JP2008005687A - Box-fixing tool and its mounting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a box-fixing tool capable of being easily mounted to a light weight shape steel material so that the box fixing surface faces the wall surface side of a light weight partition wall, and to provide a mounting method for the box-fixing tool. <P>SOLUTION: The box-fixing tool 10 has a mounting part 11 to be mounted to the light weight shape steel material P and a fixing piece 21 equipped with the box fixing surface 25a to which a wiring box B is fixed. The mounting part 11 includes an abutting surface 11a to abut on a shoulder surface plate part Pb and has a mounting hole 12 through which a mounting screw 16 is inserted is formed. The fixing piece 21 is provided extending from the mounting part 11 so as to make the box fixing surface 25a orthogonal to the abutting surface 11a of the mounting part 11. The mounting part 11 includes a protruded part 15 extending in the direction opposite to the fixing piece 21, and the rear face 15a continued to the abutting surface 11 in the protruded part 15 is formed so as to abut on a side plate part Pc, with the abutting surface 11a abutted on the shoulder face plate part Pb of the light weight shape steel material P. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a box fixture attached to a lightweight steel and a method for attaching the box fixture in order to install a wiring box on a lightweight partition wall.

  The lightweight partition wall is formed by providing a wall material so as to sandwich the lightweight steel material from both sides of a plurality of lightweight steel materials erected at a predetermined interval. When a wiring box having a bottomed square box shape is installed on this lightweight partition wall, a box fixture attached to a lightweight steel material is used (for example, see Patent Document 1 and Patent Document 2). The box fixture disclosed in Patent Document 1 includes a pair of fixtures, and the other fixture alone is fitted inside and integrally assembled with one fixture. And the fixture simple substance can be slid mutually and the full length of a box fixture can be adjusted freely. Each fixing tool has a box mounting surface, and a number of slits are intermittently formed in the box mounting surface along the length direction of the fixing tool. Moreover, the attachment plate part for attaching each fixing tool simple substance to a lightweight shape steel material is provided in the one end part of the length direction in each fixing tool simple substance.

  And in order to install a wiring box on a lightweight partition wall using the box fixture disclosed in Patent Document 1, first, a pair of fixtures are slid relative to each other, and the box fixture is placed between adjacent lightweight steel members. Adjust the overall length of the box fixture to be interposed. Next, using a gauge tool, the mounting position of the mounting plate portion of each fixing tool with respect to the lightweight steel material is determined, and the mounting position is marked to display the mounting position. Then, the mounting plate portion of each fixing tool is aligned with each mounting position, and the mounting plate portion is temporarily fixed to each mounting position with a double-sided tape attached to each mounting plate portion, and then each mounting is performed with a tapping screw. Fix the plate to the lightweight steel. Then, it arrange | positions so that the box attachment surface in each fixing tool single-piece | unit faces the wall surface side of a lightweight partition wall. Thereafter, the bottom wall of the wiring box is fixed to the box mounting surface, and the wiring box is fixed so that the opening surface faces the wall front side of the lightweight partition wall. A wall material is erected so as to sandwich the lightweight steel material, and a lightweight partition wall is constructed, and a wiring box is installed on the lightweight partition wall.

Further, the box fixture disclosed in Patent Document 2 (lightweight stud box support bracket) is a box support provided with a fixing plate that is bent and extended from a connecting plate that connects a wiring box and overlaps the outer surface of the light-weight shaped steel member. A hook, a locking nut locked from the inside to the opening of the lightweight steel material, and a fastening bolt connected from the fixing plate to the locking nut. A bolt insertion hole is formed in the fixing plate, and a screw hole is formed in the locking nut. And in order to install a wiring box on a lightweight partition wall using the box fixture disclosed in Patent Document 2, a fastening bolt inserted into a bolt insertion hole of a fixing plate is screwed into a screw hole of a locking nut. The box support rod and the locking nut are integrated. Then, a locking nut is inserted inside the lightweight steel material, the fastening bolt is rotated to rotate the locking nut, and the locking nut is locked to the inner surface of the lightweight steel material. Furthermore, by rotating the fastening bolt, the lightweight steel is clamped by the locking nut and the fixing plate, and the box fixture is attached to the lightweight steel, and the connecting plate faces the front side of the lightweight partition wall. Is done. Thereafter, the bottom wall of the wiring box is fixed to the connecting plate, and the wiring box is fixed so that the opening surface faces the wall front side of the lightweight partition wall. A wall material is erected so as to sandwich the lightweight steel material, and a lightweight partition wall is constructed, and a wiring box is installed on the lightweight partition wall.
Japanese Patent Laid-Open No. 10-219887 JP-A-11-262130

  However, in the box fixture disclosed in Patent Document 1, when attaching the box fixture to the lightweight steel material, it is necessary to attach the mounting plate portion to the lightweight steel material so that the box mounting surface faces the wall surface side of the lightweight partition wall. In order to obtain the mounting position of the mounting plate portion, a gauge tool is required. Furthermore, in order to fix the mounting plate portion at the mounting position, the mounting plate portion must be temporarily fixed to the light-weight steel material with double-sided tape, and the work of mounting the mounting plate portion at the predetermined mounting position is very troublesome. there were. In addition, in the box fixture disclosed in Patent Document 2, a locking nut, a fixing plate, and a fastening bolt are required to attach the box fixture to the lightweight steel material so that the connecting plate faces the wall surface side. The number of parts was large, and the mounting work to the lightweight steel was very troublesome.

  The present invention has been made in view of the above-described conventional problems, and the object thereof can be easily attached to a lightweight steel member such that the box fixing surface faces the wall surface side of the lightweight partition wall. An object of the present invention is to provide a box fixture and a method for attaching the box fixture.

  In order to solve the above-mentioned problems, the invention according to claim 1 is a lightweight partition wall in which a plurality of light-weight steel materials are erected at intervals and wall materials are provided so as to sandwich the light-weight steel materials. A box fixture that is attached to the lightweight steel member to install a wiring box having an opening surface on at least one surface, the attachment member being attached to a wall portion of the lightweight steel member, and extending from the attachment portion A fixing piece having a box fixing surface to which the wiring box is fixed, and the attachment portion includes an abutting surface for abutting against the wall portion, and an attachment member for attaching the attachment portion to the wall portion. A mounting hole to be inserted is formed, and the fixing piece extends from the mounting portion so that the box fixing surface is orthogonal to the contact surface of the mounting portion. Are protruding in opposite directions The back surface of the projecting portion that is continuous with the contact surface is adjacent to and orthogonal to the wall portion in a state where the contact surface is in contact with the wall portion of the lightweight steel material. The gist is that it is formed to abut against the wall.

  According to a second aspect of the present invention, in the box fixture according to the first aspect, the projecting portion causes the abutting surface to abut against the wall portion of the lightweight steel material, and the rear surface of the projecting portion is separated from the other. In the state of being brought into contact with the wall portion of the steel plate, it is formed so as to be able to be gripped by hand together with the light weight shaped steel material. The gist of the present invention is that a pressing portion is provided that allows the back surface of the pressing member to be pressed against another wall portion of the lightweight steel material.

The gist of the invention described in claim 3 is that, in the box fixture according to claim 1 or claim 2, the protruding portion is formed to be removable from the mounting portion.
The gist of the invention according to claim 4 is the box fixture according to claim 1 or 2, wherein the protrusion is formed so as to be bendable toward the fixing piece.

