JP2011184945A - Dry-type water stop structure of intersection of joints of exterior wall - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dry-type water stop structure of an intersection of joints of an exterior wall by which a reliable water stop can be obtained only by a dry system even when deviation etc. are observed in construction of the exterior wall, and incorporation of parts etc. or construction is facilitated as the structure is simple. <P>SOLUTION: A dry-type first water stop material 7 extends on a back side of exterior wall surface materials 1a, 2 along a vertical joint 4 on upper and lower sides of a horizontal joint 5 in a manner of piercing the horizontal joint 5. The dry-type first water stop material 7 is wider than a width dimension of the vertical joint 4. Both side parts 7a, 7a of the first water stop material 7 project on the back side of the exterior wall surface materials on right and left sides of the vertical joint 4. A water-stop fillet 7b extending vertically is arranged on a front side of each of the projecting parts. The fillet prevents the water from entering to the further depth and forms a state of water stop. A dry-type second water stop material 8 is arranged on the vertical joint 4, and a dry-type third water stop material 9 is arranged on the horizontal joint 5. Thus, water stop is achieved only by dry system. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a dry waterstop structure of an outer wall joint intersection.

  For example, vertical joints extending in the vertical direction between the outer wall material on the left floor and the floor and the outer wall material on the right floor and the floor, and the left and right outer wall materials between the floor and the left and right floors As the water-stopping structure of the outer-wall joint where the horizontal joints extending in the left-right direction between the outer wall material and the outer wall material of the outer wall material are wet, or a combination of wet and dry, or only dry Although a structure has been proposed, since wet technology requires specialized skills for construction, development of a structure that can form an appropriate water-stop state only by the dry method has been carried out.

JP-A-7-62831 Japanese Patent Laid-Open No. 7-207776

  However, because of the difficulty in ensuring the accuracy of construction of the outer wall, the upper and lower vertical joints sandwiching the intersection are slightly decentered from each other, and the joint width dimensions are different from each other. In addition, the same thing may happen to the left and right vertical joints sandwiching the crossover part, and only a dry water-stopping material fitted into the vertical and horizontal joints forms a complete water-stopping state. Extremely difficult.

  For this reason, parts and components have been incorporated to ensure that a water-stopping state is formed even if such a deviation occurs, but the problem is that the structure is complicated and that installation and construction are time-consuming. was there.

  In view of the above-mentioned problems, the present invention can form a firm water-stopping state only with a dry type even if there is a mess in the construction of the outer wall, and the structure is simple and the parts are incorporated. It is an object of the present invention to provide a dry water-stopping structure for joints on outer wall joints that can be easily constructed.

The above problem is that the vertical joint extending between the upper and lower outer wall materials on the left side and the upper and lower outer wall materials on the right side, the lower left and right outer wall materials, and the upper left and right outer wall materials A water-stop structure of the outer wall joint intersection where the horizontal joint extending in the left-right direction intersects in a cross shape,
On the back side of the outer wall material, a dry-type first water-stopping material extends along the vertical joint and on both the upper and lower sides sandwiching the horizontal joint so as to penetrate the horizontal joint,
The first dry water-stopping material is wider than the width of the vertical joint, and both side portions project to the back side of the left and right outer wall materials sandwiching the vertical joint, and the front side of each projecting portion is vertically There are fins for water stop extending to each, and each fin prevents water from entering deeper than that, forming a water stop state,
A dry second water stop material is provided between the left and right outer wall materials sandwiching the vertical joint, and a dry third water stop material is provided between the upper and lower outer wall materials sandwiching the horizontal joint, One dry waterproof material of the third dry waterproof material is extended so as to pass through the cross-shaped intersection of the vertical joint and the horizontal joint, and the other dry waterproof material is the cross-shaped intersection at the one side. This is solved by the dry water stop structure of the outer wall joint intersection characterized by being divided by the dry water stop material and extending on both sides of the one dry water stop material (first invention).

  In this structure, there is an error in the construction of the outer wall, and even at the cross-shaped intersection of the outer wall joints, water such as rainwater enters the back beyond the second and third dry waterstops, Each fin of 1 water stop material can prevent the penetration of water into the back, and can form a firm water stop state only by a dry method.

