JP2014066092A - Outer clad adiabatic wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outer clad heat insulating wall capable of securing ventilation also in a lateral direction in a ventilation layer formed on a front side of a heat insulating material.SOLUTION: In an outer clad heat insulating wall, lath net stoppers 1, each of which includes a spacer 2, a locking metal fitting 3, and a machine screw 4, are used. The locking metal fitting 3 is connected to the spacer 2 by the machine screw 4. An inner part 3a of the locking metal fitting 3 is arranged on the inner side of a lath net 54 while breaking a paper part of the lath net 54 from a mesh place of the lath net 54. An outside part 3b of the locking metal fitting 3 is positioned outside the lath net 54. That is, the locking metal fitting 3 is set so that the lath net 54 is sandwiched between the inner part 3a and the outside part 3b. Then, the machine screw 4 inserted in the spacer 2 is screwed into a column 51 and the inner part 3a and the outside part 3b of the locking metal fitting 3 approach each other to pressure-fixing the lath net 54.

Description

  The present invention relates to a wet type external heat insulating wall using a lath net stopper for supporting a lath net.

  FIG. 21 is an explanatory view showing the internal structure of the wet type outer heat insulating wall 100 using the trunk edge 101. A gypsum board 103 is disposed on the inner wall surface of the pillar 102, and a heat insulating material 104 is disposed on the outer wall surface of the pillar 102. An air layer 105 is formed between the gypsum board 103 and the heat insulating material 104, and the heat insulating effect of the outer wall is enhanced by the air layer 105. A body edge 101 is provided on the outer surface of the heat insulating material 104. A lath net 106 is attached to the outer side surface of the barrel edge 101, and a ventilation layer 107 is formed on the back side (paper portion side) of the lath net 106 with a depth width of the thickness of the barrel edge 101. Yes. Further, a mortar 108 is applied to the surface side of the lath net 106, and a finishing material 109 is attached on the mortar 108.

  In the outer wall structure using the trunk edge 101, the ventilation layer 107 can ensure ventilation in the vertical direction but cannot perform ventilation in the horizontal direction.

  Patent Document 1 discloses a lath net mounting bracket used for an outer wall structure that ensures lateral ventilation by not using the trunk edge 101. In this outer wall structure, a ventilated frame sheet having a large number of depressions is disposed on the base plate. The lath net fitting is fixed to the base plate with staples while being fitted in the recess. Further, a lath net is disposed on the ventilated form sheet. The lath net is locked to a hook portion formed on the lath net mounting bracket.

JP 2011-137324 A

  However, although the outer wall structure disclosed in Patent Document 1 can ensure ventilation in the lateral direction, it cannot construct an outer heat insulating wall.

  In view of the above circumstances, an object of the present invention is to provide a wet-type external heat insulating wall capable of ensuring ventilation in a lateral direction in a ventilation layer formed on the front side of a heat insulating material.

  In order to solve the above-described problem, the external heat insulating wall of the present invention is an external heat insulating wall in which a heat insulating material is disposed on the outer surface side of a column, and a pipe-like spacer is inserted into the heat insulating material at the position of the column. The inner end of the spacer is applied to the pillar, and the front end of the spacer protrudes from the heat insulating material, and the spacer and the locking tool provided at the front end of the spacer are It is fixed to the column, and the lath net is locked by the locking tool.

  If it is said structure, since the said locking tool located in the front end of the said spacer is spaced apart and fixed from the said heat insulating material because the said front end has come out of the said heat insulating material, the said heat insulating material and A ventilation layer is formed between the lath nets. Since the spacers and the fasteners may be provided in the vertical direction of the pillars at intervals, the ventilation layer can also ensure ventilation in the lateral direction. The pillar includes a stud.

  A waterproof sheet may be provided on the front side of the heat insulating material, and a water stop material may be provided at a location where the spacer contacts the waterproof sheet. According to this, it is possible to prevent dew condensation water or the like from entering between the outer peripheral surface of the spacer inserted into the heat insulating material and the heat insulating material.

  An auxiliary spacer may be provided between the pillars and between the heat insulating material and the lath net, and the auxiliary spacer may be formed with a through hole that allows lateral ventilation.

  The paper portion on the back side of the lath net may be received by a part of the locking tool. According to this, when the mortar is applied to the lath net, it is possible to reduce the mortar from pushing the paper portion backward.

  If it is the outer wall insulation wall of this invention, there exists an effect that ventilation can be ensured also in a horizontal direction in the ventilation layer formed in the front side of a heat insulating material.

