JPH0441705Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a level used when fixing wiring devices such as wall-mounted switches and outlets to boxes in indoor electrical work, and in particular, The present invention relates to a level for installing wiring equipment that can be used for installing multiple types of wiring equipment of different sizes.

(Prior Art) A level used for fixing wiring devices such as wall-embedded switches and outlets to boxes in indoor electrical work is described in Japanese Utility Model Application Publication No. 125453/1983.

This spirit level has a dish-shaped plate that is removably attached to the mounting frame of the wiring device when fixing wiring devices such as switches and outlets to the box cover, and a bubble-shaped leveling device is attached to this plate. It was established. In other words, in this spirit level, a pair of protrusions protruding from the back surface of the dish-like plate are used as attachment means, and on the other hand, leveling is confirmed using an air bubble in an annular glass tube fixed to the surface of the dish-like plate. It is something to do.

(Problem to be solved by the invention) However, since the level attachment means and the horizontal confirmation means are provided separately on the front and back surfaces of the board, the wiring equipment that can be used with this level attached is not equipped with the level. There was an inconvenience that the wiring device was limited to one type that matched the size between the protrusions protruding from the back side of the device. That is, the wall-embedded wiring devices currently used in construction work are not limited to just one type. Therefore, when using a conventional spirit level for various wiring devices of different sizes,
It is necessary to prepare several types of levels each adapted to various wiring devices, which causes problems in terms of portability, workability, manufacturing cost, etc.

In addition, the conventional spirit level has a problem in protecting the bubble type leveling device. In other words, the conventional protection means is to place a bubble-type leveling tool made of a ring-shaped glass tube along the inside of the raised peripheral edge of the dish-shaped plate to prevent air bubbles. Protects mold leveling equipment. However, with such protection means, although it is possible to protect the outer surface of the annular bubble-shaped leveling device with the raised peripheral edge, the bubble-type leveling device itself is It is largely exposed on the surface. Moreover, since the surface of this dish-shaped plate is also the place where screws for fixing wiring devices are inserted with a screwdriver, the exposed bubble-type leveling tool is easily damaged when installing wiring devices, and it is difficult to handle the level. required careful attention.

Therefore, this idea was devised to solve the above-mentioned inconveniences.It can be used for multiple types of wiring devices, and it is durable, portable, easy to work with, and easy to manufacture. The purpose of the present invention is to provide a low-cost spirit level for installing wiring equipment.

(Means for solving the problem) In order to achieve the above-mentioned purpose, this invention is based on the level tool 2.
A pair of standard fixing protrusions 3 are provided on one side of a predetermined base 1 that is fitted with a female screw Q1 for attaching a decorative plate drilled in a mounting frame Q for fixing the wiring device P. In a spirit level with an opening 4 for rotating the frame Q fixing screw Q2, large fixing protrusions 5 arranged at a pitch larger than the pitch between the standard fixing protrusions 3 are protruded from the other side of the base 1, and the base The first means for solving the problem is to provide a leveling tool 2 on the upper edge of the device.

Further, the standard fixing protrusion 3 of the second means is disposed at the pitch between the female screws Q1 for attaching the decorative plate drilled in the attachment frame Q10 of the standard type continuous use device P10, and on the other hand, the large fixing protrusion 5 is Large square continuous use device P2
It is arranged at the pitch between the female screws Q1 for attaching the decorative plate drilled in the attaching frame Q20 of No. 0.

In the third means, the base plate 1 is provided with a standard square hole 6 on one board surface provided with the standard fixing protrusion 3, into which the wiring device P attached to the mounting frame Q10 of the standard type continuous device P10 is fitted, A means for solving the problem is to provide a large square hole 7 into which a wiring device P attached to a mounting frame Q20 of a large square type multi-use device P20 is fitted on the other panel surface provided with a large fixing projection 5.

(Function) That is, according to the first means of this invention, the standard fixing protrusion 3 and the large fixing protrusion 5 are compatible with multiple types of mounting frames Q having different pitches between the female screws Q1 for attaching the decorative plate. This is to fix the base 1.

In addition, the leveling tool 2 fixed to the upper end of the base 1 is
This is a position away from the position where the opening 4 for rotating the mounting frame Q fixing screw Q2 on the board 1 is opened.

