JP4596368B2 - Portable cutting machine - Google Patents

Portable cutting machine Download PDF

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JP4596368B2
JP4596368B2 JP2005285741A JP2005285741A JP4596368B2 JP 4596368 B2 JP4596368 B2 JP 4596368B2 JP 2005285741 A JP2005285741 A JP 2005285741A JP 2005285741 A JP2005285741 A JP 2005285741A JP 4596368 B2 JP4596368 B2 JP 4596368B2
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base
fixing
fixed
cutting machine
portable cutting
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JP2007090784A (en
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輝雄 今井
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Koki Holdings Co Ltd
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Hitachi Koki Co Ltd
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Description

本発明は、平行定規の固定方法を改良した携帯用切断機に関するものである。   The present invention relates to a portable cutting machine having an improved parallel ruler fixing method.

携帯用切断機の平行定規は、図１２、図１３に示すように被削材料１の側面と当接し、摺動するガイド部２と、該ガイド部２に固定され、ベース４とガイド部２を連結する棒部３で構成されている。また本体に平行定規を固定するときには、図１５に示すように、前記棒部３をベース４に設けられた平行定規取り付け用の溝部５に差込み、図１４に示すように、ベース４に備えた係止部材６（例えばちょうボルト）で棒部３を固定していた。（例えば特許文献１参照）
実開平６−７５７０１号公報 Parallel ruler of portable cutting machine, FIG 12, abut the side surface of the work material 1 as shown in FIG. 13, a guide unit 2 to slide, fixed to the guide section 2, the base 4 and the guide portion It is comprised by the rod part 3 which connects 2 . Further, when fixing the parallel ruler to the main body , as shown in FIG. 15, the bar portion 3 is inserted into the groove portion 5 for attaching the parallel ruler provided in the base 4, and the base 4 is provided as shown in FIG. The rod portion 3 was fixed with a locking member 6 ( for example, a bow bolt ) . (For example, see Patent Document 1)
Japanese Utility Model Publication No. 6-75701

携帯用切断機を用いて被削材料１を該被削材料１の側面に対し、平行に切断する際には、図１２、図１３に示すように、本体のベース４に平行定規を取り付け、被削材料１の側面に平行且つ任意の距離を保って案内を行うように使用するが、平行定規の固定は、図１４、図１５に示すように、係止部材６のねじ軸力により、平行定規の棒部３をベース４に固定することにより行われる。しかしながら、従来の係止部材６は、操作部７と固定部８が一体であるので、図１６に示すように係止部材６の操作部７の大きさは、係止部材６の本体取り付け部の周囲空間すなわち、図１６の斜線により示す本体他部品により制限されるため、２点鎖線円以内の小さなサイズにしかできなかった。このため、作業者は、平行定規を固定する際、係止部材６を大きな力で操作する必要があった。 A work material 1 by using a portable cutting machine to a side of the workpiece material 1, when cut parallel to the FIG. 12, as shown in FIG. 13, fitted with a parallel ruler to the base 4 of the main body, Although used to perform guidance coercive parallel and any distance on the side surface of the work material 1, is fixed parallel ruler, FIG. 14, as shown in FIG. 15, the screw shaft force of the locking member 6 This is done by fixing the bar portion 3 of the parallel ruler to the base 4. However, the conventional locking member 6, since the operation portion 7 and the fixed portion 8 is integral, the magnitude of the operating portion 7 of the locking member 6 as shown in FIG. 16, the body mounting portion of the locking member 6 ambient space ie, to be restricted by the body other components shown by hatching in FIG. 16, could only to a smaller size within chain line yen two points. For this reason, the operator has to operate the locking member 6 with a large force when fixing the parallel ruler.

また、被削材料側面から切断位置までの距離は、作業のたびに変化するので、平行定規の固定位置を動かすたびに、頻繁に係止部材６を緩めたり締めたりする必要があり、作業者への負担となっていた。 In addition, since the distance from the work material side surface to the cutting position changes every time the work is performed, it is necessary to frequently loosen or tighten the locking member 6 each time the fixed position of the parallel ruler is moved. It was a burden to.

本発明の目的は、平行定規を容易に着脱することが可能な携帯用切断機を提供することである。   An object of the present invention is to provide a portable cutting machine in which a parallel ruler can be easily attached and detached.