It is explanatory drawing which showed the lath net | network stop tool used with the external heat insulation wall of this invention. It is explanatory drawing which showed the external heat insulation wall of embodiment of this invention using the lath net stop of FIG. 1A is a plan view showing a spacer of the lath mesh stopper in FIG. 1, and FIG. 1B is a perspective view showing a latch fitting of the lath mesh stopper, FIG. ) Is a perspective view showing a screw of the lath mesh stopper. FIGS. 2A and 2B are explanatory views showing the attachment of the lath mesh stopper of FIG. FIGS. 2A and 2B are explanatory views showing the attachment of the lath mesh stopper of FIG. FIGS. 2A and 2B are explanatory views showing the attachment of the lath mesh stopper of FIG. FIGS. 2A and 2B are explanatory views showing the attachment of the lath mesh stopper of FIG. It is the perspective view which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention. It is the perspective view which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention. It is the perspective view which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention. It is explanatory drawing which showed attachment of the lath net stop of FIG. It is the perspective view which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention. It is explanatory drawing which showed attachment of the lath net stop of FIG. It is the figure which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention, The figure (B) is a top view, The figure (A) is the BB cross section, The figure ( C) is a cross-sectional view taken along the line AA. It is explanatory drawing which showed attachment of the lath net stop of FIG. It is the perspective view which showed the other example of the latching metal fitting which can be used with the external heat insulation wall of this invention. It is an exploded view of the latching metal fitting of FIG. It is explanatory drawing which showed attachment of the lath net stop of FIG. It is explanatory drawing which showed the attachment of the lath net stop which can be used with the external heat insulation wall of this invention. It is explanatory drawing which showed the external heat insulation wall of embodiment of this invention using the lath net stop of FIG. It is explanatory drawing which showed the external insulation heat insulation wall using the conventional trunk edge.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, a lath mesh stopper 1 used for an outer heat insulating wall according to an embodiment of the present invention includes a spacer 2 made of, for example, a cylindrical pipe having a predetermined length, and one end of the spacer 2. The locking metal fitting 3 located on the side, and the screw 4 provided so as to penetrate the locking metal fitting 3 and the spacer 2 are provided.

  FIG. 2 and FIG. 20 show the outer heat insulating wall 5 using the lath net stopper 1. In FIG. 20, the engagement state between the lath net stopper 1 and the lath net 54 is not shown. A heat insulating material 52 having a thickness of, for example, about 30 mm is disposed on the outer surface of the pillar 51 in the outer heat insulating wall 5. A heat-insulating and moisture-permeable waterproof sheet is attached to the outer surface of the heat insulating material 52. An air layer 58 is formed between the heat insulating material 52 and the gypsum board 50 disposed on the back surface of the column 51. An auxiliary spacer 53 having an H-shaped cross section extends vertically on the outer surface of the heat insulating material 52 (on the heat-insulating and moisture-permeable waterproof sheet) and away from the front of the column 51 (between the columns and between the columns). Are arranged. The auxiliary spacer 53 is bonded to the heat insulating material 52 by a double-sided adhesive tape or the like provided on one flange portion. A large number of through holes 53a are formed in the web portion of the auxiliary spacer 53. Even if the auxiliary spacer 53 is arranged as described above, a lateral direction is formed in the ventilation layer 59 formed on the outer surface of the heat insulating material 52. Even ventilation is ensured. The auxiliary spacer 53 has a height of about 15 mm, a width of about 14 mm, and a short length of about 50 mm. A lath net 54 is disposed on the front side of the auxiliary spacer 53.

  The length of the spacer 2 is about the length obtained by adding the height of the auxiliary spacer 53 to the thickness dimension of the heat insulating material 52. The spacer 2 is driven, for example, slightly below the strength bone 54 a serving as a force receiving force of the lath net 54, breaks the paper portion of the lath net 54, penetrates the heat insulating material 52, and reaches the column 51. Is provided. On the outer periphery of the main body 2a of the spacer 2, a ring-shaped water blocking material 2d is provided. The water blocking material 2d is wound at a position that takes into account the thickness of the heat insulating material 52 so as to come into contact with the outer surface of the heat insulating material 52 (heat-insulating and moisture-permeable waterproof sheet).

