JP2825765B2 - Exterior wall fall prevention device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of peeling off a concrete wall body from a wall having a convex section, for example, a veranda of an apartment house, due to heat shrinkage, drying shrinkage, and deterioration or aging due to wind and rain. The present invention relates to an outer wall fall prevention device for preventing a coating layer made of cement mortar from falling.

[0002]

2. Description of the Related Art A configuration for preventing a fall of an outer wall according to the prior art is disclosed, for example, in Japanese Utility Model Laid-Open No. 2-141332. This prior art is a configuration related to covering a convex section of a building veranda or the like, but also has a function of preventing the outer wall from falling, and the configuration includes an upper surface, a side surface falling from the upper surface, and a lower surface from the lower end of the side surface. A three-sided lower surface that wraps around to the side, and a convex wall that projects laterally from the outer wall of the building in a rectangular shape, along the upper surface, the side surface that falls from the upper surface, and the lower surface that wraps downward from the lower end of the side surface A bracket is fixed to the bracket, and the bracket is fixed to the bracket, and a cover plate serving as a cover body is attached along the longitudinal direction of the convex wall. A first cover plate that has an inner piece and a lower piece that are bent to form a first cover plate that fixes both pieces to brackets located on the lower surface and side surfaces of the convex wall; Part, and partially overlaps the outer side of the inner piece of the first cover plate. An outer piece, the second at least fixed to the bracket to position upper piece on the upper surface of the convex wall
A first cover plate that covers at least the upper surface of the convex wall and partially overlaps the upper piece of the second cover plate, and that is fixed to a bracket located on the upper surface of the convex wall; At the overlapping portion of the inner piece of the cover plate and the outer piece of the second cover plate, first connecting means capable of changing the overlapping state is provided, and at the overlap portion of the upper piece of the second cover plate and the third cover plate. Is provided with a second connecting means capable of changing its polymerization state.

[0003]

In such a prior art, a plurality of brackets fixed to a wall as described above, and a plurality of cover plates as cover bodies mounted from outside of these brackets are provided. And each of the cover plates and the bracket are attached so that the cover plate located on the upper side is engaged with the bracket on the outside of the cover plate located on the lower side. In such prior art, since each cover plate and the bracket are only engaged with each other and are attached only by the engagement force, the attachment strength is low, and therefore, a part of the wall body is partially replaced with the remaining part. When it is peeled off and falls, a part of the wall body may come into contact with the cover plate, and the cover plate may come off the bracket and fall. The lower end of the upper cover plate is in contact with the lower cover plate, and water, such as rainwater, flowing down the upper cover plate flows downward from the upper cover plate. Since the water invades through the gap with the cover plate on the side, there is a possibility that the water may enter the seam from the joint portion by capillary action.

[0004] Accordingly, an object of the present invention is to prevent the lower cover body from being dropped by the weight of a part of the wall body from which the cover body has been peeled off, for example, the lower cover body can be firmly fixed to the lower bracket by screws, and the cover located on the upper side An object of the present invention is to provide an outer wall fall prevention device capable of reliably preventing water from entering from a seam between a body and a cover body located on a lower side due to a capillary phenomenon or the like.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a plurality of brackets are fixed from the top to the bottom of an outer wall to a wall of a convex section which constitutes a veranda or the like of a building. In the outer wall fall prevention device to which a plurality of cover bodies are fixed, the plurality of brackets include a lower bracket in which a locking groove that opens upward is formed, and an upper bracket attached to an outer side of the lower bracket, The plurality of cover bodies are mounted on the lower bracket, and a locking piece that fits into the locking groove of the lower bracket from above and a rising portion that rises above the locking piece are formed. A lower cover body to which a fixing bolt is screwed, and the lower cover body and the upper bracket are externally covered, and a lower end is connected to the lower cover body. Spaced outwardly from,
An outer wall fall prevention device comprising an upper cover body attached to an outer side of the upper bracket.

