JP2003240160A - Mount - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve stability of installation of a mount so as to accurately marking the position of a mounting hole on a mounting surface on-site, though the mount can use a conventional fixture for mounting having the same size as that of a fixture used for mounting a conventional mount. <P>SOLUTION: The back surface of a front plate part 10 is provided with a projecting part 20 of which tip surface faces to the mounting surface. The projecting part 20 has the mounting hole 21 for passing a shaft part 31 of the fixture 30 for mounting and a head storing hole 23 for storing the head 32. The mounting hole 21 opens in the tip surface 22 of the projecting part 20, the tip of a writing instrument S is inserted into the mounting hole 21, and the tip of the writing instrument S inserted into the mounting hole 21 has a diameter and length allowing drawing of a border line of the mounting hole 21 on the mounting surface P. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting base used for installing equipment (for example, electricity meter), members (for example, pipe, cable) and the like.

[0002]

2. Description of the Related Art For example, an electric power meter mounting base (hereinafter simply referred to as "mounting base") is provided with a mounting hole through which a shaft portion of a mounting stopper is inserted, and a front plate portion of the mounting plate. Surrounded by walls. Then, when the mounting base is installed on the mounting surface such as the wall or the end surface of the wall portion by using the above-described mounting stopper, a space is formed in the back portion of the front plate portion and the cable can be routed in the space. You can do it. Also,
When installing the mounting base on the mounting surface, mark the position of the mounting hole on the mounting surface of the mounting surface prior to the mounting work using the above-mentioned mounting stopper, and make a hole at the marked position. The work of opening the hole and driving the shaft portion of the attachment stopper inserted into the attachment hole of the attachment base into the hole is performed.

When a conventional mounting base is installed, if a mark indicating the position of the mounting hole is provided on the mounting surface, the mutual dimensions of the plurality of mounting holes provided on the front plate portion of the mounting base should be adjusted. The procedure was to measure with a measure and mark the mounting surface based on the dimensions.

[0004]

However, the work of measuring the dimensions of the plurality of mounting holes provided in the front plate portion is troublesome and cumbersome, and even if the dimensions are measured, the dimensions are wrong. Sometimes. Moreover, when marking the mounting surface based on the measured dimensions, the position of the marking may be displaced with respect to the installation location of the mounting base. In this way, measuring the actual dimensions,
There was a problem in terms of accuracy and workability in the work of marking the mounting surface based on the measured dimensions.

In order to solve this problem, the present inventor has
It is convenient if the writing tool is inserted into the mounting hole while the mounting base is pressed against the installation location on the mounting surface, and the writing tool can be used to draw the contour of the mounting hole or mark the position of the mounting hole. I thought it was.

However, in the conventional mounting base, when the mounting base is pressed against the installation location of the mounting surface, the boss provided in the mounting hole is located away from the mounting surface, and the diameter of the mounting hole is for mounting. It is sized to fit the shaft of the stopper and is not sized so that a grip of a general-purpose writing instrument such as a pencil or ballpoint pen can be inserted. Since the tip of the writing instrument does not reach the attachment surface even when it is inserted, it is impossible to perform the work of marking the position of the attachment hole on the attachment surface with the writing instrument.

The present invention has been made under the above circumstances, and in the state where the mounting base is pressed against the installation location of the mounting surface, the contour or position of the mounting hole is marked on the mounting surface with a writing instrument. It is an object of the present invention to provide a mounting base that enables easy and accurate work.

Further, according to the present invention, the mounting hole is provided in the projecting portion provided on the back surface of the front plate portion of the mounting base so that the projecting portion and the wall portion provided around the front plate portion cooperate with each other. An object of the present invention is to provide a mounting base that can enhance the installation stability of the mounting base by the action.

