JP6624157B2 - Tip tool protrusion length adjustment tool - Google Patents

Description

The present invention, in the renewal work, etc., for example for adjusting the protruding length of the tool bit of the power tool for use in cutting the ceiling board, to the tip tool protrusion length adjustment device.

When renovating the interior of a building or performing seismic retrofitting, it is common to dismantle ceiling boards.
The ceiling board is mainly made of gypsum board, and is fixed to the ceiling base material (field edge) with nails, screws, adhesives, etc., so the ceiling board is cut in advance to a size that is easy to dismantle, and then the worker It is preferred that the ceiling board be peeled off from the ceiling base material by hand work.
In addition, when an inspection port is provided on the ceiling or when an air conditioner or the like is added, it is necessary to cut the ceiling board.
2. Description of the Related Art Conventionally, an electric tool provided with a base that comes into contact with a ceiling board is used for cutting the ceiling board. The tip tool used for cutting is attached to the chuck of the electric tool and protrudes from the blade hole of the base.

Usually, wiring such as lighting is provided on the upper surface of the ceiling board.
If the protruding length of the tip tool attached to the electric tool is too short, the ceiling board cannot be cut, and if it is too long, there is a risk that the ceiling board will penetrate and the wiring on the upper surface will be cut.
Conventionally, the adjustment of the protruding length of the tip tool is performed by measuring the thickness of the board to be cut with a scale or the like, and measuring the protruding length from the base again with the scale etc. so that the measured thickness becomes the measured thickness. This is done by inserting the rear part into the chuck of the power tool.
This work takes time because it is necessary to adjust the scale twice, resulting in poor construction efficiency.
Further, if the measurement by the scale or the like is wrong, the protruding length of the tip tool is too short or too long.

The present invention can be easily adjusted protruding length of the tool bit, and an object thereof is to provide a tip tool protrusion length adjustment device.

In order to achieve the above object, a first invention of the present application is a power tool having a base abutting on an object, for adjusting a protrusion length of a tip tool from the base, for adjusting a protrusion length of a tool bit . A slide part having a slide hole formed in a length direction thereof, a head formed at one end of the slide part, and a slide part being formed along the slide hole in a length direction of the slide part. A moving slider, wherein the head is parallel to the length direction and a board contact surface orthogonal to the length direction of the slide portion, and the head tool is inserted through the tip tool attached to the power tool. The slide portion has a slide groove formed in the length direction, and the slider has a slide block disposed in the slide groove and a screw hole formed in the slide block. Screw The slide hole is formed in the bottom surface of the slide groove, and the shaft of the adjustment screw has a length that can be screwed into the slide block from the slide hole and protrude from the slide groove. Wherein the insertion hole is continuous with the slide groove, and a tip of the tip tool inserted into the insertion hole can contact the slide block disposed in the slide groove, and the adjustment screw and the slide The block slides by tightening the adjustment screw with the board material constituting the object sandwiched by the board contact surface of the head and the shaft protruding from the slide block. characterized in that it is fixable against parts, provides a tip tool protrusion length adjustment device.
The third aspect of the present gun, in the first shot Ming tip tool protrusion length adjustment device,
It said head, characterized in that it has a base engaging piece having the board contact surface parallel to the base engaging surface to provide a tip tool protrusion length adjustment device.

According to the present invention, at least one of the following effects can be obtained by means for solving the above problems.
(1) The position of the slider is determined according to the thickness of the target object, and the protrusion length of the tip tool is adjusted accordingly. Therefore, measurement using a scale or the like is unnecessary.
(2) Since measurement by a scale or the like is not required, construction can be performed in a short time and construction efficiency is high.
(3) There is no risk of measurement error due to scale or the like.

