KR101891095B1 - Insulator Mounting Fixture - Google Patents

Abstract

The present invention relates to an insulation material fixing device for a building. The present invention is used to closely attach a corner part where a wall insulation material and a ceiling insulation material meet to a corner mold. The present invention comprises: a vertical fixing body (30); guide ribs (31, 32); a lifting plate (40); an upper locking pin (33); a lower locking pin (42); an preload spring (50); a slide pin (61); a vertical guide slot hole (34); an elastic clip (70); a horizontal fixing body (80); a dovetail protrusion (35); a dovetail groove (81); a cutting unit (35g); and a stopper (82). The present invention can prevent opening or separation from an insulation material during concrete deposition.

Description

{Insulator Mounting Fixture}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a heat insulating material fixing device for a building, which is used to closely adhere a corner portion where a wall heat insulating material and a ceiling heat insulating material meet to a corner mold, and more particularly to a heat insulating material fixing device for building which can improve adhesion between a ceiling heat insulating material and a corner mold will be.

Generally, the wall insulation material installed in the building serves to cut off the heat that is transmitted to indoor and outdoor places, and the ceiling insulation material serves to block the heat conducted to the floor.

This insulation is fixed to the formwork, and then the concrete is laid. When the corner where the ceiling insulation and the wall insulation are not fixed is left unfixed, it is necessary to fix the concrete before the concrete is poured because the boundary portion may expand or spread. .

For this purpose, in Korean Patent Registration No. 10-1375463, a conventional technique has been proposed in which a bracket-like fixing device is installed at a corner of a heat insulating material which meets in the form of a letter.

In order to prevent the detachment of the fixing device, the fixing pin and the fixing device are coupled with each other to prevent the detachment of the fixing device from the fixing device.

However, in such a conventional technique, the fixing pin portion can freely move in the vertical direction along the guide groove formed in the vertical fixing piece. Therefore, it is possible to prevent the movement of the aggregate or the concrete bubble removing operation There is a problem that the pressing surface is lifted from the heat insulating material by the vibration or the entire fixing device is separated from the heat insulating material.

Korean Patent Registration No. 10-1375463 (Publication date 2014.03.17.)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a heat insulating material fixing device for a building which can prevent the heat insulating material from being lifted or separated during concrete pouring.

In order to accomplish the object of the present invention, there is provided an apparatus for fixing a thermal insulation material for construction, comprising: a vertical fixture for closely adhering a wall insulation to a vertical panel formed on a corner mold; A guide rib formed parallel to the inner wall surface of the vertical fixture in the vertical direction and having parallel vertical guide grooves; A lift plate slidable in the vertical direction along the vertical guide groove and having a stopping jaw which is engaged with the guide rib at the lower end; An upper latch pin formed on an inner upper portion of the vertical fixture; A lower engaging pin formed on the steel plate; A preload spring that is caught by the upper latching pin and the lower latching pin and exerts a force in a direction in which the vertical holding body and the lifting plate approach each other; A slide pin formed at an end of the screw installed in the vertical panel, the slide pin having an annular V-groove; A vertical guide slot for vertically guiding the vertical fixture by the slide pin; An elastic clip engaged with the annular V groove to interconnect the steel plate and the slide pin and opened by a slide pin which is detached when the corner mold is demolded; A horizontal fixture adhered to the ceiling insulation material toward the horizontal panel formed on the corner mold and coupled to the upper end of the vertical fixture; A dovetail projection formed on an upper portion of the vertical fixture; A dovetail groove formed on the bottom surface of the horizontal fixing body and coupled with the dovetail projection to guide the horizontal fixing body in the horizontal direction; A cutting portion formed on the dovetail projection; And a stopper formed in the dovetail groove and caught inside the cutting portion.

The elastic clip according to the present invention comprises a gripper of a U-shaped cross section, which is coupled to an end of a lower engaging pin and into which a slide pin is inserted; An upper semicircular latching part and a lower semicircle latching part protruding inward in the direction opposite to each other at the upper and lower ends of the gripper so as to be caught in the annular V-groove; A centering hole formed at the center of the gripper; A positioning boss formed at an end of the lower engaging pin and inserted into the centering hole; Legs extending from both side edges of the gripper and bent in parallel to the steel plate and maintaining a constant gap between the gripper and the steel plate; A slot formed in the steel plate; And a bent portion formed at the end of the leg with a smaller width than the leg and bent after being inserted into the slot.

