JP6426055B2 - Fixture fixture - Google Patents

Description

  The present invention relates to a fixture that is inserted from a wall surface into a wall hole formed in a wall material and attached to the wall material.

  As a wiring box which is a kind of the fixture of the above-mentioned composition, a thing indicated by patent documents 1 is known. The wiring box includes a holding piece that is drawn to the back side of the wall material by rotation of a screw rotatably supported without advancing and retracting to the box main body, and the holding piece and the front opening of the box main body The box body is attached to the wall material by holding the wall material from the front and back between the holding ridges provided on the side.

  When inserting the box body from the wall hole of the wall material to the wall back, the sandwiching piece is accommodated in the box body, and rotates with the screw by a predetermined angle by turning the screw, It protrudes outside the box body.

  Therefore, when an obstacle such as a conduit, stud or crosspiece in a wall is present at a position where the clamping piece protrudes outside the box main body, the clamping piece interferes with the obstacle and the wall It can not be pulled to the back side of the material, and the relevant part of the box body can not be fixed to the wall material.

Unexamined-Japanese-Patent No. 2006-60888

  In the present invention, even when an obstacle is present at the protruding position of the clamping piece for attaching the fixing body to the wall material, the fixing body is attached to the wall material by shifting the projecting position of the clamping piece. The task is to make it possible.

  Invention of Claim 1 for solving the above-mentioned subject is provided with a fixture main part which has a fixture fixing part for fixing a fixture, and it is inserted from a wall surface in a wall hole formed in a wall material, and the wall material concerned A fixture fixing member attached to the wall, and the fixing fixture main body includes a sandwiching ridge which abuts against a wall surface, and the wall for attaching the fixture primary to the wall material in cooperation with the sandwiching ridge. A clamping piece which can be advanced and retracted with respect to the material and disposed on the back of the wall, and a screw which is rotatably supported in a state where the clamping device does not advance and retract and which is screwed with the proximal end of the clamping piece And a guide portion for guiding the advancing and retracting the holding piece in which the base end portion is screwed with the screw, and the holding pieces rotate together by the rotation of the screw and disturb the insertion of the fixing device main body into the wall hole. The screw can be rotated relative to the screw between the non-holding position where it does not become and the holding position where it can hold the wall material In addition, the guide portion is configured to be able to move back and forth with respect to the wall material by the rotation of the screw, and in the guide portion, the holding piece is rotated with respect to the screw to hold the wall material in a normal holding position A first contact portion for bringing the sandwiching piece into contact, and a first guide path for guiding the advancing and retracting of the sandwiching piece in a state where the sandwiching piece is in contact with the first contact portion, The contact portion is formed so as to be removable, and the removal of the first contact portion causes the sandwiching piece to rotate to a sandwiching position different from the sandwiching position beyond the sandwiching position and abut on the second It is characterized in that a second guide path for guiding the advancing and retreating of the holding piece is formed in a state in which the holding piece is in contact with the contact portion and the second contact portion.

  According to the invention of claim 1, when an obstacle such as a conduit or a crosspiece in a wall is present at the normal sandwiching position of the sandwiching piece in which the base end is screwed to the screw, the fastener body By removing the first contact portion, the pinching position of the pinching piece disposed on the back of the wall is changed to another pinching position that does not interfere with the obstacle. Thereby, in a state where the clamping pieces are arranged at the non-clamping position in the fixing tool main body, by inserting the fixing tool main body into the wall hole of the wall material, the holding ridge portion of the fixing tool main body can be When the screw is brought into contact and rotated in this state, the clamping piece, which has been disposed at the non-clamping position of the fixing device main body at the beginning of rotation, rotates with the screw by a predetermined angle. (2) By being rotated until coming into contact with the contact portion, it is arranged at another holding position which is different from the normal holding position and does not interfere with the obstacle.

  In this state, when the screw is rotated, the pinching piece is guided by the second guide path while in contact with the second contact portion and advances until it abuts against the back of the wall, and in this state, the screw is tightened strongly The wall material is sandwiched between the clamping ridge portion of the wall surface and the clamping piece in the wall, and the portion where the clamping piece of the fixing device main body is disposed is fixed to the wall material. In the state where the clamping piece is disposed in the normal clamping position in which the clamping piece abuts on the first contact portion, when there is no obstacle, the clamping piece guided by the first guide path by the rotation of the screw is a wall It is moved to the back side, and the wall material is held in the normal holding position by the holding portion and the holding piece.