[0009]

[Means for Solving the Problems] Claim 1 in the present invention
In the invention, a mounting hole having a shaft portion and a head portion having a diameter larger than that of the shaft portion, through which the shaft portion is inserted, and a head housing hole for housing the head portion of the mounting stopper. The mounting hole is provided with the above-mentioned mounting hole, and the end of the writing instrument is inserted into the mounting hole. It has a diameter and an axial length that can be drawn or marked for the position of its mounting hole. According to a second aspect of the present invention, the front surface of the front plate is provided with a protrusion whose front end surface is opposed to the mounting surface on which the mounting base is installed. A mounting base provided with a mounting hole through which the shaft portion of a mounting stopper having a large-diameter head is inserted, and a head housing hole for housing the head portion of the mounting stopper, wherein the protrusion is provided. The attachment hole of the part is the one where the tip of the writing instrument is inserted and the tip of the writing instrument put in the attachment hole is drawn on the above-mentioned attachment surface in the shape of the contour line of the attachment hole or the position of the attachment hole is marked. It is formed in a diameter and an axial length that can be formed.

In the present invention, by inserting the sharp tip of the writing instrument into the mounting hole, the mark of the contour of the opening of the mounting hole or the position of the mounting hole (for example, the point mark at the center position of the mounting hole) can be directly and accurately. Can be attached to the mounting surface.

In the present invention, a writing instrument is a writing instrument that an operator usually has, and it is a pencil or a ballpoint pen that can be easily obtained at a stationery store, and a marking instrument. May be. In this way, the diameter and the axial length of the mounting hole are such that the tip of the writing instrument is inserted and the tip of the writing instrument inserted in the mounting hole is used to mark the contour of the mounting hole or the position of the mounting hole on the mounting surface. If it is determined as much as possible, put the tip of the writing instrument into the mounting hole and follow the contour of the opening of the mounting hole or rotate the writing instrument to mark the contour or position accurately on the mounting surface. be able to.

It is desirable that the head receiving hole has a diameter that allows the grip portion of the writing instrument to be inserted.
By doing so, the grip portion of the writing instrument can be inserted into the head accommodation hole and the contour or position mark of the mounting hole can be accurately marked on the mounting surface as described above.

Further, when the present invention is adopted, the same size as that used for attaching the conventional mounting base can be used without being changed. In other words, the diameter of the mounting hole and the diameter of the head accommodation hole can be made the same as those of the conventional mounting base.

In the present invention, it is desirable that a wall portion is provided around the front plate portion, and that the end surface of the wall portion and the tip surface of the protruding portion are at the same level. When the is installed on the mounting surface with the mounting stopper, both the tip surface of the protrusion and the end surface of the wall abut and overlap with the mounting surface, so only the end surface of the wall surface Installation stability is improved compared to the conventional mounting base that abuts and overlaps.

[0015]

1 is a front view of a mounting base A according to an embodiment of the present invention, FIG. 2 is a rear view thereof, FIG. 3 is an enlarged perspective view of a main part of the mounting base A, and FIG. 4 is a mounting base. FIG. 5 is an enlarged cross-sectional view of the other part of A, FIG. 5 is a schematic perspective view showing a part of the mounting base A when the opening / closing lid 40 is fully opened, and FIG. 6 is an enlarged schematic view of a part of the mounting base in use. FIG. 7 is a front view, and FIG. 7 is a rear view illustrating the cable routing state in the space 200 at the back of the front plate 10.

As shown in FIGS. 1 and 2, the mounting base A is an integrally molded body of synthetic resin, and is formed in a vertically long rectangular flat box shape with an open rear surface. And the front plate 1
The protrusions 20 are bosses each having a mounting hole 21 at four corners on the back side of 0. As shown in FIG. 3, the protruding portion 20 is formed at the same height as the height of the wall portion 12 provided around the front plate portion 10, and the tip surface 22 thereof is the end surface 1 of the wall portion 12.
It is at the same level as 3. The projecting portion 20 has a small-diameter mounting hole 21 through which the shaft portion 31 of the mounting stopper 30 is inserted, and the head 3 of the mounting stopper 30 having a larger diameter than the mounting hole 21.
2 is accommodated, the mounting hole 21 is opened at the tip end surface 22 of the projecting portion 20, and the inner end surface of the annular portion 24 forming the mounting hole 22 is stepped. It is formed as an attachment surface 25. Also, the mounting hole 21 is
The tip of a general-purpose writing instrument S is inserted and the tip of the writing instrument S inserted in the attachment hole 21 has a diameter and an axial length that can be drawn on the attachment surface P in the shape of the contour line of the opening 21a of the attachment hole 21. is doing. Specifically, the diameter of the mounting hole 21 is 5 to 7
mm (for example, 6 mm), and its axial length is 5 to 7 mm (for example, 6 mm). Further, the general-purpose writing tools include writing tools such as pencils and ballpoint pens that are usually carried by workers, for example, writing tools having a grip portion with a diameter of about 5 to 7 mm.

