JP7090929B2 - Level for electric rotary tools - Google Patents

Description

The present invention relates to a spirit level for an electric rotary tool that can be attached to the top surface of the main body of an electric rotary tool such as an impact driver.

The present applicant proposes an impact driver level (hereinafter referred to as a conventional example) disclosed in Practical New Design Registration No. 3224757 as a level for electric rotary tools such as an impact driver.

In this conventional example, the attachment portion is formed in a C shape, and the main body has a configuration suitable for attachment to a cylindrical impact driver having no step or inclination.

Utility Model Registration No. 3224757

When the body shape of the electric rotary tool such as the impact driver as described above is a cylindrical shape without steps or inclined surfaces, the mounting position of the substrate provided with the bubble tube may be mounted at an arbitrary position on the electric rotary tool body, that is, Even if the position of the substrate is moved back and forth or rotated left and right, the substrate is attached to the main body of the electric rotary tool in a horizontal state, and accurate horizontality and verticality can be detected. The shape of the main body is not limited to the cylindrical shape as described above, but there are various shapes depending on the manufacturer, and the shape may differ depending on the same manufacturer and model number.

Further, many electric rotary tools are not flat on the top surface and side surface of the main body, and have steps, recesses, and inclined surfaces. Therefore, when a level for electric rotary tools as in the conventional example described above is attached, the substrate is not properly fixed and the substrate is tilted during work, so that accurate horizontality and verticality can be detected. It may disappear.

The present invention has been made in view of such a current situation, and can be easily and firmly fixed to an electric rotary tool having a shape in which the top surface and side surfaces of the main body are not flat and have steps, recesses, and inclined surfaces. Provided is a level for electric rotary tools capable of detecting accurate horizontality and verticality without causing problems such as tilting of the substrate due to misalignment during work.

The gist of the present invention will be described with reference to the accompanying drawings.

It is composed of a substrate 1 provided with a bubble tube 3 and an attachment portion 2 provided on the substrate 1 and urged to close, and the substrate 1 is attached to the top surface 21c of the main body 21 of the electric rotary tool 20 by the attachment portion 2. A spirit level for an electric rotary tool that can be attached, and the attachment portion 2 is a right attachment portion 2a that attaches to the right side surface 21a of the main body 21 and a left attachment portion 2b that attaches to the left side surface 21b. On the inner surfaces of the right side hugging portion 2a and the left side hugging part 2b, inward projecting portions 2a ", 2b" projecting inward are provided, respectively, and the inward projecting portions are provided. The 2a "and 2b" are configured to be fitted into the recesses 22 provided in the right side surface 21a and the left side side surface 21b of the main body 21, respectively, and the holding portion 2 is fitted from above the main body 21 to be fitted. The bottom of the substrate 1 is brought into contact with the top surface 21c of the main body 21, and the right side holding portion 2a and the left side holding portion 2b are attached to the right side side surface 21a and the left side side surface 21b of the main body 21, respectively. The inwardly projecting portions 2a ", 2b" provided on the right side attachment portion 2a and the left side attachment portion 2b are fitted into the recesses 22 of the right side surface 21a and the left side surface 21b to fit the substrate 1 Is horizontally attached and fixed on the top surface 21c of the main body 21 , and the right side holding portion 2a and the left side holding portion 2b are each vertically connected to the outer curved portion 2a. A level for electric rotary tools, which is composed of ‘ It is related to the vessel.

Further, in the electric level for electric rotary tools according to claim 1 , the right side holding portion 2a and the left side holding portion 2b are attached to the main body 21 at a position avoiding the exhaust portion 24 of the main body 21. It relates to a spirit level for electric rotary tools.

Further, in the spirit level for electric rotary tools according to any one of Items 1 and 2 , the outer curved portions 2a'and 2b'on the upper side abut on the upper side of the side surfaces 21a and 21b of the main body 21. Instead, the lower outer curved portions 2a'and 2b' are configured to abut along the lower portions of the side surfaces 21a and 21b of the main body 21 which are curved inward toward the lower side. It relates to a spirit level for electric rotary tools.

Further, in the spirit level for electric rotary tools according to any one of claims 1 to 3 , the inwardly projecting portions 2a ", 2b" are in the vertical direction of the right side surface 21a and the left side surface 21b of the main body 21. The present invention relates to a spirit level for an electric rotary tool, which is configured to fit into the recess 22 provided in each of the above.

Further, in the electric level for electric rotary tools according to any one of claims 1 to 4 , the attachment portion 2 includes a fitting portion 4 that fits to the substrate 1, and the fitting portion 4 is said to have the fitting portion 4. The present invention relates to a spirit level for an electric rotary tool, characterized in that the right side attachment portion 2a and the left side attachment portion 2b are provided.

Further, in the level for electric rotary tools according to any one of claims 1 to 5 , the substrate 1 is provided with a V-shaped concave groove 5 at the bottom, and the V-shaped edge portion of the V-shaped concave groove 5 or The present invention relates to a spirit level for an electric rotary tool, wherein the V-shaped surface portion is a reference contact portion 6 that abuts on the top surface 21c of the main body 21 of the electric rotary tool 20.

