JP5986007B2 - Handheld electric cutting machine - Google Patents

Description

  The present invention relates to a hand-held electric cutting machine in which a circular blade is rotated by a motor using a battery as a power source, and more particularly to a hand-held electric cutting machine using a rechargeable battery pack (hereinafter simply referred to as a battery) as a power source. .

  A technique related to a hand-held electric cutting machine using a rechargeable battery as a power source is disclosed in Patent Document 1 below. The battery of this kind of electric tool is provided with an output voltage of 18V or 36V, for example. An 18V output battery (18V battery) is used for a relatively small and small output model, and a 36V output battery (36V battery) is used for a relatively large model requiring higher output.

JP 2010-201598 A

Therefore, for users who use many types of power tools including small and large, it is necessary to use multiple types of batteries depending on whether the power tool is small or large. .
In view of such problems, an object of the present invention is to make it possible to use a low output battery as a power source for a hand-held electric cutting machine that is a relatively large and high output power tool. The tool and battery are used in common, the battery for high output is not required, and the battery can be used without distinction from the low-power electric tool, thereby improving the convenience and handling of the hand-held electric cutting machine. .

A first invention of the present invention is a hand-held electric cutting machine in which a circular cutting tool is rotated by a motor using a battery as a power source, and the circular cutting tool arranged vertically is divided into an upper side and a lower side, A base for determining a cutting depth with respect to the material to be cut by the circular blade by pressing a material to be cut by the circular blade from above, a motor housing provided so as to cover the motor, and an upper region of the circular blade. Hand-held electric cutting comprising a blade case provided so as to cover and a handle provided integrally with at least one of the motor housing and the blade case and capable of being gripped during transportation and use of the hand-held electric cutting machine In the machine, a plurality of batteries are attached to the motor housing or the blade case as the power source. Wherein the battery mounting portion for a plurality of battery in series connection is provided directly or indirectly.
According to the first invention, even when the hand-held electric cutting machine is relatively large and has a high output, a plurality of batteries are used as power sources connected in series with each other. A battery for output can be used. Therefore, the battery can be used without distinction from the low-power electric tool, and the convenience and handling of the hand-held electric cutting machine can be improved. In addition, since the plurality of batteries are attached to the battery mounting portion provided directly or indirectly on the motor housing or the blade case, the plurality of batteries are attached at positions separated from the handle. Even when the occupied space increases, the battery can be prevented from getting in the way when the handle is gripped.

According to a second aspect of the present invention, in the first aspect, the motor is arranged such that the rotation center line of the circular cutting tool is parallel to the rotation center line of the circular blade, and the handle is an upper part of the motor. The longitudinal direction is a direction intersecting with the rotation center line of the motor, and it is provided to extend rearward in the cutting progress direction of the circular cutting tool. The blade case stores cutting waste of the material to be cut by the circular cutting tool. The battery mounting portion includes a plurality of batteries attached to the front and rear portions of the motor housing with respect to the cutting direction of the circular cutting tool, and the front battery is connected to the handle. The battery of the rear part and the rear part are provided so as to be attached to the side part of the handle so as to be separated from the handle. That.
According to the second invention, the battery can be attached at a position that does not get in the way when the handle is gripped.

According to a third aspect of the present invention, in the first aspect, the motor is arranged such that the rotation center line of the circular cutting tool is parallel to the rotation center line of the circular blade, and the handle is an upper part of the motor. The longitudinal direction is a direction intersecting with the rotation center line of the motor, and it is provided to extend rearward in the cutting progress direction of the circular cutting tool. The blade case stores cutting waste of the material to be cut by the circular cutting tool. The battery mounting portion is provided so that the plurality of batteries are attached to a front side portion between the handle and the dust box with respect to a cutting progress direction of the circular cutting tool. It is characterized by.
According to the third aspect of the invention, the battery can be attached at a position that does not get in the way when the handle is gripped.

According to a fourth aspect of the present invention, in the first aspect, the motor is disposed such that the rotation center line of the circular cutting tool is parallel to the rotation center line of the circular blade, and the handle is an upper part of the motor. The longitudinal direction is a direction intersecting the rotation center line of the motor, and the rear end of the circular blade is extended in the cutting progress direction, and the battery mounting portion is configured to cut the circular blade. With respect to the traveling direction, it is provided so as to be attached to the front part of the handle and to the front part of the motor housing.
According to the fourth aspect of the invention, the battery can be attached at a position that does not get in the way when the handle is gripped.

According to a fifth aspect of the present invention, in the first aspect, the motor is arranged such that the rotation center line of the circular cutting tool is parallel to the rotation center line of the circular blade, and the handle is an upper part of the motor. The longitudinal direction is a direction intersecting the rotation center line of the motor, and the rear end of the circular blade is extended in the cutting progress direction, and the battery mounting portion is configured to cut the circular blade. With respect to the direction of travel, the motor housing is attached to the front part and the rear part, respectively, and the front battery is attached to the front part of the handle, and the rear battery is attached to the side part of the handle, away from the handle. It is provided as follows.
According to the fifth aspect of the invention, the battery can be attached at a position that does not get in the way when the handle is gripped.

According to a sixth aspect of the present invention, in the first aspect, the motor is disposed such that the rotation center line of the circular cutting tool intersects with the rotation center line of the circular cutting tool, and the handle is configured to cut the circular cutting tool. Concerning the traveling direction, the motor comprises a rear handle provided at the rear part of the motor and a front handle provided at the front part of the motor. The battery mounting part includes the plurality of batteries, and an upper part of the motor housing. And it is provided so that it may be attached to the upper part of the said rear handle.
According to the sixth aspect of the invention, the battery can be attached at a position that does not get in the way when gripping the front and rear handles.

According to a seventh aspect of the present invention, in the first aspect, the motor is disposed such that the rotation center line of the circular cutting tool intersects with the rotation center line of the circular cutting tool, and the handle is configured to cut the circular cutting tool. Concerning the traveling direction, the motor comprises a rear handle provided at the rear part of the motor and a front handle provided at the front part of the motor. The battery mounting part includes a plurality of batteries connected to the motor housing side. It is provided so that it may be attached to the side spaced apart from the said blade case.
According to the seventh aspect of the invention, the battery can be attached at a position that does not get in the way when gripping the front and rear handles.

