JP4206931B2 - Fixing bracket for wiring path member and assembly structure of wiring path member - Google Patents

Description

  The present invention relates to a wiring path member in which an electric wire or a pipe is routed, and more specifically, a wiring path member fixing bracket and a wiring for fixing a wiring path member main body to a cover or a mounting box while achieving electrical connection. The present invention relates to a road member mounting structure.

  As shown in FIG. 11, the wiring member 100 includes a duct-like member that is suspended from a ceiling 101 such as a factory or a store via a suspension member 102. As shown in FIG. 11 and FIG. 12, the wiring path member 100 includes a bowl-shaped wiring path member main body 103 that mainly accommodates the electric wires W along the electric cable routing path such as a lighting fixture, and the wiring path member main body. And a cover 104 that closes the release surface (lower surface) of 103. The cover 104 is fixed to the wiring path member main body 103 with a band 105, a band 102A of the suspension member 102, or the like. In addition, as a structure for fixing the cover 104 to the wiring path member main body 103, a structure in which the cover is nut-fastened to the wiring path member main body using a locking member in which a bolt is erected on the locking plate is known (for example, , See Patent Document 1). In addition, the wiring path member 100 includes a connecting member (not shown) (for example, an outlet box) for drawing out the electric wire, a joint member 106 for connecting the wiring path member main bodies 103 to each other, and the like. The wiring path member main body 103 and the cover 104 described above have a plating layer formed on the surface of the metal plate, which is a base material, and in order to ensure electrical insulation from the wires to be routed, the surface of the plating layer is insulated. A film is formed.

  Such a wiring path member 100 is intended to be electrically insulated from the electric wire and also has a function as a ground. In the connection (connection) between the wiring path member main bodies 103, since the metal member is fixed by using a joint member 106 as shown in FIG. The joint member 106 is electrically connected (for example, refer to Patent Document 2).

However, the cover 104 is fixed to the wiring path member main body 103 with the bands 105 and 102A. For this reason, as shown in FIGS. 11 and 12, the terminal of the earth bond wire 107 is screwed to the wiring member main body 103 and the cover 104, thereby electrically connecting the wiring member main body 103 and the cover 104. I am trying. Further, in the mounting structure disclosed in Patent Document 1 described above, since the electrical connection between the locking member and the wiring path member main body cannot be achieved, the ground bond wire as shown in FIGS. 11 and 12 is eventually used. Therefore, it was necessary to work to establish continuity.
JP-A-1-96717 (first page, FIG. 1) JP 63-174508 A (2nd page, FIG. 1)

  The problem to be solved by the present invention is that electrical connection work at the time of construction can be achieved by enabling the electrically connected wiring path member body and the attached member such as a cover to be mutually connected and fixed. It is to be able to perform easily.

The present invention is a mounting member in which a coating film is coated on the surface of a metal plate on a wiring path member body that is formed of a metal plate coated with a coating film and that is open in the longitudinal direction to accommodate electric wires and pipes inside. A wire bracket member fixing bracket for fixing a wire, comprising a stopper plate made of a metal having a bolt in the center and a nut fastened to the bolt, and opened in the longitudinal direction on the stopper plate The first projection for breaking the coating film of the road member main body is provided , and the second projection for breaking the coating film of the attached member is provided on the seat surface of the nut, and is bent and formed so as to rise on the stopper plate. By providing a locking piece and rotating the stop plate, the stop plate and the wiring path member main body are electrically connected .

Further, the present invention is an assembly structure of a wiring path member, in which a metal plate is processed into a bowl shape, a surface of the metal plate is coated with a coating film, and a longitudinal direction that accommodates an electric wire or piping inside The wiring path member body opened in the direction is covered with a member to be mounted so as to straddle the opening of the wiring path member body opened in the longitudinal direction. A stopper plate made of metal having a bolt at the center and having a first protrusion at least at one end, and the first protrusion on the inner surface of the wiring path member main body opened in the longitudinal direction. The bolt penetrates through the mounted member, and is screwed into a nut having a second protrusion formed on the seating surface, and is tightened. It is in contact with the metal plate.

  According to the present invention, the wiring path member opened in the longitudinal direction and the attached member are fixed by a simple operation of tightening the bolts and nuts, and the coating film of the wiring path member main body and the attached member is the first. The protrusion and the second protrusion can be broken, and electrical connection between the wiring path member main body and the attached member can be achieved via the bolt / nut and the retaining plate. For this reason, the whole metal plate which is a base of the wiring path member main body and to-be-attached member which comprise a wiring path member can be used as a ground. Therefore, according to this invention, construction of a wiring path member can be performed by a simple operation.

  Next, a wiring path member fixing bracket and a wiring path member assembly structure according to the best mode for carrying out the present invention will be described with reference to the drawings. In the present embodiment, a case where an electric wire is routed in the wiring path member will be described.

