JP3456117B2 - Wiring system joints - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring system joint mainly used for connecting wiring ducts accommodating power lines and signal lines in an office space.

[0002]

2. Description of the Related Art In recent years, computerization in office spaces has been advanced, and in using electronic equipment, various signal lines (telephone line, data communication line, etc.) are required to be wired in addition to power lines. In order to meet various requirements, a wiring construction technique has been proposed in which a power line and a signal line are housed and wired in a wiring duct.

[0003]

By the way, this kind of wiring duct is generally provided in a standard size standard,
It will be used by cutting or connecting according to the construction form at the site. Since the wiring duct is generally arranged so as to be exposed on the construction surface such as a wall surface, 2
There is a problem that the seam is exposed at the connection part of the wiring duct of the book and the appearance is spoiled.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a joint for a wiring system, which can connect the wiring ducts with good appearance.

[0005]

According to a first aspect of the present invention, there is provided a body which is fixed to a construction surface and positions both wiring ducts by interposing between two end portions of the wiring ducts. Ri Do a cover covering the end portions of both cable duct is,
Straightly along the construction surface with the convex part formed on the construction surface sandwiched
Fitted to the ends of a pair of wiring ducts arranged on the wire
A matching positioning piece and each wiring that contacts the construction surface
Each pair of locating pieces that fits into the duct respectively
By connecting the lateral crosspiece that is projected and the center part of both horizontal crosspieces,
Provide the body with a connecting piece formed to straddle the convex part
It is a thing. According to this configuration, the ends of the two wiring ducts to be connected are positioned by the body so that the wiring ducts are not displaced from each other, and the cover for covering the ends of the wiring ducts is provided. The end edge of is not exposed to the outside, and the two wiring ducts can be connected nicely.

[0006] Moreover, even when the convex portions due pillar facilities cumene be formed must be arranged cable duct across the convex portion, between the wiring ducts by the body by placing the body across the convex portion Can be accurately positioned. Especially, connecting with the horizontal rail in contact with the construction surface
Since the piece crosses the convex part of the construction surface, connect the connecting piece to the end of the wiring duct.
It can function as a partition in the part, and wiring
When wiring the power line and signal line inside the
The connecting piece can prevent the touching.

According to a second aspect of the present invention, in the first aspect of the present invention, the cover has a shape that matches the cross-sectional shape of the convex portion formed on the construction surface and is formed thinner than other portions, which can be cut off. The knockout section is provided.
With this configuration, when the two wiring ducts are arranged with the convex portion sandwiched between them, the cover can be arranged according to the step formed by the convex portion by cutting off the knockout portion, so that there is no gap and it is beautiful. It can be finished in a nice appearance. Further, it can also be used when connecting the wiring duct at a portion without a convex portion unless the knockout portion is cut off. That is, the same type of cover can be shared regardless of the presence or absence of the convex portion, and as a result, it is possible to reduce the product types and reduce the manufacturing cost.

The invention of claim 3 is claim 1 or claim
In the invention of claim 2 , as the wiring duct, a case in which one surface is in contact with the construction surface and the other surface is formed with an opening surface over the entire length, and a wiring device can be attached at a proper position in the longitudinal direction so as to cover the opening surface of the case body. The main body and a case cover that covers the part of the opening surface of the case main body where the wiring device is not attached, and a power line storage recess for storing the power line is formed in one side of the internal space of the case main body. A signal line housing recess for housing the signal wire is formed on the other side of the inner space of the case body. According to this structure, since the power line storage recess and the signal line storage recess are separately provided in the wiring duct to store the power line and the signal line, respectively, it is possible to prevent the power line and the signal line from touching each other. Construction can be facilitated by passing the power line and the signal line in one wiring duct.

