JP2016156228A - Outer wall structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outer wall structure capable of improving installation workability while reducing the number of components to minimum while ensuring waterproofness.SOLUTION: The outer wall structure includes: plural wall bodies 3 constituted of metal plates; and a draining member 2. The plural wall bodies 3 are fixed to a wall base 1 being aligned in a horizontal direction. The draining member 2 is fixed to the wall base 1 between the plural wall bodies 3. Each of the wall bodies 3 has a projecting bent part 38 which projects forward over a full length in a horizontal direction thereof and opens to lateral sides at ends of the wall body 3. At an intermediate part of the draining member 2 in the horizontal direction, a protrusion part 25 is provided to cover the opening of the projecting bent part 38.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an outer wall structure, and more particularly, to an outer wall structure using a wall body made of a metal plate and a draining material.

  Patent Document 1 discloses a wall plate made of a metal plate. The wall panel described in Patent Document 1 is a corrugated wall panel formed by bending a metal plate. The wall panel has a plurality of convex bent portions that protrude forward and are bent to open sideways.

  Generally, this type of wall panel is mounted as shown in FIG. First, a flat drainer 91 is fixed to the wall base, and then a plurality of wall panels 92 are fixed so as to be arranged on both the left and right sides of the flat drainer 91. Then, a hat-shaped cover member 93 is attached between the pair of wall panels 92 arranged in the left-right direction, thereby covering the side opening of the convex curved portion to ensure waterproofness.

JP 2014-237964 A

  However, in such a conventional outer wall structure, in order to ensure waterproofness, a hat-shaped cover material 93 is required in addition to the flat water draining material 91. For this reason, in the conventional outer wall structure, there are many parts and there exists a problem that attachment work takes time.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an outer wall structure that reduces the number of parts as much as possible while ensuring waterproofness and improves the workability of mounting. .

  The outer wall structure of the present invention is composed of a metal plate and fixed to the wall base so as to be arranged in the left-right direction, and the wall base along the rear surface of the wall between the plurality of walls. A draining material fixed to the wall body, and the wall body is provided with a convex curved portion that protrudes forward over the entire length in the left-right direction and that opens laterally at an end surface of the wall body. A protruding portion that covers the opening of the convex portion between the wall bodies is provided at an intermediate portion in the left-right direction of the material.

  In this outer wall structure, the wall body preferably includes a plurality of metal wall plate members connected in the vertical direction, and the convex curved portion is a connection portion of the metal wall plate material.

  Further, in this outer wall structure, the protruding portion is configured to become narrower toward the protruding tip side, and the side end surface of the convex curved portion of the wall body is formed on the outer surface of the protruding portion. It is preferable to incline along.

  Further, in this outer wall structure, the draining main body is provided with at least one rib extending in the vertical direction on each of the left and right sides of the protrusion, and each rib and the rear surface of each wall body have It is preferably in contact.

  Further, in this outer wall structure, a protruding portion that protrudes upward is provided at the upper end portion of the metal wall plate material, and an insertion groove portion into which the protruding portion is inserted is provided at the lower end portion of the metal wall plate material, When the protruding portion of the metal wall plate material fixed to the wall base is inserted into the insertion groove portion of the metal wall plate material arranged above, the metal wall plate material arranged above the wall base material It is comprised so that it may hold | maintain in the state which is not fixed to.

  According to the outer wall structure of the present invention, it is possible to reduce the number of parts as much as possible and improve the workability of mounting while ensuring waterproofness.

It is the perspective view which abbreviate | omitted some metal wall board | plate materials of the outer wall structure of this embodiment. It is a horizontal sectional view of the outer wall structure of this embodiment. It is the perspective view which removed the metal wall board | plate material in the outer wall structure of this embodiment. It is a perspective view of the metal wall board material of this embodiment. FIG. 5A is a front view of the right end portion of the metal wall plate material of the present embodiment. 5B is a cross-sectional view taken along line AA in FIG. 5A. It is explanatory drawing when attaching a metal wall board | plate material in the outer wall structure of this embodiment. It is a front view of the outer wall structure of this embodiment. It is a perspective sectional view explaining the flow of rainwater in the outer wall structure of this embodiment. It is a vertical sectional view in the outer wall structure of this embodiment. In the outer wall structure of this embodiment, it is a vertical sectional view for explaining a state in which an operator releases the upper metal wall plate material. It is a vertical sectional view of a modification of the outer wall structure of the present embodiment. It is a horizontal sectional view of a reference example.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  The outer wall structure of the present embodiment is applied to an outer wall of a building such as a warehouse, a factory, or a house. As shown in FIG. 1, the outer wall structure of the present embodiment includes a wall base 1, a draining material 2, and a plurality of wall bodies 3 made of a metal plate.

