JPH0318800Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention is a heat insulation material mounting structure, in particular, a heat insulation material is installed on a wall surface provided with stud bolts, a wire mesh is stretched on the surface, and it is fixed with washers and nuts. This invention relates to improvements in the structure for attaching heat shielding materials.

BACKGROUND TECHNOLOGY As shown in FIG. 1A, a cross-sectional view of FIG. 1A, and A-A arrow B of FIG. At an appropriate pitch, heat insulating material 2' made of glass wool etc. is installed on the steel plate 1' surface,
Then, a wire mesh 4' is stretched over the surface of the heat insulating material 2', and the heat insulating material 2' and the wire mesh 4' are held down by tightening with a stud bolt nut 6' via a washer 5'.

Problems that the invention aims to solve: However, such conventional heat insulation material mounting structure,
I had the following problem:

That is, since the structure is such that a wire mesh 4' is used to hold the heat insulating material 2' between the stud bolts 3' pitches, the wire mesh 4' is attached to the surface of the heat insulating material 2', which has a high cushioning property, through a smooth washer 5'. Even if the nuts 6' for the stud bolts are used to tighten the wire mesh 4', the wire mesh 4' will become partially loosened due to thermal expansion caused by the cooling of the steel plate 1' (wall surface) during construction and loading.
As a result, the heat insulating material 2' also loosens, and the joints of the insulating material 2' open, creating gaps.
This also had a negative impact on performance.

The present invention was made to solve the problems of the conventional technology, and provides a heat shield mounting structure that prevents the wire mesh for holding the heat shield from shifting and allows the wire mesh to be stretched evenly between the stud bolts. The purpose is to

Means for Solving the Problems In order to solve the above problems, the present invention is a heat insulation material in which a heat insulation material is installed on a wall surface provided with stud bolts, a wire mesh is stretched on the surface of the material, and the heat insulation material is fixed with washers and nuts. In the material attachment structure, the washer is attached to the bolt so as to be located inside the wire mesh, and has a bolt claw for gripping the bolt and a plurality of claws protruding to the outside of the wire mesh; and a perforated washer that is attached to the bolt so as to be located outside the wire mesh and has a hole through which the claw of the clawed washer is passed, and the wire mesh is sandwiched between the same pair of washers. It is designed to be fixed.

Effect: According to the above means, the wire mesh for holding down the heat insulating material is sandwiched between the washer with claws and the washer with holes for the claws, thereby making it possible to prevent the wire mesh from slipping.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2A is a sectional view schematically showing the heat insulating material mounting structure according to this embodiment, B is a view taken along the line B-B in FIG. 3A, and FIG.
Figure 4A is a front view of the washer with a hole for the claw in this embodiment,
-D cross-sectional view and FIG. 5 are cross-sectional views of main parts showing details of the heat insulating material mounting structure according to this embodiment.

In these figures, 1 is a steel plate constituting the wall surface, 2 is a heat insulating material made of glass wool, etc., 3 is a stud bolt, 4 is a nut for the stud bolt, 5 is a wire mesh, and 6 is a washer with a claw.
As clearly shown in FIG. 3, a plurality of pawls 8, for example four in this embodiment, are formed on the same circumference at 90° intervals, and a stud bolt pawl is provided in the center. 9 is formed, and this claw 9 is for gripping the stud bolt 3, as clearly shown in FIG. 5, and the length of the claw is slightly smaller than the diameter of the stud bolt 3.
In addition, 7 is a washer with a hole for the claw, and the fourth
As clearly shown in the figure, four pawl holes 10 into which the pawls 8 of the pawl washer 6 are inserted and bent, and a central bolt hole 11 through which the stud bolt 3 is inserted are formed. There is.

Then, install these parts using the following steps.

(1) Stud bolts 3 are installed on the steel plate 1, which is the wall surface, by welding.

(2) Install heat insulating material 2 on one side of the steel plate.