Further, in the spirit level for an electric rotary tool according to any one of claims 1 to 5 , the substrate 1 is provided with a V-shaped concave groove 5 at the bottom, and the left and right edges of the V-shaped concave groove 5 are described. The present invention relates to a spirit level for an electric rotary tool, which comprises a reference contact portion 6 that abuts on the top surface 21c of the main body 21 of the electric rotary tool 20.

Further, in the spirit level for an electric hand tool according to any one of claims 1 to 7 , the substrate 1 is provided with a bubble tube 3a for horizontality measurement and a bubble tube 3b for verticality measurement. It relates to a spirit level for electric rotary tools.

Further, it is composed of a substrate 1 provided with a bubble tube 3 and an attachment portion 2 provided on the substrate 1 and urged to be closed, and the substrate 1 is attached to the top surface of the main body 21 of the electric rotary tool 20 by the attachment portion 2. A level for electric rotary tools that can be attached to the 21c, and the attachment portion 2 is a right attachment portion 2a that attaches to the right side surface 21a of the main body 21 and a left attachment portion that attaches to the left side surface 21b. The right side hugging part 2a and the left side hugging part 2b are provided with inwardly projecting portions 2a "and 2b", respectively, having a portion 2b and projecting inward. The protrusions 2a "and 2b" are configured to fit into the recesses 22 provided in the right side surface 21a and the left side side surface 21b of the main body 21, respectively, and the holding portion 2 is fitted from above the main body 21. The bottom of the substrate 1 is brought into contact with the top surface 21c of the main body 21, and the right side holding portion 2a and the left side holding portion 2b are held by the right side side surface 21a and the left side side surface 21b of the main body 21, respectively. The inwardly projecting portions 2a ", 2b" provided on the right side holding portion 2a and the left side holding portion 2b are fitted into the recesses 22 of the right side surface 21a and the left side surface 21b. The substrate 1 is horizontally mounted and fixed on the top surface 21c of the main body 21, and further, the substrate 1 or the attachment portion 2 is engaged with a recess 23 provided in the top surface 21c of the main body 21. A locking portion 7 for stopping is vertically provided, and the inwardly projecting portions 2a ", 2b" are provided near the lower side of the right side holding portion 2a and the left side holding portion 2b, and the locking portion 7 is provided. Is locked in the recess 23 provided in the top surface 21c, and the inward protrusions 2a ", 2b" are fitted into the recesses 22 provided in the right side surface 21a and the left side surface 21b, respectively, and the substrate is inserted. 1 relates to a spirit level for an electric rotary tool, characterized in that 1 is horizontally attached and fixed to the top surface 21c of the main body 21.

Further, in the electric level for electric rotary tools according to claim 9 , the attachment portion 2 includes a fitting portion 4 that fits to the substrate 1, and the fitting portion 4 has the right side attachment portion 2a and the above. The present invention relates to a spirit level for an electric rotary tool, characterized in that a left side attachment portion 2b is provided.

Further, in the level for electric rotary tools according to any one of claims 9 and 10, the substrate 1 is provided with a V-shaped concave groove 5 at the bottom, and the V-shaped edge portion of the V-shaped concave groove 5 or The present invention relates to a spirit level for an electric rotary tool, wherein the V-shaped surface portion is a reference contact portion 6 that abuts on the top surface 21c of the main body 21 of the electric rotary tool 20.

Further, in the spirit level for electric rotary tools according to any one of claims 9 to 11 , the substrate 1 is provided with a V-shaped concave groove 5 at the bottom, and the left and right edges of the V-shaped concave groove 5 are described. The present invention relates to a spirit level for an electric rotary tool, which comprises a reference contact portion 6 that abuts on the top surface 21c of the main body 21 of the electric rotary tool 20.

Further, in the spirit level for an electric hand tool according to any one of claims 9 to 12 , the substrate 1 is provided with a bubble tube 3a for horizontality measurement and a bubble tube 3b for verticality measurement. It relates to a spirit level for electric rotary tools.

Further, the substrate 1 includes a substrate 1 provided with a bubble tube 3, a fitting portion 4 fitted to the substrate 1, and a holding portion 2 provided in the fitting portion 4 and urged to close. An electric rotary tool level that can be attached to the top surface 21c of the main body 21 of the electric rotary tool 20 by the attachment portion 2 via the fitting portion 4, and the attachment portion 2 is the main body 21. It has a right side holding portion 2a that attaches to the right side surface 21a and a left side attachment portion 2b that attaches to the left side side surface 21b. Inward projecting portions 2a ", 2b" projecting inward are provided, and the inward projecting portions 2a ", 2b" are recesses provided in the right side surface 21a and the left side surface 21b of the main body 21, respectively. It is configured to fit into 22, the fitting portion 4 is fitted to the base 1, the attachment portion 2 is fitted from above the main body 21, and the bottom of the base 1 is the top surface of the main body 21. The right side hugging part 2a and the left side hugging part 2b are brought into contact with the 21c, respectively, and hugging the right side side surface 21a and the left side side surface 21b of the main body 21, and the right side hugging part 2a and the left side hugging part 2a. The inwardly projecting portions 2a ", 2b" provided on the landing portion 2b are fitted into the recesses 22 of the right side surface 21a and the left side surface 21b, and the substrate 1 is horizontal on the top surface 21c of the main body 21. It relates to a spirit level for an electric rotary tool, which is characterized in that it is attached and fixed in a state.