The present invention relates to a horizontal fixed body, A press block inserted into the rectangular groove; A needle hole vertically passing through the horizontal fixture; A cylinder-shaped pinching section formed in the press block; A needle that is inserted into the ceiling insulation through the needle hole, with the upper end inserted into the upper portion of the needle; An air permeable surface forming portion formed at a side edge of the press block to form an exhaust passage with an interval from the inner corner of the rectangular groove; And an exhaust passage extending from the inside of the press block to the air permeable chamfer, and an exhaust groove formed in the bottom corner of the press block.

As described above, since the horizontal fixture 80 is always in close contact with the ceiling insulation 24 by the preload spring 50, the horizontal fixture 80 Can be prevented from separating from the ceiling heat insulating material 24 or preventing the ceiling heat insulating material 24 from being lifted from the corner mold 20.

Since the stopper 82 formed in the dovetail groove 81 is made to be caught by the cutting portion 35g when the horizontal fixture 80 is pushed toward the ceiling insulator 24 to the end, There is an effect that it is possible to prevent the fixing member 80 from being separated from the vertical fixing body 30. [

The air remaining in the rectangular groove 83 is discharged to the outside through the exhaust groove 94 and the air permeable chamfered portion 93 when the press block 90 is inserted into the rectangular groove 83. Therefore, It is possible to prevent the air compression which may occur due to not being able to escape out, and at the same time to smoothly insert the pressing block 90 into the rectangular groove 83.

The hook 52 formed at the lower end of the preload spring 50 is hooked on the lower engaging pin 42 and fixed to the lifting plate 40 in a state in which the gripper 71 is in tight contact with the end of the lower engaging pin 42 So that it is possible to prevent the annular portion 52 from being separated from the lower engaging pin 42. [

Since the positioning boss 43 formed at the end of the lower engaging pin 42 is inserted into the centering hole 74 formed in the gripper 71 when the gripper 71 is brought into close contact with the lower engaging pin 42, (71) can be prevented from being displaced from the center of the lower engaging pin (42).

The contraction of the preload spring 50 can always be restricted to a predetermined length by the stop jaw 41 formed at the lower end of the lifting steel plate 40 and the position of the lifting steel plate 40 and the gripper 71 is always kept constant There is an effect that can be decided.

Since the lower end portion of the vertical guide slot 34 is caught by the slide pin 61 when the vertical fixture 30 is lifted up to limit the vertical height of the vertical fixture 30, There is an effect that it is possible to conveniently make the operation of matching the upper surface of the ceiling heat insulator 24 with the upper surface of the ceiling heat insulator 24. [

The horizontal fixing body 80 is pushed and fixed at a longer distance toward the ceiling insulator 24 since the stopper 82 is provided in the space where the stopper 82 can enter by the cutting portion 35g formed in the dovetail projection 35 There is an effect that can be.

In addition, since the front and bottom surfaces of the vertical fixture 30 are covered with the waterproof film 100, the concrete is prevented from flowing into the vertical fixture 30 during the concrete pouring process It is possible to secure a space in which the gripper 71 can be opened when the corner mold 20 is demolded so that the slide pin 61 can be smoothly separated from the gripper 71 .

The distance between the gripper 71 and the lifting plate 40 can be maintained at a distance corresponding to the length of the lower engaging pin 42 by the legs 75 and 76 formed on the gripper 71. [

1 is an exploded perspective view
Fig. 2 is an exploded perspective view of the bottom side of Fig.
3 is an exploded perspective view showing an elastic clip, a steel plate and a preload spring according to the present invention.
Fig. 4 is a perspective view of the assembled state of Fig.
Fig. 5 is a perspective view of a vertical steel strip according to the present invention,
6 is an exploded perspective view showing the vertical fixture according to the present invention being coupled to the slide pin while closely contacting the wall insulator.
Figure 7 is a cross-sectional perspective view of Figure 6,
8 is a cross-sectional perspective view showing the state in which the elastic fixture is attached to the slide pin while the vertical fixture is in contact with the wall surface insulation from the state of FIG. 7;
Figure 9 is a cross-
Fig. 10 is a cross-sectional view showing the elevation of the vertical fixture from the state of Fig. 9
11 is a perspective view of Fig. 10,
12 is a cross-sectional view showing that the horizontal fixture according to the present invention is pushed horizontally and brought into close contact with the ceiling insulator
13 is a perspective view of Fig. 12
14 is a front view of Fig. 13
15 is a cross-sectional view taken along the line A-A 'in Fig. 14

