JPH0516818Y2 - - Google Patents

Description

[Detailed explanation of the invention] (Industrial application field) This invention is mainly used in electrical equipment work to apply lighting to lip channel steel with relatively wide openings used as ducts and raceways. This invention relates to a fixture for lip and channel steel used when attaching instruments, covers, and other mounting members.

(Prior Art) Conventionally, various types of fixtures have been provided.For example, there is a support fixture for wiring devices that has already been proposed by the applicant of the present application (Jikkosho). 49-21595).

This is used when attaching raceway covers or lighting equipment such as fluorescent lights to channel materials used as raceway ductors in electrical equipment construction. A threaded part is set upright, and parallel V grooves are provided on both short sides thereof, so that the long side piece and the short side piece are parallel to each other in a plane, and one of the opposing angles is an acute angle parallel to each other. A four-sided clamp, an elastic clamp plate having a screw-in hole in the center having a screw-in piece with an appropriate number of semicircular notches on the edge of the hole; It is constructed in combination with a nut for fixing an article which is screwed into a threaded part for fixing the article provided.

In other words, this consists of a clamp that locks into the channel material, a threaded rod that protrudes from the clip to the outside of the channel material, and a support fitting that is fixed to the screw and is attached to the opening of the channel material. The elastic clamping plate and the clipper clamp the bent piece of the channel material that is bent diagonally, thereby fixing the supporting bracket into the channel. It is designed to be temporarily attached to the opening in the material.

(Problems to be Solved by the Invention) However, in the case of the conventional support fittings as described above, the wider the opening of the channel material, the larger the support fittings as a whole become. That is, the load applied to the elastic clamping plate becomes large, and there is a risk that the temporary fixing strength of the elastic clamping plate will deteriorate.

Moreover, depending on the type of mounting member, the large-diameter elastic clamping plate adapted to the large opening of the channel material may be largely exposed to the outside even after the mounting member is installed, resulting in an unsightly appearance. It was hot too.

Furthermore, the disk-shaped elastic clamping plate having a large diameter is difficult to handle and is inconvenient to transport and store.

(Means for Solving the Problems) Therefore, the present invention solves the above-mentioned difficulties, and also provides an extremely stable and reliable temporary attachment state even for lip channel steel having a relatively wide opening. The invention has been devised to provide a fitting for lip channel steel which is simple in structure, robust, has high strength, and has a good appearance, and the fitting according to claim 1. In terms of fittings, a fitting for lip channel steel is used to attach an appropriate mounting member Q, such as a lighting fixture, to lip channel steel P, which is used as a duct or raceway and has a relatively wide opening. and a mounting bracket 2 that is locked in the lip channel steel P so as to straddle the pair of lip portions P1 of the lip channel steel P;
A connecting bolt 3 protrudes outward from the opening of the lip channel steel P and is attached to the mounting bracket 2.
The temporary fixing member 4 includes a pair of press-contacting pieces 4A that press against the facing surfaces of the pair of lip parts P1.
The mounting bracket 2 has bent pieces 2A arranged in a row at right angles on both side edges thereof to form a groove shape, and a locking piece that is locked to the lip part P1 at a predetermined position of the bent pieces 2A. It is constructed by cutting a groove 2B. The temporary fixing member 4 is formed of an elastic band-shaped plate material, and its ends are curved in a substantially arc shape to constitute a pressure contact piece 4A that elastically presses the facing surfaces of the pair of lip portions P1. , the temporary fixing member 4 is formed so as to fit within the groove of the mounting bracket 2. Furthermore, the pressure contact piece 4A of the temporary fixing member 4 and the groove edge of the locking groove 2B of the mounting bracket 2 are connected to the lip portion P1 of the lip channel steel P.
We adopted a means of configuring it so that it can be compressed.

Further, in the attachment device according to the second aspect of the present invention, a means is adopted in which an appropriate number of press-contact protrusions 4C are protruded from the press-contact piece portion 4A of the temporary fixing member 4.

(Function) Therefore, in the mounting fixture according to claim 1, the mounting bracket 2 has bent pieces 2 on both side edge portions thereof.
It has a groove shape with a groove A, and is arranged in the lip channel steel P so as to straddle the pair of lip parts P1, with the locking grooves 2B being respectively locked to the lip parts P1. The temporary fixing member 4 is installed so as to fit within the groove of the mounting bracket 2, and the pair of press-contacting pieces 4A are resiliently press-contacted to the facing surfaces of the pair of lip parts P1. That is, the pressure contact piece portion 4A of the temporary fixing member 4,
The groove edge of the locking groove 2B of the mounting bracket 2 presses the lip portion P1 of the lip channel steel P, and the fixture becomes temporarily fixed to the lip channel steel P.

In addition, in the attachment device according to claim 2, the pressure contact protrusion 4C of the pressure contact piece portion 4A of the temporary fixing member 4 is resiliently pressed against the opposing surface of the lip portion P1, and the temporary fixing member 4 and the lip portion This reduces the frictional resistance between P1 and the facing surface.

