JPH0734988Y2 - Ceiling bar suspension structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a ceiling bar 2 having a substantially T-shape on the ceiling portion when it is used as a support material for installing an air conditioner or the like on the ceiling portion. The present invention relates to a structure for suspending a ceiling bar when passing books in parallel in the horizontal direction.

[Conventional technology]

As shown in FIG. 5, a substantially T-shaped bar 1 having a flange 1b protruding vertically from both sides of the web 1a is widely used as a ceiling bar. In order to reinforce the other end of the web 1a, the ceiling bar 1 has a head 1c at the other end so that a square member is formed so that the same face is perpendicular to the web 1a at the center of one face thereof. It is common to integrate them. When the T-shaped bar 1 is used as a support material for installing an air conditioner 6 or the like on the ceiling portion, conventionally, by the hanging structure shown in FIG. The webs 1a were vertically arranged so that the flanges 1b faced down, and were passed in parallel in the horizontal direction. That is, each web 1 so that each flange 1b is on the bottom.
Both ends of the base material 12a are respectively placed between the ceiling bars 1 and 1 which are parallel to each other in a horizontal direction with 1a being vertical.
The inverted U-shaped connecting member 12 is arranged so as to face a, and the leg pieces 12b provided at both ends of the base material 12a are arranged so as to hang down along the inside of the web 1a, and the leg pieces 12b are placed on the web. The vertical pieces 12c and 12 are provided on both sides of the central portion of the base member 12a of the connecting member, while being fixed to the la by tapping screws or rivets 13.
The tubular member 14a at the lower end of the hanger 14 is disposed between the c and the tubular member 14a of the hanger is inserted through a hole provided in one vertical piece 12c of the connecting member.
Through the hole provided in the other vertical piece 12c of the connecting member, pass the bolt 15, fix the connecting member 12 to the hanger 14 with the bolt 15, and hang it on the horizontal piece 14b at the upper end of the hanger. The lower end of the bolt 5 was fixed. The air conditioning equipment 6 and the like are placed on the respective flanges 1b, 1b of the ceiling bars 1, 1 thus suspended.

[Problems to be solved by the device]

Since the above-mentioned conventional hanging structure of the T-shaped ceiling bar is as described above, in order to fix the connecting member and the ceiling bar with the tapping screw or the rivet, the pilot hole drilling work is performed on the spot. There is a problem that it is necessary to perform the preparation work on site at the time of connecting the members. Moreover, in addition to the work of tightening and fixing the ceiling bar and the connecting member, two work of fixing the connecting member and the hanger with bolts and the work of fixing the hanger and the suspension bolt are necessary. There was also a problem that there were many work processes.

An object of the present invention is to eliminate such complexity of work involved in suspending a ceiling bar.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, the present invention provides two substantially T-shaped ceiling bars having a flange at one end of the web protruding vertically from both sides of the web and a head at the other end. It has a structure in which the web is hung vertically and parallel to the horizontal direction, and the web is suspended between both ceiling bars and the both ends of the base material are arranged so that both ends face the respective webs. A first connecting member having leg pieces arranged so as to hang down from the base material along the inside of the web and having a horizontal piece at the center upper end is arranged, and both ends are provided above both ceiling bars. At the both ends of the base material horizontal piece arranged so as to face the web, leg pieces arranged so as to hang down from the horizontal piece along the outside of the web are provided at the both ends, and the ceiling bar is provided at the lower end of the leg piece. Has a locking part that goes under the head of A second connecting member is disposed, the lower ends of the hanging bolts are fixed to the lateral pieces of the connecting members that are overlapped with each other, and the lower ends of the tightening bolts that are vertically screwed in the vicinity of both ends of the lateral piece of the second connecting member are on the ceiling. A gist of a structure for suspending a ceiling bar is characterized in that the head of the utility bar is tightened between the head and the locking portion.

[Action]

In this invention, the leg pieces of the first connecting member are arranged along the inside of the web of the ceiling bar and the leg pieces of the second connecting member are arranged along the outside of the web of the ceiling bar to sandwich the web from the inside and outside. The connecting member and the ceiling bar are connected by sandwiching the head located at the upper end of the web of the connecting member with the engaging portion provided on the lower end of the leg of the connecting member and the fastening bolt provided on the lateral piece of the base material of the second connecting member. is doing. Further, the horizontal piece of the first connecting member and the horizontal piece of the base material of the second connecting member are overlapped and directly fixed to the lower end of the hanging bolt without using a hanger.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings showing an embodiment thereof.

