JP5508208B2 - Instrument mounting member - Google Patents

Description

  The present invention relates to an instrument mounting member.

  In order to install, for example, a wiring device on a wall of a building, a wiring box as a device mounting member is disposed on the back of the wall (see, for example, Patent Document 1). The wiring box of Patent Document 1 has a rectangular outer shape, a flange is provided on the end face on the opening side of each vertical side wall, and a boss is provided on the inner side of each horizontal side wall. Further, a plurality of piercing bodies (projections) are integrally projected on the outer surface of the bottom wall.

  And when installing the wiring box of Patent Document 1 on the back of the wall, first, the outer surface of the bottom wall is pressed against the installation position of the wiring box on the wall material, and a plurality of piercing bodies are pierced into the wall material. The wiring box is positioned with respect to the wall material. In this state, when the outline of the wiring box is marked with a ruler, the outline of the wiring box is displayed on the front side of the wall material. Next, when the wall material is cut along the outer shape line by a cutting tool such as a saw, a rectangular through hole (wall hole) corresponding to the outer shape of the wiring box is formed in the wall material. When the wiring box is inserted into the through hole from the front side of the wall material, the flange comes into contact with the surface of the wall material, and the wiring box is placed on the back side of the wall material with the opening of the wiring box facing the wall surface. Is installed.

  Patent Document 1 discloses a wiring box having an outer shape in which a part of two circles are overlapped with each other. In this wiring box, a pair of flanges are provided outward on the end face of the peripheral wall, and a pair of bosses are provided on the inner side of the peripheral wall so as to face each other. On the outer surface of the bottom wall of the wiring box, a piercing body is integrally projected at each center position of each circle constituting the outer shape of the wiring box.

  Then, when installing the wiring box on the back of the wall, first, the outer surface of the bottom wall is pressed against the installation position of the wiring box on the wall material to pierce each piercing body into the wall material. The puncture mark by each piercing body is the center position of two circles constituting the outer shape of the wiring box. In a state where the center of the punching tool is pressed against the piercing mark, an operation of drilling a circular hole in the wall material with the rotary cutting blade of the punching tool is performed for each piercing mark. Then, a through hole having a shape corresponding to the outer shape of the wiring box in which a part of the two circles are overlapped with each other is formed by superposition of the two circular holes. Then, when the wiring box is inserted into the through hole from the wall surface side and each flange comes into contact with the surface of the wall material, the wiring box is placed on the back side of the wall material with the opening of the wiring box facing the wall surface. Is installed.

JP-A-11-127520

  In the wiring box of Patent Document 1, the plurality of piercing bodies are used for positioning the wiring box when ruled out the outer shape of the wiring box or when perforating holes corresponding to the outer shape of the wiring box. Used to mark the drilling center. However, in any case, the plurality of piercing bodies are unnecessary after the through holes are formed.

  The present invention has been made by paying attention to such problems existing in the prior art, and the object thereof is to use a projection used for drilling a wall hole in a wall material to It is in providing the instrument attachment member which can be positioned in the attachment position of.

  In order to achieve the above object, the invention according to claim 1 is provided with at least one pair of fixing portions arranged opposite to each other, and is disposed at a mounting position on the back of the wall through a wall hole formed in the wall material. In addition, the appliance or the appliance frame of the appliance is installed on the wall surface using the fixing portion, so that the appliance is fixed to the attachment position by sandwiching the wall material with the appliance or the appliance frame. A wall portion having a contact surface that contacts the periphery of the wall hole on the back surface of the wall member, and the wall surface is capable of contacting the periphery of the wall hole. Protrusions for marking the wall member with an outer shape reference position for drilling are formed on the surface of the main body, and the protrusions are formed on the wall holes when the main body is installed on the back of the wall. The gist is that it can be locked to the inner surface.