  Hereinafter, a direction from the wall base 1 toward the wall body 3 is defined as a forward direction. Further, the definition of the left-right direction is determined by the posture of the construction worker or the like from the wall body 3 toward the wall base 1.

  The wall foundation 1 is a portion that becomes the foundation of the wall body 3. The wall base 1 includes a plurality of column members 11, for example. The plurality of column members 11 are arranged at intervals in the horizontal direction, and the longitudinal direction thereof is parallel to the vertical direction. Examples of the column member 11 include a column such as an inter-column, a tube column, or a through column, and a vertical trunk edge. In addition, a pillar is comprised by the square steel pipe, for example, and a vertical trunk edge is comprised by the grooved steel with a lip, for example. As the longitudinal body edge, a lip-shaped channel steel may be used alone, or two webs of lip-shaped channel steel may be connected to each other to have a substantially H-shaped cross section.

  The wall foundation 1 may include a heat insulating board arranged between the plurality of pillar members 11.

  The draining material 2 is disposed between the plurality of wall bodies 3 so as to be along the rear surface of the wall body 3, thereby preventing rainwater from flowing around the rear of the wall body 3. The draining material 2 is fixed to the column member 11, that is, fixed to the wall base 1. The draining material 2 has a length in the vertical direction and a width in the horizontal direction. The draining material 2 is formed by bending a rectangular metal plate (for example, a steel plate). The draining material 2 includes a draining body 21 and a ridge portion 25.

  The draining body 21 is arranged along the rear surface of the wall 3. The drainer main body 21 includes a first drainer 22 and a second drainer 23. The first draining part 22 constitutes a substantially half part on the left side of the draining material 2. The first draining portion 22 is provided with a plurality of ribs 24 (three in this embodiment) extending in the vertical direction and separated in the horizontal direction. The plurality of ribs 24 are formed by bending and project forward from the main surface of the first draining portion 22 (that is, projecting). The left end portion of the first draining portion 22 is hemmed and bent. As shown in FIG. 2, the protruding tip of the rib 24 is configured to contact the rear surface of the wall body 3. The plurality of ribs 24 may be, for example, a single rib 24, and the quantity is not limited.

  The 2nd draining part 23 comprises the edge part of the right side of the draining material 2, ie, the edge part on the opposite side to the side in which the 1st draining part 22 was provided. Similar to the first draining portion 22, the second draining portion 23 is provided with a plurality of ribs 24 extending in the vertical direction and separated in the horizontal direction. Since this rib 24 is the same structure as the 1st draining part 22, description is abbreviate | omitted.

  As shown in FIG. 1, the ridge portion 25 is provided between the first draining portion 22 and the second draining portion 23, that is, provided in an intermediate portion in the left-right direction of the draining body 21. The protrusion 25 extends in the vertical direction. The protruding portion 25 includes a first inclined portion 26 that is continuous with the first draining portion 22 and a second inclined portion 27 that is continuous with the second draining portion 23. In the protrusion 25, the right end of the first inclined portion 26 and the left end of the second inclined portion 27 are continuous, thereby forming a mountain-shaped cross section. That is, the protrusion 25 is configured to become narrower toward the protruding tip side. As shown in FIG. 2, the protruding portion 25 is configured such that the protruding tip is located at the same or the front of the front surface of the wall body 3.

  A plurality of wall bodies 3 are attached in front of the draining material 2 having such a configuration. The plurality of wall bodies 3 are fixed to the wall base 1 so as to be aligned in the left-right direction. As shown in FIG. 3, each wall body 3 includes a plurality of metal wall plate members 31 connected in the vertical direction.

  Each metal wall plate material 31 includes a flat wall plate main body 32, an upper connection portion 33 provided at the upper end of the wall plate main body 32, and a lower connection portion 37 provided at the lower end of the wall plate main body 32. . The metal wall plate material 31 is formed by bending a metal plate (for example, a steel plate). The pair of metal wall plate members 31 arranged in the vertical direction are connected by fitting the lower connection portion 37 of the upper metal wall plate material 31 to the upper connection portion 33 of the lower metal wall plate material 31.