(Example) Hereinafter, the present invention will be described in detail with reference to illustrated examples.

This invention applies to lip channel steel P, which is used as a duct or raceway and has a relatively wide opening.
This lip channel steel fixture is used to attach an appropriate mounting member Q such as a lighting fixture. A mounting bracket 2 that is locked in the mounting bracket P, a connecting bolt 3 that is attached to the mounting bracket 2 and projects outward from the opening of the lip channel steel P, and a pair of The temporary fixing member 4 includes a pair of press-contact pieces 4A that press against the opposing surfaces of the lip portion P1.

In order to increase its strength (mainly strength against bending) and rigidity, the mounting bracket 2 is formed into a groove shape with bent pieces 2A arranged at right angles on both side edges thereof. A locking groove 2B is cut in a predetermined position of the bent piece portion 2A to be locked to the lip portion P1, and this locking groove 2B can be locked by rotating the mounting bracket 2 inserted into the lip channel steel P. Groove 2B is lip channel steel P
It is provided so as to be engaged with the tip portion of the lip portion P1 which is bent at right angles to the inside of the lip portion (see FIG. 2).
At this time, the mounting bracket 2 in the lip channel steel P
In order to facilitate rotation, both ends of the locking body 2 are cut diagonally so that they are aligned in the rotational direction.

The temporary fixing member 4 is formed of an elastic band-shaped plate material. A pressure contact piece 4A is provided at the end of the pressure contact piece 4A, which is curved into a substantially semicircular arc shape and is configured to resiliently contact the facing surfaces of the pair of lip portions P1. Moreover, the temporary fixing member 4 is formed to fit within the groove of the mounting bracket 2, and furthermore, the pressure contact piece 4A of the temporary fixing member 4 and the groove edge of the locking groove 2B of the mounting bracket 2 form a lip groove. Lip part P1 of shaped steel P
It is configured so that it can be squeezed.

The temporary fixing member 4 shown in FIG. 3 is formed by curving both ends of a single elastic band-like plate to form a pair of pressure contact pieces 4A, and a fixing hole 4B is formed in the center of the temporary fixing member 4. It has been opened. Then, the connecting bolt 3 is screwed (inserted) into the fastening hole 4B to be fixed to the mounting bracket 2. By doing this, it becomes easy to attach the temporary fixing member 4, and the temporary fixing member 4
The pressure contact piece portion 4A can be brought into pressure contact with the lip portion P1 by utilizing the entire elastic force.

Further, the temporary fixing member 4 shown in FIG. 4 is constructed by fixing a pair of elastic band-shaped plates whose tips are curved to the mounting bracket 2 with rivets or the like. According to such a temporary fixing member 4, fixation of the temporary fixing member 4 to the mounting bracket 2 becomes reliable, the strength of the temporary fixing can be increased, and the elastic band plate material can also be saved, reducing material costs. There are some advantages to doing so.

Furthermore, as shown in FIG. 4, by forming an appropriate number of pressure contact protrusions 4C on the pressure contact portion of the lip portion P1 of the pressure contact piece portion 4A, the frictional resistance between the temporary fixing member 4 and the facing surface of the lip portion P1 is reduced. This allows the pressure contact piece 4A to exert an optimal temporary holding force on the lip portion P1. In other words, the movement (sliding) of the fixture with respect to the lip channel steel P in the temporarily fixed state.
However, it can be done relatively smoothly.

In the examples, the mounting member Q is mainly described as being used for electrical installation work such as lighting equipment, but the type of the mounting member Q is not limited to this. Lip part P1 of steel P
It can also be used for other attachment members Q attached to.

By the way, the specific configuration, shape, dimensions and material of the mounting bracket 2, the specific shape and dimensions of the bent piece portion 2A, the specific shape, dimensions, arrangement position and number of the locking groove 2B, and the specifics of the connecting bolts 3. shape, dimensions, material, arrangement position, specific attachment means to the mounting bracket 2, specific configuration, shape, dimensions, material of the temporary fixing member 4, pressure contact piece 4
The specific shape and dimensions of A, the specific configuration and arrangement position of the fastening hole 4B, and the specific shape, arrangement position, number, etc. of the pressure contact projections 4C are not limited to those shown in the drawings, and can be freely changed as appropriate. It is configurable.

