower surface 21d, and the divided gripping portion rear surface shown in FIG. 21e is continuously provided (in a connected state).
また、図1に示すように、本実施形態では、もう一方の被覆部23が把持部15の前方側の面における幅方向片側を構成する分割把持部前方面を覆うように設けられている。
ここで、図2及び図4に示すように、本実施形態の分割基端面21bには、前記一側面21a側から流れてくる流体を本体部14の幅方向中央に対応した接合部位側に流し易くするための整流部としての整流凸部31と整流凹部32とが形成されている。
Further, as shown in FIG. 1, in the present embodiment, the other covering portion 23 is provided so as to cover the front surface of the divided gripping portion constituting one side in the width direction on the front side surface of the gripping portion 15.
Here, as shown in FIG. 2 and FIG. 4, the fluid flowing from the one side surface 21 a is allowed to flow to the split base end surface 21 b of the present embodiment to the joint site side corresponding to the center in the width direction of the main body 14. The rectification convex part 31 and the rectification recessed part 32 as a rectification part for making it easy are formed.
整流凸部31は、前記分割基端面21bの上下方向の端部側に凸設され、本実施形態では、幅方向に沿って長く形成されるとともに、上方側と下方側にそれぞれ2つずつ並設されている。 The rectifying convex portions 31 are provided so as to protrude from the vertical end portion of the divided base end surface 21b. In the present embodiment, the rectifying convex portions 31 are formed long along the width direction, and two in each of the upper side and the lower side. It is installed.
整流凹部32は、前記分割基端面21bの上下方向の中央部に凹設され、本実施形態では、幅方向に沿って長く形成されるとともに、上下方向に3つ並設されている。
そして、上記した被覆部22は、本実施形態では、溶融状態のエラストマーが成形型内の前記一側面21aに対応した位置から充填されることで分割ハウジング21に一体成形(二色成形)されている。尚、図2及び図4には、成形時のゲート位置Gを二点鎖線で模式的に図示し、図3には、被覆部22に形成されたゲート跡22aを模式的に図示している。
The rectifying recesses 32 are recessed at the center in the vertical direction of the divided base end face 21b. In the present embodiment, the rectifying recesses 32 are formed long along the width direction and are arranged in parallel in the vertical direction.
In the present embodiment, the above-described covering portion 22 is integrally molded (two-color molding) into the split housing 21 by filling the molten elastomer from a position corresponding to the one side surface 21a in the mold. Yes. 2 and 4 schematically illustrate the gate position G at the time of molding by a two-dot chain line, and FIG. 3 schematically illustrates the gate mark 22a formed on the covering portion 22. .
また、本実施形態の前記分割基端面21b、前記分割上面21c、分割下面21d及び分割把持部後方面21eにおける接合部位側端部には、それぞれ被覆部22の接着力を強くして剥がれを抑えるためのアンカー溝21fが形成されている。 Moreover, the adhesive force of the coating | coated part 22 is strengthened at the joining part side edge part in the said division | segmentation base end surface 21b, the said division | segmentation upper surface 21c, the division | segmentation lower surface 21d, and the division | segmentation holding part rear surface 21e of this embodiment, respectively, and suppresses peeling. An anchor groove 21f is formed.
次に、上記電動工具10(整流凸部31及び整流凹部32)の作用について説明する。
図4に白抜き矢印で示すように、溶融状態のエラストマーを成形型内の前記一側面21aに対応した位置(ゲート位置G)から充填すると、エラストマーは分割基端面21b側、分割上面21c及び分割下面21dのそれぞれに流れる。このとき、分割基端面21b側に流れる溶融状態のエラストマーは、整流凸部31及び整流凹部32の作用によって分割基端面21bにおける接合部位側(本体部14の幅方向中央に対応した部位側)に流れ易くなる。具体的には、溶融状態のエラストマーは、整流凸部31によって、分割上面21c側及び分割下面21d側に逃げるように流れてしまうことが抑えられるとともに、整流凹部32によって、分割基端面21bの上下方向の中央部側(前記接合部位側)に引き込まれ易くなる。
Next, the effect | action of the said electric tool 10 (rectifying convex part 31 and the straightening recessed part 32) is demonstrated.
