JPH0735945Y2 - Ceiling hanging bolt connection bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a ceiling hanging bolt connecting fitting for connecting a ceiling hanging bolt to a roof component such as a roof frame.

(Prior Art) As shown in FIG. 5, as an example of a method of suspending a ceiling plate in a building, a connecting member 2 is attached to a roof component 1 such as a roof frame.
It has been practiced to vertically hang a ceiling hanging bolt 3 through the above and to attach a ceiling plate 4 to the lower end portion of the bolt 3, but conventionally, the above-mentioned connecting fitting 2 is a roof constituent member 1 by welding or bolting.
Was installed on.

(Problems to be Solved by the Invention) In the above-described connecting fitting 2, it is necessary to bring a welding machine, a fastening tool, or the like to a high place in order to attach it to the roof constituent member 1, and it is dangerous and time-consuming to install. There was a drawback that the cost was high.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a ceiling hanging bolt connecting fitting that can be quickly and surely attached to a roof constituent member.

(Means for Solving the Problem) The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 4 corresponding to the embodiment. The first of the present invention is a vertical plate portion 5a. And a vertical plate portion 5a of the metal fitting body 5 consisting of a horizontal plate portion 5b extending substantially L-shaped with respect to the vertical plate portion 5a, an engaging piece 6 for engaging with the roof component 1 such as a roof frame is cut and raised. The horizontal plate portion 5b is formed with a mounting piece 8 that can be bent up and down by cutting a part of the horizontal plate portion 5b, and the mounting piece 8 is penetrated by a screw hole 9 for screwing a ceiling hanging bolt. The configuration that is installed is adopted.

A second aspect of the present invention employs a configuration in which the engaging pieces 6 are symmetrically provided in a substantially eight shape with respect to the plate surface of the vertical plate portion 5b at a predetermined inclination angle α.

(Operation) In the above configuration, when the ceiling hanging bolt connecting fitting 2 of the present invention is attached to the roof component 1, the attaching piece 8 of the connecting fitting 2 is preliminarily set so that the attaching piece 8 becomes horizontal. A predetermined angle β or γ is bent upward or downward depending on the inclination angle of the roof component 1. Then, after engaging the engaging piece 6 of the connecting fitting 2 with the roof component 1,
By simply screwing the ceiling suspension bolt 3 into the screw hole 9 of the mounting piece 8, the bolt 3 can be securely connected to the roof component 1 in a vertical manner.

Further, by providing a pair of the engaging pieces 6 in a substantially eight shape and having a predetermined inclination angle α, the lower edges 6a of the rising portions of the engaging pieces 6 are engaged with the roof constituent member 1 so as to bite into them. It Therefore, even if the inclination angle of the roof component 1 is steep, there is no risk of the engaging piece 6 being displaced.

(Embodiment) FIGS. 1 and 2 show a state in which a ceiling suspension bolt 3 is connected to a roof constituent member 1 such as a roof frame through a ceiling suspension bolt connecting fitting 2 which is an embodiment of the present invention. Therefore, in this embodiment, a rafter made of C-shaped steel is shown as the roof constituent member 1.

As shown in FIG. 4, the connecting fitting 2 has a vertical plate portion 5a.
And a metal plate body 5 made of a horizontal plate 5b extending substantially L-shaped with respect to the vertical plate 5a. The vertical plate 5a includes a lower opening edge of the roof component 1. A pair of engaging pieces 6, 6 engaged with 1a are formed in a symmetrically cut and raised shape from the horizontal plate portion 5b at a predetermined inclination angle α in a substantially eight shape, and both engaging pieces 6 and the vertical plate portion 5a are formed. A gap 7 that is slightly larger than the wall thickness of the roof component 1 is formed between and. Further, the horizontal portion 5b is formed with a mounting piece 8 which can be bent up and down by cutting off a part of the horizontal plate portion 5b, and the mounting piece 8 is provided with a screw hole 9 for screwing a ceiling hanging bolt. There is.