上記の目的を達成するために本発明は、電動機を内蔵した本体と、電動機により駆動され、被削材を切断する刃物と、本体下側に設けられ、切断作業時に被削材表面を摺動するベースと、刃物側面と被削材側面とを平行且つ任意の距離に保ちながら切断作業を行えるように、本体を案内する平行定規を前記ベースに着脱可能に取り付けるための係止部材とを有する携帯用切断機であって、前記係止部材は、操作部と固定部とよりなり、該固定部は多角形をした頭部と、該頭部から前記ベースのねじ穴に延在する軸部とよりなり、該軸部は、前記ベースに形成されたねじ穴と螺合し、螺合状態によって平行定規を前記ベースに固定させることが可能であり、前記操作部は、前記固定部の軸部が貫通する穴部と、上端に前記固定部の頭部と係合する凹部を有し、前記軸部の軸方向に移動可能な円筒状部と、該円筒状部に固定されたレバー形状部よりなり、該操作部の上端の凹部が、前記固定部の頭部と係合しているときは、前記操作部が前記固定部に対して回転不能となり、前記操作部を押し下げて前記固定部の頭部と前記操作部の凹部の係合がはずれたときは、前記操作部を前記固定部に対して回転できるようにし、前記操作部のレバー部の位置を変更可能にしたことに一つの特徴を有する。In order to achieve the above object, the present invention provides a main body with a built-in electric motor, a cutter driven by the electric motor to cut the work material, and provided on the lower side of the main body, and slides on the surface of the work material during cutting work And a locking member for detachably attaching a parallel ruler for guiding the main body to the base so that the cutting operation can be performed while keeping the blade side surface and the work material side surface parallel and at an arbitrary distance. In the portable cutting machine, the locking member includes an operation part and a fixing part, the fixing part having a polygonal head and a shaft part extending from the head to the screw hole of the base The shaft portion can be screwed into a screw hole formed in the base, and a parallel ruler can be fixed to the base according to the screwed state, and the operation portion can be a shaft of the fixing portion. The hole through which the part penetrates and the upper end engages with the head of the fixed part A cylindrical portion having a concave portion and movable in the axial direction of the shaft portion, and a lever-shaped portion fixed to the cylindrical portion, the concave portion at the upper end of the operation portion is connected to the head of the fixed portion. When engaged, the operation unit becomes non-rotatable with respect to the fixed unit, and when the operation unit is pushed down and the engagement between the head of the fixed unit and the recess of the operation unit is released, One feature is that the operation portion can be rotated with respect to the fixed portion, and the position of the lever portion of the operation portion can be changed.

本発明によれば、平行定規を固定するための係止部材を、ベースに形成されたねじ部と螺合し、螺合状態によって平行定規を前記ベースに固定させることができるねじ部を有する固定部と、該固定部に対して回転不能な回転係止状態及び該固定部に対して回転可能な係止解除状態に選択的に変更可能なレバー形状の操作部とを有する構成とすることによって、操作部を状況に応じて係止解除状態とし固定部に対して回転させることができるので、てこの原理を利用して比較的弱い力で平行定規の着脱を行うことができ、平行定規の着脱操作の操作性を向上させることができる。   According to the present invention, the locking member for fixing the parallel ruler is screwed with the screw portion formed on the base, and the fixing having the screw portion capable of fixing the parallel ruler to the base according to the screwed state. And a lever-shaped operation unit that can be selectively changed to a rotation locking state that cannot rotate with respect to the fixing unit and a locking release state that can rotate with respect to the fixing unit. Because the operation part can be unlocked according to the situation and rotated with respect to the fixed part, the lever can be used to attach and detach the parallel ruler with a relatively weak force. The operability of the attaching / detaching operation can be improved.

本発明携帯用切断機の一実施形態を図１〜図１１を用いて以下説明する。   One embodiment of the portable cutting machine of the present invention will be described below with reference to FIGS.

図３、図４に示すように本発明を構成する係止部材６は、操作部７と固定部８とを有する構成をしている。図３は、操作部７が固定部８に対して回転不能な回転係止状態を示し、図４は、操作部７が固定部８に対して回転可能な係止解除状態を示す。   As shown in FIGS. 3 and 4, the locking member 6 constituting the present invention has a configuration having an operation portion 7 and a fixing portion 8. 3 shows a rotation locking state in which the operation unit 7 cannot rotate with respect to the fixing unit 8, and FIG. 4 shows a locking release state in which the operation unit 7 can rotate with respect to the fixing unit 8.

固定部８は、ベース４に形成されたねじ部と螺合することにより、平行定規取付け溝５内に突出するようベース４に取り付けられている。固定部８は、平行定規取付け溝５内に位置する平行定規の棒部３を下端で押圧することにより、平行定規をベース４に取り付けることができるようになっている。   The fixing portion 8 is attached to the base 4 so as to protrude into the parallel ruler attachment groove 5 by screwing with a screw portion formed on the base 4. The fixed portion 8 can attach the parallel ruler to the base 4 by pressing the parallel ruler rod portion 3 positioned in the parallel ruler attachment groove 5 with the lower end.

