JPS6028813Y2 - hook bolt - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a hook bolt that is inserted into a roof material from the outdoor side and is used to support a supported member such as a hook member or a fence support.

To install Hook Pol)-B, as shown in Figures 1 and 2, insert an insertion hole into the roofing material A from the outdoor side, insert the hook bolt B into this insertion hole from the hook member 1 side, and then The hook member 1 is expanded into a hook shape from the mounting rod 2, the hook member 1 is made to support a supported member C such as a field support, and then the base end 3 of the mounting rod 2 is fixed to the roofing material A. hook bolt B was installed.

By the way, when inserting the hook bolt B into the insertion hole of the roofing material A, the hook member 1 is inserted in a straight line with the mounting rod 2, but as shown in FIGS. If an exterior material that serves as a heat insulating material or a sound absorbing material is attached to the inner surface, the hook member 1 will come into contact with the exterior material, and the hook member 1 will touch the base end 3 of the mounting rod 2. There was a problem with it sliding in the opposite direction.

In order to solve this problem, it is possible to make the insertion hole drilled in roofing material A larger in diameter. However, if the diameter is made too large, the hook member will not come into contact with the exterior material, but instead There was a drawback that watertightness deteriorated.

Thus, this invention was devised to eliminate such problems, and this invention will be explained below based on embodiments shown in the drawings.

FIG. 3 is a perspective view showing the hook bolt B according to this invention.

This hook bolt B includes a mounting rod 2 made of a long round bar having a bulging portion 4 at the tip and a male screw portion 5 at the base end;
It consists of a hook member 1 that loosely fits into the mounting rod 2, and a locking piece 6 formed on the mounting rod 2 to prevent the hook member 1 from sliding toward the proximal end of the mounting rod 2. .

By the way, the hook member 1 has a substantially cylindrical shape that fits loosely around the outer periphery of the mounting rod 2, and the upper surface of the hook member 1 is notched by 2/3W from one end 11 of the hook member 1 to the other end 12. A notch 7 is formed in the bottom surface of the hook member 1, and the lower surface extends from the other end 12 of the hook member 1 to the one end 11, facing the notch 7.
A notch 8 is formed by cutting out about 1/3 toward the surface.

The hook member 1 can be expanded into a hook shape from the tip of the mounting rod 2 by applying a slight vibration.

Further, reference numeral 6 indicates a locking piece, and the locking piece 6 is made of a rectangular flat plate and is attached to the mounting rod 2 by welding or the like.

Therefore, when inserting the hook bolt B into the insertion hole of the roofing material A with the hook member 1 aligned with the mounting rod 2, that is, with the hook member 1 and the mounting rod 2 in a straight line, even if the hook member 1 is attached to the exterior material. Even if the hook member 1 contacts the base end 3 of the mounting rod 2, the hook member 1 will be locked by the locking piece 6 without sliding toward the base end 3 of the mounting rod 2.

Further, the locking piece 6 engages with the terminal end side 9 of the notch 7 of the hook member 1, thereby preventing the hook member 1 from rotating.

Therefore, there is an advantage that the supported member C can be reliably and easily supported by the hook bolt B.

FIG. 4 is a perspective view showing another embodiment of the hook bolt B according to this invention.

In this embodiment, the locking piece 6 is grabbed from the mounting rod 2 and is used as a convex locking piece.

The convex locking piece 6 is designed to engage with the end side 9 of the notch 7 of the hook member 1 and prevent the hook member 1 from rotating.

Thus, this invention consists of the above structure.

With the hook bolt according to the present invention, exterior materials such as heat insulating material and sound absorbing material are attached to the inside of the roof material, and the hook bolt can be inserted by drilling a small diameter insertion hole in the roof material. The hook member is prevented from sliding upward by the locking piece, so that the hook bolt can be installed with high work efficiency.

Furthermore, the locking piece engages with the end edge 9 of the notch 7 of the hook member 1, thereby preventing rotation of the hook member, thereby providing an advantage in that the supported member can be supported reliably and easily.

[Brief explanation of the drawing]

Figures 1 and 2 are schematic diagrams showing how the hook bolt according to this invention is used, Figures 3 and 4 are perspective views showing an embodiment of the hook bolt according to this invention, and Figure 5 is a cross section of the hook bolt. It is a diagram. A: Roofing material, B: Hook bolt,
C... Supported member, D... Exterior material, 1
...Hook member, 2...Mounting rod, 3.
...Proximal end of the mounting rod, 4...Bulging portion, 5
... Male thread, 6 ... Locking piece, 7 ...
...Notch, butt...Notch, 9...Terminal side, 11...One end, 12...Other end.

Claims (1)

[Scope of utility model registration request] A mounting rod having a male threaded portion at the base end and a bulge at the distal end, and a hook having a generally cylindrical cross section that fits loosely into the mounting rod and can be expanded into a hook shape from the distal end of the mounting rod. In the hook bolt, the hook member has a notch extending from one end of the hook member toward the other end on its upper surface, and a locking body and other parts are formed on the surface opposite to where the notch is formed. The end portion is cut diagonally to form an opening, and the mounting rod has a waist that engages the terminal side of the notch to prevent the hook member from sliding from the distal end of the mounting rod toward the proximal end. A hook bolt characterized in that it is provided with a locking piece that prevents the hook member from rotating.