  Thus, according to the invention of claim 1, when an obstacle is disposed at a normal nipping position of the nipping piece, the nipping position of the nipping piece is obstructed by the removal of the first contact portion. Since the clamping position can be changed to another clamping position that does not interfere with the object, the fixture can be firmly attached to the setting position of the wall material with or without the obstacle in the wall.

  The invention of claim 2 is the invention according to claim 1, wherein the fixture is a wiring box, includes a bottom wall and a side wall erected from the bottom wall, and has a bottom having an opening at the front. A box main body formed in a square box shape is provided, the guide portion is formed at a corner of the box main body, and the holding piece is from the storage position accommodated in the box main body to the holding position protruding from the side wall It is characterized in that it is configured to be rotatable and to be projected from another side wall adjacent to the side wall by removing the first contact portion.

  The invention of claim 2 is the case where the fixture is a box with a box with a bottom, and in the normal pinching position, the pinching piece protrudes from the side wall of the box body, but there is an obstacle near the side wall In the presence of an object, the holding piece protrudes from another side wall adjacent to the side wall of the box body by removing the first contact portion, and does not interfere with the obstacle, and The box body can be firmly attached to the wall by clamping with the clamping pieces.

  According to the invention of claim 3, in the invention of claim 2, the horizontal side wall constituting the corner portion is continuously provided with a connecting portion thinner than the side wall, and the first contact portion is The connector is characterized in that the connector is a removable knockout part.

  In the first aspect of the present invention, the first contact portion is a knockout which can be removed only when an obstacle is present in the vicinity of the fixing device main body and the obstacle interferes with the holding piece at the holding position. Since it is a part, when the sandwiching piece is disposed in the normal sandwiching position, the first contact part is left as it is without being removed. According to the third aspect of the present invention, even when the first contact portion is left and used, the connecting portion provided on the horizontal side wall for removing the first contact portion is thinner than the other portions. However, since they are continuously provided, the strength of the corners of the box body is hardly reduced, and the strength of the conventional structure can be maintained.

  According to the present invention, in the case where an obstacle is disposed at the normal pinching position of the pinching piece, the pinching piece is removed by removing the first contact portion that causes the pinching piece to be disposed at the normal pinching position. Since the clamping position of can be changed to another clamping position which does not interfere with the obstacle, the fixture can be firmly attached to the wall material with or without the obstacle in the wall.

Wiring box B ₁ according to the present invention is a perspective view of a state attached to avoiding the wall material W interference between conduit 84. It is a perspective view of a wiring box B ₁ according to the present invention. Each contact plate portion 3a of a cutoff portion of the wiring box B ₁ according to the present invention the lower lateral side walls 3 and upper lateral side walls 4, 4a is cut, another sandwiched holding piece A ₁ is the normal gripping position It is a perspective view of the state arrange | positioned in position. It is a front view of the wiring box B ₁ according to the present invention. Wiring box B ₁ according to the present invention is X-X in sectional view taken along line of FIG. 4 in a state mounted on the wall material W. (A) is a partial side view of the wiring box B ₁ in a state in which the holding piece A ₁ is normally placed in the clamping position, Y ₁ -Y (b) and (c) are respectively (a) it is a cross-sectional view of _a wire and Y ₂ -Y ₂ line. (A), each contact plate portions 3a, 4a is cut, there is the normal clamping position a partial side view of the wiring box B ₁ in a state in which clamping pieces A ₁ to a different clamping position is disposed (B) and (c) are cross-sectional views of the Z ₁ -Z ₁ line and the Z ₂ -Z ₂ line of (a), respectively. It is a perspective view of another wiring box B ₂ according to the present invention. It is also a front view. It is a perspective view before inserting the frame F for wiring which concerns on this invention with which the wiring fixture C was attached in the wall hole 86. As shown in FIG. It is the perspective view which fractured a part of the state where the flame | frame F for wiring which concerns on this invention with which the wiring fixture C was attached was attached to the wall material W. As shown in FIG. It is the perspective view which looked at the upper clamping part of the same state from the back side. It is a rear view of the upper part of the frame F for wiring.