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

A vertical fixture 30 for bringing the wall insulator 23 into close contact with the vertical panel 21 formed on the corner mold 20 as shown in FIGS. 1 to 15; Guide ribs 31 and 32 formed parallel to the inner wall surface of the vertical fixture 30 in the vertical direction and having parallel vertical guide grooves 31g and 32g; And a lift plate 40 which slides in the vertical direction along the vertical guide grooves 31g and 32g and has a stopping step 41 which is engaged with the guide ribs 31 and 32 at the lower end thereof.

The vertical fixture 30 may be formed to have a U-shaped cross section, for example, having a front and a bottom open, and the guide ribs 31 and 32 may be formed along the inner wall of the vertical fixture 30 And are formed in a linear shape.

The lifting plate 40 is inserted into the vertical guide grooves 31g and 32g and is formed in a flat plate shape so as to freely slide in the vertical direction and the detent jaws 41 formed at the lower ends thereof are engaged with the guide ribs 31 and 32, And stops the lifting of the lifting plate 40. As shown in Fig.

The present invention is characterized in that the upper fixing pin (33) is formed on the inner upper side of the vertical fixing body (30); A lower engaging pin (42) formed on the lifting plate (40); And a preload spring 50 which is caught by the upper latching pin 33 and the lower latching pin 42 and applies a force in a direction in which the vertical holding body 30 and the lift plate 40 are brought close to each other.

The preload spring 50 may be formed, for example, in the form of a tension coil spring formed by spirally winding a spring steel wire. The upper and lower ends of the preload spring 50 may be formed as a ring Portions 51 and 52 are formed.

An annular detent preventing groove 33g is formed on the outer circumferential surface of the upper engaging pin 33 to engage the annular portion 51 formed at the upper end of the preload spring 50, 3 and 4, the following elastic clip 70 is brought into close contact with the end portion of the lower engaging pin 42 and is engaged with the lifting plate 40 So that the hook 52 is prevented from being detached from the lower engaging pin 42.

A slide pin (61) formed at an end of a screw (60) installed in a vertical panel (21) and having an annular V groove (61g); A vertical guide slot 34 for vertically guiding the vertical fixture 30 by the slide pin 61; And includes an elastic clip 70 which is engaged with the annular V groove 61g to interconnect the lifting plate 40 and the slide pin 61 and is opened by the slide pin 61 which is detached when the corner mold 20 is demolded do.

As shown in FIGS. 1 and 2, a hexagonal bar 62 for coupling the fastening tool such as a hexagonal socket (not shown) rotated by an electric screwdriver to the screw 60 is provided at the end of the screw 60, And the slide pin 61 is formed in a straight line at the end of the hexagonal bar 62. [

At this time, the slide pin 61 is formed to have a diameter smaller than that of the hexagonal bar 62, and interference with the slide pin 61 is avoided when the hexagonal socket is coupled to the hexagonal bar 62 with the length as short as possible .

The screw (60) is a self-tapping screw which is coupled to the vertical panel (21) while forming a hole and a female thread, without the aid of a separate drill and tab.

When a screw 60 is installed on the vertical panel 21, a flat disk-shaped flange (not shown) formed on the screw 60 is brought into close contact with the vertical panel 21 to stop the screw 60 at a constant position do.

6 and 7, when the screw 60 is installed on the vertical panel 21 of the corner mold 20 and then the wall surface heat insulating material 23 is brought into close contact with the vertical panel 21, And penetrates the wall surface insulation material 23 and protrudes to the surface.

As shown in FIGS. 10 and 11, when the vertical fixture 30 is lifted, the slide pin 61 is caught by the lower end of the vertical guide slot 34 to limit the vertical height of the vertical fixture 30, So that the bottom surface of the horizontal fixture 80 and the top surface of the ceiling insulation 24 are aligned.