(Effect of the invention) Therefore, the fixture according to claim 1 is used as a duct or a raceway, and can attach an appropriate mounting member Q such as a lighting fixture to a lip channel steel P having a relatively wide opening. In the fitting for lip channel steel, there is a mounting bracket 2 that is locked in the lip channel steel P so as to straddle the pair of lip portions P1 of the lip channel steel P, and a mounting bracket 2 that is attached to the lip channel steel P. and includes a connecting bolt 3 projecting outward from the opening of the lip channel steel P, and a pair of pressure contact pieces 4A that are attached to the mounting bracket 2 and press against the facing surfaces of the pair of lip sections P1. The mounting bracket 2 is formed into a groove shape with bent pieces 2A arranged at right angles on both side edges thereof, and has lip parts at predetermined positions of the bent pieces 2A. The temporary fixing member 4 is formed by cutting a locking groove 2B to be locked on P1, and is formed of an elastic band-shaped plate material, and its ends are curved into a substantially arc shape to form a pair of lip portions P1. The pressure contact piece 4A is configured to resiliently press against the opposing surfaces of the mounting bracket 2, and is formed so that the temporary fixing member 4 is accommodated in the groove of the mounting bracket 2. Since it is configured so that the lip portion P1 of the lip channel steel P can be clamped by the groove edge of the locking groove 2B, it is extremely stable even when the lip channel steel P has a relatively wide opening. To provide a low-cost mounting tool for lip channel steel that allows easy and reliable temporary attachment, has a simple structure, is robust, has high strength, and has a good appearance. become able to. Furthermore, it is easy to handle,
Work efficiency is improved, and transportation and storage are also convenient. In other words, it is an optimal fixture for attaching the mounting member Q to a lip channel steel P having a large opening.

In particular, the mounting bracket 2 is formed into a groove shape with bent pieces 2A arranged at right angles on both side edges thereof, and a locking piece that is locked to a lip part P1 at a predetermined position of the bent pieces 2A. Since it is configured by cutting the stop groove 2B, the strength of the mounting bracket 2 itself (mainly the strength against bending) is improved even when used on a lip channel steel P that has a relatively wide opening. In addition, the lip channel steel P can be easily locked to the lip portion P1.

Further, the temporary fixing member 4 is formed of an elastic band-shaped plate material, and includes a pressure contact piece 4A that elastically presses the opposing surfaces of the pair of lip portions P1 by curving the ends into a substantially arc shape. Therefore, even if the lip channel steel P has a large opening, an extremely stable temporary attachment state can be maintained.
Moreover, since the temporary fixing member 4 is formed to fit within the groove of the mounting bracket 2, the temporary fixing member 4 can be stably attached to the mounting bracket 2, and the temporary fixing member 4 is difficult to be exposed to the outside. This improves the appearance and allows the fixture to be made more compact.

Then, the pressure contact piece 4A of the temporary fixing member 4 and the groove edge of the locking groove 2B of the mounting bracket 2
Since the lip part P1 of the pipe is configured so that it can be clamped, the fixture can be temporarily fixed to the lip part P1 of the lip channel steel P more stably, increasing safety during temporary fixing work. Become.

Further, in the attachment device according to claim 2, since an appropriate number of pressure contact protrusions 4C are provided protrudingly on the pressure contact piece portion 4A of the temporary fixing member 4, the pressure contact protrusions 4C are elastically attached to the facing surface of the lip portion P1. The frictional resistance between the temporary fixing member 4 and the facing surface of the lip portion P1 can be reduced, and the lip portion P1 due to the pressure contact piece portion 4A can be reduced.
The optimum holding force for temporary fixing is exerted, and the movement (sliding) of the mounting tool against the lip channel steel P in the temporarily fixed state can be performed smoothly, making it possible to adjust the position when installing the mounting member Q. can be easily done,
Work efficiency is further improved.

[Brief explanation of the drawing]

The drawings illustrate the present invention; Fig. 1 is a cross-sectional view showing the state of use, Fig. 2 is a bottom view, Fig. 3 is an exploded perspective view, and Fig. 4 is an exploded perspective view showing another embodiment. be. P...Rip channel steel, P1...Rip part, Q...
...Mounting member, 2...Mounting bracket, 2A...Bent piece, 2B...Latching groove, 3...Connection bolt, 4...
Temporary fixing member, 4A...Press contact piece portion, 4B...Fixing hole, 4C...Press contact protrusion.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A fixture for lip channel steel used as a duct or raceway and for attaching appropriate mounting members such as lighting equipment to lip channel steel having a relatively wide opening. A mounting bracket that is locked in the lip channel steel so as to span the pair of lip portions of the lip channel steel, and a mounting bracket that is attached to the mounting bracket and protrudes outward from the opening portion of the lip channel steel. It consists of a connecting bolt that is attached to the mounting bracket, and a temporary fixing member that is attached to the mounting bracket and has a pair of press-contact pieces that press against the opposing surfaces of the pair of lip parts. The temporary fixing member is made of a groove formed by connecting parts at right angles to form a groove, and a locking groove is cut in a predetermined position of the bent piece part to be locked to the lip part. By curving the ends into a substantially arc shape, a pressure contact piece is formed that elastically presses the opposing surfaces of the pair of lip parts, and the temporary fixing member is accommodated in the groove of the mounting bracket. A lip channel steel, characterized in that the lip section of the lip channel steel can be clamped by the pressure contact piece of the temporary fixing member and the groove edge of the locking groove of the mounting bracket. mounting hardware. 2. The lip channel steel fixture according to claim 1, wherein an appropriate number of pressure contact protrusions are provided protruding from the pressure contact piece of the temporary fixing member.