JP2019107732A - Rotary tool - Google Patents

Abstract

To provide a rotary tool exhibiting high convenience for different works.SOLUTION: A rotary tool can be mounted in a chuck section of a rotary drive tool. The rotary tool includes a base section rotary tool and a tip section rotary tool. The base section rotary tool has a first work section to be used for a first work, a mounting shaft which is provided closer to a base end side than the first work section which can be mounted in the chuck section, and a first engaging section which is provided closer to a tip side than the first work section. The tip section rotary tool has a second work section to be used for a second work, and a second engaging section which is provided closer to the base end side than the second work section and is engaged with the first engaging section.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a rotary tool having a mounting shaft mountable to a chuck portion of a rotary drive tool such as an electric drill or a rotary tool connectable thereto.

  Conventionally, a drill or a driver is used as a tip tool (hereinafter, also referred to as a "bit") and is mounted on a chuck of a rotary drive tool such as an electric drill or electric driver and the rotational driving force of the rotary drive tool is transmitted. A rotating tool that rotates is widely used.

  And there are various bits, and the function of the rotary drive tool is enhanced by replacing the bit according to the application, but various ideas to further enhance the versatility and convenience of the rotary tool It has been done.

  For example, a socket bit for a drill screw has been proposed which can efficiently perform an operation of fastening a laminated body in which a heat insulating material is sandwiched between a surface plate and a base plate to a steel member (Patent Document 1).

  In other words, Patent Document 1 includes a main body that is attached to a powered driver tool and rotates about an axis, and an engagement is made such that the head of the drill screw is fitted to the tip of the main body opposite to the driver tool. A socket bit for a drill screw is disclosed, characterized in that it comprises a portion and a cutting blade capable of circularly cutting out a face plate into which the drill screw has entered.

  In addition, a rotary tool mounting shaft that can be used in common to two types of rotary drive tools having different structures of holding parts and a rotary tool provided with the mounting shaft has been proposed (Patent Document 2).

  That is, in Patent Document 2, a rotary tool is formed by being connected to the rotary blade in the axial direction, and the rotary drive tool of the above-mentioned rotary drive tool is removably mounted on the holder of the rotary drive tool having the holder. The workpiece is processed on the rotary blade by rotating with the rotary blade under rotational driving force, and it can be commonly used for both types of rotary drive tools with different forms of the holding part A mounting shaft for a rotary tool, wherein the mounting shaft surrounds a first insertion hole having a cross sectional shape other than a circular shape as the rotary drive tool and with respect to a circumferential surface of the mounting shaft inserted into the insertion hole Having a first holding portion having an engaging portion for preventing the attachment shaft from being disengaged by engaging with the other, and a second insertion hole having a cross-sectional shape other than a circular shape and inserted into the insertion hole Diameter of the mounting shaft A first shaft that can be attached to any of those having a second holding unit having a holding unit that holds the mounting shaft by holding from the other side, the first shaft being mountable to the first holding unit Portion and a second shaft portion mountable to the second holding portion on a common axis, and the first shaft portion has a shape other than a circular shape that can be inserted into the first insertion hole. It has a cross-sectional shape, and a recess is formed on the circumferential surface thereof in which the engaging portion can be fitted, and the second shaft portion is a plurality of gripped parts that can be in pressure contact with the gripping portions. A mounting shaft for a rotary tool is disclosed which is characterized in that it has a circumferential surface shaped to include a surface.

Japanese Patent Laid-Open No. 2000-141236 Utility model registration No. 3146237

  However, the techniques disclosed in Patent Document 1 and Patent Document 2 have an effect and effect for enhancing work accuracy and work efficiency for one work, and to improve versatility to a plurality of types of rotationally driven tools. Although there are effects and effects, there is room for improvement in terms of devising to enhance versatility and convenience for different tasks.

  Therefore, an object of the present invention is to provide a rotary tool that exhibits high versatility and convenience for different operations.

  Therefore, a rotary tool according to an embodiment of the present invention is a rotary tool that can be mounted on a chuck of a rotary drive tool, and the rotary tool includes a main part rotary tool and a tip rotary part, and the main part The rotary tool includes a first working unit used for a first operation, a mounting shaft provided on the proximal end side of the first working unit mountable to the chuck unit, and the first working unit And a first engaging portion provided on the distal end side, wherein the distal end rotating tool is a proximal end side of the second working portion used for the second operation and the second working portion. And a second engaging portion provided on the first engaging portion and engaged with the first engaging portion.