The elastic clip 70 includes a gripper 71 coupled to an end of the lower engaging pin 42 and having a U-shaped cross section into which the slide pin 61 is inserted; An upper semicircular engaging portion 72 and a lower semicircular engaging portion 73 protruding from the upper and lower ends of the gripper 71 in the inward facing direction and engaged with the annular V groove 61g; A centering hole 74 formed at the center of the gripper 71; And a positioning boss 43 formed at an end of the lower engaging pin 42 and inserted into the centering hole 74.

The gripper 71 is formed in the form of a leaf spring using a spring steel plate having a predetermined thickness. When the slide pin 61 enters the gripper 71 or separates from the gripper 71, As shown in FIG.

The elastic clip 70 extends from both side edges of the gripper 71 and is bent in parallel to the lifting plate 40. The resilient clip 70 is provided with the legs 71, (75) (76); Slots 44a and 44b formed in the steel plate 40; And bent portions 75a and 76a that are formed at the ends of the legs 75 and 76 with a smaller width than the legs 75 and 76 and are inserted into the slots 44a and 44b and then bent.

7 to 10, when the vertical fixing body 30 is brought into close contact with the wall surface heat insulating material 23 in a state where the center of the slide pin 61 is aligned with the center of the gripper 71, Passes through the vertical guide slot 34, and is engaged with the gripper 71.

3, 4, 9 and 15, the positioning boss 43 is formed to have an outer diameter smaller than the outer diameter of the lower engaging pin 42, and the positioning boss 43 is fixed to the centering hole 74 The lower latching pin 42 also serves as a spacer when inserted.

The lower end portion of the preload spring 50 is hooked on the lower engaging pin 42 and the bent portions 75a and 76a formed in the elastic clip 70 are inserted into the slots 44a and 44b, The positioning boss 43 formed on the lower engaging pin 42 is inserted into the centering hole 74 formed in the gripper 71.

At this time, when the bent portions 75a and 76a protruding from the opposite sides through the slots 44a and 44b are bent at right angles to each other, the elastic clip 70 is lifted by the bent portions 75a and 76a The elastic clip 70 is prevented from being transmitted in the vertical direction by the positioning boss 43 inserted into the centering hole 74 and the hook 52 is fixed to the hook 52 of the preload spring 50, Can be prevented from being detached from the lower engaging pin (42).

4 and 5, the lifting plate 40 is inserted into the vertical guide grooves 31g and 32g formed in the guide ribs 31 and 32 so that the detent jaw 41 is guided by the guide ribs 31 The preload spring 50 can be freely moved in the direction of the upper end of the preload spring 50. As a result, Elastic energy is retained in a state where the length is longer than the state.

The present invention relates to a horizontal fixing body (80) which is brought into close contact with a ceiling insulation (24) toward a horizontal panel (22) formed in a corner mold (20) and is engaged with the upper end of a vertical fixing body (30); A dovetail projection 35 formed on the top of the vertical fixture 30; A dovetail groove 81 formed on the bottom surface of the horizontal fixture 80 and coupled with the dovetail projection 35 to guide the horizontal fixture 80 horizontally; A cutting portion 35g formed on the dovetail projection 35; And a stopper 82 formed in the dovetail groove 81 and hooked inside the cutting portion 35g.

10 to 13, the stopper 82 slides on the upper end of the vertical fixture 30 in the form of a dovetail, and the stopper 82 is fixed to the horizontal fixture body 24 in close contact with the ceiling insulator 24, (80) from separating from the vertical fixed body (30).

The present invention relates to a horizontal fixture (80) having a rectangular groove (83) formed on an upper portion thereof; A press block 90 inserted into the rectangular groove 83; A needle hole 84 vertically passing through the horizontal fixing body 80; A cylinder-shaped pinching part 91 formed in the pressing block 90; And a needle 92 which is fitted into the top end of the needle holding part 91 and stuck in the ceiling insulator 24 through the needle hole 84. [

The pressing block 90 can be formed in a hexagonal shape with an open bottom and a hollow shape. The rectangular groove 83 is formed in a rectangular shape having an open top in conformity with the horizontal and vertical width of the pressing block 90, A plurality of grooves 83 may be formed in the horizontal fixture 80 to provide a plurality of pressure blocks 90.

The needle 92 can be formed by sharpening the tip of the round bar made of metal by sharpening or corrugating by conically cutting the upper end of the needle 92 into the needle holding portion 91 and fixing it.