According to an eighth aspect of the present invention, in the first aspect described above, the motor is disposed such that the rotational center line of the circular blade is parallel to the rotational center line of the circular blade, and the handle is Concerning the cutting progress direction, it consists of a rear handle provided at the rear part of the motor and a front handle provided at the front part of the motor, and the rear handle has a direction intersecting the rotation center line of the motor. The longitudinal direction is provided to extend rearward of the motor, and the front handle is provided to extend from the rear handle to the anti-circular blade side with the direction parallel to the rotation center line of the motor as the longitudinal direction. The battery mounting portion is configured such that the plurality of batteries are respectively attached to a front portion and a rear portion of the motor housing, and the rear battery is more anti-circular than the rear handle. Mounted spaced apart from the rear handle jig side, the front portion of the battery and being provided to be mounted at a distance from the front handle on the rear side of the front handle.
According to the eighth aspect of the invention, the battery can be attached at a position that does not get in the way when gripping the front and rear handles.

According to a ninth aspect of the present invention, in the first aspect, the motor is disposed such that the rotation center line of the circular blade is parallel to the rotation center line of the circular blade, and the handle is Concerning the cutting progress direction, it consists of a rear handle provided at the rear part of the motor and a front handle provided at the front part of the motor, and the rear handle has a direction intersecting the rotation center line of the motor. The longitudinal direction is provided to extend rearward of the motor, and the front handle is provided to extend from the rear handle to the anti-circular blade side with the direction parallel to the rotation center line of the motor as the longitudinal direction. The battery mounting portion is configured such that the plurality of batteries are arranged on the upper side of the motor housing, on the side opposite to the circular blade tool from the rear handle, and behind the front handle. It provided to be mounted apart from the dollar and the front handle.
According to the ninth aspect of the present invention, the battery can be attached at a position that does not get in the way when gripping the front and rear handles.

According to a tenth aspect of the present invention, in the first aspect, the motor is disposed such that the rotation center line of the circular cutting tool is parallel to the rotation center line of the circular blade, and the handle is an upper part of the motor. The longitudinal direction is a direction intersecting the rotation center line of the motor, and the rear end of the circular blade is extended in the cutting progress direction, and the battery mounting portion is configured to cut the circular blade. With respect to the traveling direction, the motor housing is provided so as to be attached to the front of the handle at an upper portion of the motor housing.
According to the tenth aspect of the invention, the battery can be attached at a position that does not get in the way when the handle is gripped.

According to an eleventh aspect of the present invention, in the first aspect described above, the motor is arranged such that the rotation center line of the circular blade is parallel to the rotation center line of the circular blade, and the circular blade is used as the blade case. A dust box is provided so as to store cutting scraps of the material to be cut, and the handle is provided at a rear handle provided at a rear portion of the dust box and a front portion of the dust box with respect to a cutting progress direction of the circular blade. And the rear handle is provided to extend rearward of the motor with the direction intersecting the rotation center line of the motor as a longitudinal direction, and the front handle is the rotation center of the motor. The battery mounting portion is provided extending from the rear handle toward the motor with the direction parallel to the line as the longitudinal direction. A plurality of batteries are provided to be attached to the front handle, and the position thereof is a position in front of the motor housing and away from the grip portion of the front handle with respect to the cutting progress direction of the circular cutting tool. It is characterized by that.
According to the eleventh aspect of the invention, the battery can be attached at a position that does not get in the way when gripping the front and rear handles.

According to a twelfth aspect of the present invention, in the first aspect, the motor is arranged such that the rotation center line of the circular blade is parallel to the rotation center line of the circular blade, and the circular blade is used as the blade case. A dust box is provided so as to store cutting scraps of the material to be cut, and the handle is provided at a rear handle provided at a rear portion of the dust box and a front portion of the dust box with respect to a cutting progress direction of the circular blade. And the rear handle is provided to extend rearward of the motor with the direction intersecting the rotation center line of the motor as a longitudinal direction, and the front handle is the rotation center of the motor. The battery mounting portion is provided extending from the rear handle toward the motor with the direction parallel to the line as the longitudinal direction. Batteries are provided to be attached to the front part of the motor housing, and the positions thereof are rearward of the front handle and separated from the grip part of the front handle with respect to the cutting progress direction of the circular cutting tool. It is a position.
According to the twelfth aspect of the present invention, the battery can be attached at a position that does not get in the way when the front and rear handles are gripped.

It is a side view of a 1st embodiment of the present invention. It is a front view of the said 1st Embodiment. It is a top view of the said 1st Embodiment. It is a side view of 2nd Embodiment of this invention. It is a front view of the said 2nd Embodiment. It is a top view of the said 2nd Embodiment. It is a side view of 3rd Embodiment of this invention. It is a front view of the said 3rd Embodiment. It is a top view of the said 3rd Embodiment. It is a side view of 4th Embodiment of this invention. It is a front view of the said 4th Embodiment. It is a top view of the said 4th Embodiment. It is a side view of 5th Embodiment of this invention. It is a front view of the said 5th Embodiment. It is a top view of the said 5th Embodiment. It is a side view of 6th Embodiment of this invention. It is a front view of the said 6th Embodiment. It is a top view of the said 6th Embodiment. It is a side view of 7th Embodiment of this invention. It is a front view of the said 7th Embodiment. It is a top view of the said 7th Embodiment. It is a side view of 8th Embodiment of this invention. It is a front view of the said 8th Embodiment. It is a top view of the said 8th Embodiment. It is a side view of 9th Embodiment of this invention. It is a front view of the said 9th Embodiment. It is a top view of the said 9th Embodiment. It is a side view of 10th Embodiment of this invention. It is a front view of the said 10th Embodiment. It is a top view of the said 10th Embodiment. It is a side view of 11th Embodiment of this invention. It is a front view of the said 11th Embodiment. It is a top view of the 11th embodiment. It is a side view of 12th Embodiment of this invention. It is a front view of the said 12th Embodiment. It is a top view of the said 12th Embodiment. It is a front view which shows the battery attaching part of the said 1st Embodiment with a battery. It is a side view which shows the Example of the said 8th Embodiment. It is a front view of the Example of the said 8th Embodiment. It is a top view of the Example of the said 8th Embodiment.

