JPH07912B2 - C-shaped steel fixture for building structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention is mainly used for fixing a C-section steel (lip mizo-type steel), which is laid horizontally in order to mount a roof, to a roof main body, or a steel frame construction. The present invention relates to a fixture for C-shaped steel for building structures, which is used when fixing C-shaped steel horizontally installed to attach an outer wall to a steel column vertically erected on a concrete foundation or the like.

"Prior Art" Conventionally, a fixture shown in Fig. 6 has been used as this type of fixture.

That is, 1 is a steel column 2 that is erected on a concrete foundation.
Is an end face L-shaped support piece to be welded to the outer wall 2a, the support piece 1 being a vertical portion 1a attached to the outer wall 2a and the vertical portion 1a.
It is composed of a horizontal portion 1b which is bent in the orthogonal direction from 1a and has a through hole 3 in the central portion.

Then, the C-shaped steel 4 is installed on the horizontal portion 1b of the support piece 1 so that the through hole 5 is aligned with the through hole 3, and the bolt 6 is passed through both the through holes 3 and 5 and the washer 7 is interposed. The bolt 6 is tightened with the nut 8 to fix the C-shaped steel 4 to the support piece 1. Then, an outer wall material (not shown) is attached to the side wall portion 10 having the attachment hole 9 of C-shaped steel by using a suitable fastener.

However, the above fixture has the following drawbacks.

The support piece 1 must be welded to the outer wall 2a of each steel column 2 so as to be completely aligned with the through hole 5 of the C-shaped steel 4. If the through hole 3 of the support piece 1 and the through hole 5 of the C-shaped steel 4 do not match, the bolt 6 cannot be passed through the through holes 3 and 5.

When the above-mentioned fixture is used, it is necessary to form a plurality of through holes 5 for bolts in the C-shaped steel 4, and the through holes 5 are required to have a high accuracy of forming position in relation to the above meaning. It was

The supporting piece 1 must be installed so that the long groove or opening of the C-shaped steel 4 always faces upward.

Therefore, there is a problem that dust and dust remain on the C-shaped steel 4.

"Object of the invention" In view of the above-mentioned conventional drawbacks, the present invention is extremely easy to weld a supporting member in that it is not necessary to attach a nerve to a mounting position of the supporting member, and a C-shaped steel is used for the supporting member. It can be easily fixed, the C-shaped steel does not slip off from the support member, and it is not necessary to form through holes for bolts in the C-shaped steel, and dust does not remain on the C-shaped steel. C type steel can be installed upside down,
To obtain a C-shaped steel fixture for building structures.

"Means for Solving the Object of the Invention" A fixture for C-shaped steel for building structure according to the present invention is a building structure for fixing C-shaped steel for attaching an outer wall material to the outer wall of a roof main body or a steel frame column via the fixture. A fixture for C-type steel for use, wherein the fixture has a vertical mounting portion welded to an outer wall of a roof main body or a steel column, and is connected to a lower end portion of the vertical mounting portion and supports the C-shaped steel. It is composed of an L-shaped support member having a horizontal support portion, and a fixing member that fixes the C-shaped steel in a sandwiched state by dusting the support member, and an insertion hole is formed in the vertical attachment portion of the support member. The fixing member includes a horizontal holding arm to which one end portion having a through hole communicating with the insertion hole is joined to the upper end surface of the vertical mounting portion of the support member, and the horizontal holding arm via the insertion hole and the through hole. At least tightening that sticks to the support member It is characterized by comprising a mounting bolt.

[Examples] Hereinafter, examples of the present invention will be described in detail with reference to the drawings.

In the embodiment shown in FIGS. 1 to 4, 11 is a steel frame column fixed to a concrete foundation 12 in this embodiment. 13 is C type steel (lip mizo type steel). This C type steel
Reference numeral 13 indicates left and right vertical walls 13a, 13a facing each other as shown in FIG.
Although a plurality of mounting holes for mounting the outer wall member 14 are appropriately formed on the connecting wall 13b on the side opposite to the side where the long groove or the opening 13d is formed, a through hole for a bolt is provided. Not not. Reference numerals 13c and 13c denote left and right horizontally facing walls of the C-shaped steel 13.

Reference numeral 15 denotes a fixture for connecting the steel column 11 and the C-shaped steel 13 to each other. The fixture 15 is attached to the outer wall 11a of the steel column 11 as shown in FIG. And a fixing member 17 provided on the support member 16 so that the C-shaped steel 13 supported by the support member 16 can be fixed.

Thus, the supporting member 16 is formed in an L shape as a whole, and has a horizontal supporting portion 18 for supporting the connecting wall 13b of the C-shaped steel 13 or the horizontally opposing walls 13c, 13c, and the horizontal supporting portion 18 and the horizontal supporting portion 18. The vertical mounting portion 19 is welded to the outer wall 11a of the steel column 11. The upper surface of the central portion of the horizontal holding portion 18 is a flat raised portion 18a. The raised portion 18a is just the opening of the C-shaped steel 13.
Fits with 13d. On the other hand, the vertical mounting portion 19 has an insertion portion for inserting the tightening bolt 20, an insertion hole 22 that communicates with the notch portion 21 formed in the surface that abuts the outer wall of the steel column 11 in this embodiment,
Fitting portions 24 for nuts 23, which communicate with the insertion holes 22 and are formed in the lower portion of the vertical mounting portion 19, are respectively provided.