  The locking metal fitting 3 is connected to the spacer 2 by the screw 4. The inner portion 3a of the locking metal fitting 3 is disposed on the inner side (back side) of the lath net 54 by breaking the paper portion of the lath net 54 from the mesh portion of the lath net 54 slightly below the strength bone 54a. ing. The outer portion 3 b of the locking metal fitting 3 is located on the outer side (front side) of the lath net 54. That is, the locking metal fitting 3 is set so as to sandwich the lath net 54 and the strength bone 54a between the inner portion 3a and the outer portion 3b. The screw 4 inserted into the spacer 2 is screwed into the column 51. By this screwing, the inner side 3a and the outer side 3b of the locking metal fitting 3 come close to each other and the lath net 54 is pressed and fixed, and the lath net 54 is fixed to the column 51 via the lath net stopper 1. Has been. A plurality of lath net stops 1 are provided at predetermined intervals in the vertical direction of the pillar.

  A mortar 55 is applied to the lath net 54. Application of the mortar 55 tends to push the paper portion of the lath net 54 backward, but since the auxiliary spacer 53 is provided, the backward movement of the paper portion is limited. Similarly, even in the place where the lath mesh stopper 1 is provided, the inner portion 3a of the locking metal fitting 3 breaks the paper portion and is located inside the lath mesh 54. Backward movement is restricted. A finishing material 56 is provided on the top coat mortar 55.

  3A, 3B, and 3C show the spacer 2, the locking fitting 3, and the screw 4 in an enlarged manner. The spacer 2 is made of a resin (polyacetal or the like). A thick rib 2b is formed at the back end of the main body 2a of the spacer 2, and a thick rib 2c is formed at the front end. Further, as the water stop material 2d wound around the main body 2a of the spacer 2, for example, a water stop tape made of an independent foam type foam material is used. In addition, the water blocking material 2d has a thickness (for example, about 1 mm) that forms an outer diameter equal to the outer diameter of the portion where the rib portions 2b and 2c are formed. The formation of the rib portion can be omitted by increasing the thickness of the main body portion 2a. Further, the spacer 2 may be formed of metal, and in this case, the rib portion can be omitted. The spacer 2 may have a rectangular tube shape. You may form a rib in the position which arrange | positions the said water stop material 2d, and the said rib becomes a standard of the position which arrange | positions the said water stop material 2d in that case. It is preferable that the convex amount of the other rib and the convex amount including the water-stopping material 2d of the rib on which the water-stopping material 2d is disposed be the same.

  The front end of the inner portion 3 a of the locking metal 3 is formed sharply so that the paper portion of the lath net 54 can be easily broken. The inner part 3a of the locking metal fitting 3 is formed longer than the outer part 3b. The front end side of the inner part 3a of the locking metal 3 is bent in a direction approaching the outer part 3b, and the inner part 3a and the outer part 3b of the locking metal 3 are close to each other to connect the lath net 54. When press-fixing, the paper portion of the lath net 54 is received from the back surface. On the other hand, the sharpened part of the inner part 3a is bent away from the paper part, and the inner part 3a and the outer part 3b of the locking metal fitting 3 are close to each other and the lath net 54 is fixed by pressure. When doing so, the sharpened part does not break the paper part.

  The outer portion 3b of the locking fitting 3 has a flat shape. Further, the inner portion 3a and the outer portion 3b are integrally connected by a connecting portion 3c. The connecting portion 3c has a curved shape by folding, and the curved surface does not protrude outside the outer portion 3b. Further, the connecting portion 3c is formed with a cut portion 3d that enables the screw 4 to be engaged from the side.

  The screw 4 has a length of 90 mm, for example. The head of the screw 4 is, for example, a pan head.

  As shown in FIGS. 4A and 4B, the inner portion 3a of the locking fitting 3 is inserted into the back side of the lath net 54 by breaking the paper portion. And the sword 54a is located between the inner side part 3a and the outer side part 3b of the said locking metal fitting 3. FIG. A column 51 is located at a place where the locking metal fitting 3 is mounted.

  As shown in FIGS. 5 (A) and 5 (B), the locking metal fitting 3 is pushed up a little to position the force bone 54a around the connecting portion 3c. Then, the spacer 2 is set at a position below the locking fitting 3, and the screw 4 is inserted into the spacer 2.

  As shown in FIGS. 6A and 6B, the screw 4 is turned with an electric screwdriver 60, the spacer 2 is pushed in, and the inner end thereof is brought into contact with the column 51. Then, the electric screwdriver 60 is rotated in the reverse direction to lift the head of the screw 4 by about 15 mm.

  As shown in FIG. 7A and FIG. 7B, the screw 4 is attached to the connecting portion 3c by using the cut portion 3d of the locking fitting 3 under the head where the screw 4 is lifted. Slide it from the side to engage. At this time, the distance between the distal end of the outer portion 3b and the bone 54a is ensured to be 5 mm or more. The screw 4 is finally tightened by the electric screwdriver 60 while maintaining and maintaining this state.