Since the mounting base A is provided with the above-mentioned protrusions 20 at its four corners, when mounting the mounting base A on a wall surface or a pillar of a house, as shown in FIG. The operator presses the mounting surface P such as a wall surface or a pillar with one hand to project the protrusion 2
The tip surface 22 of No. 0 is overlaid on the mounting surface 2, and in that state, a general-purpose writing tool S such as a pencil, a ballpoint pen, and a scribble carried by an operator is inserted into the protrusion 20 from the front side, and only the thin tip is attached. Put into the hole 21 and the opening 2 of the mounting hole 21
By performing the work of imitating or marking the contour of 1a, it is possible to mark the accurate contour line or position of the mounting hole 21 on the mounting surface P. Therefore, the mounting location of the mounting base A can be accurately and surely determined at the site.

Such an action has such a diameter that the head-accommodating hole 23 of the protruding portion 20 can accommodate the head 32 of the attachment stopper 30 and the grip portion of the writing instrument S which have been conventionally used. On the other hand, although the mounting hole 21 can insert the shaft portion 31 of the mounting stopper 30 and the sharp tip of the writing instrument S which have been used conventionally, the grip portion of the writing instrument S can be inserted. Even if you have a diameter or shaft length that cannot be
It is particularly useful in that the pointed tip of the writing instrument S can be inserted into the mounting hole 21 to mark the position of the mounting hole 21 on the mounting surface P or to accurately draw the shape of the mounting hole 21. Is.

At the lower portion of the front plate portion 10, there is formed a notch portion 14 which is recessed in a concave shape starting from the central portion of the lower edge thereof. The notch portion 14 in the illustrated example includes the opening portion of the opening 2 of the conventional mounting base A described in FIG. 8, and extends to the lower edge of the front plate portion 10 with the same width as the opening portion of the opening 2. It is formed by omitting the front plate portion 10 in the region of. Therefore, the cutout portion 14 includes the opening portion of the opening 2 and is larger in area than the opening portion of the opening 2 in the front plate portion 1.
It is formed by omitting 0. The wall portion 12 is also cut away at the cutout portion of the lower edge of the front plate portion 10.

An opening / closing lid 40 is attached to the notch portion 14. As shown in FIG. 1, FIG. 2 or FIG.
A pair of left and right horizontal shafts (an example of a rotation shaft) 41 provided at the lower end of the front plate portion 10 also serve as a reinforcing member.
5 are respectively rotatably inserted and supported in bearing holes (not shown) of a pair of left and right L-shaped plate pieces 15 provided on the back surface of the lower end portion of each of the L-shaped plate pieces 15 and fully opened as shown in FIG. It can be opened and closed between the position and the fully closed position as shown in FIGS. Further, a closing plate portion 42 is provided at the lower end of the opening / closing lid 40.
When the opening / closing lid 40 is closed, the closing plate portions 42 line up the wall portions 12 on both sides thereof to close the lower surface of the mounting base A. Further, the lower end edge 43 of the opening / closing lid 40 is aligned with the lower end edges 16 of the front plate portions 10 on both sides thereof when the opening / closing lid 40 is closed.

Further, the opening / closing lid 40 has the horizontal shaft 41.
The main portion 45 having the above and the removal cover portion 46 that is joined to the main portion 45 at a plurality of locations (four locations in the illustrated example) via the foldable and rupturable temporary coupling ribs 47 are provided. Lid 4
When 0 is closed, the removal cover portion 46 is located at a portion corresponding to the opening portion of the opening 2 described in FIG. The main portion 45 is provided with a locking piece portion 48 that engages with the front plate portion 10 and prevents the opening / closing lid 40 from being opened accidentally when the opening / closing lid 40 is closed. .