操作部７は、図６に示すように固定部８から離間する方向に延びるレバー形状部７ａと、固定部８のねじ部が貫通する穴１０及び固定部８の多角形をした頭部（多角形凸部）と係合する凹部９（多角形凹部）を有する円筒状部７ｂとを有する。 Operation unit 7, a lever-shaped portion 7a extending in a direction away from the fixed portion 8 as shown in FIG. 6, polygons were head of the hole 10 and the fixing portion 8 which threaded portions of the fixed portion 8 penetrates (multi A cylindrical portion 7b having a concave portion 9 (polygonal concave portion) engaged with the rectangular convex portion.

更に、図３、図４に示すように、操作部７とベース４との間には、操作部７を図示上側方向、すなわち凹部９と固定部８の頭部とが係合するように操作部７を付勢する弾性体１１が設けられている。   Further, as shown in FIGS. 3 and 4, the operation unit 7 is operated between the operation unit 7 and the base 4 so that the operation unit 7 is engaged in the upward direction in the drawing, that is, the recess 9 and the head of the fixing unit 8 are engaged. An elastic body 11 that biases the portion 7 is provided.

また、操作部７は、回転時に図９に示すようにベース４上方に突出した近接する他部材（図９に示す斜線部）に接触するまで延びた形状をしている。すなわち、固定部８から操作部７の反固定部側端部までの長さ寸法は、固定部８から近接する他部材までの長さ寸法よりも大きい形状をしている。   In addition, the operating portion 7 has a shape extending until it comes into contact with another member (an oblique line portion shown in FIG. 9) that protrudes above the base 4 during rotation, as shown in FIG. That is, the length dimension from the fixed part 8 to the opposite end part of the operation part 7 is larger than the length dimension from the fixed part 8 to another member adjacent thereto.

図３に示す初期状態では、凹部９と固定部８の頭部とが係合しているため、操作部７を回転操作すると固定部８が回転し、ベース４への平行定規の着脱を行うことができる。この着脱操作は、操作部７がレバー形状をしているため、比較的弱い力で操作部７を回転させることができ、容易に行うことができる。   In the initial state shown in FIG. 3, since the concave portion 9 and the head portion of the fixing portion 8 are engaged, when the operation portion 7 is rotated, the fixing portion 8 rotates and the parallel ruler is attached to and detached from the base 4. be able to. This attachment / detachment operation can be easily performed because the operation unit 7 has a lever shape, so that the operation unit 7 can be rotated with a relatively weak force.

図４に示すように、操作部７を弾性体１１の付勢力に抗してベース４側に移動させ、凹部９と固定部８の頭部との係合を解除させると、操作部７を固定部８に対して回転させることができるようになる。これによって、平行定規取付け時に操作部７を回転させたことにより操作部７が他部材に接触した場合や、操作部７を任意の位置に変更したい場合には、図４のように操作部７を下方向に動かすことにより、操作部７のレバー形状部７ａを他部材に接触しない位置等の任意の位置に変更することができるようになる。 As shown in FIG. 4, when the operating portion 7 is moved to the base 4 side against the urging force of the elastic body 11 and the engagement between the concave portion 9 and the head portion of the fixing portion 8 is released, the operating portion 7 is moved. It can be rotated with respect to the fixed portion 8. Accordingly, when the operation unit 7 comes into contact with another member by rotating the operation unit 7 when the parallel ruler is attached, or when it is desired to change the operation unit 7 to an arbitrary position, as shown in FIG. Is moved downward, the lever-shaped portion 7a of the operation portion 7 can be changed to an arbitrary position such as a position where it does not contact other members .

このため、てこの原理を利用して比較的弱い力で平行定規の着脱を行うことができ、平行定規の着脱操作の操作性を向上させることができると共に、レバー形状の操作部７を用いながらにして、棒部３の厚さ寸法が異なる種々の平行定規を着脱することが可能となる。   For this reason, it is possible to attach and detach the parallel ruler with a relatively weak force by utilizing the principle of the lever, and to improve the operability of the attaching and detaching operation of the parallel ruler while using the lever-shaped operation unit 7. It becomes possible to attach and detach various parallel rulers having different thickness dimensions of the bar portion 3.