  As described above, the lath net stopper 1 includes the pipe-shaped spacer 2, the locking metal fitting 3 that is located on one end side of the spacer 2 and includes the inner portion 3 a and the outer portion 3 b that sandwich the lath net 54, And a screw 4 provided so as to penetrate the locking metal fitting 3 and the spacer 2. By making the length of the spacer 2 longer than the thickness of the heat insulating material 52 arranged outside the column 51, the spacer 2 is pierced into the heat insulating material 52 and the inner end of the spacer 2 is connected to the column. In the state applied to 51, the one end side which becomes a near end can be protruded from the said heat insulating material 52. FIG. Further, by fixing the screw 4 penetrating the locking metal 3 and the spacer 2 to the column 51, the locking metal 3 located on one end side of the spacer 2 is separated from the heat insulating material 52. The air-permeable layer 59 is formed between the heat insulating material 52 and the lath net 54. Since the lath mesh stopper 1 may be provided at intervals in the vertical direction of the pillars 51, the ventilation layer 59 can ensure ventilation in the lateral direction.

  In the lath mesh stopper 1, a ring-shaped water blocking material 2 d is provided around the spacer 2, so that the outer peripheral surface of the spacer 2 inserted into the heat insulating material 52 and the heat insulating material 52 (shielding) are provided. It is possible to prevent the dew condensation water and the like from entering between the heat and moisture permeable waterproof sheet.

  In the lath mesh stopper 1, the inner portion 3a and the outer portion 3b are connected by the connecting portion 3c, and the inner portion 3a and the outer portion 3b are brought close to each other by tightening the screw 4. Since the lath net 54 is pressure-fixed, the movement of the lath net 54 is restricted and mortar coating or the like can be performed appropriately.

  In the lath mesh stopper 1, since a cut portion 3d for engaging the screw 4 from the side is formed, the degree of freedom in the mounting procedure of the spacer 2, the locking fitting 3, and the screw 4 is established. In addition, there is an advantage that no strictness is required in the alignment between the spacer 2 and the locking metal fitting 4.

  In the lath mesh stopper 1, the outer portion 3 b of the locking fitting 3 has a flat shape, so that the outer portion 3 b of the locking fitting 3 is in a lath mesh 54 when tightened with the screw 4. The degree of popping out on the front side is reduced, and mortar coating and the like can be performed appropriately.

  In the lath mesh stopper 1, the connecting portion 3c has a curved shape by folding back so that the curved surface does not protrude outside the outer portion 3b. The extent to which the connecting portion 3c of the locking metal fitting 3 protrudes on the front side of the lath net 54 is reduced, and mortar coating or the like can be performed appropriately.

  Further, when the lath net 54 is locked and fixed by the lath net stopper 1, the lath net is not directly attached to the trunk edge or the like, and the distance from the column 51 by the length of the spacer 2 is kept. The mortar wall is flexibly supported at the position, and movement of the mortar wall is allowed. Thereby, it can reduce that a crack enters into a mortar wall by an earthquake etc. Further, as a procedure for constructing the outer wall, the lath net 54 is temporarily fixed after the arrangement of the heat insulating material 52 instead of arranging the trunk edge after the arrangement of the heat insulating material 52. It will be a procedure to wear, so that the work can be done quickly and easily. Moreover, the thickness of the ventilation layer 59 can be adjusted by changing the length of the spacer 2.

  The locking fitting 31 shown in FIG. 8 has a shape in which the outer portion 3b is not flat, and the curved connecting portion 3c has a curved surface protruding outside the outer portion 3b. Yes. Even when such a locking metal 31 is used, the lath net 54 can be pressed and fixed by tightening the screw 4 so that the inner side 3a and the outer side 3b come close to each other. The mortar can be properly applied by limiting. Further, since the cut portion 3d for engaging the screw 4 from the side is formed, the degree of freedom in the mounting procedure of the spacer 2, the locking metal fitting 3, and the screw 4 is improved.

  9 has an inner portion 3a and an outer portion 3b connected to each other, and supports the lath net 54 from below at a portion between the inner portion 3a and the outer portion 3b. can do. The locking metal fitting 32 is not adapted to pierce the paper portion of the lath net 54. Moreover, the cut part 3d is not provided but has a screw insertion hole 3e.