  According to a second aspect of the present invention, in the first aspect of the present invention, the wall hole has a quadrangular shape, and the protrusion has four corners of the wall hole as the outer shape reference position, and the main body portion is a wall. The gist is that it can be locked to the inner surfaces of the four corners of the wall hole when installed on the back.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, a surface of the protrusion that engages with the inner surface of the wall hole extends in a direction perpendicular to the surface of the main body. The gist is that it is formed as described above.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the body portion is marked on a surface of the wall material when the wall hole is drilled. The gist of the present invention is that an alignment portion that can be aligned with the ink marking line is provided.

  According to this invention, it is possible to position the mounting position on the back of the wall by using the projection used when the wall hole is drilled in the wall material.

The perspective view which shows the instrument fixing frame and instrument frame in embodiment. (A) is a front view of an instrument fixing frame, (b) is a longitudinal cross-sectional view along the line AA in FIG. 2 (a). (A) is a front view showing a state where the first and second black lines are marked on the surface of the wall material, and (b) is a position where the first and second concave portions are aligned with respect to the first and second black lines. Then, a front view showing a state in which the protrusion is pressed against the surface of the wall material, (c) is a front view showing a puncture mark of the protrusion, (d) is a front view showing a state in which a rectangular frame is marked, (e) is The front view which shows the state by which the wall hole was drilled, (f) is a front view which shows the state in which a part of frame main body is inserted in the wall hole. The front view which shows the state which each protrusion latches to each inner surface of the four corners of a wall hole. The longitudinal cross-sectional view which shows the state in which the instrument frame was installed in the wall.

  Hereinafter, an embodiment in which the present invention is embodied in an instrument fixing frame will be described with reference to FIGS. Moreover, the fixture fixing frame 10 in this embodiment is installed on the back of the wall W in order to install one fixture frame H in a state where the switch S as a fixture is held on the wall W of the building.

First, the wall W will be described.
As shown in FIG. 5, the wall W is comprised by the pillar which is not shown in figure and a pair of wall material W1 standingly arranged by both front and back of the pillar. Further, a hollow portion K (back of the wall W) is formed between the pair of wall materials W1, and a cable C is disposed in the hollow portion K.

Next, the instrument fixing frame 10 will be described.
As shown in FIG. 1, the instrument fixing frame 10 includes a frame body 11 as a body portion made of a synthetic resin material formed in a rectangular frame shape.

  As shown in FIG. 2A, the frame main body 11 includes an upper frame portion 12 and a lower frame portion 13 that constitute opposing short sides and extend parallel to each other. In addition, the frame main body 11 includes long sides that face each other and a right frame portion 14 that connects a right end portion of the upper frame portion 12 and a right end portion of the lower frame portion 13, and a left end portion and a lower frame portion of the upper frame portion 12. The left side frame part 15 which connects 13 left end parts is provided. An insertion hole 11 a is surrounded and formed by the upper frame portion 12, the lower frame portion 13, the right frame portion 14, and the left frame portion 15 in the central portion of the frame body 11.

  The lengths in the long side direction of the upper frame portion 12 and the lower frame portion 13 are the same, and the lengths in the long side direction of the right frame portion 14 and the left frame portion 15 are the same. The right frame portion 14 and the left frame portion 15 extend in a direction orthogonal to the upper frame portion 12 and the lower frame portion 13. The thicknesses of the upper frame portion 12, the lower frame portion 13, the right frame portion 14, and the left frame portion 15 are the same. The surfaces 12a and 13a (one end surface) of the upper frame portion 12 and the lower frame portion 13 and the surfaces 14a and 15a (one end surface) of the right frame portion 14 and the left frame portion 15 are located on the same plane. The front surfaces 12a, 13a, 14a, and 15a function as contact surfaces that contact the entire periphery of the wall hole W2 on the back surface of the wall material W1.

  A boss portion 16 as a fixed portion is disposed opposite to each other inside the central portion of the upper frame portion 12 and the lower frame portion 13, and the frame body 11 includes a pair of boss portions 16. Each boss portion 16 is formed with a circular boss hole 16a penetrating in the thickness direction of the upper frame portion 12 or the lower frame portion 13, and a nut N1 (see FIG. 1) is provided in each boss portion 16. Buried. A fixing screw B1 for fixing the instrument frame H to the pair of boss portions 16 can be screwed into the nut N1 via the boss hole 16a.