Further, in the present embodiment, the fixing member 17 has a horizontal holding arm 25 whose one end is fitted to the upper end surface of the vertical mounting portion 19 of the supporting member 16 so that the C-shaped steel 13 can be fixed from above.
And the above-mentioned tightening bolt 20 and nut 23 for fixing the horizontal holding arm 25 to the support member 16. Then, a through hole 26 for a tightening bolt that coincides with the insertion hole 22 is formed at one end of the horizontal holding arm 25, and the lower surface of the central portion thereof is flat as in the horizontal support portion 18 of the support member 26. It is a raised portion 25a.

[Operation] In the above configuration, first, the vertical mounting portions 19 of the plurality of support members 16 are welded to desired positions on the outer wall 11a of the steel frame column 11. Next, the C-shaped steel 13 is placed in an upward or downward state and is erected on a plurality of supporting members 16 as shown in FIG. In the case of FIG. 1, the C-section steel 13 is supported by the horizontal support portion 18 of the support member 16 in an upward state. Next, while aligning one end of the horizontal holding arm 25 of the fixing member 17 with the upper end surface of the vertical mounting portion 19 of the support member 16, the tightening bolt 20 is passed through the through hole 26 and the insertion hole 22, and then the nut 23 is attached to the support member 16. Mating part
It is fitted into the nut 24, and the lower end of the tightening bolt 20 is slightly screwed to the nut 23. Then, as shown in FIG. 4, the horizontal holding arm 25 is rotated until it intersects with the C-shaped steel 13 in an orthogonal state, so that the raised portion 18a of the support member 16 faces the opening 13d of the C-shaped steel 13 and the tightening bolt is tightened. Tighten 20 completely. Then, the C-shaped steel 13 is fixedly supported by both the supporting member 16 and the horizontal holding arm 25.

When the C-shaped steel 13 is fixed, the horizontal holding arm 25 is movably attached to the vertical mounting portion 19 of the support member 16 in advance by the tightening bolts 20 and nuts 23, and the C-shaped steel is attached to the horizontal support portion 18 of the support member 16. After mounting 13, the horizontal holding arm 25 may be rotated as shown in FIG. 4 to completely tighten the tightening bolt 20.

Next, the embodiment shown in FIG. 5 will be described. In the description of this embodiment, the same parts as those in the embodiment of the present invention will be designated by the same reference numerals, and overlapping description will be omitted.

In the embodiment shown in FIG. 5, the main difference between the present invention and the embodiment is the support member 16A and the fixing member 17A.

That is, 30 is a female screw portion for the tightening bolt 20A formed in the vertical mounting portion 19A of the support member 16A in a penetrating state.
No nut fitting portion is formed on the support member 16A. Therefore, the fixing member 17A includes the horizontal holding arm 25A and the tightening bolt 20A.

In the above configuration, first, the vertical mounting portion 19A of the support member 16A
Align the horizontal holding arm 25A with the upper end surface of the, and then insert the tightening bolt 20A into the through hole 26 of the horizontal holding arm to insert the female screw 3
Since it is screwed into 0, unlike the above-mentioned embodiment, a nut is unnecessary.

"Effects of the Invention" As is apparent from the above description, the present invention has the effects listed below.

(1) The support member can be immediately welded to a desired position of the steel frame pillar or the roof main body. It is not necessary to use an extra nerve at the welding position unlike the conventional fixture.

Therefore, the work of constructing the C-section steel is significantly improved.

(2) It is not necessary to form through holes for bolts in the connecting wall of C-shaped steel.

(3) The C-shaped steel can be installed so that the long groove or the opening 13d faces downward.

Therefore, the problem of rainwater and dust remaining on the C-shaped steel can be solved.

(4) When C type steel is placed on the support member (16, 16A),
The C-shaped steel can be easily fixed to the support member by the fixing members (17, 17A).

(5) In the case of the above (4), since the supporting member and the fixing member both support the C-shaped steel in a sandwiched state, the C-shaped steel placed on the supporting member does not easily slide.

[Brief description of drawings]

1 to 4 are explanatory views showing an embodiment of the present invention, and FIG. 5 is an explanatory view showing a different embodiment of the present invention.
The figure is an explanatory view showing a conventional example. 11 …… Steel column, 13 …… C type steel, 13d …… Opening, 13c ……
Horizontally facing wall, 14 …… Outer wall material, 15 …… Fixing device, 16, 16A…
… Supporting member, 17, 17A… Fixing member, 19, 19A… Vertical mounting part, 20, 20A… Tightening bolt, 23… Nut, 30
…… Female thread part.

Claims (1)

[Claims] 1. A C-shaped steel fixture for a building structure, wherein a C-shaped steel for fixing an outer wall material to a roof body or an outer wall of a steel column is fixed to the roof body or a steel column by fixing the roof body or the steel column. An L-shaped support member having a vertical mounting portion that is welded to the outer wall of the above, and a horizontal supporting portion that is connected to the lower end portion of the vertical mounting portion and that supports the C-shaped steel, and is dust-proof with this supporting member. And a fixing member for fixing the C-shaped steel in a sandwiched state, and an insertion hole is formed in the vertical mounting portion of the supporting member, while the fixing member is formed in the upper end surface of the vertical mounting portion of the supporting member. A horizontal holding arm having one end having a through hole communicating with the horizontal joining arm, and at least a tightening bolt for fixing the horizontal holding arm to the support member through the insertion hole and the through hole. Fixing C-shaped steel .