As shown by the white arrow in FIG. 4, when the molten elastomer is filled from a position (gate position G) corresponding to the one side surface 21a in the mold, the elastomer is divided into the divided base end surface 21b, the divided upper surface 21c and the divided upper surface. It flows to each of the lower surface 21d. At this time, the melted elastomer flowing toward the split base end face 21b is moved to the joining part side (part corresponding to the center in the width direction of the main body part 14) on the split base end face 21b by the action of the straightening convex part 31 and the straightening concave part 32. It becomes easy to flow. Specifically, the molten elastomer is prevented from flowing so as to escape to the divided upper surface 21c side and the divided lower surface 21d side by the rectifying convex portion 31, and the upper and lower sides of the divided base end surface 21b by the rectifying concave portion 32. It becomes easy to be drawn in to the central part side (the joining site side) in the direction.
次に、上記実施の形態の特徴的な効果を以下に記載する。
(1)分割基端面21bには、一側面21a側から流れてくる流体を本体部14の幅方向中央に対応した接合部位側に流し易くするための整流部としての整流凸部31及び整流凹部32が形成される。よって、例えば、溶融状態のエラストマーを成形型内の一側面21aに対応した位置から充填して被覆部22を分割ハウジング21に一体成形する際に、分割基端面21bにおける接合部位側にエラストマーが流れ易くなり、該接合部位側における被覆部22の接着力を強くすることができる。その結果、分割基端面21bの接合部位側における被覆部22の剥がれを抑えることができる。
Next, the characteristic effects of the above embodiment will be described below.
(1) The split base end face 21b has a rectifying convex part 31 and a rectifying concave part as a rectifying part for facilitating the flow of the fluid flowing from the side surface 21a side to the joint part side corresponding to the center in the width direction of the main body part 14. 32 is formed. Therefore, for example, when the molten elastomer is filled from a position corresponding to the one side surface 21a in the mold and the covering portion 22 is integrally formed with the divided housing 21, the elastomer flows to the joining portion side of the divided base end surface 21b. It becomes easy and the adhesive force of the coating | coated part 22 in this joining site | part side can be strengthened. As a result, it is possible to suppress peeling of the covering portion 22 on the joining site side of the divided base end face 21b.
(2)本実施形態では整流部として分割基端面21bの上下方向の端部側に凸設された整流凸部31を含むため、溶融状態のエラストマーが成形型内の一側面21aに対応した位置から充填された際に分割基端面21bに流れてきたエラストマーが分割上面21c側及び分割下面21d側に逃げるように流れてしまうことを抑えることができる。よって、分割基端面21bにおける接合部位側にエラストマーが流れ易くなり、該接合部位側における被覆部22の接着力を強くすることができる。 (2) In this embodiment, since the rectifying convex portion 31 is provided as a rectifying portion so as to protrude from the vertical end portion of the split base end surface 21b, the molten elastomer corresponds to the one side surface 21a in the mold. It can be suppressed that the elastomer that has flowed to the split base end face 21b when it is filled from the side flows away to the split upper surface 21c side and the split lower surface 21d side. Therefore, the elastomer easily flows to the joining site side of the divided base end surface 21b, and the adhesive force of the covering portion 22 on the joining site side can be increased.
(3)本実施形態では、整流部として分割基端面21bの上下方向の中央部に凹設された整流凹部32を含むため、溶融状態のエラストマーが成形型内の一側面21aに対応した位置から充填された際に分割基端面21bに流れてきたエラストマーが分割基端面21bの上下方向の中央部側に引き込まれ易くなる。よって、分割基端面21bにおける接合部位側にエラストマーが流れ易くなり、該接合部位側における被覆部22の接着力を強くすることができる。 (3) In the present embodiment, since the rectifying recess 32 is provided as a rectifying portion in the central portion in the vertical direction of the divided base end surface 21b, the molten elastomer is from a position corresponding to the one side surface 21a in the mold. The elastomer that has flowed to the split base end face 21b when it is filled is easily drawn into the center of the split base end face 21b in the vertical direction. Therefore, the elastomer easily flows to the joining site side of the divided base end surface 21b, and the adhesive force of the covering portion 22 on the joining site side can be increased.