  Projections 21 are provided on the surfaces 12 a and 13 a of the upper frame portion 12 and the lower frame portion 13. Each protrusion 21 has the same distance along the long side direction of the upper frame portion 12 and the lower frame portion 13 from the straight line L1 connecting the pair of boss holes 16a on the surfaces 12a and 13a of the upper frame portion 12 and the lower frame portion 13. It is provided at a position separated by only a distance. In addition, each protrusion 21 passes through the center in the long side direction of the right frame portion 14 and the left frame portion 15 and extends from the straight line L2 extending in a direction orthogonal to the straight line L1 to the right frame portion 14 and the left frame portion 15. They are provided at positions separated by the same distance along the long side direction. Furthermore, each protrusion 21 is provided at a position spaced apart from each corner of the insertion hole 11a by a predetermined distance toward each corner of the frame body 11, and is provided on an extension line on the long side of the insertion hole 11a. Yes. Each protrusion 21 is provided at a position spaced from the outer surface of the upper frame portion 12 or the lower frame portion 13 by a certain distance toward the insertion hole 11a, and is inserted from the outer surface of the right frame portion 14 or the left frame portion 15. It is provided at a position spaced apart from the hole 11a by a certain distance. Furthermore, each protrusion 21 is located closer to the outer surface of the upper frame portion 12 or the lower frame portion 13 than the boss hole 16a.

  A quadrangle is drawn by connecting the adjacent protrusions 21 with a straight line, and the quadrangle is larger than the insertion hole 11a. Further, when the four protrusions 21 are pierced into the surface of the wall material W1, the four corners of the wall hole W2 as the outer shape reference position of the wall hole W2 are marked on the surface of the wall material W1. That is, each surface 12a, 13a, 14a, 15a located outside the quadrangle drawn by connecting adjacent protrusions 21 with a straight line comes into contact with the peripheral edge of the wall hole W2 on the back surface of the wall material W1. ing.

  As shown in FIG. 2B, each projection 21 has a triangular pyramid shape, and the tip of each projection 21 is a pointed portion 21d that is pointed along the protruding direction. As shown in FIG. 2A, the first side surface 21 a facing the upper frame portion 12 or the lower frame portion 13 side of each protrusion 21 is parallel to the long side direction of the upper frame portion 12 and the lower frame portion 13. And is formed so as to protrude in a direction orthogonal to the surfaces 12a, 13a of the upper frame portion 12 or the lower frame portion 13. In addition, the second side surface 21b facing the right frame portion 14 or the left frame portion 15 side of each protrusion 21 extends in parallel with the long side direction of the right frame portion 14 and the left frame portion 15, and the upper frame portion 12. Alternatively, the lower frame portion 13 is formed so as to protrude in a direction orthogonal to the surfaces 12a and 13a. Furthermore, the third side surface 21c facing the insertion hole 11a in each projection 21 connects the first side surface 21a and the second side surface 21b, and intersects the protruding direction of the first side surface 21a and the second side surface 21b. The frame body 11 is formed so as to incline and extend in the direction toward each corner.

  On the outer surfaces of the upper frame portion 12 and the lower frame portion 13, each portion passing through the straight line L <b> 1 is formed with a first recess 25 as an alignment portion that is recessed toward the insertion hole 11 a side. Moreover, the 2nd recessed part 26 as an alignment part dented toward the penetration hole 11a side is formed in the outer surface of the right side frame part 14 and the left side frame part 15, and each site | part which passes along the straight line L2. .

Next, a method of installing the switch S on the wall W using the instrument fixing frame 10 having the above configuration will be described.
First, as shown in FIG. 3A, in one wall material W1, a first ink line Y1 extending in the vertical direction and a second ink line X1 extending in the horizontal direction are indicated at the installation position of the switch S. . The first black line Y1 and the second black line X1 are orthogonal to each other.