<First Embodiment>
A first embodiment of the present invention will be described with reference to FIGS. The first embodiment is a woodworking circular saw, which has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. The first embodiment is the same as a conventionally known woodworking circular saw except that two batteries 10 are connected in series, and a detailed description of this woodworking circular saw will be omitted.
1 and 3, the direction indicated by the white arrow along with the notation of “cutting progress direction” moves while pushing the woodworking circular saw when cutting wood using the woodworking circular saw. The direction of cutting, that is, the cutting direction of wood is shown. Moreover, in each figure of FIGS. 1-3, each direction shown by the crossing arrow has shown the direction as each described centering | focusing on the circular saw for woodworking. Here, the front and rear directions are the above-mentioned direction of cutting the wood, and the opposite direction is the rear.Up, down, right, and left are the directions of pushing the woodworking circular saw in the direction of cutting the wood. Corresponds to the top, bottom, right and left of the circular saw for woodworking. Furthermore, in each figure of FIGS. 1-3, the battery 10 important in this invention is hatched so that it may stand out. The above description regarding the drawings is the same in the corresponding diagrams of the following embodiments.

  The circular saw for woodworking is configured such that a circular saw 21 that is a circular blade is rotated by a motor (not shown) that uses a battery 10 as a power source. The circular saw 21 is arranged vertically, and the circular saw 21 rotates. The motor is arranged such that its own rotation center line is parallel to the center line. A base 51 is provided so as to divide the region into an upper side and a lower side of the circular saw 21, and this base 51 is formed by pressing a wood (not shown) as a material to be cut to be cut by the circular saw 21 from above. The depth of cut with respect to the wood by the saw 21 is determined. A motor housing 31 provided to cover the motor, a blade case 22 provided to cover the upper region of the circular saw 21, and a motor housing 31 are provided on the base 51, A handle 41 that can be gripped when the circular saw for woodworking is transported and used is provided integrally. The handle 41 is provided in the upper part of the motor and extends in the rear direction and downward in the cutting progress direction of the circular saw 21 with the direction perpendicular to the rotation center line of the motor as the longitudinal direction.

  The front end portion of the blade case 22 is rotatably coupled to the front end portion of the base 51 by the hinge portion 23, and the handle 41 is lifted to raise the circular saw 21 with respect to the base 51 around the hinge portion 23. The motor, the motor housing 31, and the blade case 22 can be lifted. In the case of this circular saw for woodworking, a movable cover 24 is provided under the base 51 so as to cover the lower region of the circular saw 21, and the movable cover 24 extends along the outer periphery of the circular saw 21 from the illustrated state. The blade case 22 can be accommodated while rotating backward. Therefore, when the front end portion of the base 51 is placed on the wood as the material to be cut and the wood saw circular saw is pushed in the cutting progress direction, the front end portion of the movable cover 24 is moved backward by the wood as the cutting of the wood progresses. The movable cover 24 is housed inside the blade case 22 and the circular saw 21 can cut the wood without being obstructed by the movable cover 24.

  The battery 10 is attached to the front part of the handle 41 and the front part of the motor housing 31 via a battery attachment part (not shown) so that two batteries 10 having a terminal voltage of 18V are connected in series. Yes. The two batteries 10 are attached to be inclined along the front-lowering inclined surface of the front portion of the handle 41, and are pushed in the direction indicated by the shaded arrows in FIG. Two batteries 10 are connected to each other in series (not shown). When the batteries 10 are mounted in this way, the two batteries 10 have the left and right directions within the left and right widths of the motor housing 31, and the amount of forward protrusion is the position along the blade case 22. The amount is set lower than the upward protrusion amount of the handle 41. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.

  Although not shown in FIGS. 1 to 3, a battery mounting portion is provided at the front portion of the motor housing 31. The details of this battery mounting portion are shown in FIG. In FIG. 37, two batteries 10 are attached to the battery attachment portion 60 and electrical connection is made. Therefore, connection terminals 61 and 62 for each of the two batteries, a pair of rail receiving portions 63, and a claw engagement member are provided. A stop 64 is provided. The connection terminals 61 and 62 are respectively connected to the positive and negative electrodes of each battery 10, and the rail receiving part 63 is engaged with a rail part (not shown) provided corresponding to the battery 10 side, The battery 10 is mechanically held by inserting the battery 10 in the direction indicated by the arrow in FIG. The claw locking portion 64 engages with a claw portion (not shown) provided on the battery 10 side so that the state is maintained when the battery 10 is inserted and held as described above. It is. As such a battery mounting portion 60, a battery mounting portion for one battery is conventionally known, and here, two battery mounting portions for one battery are provided side by side to be equivalent to two batteries.

  According to the first embodiment described above, a battery of 36V is used instead of a battery of 36V with a rated voltage of 36V, but two 18V batteries 10 are used, so that it is widely used as a battery. A 18V battery can be used. Therefore, the 18V battery can be used without distinction from the low-power electric tool, and the convenience and handling of the woodworking circular saw with a rated voltage of 36V can be improved. In addition, since the two batteries 10 are attached to the front part of the handle 41 and to the front part of the motor housing 31, they are attached at positions separated from the handle 41. Even when the occupied space increases, the battery 10 can be prevented from getting in the way when the handle 41 is gripped.

Second Embodiment
A second embodiment of the present invention will be described with reference to FIGS. The point that the second embodiment is characterized with respect to the above-described first embodiment is that the mounting positions in the woodworking circular saws of the two batteries 10 are changed, and the other is completely the same, The same parts are denoted by the same reference numerals and the description thereof will be omitted.
In the circular saw for woodworking of the second embodiment, two batteries 10 having a terminal voltage of 18V are attached to the front and rear parts of the motor housing 31A so that the two batteries 10 are connected in series. The battery 10 at the front of the rear 41 and the rear battery 10 are attached to the side of the handle 41 so as to be separated from the handle 41. At this time, the rear battery 10 is positioned such that the left end thereof coincides with the left end of the motor housing 31A, and the front battery 10 is shifted to the right side of the rear battery 10 in the left-right direction. . Further, the shape of the motor housing 31A is changed compared to the motor housing 31 of the first embodiment so that the battery 10 can be easily attached to the front and rear portions.
In this case, since the two batteries 10 are separately attached to the front and rear of the motor housing 31A, the illustration is omitted. However, the battery mounting portions for each battery are also attached to the front and rear portions of the motor housing 31A. Each is provided.