  According to the rotary tool according to the embodiment of the present invention, the rotary tool not only enhances the working accuracy and the working efficiency for one work but also exhibits high versatility and convenience for different works. The effect of being able to provide

It is an explanatory view explaining the appearance composition of the rotation tool concerning one embodiment of the present invention. It is an explanatory view explaining a situation where a rotary tool concerning one embodiment of the present invention was attached to a rotary drive tool. It is explanatory drawing explaining the 1st usage example of the rotary tool concerning one Embodiment of this invention. It is explanatory drawing explaining the 1st usage example of the rotary tool concerning one Embodiment of this invention. It is an explanatory view explaining a situation of a state where the 1st use of a rotary tool concerning one embodiment of the present invention is finished. It is explanatory drawing explaining the 2nd usage example of the rotary tool concerning one Embodiment of this invention. It is explanatory drawing explaining the 2nd usage example of the rotary tool concerning one Embodiment of this invention.

  Embodiments of a rotary tool according to the present invention will be described with reference to the drawings.

  FIG. 1 shows the appearance of a rotary tool according to an embodiment of the present invention.

The rotary tool 10 according to an embodiment of the present invention is roughly divided into a tip portion rotary tool 110 and a main portion rotary tool 120.
The distal end portion rotating tool 110 includes a driver 111 used for screw fastening and the like, and a hexagonal nut 112 provided on the base end side of the driver 111 and used for engagement between the distal end portion rotating tool 110 and the main portion rotating tool 120. It consists of

The main portion rotating tool 120 is a main body shaft portion 122, a disc-shaped diamond cutter 121 provided detachably on the tip end side of the main body shaft portion 122 and used for operations such as cutting in a direction perpendicular to the rotation axis A screwing groove (convex) 124 provided on the tip end side of the cutter 121 and used for engagement between the tip end portion rotating tool 110 and the main portion rotating tool 120, and provided on the base end side of the main body shaft portion 122 The mounting shaft portion 123 is attachable to the chuck portion (not shown in FIG. 1).
By rotating an unshown female screw formed on the inner circumferential surface of the hexagonal nut 112 of the tip portion rotating tool 110 and the screwing groove (convex) 124 of the main portion rotating tool 120, the tip portion rotating tool 110 and the main portion rotating tool 120 are engaged while holding the diamond cutter 121. Once, the diamond cutter 121 held between the tip rotating tool 110 and the main part rotating tool 120 is not easily loosened, and is integral with the rotating tool 120 when the rotational torque from the rotationally driven tool is transmitted. It is turned.

  It is also possible to screw and fasten a cap nut (not shown) or a cap nut (not shown) to the tip end portion of the main part rotating tool 120 instead of the tip end rotating tool 110. In this case, the function of the rotary tool is only one type (cutting and cutting by the diamond cutter 121) as before.

  FIG. 2 shows how a rotary tool according to an embodiment of the present invention is attached to a rotary drive tool. A chuck portion (not shown in FIG. 2) is provided inside the tip portion 210 of the power drill 200, which is a rotary drive tool, and the mounting shaft portion 123 of the main portion rotating tool 120 is attached to this chuck portion. The rotary tool 10 is attached to the electric drill 200. The rotational torque generated by turning on the power of the electric drill 200 and activating the rotation mechanism is transmitted to the rotary tool 10 via the mounting shaft 123. Further, the rotational speed and rotational direction of the rotation mechanism of the electric drill 200 can be varied by a switch or the like (not shown). That is, the rotational speed can be increased or decreased, and the rotational direction can be reversed.

  Thereby, the operation such as screwing and screwing can be performed by forward or reverse rotation of the driver 111 at the tip of the rotary tool 10, and by the high speed rotation of the diamond cutter 121 without replacing the rotary tool 10 itself. Work such as cutting and cutting can be performed.

  Next, with reference to FIGS. 3A to 5B, an example of a rotary tool according to an embodiment of the present invention is shown. In these implementations, the rotary tool according to one embodiment of the present invention needs bit replacement between the diamond cutter (cutting operation in the horizontal direction with respect to the rotation axis) and the driver bit (fastening operation in the same direction with respect to the rotation axis). It shows that it can be done efficiently without doing it. Hereinafter, for convenience of explanation, the work by the diamond cutter will be referred to as a first usage example, and the work by the driver bit will be referred to as a second usage example.

