JPH0644922U - Beam enclosure structure - Google Patents

Abstract

(57) [Abstract] [Purpose] Boards 10a, 10b surrounding beams such as H-section steel 1
It is an object of the present invention to provide a beam-enclosing structure with high accuracy, which can be securely attached, is easy to work with, and has the dimensional accuracy, straightness, and levelness of H-section steel. [Structure] On the lower surface side of the deck plate corresponding to both sides 1e, 1e of the upper horizontal piece 1a of the H-shaped steel 1 provided on the lower surface side of the deck plate, a cross-section reverse U along the upper horizontal piece 1a.
Fix the U-shaped runners 2 and 3 and attach the U-shaped frame member 4 to the above H
The upper ends 5a, 6a of the studs 5, 6 of the U-shaped frame members 4 are fitted and fitted to the opening sides of the runners 2, 3 by arranging them at appropriate intervals along the longitudinal direction of the shaped steel 1. Boards 10a and 10b are attached to the runners 2 and 3, the studs 5 and 6 of the U-shaped frame member 4, and the outer surfaces 5f, 6f and 7f of the horizontal connecting piece 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure surrounding a beam of H-section steel or the like provided on the lower surface side of a deck plate, for example.

[0002]

[Prior art]

 Conventionally, as a structure surrounding a beam of H-section steel or the like provided on the lower surface side of a deck plate, there is a beam surrounding structure as shown in FIG.

In this, an H-shaped steel 1 is provided as a beam on a lower surface 20a of a deck plate D for placing concrete 20, and the H-shaped steel 1 is surrounded by a board. The H-section steel 1 has an upper horizontal piece 1a attached to the deck plate D and a lower horizontal piece 1c facing the upper horizontal piece 1a via a vertical piece 1b extending below the upper horizontal piece 1a. It consists of First of all, on both sides of the vertical piece 1b of the H-section steel 1 and the upper and lower horizontal pieces 1a and 1c, a scrap plate 11a made of the same material as the board is inserted and attached to the H-section steel 1 in advance with an adhesive or the like. . In this case, the scrap plate 11a is provided at appropriate intervals including the joint portions 10s of the board 10a mounted on both sides of the H-shaped steel 1, and further the board 10a is mounted on the end face 11s of the scrap plate 11a by a round nail 1s or the like. I have to. Further, a bottom plate 1d of the lower horizontal piece 1c is attached with an adhesive or the like at a suitable interval to the scrapboard 11b cut into the width of the lower horizontal piece 1c, and the board 10b is adhesively fixed through the scrapboard 11b. A lower end 10e of the board 10a and both ends 10f of the board 10b are attached with a round nail 1s. Further, as the boards 10a, 10b and the discarding boards 11a, 11b described above, fireproof coated molded boards for fireproofing or the like are used.

[0004]

[Problems to be solved by the device]

 In general, it is desirable to mount the board on a metal or other base that can be screwed from the standpoint of securing the board and workability. However, in the above-mentioned beam-enclosed structure, the board mounting base is the waste boards 11a and 11b of the same board, the board cannot be screwed, and the board is fixed with an adhesive and a nail. Therefore, it is unreliable in terms of reliability of fixing the board, and there is a risk of falling. In addition, the waste plates 11a and 11b must be cut and aligned and attached, and since an adhesive and a nail are used, the work is complicated. Furthermore, since the board is directly attached to the H-section steel itself, there is a problem in that the H-section steel bends and the horizontal deviation appears as it is.

The present invention has been made in order to solve the above-mentioned problems, and when mounting a board that surrounds a beam, it has a structure that has a base to which this board can be screwed. It is an object of the present invention to provide a high-precision beam enclosure structure that is not affected by inaccuracy in the steel body and its construction, and deviations in straightness and horizontality.