The two batteries 10 are configured such that the two batteries 10 are connected in series to a power supply terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are mounted in this way, the two batteries 10 are positioned so that the lateral direction is within the lateral width of the motor housing 31A, and the forward, backward, and upward protruding amounts are along the blade case 22. Yes. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to this 2nd Embodiment, the same effect as the above-mentioned 1st Embodiment can be achieved.

<Third Embodiment>
A third embodiment of the present invention will be described with reference to FIGS. The feature of the third embodiment with respect to the first embodiment described above is that the mounting positions in the woodworking circular saws of the two batteries 10 are changed, and the other is completely the same, The same parts are denoted by the same reference numerals and the description thereof will be omitted.
In the woodworking circular saw of the third embodiment, the battery 41 is attached to the rear portion of the handle 41 so that two batteries 10 having a terminal voltage of 18V are connected in series. The rear portion of the handle 41 is formed to be wide as shown in FIGS. 7 and 9 in order to attach the battery 10, and a battery attachment portion (not shown) similar to that of the first embodiment is provided here.

The two batteries 10 are configured so that the two batteries 10 are connected in series to the power supply terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are attached in this way, the two batteries 10 fit in the left-right direction within the left-right width of the motor housing 31 and protrude rearward, but the upward protrusion amount is below the handle 41A. It is formed along the extended line of the slope line. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to this 3rd Embodiment, the same effect as the above-mentioned 1st Embodiment can be achieved.

<Fourth embodiment>
A fourth embodiment of the present invention will be described with reference to FIGS. The fourth embodiment is a circular saw for woodworking of a motor / blade parallel type, and this woodworking circular saw has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. This fourth embodiment is the same as a conventionally known motor / blade parallel type woodworking circular saw except that two batteries 10 are connected in series. The details of this woodworking circular saw are as follows. The detailed explanation is omitted.

The circular saw for woodworking is configured such that a circular saw 21B, which is a circular cutting tool, is rotated by a motor (not shown) that uses a battery 10 as a power source. The circular saw 21B is arranged vertically, and the circular saw 21B rotates. The motor is arranged such that its own rotation center line is orthogonal to the center line. A base 51B is provided so as to divide the region into an upper side and a lower side of the circular saw 21B, and this base 51B is configured to hold a wood (not shown) as a material to be cut that is cut by the circular saw 21B from above. The depth of cutting with respect to the wood by the saw 21B is determined. A motor housing 31B provided to cover the motor, a blade case 22B provided to cover the upper region of the circular saw 21B, and the motor housing 31B are provided on the base 51B. A rear handle 41 and a front handle 42 that can be gripped during transportation and use of the woodworking circular saw are provided integrally.
The motor is arranged such that the rotation center axis is inclined with respect to the base 51B, and the motor housing 31B is formed in a cylindrical shape along the outer shape of the motor. The rear handle 41B is integrally provided at the rear end of the motor housing 31B so as to form a ring that swells rearward, and the front handle 42 has a shape orthogonal to the ring shape of the rear handle 41B at the front end of the motor housing 31B. It is provided integrally so as to form a ring.

  The front end portion of the blade case 22B is rotatably coupled to the front end portion of the base 51B by a hinge portion 23B, and a circular saw is formed with respect to the base 51B around the hinge portion 23B by lifting the rear handle 41B. 21B, the motor, the motor housing 31B, and the blade case 22B can be lifted. In the case of this circular saw for woodworking, a movable cover 24 is provided under the base 51B so as to cover the lower region of the circular saw 21B, and the movable cover 24 extends from the illustrated state along the outer periphery of the circular saw 21B. The blade case 22B can be accommodated while rotating backward. Therefore, when the front end portion of the base 51B is placed on the wood as the material to be cut and the woodworking circular saw is pushed in the cutting progress direction, the front end portion of the movable cover 24 is moved backward by the wood as the cutting of the wood progresses. The movable cover 24 is housed inside the blade case 22 </ b> B, and the circular saw 21 </ b> B can cut the wood without being obstructed by the movable cover 24.

The battery 10 has a battery mounting portion (not shown) similar to that of the first embodiment at the top of the motor housing 31B and the top of the rear handle 41B so that two batteries 10 having a terminal voltage of 18V are connected in series. Is attached through. The two batteries 10 are attached to be inclined along the front lower slope of the front portion of the rear handle 41B and are pushed in the direction indicated by the shaded arrows in FIG. Two batteries 10 are connected in series (not shown). When the batteries 10 are mounted in this way, the two batteries 10 have a lateral direction that is within the lateral width of the base 51B, and a longitudinal direction that is within the longitudinal length of the rear handle 41B and the motor housing 31B. The amount of protrusion of the rear handle 41B is slightly higher than the amount of protrusion of the rear handle 41B. The upward projecting amount of the battery 10 is suppressed by forming an inclined surface for fixing the battery 10 in the upper front part of the rear handle 41B. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to this 4th Embodiment, the effect similar to the above-mentioned 1st Embodiment can be achieved.

<Fifth Embodiment>
A fifth embodiment of the present invention will be described with reference to FIGS. The feature of the fifth embodiment with respect to the above-described fourth embodiment is that the mounting position in the woodworking circular saw for the two batteries 10 is changed, and the other is completely the same, The same parts are denoted by the same reference numerals and the description thereof will be omitted. The shape of the rear handle 41C is slightly changed compared to the rear handle 41B in the fourth embodiment. This is because the mounting position of the battery 10 has been changed, and there is no essential change.
In the circular saw for woodworking of the fifth embodiment, the same as that of the first embodiment is provided on the side of the motor housing 31B on the side opposite to the circular saw 21B so that two batteries 10 having a terminal voltage of 18V are connected in series. It is attached via a battery attachment part (not shown).
The two batteries 10 are configured so that the two batteries 10 are connected in series to a power terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are attached in this manner, the two batteries 10 protrude from the right end of the base 51B in the left-right direction by approximately the thickness of the battery 10, but in the front-rear direction, the layout of the front handle 42 and the rear handle 41C. Within the range, the vertical direction is also formed so as to be within the layout range of the motor housing 31B and the front and rear handles 42 and 41C. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to the fifth embodiment, it is possible to achieve the same effect as that of the first embodiment.