  As shown in FIG. 4, the upper connecting portion 33 includes a protruding portion 34 and a fixing piece 35 extending upward from the rear end of the protruding portion 34. The protrusion 34 protrudes obliquely upward in the front direction. The projecting portion 34 is configured by folding an upper portion of the wall plate main body 32 obliquely upward and then folding back so as to overlap. The protruding portion 34 is provided over the entire length in the left-right direction of the upper end portion of the wall plate main body 32. The fixing piece 35 is provided over the entire length of the protrusion 34 in the left-right direction. A plurality of fixing tools are driven into the fixed piece 35. When the fixing tool is driven into the fixed piece 35 and the fixing tool is driven into the wall base 1, the metal wall plate 31 is fixed to the wall base 1.

  The lower connecting portion 37 is configured to fit into the upper connecting portion 33. The lower connecting portion 37 includes a convex curved portion 38 formed at the lower end of the wall plate main body 32 and an insertion groove portion 41 accommodated in the convex curved portion 38.

  The convex curved portion 38 projects forward from the front surface of the wall plate main body 32 and opens laterally on the end surface of the wall body 3. The convex curved portion 38 is provided over the entire length of the wall plate main body 32 in the left-right direction, and is open on both left and right sides. The convex curved portion 38 includes an upper slope portion 39 and a lower slope portion 40. In the convex curved portion 38, the lower end of the upper slope portion 39 and the upper end of the lower slope portion 40 are continuous, thereby forming a mountain-shaped cross section. As shown in FIG. 5A, the end portions on both sides in the left-right direction of the convex curved portion 38 protrude sideward from the side edge of the wall plate main body 32, and the end surfaces thereof are left and right as shown in FIG. 5B. In the direction, it inclines so that it may be located ahead, so that it leaves | separates from the wallboard main body 32. Thereby, the side end surface of the convex curve part 38 is comprised so that the outer surface of the protrusion part 25 of the draining material 2 may be followed.

  The protrusion 34 of the upper connecting portion 33 is inserted into the insertion groove 41. As shown in FIG. 4, the insertion groove portion 41 is provided at the lower end of the lower slope portion 40 of the convex curved portion 38. The insertion groove portion 41 extends upward from the lower end of the lower slope portion 40 in the inside (rear) of the convex curved portion 38. More specifically, the insertion groove portion 41 extends obliquely upward and forward from the lower end of the lower slope portion 40, whereby the tip 42 on the wall base 1 side of the insertion groove portion 41 is formed as shown in FIG. 9. The wall plate main body 32 is configured to be positioned in front of the front surface. The insertion groove 41 is provided over the entire length of the wall plate body 32 in the left-right direction.

  The outer wall structure of the present embodiment is configured by the following procedure (see FIG. 6).

  First, the installer fixes the draining material 2 to the column member 11 of the wall base 1. The installer assigns the draining material 2 to the front surface of the column member 11, inputs a fixing tool such as a screw, and fixes the draining material 2 to the column member 11.

  Next, the installer attaches the metal wall plate 31 in order from the bottom. The installer assigns the metal wall plate material 31 to the front surfaces of the plurality of column members 11, drives a fixing tool into the fixing piece 35, and fixes the metal wall plate material 31 to the column member 11. At this time, the opening (the opening facing the wall 1) on the side of the convex portion 38 of the metal wall plate 31 is covered with the protrusion 25 of the draining material 2.

  The installer fits the lower connection portion 37 of another metal wall plate material 31 into the upper connection portion 33 of the already fixed metal wall plate material 31. And a contractor is in the state which fitted the upper connection part 33 of the fixed metal wall board | plate material 31, and the lower connection part 37 of another metal wall board | plate material 31, and another metal wall board | plate material 31 of a metal wall board | plate material 31 with a fixing tool. The fixing piece 35 is fixed to the column member 11. In this way, the plurality of metal wall plate materials 31 are sequentially connected upward to form the wall body 3. Repeat the construction in the left and right direction in the same procedure to configure the outer wall.

  When the outer wall is formed, as shown in FIG. 7, the protruding portion 25 of the draining material 2 and the convex curved portion 38 of the metal wall plate 31 are continued in a lattice shape. Therefore, according to the outer wall structure of this embodiment, a lattice-like pattern can be formed on the outer wall, and an unprecedented outer wall design can be formed.

  In the outer wall structure of this embodiment, when it rains, as shown in FIG. 8, rainwater flows down along the ridge portion 25, but a part of the rainwater enters between the metal wall plate 31 and the draining material 2. There is a case. In this case, rainwater that has entered between the metal wall plate 31 and the draining material 2 flows down the draining portions 22 and 23 of the draining material 2. At this time, the gap between the draining portions 22 and 23 and the metal wall plate material 31 is covered by the protrusion 25, and the inside of the gap is not easily affected by the wind. Flow down.