  Hereinafter, the present invention will be described in more detail with reference to a plurality of best examples.

In FIGS. 1 to 5, the wiring box B ₁ of the first embodiment is “one piece” for mounting one wiring device, and is formed by injection molding of a resin, and is a vertically elongated rectangular bottom wall 1. A box main body 10 in the form of a box with a bottom with a circumferential wall 2 standing at the periphery of the box; said circumferential wall 2 is a pair of lower horizontal side wall 3 and upper horizontal side wall 4 opposite in the vertical direction; And a rectangular box opening 6 is formed on the front surface. The bottom wall 1 is provided with a pair of upper and lower circular knockout parts 8 for forming circular holes 7 (see FIGS. 1 and 5) for drawing the electric wire 81 into the box main body 10. As shown in FIGS. 2 to 4, a pair of thin connecting portions 9 are provided to face each other at a portion where the phase is different by 180 ° along the circumferential direction, and a large striking force is applied to the circular knockout portion 8. Then, the pair of connection parts 9 are broken, and the circular knockout part 8 is removed (knocked out) to form the circular hole 7.

  A pair of bosses 11 for attaching a wiring device (both not shown) are provided opposite to each other on the inner side of the central portion in the width direction of the upper and lower horizontal side walls 3 and 4. In the front end face of the vertical side wall 5 facing the box opening 6, a narrow plate-like holding flange 12 in the form of a flange plate is protruded outward in parallel with the bottom wall 1 except for the upper and lower end portions. Thus, the sandwiching collar 12 is disposed in the vertical direction. A notch 12 a is formed at the central portion in the length direction (vertical direction) of the holding flange 12.

Box body 10, each opposing corner portions along one diagonal direction and a pair of holding pieces A ₁ disposed on (a corner portion), a pair of right and left clamping Jitsuba portions provided on both sides of its box opening 6 12, the wall material W is attached to the wall material W by holding the wall material W from the front and back. Wiring box B ₁ represents, in order to be "for one", without placing the clamping pieces A ₁ to all corners of the box body 10, the required mounting force. Each opposing corner portions along one diagonal direction of the box body 10, with the box body 10 is inserted into the wall holes 82 of the wall material W, the clamping piece A ₁ with respect to the rear surface of the wall member W when advancing and retracting, the first guide passage G ₁ hollow to permit the forward and backward movement is formed. That is, as shown in FIGS. 2 and 6, the first guide passage G ₁ is a intruded form inside the box body 10, in cross section have a bend in an L-shape, the vertical side walls 5 and the lower A hollow portion which is formed by a guide wall 13 connecting the lateral side wall 3 or the upper lateral side wall 4 and a portion forming the corner of the lower lateral side wall 3 or the upper lateral side wall 4 and which opens only laterally. That is, the box body 10 is formed in the depth direction (depth direction). Lower horizontal portion forming a corner portion of the side wall 3 or the upper lateral side walls 4, by the rotation of the countersunk screw D ₁ of the later, the holding piece A ₁ by rotating together, abutting the end face of the base end support part 21 It is to, and has a contact plate portion 3a for the clamping pieces a ₁ defines the arrangement under normal clamping position laterally (4a). Each contact plate section 3a (4a) has a "first contact portion" for determining the normal clamping position of the clamping piece A _1. Here, de first guideway G ₁ to allow forward and backward movement of the holding piece A _1, the abutting plate section 3a for regulating the co-rotation position of the clamping piece A ₁ (4a), in claim 1 formed a "guide portion" specified, the "guide portion", by rotation of the countersunk screw D _1, while preventing the co-rotation of the countersunk screw D nipping pieces a ₁ screwed to _1, the the clamping piece a ₁ functions to allow forward and backward movement relative to the wall member W.

