JPH0941654A - Support fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily fit a support to a beam by projectingly providing lock parts on contact parts contacted with the surface of the web of the beam, and fitting support connecting parts inserted to the support to the surface of the contact parts through brackets. SOLUTION: Lock parts 8, 9 formed out of upward L-shaped hooks are projectingly provided on the back of the upper parts of the respective contact parts 2, 8 of an upper fitting 1 and a lower fitting 7. The lock parts 3, 9 are inserted into the inserting holes 17 of the web 16 of a beam 13 and hooked, and the contact parts 2, 8 are brought into contact with the surface of the web 16. Further, a support connecting parts 4, 10 of the upper fitting 1 and the lower fitting 7 are projected by a fixed distance from the contact parts 2, 8 through brackets 5, 11, and the lower part of a support 18 is inserted through the support connecting parts 4, 10 so as to be fixed with thumbscrews 6, 12. Consequently, fitting and detaching of the support against the beam can be easily performed.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to the construction of a building,
For steel frame beams that support the stepped part inside the building and the peripheral floor part, it is related to a pillar mounting metal fitting such as a handrail for temporary fall prevention that is easily and surely mounted on the web of an H-shaped steel beam. The present invention relates to a pillar mounting metal fitting that makes it possible.

[0002]

2. Description of the Related Art As prior arts for this type of support fittings, for example, Japanese Utility Model Laid-Open No. 3-74753 (first publicly known technology), Japanese Utility Model Laid-Open No. 57-146662 (second publicly known technology), and Japanese Utility Model No. Japanese Patent Publication No. 3004801 (third known technique) and the like are known.

In the above-mentioned first known technique, an elevating plate or a substrate having an opening through which a column can be inserted is attached to the upper and lower flanges of an H-shaped steel frame beam, and the opening and the substrate of these elevating plates are used. Thus, the support device attaches the columns to the upper and lower flanges with bolts and nuts.

In the second known technique, a support plate having an opening through which the support is inserted is attached to the upper flange of the H-shaped steel frame beam, and the lower part of the support is inserted into the opening of the support plate. By inserting the upper end of the separately prepared insertion rod into the bottom opening of the column, and inserting the lower end of this insertion rod into the hole provided in the upper flange of the steel beam, the column is attached to the upper and lower flanges. It is a technology that is attached and fixed to.

In the third known technique, screw rods and support rods are provided on the lower portions of the columns at predetermined intervals, and the screw rods and the support rods are projected.
After forming through holes through which the screw rod or the supporting rod can be inserted, respectively, above and below the flange on one side of the shaped steel trabecular, after inserting the screw rod and the supporting rod into these through holes, respectively, This is a mounting structure in which a support is mounted and fixed to a flange on one side of a steel frame beam by screwing a nut onto a screw rod.

[0006]

However, in all of the above-mentioned first to third known techniques, the columns are attached to the flanges of the steel beam. Therefore, for example, the columns are attached to the flanges of the steel beams around the stairs. In such a case, there is a problem in that it is impossible to lay a floor material such as an ALC plate on the upper flange of the steel beam because the pillar interferes.

Further, in the above-mentioned publicly known technique, bolts, screws, nuts, etc. were all used when attaching the support column to the flange of the steel frame beam, so a dedicated tool such as a ratchet for fastening the bolts and nuts is used. I needed it. In addition, there is a problem that the mounting work is complicated, a work by two people may be required, and the dismounting work also takes a lot of trouble.

The strut mounting bracket according to the present invention is a completely new technique developed in view of the above-mentioned many problems of the prior art. In particular, it is possible to attach the strut to the web of a steel frame beam. (EN) Provided is a technology for a pillar mounting metal fitting which enables a pillar to be mounted on a web of a steel frame beam by a simple operation without using any special tool required.

[0009]

The strut mounting bracket according to the present invention is a technique in which the above-mentioned conventional problems are fundamentally improved. The gist of the first invention is to mount the strut on a beam. A strut mounting fixture, comprising: a beam fixing portion that can be fixedly attached to the web of the beam, and a strut connecting portion that can hold the strut, wherein the beam fixing portion is an abutting portion that abuts a web surface of the beam. And a locking portion for inserting and locking the insertion hole provided in the web of the beam.