As shown in FIG. 1 or 2, ribs 51, 52, 53 are provided at a plurality of positions on the back surface of the front plate portion 10,
Long ribs 5 located at the lower center of the width direction
1 extends downward at the central portion in the width direction of the opening 4 (see FIG. 5) formed in the cutout portion 14, that is, by opening the opening / closing lid 40, and the rib 51 opens. The portion extending to the mouth 4 is formed as a partition piece 54 that divides the opening 4 into left and right. Here, as shown in FIG. 5, the opening 4 which is partitioned by the partition piece 54.
The left side portion L of the input side connector 1 provided in the cable connection terminal 110 of the electric energy meter 100 described later.
20 and the right side portion R corresponds to the output side connector 130 provided in the terminal 110. Also,
The front end surface of the partition piece 54 is formed as a stopper surface 55 that regulates the closed position when the opening / closing lid 40 is closed.

Further, as shown in FIG. 1 or 2, the front plate portion 1
On the back surface of 0, a pair of left and right routing restricting pieces 61, 61, which are vertically long ribs and are located on both sides of the rib 51, are provided. It is located in the vicinity of the upper end of the cutout portion 14, and the lower ends of the routing restricting pieces 61, 61 are located in the central portion of the upper half portion of the front plate portion 10.

The front plate portion 10 is provided with a tapping groove portion 19 for mounting the electric energy meter 100.

A thin portion 17 is provided at an appropriate position on the wall portion 12 of the mounting base A.
Are formed. As shown in FIG. 4, these thin portions 1
7 is formed by recessing the inner surface side of the wall portion 12 so that the thin portion 17 cannot be seen from the outside.
These thin portions 17 can be opened by forming the thin portions 17 by grasping them with a hand or pliers and breaking them, and the openings thus formed can be used for the cable lead-in / out port 18 ( (See FIG. 7). In addition, the formation location of the thin portion 17 capable of forming the cable lead-in / out port is not limited to the illustrated example.

The mounting base A having the above-described structure is mounted on the mounting surface P by the method already described with reference to FIG. 3, and the watt-hour meter shown in phantom in FIG. 1 with respect to the mounting base A. 10
0 is attached to the terminal 1 of the electricity meter 100
10 faces the notch 14 closed by the opening / closing lid 40.

When the mounting base A is installed on the mounting surface P, a space 200 (see FIG. 3) is formed in the back portion of the front plate portion 10 thereof. Then, as shown by phantom lines in FIG.
The cable C routed in the space 200 is drawn out through the opening 4 formed in the cutout portion 14 by fully opening. In this way, the cable C pulled out from the opening 4 is connected to the input connector 12 of the terminal 100.
0 or the output side connector 130 is inserted from below and connected.

In such a cable routing connection work, since the opening 4 is much wider than the opening 2 described in FIG. 8, the work of pulling out the cable C from the opening 4 or the pulled-out cable C into a predetermined shape. The bending work can be performed easily, easily and surely, the troublesomeness of the work is eliminated, and the time and labor are also saved or reduced.

Also, in the cable routing and connection work,
As shown in FIG. 5, a left side portion L of the opening 4 is formed by a partition piece 54 corresponding to the input side connector 120 of the terminal 110.
And the right side portion R corresponding to the output side connector 130 are divided into two, so that the one to be connected to the input side connector 120 among the plurality of cables C ... Pulled out from the opening 4 is provided in the left side portion L. By arranging what should be connected to the output side connector 130 in the right side portion R, even if those cables C are connected to the terminal 110 at different time intervals or the operator is different, it is arranged in the left side portion L. It is possible to connect the provided cable C to the input-side connector 120 and the cable C provided in the right side portion R to the output-side connector 130 without fail, respectively.

Further, when the cable C is routed in the space 200 at the back of the front plate 10, as shown in FIG.
Between the left and right routing restriction pieces 61, 61, and the routing piece 61
If the cable C is pulled out or pushed when pulling out the cable C from the opening 4 or bending the pulled out cable, it is possible to arrange the ribs 51 and the rib 51 in an orderly manner. Cable C in space 200
The situation that the routing route of is not disturbed is prevented, which helps improve the quality of work.