Each opposing corner portions along a diagonal direction of the box body 10, that along the depth direction of the box body 10 to form a guiding path G ₁ wherein the first, each corner portion is formed in a boss-like The conical hole portion 15 (see FIG. 5) for inserting and arranging the dish-like head portion D ₁ a of the countersunk screw D ₁ is formed in the boss portion 14, and the head portion in the conical hole portion 15 is formed. With the D ₁ a inserted and disposed, the countersunk screw D ₁ is rotatably supported at both ends by the boss 14 and the bottom wall 1. Tip of the countersunk screw D ₁ is not penetrate the bottom wall 1, by the two ends supporting of the countersunk screw D _1, the countersunk screw D ₁ is the deeper against the box main body 10 is immovable On the front side, both ends are supported in a retractable state.

Clamping piece A ₁ is a obtained by bending a metal plate, integrally in a state in the first guideway G ₁ to be inserted positionable proximal support part 21 in the horizontal arrangement attitude sandwiching plate portion 22 is bent a shape provided on said base support plate portion 21 in the countersunk screw D ₁ is supported by being screwed, the width of the base end support part 21 is high in the first guideway G ₁ they become slightly smaller than the dimension, a portion opposite the holding plate 22 relative to the threaded portion, a semicircular plate shape so as to be rotatable in the first guide passage G ₁ It is formed. Holding plate portion 22 is a portion abutting against a state pressed against the wall behind the wall material W, or a state in which the holding piece A ₁ is laterally disposed, the lower edge of the holding plate 22, the base end support plate Although connected linearly with the portion 21, the edge of the portion disposed above is inclined so that the whole is wider than the proximal support plate portion 21. Proximal support plate portion 21 is orthogonal to the axis of countersunk screw D _1, clamping plate 22, to facilitate contact in a state pressed against the wall behind the wall material W, countersunk screw It is slightly in a non-perpendicular to the axis of D _1. That is, the holding plate portion 22 is slightly inclined toward the back side of the wall with respect to the base end support plate portion 21, and a plurality of small protrusions 22 a are provided on the surface of the holding plate portion 22 that abuts the back wall. It is provided.

When mounting the box body 10 to the wall material W, and in the mounted state, the clamping piece A _1, by sandwiching the wall material W in cooperation with the clamping Jitsuba portion 12 of the box body 10, the wall material to enable mounting the box body 10 in W, it is necessary to project outwardly from the box body 10, the clamping piece a ₁ is the box body wall holes 82 from the wall table of wall material W when inserting the 10, the clamping piece a ₁ is accommodated in the box main body 10, it is necessary to place in a non-clamping position. Therefore, as shown in FIG. 6 (b) and 7 (b), around the axis of the countersunk screw D _1, as capable of accommodating the holding piece A ₁ is rotated into the box main body 10 , the portion that inhibits the rotation of the gripping piece a _1, i.e., the horizontal portion and the curved portion of the guide wall portion 13 of the innermost part of forming the first guideway G _1, and the first guideway G The vertical side wall 5 of the box main body 10 continuous with the side opening 31 of ₁ is dropped to form the sandwiching piece storage opening 32.

By rotation of the countersunk screw D _1, each clamping piece A ₁ is the innermost of the box body 10, by being housed through clamping piece housing opening 32 in the box body 10, are arranged in the non-clamping position There is. In this state, in order to attach the box body 10 to the wall material W, when the box body 10 is inserted into the wall hole 82 from the wall surface of the wall material W, each pinching ridge 12 on both sides of the box opening 6 Table abuts the portion facing the wall holes 82 in, in this state, countersunk screw D by engaged with the tip of the screwdriver 83 in ₁ head D ₁ a, the countersunk screw D ₁ in a predetermined direction (countersunk screw D If ₁ is a right screw, is rotated in the clockwise direction), as shown in FIG. 6, at the beginning rotation of the countersunk screw D _1, holding piece a ₁ is equivalent to the contact plate section 3a (4a) to contact and rotating together with the countersunk screw D ₁ by approximately 90 °, and projects from the box body 10 on the outside, is arranged substantially horizontally. Is thereafter, by holding piece A ₁ abuts the abutment plate portion 3a (4a), in unrotatable state, if the countersunk screw D ₁ is further rotated in the same direction, sandwiching piece A ₁ is abutting While being in contact with the plate portion 3a (4a), it is moved to the box opening 6 side, and the sandwiching plate portion 22 is in contact with the back surface of the wall material W. In this state, when tightening the countersunk screw D ₁ more strongly, as shown in the left half in FIG. 5, the box body 10, in the portion of the opposing corner portions along the diagonal direction, clamping Jitsuba of the wall table by sandwiching the wall material W between 12 and clamping piece a ₁ of Kabeura is attached to the wall material W. Incidentally, to facilitate rotating together with the clamping piece A ₁ Gasara bis D _1, a portion of the threads of the distal end portion of the countersunk screw D ₁ (portion close to the bottom wall 1 of the box body 10) are crushed lightly .

