JPH08338100A - Fitting tool for cradling - Google Patents

Abstract

PURPOSE: To prevent a cradling from falling out of the receiver thereof, by providing a protrusion and stoppers formed so as to horizontally extend over one side edge of the upper face of a cradling receiver, at the opposite side to a cradling support piece in a horizontal flap. CONSTITUTION: The horizontal flap 5a is placed on the upper face 2d of a cradling receiver 2 in the state that fixing parts 4C, 4C of a fitting tool 5 of the cradling are fixed in the fixing grooves 3e, 3e of the cradling 3. Both right and left sides of a protrusion 6 are bent downward so as to function as stoppers 8, 8. The fitting tools 5 are attached to alternately face opposite to each other at every cradling. The stoppers 8, 8 are fixed at the rear face 2R of the cradling receiver 2 or at the front end thereof 2t. In this way, the cradlings are fixed completely against the cradling receivers 2. Even if a force bringing the receiver down acts on the stoppers 8, 8, since the rear face 2R and the front end 2t can be securely held by the stoppers, the cradling receiver 2 can be prevented from falling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a field rim mounting tool for mounting a field rim under a field rim receiver so as to intersect the field rim receiver.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 8, a ceiling substrate structure has a hanger 1 which holds a field sill 2 and a field hanger 2 below which the field sill 2 crosses. The rim 3 is arranged, and the field rim 3 is attached to the field rim receiver 2 by using a clip 4 as a field rim fixture. The hanger 1 includes a fixing piece 1a fixed to a bolt embedded in a ceiling slab (not shown) with a nut and a U-shaped field edge receiving and holding portion bent downward from the fixing piece 1a. 1b
And a field edge supporting piece 1c having The field rim receiver 2 is made of a long member having a U-shaped cross section, and includes a base piece 2a and horizontal bending pieces 2b, 2c provided on the upper and lower sides of the base piece 2a. And is supported by the hanger 1 at each predetermined position. The field edge 3 is made of a long material having a substantially U-shaped cross section, and has a bottom plate 3a.
And the rising pieces 3b rising from both sides of the bottom plate 3a,
3b, bending pieces 3c, 3c extending from the upper ends of the rising pieces 3b, 3b in a direction closer to each other, and extending downward from the tips of the bending pieces 3c, 3c, and the rising pieces 3b, 3b. And inner bending pieces 3d and 3d that form engagement grooves 3e and 3e between and. The clip 4 is located on the upper surface 2d of the field edge receiver 2, and the tip side 4t is along the side edge on the upper surface 2d of the field edge receiver 2, that is, the tip 2t or the base end 2u of the upper horizontal bending piece 2b. It extends downward from the horizontal piece 4a through a bent horizontal piece 4a and a side edge opposite to the side edge on the upper surface of the field edge receiver, and at the lower end side, the engagement groove 3e of the field edge 3 is formed. , 3e to engage with the field edge 3 to support the field edge 3 and a field edge support piece 4b. That is, the clip 4 is the field 3
Each time, the tip side 4t is bent along the tip 2t side of the field bridge 2 (hereinafter referred to as the former) and the direction along the base end 2u side (hereinafter referred to as the latter). , Mounted in alternating orientation. This is because, for example, when all the clips 4 are oriented only in the former direction as shown in FIG. 9 (a), the field rim receiver 2 is sure to fall in one direction as shown in FIG. 9 (b). This is because the power to do it works.

[0003]

However, when the clip 4 is oriented in the latter direction, as shown in FIG. 10 (a), it faces the tip side 4t of the horizontal piece, that is, the rear surface 2R of the field receiver 2. The back surface 2 of the field bridge 2 by a plane
Since it is a structure that supports the R side, when a worker rides on the upper surface 2d of the field rig 2 or when an earthquake occurs, he or she tries to fall down on the field yard 2 when inspecting the equipment above the ceiling. When a force is applied, particularly in the case as shown in FIG. 10B, the tip side 4t of the horizontal piece of the clip 4 is easily opened to the outside, whereby the clip 4 comes off the field edge receiver 2 and the field edge 3 together. There was a problem that the ceiling fell off.