  FIGS. 3A and 3B show a first example of use of a rotary tool according to an embodiment of the present invention. The state before the 1st use of the rotary tool concerning this invention is made is shown by FIG. 3A, and the polyvinyl chloride pipe 31 for drainages in the floor 30 and the surplus part protrudes only height H from the floor surface. It is being laid in a state of FIG. 3B shows the state during the first use of the rotary tool according to the invention. First, the rotary tool 10 attached to the tip of the electric drill 200 is inserted into the lumen of the drainage polyvinyl chloride pipe 31 to a position where the diamond cutter 123 is substantially flush with the floor surface. Thereafter, the electric drill 200 is driven to rotate, the rotational torque is transmitted to the rotary tool 10, and the diamond cutter 123 held by the rotary tool 10 is rotated. In the state where the diamond cutter 123 is rotating, the drainage polyvinyl chloride pipe 31 is cut at a cut portion 311 of the pipe by sequentially abutting and rotating the outer circumference of the diamond cutter 123 over the entire circumference of the inner peripheral surface of the drainage polyvinyl chloride pipe 31. It is cut at.

  FIG. 4 shows the state after the first use by the rotary tool according to an embodiment of the present invention. According to the first use shown in FIGS. 3A to 3B, the draining polyvinyl chloride pipe 31 is cut at the cut portion 311 of the pipe and embedded in the surplus portion projecting from the floor surface of the draining polyvinyl chloride pipe 31 and the floor 30 The part has been separated. As a result, the upper end plane of the drainage polyvinyl chloride pipe 31 laid on the floor 30 substantially coincides with the plane of the floor 30, and a drainage adapter described later can be attached to this part.

FIG. 5 shows a second example of use of the rotary tool according to an embodiment of the present invention.
The state before the 2nd use of the rotary tool concerning this invention is made is shown by FIG. 5A, and the drainage adapter 51 is mounted | worn with the polyvinyl chloride pipe 31 for drainage embedded on the floor 30. As shown in FIG. Specifically, the outer peripheral surface of the fitting cylinder 512 of the outlet adapter 51 is in contact with the upper inner peripheral surface of the drainage polyvinyl chloride pipe 31, and is positioned and fixed. Further, the drainage adapter 51 is provided with a screwing groove 511 provided on the upper inner peripheral surface of the drainage adapter 51 and used for connection with a drainage pipe (not shown), and a flange 513 in contact with the flat surface of the floor 30. ing.

  FIG. 5B shows the state during the second use of the rotary tool according to the invention. Screw holes 513a to 513c are provided in the flange 513 of the outlet adapter 51 (in FIG. 3, the screw holes are covered with the screw holes 513a, and 513c is hidden and can not be seen in the figure). ). In a state where the driver 111 is in contact with the head of the round screw 55, the electric drill 200 is driven to transmit rotational torque to the rotary tool 10 to rotate the driver 111. It is fastened (not shown, but a round screw is also fastened to the screw holes 513 b and 513 c as well). Thus, the outlet adapter 51 is completely fastened and fixed to the floor 30.

  As described with reference to FIGS. 3A to 5B, in the drainage pipe installation work to the floor 30, the work of cutting the drainage polyvinyl chloride pipe 31 by the diamond cutter 123 and the work of fixing the drainage adapter 51 to the floor by the driver 111 And are required. In this case, according to the rotary tool according to the embodiment of the present invention, since both the diamond cutter 123 and the driver 111 are provided, replacement of the rotary tool as in the prior art is not necessary, and these operations can be performed efficiently. Can.

  In addition, a driver bit with a certain weight (in the rotary tool according to an embodiment of the present invention, the hexagonal nut 112 contributes to the weight) at the tip of the main part rotating tool 120 having the diamond cutter 123 By fixing the tip portion rotating tool 110, it is possible to perform the cutting with high accuracy and stability without the rotational shaft being shaken at the time of the cutting operation of the polyvinyl chloride pipe 31 for drainage by the diamond cutter 123, which is also a special effect of the present invention. It is.