According to the second means of this invention, the standard fixing protrusion 3 protruding from one side of the base 1 is fitted into the female thread Q1 of the mounting frame Q10 for the standard type continuous appliance P10,
The large fixing protrusion 5 protruding from the other side of the base 1 is connected to the female thread Q1 of the mounting frame Q20 for the large rectangular joint device P20.
Fits in.

Furthermore, according to the third means, the standard fixing protrusion 3
Attach the base 1 to the mounting frame Q for the standard type continuous appliance P10.
10, the protruding part of the standard type continuous use appliance P10 fixed to this mounting frame Q10 fits into the standard square hole 6 of the base 1, and the base 1 and the standard type continuous use appliance P10 are integrated.

In addition, when the base 1 is attached to the mounting frame Q20 for the large rectangular continuous use device P20 using the large fixing protrusion 5, the protruding portion of the large square continuous use device P20 fixed to this mounting frame Q20 is inserted into the large square hole of the base 1. 7, the base 1 and the large rectangular continuous use device P20 are integrated.

(Example) Hereinafter, an example of this invention will be described in detail with reference to the drawings.

Reference numeral 1 shown in the figure is a base, and this base 1
is formed of a plate-like or frame-like board that is mounted and fixed to a predetermined wiring device P mounting frame Q. In the illustrated example, a plate-shaped base 1 is formed, and reinforcing ribs 1A are provided on the peripheral edge of this base 1 and the peripheral edge of a square hole described later to strengthen the entire base 1 (see FIG. 3 or 5). (see figure).

Then, a pair of fixing protrusions are provided on the front and back surfaces of this base 1 to fit into the female screws Q1 for attaching the decorative plate drilled in the attachment frame Q for fixing the wiring device P, and by making the spacing different, the standard The fixing protrusions 3 and large fixing protrusions 5 arranged at a pitch larger than the pitch between the standard fixing protrusions 3 are provided.

For example, in the case of frequently used multiple-use wiring devices, two types of sized wiring devices are used: a square-type continuous-use device and a large square-type multi-use device 2 specified by the JIS standard. Therefore, standard fixing protrusion 3
is arranged at the pitch between the female screws Q1 for attaching the decorative plate drilled in the attachment frame Q10 of the standard type continuous device P10 (see Fig. 2 or Fig. 3), and on the other hand,
By arranging the large fixing protrusion 5 at the pitch between the female screws Q1 for attaching the decorative plate drilled in the attachment frame Q20 of the large rectangular connection device P20, it can be used for the most wiring devices. It is something.

In addition, at this time, the mounting frame Q1 of the standard type continuous use device P10 is attached to one of the board surfaces provided with the standard fixing protrusion 3.
By providing a standard square hole 6 into which the wiring device P attached to the base 1 and the standard type continuous device P are inserted,
10, it becomes possible to perform accurate measurements using the horizontal tool 2 (see FIG. 2 or 3).

Similarly, on the other panel surface provided with the large fixing protrusion 5, a large square hole 7 into which the wiring device P attached to the mounting frame Q20 for the large square multi-use device P20 is inserted.
By providing the base 1 and the large square type continuous use equipment P
20, it becomes possible to perform accurate measurements using the horizontal tool 2 (see FIG. 4 or FIG. 5). The standard square hole 6 in the illustrated example is provided with a frame-like reinforcing rib 1A protruding from the board surface of the base 1.
The large rectangular hole 7 is formed so as to surround the peripheral edge of the protruding part 10 (see Fig. 3), and the large square hole 7 is formed so as to surround the peripheral edge of the large rectangular continuous use device P20 by a similar reinforcing rib 1A. Yes (see Figure 5).

In addition, although not shown, there is a thick plate-shaped base 1 with a standard square hole 6 that fits into the protruding part of the standard type continuous device P10 fixed to the mounting frame Q10, and a mounting frame 20. It is also possible to form each square hole by pasting together two thick plate-shaped bases 1 with large square holes 7 that fit into the protruding portions of the large square continuous use device P20 fixed to the base plate.

The leveling tool 2 is provided on the upper edge of the base 1. At this time, in the illustrated example, a transparent cover 2A is provided to protect the leveling tool 2 (see FIG. 2 or 4).

(Effects of the invention) This invention achieves its original purpose by being configured as described above.

