JPH04121321U - Installation structure of wiring duct - Google Patents

Abstract

(57) [Summary] [Structure] A connecting rail 1 in the shape of a lip groove is provided on the upper surface of the wiring duct 5 with the opening facing downward. Furthermore,
A rotary locking piece 2 inserted into the interior of the connecting rail 1 through an upwardly facing opening 1B and locked to an opening locking portion 1A is screwed to a hanging bolt Q. On the other hand, an engagement groove 5A is provided on the outer surface of the opening of the wiring duct 5 along the longitudinal direction. Then, locking pieces 6A that fit and lock into the engagement groove 5A are provided along both longitudinal edges of the duct cover 6, and
A duct cover 6 is attached to A. [Effect] The wiring duct 5 such as a raceway can be easily suspended from the hanging bolt Q. Furthermore, it becomes possible to easily attach the duct cover 6 and the fluorescent lamp fixture to the wiring duct 5.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is mainly based on supports called metal ducts, second-class metal wires, synthetic resin wires, etc. Attach the duct cover to the wiring duct (hereinafter collectively referred to as the wiring duct). The present invention relates to a wiring duct mounting structure suitable for

0002

[Conventional technology]

As conventional wiring ducts, so-called raceways and supporting materials called ducts are known. ing. This type of support material can be used as metal ducts, second class metal wires, synthetic resin wires, etc. Although classified as such, it is mainly used as a power supply and support material for lighting equipment. . To attach these wiring ducts to the hanging bolts, refer to Figures 4 and 5. As shown in the figure, a predetermined hanging metal fitting X was used for connection and support. That is, The conventional hanging fitting X has a structure that grips the outer surface of the wiring duct P, and A hanging bolt Q was screwed onto a metal fitting X.

0003

[Problem that the idea aims to solve]

However, these conventional hanging fittings It locks over P1 and grips the wiring duct P, so this wiring duct When installing a duct cover T etc. that covers the opening of P, this hanging bracket There were some inconveniences that were a hindrance. In particular, the applicant filed an application earlier on January 18, 1991. As in the continuous fluorescent lamp system, the fluorescent lamp body S is directly attached to the wiring duct P. In such a case, the hanging metal fittings It is something.

0004 Therefore, this idea was devised to solve the above-mentioned problem. When installing duct covers, fluorescent lights, etc. to the opening of the duct, it does not get in the way, making it easier to install. Wiring that makes it easy to suspend wire ducts and attach equipment to wiring ducts. The purpose is to provide a mounting structure for ducts.

[0005]

[Means to solve the problem]

In order to achieve the above-mentioned object, this invention has a wiring duct 5 with the opening facing downward. A connecting rail 1 having a lip groove shape in cross section is provided on the upper surface. Then, the connecting rail 1 A rotary lock that is inserted into the interior through the upward facing opening 1B and is locked to the opening locking portion 1A. Screw piece 2 onto hanging bolt Q. On the other hand, the outer surface of the opening 5B of the wiring duct 5 An engagement groove 5A is provided along the longitudinal direction. Then, it fits into this engagement groove 5A. The problem is that locking pieces 6A for mating and locking are provided along both longitudinal edges of the duct cover 6. It is intended as a means to solve the problem.

[0006]

[Effect]

That is, according to this invention, the rotation inserted into the inside from the opening of the opening locking part 1A When the rotation locking piece 2 is rotated 90 degrees, the rotation locking piece 2 is locked inside the opening locking part 1A. do. Then, rotate the locking nut 3 that has been screwed onto the hanging bolt Q in advance. 2 tightens the opening locking part 1A, and the rotation locking piece 2 and the locking nut are tightened. The opening locking portion 1A is clamped and fixed by the opening locking portion 3 and the opening locking portion 1A.

[0007] On the other hand, the locking piece 6A of the duct cover 6 is fitted into the engagement groove 5A of the wiring duct 5. By locking, the duct cover 6 is fixed to the wiring duct 5.

[0008]

【Example】

Hereinafter, embodiments of this invention will be described in detail with reference to the drawings. The symbol P shown in the figure indicates the lip groove shape of metal ducts, second-class metal wire pipes, synthetic resin wire pipes, etc. It is a shaped wiring duct and is mainly used for power supply and support for lighting equipment. used. For example, in architectural structures that do not have double ceilings, such as station platforms and factories. It is used as a component for attaching fluorescent lights to structures.

[0009] Then, a lip groove shape is formed on the upper surface of the wiring duct 5 with the opening 5B facing downward. A connecting rail 1 is provided (see Fig. 1). The illustrated connecting rail 1 is connected to a wiring duct 5 The opening 1B is provided on the upper surface of the connecting rail 1. Also The width of the connecting rail 1 is narrower than that of the wiring duct 5. Connecting rail In addition to this, the width of the wiring duct 5 may be formed to the same size as the width of the wiring duct 5. In this case, other cables, etc. are routed outside the wiring duct 5 and inside the connecting rail 1. It becomes possible to store it.