<Sixth Embodiment>
A sixth embodiment of the present invention will be described with reference to FIGS. The sixth embodiment is a woodworking circular saw (English name: PLUNGE CUT SAW) called a plunge type, in which the circular saw 21D can be moved from above with respect to the wood (not shown) as the material to be cut. The circular saw for woodworking has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. The sixth embodiment is the same as a conventionally known plunge type woodworking circular saw except that two batteries 10 are connected in series. A detailed description of this woodworking circular saw is as follows. Omitted.

The circular saw for woodworking is configured such that a circular saw 21D, which is a circular cutting tool, is rotated by a motor (not shown) that uses a battery 10 as a power source. The circular saw 21D is arranged vertically, and the circular saw 21D rotates. The motor is arranged so that its own rotation center line is parallel to the center line. A base 51D is provided so as to divide the region into an upper side and a lower side of the circular saw 21D, and the base 51D presses a wood (not shown) cut by the circular saw 21D from above, and applies to the wood by the circular saw 21D. The depth of cut is determined. On this base 51D, a motor housing 31D provided to cover the motor, a blade case 22D provided to cover the upper region of the circular saw 21D, and a motor housing 31D are provided. There are provided a rear handle 41D and a front handle 42D that can be gripped during transportation and use of the circular saw for woodworking. Here, the blade case 22D and the base 51D are integrated with each other, and the circular saw 21D, the motor, the motor housing 31D, the rear handle 41D, and the front handle 42D are integrated with each other.
A rear handle 41D provided at the rear part of the motor is provided to extend rearward and downward of the motor with the direction intersecting the rotation center line of the motor as a longitudinal direction, and is provided at the front part of the motor. Is provided extending from the rear handle 41D to the anti-circular saw 21D side with the direction parallel to the rotation center line of the motor as the longitudinal direction.

  A bracket 32D extending forward is integrally provided at the front portion of the motor housing 31D, and the front end portion of the bracket 32D is rotatably coupled to the front end portion of the base 51D by a hinge portion 33D. By lifting 41D, the circular saw 21D, the motor, and the motor housing 31D can be lifted with respect to the base 51D around the hinge 33D. When the circular saw 21D is lifted in this way, the blade case 22D is formed to have a high height so that the circular saw 21D does not interfere with the inner wall of the blade case 22D. Therefore, the circular handle 21D can be lifted by holding the rear handle 41D, and the wood under the base 51D can be cut in this state. By pushing the rear handle 41D and the front handle 42D forward from this state, the wood can be continuously cut in the cutting progress direction by the circular saw 21D.

The battery 10 has a battery mounting portion (not shown) similar to that of the second embodiment at the front and rear of the motor housing 31D of the motor housing 31D so that two batteries 10 having a terminal voltage of 18V are connected in series. Are attached through each. The rear battery 10 is attached to the anti-circular saw 21D side away from the rear handle 41D from the rear handle 41D, and the front battery 10 is attached to the rear side of the front handle 42D away from the front handle 42D. Yes. The two batteries 10 are configured so that the two batteries 10 are connected in series to a power terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are mounted in this way, the two batteries 10 are arranged such that the left-right direction is within the left-right width of the motor housing 31D, and the front-rear direction and the up-down direction are generally within the shape of the blade case 22D. ing. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to the sixth embodiment, it is possible to achieve the same effect as that of the first embodiment described above.

<Seventh embodiment>
A seventh embodiment of the present invention will be described with reference to FIGS. The feature of the seventh embodiment with respect to the above-described sixth embodiment is that the mounting positions in the woodworking circular saws for the two batteries 10 are changed, and the others are exactly the same, The same parts are denoted by the same reference numerals and the description thereof will be omitted. The shape of the motor housing 31E is slightly changed compared to the motor housing 31D in the sixth embodiment. This is because the mounting position of the battery 10 has been changed, and there is no essential change.
In the circular saw for woodworking of the seventh embodiment, the battery 10 having a terminal voltage of 18V is connected to the top of the motor housing 31E so that two batteries 10 are connected in series. It is attached behind the rear handle 41D and the front handle 42D via a battery mounting portion (not shown) similar to that of the first embodiment, behind the rear handle 41D.
The two batteries 10 are configured so that the two batteries 10 are connected in series to a power supply terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are attached in this way, the two batteries 10 are accommodated in the left-right width of the motor housing 31E, the front-rear direction is within the layout range of the front handle 42D and the rear handle 41D, and The direction is also formed so as to be within the vertical width of the rear handle 41D. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to the seventh embodiment, it is possible to achieve the same effect as that of the first embodiment described above.

<Eighth Embodiment>
The eighth embodiment of the present invention will be described with reference to FIGS. The eighth embodiment is a woodworking circular saw with a dust box. This woodworking circular saw has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. The eighth embodiment is the same as a conventionally known woodworking circular saw with a dust box except that two batteries 10 are connected in series. A detailed description of this woodworking circular saw is as follows. Omitted.

  The circular saw for woodworking is configured such that a circular saw 21 that is a circular blade is rotated by a motor (not shown) that uses a battery 10 as a power source. The circular saw 21 is arranged vertically, and the circular saw 21 rotates. The motor is arranged so that its own rotation center line is parallel to the center line. A base 51E is provided so as to divide the region into an upper side and a lower side of the circular saw 21, and the base 51E presses the wood (not shown) cut by the circular saw 21 from above, and the base 51E is applied to the wood by the circular saw 21. The depth of cut is determined. On this base 51E, a motor housing 31F is provided so as to cover the motor, and a dust box 25 is provided so as to cover the upper region of the circular saw 21 and to store wood cutting waste by the circular saw 21. (Corresponding to the blade case in the present invention) and a handle 41E provided on the motor housing 31F and capable of being gripped when carrying and using the circular saw for woodworking are provided integrally. The handle 41E is provided at the upper part of the motor and extends rearward and downward in the cutting progress direction of the circular saw 21 with the direction perpendicular to the rotation center line of the motor as the longitudinal direction. A dust collector connection port 26 is provided at the rear end of the dust box 25 for discharging cutting waste stored in the dust box 25 to the outside.