次に、図１０、図１１に本発明の他の実施形態を示す。図１０は、操作部７が固定部８に対して回転可能な係止解除状態を示し、図１１は操作部７が固定部８に対して回転不能な回転係止状態を示す。   Next, FIGS. 10 and 11 show another embodiment of the present invention. FIG. 10 shows an unlocked state in which the operation unit 7 can rotate with respect to the fixed unit 8, and FIG. 11 shows a rotation locked state in which the operation unit 7 cannot rotate with respect to the fixed unit 8.

図に示す実施形態は、操作部７を軸部１２を支点として回動可能な部材と、固定部８の頭部と係合する部材とを別部材で構成し、固定部８を複数の部材から構成した。操作部７を図１０に示すように上方に位置させることで、固定部８に対して操作部７を回転可能な状態にすることができ、図１１に示すように操作部７を下方に位置させると固定部８に対して操作部７が回転係止される構成となっている。 In the embodiment shown in the figure, a member that can rotate the operation portion 7 with the shaft portion 12 as a fulcrum and a member that engages with the head of the fixing portion 8 are configured as separate members, and the fixing portion 8 is a plurality of members. Consists of . By positioning the operation unit 7 upward as shown in FIG. 10, the operation unit 7 can be rotated with respect to the fixed unit 8, and the operation unit 7 is positioned downward as shown in FIG. Then, the operation unit 7 is configured to be rotationally locked with respect to the fixed unit 8.

このような構成であっても、上記実施形態と同様に、てこの原理を利用して比較的弱い力で平行定規の着脱を行うことができ、平行定規の着脱操作の操作性を向上させることができると共に、レバー形状の操作部７を用いながら、棒部３の厚さ寸法が異なる種々の平行定規を着脱することが可能となるものである。 Even in such a configuration, the parallel ruler can be attached and detached with a relatively weak force using the principle of the lever as in the above embodiment, and the operability of the attachment and detachment operation of the parallel ruler is improved. In addition, it is possible to attach and detach various parallel rulers having different thickness dimensions of the rod portion 3 while using the lever-shaped operation portion 7.

なお、本実施形態として携帯用丸鋸を用いて説明したがジグソーなどの携帯用切断機であっても良い。   In addition, although demonstrated using the portable circular saw as this embodiment, portable cutting machines, such as a jigsaw, may be sufficient.

本発明携帯用切断機の一実施形態を示す斜視図。The perspective view which shows one Embodiment of this invention portable cutting machine. 図１の平面図。The top view of FIG. 図２のＡ−Ａ線断面図。FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. 一動作状態を示す図２のＡ−Ａ線断面図。The AA sectional view taken on the line of FIG. 2 which shows one operation state. 本発明携帯用切断機を構成する操作部の一実施形態を示す平面図。The top view which shows one Embodiment of the operation part which comprises this invention portable cutting machine. 図５のＢ−Ｂ線断面斜視図。FIG. 6 is a cross-sectional perspective view taken along line BB in FIG. 5. 本発明携帯用切断機を構成する固定部の一実施形態を示す側面図。The side view which shows one Embodiment of the fixing | fixed part which comprises this invention portable cutting machine. 図７に示す固定部の平面図。The top view of the fixing | fixed part shown in FIG. 図２の要部拡大一部断面図。The principal part expanded partial sectional view of FIG. 本発明携帯用切断機の他の実施形態を示す要部拡大図。The principal part enlarged view which shows other embodiment of this invention portable cutting machine. 図１０に示す操作部の一動作状態図。FIG. 11 is an operation state diagram of the operation unit illustrated in FIG. 10. 従来の携帯用切断機を用いた切削作業の一例を示す斜視図。The perspective view which shows an example of the cutting operation | work using the conventional portable cutting machine. 従来の携帯用切断機の一例を示す斜視図。The perspective view which shows an example of the conventional portable cutting machine. 図１３に示す携帯用切断機の平面図。The top view of the portable cutting machine shown in FIG. 図１４のＣ−Ｃ線断面図。The CC sectional view taken on the line of FIG. 図１４の要部拡大一部断面図。The principal part expanded partial sectional view of FIG.

１は被作材料、２はガイド部、３は棒部、４はベース、５は平行定規取付け溝、６は係止部材、７は係止部材の操作部、８は係止部材の固定部、９は操作部の溝、１０は操作部の穴、１１は弾性体、１２はピン部材、１００は切断機本体を表す。   1 is a work material, 2 is a guide portion, 3 is a rod portion, 4 is a base, 5 is a parallel ruler mounting groove, 6 is a locking member, 7 is an operating portion of the locking member, and 8 is a fixing portion of the locking member. , 9 is a groove of the operation portion, 10 is a hole of the operation portion, 11 is an elastic body, 12 is a pin member, and 100 is a cutting machine body.