  According to a fifth aspect of the present invention, in the box fixture according to any one of the first to fourth aspects, the abutting surface is abutted against the wall portion and the back surface of the protruding portion is lightweight. The fixed piece so that the opening surface is located substantially on the same plane as the other wall portion of the light-weight shaped steel member in a state where it is brought into contact with another wall portion of the shaped steel material and the wiring box is fixed to the fixed piece. The gist is that the length from the box fixing surface to the back surface of the protruding portion is set to be substantially the same as the depth of the wiring box.

  The invention according to claim 6 is the box fixture according to any one of claims 1 to 5, wherein the wall portion of the light-weight shaped steel material is an opening extending in a standing direction of the light-weight shaped steel material. In the state in which the contact surface is in contact with the lip portion and the back surface of the protruding portion is in contact with another wall portion of the lightweight steel material, The gist is that the mounting hole is formed at a position facing a lip portion adjacent to the other wall portion.

  According to a seventh aspect of the present invention, in the box fixture according to the sixth aspect of the present invention, the attachment portion is formed from the opening to the inside of the lightweight steel member in a state where the protruding portion is removed or bent from the attachment portion. The gist is that it can be inserted.

  The invention according to claim 8 is the box fixture according to any one of claims 1 to 7, wherein the mounting portion and the fixing piece are formed separately from each other. The summary is as follows.

  The invention according to claim 9 is a wiring having an opening surface on at least one surface of a light-weight partition wall in which a plurality of light-weight steel materials are erected at intervals and wall materials are provided so as to sandwich the light-weight steel materials. A method of attaching a box fixture attached to the lightweight steel member for installing a box to the lightweight steel member, wherein the box fixture is attached to a wall portion of the lightweight steel member, and the attachment And a fixing piece having a box fixing surface to which the wiring box is fixed. The mounting portion includes a contact surface that contacts the wall portion, and the mounting portion is a wall portion. A mounting hole is formed through which a mounting member to be attached is inserted, and the fixing piece extends from the mounting portion so that the box fixing surface is orthogonal to the contact surface of the mounting portion. In the part Protrusions extending in a direction opposite to the fixed piece are provided, the abutting surface is brought into contact with the wall portion, and the fixing piece is arranged so that the box fixing surface is orthogonal to the abutting surface of the mounting portion. The back surface of the projecting portion that is continuous with the contact surface is brought into contact with another wall portion that is adjacent to and orthogonal to the wall portion with which the contact surface is in contact with the mounting hole. The gist is to insert the attachment member and attach the attachment portion to the wall portion by the attachment member.

  According to a tenth aspect of the present invention, in the method for attaching the box fixture according to the ninth aspect, after the attachment portion is attached to the wall portion, the protruding portion is bent toward the fixed piece side to be on the lightweight steel member. The main point is to exclude them.

  The gist of the invention according to claim 11 is the method for attaching the box fixture according to claim 9, wherein after the attachment portion is attached to the wall portion, the protruding portion is removed from the attachment portion.

  According to a twelfth aspect of the present invention, in the method for attaching the box fixture according to any one of the ninth to eleventh aspects, the contact surface is brought into contact with the wall portion of the lightweight steel material. In a state where the back surface of the projecting portion is in contact with the other wall portion, the rear surface of the projecting portion is pressed against another wall portion of the lightweight steel material while the projecting portion is grasped by hand together with the lightweight steel material. The gist is to hold the box fixture in a lightweight steel.

  According to the present invention, it is possible to easily perform the work of attaching to the lightweight steel material so that the box fixing surface faces the wall surface side of the lightweight partition wall.

(First embodiment)
Hereinafter, a first embodiment of a box fixture and a method of attaching the box fixture embodying the present invention will be described with reference to FIGS.

  First, the lightweight partition wall W will be described. As shown in FIG. 6, the light-weight partition wall W is configured such that a plurality of light-weight shaped steel materials P (only one light-weight shaped steel material P is shown in FIG. 6) are erected at a predetermined interval so as to sandwich the light-weight shaped steel materials P. It is constructed | assembled by installing a pair of wall material Wa mutually. In the light-weight shaped steel P, the direction indicated by the arrow Y1 in FIG. 1 is the standing direction of the light-weight shaped steel P, and the direction indicated by the arrow Y2 in FIG. Width direction (front-rear direction). As shown in FIGS. 1 and 6, the lightweight steel P is made of a thin steel plate, and the cross-sectional view in a direction perpendicular to the standing direction (length direction) of the lightweight steel P is substantially C-shaped. C-shaped steel. The lightweight steel P includes an opening Pa that extends in the standing direction, a back plate Pb that faces the open Pa, and a pair of side plates Pc that sandwich the back plate Pb. The opening Pa is formed between a pair of opposed lip portions Pd extending from the pair of side plate portions Pc, and each lip portion Pd is opposed to the back plate portion Pb. ing.

  In order to construct the lightweight partition wall W, first, a plurality of lightweight steel members P are erected. At this time, the opening Pa of the lightweight steel member P is directed in the same direction, and the outer wall surfaces of the pair of side plate portions Pc on the side where the wall material Wa is installed are arranged on the same plane. Next, when the wall material Wa and the light-weight shaped steel material P are fixed with screws (not shown), the light-weight partition wall W is constructed. Next, the wiring box B will be described. As shown by a two-dot chain line in FIG. 1, the wiring box B is formed in a square box shape with a bottom from a bottom wall B1 having a square plate shape and a side wall B2 standing on the periphery of the bottom wall B1. Yes. In the wiring box B, a box opening S surrounded by the bottom wall B1 is opened toward one surface (front surface). That is, the wiring box B has an opening surface Sa on one surface (see FIG. 6).

  Next, in order to install the wiring box B in the lightweight partition wall W, the box fixture 10 attached to the lightweight steel material P will be described. As shown in FIGS. 1 to 6, the box fixture 10 is formed in an elongated plate shape by bending a thin steel plate. A rectangular plate-like attachment portion 11 is provided at one end of the box fixture 10, and one of the paired long side edges of the attachment portion 11 is elongated from one long side edge. A fixed piece 21 is bent and extended.

  In the attachment portion 11, the surface opposite to the surface from which the fixing piece 21 extends is in contact with the back plate portion Pb as a wall portion of the lightweight steel material P when the box fixture 10 is attached to the lightweight steel material P. The contact surface 11a to be configured is configured, and the contact surface 11a has a planar shape. In addition, the attachment portion 11 is formed with a plurality of attachment holes 12 (five in this embodiment) through which attachment screws 16 (see FIG. 1), which are attachment members for attaching the box fixture 10 to the lightweight steel P, can be inserted. Has been.

  Of the pair of opposing long side edges of the attachment portion 11, a projecting portion 15 having an elongated plate shape is provided from the center portion in the length direction on the other long side edge side. The protruding portion 15 is formed by bending a thin steel plate forming the mounting portion 11 so as to be orthogonal to the contact surface 11 a of the mounting portion 11. And the back surface 15a of the protrusion part 15 which continues to the said contact surface 11a is orthogonal to the applicable contact surface 11a. For this reason, the contact surface 11a of the attachment part 11 and the back surface 15a of the protrusion part 15 form two continuous surfaces, and a lightweight type is formed between the contact surface 11a of the attachment part 11 and the back surface 15a of the protrusion part 15. The corner portion C of the steel material P can be locked.