Since the present invention is configured as described above, it can be easily and firmly attached and fixed to an electric rotary tool having a shape in which the top surface and side surfaces of the main body are not flat and have steps, recesses, and inclined surfaces. It is possible to suppress the occurrence of problems such as the substrate tilting or other deviations or falling off during work, maintain the proper posture of the substrate, and detect accurate horizontality and verticality.

It is a perspective view which shows Example 1. FIG. It is a top view which shows Example 1. FIG. It is an exploded perspective view which shows Example 1. FIG. It is explanatory perspective view which shows Example 1 and the electric rotary tool. It is a perspective view which shows the use state (mounting state) of Example 1. FIG. It is explanatory drawing which shows the main part of the use state (mounting state) of Example 1. FIG. It is explanatory drawing which shows the use state (mounting state) of another example of Example 1. FIG. It is an upper perspective view which shows Example 2. FIG. It is a lower perspective view which shows Example 2. FIG. It is a top view which shows Example 2. FIG. It is an exploded perspective view which shows Example 2. FIG. It is explanatory perspective view which shows Example 2 and the electric rotary tool. It is explanatory back view which shows the state before mounting of Example 2. FIG. It is a perspective view which shows the use state (mounting state) of Example 2. FIG. It is explanatory back view which shows the use state (mounting state) of Example 2. FIG. It is explanatory side view which shows the use state (mounting state) of Example 2. FIG. It is explanatory front view which shows the use state (mounting state) of Example 2. FIG. It is explanatory drawing which shows the use state (mounting state) of another example of Example 2. FIG.

An embodiment of the present invention which is considered to be suitable will be briefly described by showing the operation of the present invention based on the drawings.

The present invention is a level for an electric rotary tool that is attached to an electric rotary tool 20 having recesses 22 in each of the right side surface 21a and the left side side surface 21b of the main body 21 and detects the horizontality and verticality of the electric rotary tool 20. ..

That is, in the present invention, the attachment portion 2 is fitted from above the main body 21 of the electric rotary tool 20 so that the bottom of the substrate 1 is brought into contact with the top surface 21c of the main body 21 of the electric rotary tool 20 so that the attachment portion 2 is attached. The right side hugging part 2a and the left side hugging part 2b are attached to the right side side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20, respectively, and on the inner surface of the right side hugging part 2a and the left side hugging part 2b, respectively. By fitting each of the inwardly protruding portions 2a "and 2b" provided into the recesses 22 provided in the right side side surface 21a and the left side side surface 21b, respectively, the substrate 1 becomes the top surface 21c of the main body 21 of the electric rotary tool 20. It can be installed in a proper state (horizontal state).

Further, since the inwardly protruding portions 2a "and 2b" are fitted into the recesses 22 provided in the main body 21 of the electric rotary tool 20, the mounting and fixing state is firmly held, so that the side surface 21a of the main body 21 b and the top surface 21c are not flat, and can be easily and firmly attached and fixed to the electric rotary tool 20 having a shape having steps, recesses, and inclined surfaces, and the substrate 1 is inclined during work. The occurrence of problems such as slippage and falling off is prevented, the proper posture of the substrate 1 is maintained, and accurate horizontality and verticality can be detected, so that, for example, exactly horizontal holes and vertical holes can be detected. Can be easily opened.

Specific Example 1 of the present invention will be described with reference to FIGS. 1 to 7.

In this embodiment, in the electric level for an electric rotary tool of the present invention, as shown in FIG. 4, the top surface 21c of the main body 21 is formed on a substantially flat surface narrower than the full width of the main body 21, and the right side surface 21a and the left side are formed. This is a case where the recess 22 is provided in the middle of the side surface 21b in the vertical direction, and the electric rotary tool 20 provided with the exhaust portion 24 on the right side surface 21a and the left side surface 21b is configured to be fitted and mounted.

Specifically, as shown in FIGS. 1 to 3, the present embodiment includes a substrate 1 provided with a bubble tube 3 and an attachment portion 2 provided on the substrate 1 and urged to be closed, and the substrate 1 is provided. Is a level for electric rotary tools S that can be attached to the top surface 21c of the main body 21 of the electric rotary tool 20 by the attachment portion 2, and the attachment portion 2 is attached to the right side surface 21a of the main body 21 of the electric rotary tool 20. It has a right side hugging part 2a to be attached and a left side hugging part 2b to be attached to the left side surface 21b, and the right side hugging part 2a and the left side hugging part 2b are connected to each other on the upper and lower sides. It is composed of curved portions 2a'and 2b', and inward projecting portions 2a" and 2b "are provided on the inner surface of the boundary between the outward curved portions 2a' and 2b', respectively, and the inward projecting portions are provided. 2a "and 2b" are configured to be fitted into recesses 22 provided in the right side side surface 21a and the left side side surface 21b of the electric rotary tool 20 respectively, and the attachment portion 2 is fitted from above the main body 21 of the electric rotary tool 20. The bottom of the substrate 1 is fitted and brought into contact with the top surface 21c of the main body 21 of the electric rotary tool 20, and the right side attachment portion 2a and the left side attachment portion 2b are respectively on the right side surface of the main body 21 of the electric rotary tool 20. Each inwardly protruding portion 2a ", 2b" provided on the right side holding portion 2a and the left side holding portion 2b is attached to the 21a and the left side surface 21b, and the right side surface 21a and the left side surface of the main body 21 of the electric rotary tool 20 are provided. It is configured to be fitted into the recess 22 of 21b so that the substrate 1 is horizontally attached and fixed on the top surface 21c of the main body 21 of the electric rotary tool 20.