Illustration of the tip tool protrusion length adjustment device Illustration of the tip tool protrusion length adjustment by the end tool protrusion length adjustment device (1) Illustration of the tip tool protrusion length adjustment by the end tool protrusion length adjusting tool (2) Explanatory drawing of the cutting state of the ceiling board by the electric tool with the length of the tip tool adjusted Illustration of the tip tool protrusion length adjusting device according to Embodiment 2 Illustration of the cutting state of the ceiling board by the electric tool to adjust the protruding length of the tool bit by the tip tool projection length adjusting device according to Embodiment 2 Illustration of the tip tool protrusion length adjusting device according to Embodiment 3

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<1> end tool protrusion length adjusting tool tip tool protrusion length adjusting device 1 of the present invention has a columnar slide portion 2, a head 3 which is formed at one end of the sliding portion 2, a (FIG. 1).

<2> Slide Part The slide part 2 has a slide groove 21 along the length direction. In addition, a slide hole 22 that is narrower than the slide groove 21 along the slide groove 21 is provided on the bottom surface of the slide groove 21.
The slider 4 that slides in the slide groove 21 in the length direction of the slide portion 2 is accommodated in the slide groove 21.

<3> Head The head 3 is formed with a board contact surface 31 orthogonal to the length direction of the slide portion 2 on the surface of the slide portion 2 having the slide groove 21 and is larger than the width of the slide portion 2. I do.
The head 3 has a chuck contact surface 34 formed on the end surface opposite to the slide portion 2, and the head 3 is inserted through the slide groove 21 from the chuck contact surface 34 in parallel with the length direction of the slide portion 2. It has a hole 32.
Further, the head 3 has a base engaging piece 33 projecting in a direction perpendicular to the direction in which the board contact surface 31 is formed.

<4> Slider The slider 4 has a width approximately equal to the width of the slide groove 21 and is accommodated in the slide groove 21. The slide block 41 is slidable in the length direction of the slide portion 2, and a screw hole 411 formed in the slide block 41. And an adjusting screw 42 to be screwed.
The adjusting screw 42 includes a shaft 421 that is screwed into the screw hole 411 of the slide block 41 and a screw head 422.
The adjusting screw 42 is inserted through the shaft portion 421 from the slide hole 22 side of the slide portion 2 and screwed with the slide block 41 in the slide groove 21.
By tightening the adjustment screw 42, the slide portion 2 is sandwiched between the screw head 422 and the slide block 41 by the axial force of the shaft portion 421, and the adjustment screw 42 and the slide block 41 are fixed. At this time, the length of the shaft 421 is set so that the screwed shaft 421 projects from the slide groove 21.

<5> adjustment method was then used to tip tool protrusion length adjustment device 1 will be described adjusting method of the tool bit projection length.

<5.1> Alignment of Slider and Adjustment Screw The ceiling board B to be cut is provided with the board contact surface 31 of the head 3 and the adjustment screw 42 that projects from the slide groove 21 and is screwed into the slide block 41. The adjustment screw 42 is tightened while being sandwiched between the shaft portion 421, and the slide block 41 and the adjustment screw 42 are fixed (FIG. 2A).
At this time, the slide block 41 and the adjustment screw 42 are fixed in a state where the distance between the board contact surface 31 and the shaft portion 421 is equal to the thickness t of the ceiling board B (FIG. 2B).
This is an operation of merely tightening the adjustment screw 42 with the ceiling board B sandwiched therebetween, and can be performed by anyone in a short time.