  The front end portion of the dust box 25 is rotatably coupled to the front end portion of the base 51E by the hinge portion 23. By lifting the handle 41, the circular saw 21 with respect to the base 51E around the hinge portion 23C, The motor, the motor housing 31F, and the dust box 25 can be lifted. In the case of this circular saw for woodworking, a movable cover 24 is provided under the base 51E so as to cover the lower region of the circular saw 21, and the movable cover 24 extends along the outer periphery of the circular saw 21 from the illustrated state. And can be stored inside the dust box 25 while rotating backward. Therefore, when the front end portion of the base 51 is placed on the wood as the material to be cut and the wood saw circular saw is pushed in the cutting progress direction, the front end portion of the movable cover 24 is moved backward by the wood as the cutting of the wood progresses. The movable cover 24 is housed inside the dust box 25, and the circular saw 21 can cut the wood without being obstructed by the movable cover 24.

The battery 10 is attached to the front and rear parts of the motor housing 31F via battery attachment parts (not shown) similar to those of the second embodiment so that two batteries 10 having a terminal voltage of 18V are connected in series. It has been. The front battery 10 is attached to the front part of the handle 41E, and the rear battery 10 is attached to the side part of the handle 41E so as to be separated from the handle 41E. Here, the front battery 10 is attached with the left-right direction being vertically long, and the rear battery 10 is attached with the vertical direction being vertically long.
These two batteries 10 are configured such that the two batteries 10 are connected in series to a power terminal (not shown) of a woodworking circular saw by pushing them in the directions indicated by the shaded arrows in FIG. ing. When the batteries 10 are mounted in this way, the two batteries 10 have the left and right direction within the left and right width of the motor housing 31F, the front and rear direction is within the range of the front and rear length of the base 51E, and the vertical direction is the motor housing. It is made to fit within the vertical width of 31F. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to the eighth embodiment, it is possible to achieve the same effect as that of the first embodiment.

38 to 40 show examples in which the eighth embodiment is applied to a normal circular saw for woodworking. 38 to 40, the same reference numerals are given to portions corresponding to those in FIGS. 22 to 24, and the description thereof will be omitted. In FIG. 38, the circular saw 21 is omitted for easy understanding of the configuration of the movable cover 24. In this embodiment, as apparent from FIGS. 38 and 40, the position of the dust collector connection port 26 is the upper right part of the blade case. However, in FIG. 39, illustration of the dust collector connection port 26 is omitted. Further, in this embodiment, as shown in FIG. 38, a front handle 42D is provided as in the case of the sixth embodiment described with reference to FIG. However, the front handle 42D is not shown in FIGS.
FIG. 40 shows a battery attachment portion 60 of the battery 10 attached to the rear portion of the motor housing 31F. Here, a state in which the rail portions 12 and 12 on the battery 10 side are engaged with a pair of rail receiving portions 63 and 63 provided on the motor housing 31F side is shown. A claw portion 11 is shown on the side of the motor housing 31F of the battery 10. The claw portion 11 can be disengaged from a claw locking portion (not shown) on the motor housing 31 </ b> F side by pressing a button 13 provided on the end surface of the battery 10.
In FIG. 40, the rail portions 12 and 12 on the battery 10 side are engaged with the pair of rail receiving portions 63 and 63 on the motor housing 31F side, and the claw portion 11 on the battery 10 side is engaged with the claw locking portion on the motor housing 31F side. Are engaged and the battery 10 is attached to the rear of the motor housing 31F.

<Ninth Embodiment>
A ninth embodiment of the present invention will be described with reference to FIGS. The feature of the ninth embodiment with respect to the above-described eighth embodiment is that the mounting positions in the woodworking circular saws for the two batteries 10 are changed, and the other is completely the same, The same parts are denoted by the same reference numerals and the description thereof will be omitted. The motor housing 31G and the handle 41F are slightly changed in shape compared to the motor housing 31F and the handle 41E in the eighth embodiment. This is because the mounting position of the battery 10 has been changed, and there is no essential change.
In the circular saw for woodworking of the ninth embodiment, a battery similar to that of the first embodiment is provided at the front portion between the handle 41F and the dust box 25 so that two batteries 10 having a terminal voltage of 18V are connected in series. It is attached via an attachment part (not shown). Here, the handle 41F is formed with a flange portion 43 that extends the side wall surface of the dust box 25 of the handle 41F forward so that the battery 10 can be easily fixed to the front portion.

The two batteries 10 are configured so that the two batteries 10 are connected in series to a power terminal (not shown) of the woodworking circular saw by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are thus mounted, the two batteries 10 are accommodated in the left-right direction between the handle 41F and the dust box 25, the front-rear direction is within the range of the front-rear length of the base 51E, and the vertical direction is the handle. It is made to be within the vertical width of 41F. For this reason, the two batteries 10 have little influence on the operation | work which uses the circular saw for woodworking.
According to the ninth embodiment, it is possible to achieve the same function and effect as those of the first embodiment.

<Tenth Embodiment>
A tenth embodiment of the present invention will be described with reference to FIGS. The tenth embodiment is a masonry cutter, and this masonry cutter has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. The tenth embodiment is the same as a conventionally known masonry cutter except that two batteries 10 are connected in series, and a detailed description of the masonry cutter is omitted.

The masonry cutter is configured such that a diamond wheel 27, which is a circular cutting tool, is rotated by a motor (not shown) that uses a battery 10 as a power source. The motor is arranged so that its own rotation center line is parallel to the line. A base 51F is provided so as to divide the upper side and the lower side of the diamond wheel 27. The base 51F presses a stone (not shown) as a material to be cut, which is cut by the diamond wheel 27, from above. The cutting depth for the stone by the wheel 27 is determined. A motor housing 31H provided so as to cover the motor, a blade case 22E provided so as to cover the upper region of the diamond wheel 27, and a motor housing 31H are provided on the base 51F from the top to the rear. In addition, a handle 41G that can be gripped during transportation and use of the masonry cutter is provided integrally. The handle 41G is a portion from the top to the rear of the motor housing 31H, and is provided to extend rearward and downward in the cutting progress direction of the diamond wheel 27 with the direction perpendicular to the rotation center line of the motor as the longitudinal direction.
The front end portion of the blade case 22E is pivotally coupled to the front end portion of the base 51F by a hinge portion 23D. By lifting the handle 41G, the diamond wheel 27 with respect to the base 51F is centered on the hinge portion 23D. The motor, the motor housing 31H, and the blade case 22E can be lifted.