[0006]

According to the present invention, a plurality of brackets are fixed to a wall body, and a plurality of cover bodies are fixed to the brackets. Is formed, and includes an upper bracket attached to the outer side of the lower bracket, a plurality of cover bodies of the outer wall fall prevention device are mounted on the lower bracket so as to cover the outer bracket, A locking piece that fits into the locking groove of the lower bracket from above and a rising portion that rises above the locking piece, and a lower cover body in which a fixing bolt is screwed into the rising portion; An upper cover body that covers the lower cover body and the upper bracket from outside and is mounted from the outside of the upper bracket. With this, the lower cover body fits the locking piece into the locking groove of the lower bracket and tightens and fixes it with the fixing bolt, so that the own weight of a part of the peeled wall acts on the lower cover body. , So that the lower cover body does not come off the lower bracket and fall. Further, the upper cover body is mounted at an interval outward from the lower cover body.
As a result, water such as rainwater that has flowed down along the upper cover body falls downward without being guided to the lower cover body, and penetrates into the interior from between the upper cover body and the lower cover body by capillary action or the like. Can be prevented.

[0007]

FIG. 1 is a perspective view showing an outer wall fall prevention device according to an embodiment of the present invention.
FIG. The outer wall fall prevention device 1 includes a first bracket 4 attached to a lower portion of an outer portion 3 having an outer wall surface of a slab 2 as a wall having a convex section such as a veranda provided in an apartment house, and the first bracket 4. A second bracket 5 attached to the upper part of the
A third bracket 6 as an upper bracket attached to the upper portion of the outer portion 3 above the bracket 5, and a first cover member as a lower cover member for covering a lower portion of the outer portion 3 from outside the first bracket 5; 7 and above the first cover body 7 from outside of the first cover body 7
And a third cover body 9 that covers an upper portion of the outer portion 3 from outside of the second cover body 8 above the second cover body 8. By the first and second brackets 4 and 5, the lower bracket 10
Is configured. The second and third cover members 8, 9
Thereby, the upper cover body 11 is configured.

The slab 2 has a rising portion 2a which rises upward at the outer end. The wall main body 12a inside the slab 2 is formed of reinforced concrete. A coating layer 16 is formed on the outer portion 3 and the upper portion 12b of the slab 2 with cement mortar having a higher shrinkage ratio than the concrete of the wall main body 12a. The upper surface 48 of the rising portion 2a is formed to be inclined downward as it goes inward, and a handrail support 17 is embedded in the rising portion 2a so as to protrude upward. Such a slab 2 is deteriorated due to aging, for example, a difference in heat shrinkage rate due to a change in temperature of concrete and cement mortar due to a change in temperature in summer and winter or day and night, and deterioration or aging due to wind and rain. In addition, cracks 13 may occur in the coating layer 16, and a part of the coating layer 16 may peel off from the wall body 12 a of the slab 2 and fall. The outer wall fall prevention device 1 is attached so as to cover the outer portion 3 of the slab 2 from outside.

The first bracket 4 has a first horizontal portion 14 and a first horizontal portion 1 provided along the lower surface 21 of the slab 2.
The first vertical portion 15 is provided along the outer portion 3 and rises upward from the outer end of the outer portion 4. The first vertical portion 15 is formed substantially in an L-shape. Near the upper end of the first vertical portion 15,
A locking groove 18 that opens upward is formed. The first horizontal portion 14 has an elongated hole 32 extending in a direction perpendicular to the plane of FIG. Such a first bracket 4
The first horizontal portion 14 is attached via the first liner 28 by the anchor bolt 19 inserted into the long hole,
Fixed to slab 2.

The second bracket 5 is provided along the outer portion 3. The second bracket 5 has a plurality of (three in this embodiment) positioning grooves 20a, 20b, which extend in a horizontal direction (a direction perpendicular to the plane of FIG.
20c is formed. Such a second bracket 5
With the positioning grooves 20a to 20c facing outward, the lower end 5a is fixed to the upper end 4a of the first bracket 4 by screws 27 to the outside of the first bracket 4.

The third bracket 6 includes a second vertical portion 22 provided along the outer portion 3 and a second horizontal portion 23 extending inward in the horizontal direction from the upper end of the second vertical portion 22. And is formed substantially in an L-shape. In the vicinity of the lower end of the second vertical portion 22, a positioning protrusion 24 protruding inward and fitted into the positioning grooves 20a to 20c.
Is formed. In addition, positioning protrusions 24 are provided near the lower end.
Above, a first locking portion 25 protruding outward is formed. In the second horizontal portion 23, a second locking portion 26 which rises upward and is bent outward is formed. The second vertical portion 22 has a long hole 3 extending vertically.
3 is formed. The third bracket 6 is configured such that the positioning protrusion 24 is formed by positioning grooves 20a to 20c (FIG. 1).
The positioning groove 20 provided at the uppermost position in the example shown in FIG.
In the state fitted in a), it is fixed to the outside of the second bracket 5 by the screw 29. In such a state, the third bracket 6 is fixed to the slab 2 by the anchor bolt 30 inserted into the elongated hole 33 with the second vertical portion 22 interposed with the second liner.