  Even if rainwater flows in a direction away from the ridges 25 due to the wind, the rainwater is blocked by the ribs 24 and flows downward. Moreover, since the draining material 2 of the present embodiment is provided with a plurality of ribs 24, the waterproof property can be further enhanced.

  Moreover, the protrusion part 34 provided in the metal wall board | plate material 31 of this embodiment protrudes upwards. The protrusion 34 has a protrusion length longer than the thickness of the protrusion 34. Moreover, the depth direction of the insertion groove part 41 is along the up-down direction. The depth of the insertion groove portion 41 is longer than the groove width. Further, the protrusion 34 and the insertion groove 41 extend in the left-right direction of the metal wall plate 31.

  As shown in FIG. 10, the outer wall structure of the present embodiment is in a state where the protrusion 34 of the fixed metal wall plate 31 is inserted into the insertion groove 41 of another metal wall plate 31 at the time of construction. Even if the construction worker releases the upper metal wall plate material 31, the insertion groove 41 is caught by the projection 34, and the upper metal wall plate material 31 is held. In particular, since the protrusion 34 and the insertion groove 41 of the present embodiment extend in the left-right direction, the upper metal wall plate 31 is held more stably. As a result, the installer can work more safely.

  As described above, the outer wall structure of the present embodiment includes the wall base 1, the plurality of wall bodies 3 made of a metal plate, and the draining material 2. The plurality of wall bodies 3 are fixed to the wall base 1 so as to be aligned in the left-right direction. The wall body 3 has a convex curved portion 38 that protrudes forward over the entire length in the left-right direction and opens laterally at the end surface of the wall body 3. The draining material 2 is provided along the rear surface of the wall body 3. At the intermediate portion in the left-right direction of the draining material 2, a ridge portion 25 that covers the opening between the wall portions 3 of the convex curved portion 38 is provided.

  Thus, according to the outer wall structure of the present embodiment, the opening of the convex curved portion 38 of the wall body 3 can be closed by the protrusion 25 provided on the draining material 2, so that the cover is separate from the draining material 2. No material is required. Moreover, since the draining material 2 can receive the rainwater that wraps around the back surface side of the wall body 3, and the gap between the wall body 3 and the draining body 21 can be blocked by the protrusion 25. Also, waterproofness can be secured. As a result, it is possible to ensure waterproofness without reducing the sealing between the protruding portion 25 and the convex curved portion 38, to reduce the number of parts as much as possible, and to improve the mounting workability. .

  Moreover, the wall body 3 of this embodiment is provided with the some metal wall board | plate material 31 connected with the up-down direction. The convex curved portion 38 is a connecting portion of the metal wall plate material 31.

  For this reason, according to the outer wall structure of the present embodiment, it is possible to prevent water from entering from the opening on the side of the connecting portion of the metal wall plate 31 that is connected in the vertical direction, and the waterproofness can be improved. In addition, the convex curved portion 38 and the ridge portion 25 can add a lattice pattern to the outer wall surface of the building, so that an unprecedented building exterior can be formed.

  Moreover, the protrusion part 25 of this embodiment is comprised so that it may become so narrow that it goes to the protrusion front end side. The side end surface of the convex curved portion 38 of the wall body 3 is inclined so as to follow the outer surface of the ridge portion 25.

  For this reason, according to the outer wall structure of this embodiment, the clearance gap between the protrusion part 25 and the convex curve part 38 can be made not conspicuous. That is, at the portion where the ridge portion 25 and the convex curved portion 38 intersect, the ridge portion 25 and the convex curved portion 38 overlap each other when viewed from the front. Even if a gap of a certain level or more is formed between the two, the gap is not conspicuous from the front.

  In addition, the draining body 21 of the present embodiment is provided with at least one rib 24. The ribs 24 extend in the vertical direction, and are provided on both the left and right sides of the ridge portion 25. Each rib 24 is in contact with the rear surface of each wall 3.

  For this reason, according to the outer wall structure of the present embodiment, even if water enters the rear surface of the wall body 3, the water can be dammed by the ribs 24, so that the waterproof property can be further improved. .