According to a fourth aspect of the invention, in the third aspect of the invention, at least one of the power line accommodation recess and the signal line accommodation recess is covered with an insulating separator that is detachable from the case body. According to this structure, since the insulating separator is present between the power line and the signal line, it is possible to more reliably prevent the power line and the signal line from touching each other. Claim
The invention of claim 5 is the invention of claim 3 or claim 4 ,
The connecting piece is formed so as to separate the power line and the signal line at a portion corresponding to the power line storage recess and the signal line storage recess. According to this structure, the power line and the signal line can be separated by the connecting piece even between the two wiring ducts, and the contact between the power line and the signal line can be prevented.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The wiring duct 1 used in the present invention is
As shown in FIGS. 2 to 7, a case body 10 having a substantially U-shape and a cross-sectional shape in which projecting pieces 11 project inwardly on both leg pieces, and an opening formed between the projecting pieces 11 of the case body 10. The case cover 20 is attached to the surface 12. The case body 10 is an aluminum extrusion molded product, and the case cover 20 is a synthetic resin molded product. A power line storage recess 13 and a signal line storage recess 14 are formed on both sides of the inner space of the case body 10. As shown in FIGS. 2 to 4, the power line 3 is stored in the power line storage recess 13 (lower side of FIGS. 2 and 3), and the signal line 4 is stored in the signal line storage recess 14. The back plate of the case body 10 is shown in FIG.
As shown in FIG. 3, elongated holes 15 are formed at regular intervals along the centerline of the case body 10 in the longitudinal direction, and the case body 10 can be fixed to the construction surface by using screws passing through the elongated holes 15. it can. The case body 10 may be fixed by adhering it to the construction surface.

By the way, as shown in FIG. 6, locking pieces 16 are provided so as to project toward the inside of the case body 10 at the tip ends of the projecting pieces 11 on both sides of the opening surface 12. A step portion 16 a is formed on the locking piece 16 so as to face the opening surface 12. On the other hand, locking legs 21 are projectingly provided on the rear surfaces of both sides of the case cover 20,
The tip of the locking leg 21 has elasticity. Both locking legs 21
The distance between them is set larger than the distance between both locking pieces 16. Then, the case cover 20 is attached to the case body 10.
When mounted on the opening surface 12 of the case cover 20, both sides of the case cover 20 are locked to the stepped portions 16a of the locking piece 16, and
The front surface of the protruding piece 11 (left side in FIG. 6) and the front surface of the case cover 20 (left side in FIG. 6) are substantially flush with each other. At this time, the tip of the locking leg 21 is locked to the tip of the locking piece 16.
That is, the case cover 20 is held by the case body 10. In the locking piece 16, the back surface side of the step portion 16a is the locking piece 1
The slanted surfaces 16b are slanted toward the front end side of the slats 6 toward each other. Further, inside the case main body 10 and from the back plate of the case main body 10, a protrusion 17 is provided so as to define the opening surfaces of the power line storage recess 13 and the signal line storage recess 14 together with the protrusion 11. . In addition, the ridge 17
Adjacent to the power line storage recess 13 and the signal line storage recess 1
A holding recess 18 is formed on the side opposite to 4.

As shown in FIG. 4, one end of the power line storage recess 13 and the signal line storage recess 14 is inserted into the holding recess 18, and the other end is elastically attached to the projecting piece 11 and the locking piece 16. The insulating separator 2 in contact is provided. The insulating separator 2 is made of polypropylene and has a power line storage recess 13
The power line storage recess 13 and the signal line storage recess 14 are closed while the power line 3 and the signal line 4 are stored in the signal line storage recess 14. That is, the power line 3 and the signal line 4 are separated from each other by storing the power line 3 and the signal line 4 in the power line storage recess 13 and the signal line storage recess 14, respectively.
It is possible to prevent contact between the power line 3 and the signal line 4 by providing the insulating separator 2.

In the wiring duct 1 consisting of the case body 10 and the case cover 20, as shown in FIG.
Can be attached. Examples of the wiring device 5 include an outlet (or a switch) 31 connected to the power line 3 and a modular jack (or a TV outlet) 32 connected to the signal line 4. The wiring device 5 is formed to have a width dimension that can be inserted into the opening surface 12 of the case body 10. When the wiring device 5 is attached to the case body 10, the wiring device 5 is covered with the sandwiching plates 33a and 33b and is attached. Put the frames 35 and 36 on the wiring device 5,
The tightening screw 6 is screwed into the sandwich plates 33a and 33b through the mounting frames 35 and 36. The sandwiching plates 33a and 33b are frame bodies made of stainless steel, and both locking pieces 1 of the case body 10 are provided.
6 has a pair of positioning pieces 34 which respectively abut. The distance between the tips of the positioning pieces 34 is equal to the case body 1
The width of the case body 1 is wider than the width of the opening surface 12 of 0.
It is inserted into the case body 10 in a state of being inclined with respect to the opening surface of 0. When the tightening screw 6 is tightened with the sandwiching plates 33a and 33b inserted in the case body 10 in this manner, the positioning pieces 34 of the sandwiching plates 33a and 33b are locked by the locking piece 1.
By contacting with 6, the wiring device 5 is prevented from falling off from the case body 10. In this way, the sandwich plates 33a, 3
Since the movement of 3b is restricted by the locking piece 16, when the tightening screw 6 is tightened, the mounting frames 35 and 36 are clamped by the sandwiching plate 33.
a, 33b will be approached.