上記実施形態は、以下のように変更してもよい。
・上記実施形態では、分割基端面21bには、整流部としての整流凸部31及び整流凹部32が形成されるとしたが、一側面21a側から流れてくる流体を本体部14の幅方向中央に対応した接合部位側に流し易くするための整流部が形成されれば、他の構成に変更してもよい。例えば、整流凸部31及び整流凹部32の内のいずれか一方のみが形成された構成としてもよい。また、上記実施形態の整流凸部31及び整流凹部32の形状や数を変更してもよい。
The above embodiment may be modified as follows.
In the above embodiment, the split base end face 21b is formed with the rectifying convex part 31 and the rectifying concave part 32 as the rectifying part. However, the fluid flowing from the side face 21a side is centered in the width direction of the main body part 14. If the rectification | straightening part for making it easy to flow to the junction part side corresponding to is formed, you may change into another structure. For example, only one of the rectifying convex portion 31 and the rectifying concave portion 32 may be formed. Moreover, you may change the shape and number of the straightening convex part 31 and the straightening recessed part 32 of the said embodiment.
・上記実施形態では、被覆部22は、前記一側面21aと前記分割基端面21bと前記分割上面21cと前記分割下面21dと前記分割把持部後方面21eとを連続して(繋がった状態で)覆うように設けられるとしたが、分割把持部後方面21eは連続して覆わない被覆部に変更してもよい。 In the above-described embodiment, the covering portion 22 has the one side surface 21a, the divided base end surface 21b, the divided upper surface 21c, the divided lower surface 21d, and the divided gripping portion rear surface 21e continuously (in a connected state). Although it is provided so as to cover, the divided gripping portion rear surface 21e may be changed to a covering portion that does not cover continuously.
次に、上記実施形態及び別例から把握できる技術的思想を以下に追記する。
(付記1)
先端に工具装着部が設けられた本体部における少なくとも基端側の外形を幅方向に分割した形状に形成され、互いに前記本体部の幅方向中央で接合される一対の樹脂材よりなる分割ハウジングと、前記分割ハウジングの一部を覆うエラストマーよりなる被覆部とを備えた電動工具であって、
前記分割ハウジングは、前記本体部の基端側における幅方向の端面を構成する一側面と、その一側面から前記本体部の幅方向に屈曲して接合部位まで延び前記本体部の基端面における幅方向片側を構成する分割基端面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の上面における幅方向片側を構成する分割上面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の下面における幅方向片側を構成する分割下面とを有し、前記被覆部は、少なくとも前記一側面と前記分割基端面と前記分割上面と前記分割下面とを連続して覆うように設けられ、前記分割基端面には、前記一側面側から流れてくる流体を前記本体部の幅方向中央に対応した接合部位側に流し易くするための整流部が形成されたことを特徴とする電動工具。
Next, a technical idea that can be grasped from the above embodiment and another example will be added below.
(Appendix 1)
A split housing formed of a pair of resin materials formed in a shape obtained by dividing at least a base end side outer shape of a main body portion provided with a tool mounting portion at a distal end in the width direction and joined to each other at the center in the width direction of the main body portion; A power tool provided with a covering portion made of an elastomer covering a part of the divided housing,
The divided housing includes a side surface constituting an end surface in the width direction on the base end side of the main body portion, and a width at the base end surface of the main body portion that is bent in the width direction of the main body portion from the one side surface and extends to the joining portion. A split base end surface forming one side in the direction, a split top surface forming one side in the width direction on the upper surface of the main body by bending from the one side surface and the split base end surface, and a bent from each of the one side surface and the split base end surface And a divided lower surface constituting one side in the width direction on the lower surface of the main body, and the covering portion continuously covers at least the one side surface, the divided base end surface, the divided upper surface, and the divided lower surface. The dividing base end face is formed with a rectifying part for facilitating the flow of fluid flowing from the one side face side to the joining part side corresponding to the center in the width direction of the main body part. Power tools that.
