JPH0738513Y2 - Anti-rest fixture for ceiling base - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a steady rest mounting tool for a ceiling base, and in particular, for mounting an auxiliary bolt as a steady rest used in a deep ceiling space on a main bolt. Regarding a steady rest mounting tool for the ceiling base.

[Prior Art] Generally, at a site where the ceiling rim needs to be deepened, the length of the bolt hanging from the ceiling slab becomes long. In this case, when the horizontal shaking force in the vertical and horizontal directions acts on the field edge retainer that is held at the lower end side of the bolt via the hanger, the field edge receptor swings due to the long bolt length, and There is a problem in that it is impossible to stably hold the field edge and the ceiling plate that are held by the edge receiver.

Therefore, in order to deal with this problem, Japanese Patent Application No. 63-9809
No. 7 (see Japanese Utility Model Application Laid-Open No. 2-18813) is the applicant's "rest-preventing structure for the ceiling base".

This is the ceiling slab 1 as shown in FIGS.
A plurality of main bolts 2 which hang down, each hanger 4 which is attached to the lower end side of the main bolts 2 and holds each of the field edge receivers 3 in a parallel arrangement, and is screwed to the upper end side of the main bolts 2. , Runout to screw on the upper end side of the auxiliary bolts 2m, 2m extending obliquely in the extension direction of the field edge receiver 3 or the upper end side of the auxiliary bolts 2n, 2n extending obliquely in the direction orthogonal to the field edge receiver 3 The fixing fixture 5 and the auxiliary hangers 6 and 7 which are attached to the lower end sides of the respective auxiliary bolts 2m and 2n as the steady rest and which hold the field edge receiver 3 are provided.

[Problems to be Solved by the Invention] However, according to the above-described conventional ceiling base steady rest structure, the steady rest fixture 5 is previously screwed from the upper end side of the main bolt 2 and then screwed into the insert 1a of the ceiling slab 1. I have to. Therefore, when arranging the auxiliary bolts 2m and 2n after that, when it is necessary to reinforce the parts that were not originally planned with the auxiliary bolts 2m and 2n for the addition of partition walls and the change of position, the ceiling base Since it has been completed, there is a problem in that it is impossible to add the steady rest fixture 5.

The present invention has been made to solve the above problems,
The purpose of the present invention is to obtain a steady rest mounting tool for the ceiling base that can be easily added to the main bolt and can be easily reinforced even if the construction is changed.

[Means for Solving the Problems] A steady rest mounting tool for a ceiling substrate according to the present invention has a base piece facing a side portion of a main bolt and a trapezoidal inclined surface having the base piece as a top surface. The upper and lower fixing pieces bent in the direction of the main bolt from the upper and lower edges of the base piece are screwed into the screw holes formed in the center of the base piece, and the tip ends contact the main bolt. A fixing means is provided, and a notch into which the main bolt is inserted is formed on the side edge side of the upper fixing piece that extends from one side edge of the base piece, and from the other side edge of the base piece. On the side edge side of the extending upper fixing piece, a screw hole for screwing the upper end side of the auxiliary bolt is formed, and on the side edge side of the lower fixing piece extending from the other side edge of the base piece. , Forming a notch into which the main bolt is inserted and extending from one side edge of the base piece A screw hole for screwing the upper end side of the auxiliary bolt is formed on the side edge side of the lower fixing piece, and each fixing piece is formed in a rotationally symmetrical shape around the screw hole. .

[Operation] The steady rest can be attached to the main bolt from the lateral direction. That is, when attaching to the main bolt, by rotating each fixing piece with the main bolt as a boundary from the left and right positions, the notches are engaged with the upper and lower positions of the main bolt, and then fixed. Tighten the means. Further, even after tightening the fixing means, the steady rest attachment itself can rotate around the main bolt, and the direction of the steady rest attachment is corrected according to the direction of the auxiliary bolt. After the orientation is corrected in this way, the balance is balanced so that the steady rest does not rotate around the main bolt, and the notch is firmly pressed against the main bolt by tightening the fixing means. There is no rotation around the means and no further vertical movement.