[0006]

[Means for Solving the Problems]

 The beam enclosure structure of the present invention has a reverse U-shaped cross section along the above-mentioned beam on the lower surface side of the deck plate or concrete corresponding to both sides of the beam (H-shaped steel 1) provided on the lower surface 20a side of the deck plate D or concrete. Two studs 5 and 6 that fix the character-shaped runners 2 and 3 and face each other on both sides of the beam, and a horizontal connecting piece that connects the lower end of the stud to the lower side of the beam. 7 and the U-shaped frame member 4 composed of 7 and the U-shaped frame members arranged at appropriate intervals along the longitudinal direction of the beam, and the upper end side of the stud of each U-shaped frame member The boards 10a and 10b are mounted on the outer surface of the runner, the studs of the U-shaped frame members, and the horizontal connecting pieces by fitting them on the opening side.

[0007]

[Action]

 Install the runners linearly on the underside of the deck plate along both sides of the beam. Attach the upper ends of the U-shaped frame studs to the runners on both sides. At this time, attach so that the lower surface of the horizontal connecting piece of each U-shaped frame member is horizontal. As a result, a base is formed by a frame material for screwing the board to both side surfaces and the lower surface of the beam, and the board can be screwed to the base.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the construction of a beam enclosure according to the present invention. In the figure, reference numeral 1 is an H-shaped steel that supports the lower surface side of a deck plate D as a beam, and this is a deck plate D as shown in FIG. An upper horizontal piece 1a attached to the upper horizontal piece 1a, and a lower horizontal piece 1c opposed to the upper horizontal piece 1a through a vertical piece 1b extending downward from the upper horizontal piece 1a. Reference numerals 2 and 3 denote long ends 1e of the upper horizontal piece 1a with the opening side facing downward, and long runners having an inverted U-shaped cross section which are linearly attached to the 1e side along the longitudinal direction. It is fixed to the deck plate D corresponding to the 1e side with tacks or screws 2s and 3s. Reference numeral 4 is a U-shaped frame material that serves as a mounting base for the board surrounding the H-shaped steel 1. This is two metal cross-sections that are arranged in parallel with each other such that the upper ends 5a and 6a correspond to the openings of the runners 2 and 3 and the lower ends 5b and 6b project below the sewage flat piece 1c. The studs 5 and 6 and the two studs 5 and 6 that are connected to cover the lower ends 5b and 6b of the studs 5 and 6 are connected to each other and are positioned below the lower horizontal piece 10 and have a metal cross section with an inverted U-shape. It is composed of a connecting piece 7. The length of the horizontal connecting piece 7 is set to the length L between the outer falling pieces 2a, 3a of the runners 2, 3, and the length of the studs 5, 6 is longer than the height h of the H-section steel 1. Is set. The lower ends 5b and 6b of the studs 5 and 6 are fitted into both ends 7a and 7a of the horizontal connecting piece 7 through openings, and attached by screws 7s. At this time, the lower ends 5b, 6b of the studs 5, 6 are brought into contact with the bottom inner surface 7u of the horizontal connecting piece 7 as shown in FIG. 4, and the outer surfaces 5f, 6f of the studs 5, 6 are horizontally moved as shown in FIG. Screw fixing is performed in a state where both end edges 7e, 7e of the connecting piece 7 are aligned. As a result, the U-shaped frame member 4 having the studs 5 and 6 perpendicular to the horizontal connecting piece 7 is obtained. As shown in FIG. 4, the screws 7s are fixed to the rising piece 7b of the horizontal connecting piece 7 by two upper and lower portions, so that the perpendicularity of the studs 5 and 6 to the horizontal connecting piece 7 is firmly secured. To be done.