The outlet 31 has a size such that it comes into contact with the back plate of the case body 10, and a mounting frame 35 made of stainless steel is sandwiched by a clamping plate 33 by tightening the tightening screw 6.
When approaching a, the outlet 31 is pressed against the case body 10, and the outlet 31 and the sandwich plate 33a are stretched between the back plate of the case body 10 and the projecting piece 11.
The outlet 31 is fixed to the case body 10. On the other hand, the modular jack 32 does not have a height dimension that abuts on the back plate of the case body 10, but a leg piece 37 provided on the mounting frame 36 of the synthetic resin molded article abuts on the back plate of the case body 10. Is formed in. Therefore, when the tightening screw 6 is tightened, the sandwiching plate 33b and the leg pieces 37 of the mounting frame 36 are stretched between the back plate of the case body 10 and the projecting piece 11, and the modular jack 32 is fixed to the case body 10. To be done.

Here, the decorative plate 3 made of an ABS resin product is provided with an engaging leg 39 on the rear surface of the opening 12 of the case body 10 which engages with the engaging piece 16 like the case cover 20.
8a and 38b can be mounted, and the decorative plate 38
a, 38b sandwiching plates 33a, 33b and mounting frame 3
The periphery of the wiring device 5 is covered so that the parts 5, 36 are not exposed to the front side.

By the way, the wiring duct 1 including the case body 10 and the case cover 20 is, as shown in FIG.
It is constructed with the back plate in contact with the interior wall surface, which is the construction surface. An adhesive, an adhesive tape, a screw inserted into the long hole 15 or the like is used for attachment to the wall surface. When actually constructing the wiring duct 1, the wiring duct 1 can be formed in various forms.
It is necessary to connect various components, to draw the power line 3 and the signal line 4 into the wiring duct 1, and to treat the end of the wiring duct 1.

As members of this type, an extension joint 41 for connecting two wiring ducts 1 to each other in a straight line, an entry corner joint 42 and an exit corner for joining the wiring ducts 1 at entry and exit corners of a wall surface. There are a joint 43, an L-shaped joint 44 and a T-shaped joint 45 for connecting the plurality of wiring ducts 1 arranged in the horizontal direction and the vertical direction. Furthermore, an end cap 46 for closing the end surface of the wiring duct 1 is attached to the end of the wiring duct 1. The power line 3 and the signal line 4 inside the wiring duct 1 are led in from an embedded box (switch box or the like) provided on a wall or a ceiling. In order to pull in from the ceiling, the wiring duct 1 may be arranged in the vertical direction and one end thereof may be extended to the vicinity of the ceiling. However, since a hole is formed in the ceiling for passing the power line 3 and the signal line 4, the ceiling cover 47 is provided to cover the hole and the end of the wiring duct 1. On the other hand, when the power line 3 and the signal line 4 are pulled in from an embedded box (switch box or the like) provided on the wall surface, the box cover 48 is used. The box cover 48 is fixed to the embedded box embedded in the wall surface using a box screw.

As shown in FIG. 1, pillars (studs, studs) 7 are provided on the wall surface as the construction surface on which the wiring duct 1 is arranged.
There is a case where a convex portion like the above is formed. In such a place, a dedicated extension joint 50 for joining the two wiring ducts 1 arranged with the pillar 7 in between in a straight line.
To use. This extension joint 50 is shown in FIGS.
As shown in FIG. 4, it comprises a body 51 fixed in contact with the wall surface and a cover 52 fitted to the body 51. Openings 52c are formed on two surfaces of the peripheral wall of the cover 52, and the ends of the wiring duct 1 can be inserted into the openings 52c. The body 51 is provided with a pair of horizontal rails 51a, side pieces 51b are formed on both ends of each horizontal rail 51a, and a hook step portion 51c is formed on an outer surface of each side piece 51b. Further, the hook step portion 51 is provided on the inner surface of the cover 52.
A hooking protrusion 52a that engages with the c
The body 51 and the cover 52 are coupled by the c and the hooking protrusion 52a. The horizontal rails 51a are continuously and integrally coupled via a coupling piece 55. The connecting piece 55 projects in the same direction as the side piece 51b with respect to the horizontal rail 51a. That is, the connecting piece 55
Is formed in a substantially U shape, and the connecting piece 55 can straddle the pillar 7 in a state where the horizontal rail 51a is in contact with the wall surface. Further, a pair of positioning pieces 53 is provided on each of the horizontal rails 51a so as to project outward. These positioning pieces 53 are fitted in the groove portions 19 of the case body 10 to relatively position the wiring duct 1 and the extension joint 50. One horizontal rail 51a has a mounting hole 51d through which a screw can be inserted. Therefore, the body 51 can be fixed to the wall surface by the screw inserted into the mounting hole 51d.