Claims (2)

電動機を内蔵した本体と、
電動機により駆動され、被削材を切断する刃物と、
本体下側に設けられ、切断作業時に被削材表面を摺動するベースと、
刃物側面と被削材側面とを平行且つ任意の距離に保ちながら切断作業を行えるように、本体を案内する平行定規を前記ベースに着脱可能に取り付けるための係止部材とを有する携帯用切断機であって、
前記係止部材は、操作部と固定部とよりなり、
該固定部は多角形をした頭部と、該頭部から前記ベースのねじ穴に延在する軸部とよりなり、該軸部は、前記ベースに形成されたねじ穴と螺合し、螺合状態によって平行定規を前記ベースに固定させることが可能であり、
前記操作部は、前記固定部の軸部が貫通する穴部と、上端に前記固定部の頭部と係合する凹部を有し、前記軸部の軸方向に移動可能な円筒状部と、該円筒状部に固定されたレバー形状部よりなり、
該操作部上端の凹部が、前記固定部の頭部と係合しているときは、前記操作部が前記固定部に対して回転不能となり、前記操作部を押し下げて前記固定部の頭部と前記操作部の凹部の係合がはずれたときは、前記操作部を前記固定部に対して回転できるようにし、前記操作部のレバー部の位置を変更可能にしたことを特徴とする携帯用切断機。 A body with a built-in electric motor,
A blade that is driven by an electric motor to cut the work material ;
A base that is provided on the lower side of the main body and slides on the surface of the work material during cutting work ;
A portable cutting machine having a locking member for detachably attaching a parallel ruler for guiding the main body to the base so that the cutting operation can be performed while keeping the blade side surface and the work material side surface parallel and at an arbitrary distance. Because
The locking member comprises an operation part and a fixing part,
The fixing portion includes a polygonal head and a shaft portion extending from the head to the screw hole of the base. The shaft portion is screwed into a screw hole formed in the base, and is screwed. It is possible to fix the parallel ruler to the base according to the combined state,
The operation part has a hole part through which the shaft part of the fixed part passes, a concave part that engages with the head part of the fixed part at the upper end, and a cylindrical part movable in the axial direction of the shaft part, It consists of a lever-shaped part fixed to the cylindrical part,
When the concave portion at the upper end of the operation portion is engaged with the head portion of the fixing portion, the operation portion becomes non-rotatable with respect to the fixing portion, and the operation portion is pushed down to The portable cutting device , wherein when the engagement of the concave portion of the operation portion is disengaged, the operation portion can be rotated with respect to the fixed portion, and the position of the lever portion of the operation portion can be changed. Machine. 前記操作部の回動中心と、前記操作部のレバー形状部材の端部との間の長さ寸法は、前記操作部の回動中心と前記ベース上方に近接して突出した他部材との間の長さ寸法より大きいことを特徴とする請求項１記載の携帯用切断機。The length dimension between the rotation center of the operation unit and the end of the lever-shaped member of the operation unit is between the rotation center of the operation unit and the other member protruding close to the base. 2. The portable cutting machine according to claim 1, wherein the length is larger than the length of the portable cutting machine.
JP2005285741A 2005-09-30 2005-09-30 Portable cutting machine Active JP4596368B2 (en)

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
JP5315968B2 (en) * 2008-12-12 2013-10-16 日立工機株式会社 Portable cutting machine
JP6069178B2 (en) * 2013-11-25 2017-02-01 シンワ測定株式会社 Parallel ruler for cutting
JP6009429B2 (en) * 2013-11-25 2016-10-19 シンワ測定株式会社 Parallel ruler for cutting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107935U (en) * 1979-01-24 1980-07-29
JPH0445701U (en) * 1990-08-23 1992-04-17
JPH0675701U (en) * 1992-02-07 1994-10-25 日立工機株式会社 Portable electric circular saw
JP2000135623A (en) * 1998-10-28 2000-05-16 Nichiha Corp Dust prevention cutter
US20040068837A1 (en) * 2002-09-26 2004-04-15 Elesa S.P.A. Adjustable handle with a control push button incorporating fast mounting and removal means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107935U (en) * 1979-01-24 1980-07-29
JPH0445701U (en) * 1990-08-23 1992-04-17
JPH0675701U (en) * 1992-02-07 1994-10-25 日立工機株式会社 Portable electric circular saw
JP2000135623A (en) * 1998-10-28 2000-05-16 Nichiha Corp Dust prevention cutter
US20040068837A1 (en) * 2002-09-26 2004-04-15 Elesa S.P.A. Adjustable handle with a control push button incorporating fast mounting and removal means

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