  As shown in FIG. 1, the wiring path member fixing bracket 1 according to the present embodiment is used for a duct-shaped wiring path member 4 that is suspended by a suspension member 3 along a ceiling 2 of a building, for example. The In addition, this wiring path member 4 is mainly arrange | positioned along electric wire routing paths, such as a lighting fixture, and accommodates the electric wire W, as shown in FIG.

[Schematic configuration of wiring path members]
The wiring path member 4 is adjacent to a relatively long bowl-shaped wiring path member main body 5 and a cover 6 as an attached member that closes the release surface (opening portion of the groove) of the wiring path member main body 5. And a joint member 7 for connecting the ends of the wiring path member main body 5 to each other. In this embodiment, the cover 6 is used as a member to be attached. However, as the member to be attached, there is an outlet box described later in addition to the cover 6. And the wiring path member main body 5 and the cover 6 are each formed by sheet metal processing. Further, as will be described later, a plating layer and a coating film are formed on the surface of the metal plate.

  As shown in FIG. 1, the wiring path member main body 5 is suspended such that a hook-shaped release surface is located at the lower portion. The wiring path member main body 5 rises at a right angle to the bottom plate portion 5A from the bottom plate portion 5A located as the bottom portion of the bowl shape (located at the upper side during construction) and both edges in the width direction of the bottom plate portion 5A. A pair of side plates 5B and 5C that are folded so as to hang down from the bottom plate 5A during construction and folded back in an oblique direction toward the inside at the free edges of the side plates 5B and 5C. Parts 5D and 5E.

  As shown in FIG. 2, the cover 6 closes the release surface of the wiring path member main body 5, and has a cover plate part 6 </ b> A slightly wider than the width of the wiring path member main body 5, and the cover plate part 6 </ b> A. And bent plate portions 6B and 6C which are bent at both side edges. In the vicinity of both ends in the width direction of the cover plate portion 6A, ribs 6D and 6E are provided in the longitudinal direction of the cover plate portion 6A in order to increase rigidity, for example, by pressing (bending plate portions 6B and 6C). It is formed so as to protrude slightly in the bending direction). And as shown in FIG. 3, the bolt insertion hole 6F for inserting the volt | bolt 11 mentioned later is formed in the edge part vicinity of the longitudinal direction of 6 A of cover board parts.

[Configuration of fixing bracket for wiring path member]
Next, the configuration of the wiring member fixing bracket 1 according to the present embodiment will be described with reference to FIGS.

  As shown in FIG. 4, the wiring member fixing bracket 1 is based on the distance between the stopper plate 12 made of metal having a bolt 11 at the center and the edges of the folded plate portions 5 </ b> D and 5 </ b> E of the wiring member main body 5. Further, the diameter dimension is large, and it includes a flexible transparent holding sheet 13 for temporarily holding the stopper plate 12 on the wiring path member body 5 and a nut 14 fastened to the bolt 11.

  The stop plate 12 includes a parallelogram-shaped stop plate body 12A, rising pieces 12B and 12C that rise from the shorter pair of edges of the stop plate body 12A to the bolt side, respectively, and a longer pair of edges. It has the latching pieces 12D and 12E which stand up.

  Of the two diagonal lines of the stop plate body 12A having a parallelogram shape, the shorter diagonal line is set shorter than the distance between the inner side surfaces of the side plate portions 5B and 5C of the wiring path member body 5, and the longer one Is set to be longer than the distance between the inner side surfaces of the side plate portions 5B and 5C.

  Further, the distance between the long sides of the stop plate main body 12 </ b> A is set shorter than the distance between the edges of the folded plate portions 5 </ b> D and 5 </ b> E of the wiring path member main body 5. For this reason, as shown in FIG. 6, the stop plate 12 can be disposed in the wiring member main body 5 by inserting the stop plate main body 12A between the folded plate portions 5D and 5E. In this state, by holding the bolt 11 in the direction of the arrow (clockwise in the figure) and rotating it, as shown in FIG. 7, the rising pieces 12B and 12C on which the first protrusions 15 are respectively formed are connected to the wiring path. The member main body 5 can be inserted under the folded plate portions 5D and 5E.

  Further, as shown in FIG. 7, the locking pieces 12D and 12E that are bent so as to rise up to the stop plate body 12A have the first protrusions 15 of the stop plate 12 at predetermined positions below the folded plate portions 5D and 5E, respectively. Is positioned so as to have a positioning function and a detent function by engaging with the end edges of the folded plate portions 5D and 5E.

