JPH026163Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a fixture for fixing a wall material that also serves as a concrete formwork, which connects and fixes a wall material that also serves as a concrete formwork and a concrete frame.

An example of a conventional fixing metal fitting of this type is the one described in Japanese Utility Model Publication No. 17151/1983.

However, although these conventional types are suitable for engagement with Bata material, they are not necessarily suitable for locations where Bata material is not present, so fixing metal fittings used only for joining wall material and concrete frame. was expected to appear.

The present invention was made in response to such a request, and an object of the present invention is to provide a fixing fitting that is optimal for fixing a wall material that also serves as a concrete formwork.

In order to achieve this purpose, the present invention includes a bolt that is inserted from the surface into a wall material that also serves as a concrete formwork and has a heat insulating material attached to the back side, and has its tip protruding from the heat insulating material, and a bolt that is inserted through the tip of the bolt. The method comprises a washer that is held and an anchor that is screwed onto the tip of the bolt so as to press and hold the washer against the surface of the heat insulating material, and the tip of the anchor is compressed and deformed into a flat shape. By forming an engaging part with the concrete frame, it is possible to reduce the number of parts as much as possible and securely fix the inner wall base material to the concrete frame without damaging the heat insulating material.

Examples of the present invention will be described below.

The figure shows one embodiment of the present invention.
On the back side of the wall material 1 made of FRC (alkali-resistant glass fiber reinforced cement board) etc., a heat insulating material 2 made of foamed polystyrene board etc. is integrally formed or fixed by adhesive to maintain the heat insulation properties of the wall material 1. I'm letting you do it.

In addition, the wall material 1 as described above is made of concrete 3.
The fixing fittings to be fixed to the surface of the wall material 1 include a bolt 4 that is inserted into the wall material 1 from the surface and whose tip protrudes from the surface of the heat insulating material 2, a washer 5 that is superimposed on the surface of the heat insulating material 2, and The anchor 6 is screwed onto the tip of the bolt 4 so as to press and hold the washer against the surface of the heat insulating material 2. Then, the distal end portion of the anchor 6 is compressed and deformed into a flat shape to form an engagement portion 7 with the concrete frame 3.

As shown in FIGS. 6 to 8, the washer 5 has a claw 8 formed at each corner portion that bites into the surface of the heat insulating material 2, and a raised portion 9 that bites into the surface of the concrete frame 3. It consists of a type of square washer with claws formed on the sides.

When using the fixing fittings configured as described above, insert the bolts from the surface side of the wall material 1 into the holes previously formed at predetermined positions in the wall material 1 and the heat insulating material 2, as shown in Figure 1. Then, the tip of this bolt 4 is made to protrude from the surface of the heat insulating material 2. Next, a washer 5 is inserted into the tip of the bolt 4 protruding from the surface of the heat insulating material 2, and an anchor 6 is screwed onto the tip of the bolt 4 to hold the washer 5 in pressure contact with the surface of the heat insulating material 2. .

Thereafter, concrete is poured with the wall material 1 assembled. After the concrete has sufficiently cured, the batting materials that hold the wall materials are removed.
In this state, the anchors 6 protruding from the surface of the heat insulating material 2 are buried and fixed in the concrete frame 3, so the wall material 1 is fixed.

That is, in the conventional example described above, it was necessary to press-fit a blockage plug or the like again after removing the batting material holding the wall material and fix the wall material, but with the present invention, concrete pouring and curing are completed. At the same time, wall material 1
Since the connection between the concrete frame 3 and the concrete frame 3 is completed,
There is no need to fix the wall material again as in the conventional example.

In the embodiment, the washer is a type of square washer with claws, but the present invention is not limited to the embodiment.
If the surface of the wall material is to be used as a finished surface, it is desirable to seal the head of the bolt using a sealant or the like to flatten the wall material.

As explained above, according to the present invention, an anchor is fixed in advance to the surface of the heat insulating material attached to the back side of the wall material, and this anchor is buried and fixed in the concrete of the frame.
Once cured, the wall material will automatically be fixed to the surface of the concrete structure. This eliminates the need to fix the wall material again as in the past, improving construction efficiency.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of the main parts showing the usage state of an embodiment of the present invention, Fig. 2 is a side view of the bolt, Fig. 3 is a front view of the bolt head, Fig. 4 is a side view of the anchor, FIG. 5 is a front view of the anchor viewed from the tip, FIG. 6 is a front view of the washer, FIG. 7 is a plan view of the washer, and FIG. 8 is a side view of the washer. DESCRIPTION OF SYMBOLS 1... Wall material, 2... Heat insulating material, 3... Concrete frame, 4... Bolt, 5... Washer, 6... Anchor, 7... Engagement part with concrete frame.

Claims (1)

[Scope of utility model registration request] A bolt that is inserted from the surface into a wall material that also serves as a concrete formwork and has a heat insulating material attached to the back side so that its tip protrudes from the heat insulating material, a washer that is inserted and held in the tip of the bolt, and the washer is attached to the heat insulating material. and an anchor screwed onto the tip of the bolt so as to be held in pressure contact with the surface of the bolt, and the tip of the anchor is compressed and deformed into a flat shape to form an engaging portion with the concrete of the building frame. Features: Fixing fittings for wall materials that can also be used for concrete formwork.