The ceiling hanging bolt connecting fitting 2 is used in the following manner. First, as shown in FIG. 1, when the roof constituent member 1 is inclined downward to the right, when the connecting fitting 2 is mounted on the roof constituent member 1, the mounting piece 8 becomes horizontal. As described above, the attachment piece 8 is previously bent downward by a predetermined angle β depending on the inclination angle of the roof constituent member 1. Then, after the ceiling hanging bolt 3 is shallowly screwed into the screw hole 9 of the mounting piece 8, the both engaging pieces 6 are engaged with desired portions of the lower opening edge portion 1a of the roof constituent member 1, and then the ceiling hanging bolt 3 is used. Just screw in deeply. As a result, the upper ends of the bolts 3 are brought into pressure contact with the lower surface of the roof component 1, and the ceiling contact bolt connecting fitting 2 is firmly attached to the roof component 1 by the pressure contact force P and the engagement force R of the two engagement pieces 6. At the same time, the ceiling suspension bolt 3 is vertically connected to the roof component 1 through the connecting fitting 2. In this case, the engaging forces R of the two engaging pieces 6 act in diagonally opposite directions, so that both engaging pieces 6
The lower edge 6a of the rising portion engages with the upper edge of the lower opening edge 1a so as to bite, and even if the inclination angle of the roof constituent member 1 is steep, there is no risk of the two engaging pieces 6 being displaced. When the ceiling suspension bolt 3 is pressed against the roof component 1, the mounting piece 8 is elastically deformed downward and the screw hole 9
Is pressed against the bolt 3, so there is no risk of the bolt 3 loosening.

Then, as shown in FIG. 3, when the roof constituent member 1 is inclined downward to the left, the mounting piece 8 is preliminarily moved upward in accordance with the inclination angle of the roof constituent member 1 contrary to the case described above. After bending by a predetermined angle γ, the ceiling hanging bolt connecting fitting 2 may be attached to the roof constituent member 1 in the same manner as described above.

(Effects of the Invention) According to the first aspect of the present invention, the fitting body of the fitting body is engaged with the roof constituent member, and the ceiling hanging bolt is screwed into the screw hole of the fitting piece. Can be firmly attached to the above-mentioned roof constituent member, and no welding or bolting work at a high place is required for the attachment, so that the attachment cost can be significantly reduced compared to the conventional case.

Further, by appropriately adjusting the bending angle of the mounting piece, the ceiling suspension bolt can be always connected in a vertical state to various roof constituent members having different inclination angles.

According to the second aspect of the present invention, even when the inclination angle of the roof constituent member is steep, the engaging piece can be reliably engaged with the desired position of the roof constituent member so as not to be displaced.

[Brief description of drawings]

FIG. 1 is a front view showing a state where a ceiling hanging bolt connecting fitting, which is an embodiment of the present invention, is attached to a roof constituent member descending to the right, and FIG.
Fig. 1 is a view taken along the line II-II of Fig. 1, Fig. 3 is a front view of the same connecting metal fitting attached to a roof constituent member on the lower left, and Fig. 4 is a perspective view of the same connecting metal fitting and roof constituent member. FIG. 5 is a schematic explanatory view showing an example of a method of suspending a ceiling plate. DESCRIPTION OF SYMBOLS 1 ... Roof constituent member, 2 ... Ceiling suspension bolt connection metal fitting, 3 ... Ceiling suspension bolt, 5 ... Metal fitting body, 5a ... Vertical plate part, 5b ... Horizontal plate part, 6 ... Engagement piece, 8 ... Mounting piece, 9 ... Ceiling Screw holes for screwing hanging bolts.

Claims (2)

[Scope of utility model registration request] 1. A vertical plate portion of a metal fitting body comprising a vertical plate portion and a horizontal plate portion extending substantially in an L shape with respect to the vertical plate portion is provided with a hooking piece for engaging with a roof component such as a roof frame. A mounting piece which is formed in a raised shape and which can be bent up and down by cutting a part of the horizontal plate portion is formed in the horizontal plate portion, and a screw hole for screwing a ceiling hanging bolt is formed through the mounting piece. Ceiling hanging bolt connecting metal fittings. 2. The ceiling hanging bolt connecting fitting according to claim 1, wherein a pair of said engaging pieces are symmetrically provided in a substantially eight shape with respect to the plate surface of the vertical plate portion at a predetermined inclination angle.