The gist of the second invention of the strut mounting bracket according to the present invention is the strut mounting bracket according to the first invention, wherein the strut is a strut used for handrails. Also, the third
The gist of the invention is the strut mounting bracket according to the first aspect of the invention, wherein the locking portion is formed by an L-shaped hook bent upward.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a strut mounting bracket according to the present invention will be specifically described with reference to the drawings. FIG. 1 shows a part of a structure in which a strut is attached to a beam using the mounting bracket according to the present invention. Cross-sectional explanatory views, FIGS. 2A, 2B, and 2C are perspective views showing the mounting bracket and the column, respectively, FIG. 3 is an explanatory view of the upper left mounting bracket, and FIG. 4 is a description of the upper right mounting bracket. FIG. 5, FIG. 5 is an explanatory view of a lower mounting bracket, FIG. 6 is an explanatory view of a beam, FIG. 7 is a perspective explanatory view showing a process of attaching a strut to the beam, and FIG. 8 is a stair part inside a building and a floor around the stair part. It is isometric view explanatory drawing which shows the pillar for handrails attached to the part.

In FIGS. 1 to 7, reference numeral 1 denotes an upper mounting member, and as shown in FIGS. 3 and 4, two types are prepared, one for the left side and one for the right side. The mounting bracket 1 includes an abutting portion 2 made of a plate capable of abutting the web surface of the beam, an engaging portion 3 made of an upward L-shaped hook projecting from the upper end rear surface of the abutting portion, and a lower portion of the column. It is composed of a cylindrical pillar connecting portion 4 which can be inserted through and supported by a bracket, and a bracket 5 which is connected to the pillar connecting portion 4 so as to project to the surface side of the contact portion 2 and is connected to the side surface of the pillar connecting portion 4. Has a thumbscrew 6 attached.

Reference numeral 7 denotes a lower mounting member, which has a structure substantially equal to that of the upper mounting member 1, and includes an abutting portion 8, a locking portion 9 projecting from the abutting portion, and a strut connection. Part 10,
It is composed of a bracket 11 which connects the strut connecting portion 10 to one side surface of the contact portion 8, and a thumbscrew 12 is attached to the side surface of the strut connecting portion 10. Similar to the above-mentioned mounting bracket 7, a right one not shown is also prepared. Further, the locking portion 9 of the lower mounting member 7 is an upward L-shaped hook, but the locking portion 3 of the upper mounting member 1 can use not only an upward L-shaped hook but also a downward L-shaped hook. .

A beam 13 is made of H-shaped steel. The beam 13 is composed of upper and lower flanges 14 and 15 and a web 16. In particular, as shown in FIG. 6, the beam 1
The web 16 of 3 has a pair of insertion holes 17 for inserting bolts or the like used for joining the beams, which are provided in parallel above and below in advance. Reference numeral 18 denotes a handrail supporting column, the lower portion of which has an outer diameter that can be inserted into the column connecting portions 4 and 10. A ring 19 is provided at a predetermined position below this.

The structure for attaching the support to the beam by using the support fitting according to the present invention is as follows. That is, as shown in FIG. 1, FIG. 7 and FIG. 8, the fittings 1 and 7 according to the present invention are provided with engaging portions 3 and 9 formed of upward L-shaped hooks on the rear surfaces of the upper ends of the contact portions 2 and 8, respectively. Since they are projected, these locking portions 3 and 9 are inserted into the insertion holes 17 of the web 16 of the beam 13 and hooked, and the contact portions 2 and 8 of the web 16 are positioned below the locking portions. The fittings 1 and 7 can be attached to the web 16 by abutting on the surface.

As shown in FIGS. 3 and 4, by preparing two kinds of mounting brackets 1 and 7, either the right or left beam 1 can be obtained.
It can be attached to 3 and used. In addition, the pillar connecting portions 4 and 10 of the mounting brackets 1 and 7 are respectively the bracket 5 and
Since the protrusions 11 project from the abutting portions 2 and 8 by a predetermined distance, the support fittings 4 and 10 are attached to the web 16 by attaching the mounting brackets 1 and 7.
It can be arranged outside the edges of 4, 15.

Next, the lower portions of the columns 18 are inserted into the column connecting portions 4 and 10, respectively, and the ring 19 previously provided on the lower portions of the columns 18 is brought into contact with the upper edge of the column connecting portions 4. By positioning with the thumbscrews 6 and 12, and tightening the thumbscrews 6 and 12, the lower portion of the column 18 can be fixed to the column connecting portions 4 and 10, and the column 18 can be attached and fixed to the beam 13. In this way, the plurality of handrail members 20 are attached to the pillar 18 attached to the beam 13.
By straddling the rails, handrails can be formed around the stairs in the building as shown in FIG.