The battery 10 is connected to a battery mounting portion (not shown) similar to that of the first embodiment at the top of the motor housing 31H and in front of the handle 41G so that two batteries 10 having a terminal voltage of 18V are connected in series. Attached. The two batteries 10 are configured so that the two batteries 10 are connected in series to a power terminal (not shown) of the masonry cutter by being pushed in the direction indicated by the shaded arrow in FIG. . When the batteries 10 are mounted in this way, the two batteries 10 have the left-right direction within the left-right width of the motor housing 31H, the front-rear direction fits within the front-rear length of the base 51F, and the up-down direction has the handle 41G It fits within the top and bottom width. For this reason, the two batteries 10 hardly affect the operation of using the masonry cutter.
According to the tenth embodiment, the same effect as that of the first embodiment can be achieved only by changing the woodworking circular saw to a masonry cutter with respect to the first embodiment described above.

<Eleventh embodiment>
An eleventh embodiment of the present invention will be described with reference to FIGS. The eleventh embodiment is a metalworking chip saw cutter, which has a rated voltage of 36V and uses two 18V batteries 10 connected in series as a power source. The eleventh embodiment is the same as a conventionally known metalworking chip saw cutter except that two batteries 10 are connected in series, and a detailed description of the metalworking chip saw cutter will be omitted.

The metalwork tip saw cutter is configured such that a tip saw 28, which is a circular cutting tool, is rotated by a motor (not shown) that uses a battery 10 as a power source. The tip saw 28 is arranged vertically, and the tip saw 28 is aligned with the rotation center line of the tip saw 28. On the other hand, the motor is arranged so that its own rotation center line is parallel. A base 51G is provided so as to divide the region into an upper side and a lower side of the tip saw 28, and the base 51G presses a metal material (not shown) as a material to be cut by the tip saw 28 from above, thereby The depth of cut with respect to the metal material by is determined. On this base 51G, a motor housing 31J provided to cover the motor, and a dust box 25A (which covers the upper region of the tip saw 28 and is provided so as to store cutting waste of the metal material by the tip saw 28). A rear case 41H and a front handle 42E that are provided from the top to the rear of the dust box 25A and can be gripped when the metalwork chip saw cutter is transported and used. It has been.
The rear handle 41H provided at the rear portion of the dust box 25A is provided to extend rearward and downward of the motor with the direction intersecting the rotation center line of the motor as a longitudinal direction, and is provided at the front portion of the dust box 25A. The handle 42E extends from the rear handle 41D toward the motor housing 31J with the direction parallel to the rotation center line of the motor as the longitudinal direction.

  In the case of this metalworking chip saw cutter, the movable cover 24 is provided under the base 51G so as to cover the lower region of the chip saw 28, and the movable cover 24 is rearward along the outer periphery of the chip saw 28 from the illustrated state. It can be stored inside the dust box 25 </ b> A while rotating at the same time. Therefore, when the front end portion of the base 51G is placed on the metal material as the material to be cut and the metalwork chip saw cutter is pushed in the cutting progress direction, the metal material causes the front end of the movable cover 24 as the metal material is cut. The movable cover 24 is housed inside the dust box 25 </ b> A, and the tip saw 28 can cut the metal material without being obstructed by the movable cover 24.

The battery 10 is connected to the rear part of the front handle 42E so that two batteries 10 having a terminal voltage of 18V are connected in series, at a position in front of the motor housing 31J and away from the gripping part of the front handle 42E. It is attached via a battery attachment portion (not shown) similar to that of the embodiment. A vertical wall 44 is formed at a lower portion of the front handle 42E up to a position reaching the base 51G, and the battery 10 is attached by the vertical wall 44. The two batteries 10 are configured so that the two batteries 10 are connected in series to the power supply terminal (not shown) of the metalwork chip saw cutter by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are attached in this way, the two batteries 10 are accommodated in the left-right direction of the motor housing 31J, the front-rear direction is accommodated between the vertical wall 44 and the motor housing 31J, and the up-down direction is The dust box 25 </ b> A is configured to fit within the vertical width. For this reason, the two batteries 10 hardly affect the operation of using the metalwork chip saw cutter.
According to the eleventh embodiment, the same effects as those of the first embodiment can be achieved only by changing the circular saw for woodworking to a chip saw cutter for metalworking as compared with the first embodiment described above.

<Twelfth embodiment>
A twelfth embodiment of the present invention will be described with reference to FIGS. The feature of the twelfth embodiment with respect to the eleventh embodiment is that the mounting positions of the two batteries 10 in the metalwork chip saw cutter are changed. The same parts are denoted by the same reference numerals and the description thereof will be omitted. However, since the mounting position of the battery 10 is changed between the embodiments, a slight change is made, but this is not an essential change. That is, the shape of the motor housing 31K is changed with respect to the motor housing 31J in the eleventh embodiment, and the front handle 42F does not have the vertical wall 44 like the front handle 42E in the eleventh embodiment. A hinge portion 23E is provided between the front end portion of the base 51G and the front lower end portion of the dust box 25A. The hinge portion 23E is not shown in FIGS. 31 to 33 of the eleventh embodiment, but is actually provided in the same manner.

In the metalwork chip saw cutter of the twelfth embodiment, a battery mounting portion (not shown) similar to that of the first embodiment is mounted on the front portion of the motor housing 31K so that two batteries 10 having a terminal voltage of 18V are connected in series. ) Is attached through. The attachment position is a position behind the front handle 42F and spaced from the grip portion of the front handle 42F.
The two batteries 10 are configured so that the two batteries 10 are connected in series to the power supply terminal (not shown) of the metalworking chip saw cutter by being pushed in the direction indicated by the shaded arrows in FIG. Yes. When the batteries 10 are mounted in this way, the two batteries 10 are accommodated in the left-right direction within the left-right width of the motor housing 31K, and the front-rear direction is accommodated between the front handle 42F and the motor housing 31K. Is within the vertical width of the dust box 25A. For this reason, the two batteries 10 hardly affect the operation of using the metalwork chip saw cutter.
According to the twelfth embodiment, the same effect as that of the first embodiment can be achieved only by changing the circular saw for woodworking to a tip saw cutter for metalworking as compared with the first embodiment.