Hereinafter, each component of the present embodiment will be described in detail.

The substrate 1 is formed in a U-shape in a side view with the front side and the back side protruding upward, respectively, and bubbles for levelness measurement as a bubble tube 3 are formed between the front side upper protrusion 1b and the back side upper protrusion 1c. The pipe 3a is erected and fixed, and the bubble pipe 3b for measuring the verticality as the bubble pipe 3 is arranged and fixed in an exposed state on the front side of the front side upward protrusion.

Further, a reference contact portion 6 is provided on the bottom of the substrate 1, and the reference contact portion 6 abuts on the main body 21 of the electric rotary tool 20 so that the base 1 is in an appropriate state with respect to the main body 21. It is configured to be attached.

Specifically, a V-shaped concave groove 5 is provided on the bottom of the substrate 1, and in this embodiment, the V-shaped edge portion of the V-shaped concave groove 5 is provided on the top surface 21c of the main body 21 of the electric rotary tool 20. The reference contact portion 6 for contact is used.

Specifically, the reference contact portion 6 is provided on the front side and the back side of the substrate 1, respectively, and as shown in FIG. 6, the substrate 1 is arranged on the top surface 21c of the main body 21 of the electric rotary tool 20. At that time, a part of the top surface 21c of the main body 21 is fitted into the V-shaped concave groove 5, and the reference contact portion 6 (V-shaped edge portion of the V-shaped concave groove 5) is located at four points (front side) of the top surface 21c. The substrate 1 is configured to be in a uniform and stable contact state with the main body 21 of the electric rotary tool 20 by abutting at two places (two places on the back side).

The reference contact portion 6 is not limited to the above configuration. For example, as shown in FIG. 7, the left and right edge portions of the V-shaped concave groove 5 are designated as the reference contact portion 6, and the two left and right reference contact portions are in contact with each other. The portions 6 may be configured to come into contact with each other by line contact.

Further, on the bottom side of the substrate 1, a fitting receiving portion (not shown) for fitting the fitting portion 4 provided in the holding portion 2 described later is provided, and in this embodiment, the fitting portion is provided. The attachment portion 2 is continuously provided on the substrate 1 by the fitting of the fitting receiving portion 4 and the fitting receiving portion.

Further, the attachment portion 2 connected to the substrate 1 is provided with a fitting portion 4 to be fitted with the fitting receiving portion provided on the substrate 1 described above, and the fitting portion 4 is connected to the main body of the electric rotary tool 20. The right side holding portion 2a that is attached to the right side side surface 21a of 21 by closing force and the left side holding portion 2b that is attached to the left side side surface 21b are integrally provided.

Specifically, the attachment portion 2 is an outward curved portion 2a'in which the right attachment portion 2a made of an elastic body (synthetic resin plate, metal plate, etc.) and the left attachment portion 2b are connected one above the other. , 2b'is a symmetrical shape, and is formed in a shape exhibiting a front-view snowman shape as shown in FIG.

Further, the two outward bending portions 2a'forming the right side attachment portion 2a and the two outward bending portions 2b' forming the left side attachment portion 2b are formed in an arc shape, and the outer curved portion 2a on the upper side is further formed. ', 2b' is formed in a shape that is curved more than the lower outer curved portions 2a'and 2b'.

That is, as shown in FIG. 6, in the attachment portion 2 of the present embodiment, in the attachment state, the upper outward curved portions 2a'and 2b' are the upper portions of the side surfaces 21a and 21b of the main body 21 of the electric rotary tool 20. The lower outer curved portions 2a'and 2b' do not abut on the side and abut along the lower part of the side surfaces 21a and 21b that curve inward toward the lower side of the main body 21 of the electric rotary tool 20. The substrate 1 is attached to the top surface 21c of the main body 21 of the electric rotary tool 20 by the hugging action of hugging the lower outer curved portions 2a'and 2b'to the lower portions of the side surfaces 21a and 21b of the main body 21 of the electric rotary tool 20. It is configured to urge the side and prevent it from rising from the top surface 21c.

Further, the right side attachment portion 2a and the left side attachment portion 2b are located on the inner surface of the boundary between the outward curved portions 2a'and 2b', respectively, on the right side surface 21a and the left side surface 21b of the main body 21 of the electric rotary tool 20, respectively. Inward projecting portions 2a "and 2b" that fit into the provided recess 22 are provided.

Specifically, the inwardly projecting portions 2a ", 2b" are located near the central portion in the longitudinal direction of the right hugging portion 2a and the left hugging portion 2b, in other words, the right hugging portion 2a and the left hugging portion. The outer curved portions 2a'and 2b'on the upper side of each of the 2b and the outer curved portions 2a'and 2b' on the lower side are formed at the boundary portion connected to each other, and are formed on the right side of the main body 21 of the electric rotary tool 20. It is configured to fit into the recesses 22 provided in the middle of the side surface 21a and the left side surface 21b in the vertical direction.