After the work of connecting the cable C to the terminal 110 is completed, the removal cover portion 46 is grasped by hand with the opening / closing lid 40 open, and the temporary coupling rib 47 is provided.
Bend and break. Then, the opening / closing lid 40 from which the removal cover portion 46 has been removed is closed. In this way, as shown in FIG. 6, only a part of the cutout portion 14 is closed by the main portion 45 of the opening / closing lid 40, and the removal trace of the removal cover portion 46 remains as the opening 2. Further, the lower surface of the cutout portion 14 is closed by the closing plate portion 42 of the opening / closing lid 40. Therefore, the mounting base A is mounted on the wall surface P at the installation location of the watt-hour meter 100.

The present invention, in particular, the invention of claim 1 is not limited to the above-mentioned embodiment, but it is necessary to attach a mounting stopper to a mounting base made of a thick metal or wood. When the mounting hole and the head housing hole are provided, the mounting hole and the head housing hole are provided in the above-described embodiment (that is, the mounting hole 21 in FIG. 3).
Needless to say, it may be configured as the head accommodation hole 23).

[0033]

As described above, according to the mounting base of the present invention, the contour or position of the opening of the mounting hole is directly attached to the mounting surface with a writing instrument while the mounting base is pressed against the installation location of the mounting surface. Marks can be attached easily and with high accuracy. Further, according to the present invention, the mounting hole is provided in the projecting portion provided on the back surface of the front plate portion of the mounting base, so that the projecting portion and the wall portion provided around the front plate portion cooperate to mount the mounting hole. The installation stability of the stand can be improved.

[Brief description of drawings]

FIG. 1 is a front view of a mounting base according to an embodiment of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is an enlarged perspective view of a main part of a mounting base.

FIG. 4 is an enlarged cross-sectional view of another portion of the mounting base.

FIG. 5 is a schematic perspective view showing a part of the mounting base with the opening / closing lid fully opened.

FIG. 6 is an enlarged schematic front view of a part of the mounting base in a use state.

FIG. 7 is a rear view exemplifying a cable routing state in a space behind the front plate portion.

[Explanation of symbols]

A electricity meter mounting base P mounting surface S Writing instrument 10 Front plate 12 walls 13 End face of wall 20 Projection 21 mounting holes 22 Tip surface of protrusion 23 Head receiving hole 30 Stoppers for mounting 31 Shaft 32 heads 100 electricity meter

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3H023 AA04 AB07 AC02 AD01 AD54                       AE06                 4E360 AB12 EB02 EC16 ED02 ED28                       ED30 FA14 GA08 GB94                 5G361 AA02 AB01 AC01 AC10 AD02                       AE01

Claims (4)

[Claims] 1. A mounting hole having a shaft portion and a head portion having a diameter larger than that of the shaft portion, into which the shaft portion is inserted, and a head housing hole for accommodating the head portion of the mounting stopper. The mounting hole is provided with a tip of a writing instrument, and the contour of the mounting hole is formed on the mounting surface on which the mounting table is installed with the tip of the writing instrument put in the mounting hole. A mounting base characterized in that it is formed with a diameter and an axial length that can be drawn or marked for the position of its mounting hole. 2. A front surface of the front plate portion is provided with a protrusion whose front end surface faces a mounting surface on which the mounting base is installed, and the protrusion has a shaft and a head having a diameter larger than that of the shaft. A mounting base provided with a mounting hole through which the shaft portion of the mounting stopper is provided and a head housing hole for housing the head of the mounting stopper, wherein the mounting hole of the protrusion is , The diameter and axial length of which the tip of the writing instrument is inserted and which is drawn into the attachment hole by drawing the contour line of the attachment hole on the attachment surface or marking the position of the attachment hole. The mounting base is characterized by being formed in. 3. The mounting base according to claim 1 or 2, wherein the accommodating hole in the head of the mounting stopper has a diameter into which the grip portion of the writing instrument can be inserted. 4. The mount according to claim 2, wherein a wall is provided around the front plate, and an end surface of the wall and a tip surface of the protrusion are at the same level. .