The brackets 4 to 6 are fixed so that the second horizontal portion 23 of the third bracket 6 abuts on the upper end 3 a of the outer portion 3 while being fixed to each other. Positioning grooves 20a to 20 into which the positioning protrusions 24 are fitted.
By selecting c and selecting the thickness or the number of the first liners 28, the second horizontal portion 23 can be fixed in contact with the upper end 3a of the outer portion 3 as described above. These brackets 4 to 6 are extruded members made of an aluminum alloy, and are so-called short members.

The first cover 7 is provided on the lower surface 2 of the slab 2.
1 and a third vertical portion 35 which rises vertically upward from the outer end of the third horizontal portion 34, and is formed substantially in an L-shape. Is done. At the inner end of the third horizontal portion 34, a third locking portion 36 that rises vertically upward and bends outward is provided. A first packing 37 that faces upward and closes a gap with the slab 2 is attached to the third locking portion 36.
At the upper end of the third vertical portion 35, a locking piece 38 that protrudes inward and fits into the locking groove 18 is formed. Further, a fourth locking portion 39 is formed on the upper end portion and protrudes outward in a direction opposite to the locking piece 38. At the upper end, a rising portion 40 that rises further upward from the locking piece 38 is formed, and a fixing bolt 41 is screwed to the rising portion 40. This first cover body 7
The third locking portion is locked to the inner side end 14a of the first horizontal portion 14 of the first bracket 4, and the locking piece 38 is fitted and locked in the locking groove. Attached from outside.

The second cover body 8 is provided vertically along the outer portion 3. The second cover body 8 protrudes inward, and has a plurality of (three in this embodiment) connecting portions in the vertical direction at the same intervals as the positioning grooves 20a to 20c. 42a, 42b and 42c are formed. A sixth locking portion 43 protruding inward and a seventh locking portion 44 protruding outward are formed at the upper end of the second cover body 8. Further, a first falling portion 45 which falls below the fifth locking portions 42a to 42c is formed at a lower end portion. Such a second cover body 8 is attached to the fourth locking portion 39 of the first cover body 7 by the fifth locking portion 42a.
To 42c (42c in the present embodiment), the sixth locking portion 43 is locked to the first locking portion 25 of the third bracket 6, and the outside of the first cover body 7 is locked. Mounted from.

The third cover member 9 is provided with a fourth vertical portion 46 provided vertically along the outer portion 3, and is bent inward from an upper end portion of the fourth vertical portion to start the slab 2. Part 2
and a sloped portion 47 provided along the upper surface 48 of FIG. The fourth vertical portion 46
Are formed in two stages, and the upper portion 46a is formed outside the lower portion 46b. A second falling portion 49 that falls downward is formed at the lower end portion of the upper portion 46a. At the lower end of the lower portion 46b, that is, at the lower end of the fourth vertical portion 46, an eighth locking portion 50 that protrudes inward is formed, and the third locking portion 50 that falls below the eighth locking portion 50 is formed. A falling portion 51 is formed. The inclined portion 47 is formed such that an end on the inner side extends to the column 17. A hook-shaped portion 52 that falls downward and bends outward is formed at the inner end. A packing 53 is attached to the hook portion 52 so as to face downward. The sloping portion 47 is formed with a ninth locking portion 54 that falls downward and bends inward. Such a third cover body 9
The eighth locking portion 50 is connected to the seventh locking portion 44 of the second cover body 8.
And the ninth locking portion 54 is fixed to the second bracket 6
The second cover body 8 is attached from the outside by being locked by the locking portion.