  Next, as shown in FIG. 3B, the first recesses 25 are aligned on the first black line Y1 with the front surface side of the frame body 11 facing the front surface side of the wall material W1. The first recesses 25 and the first inking lines Y1 are polymerized, and at the same time, the second indentations 26 and the second inking lines are aligned with the second inking lines X1. The frame body 11 is arranged so as to be polymerized with X1. Furthermore, the surface of the frame main body 11 is pressed against the surface of the wall material W1. Then, each protrusion 21 pierces the surface of the wall material W1 from the pointed end 21d side. Then, when the frame body 11 is separated from the surface of the wall material W1, as shown in FIG. 3C, the piercing marks 31 of the projections 21 indicating the outer shape reference position of the wall hole W2 are formed on the surface of the wall material W1. Is done.

  Next, as shown in FIG. 3 (d), with a ruler (not shown), the scribe marks 31 are marked so as to connect the adjacent first side surfaces 21a with corresponding parts by straight lines, A ruled line is drawn so that the adjacent second side surfaces 21b of the puncture mark 31 are connected to each other by a straight line. Then, the square frame 32 which shows the external shape of the square-shaped wall hole W2 is drawn on the surface of wall material W1. Then, as shown in FIG. 3E, the wall material W <b> 1 is cut along the square frame 32 using a cutting tool such as a saw. Then, a quadrangular wall hole W2 is formed in the wall material W1. This wall hole W2 allows the frame body 11 to be inserted into the hollow portion K from the front side of the wall W through the wall hole W2 from the short side of the frame body 11 with the direction along the long side direction as the insertion direction. In addition, the boss portion 16 is sized to face the front side of the wall W through the wall hole W2.

  Next, as shown in FIG. 3 (f), the cable C arranged in the hollow portion K is pulled out from the wall hole W2 to the front side of the wall material W1, and the cable C is passed through the insertion hole 11a. Thus, the frame body 11 is inserted into the hollow portion K from the upper frame portion 12 side through the wall hole W2 with the direction along the longitudinal direction as the insertion direction. Then, the whole frame main body 11 passes the wall hole W2, and the instrument fixing frame 10 is located in the hollow part K.

  Next, as shown in FIG. 4, the operator adjusts the position so that the entire first side surface 21 a and the second side surface 21 b of each projection 21 are in contact with the inner surfaces of the four corners of the wall hole W <b> 2. 21 is inserted into the wall hole W2. Then, the site | part located outside wall hole W2 in each surface 12a, 13a, 14a, 15a contact | abuts the periphery of wall hole W2 in the back surface of wall material W1.

  Here, in a state where each projection 21 is inserted into the wall hole W2, the entire first side surface 21a and second side surface 21b of each projection 21 are in surface contact with the respective inner surfaces of the four corners of the wall hole W2. For this reason, the movement of the frame body 11 in the vertical and horizontal directions with respect to the wall hole W2 is restricted, and the insertion hole 11a is positioned at the attachment position facing the wall W from the wall hole W2.

  Next, as shown in FIG. 5, the cable C is connected to the switch S previously held in the instrument frame H, the instrument frame H is arranged on the front side of the wall material W1, and the fixing screw B1 is attached to the instrument frame H. The nut N1 is tightened through the screw insertion hole H1, the wall hole W2, and the boss hole 16a. Thereby, the fixture fixing frame 10 is fixed to the back surface of the wall material W1 in a state where the wall material W1 is held together with the appliance frame H, and the switch S is installed on the wall W.

In the above embodiment, the following effects can be obtained.
(1) The protrusions 21 are provided on the surfaces 12a and 13a of the upper frame portion 12 and the lower frame portion 13, and the piercing marks 31 formed by piercing the protrusions 21 on the surface of the wall material W1 are straight lines. tie. Then, the frame main body 11 can be inserted into the hollow portion K from the front side of the wall W, and the boss portion 16 can face the front side of the wall W through the wall hole W2, and each surface 12a, 13a, 14a , 15a can be drawn on the surface of the wall material W1 so that the outer shape of the wall hole W2 can contact the peripheral edge of the wall hole W2 on the back surface of the wall material W1. By cutting the wall material W1 along the outer shape of the wall hole W2, the wall hole W2 having a desired size can be formed in the wall material W1. Further, the frame body 11 is inserted into the hollow portion K through the wall hole W2, and each projection 21 used when the wall hole W2 is drilled in the wall material W1 is inserted into the inner surface of the wall hole W2. Each projection 21 is locked to the inner surface of the wall hole W2, and the frame body 11 can be positioned at an attachment position where the insertion hole 11a faces the wall W from the wall hole W2. Therefore, the projection 21 used when the wall hole W2 is drilled in the wall material W1 can be used for positioning the frame main body 11 at the mounting position. Even after the wall hole W2 is drilled, the projection 21 can be used. 21 can be used effectively.