As described above, in the strut mounting bracket according to the present invention, the engaging portions 3 and 9 formed of the upward L-shaped hooks are provided on the rear surfaces of the upper ends of the abutting portions 2 and 8, respectively. By inserting 3 and 9 into the insertion holes 17 provided in the web 16 of the beam 13 and hooking them, the contact portions 2 and 8 are respectively attached to the web 16.
It can be hung on. Two pairs of locking parts 3, 9
By providing, the engagement can be made more stable. Therefore, unlike the prior art, no bolts, screws, or nuts are required, and it is not necessary to use a dedicated tool such as a ratchet used for them.

Further, as described above, the abutting portions 2 and 8 can be brought into close contact with the surface of the web 16 in a stable state by hooking the locking portions 3 and 9 to the insertion holes 17 of the web 16. I can. Moreover, in the support fitting of the present invention, the support 18 can be very easily removed from the beam 13 by simply pulling out the locking portions 3 and 9 inserted into the insertion holes 17 as described above.

Since the lower portion of the column 18 is inserted into the column connecting portions 4 and 10 to attach the column 18 to the column connecting portions 4 and 10, the column 18 can be easily attached and detached. In addition, by tightening the thumbscrews 6 and 12 attached to the pillar connecting portions 4 and 10,
Can be firmly attached to the column connecting portions 4 and 10.

Since the strut connecting portions 4 and 10 are protruded from the abutting portions 2 and 8 by a predetermined distance via the brackets 5 and 11, the strut connecting portions 4 and 10 are connected to the upper and lower flanges 1 of the beam 13.
It is possible to project outward from the edges of 4, 15 so that the support 18 can be easily attached. In the present invention, the support 18 is provided on the web 16 of the beam 13.
Since it is attached to the flanges 14 and 15, it is not necessary to attach the columns 18 to the flanges 14 and 15, and thus there is no problem in laying a floor material such as an ALC plate on the upper flange 14 of the beam 13.

[0022]

Since the strut mounting bracket according to the present invention has the above-described structure and function, it has the following great effects.

(1) The metal fitting can be attached to the beam web very easily simply by hooking the engaging portion in the insertion hole of the beam web. (2) Therefore, bolts, screws, and nuts are completely unnecessary, and special tools used for them are also completely unnecessary. (3) It is easy to remove the metal fittings.

(4) The strut connecting portion can be arranged so as to project outward from the end edges of the upper and lower flanges of the beam. (5)
It is easy to attach the support to the support connection part. (6) Since the columns are attached to the beam web, the floor material can be laid on the upper flange of the beam. (7) Therefore, even after laying the floor material, the handrail can be installed as it is,
It is effective in preventing falls.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional explanatory view of a structure in which a support column is attached to a beam using a mounting bracket according to the present invention.

FIGS. 2A, 2B, and 2C are perspective views showing a mounting bracket and a column, respectively.

FIG. 3 is an explanatory diagram of an upper left mounting bracket.

FIG. 4 is an explanatory diagram of an upper right mounting bracket.

FIG. 5 is an explanatory diagram of a lower mounting bracket.

FIG. 6 is an explanatory diagram of a beam.

FIG. 7 is a perspective explanatory view showing a step of attaching a support to a beam.

FIG. 8 is an explanatory perspective view showing the columns for handrails attached to the stairs inside the building and the floor around the stairs.

[Explanation of symbols] 1 Mounting bracket 2 Abutment part 3 Locking part 4 Strut connecting part 5 Bracket 6 Thumbscrew 7 Mounting bracket 8 Abutment part 9 Locking part 10 Strut connecting part 11 Bracket 12 Thumbscrew 13 Beam 14,15 Flange 16 Web 17 Through hole 18 Strut 19 Ring 20 Handrail

Claims (3)

[Claims] 1. A strut mounting bracket for mounting a strut to a beam, comprising: a beam fixing portion capable of being fixedly attached to a web of the beam; and a strut connecting portion capable of holding the strut, wherein the beam fixing portion is a beam. A support mounting bracket, which is characterized in that it is composed of an abutting portion that comes into contact with the web surface of the above, and a locking portion that is inserted into a through hole provided in the web of the beam and is hooked. 2. The strut mounting bracket according to claim 1, wherein the strut is a strut used for a handrail. 3. The strut mounting bracket according to claim 1, wherein the engaging portion is formed by an L-shaped hook bent upward.