The cover members 7 to 9 are extruded members made of an aluminum alloy, and are so-called long members. These cover bodies 7 to 9 are mounted on brackets 4 to 6 and attached so as to cover the outer portion 3 of the slab 2 from outside. The falling portions 45, 51 of the second and third cover members 8, 9 are provided at intervals outward from the first and second cover members 7, 8 disposed below, respectively. As a result, water, such as rainwater, falls on the falling portions 4 of the second and third cover bodies 8, 9 at positions spaced outward from the first and second cover bodies 7, 8 disposed below.
It is guided downward by 5, 51 and falls. Therefore, it is possible to prevent water from penetrating into the inside of each of the cover bodies 7, 8, 9 due to capillary action or the like from the joints. Further, the second falling portion 49 includes a lower portion 46b.
, And water can be guided downward from the lower part 46b at a position spaced outward from the lower part 46b without guiding the water to the lower part 46b. Thus, the amount of water guided from the fourth vertical portion 46 of the third cover body 9 to the second cover body 8 provided below the third cover body 9 can be reduced. In addition, these falling portions 4
By providing 5, 49, and 51, a cover body that is preferable in design can be obtained. Further, packings 37 and 53 are provided at inner ends of the first and third cover bodies 7 and 9, and the first and third cover bodies 7 and 9, the wall 21 of the slab 2 and the rising part 2 a are provided. Can be eliminated, and water can be prevented from entering the outer portion 3.

FIG. 2 is an enlarged sectional view showing the vicinity of the second cover body 8 in FIG. The first vertical portion 15 includes a first horizontal protruding portion 55 that horizontally protrudes outward, and a vertical wall portion 56 that is provided vertically at an outer end of the first horizontal protruding portion 55. , A substantially T-shaped projection 57 is formed. The substantially T-shaped projection 57 and the second vertical portion 15 form the locking groove 58. The locking piece 38
Protrudes inward from the upper end of the third vertical portion 35,
An inclined protruding portion 58 that is formed to be inclined upward toward the inner side, a fourth falling portion 59 that is bent vertically downward from the inclined protruding portion 58 and falls, and a fourth falling portion 59 The second that bends horizontally outward and protrudes
The horizontal projection 60 forms a hook shape. Such locking pieces 38 are fitted into the locking grooves such that the second horizontal protrusions 60 contact the first horizontal protrusions 55.

The fourth locking portion 39 is formed to be inclined downward toward the outside. This fourth locking portion 3
Fifth locking parts 42a, 42b, 42 mutually engaging with
c is formed to be inclined upward toward the inside. In addition, the sixth, seventh and eighth locking portions 43, 44, 5
Similarly, with respect to 0, the inner side is formed to be inclined above the outer side. Thus, the locking portions 39, 42a to 42a
By forming c, 43, 44, and 50 such that the inner side is inclined above the outer side, it is possible to prevent water from entering the inside.

The first locking portion 25 of the third bracket 6
Project outward, and have an outer end bent downward and formed in a hook shape. The first locking portion 25 has a concave portion 63 facing upward in a base portion 25a thereof. The sixth locking portion 43 has a second vertical wall portion 64 provided vertically at an inner side end thereof, and is formed substantially in a T shape. Lower end portion 64a of the second vertical wall portion 64
Is embedded in the recess 63 so that the first locking portion 2
5 and the sixth locking portion are mutually engaged. The first falling portion 45 is provided at an interval L1 outside the first cover body. Further, the third falling portion 51 includes a second
It is provided at an interval L2 outside the cover body. With such intervals L1, L2, the falling portions 45, 5
1 is provided and the first to third cover members 7 to 9 are attached, so that it is possible to prevent water from penetrating from the mutual joint of the cover members 7 to 9 due to the capillary phenomenon as described above. .

FIG. 3 is a perspective view showing the second bracket 5. The second bracket 5 is, as described above, an extruded member, has a plate shape, and is a short member as described above. The plurality of positioning grooves 20a to 20c formed in the second bracket 5 are provided in parallel with each other. These positioning grooves 20a to 20c are formed to have a rectangular space. After the second bracket 5 is extruded, a notch groove 61 extending vertically from the upper end to the vicinity of the center in the vertical direction is formed at the center in the width direction (arrow A direction). This notch groove 61 is formed to penetrate in the thickness direction. The notch groove 61 has a substantially U-shaped cross section in a plane perpendicular to the thickness direction.