That is, according to claim 1, the standard fixing protrusion 3 and the large fixing protrusion 5 are capable of fixing the base 1 in correspondence with a plurality of types of attachment frames Q having different pitches between the female screws Q1 for attaching the decorative plate. This makes it possible to use a single spirit level when installing multiple types of wiring devices. Therefore, as when using a conventional spirit level,
The inconvenience of having to prepare several types of levels adapted to various wiring devices of different sizes is eliminated, the device is superior in portability and workability, and manufacturing costs can be reduced.

Moreover, since the leveling tool 2 is provided on the upper edge of the base 1, only one leveling tool 2 is required even when the front and back surfaces of the base 1 are selectively used. In addition, the leveling tool 2 is attached to the mounting frame Q fixing screw Q2 on the board 1 board surface.
The opening 4 for rotation is located at a distance from the opened position, eliminating the possibility of damaging the leveling tool 2 with the tip of a screwdriver or the like when installing the base 1.

Further, according to claim 2, the standard fixing protrusion 3 protruding from one side of the base 1 is fitted into the female screw Q1 of the mounting frame Q for the standard type continuous appliance P10, and the large fixing protrusion 3 protruding from the other side of the base 1 The protrusion 5 is a large rectangular continuous use device P
Since it fits into the female screw Q1 of the Q20 mounting frame for 20, this devised spirit level can be used with two types of wiring devices, the frequently used square connection devices and large square connection devices, which are specified in the JIS standard. It becomes applicable and can be used for the most wiring devices.

Furthermore, according to claim 3, when the standard fixing protrusion 3 is used, the protruding portion of the standard type continuous use device P10 fits into the standard square hole 6 of the base 1, so that the base 1 and the standard type continuous use device P10 are integrated. In addition, when the large fixing protrusion 5 is used, the protruding portion of the large rectangular multi-use device P20 fits into the large square hole 7 of the base 1, and the base 1 and the large rectangular multi-use device P20 are integrated. In this case, extremely accurate measurement using the level tool 2 is also possible.

Thus, according to this invention, one piece can be used for multiple types of wiring devices, and it is also durable, portable, and workable, and the manufacturing cost is low. This provides various effects that are useful in practice.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention; Fig. 1 is an exploded perspective view showing the state of use, Fig. 2 is a vertical sectional view showing the standard fixing protrusion in use, and Fig. 3 shows the standard fixing protrusion in use. 4 is a longitudinal sectional view showing a state in which a large fixing protrusion is used, and FIG. 5 is a front view showing a large fixing protrusion. P...Wiring equipment, P10...Standard type continuous use equipment,
P20...Large square continuous use appliance, Q...Mounting frame, Q
1...Female thread, Q2...Fixing screw, Q10...Mounting frame, Q20...Mounting frame, R...Box lid, S...Driver, 1...Base, 1A...Reinforcement rib, 2... Leveling tool, 2A...Cover, 3...
Standard fixing protrusion, 4...Opening, 5...Large fixing protrusion, 6...Standard square hole, 7...Large square hole.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A pair of standard fixing protrusions that fit into female screws for attaching a decorative plate drilled in a mounting frame for fixing wiring devices are provided on one side of a predetermined base provided with a leveling device, On this base, in a spirit level with an opening for rotating the mounting frame fixing screw, a large fixing protrusion with a pitch larger than that of the standard fixing protrusion is provided protruding from the other side of the base, and the upper end of the base is A level for installing wiring equipment, characterized by having a leveling tool on the edge. 2. The standard fixing protrusion is installed in the pitch between the female screws for attaching the decorative plate drilled in the mounting frame of the standard type continuous use device, while the large fixing protrusion is arranged in the pitch between the female screws for attaching the decorative plate drilled in the mounting frame of the large rectangular type continuous use device. installed in the pitch between the female screws for attaching the decorative plate.
The level for installing wiring equipment according to claim 1. 3 The base has a standard square hole on one board surface with standard fixing protrusions into which the wiring equipment attached to the mounting frame of the standard type continuous device is fitted, and a large square hole on the other board surface with large fixing protrusions. Claim 1 characterized in that a large square hole is provided into which a wiring device attached to the mounting frame of the continuous use device is inserted.
Or a level for installing wiring equipment as described in 2.