A plurality of U-shaped frame members 4 are prepared in advance, and these U-shaped frame members 4 are arranged at appropriate intervals along the longitudinal direction of the beam of the H-shaped steel 1. , 4, ... The upper ends 5a, 6a of the studs 5, 6 are fitted to the open sides of the runners 2, 3 and attached with rivets or screws 5s. Next, fasten the upper ends of both side boards 10a, 10a to the outer surfaces of the falling pieces 2a, 3a on the outside of the upper runners 2, 3 with screws 10g (and also the outer surfaces of the studs 5, 6 with screws 10g. The lower end side is fixed to the outer surface of the lower ends 5b and 6b of the studs 5 and 6 with the screw 8s. Then, the beam of the H-shaped steel 1 can be surrounded by fixing the bottom board 10b to the lower surface of the horizontal connecting piece 7 with the screw 10g. When the lower ends of the boards 10a, 10a are fastened with screws 8s, the rising pieces 8a of the L-shaped connecting piece 8 are preliminarily attached to the outer surfaces of the boards 10a, 10a and the lower ends 5b, 6b of the studs 5, 6. The horizontal piece 8b of the connecting piece 8 is brought into contact with the lower surface of the horizontal connecting piece 7 and then sewn onto the lower ends 5b, 6b of the studs 5, 6 via the connecting piece 8 with the screw 8s. The bottom board 10b can be fastened not only to the lower surface of the horizontal connecting piece 7 of the U-shaped frame member 4 but also to the middle of the horizontal connecting pieces 7 and 7 with the screw 10h, so that the bottom board does not have a wavy beam enclosure. Is obtained.

In the above embodiment, an H-shaped steel beam was used as an example of the beam, but the beam is not limited to this. For example, in the case of a beam provided by projecting concrete itself on the lower surface side of concrete, etc. The present invention can also be applied to. Further, the frame member 4 may be made of wood instead of metal, as long as it forms a base that can be screwed to the board.

[0011]

[Effect of device]

 According to the beam enclosure structure of the present invention, runners having an inverted U-shaped cross section are fixed along the beam to the lower surface sides of the deck plate and the concrete corresponding to both sides of the beam, and the runners are opposed to both sides of the beam. And has a U-shaped frame member composed of two studs facing each other and a horizontal connecting piece facing the lower side of the beam and connecting the lower ends of the studs. Arrange them at appropriate intervals along the longitudinal direction of the beam and fit the upper end side of the stud of each U-shaped frame member to the opening side of the runner to attach it, and then attach the runner and the stud of each U-shaped frame member. Also, since the board is mounted on the outer surface of the horizontal connecting piece, the board surrounding the beam can be mounted on the frame material that constitutes the board mounting base that can be screwed, and the board can be securely mounted without falling off. Can be performed and the work is easy, and the accuracy, straightness, water Elaborate surrounds the deviation degrees, can be obtained excellent beam enclosure in accurate appearance.

[Brief description of drawings]

FIG. 1 is a structural perspective view showing a beam enclosure structure of the present invention.

FIG. 2 is a diagram showing a positional relationship between an H-shaped steel and a U-shaped frame member.

FIG. 3 is a perspective view of a U-shaped frame member.

FIG. 4 is a diagram showing a method of connecting a stud and a horizontal connecting piece in a U-shaped frame member.

FIG. 5 is a configuration perspective view showing a conventional beam enclosure structure.

[Explanation of symbols]

 1 H-shaped steel (beam) 2,3 Runner 4 U-shaped frame material 5,6 Stud 7 Horizontal connection piece 10a, 10b Board 20 Concrete D Deck plate

Claims (1)

[Scope of utility model registration request] 1. A beam enclosing structure for covering a circumference of a beam provided on a lower surface side of a deck plate or concrete, wherein a cross section of an inverse U along the beam is formed on a lower surface side of the deck plate or concrete corresponding to both sides of the beam. A U-shape that fixes a U-shaped runner and is composed of two studs that face each other on both sides of the beam and that face each other, and a horizontal connecting piece that faces the lower side of the beam and connects the lower end of the stud. It has a frame material, and this U-shaped frame material is arranged at appropriate intervals along the longitudinal direction of the beam, and the upper end side of the stud of each U-shaped frame material is fitted and attached to the opening side of the runner. A beam enclosure structure characterized in that a board is attached to the outer surface of the runner, the studs of each U-shaped frame member, and the horizontal connecting piece.