  In addition, the dry first waterstop material is wider than the width of the vertical joint, and both sides protrude from the back side of the left and right outer wall materials sandwiching the vertical joint, and vertically A water-stopping fin extending in the direction is provided, and each fin is designed to prevent water from entering deeper and form a water-stopping state. The structure itself is simple, and it is only necessary to incorporate it, and the structure is simple.

  In addition, the dry first waterproofing material is wider than the width of the vertical joint, and it is only necessary to incorporate both sides so that it projects to the back side of the left and right outer wall materials. is there.

In the first invention, the upper left and right outer wall surface materials are made of outer wall materials on the floor, and the back portion of each upper wall surface material is provided with a vertical trunk edge extending in the vertical direction on the adjacent side portion. In addition, a recess opening downward is provided between each vertical trunk edge and the upper outer wall surface material, and the upper end side of the dry first water blocking material is inserted into each recess,
The dry first water blocking material has a groove formed on the front side by projecting the back side to the back at the center in the width direction on the front side, and the projection on the back side is provided between the vertical trunk edges. It is good to make it protrude in the back through (2nd invention).

  In this structure, both sides in the width direction of the dry first water-stopping material can be incorporated at positions close to the outdoor side on the back side of the outer wall surface material, thereby facilitating the incorporation of the dry first water-stopping material. In addition, construction can be performed easily. In addition, using the groove provided in the center in the width direction of the dry first water-stopping material, the dry second water-stopping material can be deeply fitted into the vertical joint, forming a firm water-stopping state. can do.

In the first and second inventions, the left and right outer wall materials on the upper side are made of an outer wall material on the floor, and the back of each floor outer wall material has a vertical trunk edge extending in the vertical direction on the adjacent side portion And a recess opening downward is provided between each vertical trunk edge and the upper outer wall surface material, and the upper end side of the dry first water blocking material is inserted into each recess, and each upper outer wall surface The material and the vertical trunk edge press the fins of the dry first water stop material to form a water stop state,
Each vertical trunk edge protrudes downward from each floor outer wall surface material, and the upper end sides of the lower left and right outer wall surface materials are weighted on the front side of the lower protruding portion of each vertical trunk edge, and each lower side It is preferable that the outer wall surface material and the vertical trunk edge press the fins of the dry first water stop material to form a water stop state (third invention).

  In this case, since the fins of the first water stop material are pressed on both the upper and lower sides across the horizontal joint, a firm water stop state can be formed. In addition, it can be realized with a simple structure in which the vertical trunk edge of the rear surface portion of the upper outer wall surface material is projected downward.

  Since the dry-type waterstop structure of the outer wall joint intersection of the present invention is as described above, it is possible to form a firm water-stop state only by the dry type even if there is a deviation in the construction of the outer wall, etc. The structure is simple and components can be easily assembled and installed.

BRIEF DESCRIPTION OF THE DRAWINGS The dry-type water stop structure of embodiment is shown, A figure (I) is a principal part front view, A figure (B) is the II arrow directional view of a figure (I). It is a decomposition | disassembly cross-section side part of the dry-type water stop structure. FIG. 1 (a) is a front view of the state where the inter-story outer wall material is removed, and FIG. 2 (b) is a front view of the state where the inter-story outer wall material is attached. Fig. 1 (a) is a front view of the whole, Fig. (B) is a side view, Fig. (C) is a cross-sectional view of part A of Fig. (A), and Fig. It is a B section transverse cross section of figure (I). Fig. (A) is a side view showing the first, second and fourth dry water-stopping materials in a separated state, Fig. (B) is a cross-sectional view of part C of Fig. (A), and Fig. (C) is a diagram ( (A) is a cross-sectional view of part D, (d) is a cross-sectional view of part E of FIG. (A), and (e) is a cross-sectional view of part F of FIG.