Here, in the wall, a conduit 84, a stud, a crosspiece (not shown) disposed between the studs, etc. are disposed, and a box body in which each of these members is disposed in the wall when present in the vicinity of the longitudinal side walls 5 of 10, these members are for forward and backward movement of the clamping piece a ₁ projecting from the box main body 10 in the transverse direction becomes "obstacle", sandwiching not attracted a single-a ₁ on the side of the wall material W. As a result, if there is an obstacle on one part of the pair of clamping pieces A _1, the box body 10 to the wall material W is mounted in a state of single fixed, it becomes unstable. Incidentally, when there is an obstacle in the vicinity of both of the pair of clamping pieces A ₁ can not mount the box body 10 with respect to the wall material W.

Accordingly, the present invention is to eliminate the abutment plate portion 3a (4a) from the lower lateral side wall 3 or the upper lateral side wall 4 of the box body 10, based on the posture of pinching pieces A ₁ in the box body 10 is accommodated a manner, the clamping pieces a ₁ substantially by a half turn, that protrudes below the lower lateral side wall 3 of the box body 10, or above the upper lateral side walls 4, namely, clamping position of the back side of the wall material W Is made to avoid interference with the conduit 84 which is an obstacle.

That is, as shown in FIGS. 2 and 6, on the lower surface of the lower horizontal side wall 3 to form the corners of the box body 10, so that the entire first bottom guideway G ₁ is removable, bottom view A shallow breaking groove 33 is formed, which is U-shaped overall and has a right triangle in cross section. Taking folding the contact plate portion 3a of the part lower lateral side wall 3 of the folding-up groove 33, as shown in FIG. 7, the first guide path G bottom opening 34 to ₁ is formed, the box body 10 based on the posture holding piece a ₁ is housed, the clamping piece a _1, the second contact portion 35 is formed on the folded-up surface that contacts and rotates together by approximately half a turn by countersunk screws D ₁ . Part of the bottom opening 34 to be connected to the lower first guide path G ₁ is a second guideway G ₂ for moving the guide clamping piece A ₁ posture projecting downward relative to the box body 10. The folding groove 33 having a right-angled triangular shape in a cross sectional view is formed such that one of the remaining two sides that are not the oblique side is perpendicular to the lower lateral wall 3 or the upper lateral wall 4. When the contact plate portion 3a (4a) is broken and removed at a portion 33, the folding surface forming the second contact portion 35 is perpendicular to the plate surface of the lower horizontal side wall 3 or the upper horizontal side wall 4 Is formed. The contact plate 3a (4a) is unfolded by grasping the contact plate 3a (4a) with a tool 36 such as pliers and strongly twisting the contact plate 3a (4a) as shown in FIG.

In the same manner, the box in another of the first portion of the guideway G ₁ facing along the diagonal direction of the main body 10, the whole of the ceiling portion of the first guide path G ₁ in the upper lateral side walls 4 as removable As shown in FIG. 3, when a U-shaped folding groove 33 is formed on the upper surface and the contact plate 4a of the upper lateral wall 4 is removed at the folding groove 33, as shown in FIG. , the first upper surface opening 37 of the guide path G ₁ is formed, based on the posture that is housed in the box body 10, a second contact capable corotation by approximately half a turn toward the holding piece a ₁ above The portion 35 is formed on the folding surface.