  10 has an inner portion 3a and an outer portion 3b connected to each other, and supports the lath net 54 from below at a portion between the inner portion 3a and the outer portion 3b. can do. The locking fitting 33 is not adapted to pierce the paper portion of the lath net 54. Moreover, the cut part 3d is not provided but has a screw insertion hole 3e.

  Even when the locking metal fittings 32 and 33 are used, the lath net 54 can be supported by a combination of the spacer 2 and the screw 4 as shown in FIG. Further, the lath net stoppers 1 using the locking metal fittings 32 can be provided in a scattered manner, so that the ventilation layer 59 can also ensure ventilation in the lateral direction.

  12 and 13, the inner portion 3a and the outer portion 3b are connected to each other, and the inner portion 3a and the outer portion 3b face each other with the lath net 54 interposed therebetween by bending. It is like that. A screw insertion hole 3e and a long hole 3f are formed in the locking metal fitting 34, and the long hole 3f on the outer portion 3b overlaps the screw insertion hole 3e by the above bending, and in this state the screw 4 Can be inserted. Even when the locking metal fitting 34 is used, the lath net 54 can be bound and supported by a combination of the spacer 2 and the screw 4. Since the lath mesh stoppers 1 using the locking metal fittings 34 can be provided in a scattered manner, the ventilation layer 59 can also ensure ventilation in the lateral direction.

  14 has an inner portion 3a and an outer portion 3b connected to each other, and supports the lath net 54 from below at a portion between the inner portion 3a and the outer portion 3b. can do. The locking metal fitting 35 is not adapted to pierce the paper portion of the lath net 54. Moreover, the cut part 3d is not provided but has a screw insertion hole 3e. Further, the locking fitting 35 has two pieces of the inner part 3a and two pieces of the outer part 3b.

  Even when the locking metal fitting 35 is used, the lath net 54 can be supported by a combination of the spacer 2 and the screw 4 as shown in FIG. Since the lath mesh stoppers 1 using the locking metal fittings 35 can be provided in a scattered manner, the ventilation layer 59 can also ensure ventilation in the lateral direction.

  16 and 17, the inner part 3 a and the outer part 3 b are separated, and the inner part 3 a is fixed to one end side of the spacer 2. The inner part 3a and the outer part 3b have a circular shape, and the outer part 3b is larger than the inner part 3a. Further, claw 3g is formed at, for example, two places around the separated outer portion 3b. The claw 3g protrudes toward the inner part 3a and is bent 90 ° in the tangential direction.

  Even when the locking metal fitting 36 is used, the lath net 54 can be supported by a combination of the spacer 2 and the screw 4 as shown in FIG. Since the lath net stoppers 1 using the locking metal fittings 36 can be provided in a scattered manner, the ventilation layer 59 can also ensure ventilation in the lateral direction.

  The locking bracket 37 shown in FIG. 19 is similar to the locking bracket 36 except that the inner portion 3a and the outer portion 3b are separated, but the outer portion 3b has a square shape and is large. Has 3g claw.

  In addition, also in the spacer 2 used for the said locking metal fittings 31-37, the thing provided with the water stop material 2d can be used. It is also possible to use a nail instead of the screw 4.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

1 Lath Net Stopper 2 Spacer 2d Waterproofing Material 2d
DESCRIPTION OF SYMBOLS 3 Locking metal fitting 3a Inner part 3b Outer part 3c Connection part 3d Cut part 31-37 Locking metal fitting 4 Screw 5 Outer insulation wall 50 Gypsum board 51 Pillar 52 Heat insulating material 53 Auxiliary spacer 54 Lath net 54a Strength bone 55 Mortar

Claims (4)

  In an external heat insulating wall in which a heat insulating material is disposed on the outer surface side of a column, a pipe-shaped spacer is placed in the heat insulating material at the position of the column, the back end of the spacer is applied to the column, and the hand of the spacer The front end protrudes from the heat insulating material, the spacer and a locking tool provided at the front end of the spacer are fixed to the column by screws or nails, and the lath net is locked by the locking tool. Outer insulation wall characterized by being.   The outer heat insulating wall according to claim 1, wherein a waterproof sheet is provided on a front side of the heat insulating material, and a water stop material is provided at a position where the spacer contacts the waterproof sheet. And outer insulation wall.   3. The external thermal insulation wall according to claim 1, wherein an auxiliary spacer is provided between the pillars and between the heat insulating material and the lath net, and the auxiliary spacer has a lateral ventilation. A heat-insulating outer wall characterized in that a through hole is formed.   The outer heat insulating wall according to any one of claims 1 to 3, wherein a paper portion on the back side of the lath net is received by a part of the locking tool. .

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