FIG. 1 shows a structure for suspending a ceiling bar according to the present invention when mounting and supporting an air conditioning facility.
FIG. 2 shows this structure in cross section. And the third
The figure shows the first connecting member used in this structure,
The figure shows the second connecting member used in this structure. As shown in the figure, both ends of the base material 2a are respectively placed between the ceiling bars 1 and 1 which are arranged in parallel in the horizontal direction with each web 1a being vertical so that each flange 1b faces downward. The first connecting member 2 is arranged so as to face 1a. At the upper end of the web 1a, a head 1c made of a cylindrical square material is integrated so that the same surface is perpendicular to the web 1a at the center of the lower surface. The base material 2a is provided with leg pieces 2b and 2b at both ends thereof, and the leg pieces 2b are arranged so as to hang down along the inside of the web 1a. The first connecting member 2 also includes a horizontal piece 2c at the center upper end of the base material 2a. The second connecting member 4 is arranged above the ceiling bars 1 and 1 so that both ends of the base material horizontal piece 4a face the webs 1a and 1a of the ceiling bars. The second connecting member 4 is provided with leg pieces 4b, 4b arranged at both ends of the base material horizontal piece 4a so as to hang down from the horizontal piece along each outer side of the webs 1a, 1a of both ceiling bars. Along with the lower end of the leg, a locking part that goes under the head 1c of the ceiling bar
It also has 4c and 4c. Then, the horizontal pieces 2c of both connecting members,
4a are overlapped with each other, the lower end of the hanging bolt 5a is inserted into the former bolt hole 2d and the latter bolt groove 4d, and nuts 5b and 5b screwed into the bolt sandwich both lateral pieces 2c and 4a from above and below. Thus, the connecting members 2 and 4 are fixed to the lower end of the suspension bolt 5. The bolt hole 2d may be a bolt groove, and the bolt groove 4d may be a bolt hole. Second
The connecting member has screw holes 4e, 4e near both ends of the base material horizontal piece 4a.
And the tightening bolts 3 are screwed in vertically from above. The bottom surface of the screw hole 4e
A nut 4f is fixed to form a continuous thread groove. The lower end of the bolt 3 fastens the head portion 1c of the ceiling bar to the locking portion 4c. The air conditioning equipment 6 is placed on the respective flanges 1b, 1b of the ceiling bars 1, 1 thus suspended.

[Effect of device]

In this invention, when connecting the connecting member to the ceiling bar,
The connecting member is composed of first and second connecting members, and the leg pieces of the first connecting member are arranged inside the web of the ceiling bar and the leg pieces of the second connecting member are arranged outside the web of the ceiling bar. In addition, the web is sandwiched between the inside and the outside, and the locking portion provided at the lower end of the leg of the second connecting member is inserted under the head located at the upper end of the web of the ceiling bar to form the base of the second connecting member. The head is clamped by the lower end of the tightening bolts provided on the horizontal member of the material so that the head is sandwiched between the locking portion and the locking portion, so that it is not necessary to fix the head by tapping screws or rivets as in the conventional case. As a result, there is no need to drill a pilot hole in the web to pass the bolt. The web of the ceiling bar has a through hole in advance for hanging the number line, etc., but it is not possible to make a tapping screw or rivet pilot hole where such a through hole exists. In the conventional suspension structure, there is a restriction on the position where the connecting member is fixed, but when the method for connecting the connecting member and the ceiling bar of the present invention is used, there is no restriction on the connecting and fixing position. Further, since the horizontal piece of the first connecting member and the horizontal piece of the base material of the second connecting member are overlapped and fixed to the lower end of the hanging bolt, a hanger as in the conventional case is not required. According to the present invention, the bolts are fastened and fixed only when both connecting members are fixed to the lower ends of the hanging bolts and when the head of the ceiling bar is fastened by the tightening bolts provided on the second connecting member. , One less tightening and fixing work than the conventional one.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a structure for suspending a ceiling bar according to the present invention when mounting and supporting an air conditioning facility, and FIG. 2 is a sectional view of the structure of the embodiment, and FIG. FIGS. 4A and 4B are a side view and a plan view showing the first connecting member used in the structure of the embodiment, and FIGS. 4A and 4B.
FIG. 5 is a plan view and a side view showing a second connecting member used in the structure of the embodiment, and FIG. 5 is a perspective view showing a conventional ceiling bar hanging structure. 1 ... Ceiling bar, 1a ... Web, 1b ... Flange, 1c
...... Head, 2 …… First connection member, 2a …… Base material, 2b …… Leg piece, 2c …… Horizontal piece, 3 …… Tightening bolt, 4 …… Second connection member, 4a …… Base material Side piece, 4b …… Leg piece, 4c …… Locking part,
5 ... Hanging bolt

Claims (1)

[Scope of utility model registration request] 1. A substantially T-shaped ceiling bar having a flange at one end of the web protruding vertically from both sides of the web and having a head at the other end, and the web is vertically oriented so that the flange faces downward. And a structure in which the web is hung in a state of being parallel to the horizontal direction, and the two bases are arranged between the ceiling bars so that both ends face the respective webs. A first connecting member having leg pieces arranged so as to hang down along the inner side and having a horizontal piece at the center upper end is arranged, and both ends are directed to respective webs above both ceiling bars. Provided at both ends of the base material horizontal piece to be arranged are leg pieces arranged to hang down from the same horizontal piece along the outside of the web, and at the lower end of the leg piece below the head of the ceiling bar. Second with a locking part to get in
The connecting members are arranged, the lower ends of the hanging bolts are fixed to the horizontal pieces of the connecting members, and the lower ends of the tightening bolts vertically screwed in the vicinity of both ends of the horizontal piece of the second connecting member have the lower ends of the ceiling bars. A structure for suspending a ceiling bar, characterized in that the head is tightened between the locking portion.