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

  The water stop structure of the embodiment shown in FIGS. 1 to 5 is the same as the water stop structure of the present invention in that the outer wall material 1a, 2 between the left floor and the floor and the outer wall material 1a between the right floor and the floor. , 2 and a vertical joint 4 extending in the up-down direction, and a horizontal joint 5 extending in the left-right direction between the left and right outer wall materials 2, 2 and the left and right outer wall materials 1a, 1a on the floor, Is applied to the intersection of the outer wall joints in a cross shape, 6 is a steel body difference, 1 is an upper outer wall panel, 7 is a dry first waterstop, 8 is a dry second A water stop material, 9 is a dry third water stop material. In addition, 3 is a downstairs outer wall panel, 10 is a dry-type 4th water stop material.

  The floor outer wall panel 1 is provided with a plate-like outer heat insulating material 1c between the panel frame 1b and the floor outer wall surface material 1a, and the outer heat insulating material 1c and the floor on the side of the floor outer wall surface material 1a. A vertical trunk edge 1d is provided between the outer wall surface material 1a and a ventilation layer 1e extending vertically between the outer heat insulating material 1c and the upper floor outer wall surface material 1a by the vertical trunk edge 1d. It consists of things.

  A recess 11 that opens downward is formed by providing a notch on the side of the vertical trunk edge 1d between the vertical trunk edge 1d on the side and the upper outer wall surface material 1a. The upper end side of the dry first water blocking material 7 can be inserted into the place 11.

  Moreover, said vertical trunk edge 1d protrudes below the upper floor outer wall surface material 1a, and the upper end side of the inter-story outer wall surface material 2 forms a weight on the front side of the lower protruding portion 12 of the vertical trunk edge 1d. It is made to be arranged.

  The dry-type first water-stopping material 7 extends along the vertical joint 4 on both the upper and lower sides sandwiching the horizontal joint 5 so as to penetrate the horizontal joint 5, and is made wider than the width dimension of the vertical joint 4. In addition, both side portions 7a, 7a project to the back side of the left and right outer wall materials sandwiching the vertical joint 4, and the rubber-like inwardly inclined stop extending vertically from the front side of each projecting portion 7a, 7a. Water fins 7b... Are provided, and each fin 7b prevents water from penetrating deeper and can form a water stop state.

  And as this dry-type 1st water stop material 7 is shown to FIG. 4 (A) (C), it makes the groove part 7c in the front side by making the back side protrude in the back in the center part of the width direction of the front side. As shown in FIG. 4 (b), the depth of the groove 7c and the size of the protrusion on the back side gradually decrease from the upper end of the dry first water-stopping material 7 downward. On the lower end side, as shown in FIG. 4 (d), the groove portion 7c and the protrusion are flat and have a flat shape.

  As shown in FIG. 1 (a), the dry second water-stopping material 8 is formed between the left and right upper floor wall materials 1a and 1a sandwiching the vertical joint 4 and between the left and right floor outer wall materials 2 and 2. The portion 8a to be fitted between the left and right upper floor wall materials 1a and 1a is formed in the depth direction as shown in FIG. 5 (b). While the three fins 8c are provided to ensure a large dimension in the front-rear direction, a portion 8b that is fitted between the cross-shaped intersection joint portion and the left and right outer wall surfaces 2 and 2 is formed by a notch step portion 8d. The fins on the back side are omitted, and as shown in FIG. 5C, there are two fins 8c... In the depth direction and the size in the front-rear direction is limited to be small. Each fin 8c is made of rubber-like elasticity.

  The dry third water-stopping material 9 is divided into left and right by the dry second water-stopping material 8 at the cross-shaped joint joint between the upper floor outer wall material 1a and the inter-floor outer wall material 2 sandwiching the horizontal joint 5. Thus, both sides sandwiching the dry second waterstop material 8 are extended in the left-right direction and are provided with rubber-like elasticity. In this embodiment, as shown in FIG. 2 and 2 are pre-installed on the upper surface.

  The dry fourth waterstop material 10 is fitted between the left and right downstairs outer wall surface materials 3a, 3a sandwiching the vertical joint 4, and has four fins 10c in the depth direction as shown in FIG. ... is provided, and a large dimension in the front-rear direction is ensured. On the other hand, the upper end 10b has a fin on the front side by a notch step 10d so that the back side of the first dry waterstop 7 can be raised. 5 is omitted, and as shown in FIG. 5 (d), there are two fins 10c... Each fin 10c is also made of rubber-like elasticity.