On the inner peripheral surface of the cover 52, a separation protrusion 52b is provided in a portion corresponding to the connection piece 55, and a part of the separation protrusion 52b is inserted into the connection piece 55 as shown in FIG. The tip surface of the piece 55 is recessed to the extent that the separation protrusion 52b can be inserted). Thus, the connection piece 55 and the separation protrusion 52b prevent the power line 3 and the signal line 4 from touching each other in the extension joint 50. A knockout portion 52d is formed on the peripheral wall of the cover 52 on which the opening 52c is not formed, as shown by a portion surrounded by a broken line in FIG. 1 (see FIG. 13). Knockout part 52d
Is formed by denting the inner side surface so that it is thinner than other parts, and is formed so that it can be easily excised on site. The knockout portion 52d is dimensioned such that when the cover 52 is joined to the body 51, the pillar 7 is inserted into the notch formed by cutting off the knockout portion 52d and the other portion comes into contact with the wall surface. ing. In short, the shape of the knockout portion 52d matches the cross-sectional shape of the pillar 7. If the knockout portion 53 is not cut off, the wiring duct 1 can be connected inside the pillar 7. In other words, this extension joint 50 is
It is possible to share it in places with and without.

As described above, the positioning piece 53 provided on the body 51 can be fitted into the groove portion 19 on the rear surface side of the case body 19 to position the two wiring ducts 1 in line. When the cover 52 is fitted on the body 51, the end of the wiring duct 1 is covered with the cover 52. In addition, at the time of actual construction, as shown in FIG.
The body 51 is fixed to the wall surface in a state where the center line of is aligned with the marking line L. Notched marks 56 (see FIG. 13) are formed on the body 51 at two positions on the center line, and the marks 56 enable alignment with the marking line L.

[0021]

The invention according to claim 1 is fixed on the construction surface.
A body for positioning the intervening to both cable duct between the ends of the cable duct of this, is freely fitted removably to the body Ri Do and a cover covering the end portions of both cable duct, it is formed on the construction surface
It is arranged in a straight line along the construction surface with the convex part
Positioning to fit the ends of a pair of wiring ducts
Abut one piece with the construction surface and attach it to each wiring duct.
A pair of positioning pieces that fit together
Connect the crosspiece and the center of both horizontal crosspieces and straddle the convex part
The connecting piece formed in a shape is provided on the body ,
The ends of the two wiring ducts to be connected are positioned by the body so that the wiring ducts are not displaced from each other, and the cover for covering the ends of the wiring ducts is provided. There is an advantage that the two wiring ducts can be connected with good appearance without being exposed.

Moreover, even when a convex portion such as a pillar is formed on the construction surface and the wiring duct must be arranged with the convex portion sandwiched between them, the body is arranged so as to straddle the convex portion so that the wiring ducts are separated by the body. Has the advantage that it can be accurately positioned. In particular, the horizontal rail abuts the construction surface
Since the connecting piece straddles the convex part of the construction surface in the state of being
To function as a partition at the end of the wiring duct
The power line and signal line inside the wiring duct.
In such a case, the contact piece can prevent contact.
You can

According to a second aspect of the present invention, the cover is provided with a releasable knockout portion having a shape matching the cross-sectional shape of the convex portion formed on the construction surface and thinner than other portions. Then, when arranging the two wiring ducts with the convex portion sandwiched between them, by cutting off the knockout portion, the cover can be arranged according to the step formed by the convex portion, and the appearance is finished without a gap. There is an advantage that you can. It can also be used when connecting the wiring duct at a part without a protrusion unless the knockout part is removed, and the same type of cover can be shared regardless of the presence or absence of a protrusion. In addition, it is possible to reduce product types and reduce manufacturing costs.