As mentioned above, although specific embodiment was described, this invention is not limited to those external appearances and structures, A various change, addition, and deletion are possible in the range which does not change the summary of this invention. For example,
1. Although the case where an 18V battery is used as the battery has been described in the above embodiment, a battery having another voltage such as a 14.4V battery may be used. In order to achieve the object of the present invention, it is desirable to select a battery to be used that has the same standard as the most popular battery.
2. In the above-described embodiment, the case where two batteries are connected in series has been described. However, the number of batteries connected in series may be three or more. In order to achieve the object of the present invention, it is possible to determine the number of batteries used in accordance with the rated voltage of the applied hand-held electric cutting machine so that a battery having the same standard as the most popular battery can be used. desirable. For example, when the popular battery is an 18V battery and the rated voltage of the handheld electric cutting machine is 54V, the battery to be used is an 18V battery, and the number of use is three.

DESCRIPTION OF SYMBOLS 10 Battery 11 Claw part 12 Rail part 13 Button 21, 21B, 21D Circular saw (circular blade)
22, 22B, 22D, 22E Blade case 23, 23B, 23C, 23D, 23E Hinge part 24 Movable cover 25, 25A Dust box (blade case)
26 Dust collector connection port 27 Diamond wheel (circular blade)
28 Tipsaw (round blade)
31, 31A, 31B, 31D, 31E, 31F, 31G, 31H, 31J, 31K
Motor housing 32D Bracket 33D Hinge part 41, 41A, 41E, 41F, 41G Handle 41B, 41C, 41D, 41H Rear handle 42, 42D, 42E, 42F Front handle 43 Flange part 44 Vertical walls 51, 51B, 51D, 51E, 51F, 51G Base 60 Battery mounting portion 61, 62 Connection terminal 63 Rail receiving portion 64 Claw locking portion

Claims (8)

A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
The handle is provided at the upper part of the motor, extending in the cutting direction of the circular cutting tool with the direction intersecting the rotation center line of the motor as a longitudinal direction,
As the upper blade case, a dust box is provided so as to store cutting waste of the material to be cut by the circular blade,
The battery mounting portion is configured such that the plurality of batteries are respectively attached to a front portion and a rear portion of the motor housing with respect to a cutting progress direction of the circular cutting tool, and the battery in the front portion is attached to the front portion of the handle. The hand-held electric cutting machine is characterized in that a rear battery is attached to a side portion of the handle so as to be separated from the handle. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
The handle is provided at the upper part of the motor, extending in the cutting direction of the circular cutting tool with the direction intersecting the rotation center line of the motor as a longitudinal direction,
As the upper blade case, a dust box is provided so as to store cutting waste of the material to be cut by the circular blade,
The battery attachment portion is provided so that the plurality of batteries are attached to a front side portion between the handle and the dust box with respect to a cutting progress direction of the circular blade. Cutting machine. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
The handle is provided at the upper part of the motor, extending in the cutting direction of the circular cutting tool with the direction intersecting the rotation center line of the motor as a longitudinal direction,
The battery mounting portion is provided such that the plurality of batteries are attached to a front portion of the handle and a front portion of the motor housing with respect to a cutting progress direction of the circular cutting tool. Hand-held electric cutting machine. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
The handle is provided at the upper part of the motor, extending in the cutting direction of the circular cutting tool with the direction intersecting the rotation center line of the motor as a longitudinal direction,
The battery mounting portion is configured such that the plurality of batteries are respectively attached to a front portion and a rear portion of the motor housing with respect to a cutting progress direction of the circular blade, and the front battery is attached to a front portion of the handle. The hand-held electric cutting machine is characterized in that the battery at the rear portion is provided on a side portion of the handle so as to be separated from the handle. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line intersects the rotation center line of the circular blade,
The handle is composed of a rear handle provided at a rear portion of the motor and a front handle provided at a front portion of the motor with respect to a cutting progress direction of the circular blade.
The hand-held electric cutting machine is characterized in that the battery mounting portion is provided so that the plurality of batteries are mounted on an upper portion of the motor housing and on an upper portion of the rear handle. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line intersects the rotation center line of the circular blade,
The handle is composed of a rear handle provided at a rear portion of the motor and a front handle provided at a front portion of the motor with respect to a cutting progress direction of the circular blade.
The hand-held electric cutting machine is characterized in that the battery mounting portion is provided so that the plurality of batteries are mounted on a side of the motor housing on a side away from the upper blade case. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
The handle is composed of a rear handle provided at a rear portion of the motor and a front handle provided at a front portion of the motor with respect to a cutting progress direction of the circular blade.
Moreover, the rear handle is provided to extend rearward of the motor, with the direction intersecting the rotation center line of the motor as a longitudinal direction.
The front handle is provided to extend from the rear handle to the anti-circular blade side with the direction parallel to the rotation center line of the motor as a longitudinal direction,
The plurality of batteries are attached to the front and rear parts of the motor housing, respectively, and the rear battery is attached to the anti-circular cutting tool side away from the rear handle than the rear handle, The hand-held electric cutting machine according to claim 1, wherein the front battery is mounted on the rear side of the front handle so as to be separated from the front handle. A hand-held electric cutting machine in which a circular blade is rotated by a motor powered by a battery,
A base that determines the depth of cut with respect to the material to be cut by the circular blade, by dividing the vertically arranged circular blade into upper and lower regions, pressing the material to be cut by the circular blade from above, and
A motor housing provided to cover the motor;
An upper blade case provided to cover the upper region of the circular blade;
In the hand-held electric cutting machine provided with at least one of the motor housing and the upper blade case and having a handle that can be gripped during transportation and use of the hand-held electric cutting machine,
The motor housing or the upper blade case is directly or indirectly provided with a battery mounting portion for connecting the plurality of batteries in series by mounting a plurality of batteries as the power source.
The motor is arranged so that its rotation center line is parallel to the rotation center line of the circular blade,
As the upper blade case, a dust box is provided so as to store cutting waste of the material to be cut by the circular blade,
The handle is composed of a rear handle provided at a rear portion of the dust box and a front handle provided at a front portion of the dust box with respect to a cutting progress direction of the circular blade.
Moreover, the rear handle is provided to extend rearward of the motor, with the direction intersecting the rotation center line of the motor as a longitudinal direction.
The front handle is provided extending from the rear handle to the motor side, with a direction parallel to the rotation center line of the motor as a longitudinal direction.
The battery mounting portion is provided so that the plurality of batteries can be attached to the front handle, and the position thereof is the front of the motor housing and the front handle with respect to the cutting progress direction of the circular blade. A hand-held electric cutting machine characterized by being at a position separated from a gripping portion.

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