In view of the above problems, the present invention prevents a situation in which the ceiling falls off from the field rim receiver even if a force is applied through the field rim receiver during inspection or an earthquake. It is an object of the present invention to provide a field fitting that can be used.

[0005]

[Means for Solving the Problems] Claim 1 according to the present invention
The field edge fitting by the above extends downward from the horizontal piece 5a positioned on the upper surface 2d of the field edge receiver 2 and one side edge of the upper surface of the field edge receiver, and extends downward from the horizontal piece. The field edge support piece 5b having the engaging portions 4c, 4c for engaging and supporting the field edge and the side of the horizontal piece opposite to the side where the field edge support piece is provided are A protrusion 6 formed to extend horizontally beyond the other side edge of the upper surface, and at least one of the left and right sides of the protrusion is bent downward along the extension direction of the protrusion. And stopper portions 8 and 8 which are locked to the field frame receiver.

[0006]

According to the present invention, the stopper portion is a piece having a surface extending in the vertical direction with respect to the other side edge of the field rim receiver, and is deformed by the force that the field rim receiver tends to fall. Since it does not, hold the sword box firmly and prevent it from falling out.

[0007]

【Example】

Example 1. An embodiment of the field edge fitting according to claim 1 of the present invention will be described below with reference to FIGS. 1 is a perspective view showing a state where the field edge fitting according to the first embodiment is used in the former direction, and FIG. 2 is a perspective view showing a state where the field edge fitting according to the first example is used in the latter direction, FIG. 3 is a perspective view of the field edge fitting according to the first embodiment, and FIG. 4 is a view of FIG. 3 seen from above. In each figure, 5 is the field edge fitting of the first embodiment. The same parts as those in the conventional example shown in FIGS. 8 to 10 are designated by the same reference numerals, and the description thereof will be omitted. The field fitting 5 is a horizontal piece 5 located on the upper surface 2d of the field receiver 2.
a and one side edge of the upper surface 2d of the field edge receiver 2 (that is, the tip 2 of the upper horizontal bending piece 2b of the field edge receiver 2 in FIG. 1).
t, in FIG. 2, it extends downward from the horizontal piece 5a through the base end 2u) of the upper horizontal bent piece 2b, and the field edge 3 is provided on the lower end side.
Field support piece 5b having engaging portions 4c, 4c for engaging and supporting the frame, and the field support piece 5b in the horizontal piece 5a.
The side opposite to the side on which is provided is the other side edge of the upper surface 2d of the field edge receiver 2 (that is, in FIG. 1, the base end 2u of the upper horizontal bending piece 2b of the field edge receiver 2, in FIG. 2). Is a protrusion 6 formed so as to extend horizontally beyond the tip 2t) of the upper horizontal bending piece 2b, and the left and right of the protrusion 6 along the other side edge of the field receiver 2 Through the notches 7, 7 formed from the side edges on both sides, the left and right sides of the protrusion 6 along the extension direction of the protrusion 6 from the portion corresponding to the other side edge of the field receiver 2 The side edge 7a on the side of the field rim receiver 2 is bent downward and the side edge 7a is located on the rear side 2R of the field rim receiver 2 in FIG. 1, and the upper horizontal bent piece 2 of the field rim receiver 2 in FIG.
and stopper portions 8 and 8 which are locked to the tip 2t) of b.

The notches 7 and 7 are, as shown in FIG.
It is formed from both sides of the protruding portion 6 to a position where the stopper portion 8 is bent, and in order to easily bend both sides of the protruding portion 6, from the end 7e of the notch 7 in the extending direction of the protruding portion 6. A notch 6s is formed on the side of the tip 6t of the protruding portion 6 along with the notch 7 and the ends 7e, 6 of the notch 6s.
A hole 6x is formed at a substantially central position connecting between e.
Therefore, the stoppers 8 and 8 are formed by bending the left and right sides of the protrusion 6 downward through the cuts 7 and 6s and the holes 6x. Further, the central portions of the projecting portions 6 serving as the stopper portions 8, 8 other than the left and right sides extend horizontally beyond the other side edge of the upper surface 2d of the field edge receiver 2 as they are, and from the central portion, The central portion of the protruding portion 6 and the horizontal piece 5a, so as to extend to the upper side of the field edge supporting piece 5b,
A rib 9a is formed by raising a part of the field edge support piece 5b. Further, the field edge support piece 5b is also formed with a rib 9b extending upward from the lower side.