The present invention comprises an air permeable facing portion (93) formed at a side edge of a press block (90) and forming an exhaust passage with an interval from an inner corner of a rectangular groove (83); And an exhaust groove 94 formed in the bottom corner of the press block 90 to form an exhaust passage leading from the inside of the press block 90 to the air permeable chamfer 93. [

The ventilating chamfered portion 93 can be formed, for example, at four corners of the pressing block 90, and its main use is to remove the air remaining inside when the press block 90 is inserted into the rectangular groove 83 But it is also possible to smoothly insert the pressing block 90 by removing the frictional resistance which may occur at the corner when inserting the pressing block 90 into the rectangular groove 83.

The ventilation groove 94 may be formed in a diagonal direction as shown in Fig. 2, and may be formed in a semicircular cross-section, and further includes a vent hole 95 penetrating inward and outward at the upper center of the pressure block 90 So that air can be discharged more quickly.

In the drawings, reference numerals 25 and 26 denote flat plate members installed together with the corner mold 20 to support the wall surface heat insulating material 23 and the ceiling heat insulating material 24.

Hereinafter, the operation according to the present invention will be described in detail with reference to the accompanying drawings.

6 to 8, when the center of the slide pin 61 protruding out through the wall insulator 23 is aligned with the center of the gripper 71, the vertical fixture 30 is inserted into the wall insulator (not shown) The slide pin 61 is inserted into the gripper 71 through the vertical guide slot 34 and engaged with the vertical fixture 30 so as to be brought into close contact with the wall surface heat insulator 23.

At this time, when the slide pin 61 is inserted into the gripper 71, the gripper 71 is opened as shown in an enlarged view of FIG. 9 to help the slide pin 61 enter, 71, the gripper 71 is restored to its original shape by the elastic restoring force, so that the upper semicircular engaging portion 72 and the lower semicircular engaging portion 73 are caught by the annular V-groove 61g.

10 and 11, when the vertical holding body 30 is lifted upward, the lifting plate 40 and the elastic clip 70 are kept stopped by the slide pin 61, The preload spring 50 is stretched so that the vertical fixture 30 and the horizontal fixture 80 are raised together.

The vertical fixing body 30 and the horizontal fixing body 80 stop while the lower end of the vertical guide slot 34 is caught by the slide pin 61 and the bottom surface of the horizontal fixing body 80 contacts the upper surface of the ceiling insulation member 24 .

12 and 13, the horizontal fixing body 80 is slid along the dovetail projection 35 and is brought into close contact with the upper surface of the ceiling insulator 24 When the horizontal fixture 80 is fully pushed, the stopper 82 is stopped by being caught by the cutting portion 35g.

12 and 13, when the press block 90 is inserted into the rectangular groove 83 formed in the horizontal fixing body 80, the needle 92 provided on the knee holding portion 91 is inserted into the circular groove 83 formed in the horizontal fixing body 80, The horizontal fixing body 80 is fixed to the ceiling insulator 24 by being inserted into the ceiling insulation 24 through the hole 84.

The air remaining in the rectangular groove 83 while inserting the pressing block 90 into the rectangular groove 83 escapes through the exhaust groove 94 and the air permeable portion 93 and the resistance due to the air compression .

The horizontal fixing body 80 is brought into close contact with the upper surface of the ceiling heat insulating material 24 with a strong force by the elastic restoring force applied to the preload spring 50 to prevent the ceiling heat insulating material 24 from being lifted from the corner mold 20 .

12 to 15, when the front surface and the bottom surface, which are exposed portions of the vertical fixture 30, are covered with the waterproof film 100, when the concrete is poured into the vertical fixture 30 It is possible to prevent the concrete from being introduced and to secure a space in which the gripper 71 can smoothly open when the corner mold 20 is demolded.

The waterproof film 100 can be formed using a transparent or semitransparent vinyl tape coated with an adhesive on one side and adheres to the end portion of the horizontal fixing body 80 as shown in Fig. Can be done.