  After the construction of the outer wall panels 1 and 3 on the upper and lower floors, the construction is performed on the both sides of the upper end of the dry first water-stopping material 7 from the outdoor side. It is made the state inserted in the recess 11 between. At that time, as shown in FIG. 1 (b), the back side protruding portion 7d on the center side in the width direction of the dry first water blocking material 7 is the back side of the side portion of the left and right upper outer wall materials 1a, 1a. It is made to protrude in the back through between the vertical trunk edges 1d and 1d with which it is equipped.

  Next, the outer wall material 2 between the floors is installed between the outer wall materials 1a, 3a upstairs and downstairs from the outdoor side. As a result, the floor outer wall surface material 1a and the vertical trunk edge 1d press the fins 7b of the dry first water blocking material 7 to form a water stop state, and the floor outer wall surface material 2 and the vertical trunk edge 1d. Presses the fin 7b of the dry first water blocking material 7 to form a water blocking state.

  Thereafter, the dry second waterstop material 8 is fitted into the vertical joint 4 from the outdoor side. In the fitting of the dry second water blocking material 8, a portion 8 a provided with three fins 8 c in the depth direction is used as the vertical joint 4 by using the groove 7 c on the front side of the dry first water blocking material 7. It can be deeply fitted inside.

  About the dry type 3rd water stop material 9, since this dry type water stop material 9 is previously attached to the upper end part of the outer wall material 2 between floors, when installation of the outer wall material 2 between floors is performed, At the same time, the formation of the horizontal joint 5 and the fitting of the dry third water blocking material 9 into the horizontal joint 5 are completed.

  In addition, in this embodiment, as shown in FIG. 2, the base 13 for parting attachment is previously attached to the lower end part of the outer wall surface material 2 between floors, and installation of the outer wall material 2 between floors is carried out between floors. After performing, the parting 15 is attached to the horizontal joint 14 between the outer floor wall material 2 and the downstairs outer wall material 3 a, so that the lateral joint 14 is concealed by the parting 15.

  Also, the dry fourth waterstop 10 is fitted into the vertical joint between the left and right downstairs outer wall materials 3a, 3a, and the upper end 10b of the dry second waterstop 8 is placed on the back side of the lower end of the dry second waterstop 8. Get up. Thereby, between the dry type 2nd water stop material 8 and the dry type 4th water stop material 10 will be in a water stop state.

  As described above, in the dry water stop structure described above, there is an error in the construction of the outer wall, and water such as rainwater is supplied to the second and third dry water stop materials 8 and 9 at the cross-shaped intersections of the outer wall joints. , 9, the fins 7 b of the dry first water-stopping material 7 can prevent water from entering the back and form a firm water-stopping state.

  Moreover, the dry first water-stopping material 7 is wider than the width dimension of the vertical joint 4, and both side portions 7 a, 7 a project to the back side of the left and right outer wall materials sandwiching the vertical joint 4, and each projecting portion 7a, 7a are provided with water-stopping fins 7b extending in the vertical direction on the front side, and each fin 7b is configured to prevent water from entering further and form a water-stopping state. Therefore, the dry first water-stopping material 7 itself has a simple structure, and it is only necessary to incorporate it, and the structure for water-stopping can be simplified.

  In addition, the dry first water-stopping material 7 is wider than the width of the vertical joint 4, and it is only necessary to incorporate both side portions 7a, 7a so as to project to the back side of the left and right outer wall materials. Construction is also easy.

  In particular, the dry first water-stopping material 7 can be incorporated in the position close to the outdoor side on the back side of the outer wall surface material by the action of its shape, so that the both sides 7a, 7a in the width direction can be incorporated. The construction of the material 7 can be facilitated and the construction can be carried out easily, and yet the dry second second stop using the groove portion 7c provided at the center in the width direction of the dry first water stopping material 7 is possible. The water material 8 can be deeply fitted to the vertical joint 4 and a firm water stop state can be formed.

  Furthermore, the dry first water-stopping material 7 is configured such that the fins 7b are pressed on both the upper and lower sides across the horizontal joint 5, thereby forming a firm water-stopping state. In addition, it can be realized with a simple structure in which the lower end portion 12 of the vertical trunk edge 1d provided on the back surface portion of the upper outer wall material 1a is protruded downward.