  If the surface of the protruding portion 15 opposite to the back surface 15a is the front surface 15b, a gripping piece 15c extending from the front surface 15b is formed on the protruding portion 15, and the gripping piece 15c can be gripped by a pliers or the like. ing. Cutouts 11 b are formed on both sides of the protruding portion 15 along the long side edge direction of the mounting portion 11. And the protrusion part 15 is formed so that it can be bent from the bending part between the attachment parts 11. FIG. Moreover, the surface 15b of the protrusion part 15 comprises the press part which can be pressed with a finger | toe.

  The protrusion 15 is entirely formed in a flat plate shape. That is, the protrusion 15 is formed in a flat plate shape so that when the surface 15b is pressed toward the side plate portion Pc, the protrusion 15 itself does not rotate on the side plate portion Pc with its own rotation axis. Moreover, when the protrusion part 15 presses the surface 15b toward the side plate part Pc, the rotation of the attachment part 11 in the direction toward the lightweight steel material P with the protrusion part 15 as a rotation center, and the protrusion part 15 It is formed in a size that prevents movement to the side plate portion Pc side (rear side) different from the side plate portion Pc in contact.

  In the box fixture 10, the fixing piece 21 is formed by bending the thin steel plate so as to extend in a direction perpendicular to the contact surface 11 a of the mounting portion 11 and in a direction opposite to the protruding portion 15. Yes. That is, the protrusion 15 and the fixed piece 21 are extended in directions opposite to each other with the attachment portion 11 interposed therebetween. Reinforcing ribs 22 are formed in the bent portion located between the fixed piece 21 and the mounting portion 11 so as to extend from the mounting portion 11 to the fixed piece 21. The fixing piece 21 is located on the attachment portion 11 side and extends in a direction orthogonal to the attachment portion 11, and extends so as to intersect the extension portion 23, and the attachment portion 11. A step portion 24 extending in a direction away from the mounting portion 11 and a fixing portion 25 extending from the step portion 24 in a direction orthogonal to the mounting portion 11.

  The step portion 24 is interposed at the boundary between the extending portion 23 and the fixed portion 25, and a reinforcing rib 26 is formed across the step portion 24 and the fixed portion 25. Then, by forming the step portion 24 on the fixed piece 21, the fixed portion 25 is provided at a position shifted to the side away from the mounting portion 11 as compared to the extending portion 23, that is, at a retracted position. The extending portion 23 and the fixing portion 25 are located in two stages. The length of the stepped portion 24 from the extending portion 23 to the fixed portion 25 is substantially the same as the length of the lip portion Pd of the lightweight steel material P.

  The fixing portion 25 is provided with a box fixing surface 25a to which the wiring box B is fixed, and the fixing portion 25 is provided so that the box fixing surface 25a is orthogonal to the contact surface 11a of the mounting portion 11. It has been. A plurality of (six in this embodiment) long holes 27 extending in the extending direction of the fixed piece 21 are formed in the fixed portion 25, and each long hole 27 extends in the width direction of the fixed piece 21. It is formed in the center of. Each long hole 27 is adapted to be screwed with a screw (not shown) in order to fix the wiring box B to the fixing portion 25 of the fixing piece 21. Moreover, it is the length along the direction orthogonal to the box fixing surface 25a, and is the length from the box fixing surface 25a to the back surface 15a of the protruding portion 15, in other words, from the box fixing surface 25a to the other long side edge of the mounting portion 11. This is substantially the same as the depth of the wiring box B. And the box fixing device for attaching the wiring box B to the lightweight shape steel P is comprised from the box fixing tool 10 of the said structure, and the wiring box B. As shown in FIG.

  Next, a method for attaching the box fixture 10 to the lightweight steel P and a method for attaching the wiring box B to the lightweight steel P using the box fixture 10 will be described. In the state where the plurality of lightweight steel materials P are erected, first, the contact surface 11a of the box fixture 10 is brought into contact with the back plate portion Pb as the wall portion of the lightweight steel material P as shown in FIG. . At this time, the back surface 15a of the protruding portion 15 is continuous so as to be orthogonal to the contact surface 11a. Therefore, when the contact surface 11a is brought into contact with the back plate portion Pb, it is adjacent to the back plate portion Pb. And the back surface 15a of the protrusion part 15 can be contact | abutted with respect to the side-plate part Pc which is another wall part orthogonal. That is, the corner portion C of the lightweight steel material P is engaged between the contact surface 11 a of the mounting portion 11 and the back surface 15 a of the protruding portion 15. At this time, the fixed piece 21 is disposed so that the fixed portion 25 is orthogonal to the contact surface 11 a of the mounting portion 11.

  As shown in FIG. 2, when the lightweight steel P is grasped by hand from the lip portion Pd side, the protruding portion 15 is disposed at a position where the finger (thumb) is located, and the surface 15b of the protruding portion 15 is provided. (Pressing portion) can be pressed with the thumb toward the side plate portion Pc. That is, the protrusion 15 is formed so that it can be grasped by hand together with the lightweight steel P. When the thumb 15 presses the front surface 15b of the protruding portion 15, the back surface 15a of the protruding portion 15 is pressed against the side plate portion Pc, and the protruding portion 15 is sandwiched between the thumb and the side plate portion Pc. Since the projecting portion 15 is formed in a predetermined size, the box fixture 10 is held in a predetermined position. The box fixture 10 has a back surface 15a of the projecting portion 15 in contact with the side plate portion Pc, and a contact surface 11a. Is held by the light-weight shaped steel P while being in contact with the back plate Pb.

  In this holding state, the fixing piece 21 extends in a direction opposite to the protruding portion 15 with the mounting portion 11 interposed therebetween. Therefore, the fixing portion 25 is in a state where the back surface 15a of the protruding portion 15 is in contact with the side plate portion Pc. The box fixing surface 25a of the (fixing piece 21) faces in the same direction as the side plate portion Pc with which the back surface 15a of the protruding portion 15 abuts. That is, the box fixing surface 25a is positioned so as to face the wall material Wa to be erected later. Next, as shown in FIG. 4, the mounting screw 16 is inserted into the mounting hole 12, the mounting screw 16 is screwed into the back plate portion Pb to attach the mounting portion 11 to the back plate portion Pb, and the box fixture 10. Is attached to the lightweight steel P. In this attached state, the box fixing surface 25a of the fixing piece 21 faces the wall front side. Next, as shown in FIG. 5, the gripping piece 15c is gripped by a pliers (not shown), and the protruding portion 15 is bent from the bent portion between the mounting portion 11 toward the fixed piece 21 side. 15 is excluded from the side plate portion Pc, and the back surface 15a of the projecting portion 15 is positioned on substantially the same plane as the side plate portion Pc.

  Then, as shown in FIG. 6, the wiring box B is fixed to the box fixing surface 25 a of the box fixture 10. At this time, the length from the box fixing surface 25a to the back surface 15a of the protrusion 15 is substantially the same as the depth of the wiring box B. Therefore, when the wiring box B is fixed to the fixing portion 25 with the bottom wall B1 in contact with the box fixing surface 25a, the opening surface Sa of the wiring box B is positioned on substantially the same plane as the back surface 15a of the protruding portion 15. To do. And the box fixing device is comprised from the box fixing tool 10 of the said structure, and the wiring box B, and in the state which fixed the wiring box B to the fixing piece 21 (fixing part 25) with this box fixing device, the wiring box B The opening surface Sa is positioned substantially on the same plane as the side plate portion Pc of the light-weight shaped steel material P. A pair of wall members Wa are erected so that the wall members Wa come into contact with both side plate portions Pc, so that the lightweight partition wall W with the opening surface Sa of the wiring box B in contact with the back surface of the wall member Wa. Is built.