20: corner mold 21: vertical panel
22: Horizontal panel 23: Wall insulation
24: ceiling heat insulator 25, 26: flat plate
30: vertical fixture 31,32: guide rib
31g, 32g: vertical guide groove 33: upper engaging pin
33g: Leaving prevention groove 34: Vertical guide slot
35: dovetail projection 35g: cutting portion
40: a steel plate 41: a stop jaw
42: lower engaging pin 43: positioning boss
44a, 44b: Slot 50: Preload spring
51, 52: ring portion 60: screw
61: slide pin 61g: annular V groove
62: Hexagon rod 70: Elastic clip
71: gripper 72: upper half-circle fastener
73: lower semicircle latching portion 74: centering hole
75, 76: legs 75a, 76a:
80: horizontal fixture 81: dovetail groove
82: stopper 83: rectangular groove
84: Needle hole 90: Press block
91: With you, the government 92: Needles
93: breathable cotton section 94: exhaust groove
95: ventilation hole 100: waterproof film

Claims (3)

A vertical fixture (30) for bringing the wall surface insulation material (23) into close contact with the vertical panel (21) formed on the corner mold (20);
Guide ribs 31 and 32 formed parallel to the inner wall surface of the vertical fixing body 30 in the vertical direction and having parallel vertical guide grooves 31g and 32g;
A lifting plate 40 slidable in the vertical direction along the vertical guide grooves 31g and 32g and having a detent jaw 41 engaged with the guide ribs 31 and 32 at a lower end thereof;
An upper latch pin (33) formed on an inner upper side of the vertical fixing body (30);
A lower engaging pin (42) formed on the lifting plate (40);
A preload spring 50 hung by the upper latching pin 33 and the lower latching pin 42 to exert a force in a direction in which the vertical holding body 30 and the lifting plate 40 are brought close to each other;
A slide pin 61 formed at an end of the screw 60 installed in the vertical panel 21 and having an annular V groove 61g;
A vertical guide slot 34 for vertically guiding the vertical fixture 30 by the slide pin 61;
An elastic clip (not shown) which is hooked by the slide pin 61, which is engaged with the annular V groove 61g to mutually connect the lifting plate 40 and the slide pin 61 and separated when the corner mold 20 is demolded, (70);
A horizontal fixing body (80) tightly adhering the ceiling insulation (24) to the horizontal panel (22) formed on the corner mold (20) and coupled to the upper end of the vertical fixing body (30);
A dovetail projection (35) formed on the vertical fixture (30);
A dovetail groove (81) formed on the bottom surface of the horizontal fixing body (80) and coupled with the dovetail projection (35) to guide the horizontal fixing body (80) horizontally;
A cutting portion 35g formed on the dovetail projection 35; And
A stopper 82 formed in the dovetail groove 81 and hooked to the inside of the cutting portion 35g;
And a heat insulating material fixing unit for heat insulating the building. The method according to claim 1,
The elastic clip (70)
A gripper 71 of a U-shaped cross section, which is coupled to an end of the lower engaging pin 42 and into which the slide pin 61 is inserted;
An upper semicircular engaging part 72 and a lower semicircular engaging part 73 protruding inward in the direction opposite to each other at the upper and lower ends of the gripper 71 and engaged with the annular V groove 61g;
A centering hole 74 formed at the center of the gripper 71;
A positioning boss 43 formed at an end of the lower engaging pin 42 and inserted into the centering hole 74;
Legs 75 that extend from both side edges of the gripper 71 and are bent in parallel to the lifting plate 40 and maintain a constant gap between the gripper 71 and the lifting plate 40 76);
Slots 44a and 44b formed in the steel plate 40; And
Bent portions 75a and 76a formed at the ends of the legs 75 and 76 with a smaller width than the legs 75 and 76 and inserted into the slots 44a and 44b and then bent;
And a heat insulating material fixing unit for heat insulating the building. The method according to claim 1,
A rectangular groove 83 formed on the horizontal fixing body 80;
A pushing block (90) inserted into the rectangular groove (83);
A needle hole 84 passing through the horizontal fixing body 80 vertically;
A cylinder-shaped pinching part 91 formed on the pressing block 90;
A needle (92) having an upper end fitted in said knocking part (91) and being inserted into said ceiling insulation (24) through said needle hole (84);
An air permeable facing part (93) formed at a side edge of the pressing block (90) and forming an exhaust passage with an interval from an inner corner of the rectangular groove (83); And
An exhaust groove 94 formed in the bottom corner of the pressing block 90 to form an exhaust passage leading from the inside of the pressing block 90 to the air permeable face portion 93;
And a heat insulating material fixing device for fixing the heat insulating material to the building.

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