  (2) When drilling the quadrangular wall hole W2 in the wall material W1, it is a manual operation using a saw or the like without preliminarily marking the outer shape of the wall hole W2 on the surface of the wall material W1. When the drilling operation is performed, it is difficult to drill a rectangular wall hole W2 having a desired size in the wall material W1. However, in this embodiment, when each protrusion 21 pierces the surface of the wall material W1, the four corners (puncture marks 31) of the wall hole W2 as the outer shape reference position of the wall hole W2 are marked with respect to the wall material W1. . Then, by connecting each puncture mark 31 with a straight line, a square frame 32 indicating the outer shape of the rectangular wall hole W2 can be drawn on the surface of the wall material W1, and the wall material W1 is drawn along the square frame 32. By cutting, a rectangular wall hole W2 having a desired size can be formed.

  (3) Each protrusion 21 extends in parallel to the long side direction of the upper frame portion 12 and the lower frame portion 13, and in a direction orthogonal to the surfaces 12 a and 13 a of the upper frame portion 12 or the lower frame portion 13. A protruding first side surface 21a is provided. Each protrusion 21 extends in parallel to the long side direction of the right frame portion 14 and the left frame portion 15 and protrudes in a direction orthogonal to the surfaces 12 a and 13 a of the upper frame portion 12 or the lower frame portion 13. The second side surface 21b is provided. Therefore, when each protrusion 21 is inserted into the wall hole W2, the entire first side surface 21a and second side surface 21b of each protrusion 21 are in surface contact with the respective inner surfaces of the four corners of the wall hole W2. Even if the length is short, the vertical and horizontal movement of the frame body 11 with respect to the wall hole W2 can be restricted.

  (4) On the outer surfaces of the upper frame portion 12 and the lower frame portion 13, the first recesses 25 are formed in the portions passing through the straight line L <b> 1, and outside the right frame portion 14 and the left frame portion 15. A second recess 26 is formed on each side of the part passing through the straight line L2. Therefore, the frame main body 11 is attached to the wall material W1 by aligning the first concave portions 25 on the first black line Y1 and aligning the second concave portions 26 on the second black line X1. It can arrange | position, without inclining with respect to it.

In addition, you may change the said embodiment as follows.
In the embodiment, each projection 21 has four corners of the wall hole W2 with respect to the wall material W1, and when inserted into the wall hole W2, it can be locked to each inner surface of the four corners of the wall hole W2. Not limited to this. For example, each projection 21 has an inner surface facing the up and down direction and an inner surface facing the left and right direction on the inner surface of the wall hole W2 as the outer shape reference position of the wall hole W2, and the wall hole W2 When inserted, the wall hole W2 may be engageable with the inner surface facing in the vertical direction and the inner surface facing in the left-right direction.

  In the embodiment, the shape of the wall hole W2 drilled in the wall material W1 is a square shape. However, the shape is not limited to this, and for example, a vertically long oval shape, an oval shape, and a perfect circle are partially overlapped. It may be a wall hole formed by partially superposing a plurality of substantially perforated or plural circular perforations.