[Embodiment] An embodiment of a steady rest mounting tool for a ceiling substrate according to the present invention will be described below with reference to FIGS. 1 to 4. The fifth
The same parts as those of the conventional example shown in FIGS.

FIG. 1 is a simplified configuration diagram of a steady rest structure using a steady rest mounting fixture of the present invention. In FIG. 1, 8 is a steady rest fixture of the present invention, which is a side portion of a main bolt 2. That is, the base piece 9 facing the screw and the upper and lower edges 9 of the base piece 9 are formed so as to form a trapezoidal inclined surface having the base piece 9 as a top surface.
Upper and lower fixing pieces 10A, bent from a and 9b in two directions of the main bolt,
10B and a screw 11 (fixing means) that is screwed to the base piece 9 and has a tip that abuts on the main bolt 2. A screw hole 9x for screwing the screw 11 is formed in the center of the base piece 9.

The main bolt 2 is provided on one side edge 10a side of the upper fixing piece 10A.
Is formed with a notch 12A, and the other side edge 10b is formed.
The side is formed in a semi-circular shape, and each auxiliary bolt 2m, 2n
Has a screw hole 13A for screwing the upper end side thereof.

In addition, a notch 12B into which the main bolt 2 is inserted is formed on the other side edge 10c side of the lower fixing piece 10B, and one side edge 10d side is formed in a semicircular shape. A screw hole 13B for screwing the upper end side of the auxiliary bolts 2m, 2n is formed.

That is, on the side edge 10a side of the upper fixing piece 10A extending from one side edge 9c of the base piece 9, a notch 12A into which the main bolt 2 is inserted is formed, and at the same time, the base piece 9 is formed. On the side edge 10b side of the upper fixing piece 10A extending from the other side edge 9d, a screw hole 13A for screwing the upper end side of the auxiliary bolts 2m, 2n.
Are formed. Further, a notch 12B into which the main bolt 2 is inserted is formed on the side edge 10c side of the lower fixing piece 10B extending from the other side edge 9d of the base piece 9, and
The lower fixing piece 10 extending from one side edge 9c of the base piece 9
On the side edge 10d side of B, there is formed a screw hole 13B into which the upper ends of the auxiliary bolts 2m and 2n are screwed.

That is, each of the fixing pieces 10A and 10B is formed in a rotationally symmetrical shape about the screw hole 9x.

On the rear end 12e side of the notches 12A, 12B, a recess 12a is formed on the side where the bolt screw side 2a opposite to the side facing the base piece 9 abuts, and the recess 11a is formed by tightening the screw 11. 12a bites into the opposite bolt screw side 2a, so that the steady rest fixture 8 is firmly fixed to the main bolt 2.

Next, the construction procedure will be described. After the ceiling base is completed, auxiliary bolts 2m, 2 are used to prevent the vertical swaying of the field bridge 3.
n is provided. At this time, the ceiling slab 1 of the main bolt 2 is relatively
Insert the steady rest 8 from the side at a position close to the
After attaching the steady rest 8 to the main bolt 2, screw the upper ends of the auxiliary bolts 2m and 2n into the screw holes 13A and 13B of the steady rest 8 (at this time, the steady rest 8
Can rotate around the main bolt 2 without loosening the screw 11, so the direction can be corrected). After that, attach the lower ends of the auxiliary bolts 2m and 2n to the auxiliary hangers 6 and 7,
Auxiliary bolts 2m and 2n are arranged at about 45 °.

Therefore, each of the fixing pieces 10A and 10B of the steady rest attachment 8 is formed in a rotationally symmetric shape around the screw hole 9x formed in the base piece 9, so that the fixing pieces having a balanced strength. Will have. Further, at the time of attaching to the main bolt 2, by rotating the fixing pieces 10A, 10B with the main bolt 2 as a boundary from the state of being positioned to the left and right, the notches 12A, 12
Since B can be engaged with the upper and lower positions of the main bolt 2, the attachment to the main bolt 2 is very easy. Also, screws 11
Even after tightening, the steady rest fixture 8 itself can rotate around the main bolt 2, and the direction of the steady rest fixture 8 can be corrected according to the direction of the auxiliary bolts 2m, 2n.
And after the direction is corrected like this, it balances, so
The steady rest fixture 8 does not rotate around the main bolt 2 and the notches 12A and 12B are formed by tightening the screws 11.
Is firmly crimped to the main bolt 2, so that it does not rotate around the screw 11 and does not move up and down, so that the auxiliary bolts 2m and 2n can be stably attached to the main bolt.