According to the above embodiment, the following effects can be obtained.
(1) A protrusion 15 is formed on the attachment portion 11 of the box fixture 10. For this reason, the box fixing surface of the fixing piece 21 is obtained by bringing the abutting surface 11a of the attachment portion 11 into contact with the back plate portion Pb of the lightweight steel P and bringing the back surface 15a of the protruding portion 15 into contact with the side plate portion Pc. 25a can be made to face the wall front side of the lightweight partition wall W, and the box fixture 10 can be positioned at a predetermined mounting position. Therefore, for example, as in Patent Document 1, the mounting position of the box fixing tool is obtained using a gauge tool, and compared with a case where temporary fixing of the box fixing tool is required using a double-sided tape at the mounting position, The work of attaching the box fixture 10 to the light-weight shaped steel material P can be easily performed. As a result, the work of attaching the wiring box B to the light-weight shaped steel material P can be easily performed.

  (2) Further, the box fixture 10 is configured such that the mounting screw 16 is attached to the back plate portion in a state where the back surface 15a of the protruding portion 15 is in contact with the side plate portion Pc and the contact surface 11a is in contact with the back plate portion Pb. It can be attached to the lightweight steel P by simply screwing into Pb. Therefore, for example, as in Patent Document 2, the attachment of the box fixture 10 is less than the case where a locking nut, a fixing plate, and a fastening bolt are required for attachment to the lightweight steel material P. Therefore, it is possible to easily perform the mounting work of the box fixture 10 to the lightweight steel P by reducing the number of parts.

  (3) Since the protrusion 15 can be easily bent, the protrusion 15 is bent after the back surface 15a of the protrusion 15 is brought into contact with the side plate portion Pc and attached to the lightweight steel P by the mounting screw 16. Thus, it can be excluded from the side plate portion Pc. Therefore, when the wall material Wa is erected, the protruding portion 15 is not removed, and the protruding portion 15 is present on the side plate portion Pc, so that the erected position of the wall material Wa is shifted from a predetermined position due to the thickness of the protruding portion 15. Can be prevented.

  (4) The wiring box B is fixed to the box fixing surface 25a in a state where the back surface 15a of the protruding portion 15 is in contact with the side plate portion Pc and the contact surface 11a of the mounting portion 11 is in contact with the back plate portion Pb. At this time, the box fixture 10 is configured in accordance with the depth of the wiring box B so that the opening surface Sa of the wiring box B is positioned on substantially the same plane as the side plate portion Pc. That is, in consideration of the depth of the wiring box B, a box fixing device including the box fixing tool 10 and the wiring box B is configured. Therefore, when the wall material Wa is erected so as to contact the side plate portion Pc, the opening surface Sa of the wiring box B can be brought into contact with the back surface of the wall material Wa. As a result, it is possible to prevent the opening side of the wiring box B from projecting from the side plate portion Pc and shifting the standing position of the wall material Wa.

  (5) In a state where the back surface 15a of the protruding portion 15 is in contact with the side plate portion Pc and the contact surface 11a of the mounting portion 11 is in contact with the back plate portion Pb, the protruding portion 15 has the light weight steel material P hand-held. It is arranged at a position where the surface 15b (pressing portion) can be pressed with the thumb when it is gripped with the. For this reason, the box fixture 10 can be held on the lightweight steel P by sandwiching the protrusion 15 with the side plate portion Pc with the thumb (hand). Therefore, when the mounting screw 16 is screwed into the back plate portion Pb, the box fixture 10 is prevented from being displaced with respect to the lightweight steel member P, and the work of attaching the box fixture 10 to the lightweight steel member P is performed. It can be done easily.

(6) In the attachment portion 11, notches 11 b are formed on both sides of the protruding portion 15. For this reason, it is possible to facilitate the bending work of the protruding portion 15.
(7) When the contact surface 11a of the mounting portion 11 is brought into contact with the back plate portion Pb of the lightweight steel P and the back surface 15a of the projecting portion 15 is brought into contact with the side plate portion Pc, the box fixing surface 25a of the fixing piece 21 is obtained. Is arranged so as to extend in a direction orthogonal to the abutting surface 11a, and can face the wall front side of the lightweight partition wall W. And the box fixing tool 10 can be attached to a predetermined attachment position by fixing the attachment screw 16 inserted through the attachment hole 12 to the back plate part Pb. Therefore, for example, as in Patent Document 1, the mounting position of the box fixing tool is obtained using a gauge tool, and compared with a case where temporary fixing of the box fixing tool is required using a double-sided tape at the mounting position, The work of attaching the box fixture 10 to the light-weight shaped steel material P can be easily performed. As a result, the work of attaching the wiring box B to the light-weight shaped steel material P can be easily performed.

  (8) The projecting portion 15 has a flat plate shape as a whole, and when the surface 15b is pressed toward the side plate portion Pc, the projecting portion 15 itself does not rotate on the side plate portion Pc using itself as a rotation axis, and is attached. It is formed in a size that prevents the portion 11 from turning toward the lightweight steel member P and moving backward to the lightweight steel member P. Therefore, the box fixture 10 is prevented from rotating or moving backward by pressing the protruding portion 15 toward the side plate portion Pc.

(Second Embodiment)
Hereinafter, a second embodiment of a box fixture and a method of attaching the box fixture embodying the present invention will be described with reference to FIGS. Note that in the second embodiment described below, the same components as those in the first embodiment described above are denoted by the same reference numerals, and redundant description thereof is omitted or simplified.

  As shown in FIGS. 7-9, the box fixing tool 50 of 2nd Embodiment is formed in the elongate plate shape by the synthetic resin material. The box fixture 50 is configured by integrally forming a mounting portion 51 having a rectangular plate shape and a fixing piece 52 having an elongated plate shape extending from one long side edge of the mounting portion 51. One side surface of the mounting portion 51 forms a contact surface 51a. The mounting portion 51 has a protruding portion 53 extending so as to be orthogonal to the mounting portion 51. The back surface 53a of the protruding portion 53 is in contact with the mounting portion 51. It is continuous and orthogonal to the surface 51a. Further, in the protruding portion 53, a gripping piece 53c that can be gripped by a pliers is provided on the surface 53b opposite to the back surface 53a. A plurality (six in this embodiment) of attachment holes 55 are formed in the attachment portion 51.

  Further, in the attachment portion 51, on both sides of the attachment portion 51, engagement protrusions 51b that can be engaged with the corner portion C between the back plate portion Pb and the side plate portion Pc are formed. In the attachment portion 51, a contact extending in a direction orthogonal to the extending direction of the fixed piece 52 is provided at the center portion of the other long side edge opposite to the one long side edge where the protruding portion 53 is formed. A protruding piece 54 is provided. One surface of the contact protrusion 54 has a flat shape that is continuous with the contact surface 51a. Further, a contact projection piece 56 extending in a direction orthogonal to the extending direction of the fixed piece 52 is provided at the tip of the fixed piece 52. Folding grooves 54a and 56a are formed at the base end portion and the central portion in the length direction at both side edges extending in the length direction of the contact protrusions 54 and 56, respectively. The contact pieces 54 and 56 can be broken off and removed. Further, the fixed piece 52 is formed in an elongated plate shape, and the extending portion 23 and the stepped portion 24 are not formed as in the first embodiment, and the surface facing the attachment portion 51 side of the fixed piece 52 is fixed to the box. A surface 52a is formed, and the box fixing surface 52a is formed so as to be orthogonal to the contact surface 51a.