  In addition, the water received on the front side of the dry first water blocking material 7 through the cross-shaped crossing portion of the joint flows down as it is, and the horizontal joint 14 between the outer floor wall material 2 and the lower outer wall material 3a. It is designed to be drained to the outdoor side.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, the case where the structure of the present invention is applied to the water stop of the cross-shaped joint intersection formed between the upper floor wall material 1a and the outer floor wall material 2 is shown. It is also possible to apply to the cross water stop of the cross-shaped joint intersection where there is no inter-floor wall material and a horizontal joint is formed between the upper-floor outer wall material and the lower-floor outer wall material. It can be widely used for water-stopping at the joint joint.

  Further, in the above-described embodiment, the vertical trunk edge is provided for forming the ventilation layer, but may be provided for forming an air layer or the like not intended for ventilation.

DESCRIPTION OF SYMBOLS 1a ... Floor outer wall material 1d ... Vertical trunk edge 2 ... Inter-floor outer wall material 4 ... Vertical joint 5 ... Horizontal joint 7 ... Dry type 1st water stop material 7a ... Both sides 7b ... Fin 7c ... Groove 7d ... Protrusion 8 ... dry type second water stop material 9 ... dry type third water stop material 11 ... recess 12 ... downward projecting portion

Claims (3)

A vertical joint extending in the vertical direction between the upper left and right outer wall materials on the left and the right upper and lower outer wall materials, and in the left and right direction between the lower left and right outer wall materials and the upper left and right outer wall materials. The outer wall joint crossing portion where the extending horizontal joint intersects in a cross shape,
On the back side of the outer wall material, a dry-type first water-stopping material extends along the vertical joint and on both the upper and lower sides sandwiching the horizontal joint so as to penetrate the horizontal joint,
The first dry water-stopping material is wider than the width of the vertical joint, and both side portions project to the back side of the left and right outer wall materials sandwiching the vertical joint, and the front side of each projecting portion is vertically There are fins for water stop extending to each, and each fin prevents water from entering deeper than that, forming a water stop state,
A dry second water stop material is provided between the left and right outer wall materials sandwiching the vertical joint, and a dry third water stop material is provided between the upper and lower outer wall materials sandwiching the horizontal joint, One dry waterproof material of the third dry waterproof material is extended so as to pass through the cross-shaped intersection of the vertical joint and the horizontal joint, and the other dry waterproof material is the cross-shaped intersection at the one side. The dry-type waterstop structure of the outer wall joint intersection, which is divided by the dry-type waterstop material and is extended on both sides sandwiching the one dry-type waterstop material. The upper left and right outer wall materials are made of outer wall materials on the floor, and on the back portion of each floor outer wall material, vertical body edges extending in the vertical direction are provided on adjacent side portions, and each vertical body edge And a recess that opens downward between the upper outer wall surface material and the upper end side of the dry first water blocking material is inserted into each recess,
The dry first water blocking material has a groove formed on the front side by projecting the back side to the back at the center in the width direction on the front side, and the projection on the back side is provided between the vertical trunk edges. The dry-type water stop structure of the outer wall joint intersection according to claim 1, wherein the outer wall joint intersects with the outer wall. The upper left and right outer wall materials are made of outer wall materials on the floor, and on the back portion of each floor outer wall material, vertical body edges extending in the vertical direction are provided on adjacent side portions, and each vertical body edge A recess opening downward is provided between the floor and the upper outer wall surface material, and the upper end side of the dry first water blocking material is inserted into each recess so that each upper outer wall surface material and the vertical trunk edge are dry-type. Pressing the fin of the first water stop material to form a water stop state,
Each vertical trunk edge protrudes downward from each floor outer wall surface material, and the upper end sides of the lower left and right outer wall surface materials are weighted on the front side of the lower protruding portion of each vertical trunk edge, and each lower side The dry-type waterstop structure of the outer wall joint intersection according to claim 2, wherein the outer wall material and the vertical body edge press the fins of the first dry-type waterstop material to form a waterstop state.

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