Further, as shown in FIG. 6, the attachment portion 2 of the present embodiment has the tip portions of the right attachment portion 2a and the left attachment portion 2b (the tips of the lower outer curved portions 2a'and 2b'). A bent portion 8 that is bent outward is provided, and the bent portion 8 does not catch the holding portion 2 on the main body 21 of the electric rotary tool 20, and a smooth holding operation is performed. In addition, the right side attachment portion 2a and the left side attachment portion 2b can be easily expanded so that the attachment portion 2 can be detached from the main body 21 of the electric rotary tool 20.

Further, as shown in FIG. 5, in the holding portion 2 of the present embodiment, the right holding portion 2a and the left holding portion 2b are provided in the main body 21 of the electric rotary tool 20 in the holding state. It is configured to be attached to a position avoiding the exhaust portion 24 so as not to cover the 24.

Further, this embodiment is provided with a fall prevention cord attachment portion 10, and by attaching a fall prevention cord 30 having one end attached to the electric rotary tool 20 to the fall prevention cord attachment portion 10, the attachment portion 2 can be attached by any chance. It is configured to prevent falling even if it is detached.

The action and effect of this example configured as described above will be described below.

In this embodiment, the holding portion 2 is pushed from above the main body 21 of the electric rotary tool 20 to expand the holding portion 2, and the holding portion 2 is formed on the inner surfaces of the right holding portion 2a and the left holding portion 2b of the holding portion 2. The provided inward projecting portions 2a "and 2b" are provided at the bottom of the substrate 1 by pushing them into the recesses 22 of the right side surface 21a and the left side surface 21b of the main body 21 of the electric rotary tool 20, respectively. The reference contact portion 6 abuts on the top surface 21c of the main body 21 of the electric rotary tool 20, and the right side attachment portion 2a and the left side attachment portion 2b of the attachment portion 2 respectively contact the main body 21 of the electric rotary tool 20. It is attached to the right side side surface 21a and the left side side surface 21b, and is mounted and fixed at a proper mounting position in a proper mounting state (horizontal state).

Further, in this mounted state, the lower outer curved portions 2a'and 2b' of the right holding portion 2a and the left holding portion 2b are curved inward toward the lower side of the main body 21 of the electric rotary tool 20. Since it is attached to the pressure contact state along the lower side of the side surfaces 21a and 21b, the lower outer curved portions 2a'and 2b' are attached to the lower part of the side surfaces 21a and 21b of the main body 21 of the electric rotary tool 20. By the attachment action, the substrate 1 is urged to the top surface 21c side of the main body 21 of the electric rotary tool 20 to prevent the substrate 1 from rising from the top surface 21c, and further, inside each of the right side attachment portion 2a and the left side attachment portion 2b. By fitting the protruding portions 2a "and 2b" into the recesses 22 of the right side surface 21a and the left side surface 21b of the main body 21 of the electric rotary tool 20, the rotation deviation of the substrate 1 in the left-right direction is prevented. The substrate 1 is firmly attached and fixed to the top surface 21c of the main body 21 of the electric rotary tool 20.

As described above, in this embodiment, although it can be easily attached to the main body 21 of the electric rotary tool 20, it is firmly attached and fixed, so that the substrate 1 is tilted or otherwise displaced due to vibration during work. The occurrence of problems such as dropping or falling off is suppressed, the proper posture of the substrate 1 is maintained, and accurate horizontality and verticality can be detected, so that accurate horizontal holes and vertical holes can be easily drilled. This is a level device S for electric rotary tools that is excellent in practicality.

Specific Example 2 of the present invention will be described with reference to FIGS. 8 to 18.

In this embodiment, the spirit level for an electric rotary tool of the present invention is provided with a recess 22 on the upper side of the right side surface 21a and the left side side surface 21b of the main body 21 as shown in FIG. 12, and further, in the width direction on the top surface 21c. This is a case where the recess 23 is configured to be fitted to the electric rotary tool 20 extending toward the surface.

Specifically, as shown in FIGS. 8 to 11, the present embodiment includes a substrate 1 provided with a bubble tube 3 and an attachment portion 2 provided on the substrate 1 and urged to be closed, and the substrate 1 is provided. Is an electric rotary tool level S that can be attached to the top surface 21c of the main body 21 of the electric rotary tool 20 by the attachment portion 2, and is provided on the top surface 21c of the substrate 1 or the attachment portion 2. A locking portion 7 that engages with the recess 23 is vertically provided, and the attachment portion 2 is attached to the right side attachment portion 2a that is attached to the right side surface 21a of the main body 21 of the electric rotary tool 20 and the left side surface 21b. It has a left side attachment portion 2b to be worn, and inward protrusions 2a "and 2b" are provided on the inner surfaces of the right side attachment portion 2a and the left side attachment portion 2b, respectively, and the inward protrusions 2a are provided. ", 2b" is configured to be fitted into the recesses 22 provided in the right side side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20, respectively, and the attachment portion 2 is covered from above the main body 21 of the electric rotary tool 20. The bottom of the base 1 is fitted and brought into contact with the top surface 21c of the main body 21 of the electric rotary tool 20, and the right side attachment portion 2a and the left side attachment portion 2b are respectively the right side surface 21a of the main body 21 of the electric rotary tool 20. The right side surface 21a and the left side surface 21b of the main body 21 of the electric rotary tool 20 are attached to the left side surface 21b and the inwardly projecting portions 2a ", 2b" provided on the right side attachment portion 2a and the left side attachment portion 2b. The locking portion 7 is engaged with the recess 23 provided in the top surface 21c, and the substrate 1 is horizontally placed on the top surface 21c of the main body 21 of the electric rotary tool 20. It is configured to be attached and fixed in a state.