  In order to attach the box fixture 50 of the second embodiment to the light-weight shaped steel member P, the abutment surface 51a is brought into contact with the back plate portion Pb as the wall portion of the light-weight shaped steel material P, and the back surface of the protruding portion 53 is further provided. 53a is brought into contact with one side plate portion Pc. Then, the lightweight steel P is grasped by hand from the lip portion Pd side, the projecting portion 53 is grasped by hand, the projecting portion 53 is sandwiched between the thumb and the side plate portion Pc, and the box fixture 50 is fixed to the lightweight steel member. Hold at P. In this holding state, the fixing piece 52 extends in a direction opposite to the protruding portion 53 with the attachment portion 51 interposed therebetween. Therefore, when the back surface 53a of the protruding portion 53 is in contact with the side plate portion Pc, the fixing piece 52 is fixed. The box fixing surface 52a can be positioned so as to be orthogonal to the contact surface 51a and to face the wall material Wa standing up later. Next, the mounting screw 16 is inserted into the mounting hole 55, and the mounting screw 16 is screwed into the back plate portion Pb to attach the box fixture 50 to the lightweight steel material P.

  Next, as shown in FIG. 5, the gripping piece 53 c is gripped by a pliers (not shown), and the projecting portion 53 is removed from the mounting portion 51. Next, the lengths of the contact protrusions 54 and 56 are adjusted so that their tips are located on the same plane as the other side plate portion Pc. That is, the front end sides of the contact protrusions 54 and 56 are folded off from the folding grooves 54a and 56a. Then, the wiring box B is fixed to the box fixing surface 52 a of the box fixture 50. At this time, the length from the box fixing surface 52a to the back surface 53a of the protrusion 53 is substantially the same as the depth of the wiring box B. For this reason, when the wiring box B is fixed to the fixing piece 52 with the bottom wall B1 abutting against the box fixing surface 52a, the opening surface Sa of the wiring box B is positioned substantially on the same plane as the back surface 53a of the protruding portion 53. To do. A pair of wall members Wa are erected so that the wall members Wa come into contact with both side plate portions Pc, so that the lightweight partition wall W with the opening surface Sa of the wiring box B in contact with the back surface of the wall member Wa. Is built. At this time, since the tips of the contact protrusions 54 and 56 are in contact with the back surface of the wall material Wa, the inclination of the fixed piece 52 can be prevented, and the wiring box B is disposed without being displaced in a predetermined position. Can do. Further, when the engaging protrusion 51b is engaged with the corner portion C, the wiring box B can be held at a predetermined position together with the protruding portion 15. Therefore, according to the second embodiment, the same effects as the effects (1), (2), (4), (5), (7), and (8) described in the first embodiment are obtained. be able to.

(Third embodiment)
A third embodiment of a box fixture and a method of attaching the box fixture embodying the present invention will be described below with reference to FIGS. Note that in the third embodiment described below, the same components as those in the first embodiment described above are denoted by the same reference numerals, and redundant description thereof is omitted or simplified.

  As shown in FIGS. 10-12, the box fixture 60 of 3rd Embodiment is comprised by assembling | attaching the mounting base 70 to the box fixing member 61 formed by bending a thin steel plate in the shape of an elongate plate.

  First, the box fixing member 61 will be described. The box fixing member 61 has a rectangular plate-like attachment part 62 attached to the mounting base 70 at one end and a pair of side edges of the attachment part 62 facing each other from one side edge. A fixed plate portion 63 having an elongated plate shape is provided integrally. A plurality of (four in this embodiment) through holes 62a are formed on the distal end side of the attachment portion 62, and an attachment screw (not shown) can be inserted into each through hole 62a. Further, two fitting holes 62 b are formed at approximately the center of the attachment portion 62. In addition, in the attachment portion 62, an elongated hole 62c is formed on the distal end side of the fitting hole 62b located on the distal end side of the attachment portion 62, and the attachment portion 62 includes Notches 62d are formed on both sides of the pore 62c.

  Further, the fixing plate portion 63 is provided with a box fixing surface 63a to which the bottom wall B1 of the wiring box B is abutted and to which the wiring box B is fixed. The fixing plate portion 63 extends from the attachment portion 62 so that the box fixing surface 63 a is orthogonal to the plate surface of the attachment portion 62. In addition, a long hole 64 into which a screw (not shown) is screwed to fix the wiring box B is formed in the fixing plate portion 63 so as to extend in the length direction of the fixing plate portion 63.

  Next, the mounting base 70 will be described. The mounting pedestal 70 is integrally provided with a rectangular plate-like pedestal main body 71 made of a synthetic resin material and a protruding portion 72 protruding from the pedestal main body 71. One surface of the pedestal main body 71 constitutes an attachment surface 75 to which the box fixing member 61 is attached. On the mounting surface 75, mounting projections 76 are provided so as to project at right angles to the mounting surface 75 on one side (short side) side of the pedestal main body 71. Both attachment protrusions 76 form an elongated plate shape that extends along the short side of the pedestal main body 71. Further, an attachment projection 77 is formed at one location approximately at the center of the attachment surface 75. The mounting protrusion 77 is formed so as to be able to fit into one of the two fitting holes 62b of the attachment portion 62 when the box fixing member 61 is attached to the mounting surface 75. Yes.

  In the pedestal main body 71, the other surface facing the mounting surface 75 is abutted against the lip portion Pd which is a wall portion of the lightweight steel member P when the mounting pedestal 70 is fixed to the lightweight steel member P. A contact surface 73 is formed. The pedestal main body 71 is formed with a plurality of through holes 74 penetrating the pedestal main body 71 in the thickness direction, and each through hole 74 is formed so that an attachment screw (not shown) can be inserted therethrough. Each through hole 74 has the same length in the penetration direction of the pedestal main body 71 as the thickness of the pedestal main body 71, and the length along the penetration direction of the through hole 74 is inserted into the through hole 74. The mounting screw comes into contact with the inner surface of the through hole 74 so that the mounting screw can be prevented from tilting. In the pedestal main body 71, the projecting portion 72 is integrally formed on an end surface 71 a which is one long side.

  The projecting portion 72 is formed in a flat plate shape as a whole, and is formed in a U shape when viewed from the front. And the protrusion part 72 is connected with the end surface 71a at two places, and the two connection parts to the end surface 71a in the protrusion part 72 are connected on the tip side. That is, a gap is formed between the two connecting portions to the end surface 71a of the protruding portion 72. The protrusion 72 is formed in a flat plate shape so that when the surface 72b is pressed toward the side plate portion Pc, the protrusion 72 itself does not rotate on the side plate portion Pc with its own rotation axis. Further, when the protrusion 72 presses the surface 72b toward the side plate part Pc, the protrusion 72 is pivoted in the direction toward the lightweight steel material P with the protrusion 72 as a rotation center, and the protrusion 72 is It is formed in a size that prevents movement to the side plate portion Pc side (rear side) different from the side plate portion Pc in contact.

  Further, the projecting portion 72 is provided so as to extend in a direction orthogonal to the contact surface 73 from the end surface 71a. The protrusion 72 is extended outward from the pedestal main body 71 so that the front surface 72 b and the back surface 72 a are orthogonal to the contact surface 73. In addition, the surface 72b of the protrusion part 72 is a surface which faces the wall front side of the lightweight partition wall W when the box fixture 60 is attached to the lightweight steel member P, and the back surface 72a of the protrusion part 72 is the surface. It is a surface opposite to 72b. The back surface 72a of the protrusion 72 is continuous with the contact surface 73 of the pedestal main body 71 and is located on the same plane as the end surface 71a.