Wire Accordingly, clamping pieces A ₁ The lower the rotation of the countersunk screw D _1, is approximately half rotated to rotate together, that a posture facing downward protruded from the lower lateral side walls 3, the obstacle It is drawn until it abuts on the back of the wall material W, avoiding interference with the tube 84. One of the two corners of the lower box body 10 is in its own narrow Jitsuba portion 12 and the clamping piece A _1, by clamping the wall material W, is fixed to the wall material W. On the other hand, the corner portion of the upper facing along the corner and the diagonal direction, in a normal gripping position holding piece A ₁ is protruding laterally, it is secured to the wall member W in the same manner. Thus, the box body 10 is attached to the wall material W while avoiding interference with the conduit 84 which is an obstacle disposed close to one of the vertical side walls 5. 1 and 5, reference numeral 85 denotes an electric wire accommodated in the electric wire tube 84, and in FIGS. 2 to 4, 3a 'and 4a' indicate the contact plate portion 3a and the upper portion of the lower horizontal side wall 3, respectively. The folded piece which broke off the contact | abutting board part 4a of the side wall 4 is shown.

  Further, the folding groove 33 for making the contact plate portion 3a (4a) as a knockout structure is a shallow groove, and further, the contact plate portion 3a and the upper horizontal side wall of the lower horizontal side wall 3 which is a portion to be removed. The contact plate portions 4a of 4 are connected to the remaining portions of the lower horizontal side wall 3 and the upper horizontal side wall 4 through the connecting portion 38 (see FIG. 6) along the entire length of the folding groove 33. Therefore, there is almost no decrease in the strength of the corner of the box body 10 in the state where the contact plate portion 3a (4a) remains. In this respect, the circular knockout portion 8 formed on the bottom wall 1 of the box body 10 is connected to the bottom wall 1 only via the connection portion 9 because a large connection strength at the time of storage is not necessary. Is different.

Subsequently, the wiring box B2 of the _second embodiment will be described. Wiring box B ₂ shown in FIGS. 8 and 9, a possible mounting in parallel two wiring devices laterally "for two", at each corner of the four points, the first guide the road G _1, and consists of the contact plate portion 3'a which functions as a folding up possible knockout portion (4'a) "guide portion" is provided, a total of all four of each "guide portion" the configuration clamping piece a ₁ is arranged, unlike the wiring box B _1, the the wiring box B ₁ are identical or equivalent parts are given the "'" the same reference numerals or the same reference numerals, Perform illustration only. Was arranged clamping pieces A ₁ to all of the corners, is to secure the mounting force required to attach the box body 10 'of "for two" to wallboard W.

If the obstructions of the box body 10 'does not exist, by the rotation of Kakusara bis D _1, each clamping pieces A ₁ of a total of four, as indicated by a chain line in FIG. 9, the box body 10 'approximately 90 ° to by co-rotation from the retracted state in, as indicated by the solid line in Figure 9, and each clamping piece a ₁ is normally placed in the clamping position, the box body 10' each corner of The box body 10 'is attached to the wall material W by sandwiching the wall material W with all the members.

In the case where an obstacle exists on either or both sides of the box body 10 ′, in FIG. 9, each contact plate portion 3'a, 4 of the “guide portion” at the lower right corner and the upper left corner 'by removing one or both of a, only the one or two holding pieces a ₁ disposed at each corner, as shown by two-dot chain line in FIG. 9, the rotation of the countersunk screw D ₁ in the beginning, by approximately 180 ° from the stored state by rotating together, to project the respective clamping pieces a ₁ to downward or upward. Thereby, interference with the obstacle on the side of the box body 10 'is avoided, and the wall material W is held by all the corner portions of the box body 10'. 'Is attached.

  Furthermore, when there is an obstacle above or below the box body 10 ', one or both of the contact plate portions 3'a and 4'a of the "guide" of the lower left corner and the upper right corner By removing it, interference with an obstacle above or below the box body 10 'is avoided, and the wall material W is held by all the corners of the box body 10' with respect to the wall material W. The box body 10 'is attached.

  As described above, when the present invention is applied to the corner portion of the bottomed square box-like wiring box, the protruding direction of the holding piece is changed by 90 ° so that the holding piece protrudes from another adjacent side wall. There is an advantage that the box body can be attached to the wall material while avoiding an obstacle existing around the box body.