FIG. 4 is a view for explaining a procedure for attaching the first to third brackets 4 to 6. A second bracket 5 is attached to the outside of the first bracket 4 from outside the first bracket 4. The upper end 4a of the first vertical portion 15 of the first bracket 4 and the lower end 5 of the second bracket 5
The first bracket 4 and the second bracket 5 are fixed to each other by screws 27 from inside (from the right side in FIG. 4). Such a first bracket 4
The fixing work between the second bracket 5 and the second bracket 5 is generally performed at a factory. Thereby, work on site can be reduced.

After the second bracket 5 is fixed to the first bracket 4 in this manner, the positioning grooves 20a to 20c (20a in this embodiment) adapted to the vertical width of the outer portion 3.
Is fitted with the positioning projection 24. Positioning groove 20a ~
In a state where the positioning projection 24 is fitted to the second bracket 20c and the third bracket 6 is arranged outside the second bracket 5, the second bracket 5 and the third bracket 6
9 to be fixed. Such a second bracket 5
The fixing work between the second bracket 6 and the third bracket 6 is performed on site.
By forming a plurality of positioning grooves 20a to 20c, the first to first positioning grooves 20a to 20c are preferably formed according to the vertical width of the outer portion 3.
Third brackets 4 to 6 can be attached.

FIG. 5 is a view for explaining the procedure for attaching the first cover 7. As shown in FIG. 5A, first, the third locking portion 36 provided at the end on the inner side of the third horizontal portion 34 of the first cover body 7 is connected to the first horizontal portion of the first bracket 4. The hook 14 is hooked and locked on the inner end 14a of the hook 14. In this state where the third locking portion 36 is locked to the inner end 14a of the first horizontal portion 14, the third vertical portion 35 of the first cover body 7 is indicated by an arrow B upward. To be moved.

The third vertical portion 35 of the first cover 7 is moved upward, that is, the third vertical portion 35 is angularly displaced about the third locking portion 36 in the direction of arrow B, and the third horizontal portion 34 is horizontally moved. That is, when the third vertical portion 35 approaches the vertical portion, the entire first cover body 7 is pressed and urged upward from below as indicated by an arrow C, as shown in FIG. 5 (2). The third horizontal portion 34 is placed horizontally, that is, the third vertical portion 35 is placed vertically. When such a state is reached, the locking piece 38 is placed above the locking groove 18 of the first bracket 4.

FIG. 5 (3) is an enlarged view showing the vicinity of the locking piece 38 of FIG. 5 (2). As described above, the locking piece 38
It is arranged vertically above the locking groove 18. That is, the locking piece 38 is provided inside the vertical wall portion 56 of the T-shaped protrusion 57 forming the locking groove 18 and above the first horizontal protrusion 55.
The fourth falling portion 59 and the second horizontal projecting portion 60 are disposed. At this time, the fixing bolt 41 screwed to the second rising portion 40 is retracted outward.

When the pressing force indicated by the arrow C is removed from such a state, the first cover body 7 moves downward, and as shown in FIG. Fit into the locking groove 18. With the locking pieces 38 fitted in the locking grooves 18 in this manner, the fixing bolts 41 are screwed inward and arranged at the tightening positions 62 as indicated by phantom lines. As a result, the outer end 60a of the second horizontal projecting portion 60 of the engaging piece 38 is brought into contact with the vertical wall portion 56 of the T-shaped projecting portion 57 constituting the engaging groove 18 and is tightened. As described above, the locking piece 38 is tightened and fixed to the locking groove 18 by the fixing bolt 41, so that the first
The cover body 7 can be fixed to the first bracket 4. That is, as described above, when cracks or the like occur in the coating layer 16 of the slab 2 and a part thereof is separated from the wall main body 12a, even if the weight of the separated part acts on the first cover body, the first cover is formed. It is possible to prevent the body 7 from coming off the first bracket 4 and prevent a part of the slab 2 and the first cover body 7 from falling.

After the first cover 7 is attached, the second cover
The cover body 8 is attached. Here, referring to FIG. 2 again, the procedure for attaching the second cover body 8 is as follows.
a to 42c (the present embodiment 42c)
It is hooked on the locking portion 39 and locked. Next, the fifth locking portion 4
In the state where 2a to 42c are locked to the fourth locking portion 39, the upper end portion of the second cover body 8 is moved inward to move the sixth locking portion 43 to the second vertical wall portion 64. The third bracket 6 is hooked and locked by the first locking portion 25 of the third bracket 6 in a state of being fitted into the recess 63 of the first locking portion 25. In this manner, the second cover body 8 is connected to the first cover body 7 and the third bracket 6.
And attached from outside.