Hereinafter, each component of the present embodiment will be described in detail.

The substrate 1 is formed in a U-shape in a side view with the front side and the back side protruding upward, respectively, and bubbles for levelness measurement as a bubble tube 3 are formed between the front side upper protrusion 1b and the back side upper protrusion 1c. The pipe 3a is erected and fixed, and the bubble pipe 3b for measuring the verticality as the bubble pipe 3 is arranged and fixed in an exposed state on the front side of the front side upward protrusion.

Further, a reference contact portion 6 is provided on the bottom of the substrate 1, and the reference contact portion 6 abuts on the main body 21 of the electric rotary tool 20 so that the base 1 is in an appropriate state with respect to the main body 21. It is configured to be attached.

Specifically, a V-shaped concave groove 5 is provided on the bottom of the substrate 1, and in this embodiment, the left and right edges of the V-shaped concave groove 5 correspond to the top surface 21c of the main body 21 of the electric rotary tool 20. The reference contact portion 6 in contact is used.

That is, in this embodiment, when the substrate 1 is arranged on the top surface 21c of the main body 21 of the electric rotary tool 20, the two reference contact portions 6 on the left and right come into contact with each other by line contact, so that the substrate 1 is electrically driven. It is configured to have an even and stable contact state with the main body 21 of the rotary tool 20.

The reference contact portion 6 is not limited to the above configuration. For example, as shown in FIG. 18, the V-shaped edge portion of the V-shaped concave groove 5 is used as the reference contact portion 6, and the substrate 1 is used as the electric rotary tool 20. When arranged on the top surface 21c of the main body 21, a part of the top surface 21c of the main body 21 is fitted into the V-shaped concave groove 5, and the reference contact portion 6 (V-shaped edge of the V-shaped concave groove 5) is inserted. The portion) may be configured to abut on four locations (two locations on the front side and two locations on the back side) of the top surface 21c.

Further, on the bottom side of the substrate 1, a fitting receiving portion 9 for fitting the fitting portion 4 provided in the holding portion 2 described later is provided, and in this embodiment, the fitting portion 9 is fitted with the fitting portion 4. The attachment portion 2 is continuously provided on the substrate 1 by fitting with the receiving portion 9.

Further, the attachment portion 2 connected to the substrate 1 is provided with a fitting portion 4 to be fitted with the fitting receiving portion provided on the substrate 1 described above, and the fitting portion 4 is connected to the main body of the electric rotary tool 20. The right side holding portion 2a that is attached to the right side side surface 21a of 21 by closing force and the left side holding portion 2b that is attached to the left side side surface 21b are integrally provided.

Specifically, the attachment portion 2 has a symmetrical curved shape in which the right attachment portion 2a and the left attachment portion 2b, each of which is made of an elastic body (synthetic resin plate, metal plate, etc.), protrudes diagonally upward outward. It is formed in a shape that exhibits an M-shaped front view.

Further, on the inner surfaces of the right side attachment portion 2a and the left side attachment portion 2b, inward protrusions 2a that fit into the recesses 22 provided in the right side side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20, respectively, " , 2b "is provided.

Specifically, the inwardly projecting portions 2a "and 2b" are formed in a front view shape, and are provided on the back surface side of each of the right side attachment portion 2a and the left side attachment portion 2b, and have a top portion (corner). The portion) is configured to be fitted into a recess 22 provided on each of the right side side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20.

Specifically, the inwardly projecting portions 2a "and 2b" are fitted into recesses 22 whose tops (corners) are provided on the upper side of the right side surface 21a and the left side surface 21b of the main body 21 of the electric rotary tool 20, respectively, and are inside. The long side portion inclined inward of the direction protrusions 2a "and 2b" is configured to be along the inclined surface inclined inward on the upper side of the recess 22 of the electric rotary tool 20.

That is, as shown in FIG. 15, in the attachment portion 2 of the present embodiment, in the attachment state, the long side portion inclined inward of the inwardly protruding portions 2a ", 2b" has the concave portion 22 of the electric rotary tool 20. The base 1 is urged toward the top surface 21c side of the main body 21 of the electric rotary tool 20 by being installed along the inclined surface inclined inward on the upper side of the base 1, so as to prevent the base 1 from rising from the top surface 21c. It is configured.

Further, the holding portion 2 of the present embodiment is provided with a locking portion 7 for locking into the recess 23 provided in the top surface 21c of the main body 21 of the electric rotary tool 20.

Specifically, the locking portion 7 is vertically provided on the front side edge of the substrate on the upper surface side of the right holding portion 2a and the left holding portion 2b formed on the curved surface.

Further, as shown in FIGS. 15 and 17, in the holding portion 2 of the present embodiment, in the holding state, the tips of the right holding portion 2a and the left holding portion 2b are the main bodies 21 of the electric rotary tool 20. It is configured to be separated from the side surfaces 21a and b, and the right side attachment part 2a and the left side attachment part 2b can be easily expanded by hooking a finger on the separated tip portion to electrically drive the attachment part 2. It is configured so that it can be detached from the main body 21 of the rotary tool 20.