  In addition, a protruding portion 34 that protrudes upward is provided on the upper end portion of the metal wall plate material 31 of the present embodiment. An insertion groove 41 into which the protrusion 34 is inserted is provided at the lower end of the metal wall plate 31. And if the projection part 34 of the metal wall board | plate material 31 fixed to the wall foundation | substrate 1 is inserted in the insertion groove part 41 of the metal wall board | plate material 31 arrange | positioned upwards, the metal wall board | plate material 31 arrange | positioned upwards will become a wall foundation | substrate. It is configured to be held even when it is not fixed to 1.

  For this reason, according to the outer wall structure of this embodiment, even if the builder should let go of the metal wall plate material 31 disposed above during construction, the metal wall plate material 31 is prevented from immediately falling. Moreover, since it can prevent falling forward, the builder can work safely.

  Further, the insertion groove portion 41 of the metal wall plate 31 of the present embodiment extends upward and obliquely forward from the lower end of the convex curved portion 38 inside the convex curved portion 38. Thereby, the front end 42 on the wall base 1 side of the insertion groove portion 41 is configured to be positioned in front of the front surface of the wall plate main body 32.

  For this reason, even if it connects the some metal wall board material 31 of this embodiment to an up-down direction, it can prevent that the insertion groove part 41 rides on the wall base 1 or the draining material 2, and floats.

  In the outer wall structure of the present embodiment, the convex curved portion 38 is a connecting portion of the metal wall plate material 31. However, in the outer wall structure of the present invention, the convex curved portion 38 is each convex of the corrugated metal wall plate. You may comprise by a part. Moreover, the side end surface of the convex curved part 38 does not need to incline with respect to a wall surface, for example, may orthogonally cross with respect to a wall surface. In that case, the protrusion 25 does not become narrower toward the protruding tip, but is formed with the same width from the protruding base to the tip.

  Moreover, although the protrusion 25 provided in the draining material 2 of this embodiment was provided in the center of the left-right direction of the draining main body 21 (position 1/2 with respect to the width), You may be provided in the position biased to either.

  The metal wall plate material 31 of the present embodiment may have a structure as shown in FIG. 11, for example (hereinafter, this example is referred to as a modification). In the present modification, components corresponding to those in the above-described embodiment are denoted by reference numerals obtained by adding an alphabet “a” to the end of the reference numerals in the above-described embodiments, and description thereof is omitted.

  As for this metal wall board material 31a, the projection part 34a protrudes vertically upward from the upper end part of the wall board main body 32a. Further, the insertion groove 41a extends vertically upward from the lower end of the convex curved portion 38a.

  Even with such a modified metal wall plate 31, the number of components can be reduced as much as possible while securing waterproofness, and the workability of mounting can be improved.

DESCRIPTION OF SYMBOLS 1 Wall base 11 Column member 2 Draining material 21 Draining body 22 First draining part 23 Second draining part 24 Rib 25 Projection part 26 First inclined part 27 Second inclined part 3 Wall body 31 Metal wall plate material 32 Wall board main body 33 Upper connecting part 34 Protruding part 35 Fixed piece 37 Lower connecting part 38 Convex part 39 Upper slope part 40 Lower slope part 41 Inserting groove part

Claims (5)

A plurality of wall bodies configured by metal plates and fixed to the wall base so as to be arranged in the left-right direction,
A draining material fixed to the wall base along the rear surface of the wall body between the plurality of wall bodies,
The wall body is provided with a convex bent portion that protrudes forward over the entire length in the left-right direction and opens laterally at the end surface of the wall body,
An outer wall structure characterized in that a projecting ridge portion is provided at an intermediate portion of the draining material in the left-right direction so as to cover the opening between the wall bodies of the convex curved portion. The wall body includes a plurality of metal wall plates connected in the vertical direction,
The outer wall structure according to claim 1, wherein the convex curved portion is a connecting portion of the metal wall plate material. The protruding portion is configured to become narrower toward the protruding tip side,
3. The outer wall structure according to claim 1, wherein a side end surface of the convex curved portion of the wall body is inclined along the outer surface of the protruding portion. The draining body is provided with at least one rib extending in the vertical direction on each of the left and right sides of the protrusion,
The outer wall structure according to any one of claims 1 to 3, wherein each rib and a rear surface of each wall body are in contact with each other. The upper end portion of the metal wall plate material is provided with a protruding portion protruding upward,
The lower end portion of the metal wall plate material is provided with an insertion groove portion into which the protruding portion is inserted,
When the protruding portion of the metal wall plate material fixed to the wall base is inserted into the insertion groove portion of the metal wall plate material arranged above, the metal wall plate material arranged above the wall base material The outer wall structure according to claim 2, wherein the outer wall structure is configured to be held in a state where the outer wall is not fixed to the outer wall.

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