  The bolt 11 is inserted into a bolt support hole (not shown) formed at the center of the stop plate body 12A from the lower surface side of the stop plate body 12A (the side opposite to the rising direction of the rising pieces 12B and 12C). As shown in FIGS. 4 and 8, the head 11A of the bolt 11 is fixed to the lower surface of the stop plate body 12A. For this reason, the bolt 11 is not detached from the stop plate main body 12A during the operation of assembling the cover 6 to the wiring path member main body 5. The bolt 11 may fix the head portion 11A to the stop plate body 12A as described above, but is held so that the head portion 11A does not fall off in contact with the stop plate body 12A in a rotatable state. It is good also as a structure to be.

  Further, first protrusions 15 each having a mountain-shaped unevenness for breaking the coating film of the wiring path member main body 5 (the lower surfaces of the folded plate portions 5D and 5E) are formed on the rising pieces 12B and 12C, respectively. Has been.

  Since the holding sheet 13 is formed of a transparent resin as described above, when the stop plate 12 is set on the wiring path member main body 5 as shown in FIG. It can be visually checked. FIG. 4 shows a state in which the holding sheet 13 is detached from the bolt 11, but in use, the holding sheet 13 is suspended by hanging the stop plate 12 while straddling the folded plate portions 5D and 5E. In order to prevent the plate 12 from falling into the wiring member main body 5, the bolt 12 is mounted so as to be held at a predetermined position.

  As shown in FIG. 5, the nut 14 is a nut in which a washer 14 </ b> A is integrally formed, and the lower surface of the washer 14 </ b> A is used to break the coating film formed on the upper surface of the cover 6 that is a member to be attached. A plurality of second protrusions 14B having a substantially triangular cross section are formed.

[Method of using fixing bracket for wiring path member and assembly structure of wiring path member]
Next, a method of assembling the cover 6 as a member to be attached to the wiring path member main body 5 using the wiring path member fixing bracket 1 and an assembly structure of the wiring path member 5 will be described with reference to FIGS.

  First, as shown in FIG. 6, the stop plate body 12 </ b> A is inserted between the folded plate portions 5 </ b> D and 5 </ b> E of the wiring path member body 5. At this time, the holding sheet 13 is in a state in which the stop plate 12 is suspended in the wiring path member main body 5 via the bolts 11 across the folded plate portions 5D and 5E. At this time, since the holding sheet 13 has transparency, the state of the stopper plate 12 in the wiring path member main body 5 can be visually observed.

  Next, in the state shown in FIG. 6, the bolt 11 is rotated in the direction of the arrow, and the rising pieces 12B and 12C are rotated and moved below the folded plate portions 5D and 5E. As shown in FIG. 7, the stop plate 12 is formed with the locking pieces 12D and 12E. Therefore, the position where the side edges of the locking pieces 12D and 12E are engaged with the folded plate portions 5D and 5E is limited. As a result, rotation is regulated.

  Thereafter, as shown in FIG. 8, the cover 6 is assembled to the wiring path member body 5 so that the upwardly projecting bolt 11 is inserted into the bolt insertion hole 6 </ b> F, and a nut 14 is screwed onto the bolt 11 and tightened. This completes the mounting of the cover 6.

  Next, the assembly structure of the wiring path member will be described with reference to FIG. As shown in FIG. 9, when the cover 6 is assembled to the wiring path member main body 5 using the wiring path member fixing bracket 1, the first protrusion 15 formed on the upper portion of the rising piece 12 </ b> C (12 </ b> B) of the stop plate 12. However, it breaks the coating film 22 formed on the lower surface of the folded plate portion 5E (5D) and reaches the plated layer 21 or the metal plate 20 as the base, and the stop plate 12 and the wiring path member body 5 are electrically connected. Conducted to.

  Further, the nut 14 is tightened into the bolt 11 so that the second protrusion 14B formed on the lower surface of the washer 14A breaks the coating film 25 formed on the surface of the cover plate portion 6A of the cover 6 and the plated layer 24 or The nut 14 and the cover 6 are electrically connected by reaching the metal plate 23 that is the base.

  Therefore, as shown in FIG. 9, the portions indicated by reference signs A to E of the cover 6 become conductive and the wiring path member body 5 and the cover 6 are electrically connected.

  As described above, the wiring path member 4 formed by assembling the wiring path member main body 5 and the cover 6 is suspended by the suspension member 3 so that the cover 6 faces downward as shown in FIG. Installed.

  In the present embodiment, by attaching the wiring path member fixing bracket 1, the wiring path member main body 5 and the cover 6 can be fixed, and at the same time, the wiring path member main body 5 and the cover 6 can be electrically connected. This eliminates the need for conventional construction using earth bond wires (earth bond construction), and allows the wiring path member 4 to be assembled and installed quickly and reliably.

(Other embodiments)
It should not be understood that the descriptions and drawings which form part of the disclosure of the above-described embodiments limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  For example, in the above-described embodiment, the cover 6 is applied as the attached member. However, as shown in FIG. 10, the outlet box 30 or the end connector may be applied as the attached member. When the outlet box 30 is attached, the bolts 11 may be inserted into the attachment plate 31 to which the outlet box 30 is attached and tightened with the nut 14.