<5.2> in a state in which tightened the protrusion length adjustment adjustment screw 42 of the tool bit, remove the tip tool protrusion length adjusting device 1 from the ceiling board B.
Then, the tip tool protrusion length adjusting device 1 rotates in the state in which the tool bit 102 of a drill or end mill is inserted into the insertion hole 32 of the head 3, matches the head 3 to the blade hole 103 of the base 101 Then, the base engaging piece 33 of the head 3 is engaged with the base 101 (FIG. 3).
On the lower surface of the base engaging piece 33, a base engaging surface 331 parallel to the board contact surface 31 is formed. When the base engaging surface 331 keep embedded magnet, the tip tool protrusion length adjusting device 1 and the base 101 and are integrated. This state, since the tip tool 102 is not exposed, the tip tool protrusion length adjustment device 1 is a cover, it is safe carrying your power tool 100 in a state of attaching the tool bit 102.
Next, the chuck contact surface 34 of the head 3 is brought into contact with the chuck 104 of the electric tool 100, and the tip of the tool bit 102 is fixed to the chuck of the electric tool 100 while the tip of the tool 102 is brought into contact with the slide block 41.
The length L of the tip tool 102 protruding from the base 101 is the length up to the slide block 41, so the size of the slide block 41 is set in advance. A plurality of slide blocks 41 having different sizes may be prepared, and the slide blocks 41 may be appropriately selected according to the required projection length L.
Since the protrusion length of the tip tool 102 is adjusted in accordance with the slide block 41 positioned in accordance with the thickness of the ceiling board B serving as an object, measurement using a scale or the like is unnecessary, and the work can be performed in a short time. Work efficiency is increased.
The slide portion 2 is provided with a scale 23 in which the position of the lower surface of the base 101 when the chuck contact portion 34 abuts on the chuck 104 is previously set to 0, for example, to adjust the tip tool protrusion length on the object. even if it is not possible to adjust the use tool 1, it is possible to adjust the protruding length L of the tool bit 102 in accordance with the scale 23.

<5.3> Cutting The ceiling board B is cut by the electric tool 100 in which the protruding length L of the tip tool 102 is adjusted (FIG. 4).
When the protrusion length L is shorter than the thickness t of the ceiling board B, the tip tool 102 does not penetrate the ceiling board B. Since the tip tool 102 does not penetrate the ceiling board B, there is no possibility of damaging the wiring and the like on the upper surface of the ceiling board B.
If the tip tool 102 has an end mill shape, a cutting groove having a projection length L is formed, and the ceiling board B can be easily cut along the cutting groove.
Since the protruding length L of the tip tool 102 is not measured by a scale or the like, there is no risk of measurement error, and the protruding length L is too long to protrude significantly from the ceiling board B to damage wiring and the like. There is no problem that B cannot be cut.

  In the first embodiment, the insertion hole 32 is a drilled hole because the tip tool 102 is a drill or an end mill. However, the insertion hole 32 is formed in a groove shape, so that the insertion tool 32 can also be used for a flat tip tool 102 such as a saw. (FIGS. 5 and 6).

In the first and second embodiments, the slide groove 41 is formed in the slide portion 2 to accommodate the slide block 41. However, only the slide hole 22 may be formed in the slide portion 2 (FIG. 7).
The slider 4 has a structure that can be fixed at a predetermined position while sliding along the slide hole 22, such as by directly protruding a shaft portion 421 inserted into the slide hole 22 on the slide block 41 and fixing the shaft portion 421 with a nut 412. I just need.

1 tip tool protrusion length adjusting device 2 sliding portion 3 the head 4 sliders 100 power tool

Claims (2)

For adjusting the length of projection from the base of the tip tool in an electric tool having a contacting base object, a tip tool protrusion length adjustment device,
A slide portion having a slide hole formed along the length direction, a head formed at one end of the slide portion, and a slider sliding in the length direction of the slide portion along the slide hole, Has,
The head has a board abutting surface orthogonal to the length direction of the slide portion , and an insertion hole that is parallel to the length direction and can insert the tip tool attached to the power tool ,
The slide portion has a slide groove formed in the length direction,
The slider comprises: a slide block disposed in the slide groove; and an adjusting screw screwed into a screw hole formed in the slide block.
The slide hole is formed in a bottom surface of the slide groove,
The shaft of the adjusting screw has a length capable of screwing from the slide hole to the slide block and projecting from the slide groove,
The insertion hole is continuous with the slide groove,
The tip of the tip tool inserted into the insertion hole can contact the slide block disposed in the slide groove,
The adjusting screw and the slide block, the board abutting surface of the head, and the shaft portion protruding from the slide block, sandwiching the board material constituting the object, the adjusting screw, Characterized in that it can be fixed to the slide part by tightening ,
Tip tool protrusion length adjustment device. In the tip tool protrusion length adjustment device of claim 1,
It said head, characterized in that it has a base engaging piece having the board contact surface parallel to the base engaging surface, the tip tool protrusion length adjustment device.

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