  The protrusion 72 has a required thickness and is formed so that it can be pressed by an adult male hand, specifically, a finger. When the light-weight shaped steel P is grasped by the hand, the protrusion 72 is held together with the light-weight steel P by the hand. It is formed in a size that can be grasped with a finger and can be held with a finger. Nothing is provided from the surface 72 b of the protrusion 72. For this reason, the surface 72b of the protrusion part 72 is formed in a size suitable for pressing with a finger without causing any inconvenience in pressing with the finger. That is, the protrusion 72 is formed in a size that is neither too small nor too large than the finger.

  And the box fixing member 61 is attached with respect to the mounting base 70, and the box fixing tool 60 is comprised. That is, as shown in FIG. 10, the attachment portion 62 of the box fixing member 61 is fitted between the pair of attachment protrusions 76 and the attachment protrusion 77 is attached to the distal end side of the attachment portion 62. It fits into the hole 62b. Alternatively, as shown in FIG. 12, the attachment portion 62 of the box fixing member 61 is fitted between the pair of attachment projections 76, and the attachment protrusion 77 is fitted on the proximal end side of the attachment portion 62. It fits in the joint hole 62b. The mounting position of the box fixing member 61 with respect to the mounting base 70 is changed according to the depth of the wiring box B fixed to the box fixing member 61 by changing the fitting hole 62b for fitting the mounting protrusion 77 as described above. Can be changed.

  That is, when the depth of the wiring box B is deep, the box fixing member 61 is attached to the attachment base 70 so that the attachment protrusion 77 fits into the fitting hole 62b on the distal end side of the attachment portion 62 (FIG. 10). . On the other hand, when the depth of the wiring box B is shallow, the box fixing member 61 is attached to the attachment base 70 so that the attachment protrusion 77 is fitted in the fitting hole 62b on the proximal end side of the attachment portion 62 (see FIG. 12). When the mounting protrusion 77 is fitted in the fitting hole 62b located on the proximal end side of the attachment portion 62, the attachment portion 62 is inserted into the attachment portion 62 from the pore 62c using the pore 62c and the notch 62d. Break off the tip side. Then, even when the box fixing member 61 is attached to the attachment base 70 so that the attachment protrusion 77 is fitted in any of the fitting holes 62b, the front end surface of the attachment portion 62 and the end surface 71a are substantially flush with each other. It is designed to be located above.

  The box fixing member 61 is attached to the pedestal main body 71 by the attachment protrusion 76 and the attachment protrusion 77, and the attachment pedestal 70 and the box fixing member 61 are assembled to form the box fixture 60. In the box fixture 60, the pedestal main body 71 constitutes an attachment portion that is attached to the wall portion (lip portion Pd) of the light-weight shaped steel material P. The fixing plate 63 of the box fixing member 61 forms a fixing piece extending from the pedestal main body 71 (attachment portion), and the fixing surface on which the wiring box B is fixed by the box fixing surface 63a of the fixing plate 63. Is configured. Therefore, in the box fixture 60 of the third embodiment, the mounting portion (the pedestal main body 71) and the fixing piece (the fixing plate portion 63) are separated from each other (the mounting pedestal 70 and the box fixing). Member 61).

  The contact surface 73 of the pedestal main body 71 constitutes a contact surface that contacts the wall portion (lip portion Pd) of the lightweight steel P, and the box fixing surface 63a is orthogonal to the contact surface 73. As described above, the base body 71 (mounting portion) is extended. In addition, a mounting hole through which a mounting screw is inserted to mount the mounting portion (the pedestal main body 71 and the mounting portion 62) to the wall portion (lip portion Pd) of the lightweight steel P is formed by the through hole 74 and the through hole 62a. Composed. The length of the mounting hole (through hole 74 and through hole 62a) along the penetrating direction is such that the mounting screw inserted through the mounting hole contacts the inner surface of the mounting hole to prevent the mounting screw from tilting. The length is possible.

  And the protrusion part 72 provided in the base main body 71 comprises the protrusion part of the box fixing tool 60, and this protrusion part 72 is extended in the direction opposite to the fixing plate part 63. FIG. The length from the box fixing surface 63a to the back surface 72a of the protrusion 72 is substantially the same as the depth of the wiring box B.

  Now, in order to attach the box fixture 60 of the third embodiment to the lightweight steel member P, as shown in FIG. 10, the abutment surface 73 of the pedestal main body 71 is used as a lip portion as a wall portion of the lightweight steel member P. Contact with Pd. Further, the back surface 72a of the protruding portion 72 is brought into contact with the outer wall surface of the side plate portion Pc, which is another wall portion adjacent to and orthogonal to the lip portion Pd in the lightweight steel P. At this time, the through hole 62a and the through hole 74 (attachment hole) are provided at positions facing the lip portion Pd adjacent to the side plate portion Pc with which the back surface 72a of the protruding portion 72 abuts.

  Then, the lightweight steel P is grasped by hand from the back plate portion Pb side, and the projecting portion 72 is grasped by hand, and the front surface 72b (pressing portion) of the projecting portion 72 is pressed by the thumb, and the back surface 72a of the projecting portion 72 is The mounting base 70 is held by the lightweight steel P by pressing against Pc. Further, the mounting base 70 is held by the light-weight shaped steel material P, so that the box fixing member 61 attached to the mounting base 70 is also held by the light-weight shaped steel material P. In this holding state, the fixing plate portion 63 extends in a direction opposite to the protruding portion 72 with the pedestal main body 71 interposed therebetween. Therefore, when the back surface 72a of the protruding portion 72 is in contact with the side plate portion Pc, the fixed plate portion 63 is fixed to the box. The surface 63a can be positioned so as to be orthogonal to the contact surface 73 and face the wall material Wa standing upright later.

  The protrusion 72 has a flat plate shape as a whole and is formed in a U-shape when viewed from the front. That is, when the protrusion 72 presses the surface 72b toward the side plate portion Pc (another wall portion), the protrusion 72 itself does not rotate on the side plate portion Pc around itself as a rotation axis. Is formed. Further, since the projecting portion 72 is connected to the end surface 71a of the pedestal main body 71 at two locations, the projecting portion 72 contacts the side plate portion Pc at a position away from the standing direction of the lightweight steel material P. It touches. Therefore, for example, when the surface 72b of the protrusion 72 is pressed toward the side plate portion Pc as in the case where the protrusion 72 is formed as a single thin plate, the protrusion 72 itself is used as the rotation axis. It can prevent rotating on the side plate part Pc.

  In addition, when the protrusion 72 presses the surface 72b toward the side plate portion Pc (another wall portion), the protrusion 72 faces the opening Pa of the lightweight steel material P of the pedestal main body 71 with the protrusion 72 as a rotation center. It is formed in such a size that prevents the rotation and the rearward movement of the lightweight steel P. For this reason, by pressing the protruding portion 72 with the thumb and sandwiching the protruding portion 72 between the thumb and the side plate portion Pc, the pedestal main body 71, that is, the mounting portion of the box fixture 60 is rotated, and the light weight shaped steel material. Intrusion into the inside of the opening Pa in P is prevented. Therefore, the box fixing tool 60 can be held so that the box fixing surface 63a faces the front side of the lightweight partition wall W, and the box fixing tool 60 can be positioned at a predetermined mounting position.