According to a third aspect of the present invention, as a wiring duct, one surface is in contact with a construction surface and the other surface is formed with an opening surface over the entire length, and wiring is provided at a proper position in the longitudinal direction so as to cover the opening surface of the case body. Consists of a case body to which equipment can be attached and a case cover that covers the part of the opening surface of the case body where the wiring equipment is not attached, and the power line is stored in one side of the internal space of the case body. In the case where the power line storage recess is formed and the signal line storage recess for storing the signal line is formed on the other side of the inner space of the case body, the power line storage recess and the signal line are formed in the wiring duct. Since the power line and the signal line are respectively stored by separately providing the storage recesses, the power line and the signal line can be easily passed through one wiring duct while preventing contact between the power line and the signal line. Has the advantage that That.

According to the fourth aspect of the present invention, in the case where at least one of the power line storage recess and the signal line storage recess is covered with an insulating separator that is detachable from the case body, the space between the power line and the signal line is reduced. The presence of the insulating separator has an advantage that the contact between the power line and the signal line can be more reliably prevented. According to the invention of claim 5 ,
In the case where the connecting piece is formed so as to separate the power line and the signal line at a portion corresponding to the power line housing recess and the signal line housing recess, the power wire is also formed between the two wiring ducts by the connecting piece. The signal line and the signal line can be separated from each other, and it is possible to prevent the power line and the signal line from being mixed with each other.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of essential parts showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of an essential part of the above.

FIG. 3 is a perspective view of a case main body used in the same as above, in which a power line and a signal line are passed through.

FIG. 4 is a side view showing a state where the power line and the signal line are passed through the case body used in the above.

FIG. 5 is an exploded perspective view of a wiring duct used in the above.

FIG. 6 is a side view of the wiring duct used in the above.

FIG. 7 is a partially cutaway front view of the wiring duct used in the above.

FIG. 8 is a perspective view showing a construction state of the above.

FIG. 9 is an exploded perspective view of an extension joint used in the above.

FIG. 10 is a side view of an extension joint used in the above.

FIG. 11 is a front view of an extension joint used in the above.

FIG. 12 is a bottom view of the extension joint used in the above.

FIG. 13 is a rear view of the extension joint used in the above.

14 is a sectional view taken along line XX in FIG.

[Explanation of symbols]

1 wiring duct 2 Insulation separator 3 power lines 4 signal lines 5 wiring equipment 10 Case body 12 Opening surface 13 Power line storage recess 14 signal line storage recess 20 case cover 50 extension joint 51 body 52 cover 52d knockout section 53 Positioning piece 55 connecting piece

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-9453 (JP, A) JP-A-9-46852 (JP, A) Actually opened 61-142383 (JP, U) Actually opened 56- 113430 (JP, U) Actual opening Sho 58-195708 (JP, U) Actual opening Flat 5-16918 (JP, U) Actual opening Sho 49-20794 (JP, U) Actual opening Sho 64-34819 (JP, U) Actual development Sho 53-87898 (JP, U) Actual public Sho 47-12591 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) H02G 3/06 H02G 3/04

Claims (5)

(57) [Claims] 1. A body which is fixed to a construction surface and is positioned between the end portions of two wiring ducts to position both wiring ducts,
It is freely fitted removably to the body Ri Do and a cover covering the end portions of both cable duct in the form sandwiching the convex portions formed on the construction surface
A pair of wiring ducts arranged in a straight line along the construction surface
Positioning pieces that fit to the ends of the and contact the construction surface
In addition, each pair of
A horizontal rail with positioning pieces protruding from it and the center of both horizontal rails
Connection formed between the parts and straddling the convex part
Wiring system joint characterized in that one side and one side are provided on the body . 2. The cover has a convex portion formed on the construction surface.
A shape that matches the cross-sectional shape and is thinner than other parts
A releasable knockout part is provided.
The wiring system joint according to claim 1, wherein: 3. The wiring duct has one surface abutting the construction surface and the other.
The opening surface over the entire length is formed on the surface and it is located at an appropriate position in the longitudinal direction.
A case that allows wiring equipment to be attached so that it covers the opening surface of the case body.
The wiring device is attached to the open side of the case body and the case body.
And the case cover that covers the uncovered area.
The power line is stored in one side of the internal space of the case body.
A power line storage recess is formed, and other than the internal space of the case body.
A signal line storage recess is formed on the side to store the signal line.
The joint for a wiring system according to claim 1 or 2, characterized in that . 4. A small number of power line storage recesses and signal line storage recesses.
One side does not have to be an insulating separator that can be detached from the case body.
The joint for a wiring system according to claim 3 , wherein the joint is covered with a vibrator . 5. The connecting piece includes a power line storage recess and a signal line storage recess.
Separate the power line and the signal line at the part corresponding to the location
It is formed in the shape of claim 3 or the contract.
Motomeko 4 join preparative wiring system according.