JP3477006B2 - Runner fixing bracket - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a runner fixing bracket used when installing a heat insulating inner wall base panel. 2. Description of the Related Art Conventionally, in a steel structure building, when a curtain wall structure is adopted for an outer wall, Japanese Patent Laid-Open No. 8-13 / 1996
As described in Japanese Patent No. 654, at the time of constructing the inner wall, a heat insulating material is packed in each of the divided frames of the wooden frame material framed in a rectangular shape by the vertical rails and the horizontal rails,
By installing a heat-insulating inner-wall base panel with a waterproof and moisture-proof sheet attached to one side of the floor, separated from the outer wall,
It has been proposed to form an insulated inner wall substrate. In the heat insulating inner wall base, a metal fitting body is fixed to an upper end portion of the heat insulating inner wall base panel, a runner is fixed to a floor material in accordance with a steel beam, and a lower end of the heat insulating inner wall base panel is inserted into the runner. It is formed by bringing the metal fitting body into contact with the indoor side edge of the lower flange of the steel beam and biting the fixing member into the indoor edge of the lower flange of the steel beam through the metal body to be fixed. . As a result, the heat insulating property of the indoor space is improved, and at the same time, the ventilation space is secured between the back surface of the outer wall and the heat insulating material to prevent the occurrence of internal dew condensation. [0004] Further, as shown in FIG. 8, a fireproof specification is set in which the surface of a steel beam H is covered with a fireproof coating material R formed of rock wool and ceramic fiber. Although not shown in detail, the refractory coating material R is provided with a wire mesh on its surface so that it does not easily fall off the steel beam H in a fire. [0005] However, when the above-described heat insulating inner wall base is formed, the standing position of the heat insulating inner wall base panel is determined by adjusting the position of the runner and the steel frame fixed to the floor material in accordance with the steel frame. Since it is automatically determined by the metal fitting body that abuts on the indoor side edge of the lower flange, in order to lay the heat insulating inner wall base panel closer to the outer wall or further away from the outer wall, the heat insulating inner wall with respect to the outer wall is required. A plurality of types of metal fittings having different sizes according to the standing position of the base panel are required. Therefore, as long as a single metal fitting body of the same size is used, the distance from the outer wall may be changed depending on the case of trying to secure a wider indoor space, providing a Japanese-style room with a shoji screen, or the relationship with the pillar. It is impossible to erect the heat insulating inner wall base panel. Further, in a fire-resistant building in which the surface of a steel beam is covered with a fire-resistant coating material, in order to fix the above-mentioned metal body to the steel beam with a fixing member, the metal body is inserted, and the fixing member is further inserted. In order to be able to be fitted, the refractory covering material must be largely cut open at the mounting position of the fitting body to expose the steel beam. As a result, fire resistance is reduced, and a large amount of work time is required to cut the wire netting mounted on the surface of the fire-resistant covering material over a large area. [0007] The present invention has been made in view of the above problems, and can be easily attached to a steel beam without deteriorating the fire resistance of the fire-resistant coating material. It is intended to provide a runner fixing bracket which can attach a runner used in the above to an arbitrary position. SUMMARY OF THE INVENTION The present invention provides a base material having a U-shaped cross section including a mounting portion and a vertical portion bent upward from both side edges of the mounting portion, and the base material. An engagement member fixed to one end of the steel beam and having an engagement portion engageable with one edge of the lower flange of the steel beam; An engaging member having an engaging portion engageable with the edge, comprising: piercing the fireproof covering material covering the steel beam to engage one of the engaging members with one edge of the lower flange of the steel beam; The other engaging member is slid to engage the other end of the lower flange of the steel beam from outside the refractory coating material. Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a runner fixing bracket according to the present invention. The runner fixture 1 is attached to the lower flange h1 of the steel beam H,
1 and a base material 11 having a U-shaped cross section including a vertical portion 112 bent upward from both side edges of the mounting portion 111, and a steel beam H welded to one end of the mounting portion 111 of the base material 11. Engaging member 12 having a substantially U-shaped cross section having an engaging portion 12a engageable with one edge of the lower flange h1.