In the embodiment of the present invention described above, a female screw portion (not shown) formed on the inner peripheral surface of the hexagonal nut 112 of the tip end portion rotating tool 110 and a screwing groove (convex) of the main portion rotating tool 120 The distal end portion rotating tool 110 and the main portion rotating tool 120 are engaged by screwing them with 124, but the engagement means is not limited thereto, and the tip portion tool 110 and the main portion when the rotating tool rotates As long as the engagement with the rotary tool 120 is not loosened, other engagement means such as fitting may be used.
Moreover, although the hexagonal nut 112 was employ | adopted as an axial part of the front-end | tip part rotation tool 110, this invention is not limited to this, Shapes other than a hexagonal nut (For example, the cross section in the case of a hexagonal nut is substantially hexagonal However, it is possible to adopt an axis portion of a substantially circular shape, a substantially triangular shape, another polygonal shape, a polygonal star shape, etc.).

  Further, in the embodiment of the present invention described above, the tip end portion rotating tool 110 is provided with the driver 111, but the tool provided on the tip end portion rotating tool 110 is not limited thereto. As long as it is a tool to be used for this, it may be another tool for operations such as fastening, drilling, cutting, cutting, grinding, polishing and the like.

  Furthermore, in the embodiment of the present invention described above, the diamond cutter 121 is provided in the main part rotating tool 120, but the tool provided in the main part rotating tool 120 is not limited thereto, and is orthogonal to the rotation axis It may be another tool for operations such as cutting, cutting, grinding, and polishing, as long as it is a tool used for work in the direction of movement.

  Furthermore, tools such as the diamond rib 111 and the do-cutter 121 provided on the tip rotating tool 110 and the main part rotating tool 120 may be provided integrally with the respective rotating tools, or each of the rotating tools. It may be exchangeably attached to the tool.

[combination]
The constituent features described in the specification (including the claims, the summary, and the drawings) can be combined in any combination except for combinations in which these features are mutually exclusive.

[Example of features and elements]
Each of the features and elements described in the specification (including claims, abstracts, and drawings) (including dimensions, materials, shapes, relative positions of components, etc.) are not specifically stated as follows: Alternative elements can be substituted that serve the same purpose, equivalent purpose, or similar purpose. Thus, unless explicitly denied, each of the disclosed elements is only an example of a generic series of identical or equivalent features.

10 Rotary Tool 110 Tip Rotary Tool 111 Driver (Tip Bit)
112 Hexagon nut (tip shaft)
120 main part rotary tool 121 diamond cutter (main part bit)
122 Main shaft (main shaft)
123 Mounting shaft 200 Rotary drive tool (electric drill or electric driver)

Claims (6)

A rotary tool that can be mounted on a chuck of a rotary drive tool,
The rotary tool comprises a main part rotary tool and a tip rotary tool;
The main portion rotating tool includes a first work portion used for a first operation, a mounting shaft provided on the proximal side of the first work portion mountable to the chuck portion, and the first work portion. And a first engaging portion provided on the tip side of the working portion of
The distal end portion rotating tool is provided with a second working portion used for a second operation, and a second working portion provided closer to the proximal side than the second working portion and engaged with the first engagement portion. A rotary tool characterized by including an engaging portion. The first operation is an operation different from the second operation.
The rotary tool according to claim 1. The first working unit is a cutting tool,
The second working portion is a screw fastener or a punch.
The rotary tool according to any one of claims 1 to 2. The first working unit is a diamond cutter,
The second working unit is a driver or a drill.
The rotary tool according to any one of claims 1 to 3. A tip rotating tool for a rotary tool mounted on a chuck of a rotary drive tool, comprising:
The rotating tool is
It comprises a main part rotating tool and the tip rotating tool,
The main portion rotating tool includes a first work portion used for a first operation, a mounting shaft provided on the proximal side of the first work portion mountable to the chuck portion, and the first work portion. And a first engaging portion provided on the tip side of the working portion of
The distal end portion rotating tool is provided with a second working portion used for a second operation, and a second working portion provided closer to the proximal side than the second working portion and engaged with the first engagement portion. And a tip portion rotating tool in the rotary tool characterized by including an engaging portion. The first working unit is a cutting tool,
The tip rotating tool according to claim 5, wherein the second working portion is a screw fastener or a piercing tool.