According to the above embodiment, each fixing piece 10A of the steady rest fixture 8 is
The screw holes 13A, 13B formed in 10B are located on the left and right sides of the main bolt 2 as a center, and the auxiliary bolts 2m or 2n from the opposite directions are attached to the screw holes 13A, 13B respectively. , The steady rest attachment 8 rotates,
The round shape does not move up and down, and has a stable steady structure. Further, since the steady rest attachment member 8 can be attached to the main bolt 2 from the lateral direction, it is possible to add a partition wall or change the position thereof,
Even when it is necessary to reinforce the parts that were not originally planned with the auxiliary bolts 2m and 2n, the steady rest attachment 8 can be easily added, and reinforcement measures can be easily taken even if the construction is changed.

[Advantages of the Invention] As described above, according to the steady rest attachment device of the present application,
A steady rest can be easily added to the main bolt, and reinforcement measures can be easily taken even if the construction is changed. Further, since each fixing piece is formed in a rotationally symmetric shape around the screw hole formed in the base piece, it has a fixing piece that is well balanced in terms of strength and workability. Also provides an excellent steady rest attachment.

[Brief description of drawings]

1 to 4 show an embodiment of a steady rest mounting fixture for a ceiling substrate according to the present invention, and FIG. 1 shows a steady rest structure for a ceiling substrate using the steady rest fixture according to an embodiment of the present invention. FIG. 2 is a simplified configuration diagram showing FIG. 2, FIG.
FIGS. 4 and 5 are a side view and a front view of the steady rest, and FIGS. 5 to 8 are a simplified configuration diagram and an enlarged view of a main part showing an example of a conventional steady rest structure of a ceiling base. 1 ... Ceiling slab, 2 ... Main bolt, 2m, 2n ... Auxiliary bolt, 3 ... Field rim receiver, 4 ... Hanger, 6,7 ... Auxiliary hanger, 8 ... Steady stop fixture, 9 ... ... Base pieces, 9a, 9b
...... Upper and lower edges of base piece, 9c …… One side edge of base piece, 9d ……
The other side edge of the base piece, 9x ... screw holes, 10A, 10B ... upper and lower fixing pieces, 11 ... screws (fixing means), 12A, 12B ... notches, 13A, 13B ... screw holes .

Claims (1)

[Scope of utility model registration request] 1. An upper end side of an auxiliary bolt that is attached to the upper end side of a main bolt that hangs down from a ceiling slab and that extends obliquely in the extension direction of the field edge receiver, or extends obliquely in the direction orthogonal to the field edge receiver. A steady rest mounting tool for the ceiling base that holds the upper end side of the auxiliary bolt, which forms a base piece facing the side portion of the main bolt and a trapezoidal inclined surface having the base piece as the top surface. The upper and lower fixing pieces bent in the direction of the main bolt from the upper and lower edges of the base piece are screwed into the screw holes formed in the center of the base piece, and the tip ends contact the main bolt. A fixing means is provided, and a notch into which the main bolt is inserted is formed on the side edge side of the upper fixing piece that extends from one side edge of the base piece, and from the other side edge of the base piece. The upper edge side of the auxiliary bolt is screwed to the side edge side of the upper fixing piece to be extended. The side edge side of the lower fixing piece that forms the same hole and extends from the other side edge of the base piece is formed with a notch into which the main bolt is inserted, and one side of the base piece. A screw hole for screwing the upper end side of the auxiliary bolt is formed on the side edge side of the lower fixing piece extending from the edge, and each fixing piece has a rotationally symmetrical shape about the screwing hole. A steady rest mounting tool for a ceiling substrate, which is characterized by being formed.