After the second cover body 8 is attached, the third cover
The cover body 9 is attached. Here, referring to FIG. 1 again, the mounting procedure of the third cover body 9 is as follows.
Of the second locking member 50 of the second cover body 8.
Hooked and locked. Next, the eighth locking portion 50 moves the upper end portion of the third cover body 9 from the state 65 shown by the phantom line to the inside in the state where the eighth locking portion 50 is locked to the seventh locking portion 44, Arrow D about the center of the eighth locking portion 50
The ninth locking portion 54 of the third cover body 9 is hooked on the second locking portion 26 of the third bracket 6 and locked by angular displacement in the direction. In this manner, the third cover body 9 is
And to the third bracket 6 from outside.

Thus, the outer wall fall prevention device 1 is
The slab 2 is attached to the slab 2 so as to cover the outer portion 3. As a result, water such as rainwater, from above, is guided to the inclined portion 47 of the third cover body and the upper surface 48 of the rising portion 2a, and is guided to the drain groove 66 provided in the slab 2, and The water from the left (in FIG. 1) is guided downward by the falling portions 45, 49, 51. Therefore, the coating layer 16 formed of the cement mortar of the outer portion 3 is not exposed to the weather, and the deterioration or aging of the outer portion 3 due to the weather can be suppressed. That is, the crack 13
It is possible to suppress the formation or development of the outer layer 3 and to prevent the outer layer 3 from peeling off the coating layer 16 from the wall main body 12a and to prevent the outer layer 3 from dropping. Water cracks 1
3 can be prevented from invading the inside of the building and causing a leak or the like. Further, since the outer wall fall prevention device 1 is fixed to the slab with a large strength by the anchor bolts 19 and 30 and the fixing bolt 41 and the like, even if the cracks 13 and the like occur and the coating layer 16 is peeled off, As described above, the covers 7 to 9 attached to the brackets 4 to 6 with great strength can prevent the brackets 4 to 6 from dropping.

FIG. 6 is a vertical sectional view showing a state in which the outer wall fall prevention device 1 of the embodiment shown in FIGS. 1 to 5 is attached to a slab 2b having an outer portion 3b having a small vertical width.
Parts having a similar configuration are denoted by the same reference numerals,
Description is omitted. The first and second brackets 4, 5 are
It is fixed to the slab 2 as described above. The third bracket 6 has positioning protrusions 24 corresponding to the vertical width of the outer portion 3a.
In a state of being fitted into the lowermost positioning groove 20c among the 20c, they are fixed to each other by screws 29 and fixed to the slab 2 by anchor bolts 30. At this time, the anchor bolt 30 is inserted into the notch groove 61 of the second bracket 5. As described above, by selecting the positioning grooves 20a to 20c into which the positioning protrusions 24 are fitted, the first to first widths can be selected according to the vertical width of the outer portion 3a.
The third brackets 4 to 6 can be attached to the slab 2.

The first cover 7 is mounted on the first bracket 4 as described above. The second cover body 8 corresponds to the vertical width of the outer portion 3b, and is the uppermost fifth locking portion 42a among the plurality of fifth locking portions 42a to 42c provided.
Is hooked and locked on the fourth locking portion 39 of the first cover body 7, and the sixth locking portion 43 is hooked and locked on the first locking portion 25 of the third bracket 6, It is attached to the first cover body 8 and the second bracket 5. The third cover body 9
As described above, it is attached to the second cover body 8 and the third bracket 6. Thus, even when the vertical width of the outer portion 3b is smaller than the vertical width of the outer portion 3 shown in FIGS. 1 to 5, the same effects as those shown in FIGS. 1 to 5 can be obtained. . In this way, outer wall fall prevention 1
Can be attached to the slab 2b corresponding to the vertical width of the outer portion 3b.