  Next, an attachment screw (not shown) is inserted into the through hole 74 from the through hole 62a of the attachment portion 62, and the attachment screw 16 is screwed into the lip portion Pd. Then, the mounting base 70 is fixed to the lightweight section steel P, and the box fixture 60 (box fixing member 61) is attached to the lightweight section steel P. Thereafter, the protruding portion 72 is removed from the pedestal main body 71 by holding the protruding portion 72 with a pliers and bending it. At this time, since the protrusion 72 is connected to the end surface 71a at two locations, the protrusion 72 can be easily bent and the removal work of the protrusion 72 can be easily performed.

In addition, you may change the said embodiment as follows.
(Circle) the box fixture 10 of 1st Embodiment may insert the attachment part 11 side in the lightweight shape steel P from the opening part Pa of the lightweight shape steel P, and may attach it. At this time, as shown in FIGS. 13 and 14, the attachment portion 11 is inserted into the light-weight shaped steel member P in a state where the protruding portion 15 is folded back to the fixing piece 21 side so as to be orthogonal to the attachment portion 11. And if the contact surface 11a of the attachment part 11 is made to contact | abut to the inner surface of the backplate part Pb, the back surface 15a of the protrusion part 15 will contact | connect the inner surface of the side plate part Pc. In this contact state, the box fixture 10 is positioned so that the box fixing surface 25a faces the front side of the wall. Further, the extending portion 23 comes into contact with the lip portion Pd. At this time, the length of the stepped portion 24 from the extending portion 23 to the fixed portion 25 is substantially the same as the length of the lip portion Pd of the lightweight steel material P. For this reason, when the extending part 23 contacts the lip part Pd, the surface of the fixing part 25 opposite to the box fixing surface 25a is located on the same plane as the side plate part Pc. Therefore, in a state where the wiring box B is fixed to the box fixing surface 25a, the opening surface Sa of the wiring box B is located on the same plane as the one side plate portion Pc, and the fixing portion 25 is the same plane as the other side plate portion Pc. Located on the top.

  Therefore, the fixing piece 21 is formed with a stepped portion 24, and the extending portion 23 and the fixing portion 25 are formed in two steps by the stepped portion 24. And when the attachment part 11 is inserted inside the light-weight shaped steel P and the box fixture 10 is attached, the fixing part 25 is brought into contact with the lip part Pd by bringing the extending part 23 into contact with the lip part Pd. It can arrange | position in the position shifted | deviated. Furthermore, when the wiring box B is fixed to the fixing portion 25, the opening surface Sa of the wiring box B is positioned substantially on the same plane as the side plate portion Pc of the lightweight steel material P. Therefore, when the fixing portion 21 is not formed with the stepped portion 24 and the mounting position of the mounting portion 11 is adjusted so that the opening surface Sa of the wiring box B is positioned substantially on the same plane as the side plate portion Pc of the lightweight steel P. Compared to the above, the installation work of the wiring box B using the box fixture 10 can be simplified.

  In the first embodiment, the box fixture 10 may be attached by inserting the attachment portion 11 side into the lightweight shape steel P from the opening Pa of the lightweight shape steel P. At this time, the protruding portion 15 is removed from the mounting portion 11, and the mounting portion 11 is inserted into the lightweight steel material P.

  ○ In the second embodiment, the box fixing tool 50 is inserted in the lightweight steel P from the opening Pa of the lightweight steel P with the protruding portion 53 removed from the mounting 51. It may be attached.

  ○ In the third embodiment, the box fixture 60 has the protruding portion 72 removed from the mounting portion (the pedestal main body 71), and the mounting portion side is moved from the opening Pa of the lightweight steel P into the lightweight steel P. You may insert and attach.

  As shown in FIG. 15, in the box fixture 10 of the first embodiment or the box fixture 50 of the second embodiment (only the box fixture 10 of the first embodiment is shown in FIG. 15), the mounting portion The contact surfaces 11a, 51a of the 11, 51 are brought into contact with the lip portion Pd of the lightweight steel P as the wall portion. Furthermore, even if the box fixtures 10 and 50 are attached to the lightweight steel P in a state where the back surfaces 15a and 53a of the projecting portions 15 and 53 are separate wall portions and are in contact with the side plate portion Pc adjacent to the lip portion Pd. Good. In this case, the mounting holes 12 and 55 are provided at positions facing the lip portion Pd adjacent to the side plate portion Pc with which the back surfaces 15a and 53a of the protruding portions 15 and 53 abut. For this reason, just by inserting the mounting screw 16 into the mounting holes 12 and 55, the mounting screw 16 can be guided to the lip portion Pd, and the mounting screw 16 can be screwed into the lip portion Pd as it is. The workability of the work of attaching 50 to the light-weight shaped steel P can be improved.

  In the first to third embodiments, the length from the box fixing surfaces 25a, 52a, 63a to the back surfaces 15a, 53a, 72a of the protrusions 15, 53, 72 is longer than the depth of the wiring box B. Also good.

(Circle) in 1st Embodiment, the level | step-difference part 24 of the fixed piece 21 does not need to be formed.
In the second embodiment, the contact protrusions 54 and 56 may be deleted.
In the first embodiment, the attachment portion 11 of the box fixture 50 is brought into contact with the back plate portion Pb of the lightweight steel P, and the back surface 15a of the protruding portion 15 is brought into contact with the side plate portion Pc. In this state, an engaging protrusion 51b that engages with the corner portion C between the back plate portion Pb and the side plate portion Pc may be formed.

  In the third embodiment, the abutment surface 73 is brought into contact with the lip portion Pd (or the back plate portion Pb) of the lightweight steel P on the end surface 71a of the pedestal main body 71 serving as the attachment portion, and the back surface of the protruding portion 72 Even when an engagement protrusion is formed that engages a corner portion between the lip portion Pd (or the back plate portion Pb) and the side plate portion Pc in a state where the 72a is in contact with the outer wall surface of the side plate portion Pc. Good.

  In each embodiment, the wiring box B is a frame-shaped type that does not have the bottom wall B1 and that the box opening S that is formed only by the side wall B2 opens toward two opposite faces (front and rear faces). Also good. That is, the wiring box B may be a type having the opening surface Sa on both front and rear surfaces.

In the third embodiment, the box fixture 60 may be attached to the lightweight steel member P in a state where the contact surface 73 of the pedestal main body 71 is in contact with the back plate part Pb of the lightweight steel member P.
In 3rd Embodiment, you may form so that the protrusion part 72 in the mounting base 70 can be bent toward the stationary plate part 63 (fixed piece) side.

Next, the technical idea that can be grasped from the above embodiment and other examples will be described below.
(1) A wiring box having an opening surface on at least one surface, and a plurality of light-weight shaped steel materials standing at intervals, and the wiring box on a light-weight partition wall formed by providing wall materials so as to sandwich the light-weight shaped steel materials A box fixing device comprising a box fixture attached to the lightweight steel member for installation, the box fixture extending from the attachment portion attached to a wall portion of the lightweight steel member And a fixing piece having a box fixing surface to which the wiring box is fixed, and the attachment portion includes an abutting surface for abutting against the wall portion, and an attachment member for attaching the attachment portion to the wall portion A mounting hole is formed, and the fixing piece extends from the mounting portion so that the box fixing surface is orthogonal to the contact surface of the mounting portion, and the fixing piece includes the fixing piece. Conflict with A protruding portion extending in a direction extending in a direction in which the back surface continuous with the contact surface is adjacent to the wall portion in a state where the contact surface is in contact with the wall portion of the lightweight steel material. And in a state where the wiring box is fixed to the fixed piece, the opening surface of the wiring box is substantially flush with the other wall portion of the lightweight steel material. The box fixing device in which the length from the box fixing surface of the fixing piece to the back surface of the protruding portion is set to be substantially the same as the depth of the wiring box so as to be positioned at the position.