Further, this embodiment is provided with a fall prevention cord attachment portion 10, and by attaching a fall prevention cord 30 having one end attached to the electric rotary tool 20 to the fall prevention cord attachment portion 10, the attachment portion 2 can be attached by any chance. It is configured to prevent falling even if it is detached.

The action and effect of this example configured as described above will be described below.

In this embodiment, the holding portion 2 is pushed from above the main body 21 of the electric rotary tool 20 to expand the holding portion 2, and the holding portion 2 is formed on the inner surfaces of the right holding portion 2a and the left holding portion 2b of the holding portion 2. FIG. 15 shows the provided inner protrusions 2a "and 2b" by pushing them into the recesses 22 provided on the upper side of the right side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20, respectively. As shown, the locking portion 7 provided in the attachment portion 2 is locked (fitted) into the recess 23 provided in the top surface 21c of the main body 21 of the electric rotary tool 20 to engage the bottom of the electric rotary tool 20 base 1. The reference contact portion 6 provided in the above is in contact with the top surface 21c of the main body 21 of the electric rotary tool 20, and the right side attachment portion 2a and the left side attachment portion 2b of the attachment portion 2 are respectively of the electric rotation tool 20. It is attached to the right side side surface 21a and the left side side surface 21b of the main body 21 and is mounted and fixed in a proper mounting position in a proper mounting state (horizontal state).

Further, in this mounted state, as shown in FIG. 15, the present embodiment is inclined inward of the inwardly projecting portions 2a "and 2b" provided on the right side attachment portion 2a and the left side attachment portion 2b, respectively. Since the long side portion is pressed along the inclined surface inclined inward on the upper side of the concave portion 22 of the electric rotary tool 20, the base 1 is urged toward the top surface 21c side of the main body 21 of the electric rotary tool 20, and the base 1 is used. As shown in FIGS. 16 and 17, the locking portion 7 provided on the attachment portion 2 is provided on the top surface 21c of the main body 21 of the electric rotary tool 20. By locking (fitting) to the concave portion 23 formed in the shape of a horizontally long groove, the movement (positional deviation) of the substrate 1 in the front-rear direction is prevented, and further, the right side attachment portion 2a and the left side attachment portion 2b are prevented. The inwardly protruding portions 2a "and 2b" of the electric rotary tool 20 are fitted into the recesses 22 of the right side side surface 21a and the left side side surface 21b of the main body 21 of the electric rotary tool 20, respectively, thereby preventing the rotation deviation of the substrate 1 in the left-right direction. Therefore, the substrate 1 is firmly attached and fixed to the top surface 21c of the main body 21 of the electric rotary tool 20.

As described above, in this embodiment, although it can be easily attached to the main body 21 of the electric rotary tool 20, it is firmly attached and fixed, so that the substrate 1 is tilted or otherwise displaced due to vibration during work. The occurrence of problems such as dropping or falling off is suppressed, the proper posture of the substrate 1 is maintained, and accurate horizontality and verticality can be detected, so that accurate horizontal holes and vertical holes can be easily drilled. This is a level device S for electric rotary tools that is excellent in practicality.

The present invention is not limited to Examples 1 and 2, and the specific configuration of each constituent requirement can be appropriately designed.

1 Base 2 Hugging part 2a Right hugging part 2b Left hugging part 2a'Outer curved part 2b'Outer curved part 2a "Inward protruding part 2b" Inward protruding part 3 Bubble tube 3a Ball tube for levelness measurement 3b Bubble tube for measuring verticality 4 Fitting part 5 V-shaped concave groove 6 Reference contact part 7 Locking part
20 Electric rotary tool
21 Body
21a right side
21b left side
21c top surface
22 Recess
23 Recess
24 Exhaust section

Claims (14)