(3) Attach the tabbed washer 6 to the stud bolt 3 and press the heat insulating material 2. In this case, the tip of the bolt claw 9 is pressed against the outer periphery of the stud bolt 3 and grips the stud bolt 3,
Once pushed in, the washer 6 becomes difficult to come out from the stud bolt 3.

(4) Install wire mesh 5. Therefore, the claw-equipped washer 6 is located inside the wire mesh 5, and each claw 8 thereof projects to the outside of the wire mesh 5.

(5) Attach the washer 7 with a hole for a pawl to the stud bolt 3 through its center hole 11 so as to be located outside the wire mesh 5, overlap it with the washer 6 with a pawl, and insert the pawl through each hole 10 of the washer 7. Each claw 8 of the attached washer 6 is bent on the surface of the perforated washer 7 for the claw. As a result, the wire mesh 5 is sandwiched between the pair of washers 6 and 7 and fixed.

(6) Install nut 4 for the stud bolt.

Effects of the Invention As described above, the heat insulating material mounting structure according to the invention provides the following effects.

(1) Since the wire mesh for holding down the heat insulating material is sandwiched between a pair of washer with claws and a washer with holes for the claws, it is possible to prevent the wire mesh from shifting. In other words, until now, only stud bolts were passed through the mesh of the wire mesh, and the wire mesh wire was caught on the bolts to prevent slippage, but in reality, as mentioned above, the wall surface was damaged during installation and due to loading. The wire mesh has become dislodged due to thermal expansion due to cooling. On the other hand, according to the present invention, the number of places where the mesh of the wire mesh passes through the wire mesh can be increased by the claws, so that the wire mesh can be firmly inserted.

(2) The claw-fitted washer eliminates the need to temporarily press the heat insulating material until the wire mesh is put on. In particular, when installing heat shielding material facing upward, it will fall if the nut is not tightened in the final installation process, so conventionally it was held down by rafters or by hand, but the claw-fitted washer of this invention comes off once inserted into the stud bolt. There are bolt tabs that are difficult to use, so
Since it serves as a presser while applying the heat insulation material, there is no need for a separate presser.

(3) With the above (1) and further (2), it is possible to prevent the heat insulating material from loosening and falling off, and to continue to ensure performance quality, thereby improving reliability.

(4) In this invention, the material cost for the washers is slightly higher, but the installation man-hours are reduced (temporary pressing),
Considering the reduction in warranty work, there is a slight cost advantage.

[Brief explanation of drawings]

Fig. 1A is a cross-sectional view schematically showing a conventional heat insulating material mounting structure, B is a view taken along the line A-A in A, and Fig. 2 A is a schematic cross-sectional view showing an embodiment of a heat insulating material mounting structure according to the present invention. Figure 3A is a front view of the washer with claws in this embodiment, and Figure 3B is a view from C in Figure 3A.
-C sectional view, Figure 4A is a front view of the claw hole washer in this embodiment, B is a DD sectional view of A, and Figure 5 shows details of the heat insulating material mounting structure according to this embodiment. FIG. 3 is a cross-sectional view of main parts. 1... Steel plate constituting the wall surface, 2... Heat insulating material, 3
... Studded bolt, 4... Nut, 5... Wire mesh, 6... Washer with claw, 7... Washer with hole for claw, 8... claw, 9... Bolt claw, 1
0... Hole for claw, 11... Hole for bolt.

Claims (1)

[Scope of utility model registration request] In a heat insulating material mounting structure in which a heat insulating material is installed on a wall surface with stud bolts, a wire mesh is placed on the surface, and it is fixed with washers and nuts.
The washer is attached to the bolt so as to be located inside the wire mesh, and has a bolt claw for gripping the bolt and a plurality of claws protruding to the outside of the wire mesh, and a washer with a claw located outside the wire mesh. and a perforated washer that is attached to the bolt so as to allow the claw of the claw-fitted washer to pass through, and the wire mesh is inserted between the same pair of washers and fixed. A structure for installing heat shielding material.