However, the present invention is also applicable to a wiring frame having a quadrangular frame shape in which the wiring fixture is fixedly disposed in the inner space, in addition to the wiring box. Wiring frame F, as shown in FIGS. 10 to 13, in upper and lower two locations, attracts clamping pieces A ₂ in the wall back surface of the wall material W by the rotation of the spur bis D _2, disposed on a wall behind a pair of upper and lower clamping pieces a ₂ which is, in a narrow Jitsuba portion 41 formed in said upper and lower ends of the wiring frame F disposed on the wall surface side, by sandwiching the wall material W from the front and back, the wall It is attached to the material W.

  10 to 13, the wiring frame F is an injection-molded product of resin, and has a square frame shape, and is mounted in the square frame with the wiring fixture C exposed on the back side. At the front end portions of the upper plate portion 42 and the lower plate portion 43 of the wiring frame F, plate-like holding flanges 41 are integrally formed along the lateral direction in a state of projecting upward and downward respectively . An arc-shaped positioning plate 44 disposed on the back side of the upper plate portion 42 and the lower plate portion 43 in proximity to opposing inner peripheral surfaces along the vertical direction of the wall holes 86 made in the wall material W Is integrally provided, and is open for the entire length in the longitudinal direction between the positioning plate 44 and the upper plate portion 42 or the lower plate portion 43, so that a missing cylindrical guide cylinder 45 is opened on the upper surface or the lower surface. Is integrally formed in a state where it is horizontal and protrudes backward. As shown in FIG. 10, the wall hole 86 has a shape in which two circular holes are vertically arranged in a state in which a part thereof is overlapped.

Clamping piece A ₂ is fitted in guide cylinders 45 so as to be retractable relative to the wiring frame F. That is, the sandwiching piece A ₂ is configured to be drawn close to the wall material W in a state in which the guided portion 46 is fitted to the guiding cylinder 45, and the discoid guided portion 46 is connected to the connecting plate portion 47. The holding plate portion 48 is integrally provided. In a state where the guided portion 46 of the holding piece A ₂ is fitted into the guide cylinder 45, threadably flat bis D ₂ the head D ₁ a is arranged in front of the wiring frame F is in the guided portion 46 because it is engaged by rotation of the flat screws D _2, clamping piece a _2, until the holding plate portion 48 abuts against the first abutment portion 49 which is one end surface of the opening side of the guide cylinder 45 After that, it becomes unrotatable, and while the holding plate portion 48 is in contact with the first contact portion 49, the holding plate portion 48 is drawn to the side of the wall material W to hold the pair of upper and lower sides of the wall surface A portion of the wall material W facing the upper and lower end portions of the wall hole 86 is held in the normal holding position by the plate portion 48 and the pair of upper and lower holding ridges 41 of the wiring frame F on the back side of the wall. The wiring frame F into which the wiring fixture C is integrally fitted is attached to the wall material W.

Then, on the outer surface of the guide cylinder 45 on the side of the first contact portion 49, a folding groove 51 having a right-angled triangular cross section is formed in an L shape in a side view. in, and snapped horizontally long rectangular shape in side view, by removing, folding-up surface of the horizontal direction, the coupling plate portion 47 of the pinching piece a ₂ which is co-rotation by the rotation of the spur screws D ₂ is brought it is in contact, the holding piece a ₂ is a second contact portion 52 which are located at different clamping position (see FIG. 13) from the normal clamping position described above.

Therefore, also in the wiring frame F of Example 3, in the normal clamping position, in the wall inside clamping pieces A ₂ of one of the pair interferes with the obstacle it can not attracted to the wall material W in this case, the portion of the fold-up groove 51, a portion including the first contact portion 49 of the guide cylinder 45, that is broken off in a square shape in side view, the holding piece a ₂ abuts at the new position be capable of forming a second contact portion 52, it is possible place the clamping piece a ₂ into another clamping position from the normal clamping position that can avoid interference with the obstacle. 13, the clamping pieces A ₂ shown by the two-dot chain line is one disposed normal clamping position.

As a result, in the wiring frame F of Example 3, with the guide cylinder 45 guided portion 46 of the holding piece A ₂ is moved and guided to the first contact portion 49, the first guide of the clamping piece A ₂ with road G ₁₁ is constituted, in the guide cylinder 45 and the second contact portion 52, a second guide path G ₁₂ of the holding piece a ₂ is constructed. 10-13, 53 shows the side-plate part of the frame F for wiring, and 87 shows the electric wire connected to the wiring fixture C. As shown in FIG.