Next, the operation will be described. First, the engagement portions 4c, 4c of the field edge fitting 5 are engaged with the engagement grooves 3e, 3e of the field edge 3.
The horizontal piece 5a in the state of being engaged with
Then, the left and right sides of the protrusion 6 are bent downward to function as stoppers 8, 8. The field edge fittings 5 are attached so that the field edges 3 alternate with each other, as shown in FIGS. Thereby, the stopper portions 8 and 8 are locked to the rear surface 2R of the field edge receiver 2 or the tip 2t, and the attachment of the field edge 3 to the field edge receiver 2 is completed.

According to the field edge fitting 5 according to the first embodiment, the stopper portions 8 are perpendicular to the rear surface 2R of the field edge receiver 2 and the tip 2t of the upper horizontal bending piece 2b of the field edge receiver 2. Since the rib 9a is a piece having a surface extending in the direction and further extends from the projecting portion 6 to the field edge support piece 5b, the strength is large against the force that the field edge receiver 2 tends to fall. Is. Therefore, even if the force which tends to fall the field edge receiver is applied to the stopper portions 8 and 8, the back surface 2R and the tip 2t of the field edge receiver 2 can be firmly held by the stopper portions 8 and 8.
It is possible to prevent the fall of the field rim receiver 2 and prevent a situation in which the field rim fixture 5 comes off the field rim receiver 2 and the ceiling falls off.

According to the first embodiment, the left and right sides of the protruding portion 6 are bent so that the two stopper portions 8,
Although the field edge mounting tool in which 8 is formed is shown, as shown in FIG. 5, only one side 6L (left side in FIG. 5) of the protrusion 6 is bent downward along the extension direction of the protrusion 6. Alternatively, the field edge fitting 5A may be configured so as to form one stopper portion. Moreover, even if the notches 7 and 7 are not formed,
As shown in FIG. 6, the width of the protruding portion 6 is formed larger than the width of the horizontal piece 5a, and the left and right sides 6X and 6Y are bent to form a stopper portion.
May be. In addition, when using a wide field,
A wide field edge fitting 5C as shown in FIG. That is, the field edge fitting may be used according to the width of the field edge used. In the wide field edge fitting 5C as shown in FIG. 7, many ribs 9b are formed on the field edge support piece 5b in consideration of strength.

[0012]

According to the field edge fitting of the first aspect, it is possible to prevent a situation where the ceiling falls off from the field edge receiver.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a usage state of a field edge fitting according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an example of a usage state of the field edge fitting according to the embodiment of the present invention.

FIG. 3 is a perspective view showing a field edge fitting according to an embodiment of the present invention.

FIG. 4 is a view from above of a field edge fitting according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a field edge fitting according to another embodiment of the present invention.

FIG. 6 is a perspective view showing a field frame fitting according to another embodiment of the present invention.

FIG. 7 is a perspective view showing a field edge fitting according to another embodiment of the present invention.

FIG. 8 is a perspective view showing a conventional ceiling base structure.

FIG. 9 is an explanatory diagram for explaining a mounting state of a conventional field edge mounting tool.

FIG. 10 is an explanatory diagram for explaining a problem of a conventional field edge fitting.

[Explanation of symbols]

5 Field edge fittings, 5a Horizontal piece, 5b Field edge support piece,
6 Projections, 8 and 8 stoppers.

Claims (1)

[Claims] 1. A horizontal piece, which is for mounting a field rim so as to intersect with the field rim receiver below the field rim receiver, and a horizontal piece positioned on an upper surface of the field rim receiver, and the field rim receiver. A field edge support piece that extends downward from the horizontal piece through one side edge of the upper surface of the above and has an engaging portion that engages and supports the field edge at the lower end side. In the tool, a protrusion formed by horizontally extending the side of the horizontal piece opposite to the side on which the field edge support piece is provided beyond the other side edge of the upper surface of the field edge receiver. And at least one of the left and right sides of the protrusion along the extension direction of the protrusion, and a stopper portion that is bent downward to engage with the field receiver. Edge fitting.