And an engagement member 13 having a substantially U-shaped cross section, which is slidably provided on the attachment portion 111 of the base material 11 and has an engagement portion 13a capable of engaging with the other end of the lower flange h1 of the steel beam H. , The rising piece 1 of the mounting portion 111 of the base material 11
The other engagement member 13 is attached to the nut 14 welded to the nut 11a.
And a hexagon socket head cap screw 15 is screwed. For this reason, by rotating the hexagon socket head cap screw 15 using a hexagon wrench, the other engaging member 13 is attached to the base material 11.
Can be slid along the mounting portion 111. In order to attach the runner fixing bracket 1 to the steel beam H, the runner fixing bracket 1 is gripped, and one engaging member 12 penetrates through the refractory covering material R attached over the steel beam H to penetrate. , The engaging portion 12a of which is
To the outer wall side edge of the lower flange h1. Then
The runner fixture 1 is connected to the engaging portion 12 of the one engaging member 12.
After lifting around the center a, the hexagon socket head cap screw 15 is rotated with a hexagon wrench, and the other engaging member 13 is advanced along the mounting portion 111 of the base material 11. As a result, the engaging portion 13a of the other engaging member 13 engages with the inside edge of the lower flange h1 of the steel beam H from outside the refractory coating material R (see FIG. 2). As described above, the runner fixture 1 can be easily attached to the steel beam H, and the refractory coating material R only allows the one engaging member 12 to penetrate.
There is no decrease in fire resistance. By the way, a runner 2 having a substantially U-shaped cross section is fixed to the above-mentioned runner fixing bracket 1 via a screw so that an upper end portion of a heat insulating inner wall base panel 4 to be described later can be inserted. It has become so. At this time, the runner 2 is attached to the mounting portion 111 of the base material 11 of the runner fixing bracket 1 at a set distance from the reference position.
Is fixed in accordance with the mark-out line attached to.
That is, the runner 2 is moved from the standard position to the outside or the room in the standard position where the center of the runner 2 coincides with the center of the steel beam H (see FIG. It can be fixed at a position moved inward by a fixed distance (see FIGS. 3B and 3C). On the other hand, the fixture 3 for fixing the lower end of the heat insulating inner wall base panel 4 having the upper end inserted through the runner 2 has a length corresponding to the depth of the heat insulating inner wall base panel 4, as shown in FIG. The horizontal portion 31 and the vertical portion 32 bent upward at one end of the horizontal portion 31 are bent in an L-shaped cross section. Is extended. And the fixing bracket 3
Is fixed along the marking line attached to the floor material F in accordance with the fixing position of the runner 2 described above, and the vertical portion 32 is in contact with the back surface of the lower end portion of the heat insulating inner wall base panel 4. It has become. The heat insulating inner wall base panel 4 is provided with a heat insulating material 42 such as rock wool or glass wool packed in a space defined by a wooden frame 41 framed by a vertical rail and a horizontal rail, and waterproofed on one side. It is formed by sticking a moisture-proof sheet (not shown). Next, a case where the heat insulating inner wall base 10 is formed by the above-described runner fixing fitting 1, runner 2, fixing fitting 3, and heat insulating inner wall base panel 4 will be described with reference to FIG. First, the refractory covering material R is attached to the steel beam H, and a refractory board B such as a calcium silicate plate is attached to the surface of the column. When such a fireproof covering work is completed, a plurality of runner fixing brackets 1 are attached to the lower flange h1 of the steel beam H at regular intervals. That is, the runner fixing bracket 1 is gripped, one of the engagement members 12 is pierced through the refractory covering material R and penetrated, and the engagement portion 12a is engaged with the outer wall side edge of the lower flange h1 of the steel beam H. . Next, while the one engaging member 12 is engaged with the outer wall side edge of the lower flange h1 of the steel beam H, the runner fixing bracket 1 is lifted and the hexagon socket head bolt 15 is rotated via a hexagon wrench (not shown). Then, the other engaging member 13 is advanced along the attaching portion 111 of the base material 11, and the engaging portion 