In the above embodiment, the lower bracket 1
0 is a first and second bracket 4, which are formed separately.
5, but may be formed integrally. Although three positioning grooves 20a to 20c are formed, two or four or more positioning grooves may be formed. Moreover, such positioning grooves 20a-
20 c may be formed on the third bracket 6, and the positioning projection 24 may be formed on the second bracket 5. Although a plurality of positioning grooves 20a to 20c are formed, a plurality of positioning protrusions 24 are formed, and positioning grooves 2 are formed.
Only one of 0a to 20c may be formed, and a plurality of positioning grooves 20a to 20c and a plurality of positioning protrusions 24 may be formed together.

In the above embodiment, the upper cover body 11 is constituted by the second and third cover bodies 8 and 9 formed separately, but may be formed integrally. . Although three fifth locking portions 42a to 42c are formed, two or four or more fifth locking portions 42a to 42c may be formed corresponding to the positioning grooves 20a to 20c or the positioning protrusions 24. Alternatively, one fifth locking portion may be formed, and a plurality of fourth locking portions 39 of the first cover body 7 may be formed.
A plurality of both 42a to 42c may be formed.

Further, fixing bolts 41 are attached to the upper cover body 11.
And a substantially L-shaped mounting member 67 (shown in FIG. 1) as shown by a virtual line, for example.
The upper cover body 11 may be fixed to the column 17 by using. Thereby, the upper cover body 11 can be firmly held.

[0035]

As described above, according to the present invention, there is provided an outer wall fall prevention device comprising: a lower bracket in which a locking groove opening upward is formed; an upper bracket attached to an outer side of the lower bracket; A locking piece is mounted on the lower bracket so as to cover it from the outside, and a locking piece that fits into the locking groove from above and a rising portion that rises above the locking piece are formed, and a fixing bolt is provided on the rising portion. A lower cover body to be screwed, and an upper cover body that covers the lower cover body and the upper bracket from outside and is mounted on the upper bracket on the outside, and the lower cover body has a locking piece. Is fixed in the locking groove of the lower bracket and fixed by the fixing bolt, so that the lower cover can be firmly held even if a part of the wall is peeled off and its own weight acts. However, it is possible to prevent the wall from being detached from the lower bracket, and to prevent a part of the wall from dropping, and to allow water to infiltrate, deteriorate the wall and deteriorate a part of the wall such as an outer wall. Can be prevented from newly peeling and falling. Also, since the lower end of the upper cover body is attached at an interval from the connection with the lower cover body to the outside, water that has descended along the upper cover body falls down, and It is possible to prevent intrusion into the inside from between the lower cover body, prevent deterioration of the wall body by water, and prevent a part of the wall body such as the outer wall surface from falling.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view showing an outer wall fall prevention device 1 according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view showing the vicinity of a second cover body 8 in FIG.

FIG. 3 is a perspective view showing a second bracket 5;

FIG. 4 is a diagram for explaining a procedure for attaching the first to third brackets 4 to 6;

FIG. 5 is a diagram for explaining a procedure for attaching the first cover body 7;

FIG. 6 shows a slab 2b having an outer portion 3a having a small vertical width by using the outer wall fall prevention device 1 of the embodiment shown in FIGS.
FIG. 4 is a vertical cross-sectional view showing a state in which the device is attached.

[Description of Signs] 1 outer wall fall prevention device 2 slab 3, 3b outer portion 4 first bracket 5 second bracket 6 third bracket 7 first cover body 8 second cover body 9 third cover body 10 lower bracket 11 upper cover Body 12a Wall main body 12b Upper part 16 Coating layer 18 Locking groove 20a to 20c Positioning groove 24 Positioning protrusion 38 Locking piece 40 Rising part 41 Fixing bolt 45 First falling part 49 Second falling part 51 Third falling part

Claims (1)

(57) [Claims] 1. A plurality of brackets are fixed from the upper part to the lower part of an outer wall surface to a wall of a convex section which constitutes a veranda or the like of a building, and a plurality of cover bodies are fixed to these brackets from outside. In the outer wall fall prevention device, the plurality of brackets include a lower bracket in which a locking groove that opens upward is formed, and an upper bracket attached to an outer side of the lower bracket. A locking piece that is attached to the lower bracket and fits into the locking groove of the lower bracket from above and a rising portion that rises above the locking piece is formed, and a fixing bolt is screwed to the rising portion. A lower cover body, the lower cover body and the upper bracket are covered from the outside, and a lower end portion is spaced apart from a connection portion with the lower cover body so as to be outside. And an upper cover body attached to the outer side of the upper bracket.