  In the above-described embodiment, the wiring path member main body 5 has a bowl shape. However, the wiring path member fixing bracket 1 may be a wiring path member main body 5 in which an opening or a slit for inserting the stop plate 12 is formed. For example, it is not limited to the bowl-shaped wiring path member main body 5 having the folded plate portions 5D and 5E.

  Furthermore, in the above-described embodiment, the first protrusion 15 and the second protrusion 14B are formed in a mountain-shaped unevenness, but may be a spike-shaped protrusion or a blade-shaped protrusion.

  Moreover, in the above-mentioned embodiment, although the electric wire W was wired in the wiring path member 4, of course, various piping etc. may be wired.

  Furthermore, in the above-described embodiment, the first protrusions 15 are provided on both sides of the stop plate 12, but the first protrusions 15 may be formed only on one side of the stop plate 12.

  The fixing member and assembly structure for a wiring path member according to the above-described embodiment can also be applied to the use of an electric circuit support material such as a metal wire or a cable rack.

It is a side view which shows the example of attachment of the wiring path member using the fixing bracket for wiring path members which concerns on embodiment of this invention. It is a perspective view of the wiring path member using the fixing bracket for wiring path members which concerns on embodiment of this invention. It is a disassembled perspective view of the wiring path member using the fixing bracket for wiring path members which concerns on embodiment of this invention. It is a disassembled perspective view of the fixing fitting for wiring path members which concerns on embodiment of this invention. It is a perspective view which shows the nut of the fixing member for wiring path members which concerns on embodiment of this invention. It is a top view which shows the attachment process of the fixing fitting for wiring path members which concerns on embodiment of this invention. It is a top view which shows the attachment process of the fixing fitting for wiring path members which concerns on embodiment of this invention. It is a front view of the wiring path member which shows the attachment state of the fixing bracket for wiring path members which concerns on embodiment of this invention. It is a principal part expanded sectional view which shows the assembly | attachment structure of the wiring path member which concerns on embodiment of this invention. It is a perspective view which shows other embodiment of this invention. It is a side view which shows the installation state of the conventional wiring path member. It is a front view of the conventional wiring path member.

Explanation of symbols

W Electric wire 1 Fixing bracket for wiring path member 4 Wiring path member 5 Wiring path member main body 5D, 5E Folding plate part 6 Cover (attached member)
6F Bolt insertion hole 11 Bolt 12 Stop plate 12A Stop plate body 12B, 12C Standing piece 13 Holding sheet 14 Nut 14B Second projection 15 First projection 20, 23 Metal plate 21, 24 Plating layer 22, 25 Coating film

Claims (4)

A metal plate coated with a coating film is fixed to a wiring path member body that is formed in a metal plate coated with a coating film and that opens in the longitudinal direction to accommodate wires and pipes inside. A fixing member for a wiring member,
A first protrusion for breaking the coating film of the wiring path member main body, which includes a stopper plate made of metal having a bolt in the center and a nut fastened to the bolt, and is opened in the longitudinal direction on the stopper plate. And a second projection for breaking the coating film of the attached member on the seat surface of the nut, a locking piece bent to rise up on the stopper plate, and a rotation of the stopper plate Thus, the fixing member for a wiring path member is characterized in that the stopper plate and the wiring path member main body are electrically connected . The wire bracket member fixing bracket according to claim 1,
The stop plate is substantially rectangular, and at least one end of the stop plate is bent in an L shape on the bolt side to form a rising piece, and the leading edge of the rising piece is formed in a mountain shape. A fixing member for a wiring member characterized by being a first protrusion. A fixing member for a wiring path member according to claim 1 or 2,
The wiring path member main body is formed in a bowl shape, has a diameter larger than the width of the groove opening corresponding to the upper part of the collar, and has flexibility to temporarily hold the stopper plate on the wiring path member main body. A fixing member for a wiring member, wherein a sheet is attached to the bolt. The metal plate is processed into a bowl shape, and the surface of the metal plate is coated with a coating film, and on the inside of the wiring path member body that is opened in the longitudinal direction for accommodating the electric wire and the pipe,
The surface of the metal plate is coated with a coating film, and a member to be attached is placed so as to straddle the opening of the wiring path member body opened in the longitudinal direction,
A stopper plate made of metal having a bolt at the center and having a first protrusion formed at least at one end, and the first protrusion on the inner surface of the wiring path member main body opened in the longitudinal direction. Abutting to break,
The bolt penetrates the attached member, is screwed and tightened with a nut having a second protrusion formed on the seat surface, and the second protrusion is in contact with the metal plate of the attached member. The assembly structure of the wiring member characterized by the above.

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