  The above-described first to third embodiments are examples in which the present invention is applied to a bottomed rectangular box-shaped wiring box or a rectangular frame-shaped wiring frame, but rotating the screws together causes the clamping pieces to rotate together. And the pinching piece disposed at the pinching position is drawn to the side of the wall material by continuous rotation of the screw after the non-sandwich position, and the pinching piece is formed on the wall face side of the fixture and the fixture. If the fixing tool main body is attached to the wall material by holding the wall material with the holding sandwiching portion, the above-described square box-like wiring box with a bottom, or a square frame-shaped wiring frame The invention is not limited to the above, and can be applied to any fixtures.

In the first to third embodiments, from the first contact portions 3a, 4a, 3'a, 4'a, 49 of the box body 10, 10 'or the wiring frame F, the second contact portions The rotation angle of each sandwiching piece B ₁ , B ₂ up to 35, 52 is approximately 90 °, but the rotation angle is not limited to 90 °, and may be smaller or larger than 90 °. For example, 45 °, 60 °, 120 °, etc. may be used.

A ₁ , A ₂ : Clamping pieces B ₁ , B ₂ : Wiring box (equipment fixture)
D ₁ : Plate screw (screw)
D ₂ : Flat bis (bis)
F: Wiring frame (equipment fixture)
G ₁ , G ₁₁ : First guideway (guide section)
G ₂ , G ₁₂ : second guideway (guide section)
W: Wall material 1, 1 ': Bottom wall 3, 3': Lower horizontal side wall 3a, 4a, 3'a, 4'a: Contact plate portion (first contact portion)
4, 4 ': Upper side wall
5: Vertical side wall
6: Box opening 10, 10 ': Box body (fixed body)
11: Boss (equipment fixing part)
12, 41: Clamping section
13: Guide wall 33, 51: Folding groove 35, 52: second contact portion (folding surface)
38: Connection part of contact plate part
45: Guide cylinder
49: first abutment 82, 86: wall hole

Claims (3)

A fixture comprising: a fixture main body having a fixture fixing portion for fixing a fixture, wherein the fixture is inserted from a wall surface into a wall hole formed in the wall material and attached to the wall material,
In order to attach the fixing tool main body to the wall member in cooperation with the holding flange portion in contact with the wall surface, and the fixing main body in the fixing tool main body, the wall can be moved back and forth. A clamping piece disposed on the back, a screw rotatably supported in a state where the fixing tool main body does not move back and forth, and screwed to a base end of the clamping piece, and a base end screwed to the screw And a guiding unit for guiding the advancing and retreating of the held clamping pieces,
The holding pieces rotate with respect to the screw between a non-holding position not interfering with the insertion of the fixing device main body into the wall hole and a holding position capable of holding the wall material. While being possible, it is the composition which can be advanced and retreated to wall material by rotation of the screw,
The guide portion is a first contact portion that brings the sandwiching piece into contact with the sandwiching piece at a normal sandwiching position where the sandwiching piece rotates with respect to the screw and can sandwich the wall material; And a first guide path for guiding the advancing and retreating of the holding piece in a state of being in contact with the contact portion,
The first contact portion is formed to be removable.
By removing the first contact portion, the sandwiching piece is rotated beyond the sandwiching position to a sandwiching position different from the sandwiching position, and a second abutment portion, and the second abutment is A fixture according to claim 1, wherein a second guide path for advancing and retracting the pinching piece is formed in a state where the pinching piece is in contact with the portion. The fixture is a wiring box, and includes a bottom wall and a side wall erected from the bottom wall, and includes a box main body formed in a bottomed square box shape having an opening opening on the front surface,
The guide is formed at a corner of the box body.
The clamping piece is pivotable from a storage position accommodated in the box main body to a clamping position projecting from the side wall, and removal of the first contact portion from another side wall adjacent to the side wall The fixture according to claim 1, characterized in that it has a protruding configuration.   A connecting portion thinner than the side wall is continuously provided on the horizontal side wall constituting the corner portion, and the first contact portion is a knockout portion removable by the connecting portion. The fixture according to claim 2, characterized in that.

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