  For example, a vertically long elliptical wall hole is drilled at a desired position of the wall material W1 using an electric punch having a cup-shaped casing whose opening shape is a vertically long elliptical shape. In this case, locking projections are provided on the outer sides of the boss portions 16 on the surfaces 12a and 13a of the upper frame portion 12 and the lower frame portion 13, respectively. Each locking projection protrudes so as to extend in a direction orthogonal to the surfaces 12a and 13a of the upper frame portion 12 and the lower frame portion 13, and on the opposite side of each locking projection from the boss portion 16 side. The entire side surface is formed in an arc shape on the inner peripheral surface of the wall hole so as to follow each of the opposing arc portions on the long side of the wall hole.

  When the surface of the frame body 11 is pressed against the surface of the wall material W1, a piercing trace of a locking projection is formed on the surface of the wall material W1, and the outer shape of the casing of the electric punch is positioned along the piercing trace. When the wall member W1 is cut with the electric punch in this state, a vertically long elliptical wall hole is formed at a desired position of the wall member W1. Then, when the frame body 11 is inserted into the hollow portion K through the wall hole and the locking protrusion is inserted into the wall hole, the locking protrusion is locked to each of the opposing arc portions on the long side of the wall hole. The frame body 11 is positioned at the mounting position.

  In embodiment, it is the outer surface of the upper frame part 12 and the lower frame part 13, Comprising: The 1st recessed part 25 formed in each site | part which passes along the straight line L1, and the outer surface of the right frame part 14 and the left frame part 15 And the 2nd recessed part 26 formed in each site | part which passes along the straight line L2 may be deleted.

  In embodiment, although the instrument attached to the instrument frame H was the switch S, it is not restricted to this, For example, an outlet socket and an alarm may be sufficient as the instrument attached to the instrument frame H.

  ○ When an alarm is applied as an instrument, the alarm is installed directly on the boss 16 and the alarm is installed on the wall W by sandwiching the wall material W1 between the alarm and the instrument fixing frame 10. It may be.

  The present invention is applied to the instrument fixing frame 10 used when one instrument frame H in a state where the switch S is held is installed on the wall W. However, the present invention is not limited to this, and the instrument frame H is installed on the wall W. You may apply to the instrument fixing frame used when arranging two or more in parallel.

The present invention is embodied in the instrument fixing frame 10, but is not limited thereto, and may be embodied in a bottomed square box-like wiring box having an opening on one surface.
Next, the technical idea that can be grasped from the above embodiment and other examples will be described below.

  (A) The appliance mounting member is an appliance fixing frame provided with a frame main body having a rectangular frame shape as the main body portion, and the appliance according to any one of claims 1 to 4. Mounting member.

  B1 ... Fixing screw, H ... Instrument frame, S ... Switch as instrument, W ... Wall, W1 ... Wall material, W2 ... Wall hole, 10 ... Instrument fixing frame as instrument mounting member, 11 ... Frame main body as body part , 12a, 13a, 14a, 15a ... a surface functioning as a contact surface, 16 ... a boss portion as a fixed portion, 21 ... a projection.

Claims (4)

At least a pair of fixing portions arranged opposite to each other is provided, and is passed through a wall hole formed in the wall material and arranged at an attachment position on the back of the wall. By being installed on the wall surface, it is an instrument mounting member that is fixed to the mounting position by sandwiching the wall material with the instrument or the instrument frame,
A main body having a contact surface on the surface that contacts the periphery of the wall hole on the back surface of the wall material;
Protrusions for marking the wall member with an outer shape reference position for drilling the wall hole with which the abutment surface can come into contact with the peripheral edge of the wall hole are formed on the surface of the main body part,
The protrusion is configured to be able to be locked to the inner surface of the wall hole when the main body is installed on the back of the wall. The wall hole has a quadrangular shape,
The projections mark four corners of the wall hole as the outer shape reference position, and can be locked to inner surfaces of the four corners of the wall hole when the main body is installed on the back of the wall. Item 3. The instrument mounting member according to Item 1.   The instrument according to claim 1 or 2, wherein a surface of the protrusion that is engaged with the inner surface of the wall hole is formed to extend in a direction orthogonal to the surface of the main body. Mounting member.   2. The main body portion is provided with an alignment portion that can be aligned with an inking line marked on a surface of the wall material when the wall hole is drilled. The instrument mounting member according to any one of claims 3 to 4.

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