0010 Reference numeral 2 denotes a rotary locking piece that locks on the opening locking portion 1A. This rotation locking piece 2 , insert it into the interior through the upwardly facing opening 1B of the connecting rail 1 and rotate it 90 degrees. to lock it in the opening locking part 1A. The rotation locking piece 2 in the illustrated example is larger than the width of the opening 1B. It forms a parallelogram with a narrow width, and when rotated 90 degrees, both longitudinal ends are connected to the wiring. It is formed in such a length that it comes into contact with the inner wall of the duct 5. By doing this, the rotation is locked. The rotation locking operation of the piece 2 can be facilitated (see FIG. 2).

[0011] Then, screw the rotation locking piece 2 and the locking nut 3 to the hanging bolt Q, and The rotation locking piece 2 inserted into the inside of B and the locking nut located on the top surface of the opening locking part 1A 3, the opening locking portion 1A of the connecting rail 1 is clamped and fixed (see FIG. 1). illustration Now, attach the retaining washer 4 under the retaining nut 3, and this retaining washer 4 will be attached to the opening retaining part. It is in contact with the top surface of 1A.

0012 On the other hand, on the outer surface of the opening 5B of the wiring duct 5, an engaging groove is provided along the longitudinal direction. 5A is provided. The engagement groove portion 5A in the illustrated example connects the outer surface of the opening portion 5B to a wiring duct. (5) It is bent in an arcuate cross-section toward the inner side. And this cross section circle The other side of the part bent into an arc shape becomes the engagement groove part 5A, and the cross section has an arc shape. The side of the bent part is reinforced with ribs.

[0013] Then, the locking piece 6A that fits and locks into the engagement groove 5A is attached to the length of the duct cover 6. Provided along both sides of the hand. In the illustration, a locking piece 6A having a similar shape to the engagement groove 5A is provided. By doing so, the arcuate surfaces where these engagement grooves 5A and locking pieces 6A come into contact can be easily attached and detached. It facilitates

[0014] For wiring, which is suspended from the hanging bolt Q in this way, and to which the duct cover 6 is attached. The duct 5 is provided with a fluorescent light directly through the duct cover 6 into the opening 1B facing downward. Lights can be attached. The fluorescent lamp body S used at this time is the duct cover 6 In addition, there are sockets 11 and ballasts 10 that support and energize both ends of the rod-shaped fluorescent tube, and connections thereto. A device equipped with a connection terminal 13 and a feed terminal 14 is planned (see Fig. 2). and, The connection terminals 13 and feed terminals 14 of adjacent fluorescent lamp bodies S are connected and connected. This is to energize a plurality of fluorescent lamp bodies S (see FIG. 3).

[0015]

[Effect of the idea]

This idea has a cross-section on the upper surface of the wiring duct 5 with the opening facing downward. A connecting rail 1 having a lip groove shape is provided, and an opening 1 facing upward of the connecting rail 1 is provided. Attach the rotation locking piece 2 inserted into the interior from B and locked to the opening locking part 1A to the hanging bolt Q. By fixing the screws, other parts cannot come into contact with the sides or opening of the wiring duct 5. The wiring duct 5 can be suspended without being suspended.

[0016] In addition, the engagement groove 5 extends along the longitudinal direction on the outer surface of the opening 5B of the wiring duct 5. A is provided, and a locking piece 6A that fits and locks into this engagement groove 5A is attached to the length of the duct cover 6. By providing it along the side edges of the hand, the duct cover for the opening 5B of the wiring duct 5 is The bar 6 can be attached and detached extremely easily.

[0017] Therefore, like the conventional hanging bracket X, it cannot be locked into the opening of the wiring duct The problem is that the attached parts obstruct the installation of duct covers, fluorescent light fixtures, etc. This problem has been eliminated, and the work of installing equipment into the wiring duct 5 can now be done easily.

[0018] As explained above, according to this invention, the suspension work of the wiring duct 5 and the wiring It has various practical benefits such as making it easier to attach equipment to commercial ducts. play the fruit.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a state of use.

FIG. 2 is an exploded perspective view showing the state of use.

FIG. 3 is a side view showing an example in which fluorescent equipment is attached.

FIG. 4 is a perspective view showing a conventional state of use.

FIG. 5 is a sectional view showing a conventional state of use.

[Explanation of symbols]

P Wiring duct P1 Lip part Q Hanging bolt S Fluorescent lamp body S1 Fluorescent tube T Duct cover X Hanging fitting 1 Connection rail 1A Opening locking part
1B Opening 2 Rotation locking piece 3 Locking nut 4 Locking washer 5 Wiring duct 5A Engagement groove
5B Opening 6 Duct cover 6A Locking piece 10 Stabilizers 11 Socket 13 Connection terminal 14 Sending terminal

Claims (1)

[Scope of utility model registration request] [Claim 1] A connecting rail having a lip groove shape in cross section is provided on the upper surface of the wiring duct with the opening facing downward, and the connecting rail is inserted into the interior through the upward facing opening to form an opening locking portion. A rotary locking piece that locks is screwed to a hanging bolt, and an engaging groove is provided along the longitudinal direction on the outer surface of the opening of the wiring duct, and a locking piece that fits into this engaging groove is A wiring duct mounting structure characterized in that locking pieces are provided along both longitudinal edges of a duct cover.