(付記2)
付記1に記載の電動工具において、前記整流部は、前記分割基端面の上下方向の端部側に凸設された整流凸部を含むことを特徴とする電動工具。
(Appendix 2)
The electric tool according to appendix 1, wherein the rectifying part includes a rectifying convex part protruding from an end part in a vertical direction of the divided base end face.
(付記3)
付記1又は付記2に記載の電動工具において、前記整流部は、前記分割基端面の上下方向の中央部に凹設された整流凹部を含むことを特徴とする電動工具。
(Appendix 3)
The power tool according to appendix 1 or appendix 2, wherein the rectifying portion includes a rectifying recess that is recessed in a central portion in the vertical direction of the divided base end surface.
13…工具装着部、14…本体部、21…分割ハウジング、21a…一側面、21b…分割基端面、21c…分割上面、21d…分割下面、22…被覆部、31…整流凸部(整流部)、32…整流凹部(整流部)。 DESCRIPTION OF SYMBOLS 13 ... Tool mounting part, 14 ... Main-body part, 21 ... Split housing, 21a ... One side surface, 21b ... Split base end surface, 21c ... Split upper surface, 21d ... Split lower surface, 22 ... Cover part, 31 ... Rectification convex part (Rectification part ), 32... Rectifying recess (rectifying portion).
Claims (3)
前記分割ハウジングの一部を覆うエラストマーよりなる被覆部と
を備えた電動工具であって、
前記分割ハウジングは、前記本体部の基端側における幅方向の端面を構成する一側面と、その一側面から前記本体部の幅方向に屈曲して接合部位まで延び前記本体部の基端面における幅方向片側を構成する分割基端面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の上面における幅方向片側を構成する分割上面と、前記一側面及び前記分割基端面からそれぞれ屈曲して前記本体部の下面における幅方向片側を構成する分割下面とを有し、
前記被覆部は、少なくとも前記一側面と前記分割基端面と前記分割上面と前記分割下面とを連続して覆うように設けられ、
前記分割基端面には、前記一側面側から流れてくる流体を前記本体部の幅方向中央に対応した接合部位側に流し易くするための整流部が形成されたことを特徴とする電動工具。 A split housing formed of a pair of resin materials formed in a shape obtained by dividing at least a base end side outer shape of a main body portion provided with a tool mounting portion at a distal end in the width direction and joined to each other at the center in the width direction of the main body portion; ,
A power tool comprising a covering portion made of an elastomer covering a part of the divided housing,
The divided housing includes a side surface constituting an end surface in the width direction on the base end side of the main body portion, and a width at the base end surface of the main body portion that is bent in the width direction of the main body portion from the one side surface and extends to the joining portion. A split base end surface forming one side in the direction, a split top surface forming one side in the width direction on the upper surface of the main body by bending from the one side surface and the split base end surface, and a bent from each of the one side surface and the split base end surface And having a divided lower surface constituting one side in the width direction of the lower surface of the main body,
The covering portion is provided so as to continuously cover at least the one side surface, the divided base end surface, the divided upper surface, and the divided lower surface,
The electric power tool according to claim 1, wherein a rectifying portion is formed on the divided base end face so that the fluid flowing from the one side face side can easily flow to the joining portion side corresponding to the center in the width direction of the main body portion.
前記整流部は、前記分割基端面の上下方向の端部側に凸設された整流凸部を含むことを特徴とする電動工具。 The power tool according to claim 1,
The electric power tool characterized in that the rectifying unit includes a rectifying convex part projecting from an end part side in the vertical direction of the divided base end face.
前記整流部は、前記分割基端面の上下方向の中央部に凹設された整流凹部を含むことを特徴とする電動工具。 In the electric tool according to claim 1 or 2,
The electric power tool characterized in that the rectifying part includes a rectifying concave part provided in a central part in the vertical direction of the divided base end face.
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