A spirit level for an electric rotary tool, which consists of a substrate provided with a bubble tube and an attachment portion provided on the substrate and urged to close, and the substrate can be attached to the top surface of the main body of the electric rotary tool by the attachment portion. The hugging portion has a right hugging portion to be attached to the right side surface of the main body and a left hugging portion to be attached to the left side surface, and the right hugging portion and the left side attachment portion. An inward projecting portion that protrudes inward is provided on the inner surface of the portion, and the inward projecting portion is configured to be fitted into a recess provided on the right side surface and the left side surface of the main body, respectively. Then, the attachment portion is fitted from above the main body to bring the bottom of the substrate into contact with the top surface of the main body, and the right attachment portion and the left attachment portion are respectively on the right side of the main body. The substrate is attached to the side surface and the left side surface, and each of the inwardly projecting portions provided on the right side attachment portion and the left side attachment portion is fitted into the recesses on the right side surface and the left side surface. It is configured to be mounted and fixed horizontally on the top surface of the main body, and further, the right side hugging part and the left side hugging part are each composed of an outwardly curved part connected vertically, and this outwardly curved part is formed. A level for electric rotary tools, characterized in that the inwardly projecting portions are provided on the inner surfaces of the boundaries between the portions . The electric level for an electric rotary tool according to claim 1 , wherein the right side attachment portion and the left side attachment portion are attached to the main body at a position avoiding the exhaust portion of the main body. Spirit level. In the level for an electric rotary tool according to any one of claims 1 and 2, the outer curved portion on the upper side does not abut on the upper side of the side surface of the main body, and the outer curved portion on the lower side does not abut on the upper side. A level for electric rotary tools, characterized in that it is configured to abut along the lower portion of the side surface of the main body that curves inward toward the bottom. In the spirit level for an electric rotary tool according to any one of claims 1 to 3 , the inwardly protruding portion fits into the recess provided in the middle of the right side surface and the left side surface of the main body in the vertical direction, respectively. A spirit level for electric rotary tools, characterized by being configured to be stowed. In the level for an electric rotary tool according to any one of claims 1 to 4 , the attachment portion includes a fitting portion that fits to the substrate, and the fitting portion includes the right side attachment portion and the above. A spirit level for electric rotary tools, which is characterized by having a left-side attachment part. In the spirit level for electric rotary tools according to any one of claims 1 to 5 , the substrate is provided with a V-shaped concave groove at the bottom, and the V-shaped edge portion or V-shaped surface portion of the V-shaped concave groove is used as described above. A spirit level for electric rotary tools, which is characterized by serving as a reference contact portion that abuts on the top surface of the main body of the electric rotary tool. In the spirit level for an electric rotary tool according to any one of claims 1 to 5 , the substrate is provided with a V-shaped concave groove at the bottom, and the left and right edges of the V-shaped concave groove are the main body of the electric rotary tool. A spirit level for electric rotary tools, which is characterized by being a reference contact portion that abuts on the top surface of the machine. The level for an electric hand tool according to any one of claims 1 to 7 , wherein the substrate is provided with a bubble tube for horizontality measurement and a bubble tube for verticality measurement. Level for rotary tools. A spirit level for an electric rotary tool, which consists of a substrate provided with a bubble tube and an attachment portion provided on the substrate and urged to close, and the substrate can be attached to the top surface of the main body of the electric rotary tool by the attachment portion. The attachment portion has a right attachment portion that attaches to the right side surface of the main body and a left attachment portion that attaches to the left side surface, and the right attachment portion and the left attachment portion. The inner surface of the portion is provided with an inwardly projecting portion that projects inward, and the inwardly projecting portion is configured to be fitted into a recess provided on the right side surface and the left side surface of the main body. The attachment portion is fitted from above the main body so that the bottom of the substrate is brought into contact with the top surface of the main body, and the right attachment portion and the left attachment portion are respectively on the right side of the main body. The substrate is attached to the side surface and the left side surface, and each of the inwardly projecting portions provided on the right side attachment portion and the left side attachment portion is fitted into the recesses on the right side surface and the left side surface. It is configured to be horizontally attached and fixed on the top surface of the main body, and further, a locking portion for locking to a recess provided on the top surface of the main body is vertically installed on the substrate or the attachment portion. The inward protrusion is provided near the lower side of the right side attachment portion and the left side attachment portion, the locking portion is locked to the recess provided on the top surface, and the inward protrusion portion is formed. A level for an electric rotary tool, characterized in that the substrate is horizontally attached and fixed to the top surface of the main body by being fitted into recesses provided on the right side surface and the left side surface respectively. In the electric rotary tool level according to claim 9 , the attachment portion includes a fitting portion that fits to the substrate, and the fitting portion is provided with the right side attachment portion and the left side attachment portion. A spirit level for electric rotary tools. In the spirit level for electric rotary tools according to any one of claims 9 and 10 , the substrate is provided with a V-shaped concave groove at the bottom, and the V-shaped edge portion or V-shaped surface portion of the V-shaped concave groove is used as described above. A spirit level for electric rotary tools, which is characterized by serving as a reference contact portion that abuts on the top surface of the main body of the electric rotary tool. In the spirit level for an electric rotary tool according to any one of claims 9 to 11 , the substrate is provided with a V-shaped concave groove at the bottom, and the left and right edges of the V-shaped concave groove are the main body of the electric rotary tool. A spirit level for electric rotary tools, which is characterized by being a reference contact portion that abuts on the top surface of the machine. The level for an electric hand tool according to any one of claims 9 to 12 , wherein the substrate is provided with a bubble tube for horizontality measurement and a bubble tube for verticality measurement. Level for rotary tools. It is composed of a substrate provided with a bubble tube, a fitting portion fitted to the substrate, and a holding portion provided in the fitting portion and urged to close, and the substrate is held by the fitting portion via the fitting portion. It is a level for electric rotary tools that can be attached to the top surface of the main body of the electric rotary tool by the attachment part, and the attachment part is a right attachment part to be attached to the right side surface of the main body and a right attachment part to be attached to the left side surface. It has a left side attachment portion to be worn, and an inward protrusion protruding inward is provided on the inner surface of the right side attachment portion and the left side attachment portion, respectively, and the inward protrusion portion is provided. The substrate is configured to be fitted into recesses provided on the right side surface and the left side surface of the main body, respectively, the fitting portion is fitted to the substrate, and the attachment portion is fitted from above the main body. The bottom of the body is brought into contact with the top surface of the main body, and the right side hugging part and the left side hugging part are attached to the right side surface and the left side side surface of the main body, respectively, and the right side hugging part and the left side are attached to each other. Each of the inwardly projecting portions provided on the attachment portion is fitted into the recesses on the right side surface and the left side surface, and the substrate is horizontally attached and fixed on the top surface of the main body. A characteristic level for electric rotary tools.

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