  (2) The mounting portion is light in a state where the mounting portion is brought into contact with a wall portion of a lightweight steel material and the back surface of the protruding portion is brought into contact with an outer wall surface of another wall portion of the lightweight steel material. The box fixture according to any one of claims 1 to 8, wherein an engaging protrusion is formed to engage with a corner portion between a wall portion of the shape steel material and the other wall portion.

The perspective view which shows the state which attached the box fixture of 1st Embodiment to the lightweight shape steel material. The top view which shows the state which hold | maintained the box fixture to the lightweight shape steel material. The top view which shows the state which positioned the box fixture in the lightweight shape steel material. The top view which shows the state which attached the box fixing tool to the lightweight shape steel material with the installation screw. The top view which shows the state which bent the protrusion part. The top view which shows the state which fixed the wiring box to the box fixture. The perspective view which shows the state which attached the box fixture of 2nd Embodiment to the lightweight shape steel material. The perspective view which shows the box fixing tool which broke off and removed the protrusion part. The perspective view which shows the state which broke off the contact protrusion. The perspective view of the state which hold | maintained the box fixture of 3rd Embodiment to the lightweight shape steel material. The perspective view which shows a box fixing member and a mounting base. The perspective view which shows the box fixing tool of 3rd Embodiment. The top view which shows another example of the attachment method of a box fixing tool. The top view which shows another example of the attachment method of a box fixing tool. The perspective view which shows another example of the attachment method of a box fixing tool.

Explanation of symbols

B: Wiring box, P: Lightweight steel, Pa ... Opening, Pb ... Back plate as a wall, Pc ... Side plate as another wall, Pd ... Lip as a wall, Sa ... Opening , W ... lightweight partition wall, Wa ... wall material, 10, 50, 60 ... box fixture, 11, 51 ... mounting portion, 11a, 51a, 73 ... abutting surface, 12, 55 ... mounting hole, 15, 53, 72 ... Projection, 15a, 53a, 72a ... Back, 15b, 53b, 72b ... Front as pressing part, 16 ... Mounting screw as mounting member, 21, 52 ... Fixing piece, 25a, 52a, 63a ... Box fixing surface , 62a... A through hole constituting the attachment hole, 63... A fixing plate part constituting the fixing piece, 71... Pedestal main body constituting the attachment part, and 74.

Claims (12)

In order to install a wiring box having an opening surface on at least one surface on a light-weight partition wall in which a plurality of light-weight steel materials are set up at intervals and wall materials are provided so as to sandwich the light-weight steel materials A box fixture attached to a steel material,
An attachment portion attached to a wall portion of the lightweight steel material;
A fixed piece that extends from the mounting portion and has a box fixing surface to which the wiring box is fixed;
The attachment portion includes an abutment surface that abuts the wall portion, an attachment hole through which an attachment member for attaching the attachment portion to the wall portion is inserted, and the box fixing surface of the fixing piece is the attachment portion. Extending from the mounting portion so as to be orthogonal to the contact surface of
The mounting portion is provided with a projecting portion extending in a direction opposite to the fixed piece, and the back surface of the projecting portion continuous to the abutting surface is in contact with the wall portion of the lightweight steel material. In this state, the box fixture is formed so as to abut against another wall portion that is adjacent to and orthogonal to the wall portion. The projecting portion is gripped by the hand with the lightweight steel member in a state where the abutting surface is in contact with the wall portion of the lightweight steel member and the back surface of the projecting portion is in contact with the other wall member. A pressing portion is formed on the surface of the protruding portion so that the back surface of the protruding portion can be pressed against another wall portion of the lightweight steel material in a state where the protruding portion is held together with the lightweight steel material by hand. The box fixture according to claim 1 provided. The box fixture according to claim 1, wherein the protruding portion is formed to be removable from the mounting portion. The box fixture according to claim 1, wherein the protrusion is formed so as to be bendable toward the fixing piece. In the state where the abutting surface is brought into contact with the wall portion and the back surface of the protruding portion is brought into contact with another wall portion of a lightweight steel material, and the wiring box is fixed to the fixing piece, the opening surface is lightweight. The length from the box fixing surface of the fixed piece to the back surface of the protruding portion is set to be substantially the same as the depth of the wiring box so as to be positioned on substantially the same plane as another wall portion of the steel material. The box fixture according to any one of claims 4 to 5. The wall portion of the light-weight shaped steel material is composed of a pair of lip portions forming an opening extending in the standing direction of the light-weight shaped steel material, the abutting surface is brought into contact with the lip portion, and the back surface of the protruding portion is The said attachment hole is formed in the position facing the another wall part of the lightweight shape steel material in the position facing the lip part adjacent to the said another wall part in the said attachment part. The box fixture according to any one of the above. The box fixture according to claim 6, wherein the attachment portion is formed so as to be insertable from the opening to the inside of the lightweight steel member in a state where the protrusion is removed or bent from the attachment portion. The box fixture as described in any one of Claims 1-7 comprised from the separate body formed so that the said attachment part and the said fixing piece could mutually be assembled | attached. In order to install a wiring box having an opening surface on at least one surface on a light-weight partition wall in which a plurality of light-weight steel materials are set up at intervals and wall materials are provided so as to sandwich the light-weight steel materials A method of mounting a box fixture to be attached to a steel material to the lightweight steel material,
The box fixture is attached to a wall portion of the lightweight steel material; and
A fixing piece provided with a box fixing surface that extends from the mounting portion and to which the wiring box is fixed, and the mounting portion includes a contact surface that contacts the wall portion, An attachment hole is formed through which an attachment member attached to the wall portion is inserted, and the fixing piece extends from the attachment portion so that the box fixing surface is orthogonal to the contact surface of the attachment portion, The mounting portion is provided with a protruding portion extending in a direction opposite to the fixed piece,
The abutting surface is brought into contact with the wall portion, and the fixing piece is disposed so that the box fixing surface is orthogonal to the abutting surface of the mounting portion, and is continuous with the abutting surface at the protruding portion. The back surface is brought into contact with another wall portion that is adjacent to and orthogonal to the wall portion with which the contact surface is in contact, and the attachment member is inserted into the attachment hole, and the attachment portion is made into the wall portion by the attachment member. How to attach the box fixtures to be attached to. The method for attaching a box fixture according to claim 9, wherein, after the attachment portion is attached to the wall portion, the protruding portion is bent toward the fixed piece side to be excluded from the lightweight steel member. The attachment method of the box fixing tool of Claim 9 which removes the said protrusion part from the said attaching part after attaching the said attaching part to a wall part. In a state where the abutting surface is brought into contact with the wall portion of the lightweight steel member and the back surface of the protruding portion is brought into contact with the other wall portion, the protruding portion is grasped by the hand together with the lightweight steel member. The method for attaching a box fixture according to any one of claims 9 to 11, wherein the back surface of the box fixture is pressed against another wall portion of the lightweight steel member to hold the box fixture on the lightweight steel member.

Images