13a is engaged from the outside of the refractory covering material R with the indoor side edge of the lower flange h1 of the steel beam H. . When the runner fixing bracket 1 is mounted, black ink is applied to the mounting portion 111 of the base material 11 at a distance set from a reference position, and the runner 2 is arranged in accordance with the black line. Secure with screws. Further, black ink is applied to the floor material F in accordance with the fixing position of the runner 2, and a plurality of fixing metal members 3 are fixed via screws at fixed intervals in accordance with the black lines. As a result, the runner 2 and the fixture 3 are positioned at an accurate distance from a reference position when building a house. Next, the heat insulating inner wall base panel 4 is gripped,
The upper end is inserted into the runner 2, and the lower end rear surface is brought into contact with the vertical portion 32 of the fixture 3, and then the locking piece 33 of the fixture 3 is turned upward to turn the heat-insulating inner wall base panel 4. Adhere to the lower end surface and fix with screws. Hereinafter, the heat insulating inner wall base panel 4 is similarly erected and sectioned. Thereafter, the inner wall board 5 such as a gypsum board may be attached, and the ceiling 6 may be constructed (see FIGS. 6 and 7). As described above, according to the present invention, a base material having a U-shaped cross section including a mounting portion and a vertical portion bent upward from both side edges of the mounting portion is provided. An engagement member fixed to one end of the base material and having an engagement portion engageable with one edge of the lower flange of the steel beam; and a lower flange of the steel beam beam slidably provided on the mounting portion of the base material. And an engaging member having an engaging portion engageable with the other end of the steel beam, and piercing the refractory covering material covering the steel beam to engage one of the engaging members with one edge of the lower flange of the steel beam. Along with sliding the other engaging member from the outside of the refractory covering material to engage the other end of the lower flange of the steel beam,
Along with being able to be easily attached to steel beams without reducing the fire resistance of the fire-resistant covering material, the runner used when installing the heat insulating inner wall base panel can be attached to any position within its length range, It becomes possible to install the heat insulating inner wall base panel at a different distance from the outer wall.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a runner fixing bracket of the present invention. FIG. 2 is a side view showing a state in which the runner fixing bracket of the present invention is attached to a steel beam. FIG. 3 is a cross-sectional view showing a fixing position of a runner to a runner fixing bracket of the present invention. FIG. 4 is a perspective view showing a fixing bracket. FIG. 5 is an explanatory diagram showing a construction state of a heat insulating inner wall base. FIG. 6 is a longitudinal sectional view of an inner wall having a heat insulating inner wall base. FIG. 7 is an enlarged view showing a part of an inner wall in FIG. FIG. 8 is a perspective view showing a fireproof specification in which the surface of a steel beam is covered with a fireproof covering material. DESCRIPTION OF SYMBOLS 1 Runner fixing bracket 11 Base material 111 Attachment section 112 Vertical section 12, 13 Engaging member 12a, 13a Engaging section 2 Runner 3 Fixing bracket 4 Heat insulating inner wall base panel 10 Heat insulating inner wall base H Steel beam h1 Lower flange R Fireproof coating

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) E04B 2/56-2/70 E04B 1/62-1/99 E04B 2/74

Claims (1)

(57) [Claim 1] A base material having a U-shaped cross section including a mounting part and vertical parts bent upward from both side edges of the mounting part, and one end of the base material An engagement member having an engagement portion engageable with one edge of the lower flange of the steel beam, and slidably provided on the mounting portion of the base material,
An engagement member having an engagement portion engageable with the other end of the lower flange of the steel beam, wherein one of the engagement members is pierced through the refractory covering material covering the steel beam and one end of the lower flange of the steel beam is provided. A runner fixing metal fitting which engages with the edge and slides the other engaging member to engage the other end of the lower flange of the steel beam from outside the refractory coating material.