JP4490334B2 - Wall fastener - Google Patents

Description

  The present invention relates to a wall material fastener used when constructing a heat insulating wall composed of a heat insulating material and an exterior material.

  Conventionally, a heat insulating wall made of a heat insulating material and an exterior material is formed on the outside (outdoor side) of a wall base, and is used as a renovation using the wall base as an existing wall. In forming such a heat insulating wall, a wall material fastener for attaching and holding a heat insulating material and an exterior material to a wall base is used (for example, refer to Patent Document 1).

  An example of the wall material fastener A described in Patent Document 1 is shown in FIG. In this wall material fastener A, a support plate 11 for supporting the heat insulating material 3 and the exterior material 4 is extended from the surface of the substrate 10 fixed to the surface of the wall base 2, and on the front and back surfaces of the support plate 11 A locking piece 12 for positioning the heat insulating material 3 applied to the surface of the substrate 10 is erected, and the exterior is separated from the positioning locking piece 12 by a necessary space width S on the tip side of the support plate 11. A pair of positioning locking pieces 13, 14 that are engaged with the ends of the material 4 are erected on the support plate 11.

  And when constructing | assembling a heat insulation wall using the said wall material fastener A, it carries out as follows. First, as shown in FIG. 6 (b), the substrate 10 is driven and fixed to a wall base 2 such as a column or a girder by a fastening tool 7 such as a nail. Then, a heat insulating material 3 made of foamed resin or the like is installed between the substrate 10 and the locking piece 12, and then an exterior material 4 such as a fiber reinforced cement board is installed on the locking pieces 13 and 14. The exterior material 4 is formed with joint steps that are fitted to each other at the upper and lower edges, the locking piece 13 is in contact with the back surface of the exterior material 4, and the locking piece 14 is a fitting groove formed in the exterior material 4. Is engaged. After installing and positioning the lower ends of the heat insulating material 3 and the exterior material 4 in this way, a wall material fastener A different from the above is applied to these upper end portions, and the substrate 10 is fixed to the wall base 2 such as a nail. The wearing tool 7 is driven and fixed. Then, the heat insulating material 3 and the exterior material 4 different from the above are placed on the wall material fastener A disposed at the upper end portions of the heat insulating material 3 and the exterior material 4 in the same manner as described above. In this way, by sequentially attaching the wall material fastener A, the heat insulating material 3 and the exterior material 4 to the wall base 2, the heat insulating wall can be formed outside the wall base 2.

In said heat insulation wall, since the clearance gap 65 for the thickness of the support plate 11 is formed between the heat insulating materials 3 and 3 adjacent to the upper and lower sides, there exists a possibility that heat insulation may be impaired. Then, the said clearance gap is obstruct | occluded over substantially full length by sticking an airtight tape to the outer surface (outdoor side surface) of the heat insulating materials 3 and 3 in the width direction (horizontal direction) of the heat insulating material 3. However, when the airtight tape is applied, as shown in FIG. 7, the upper end 4a of the exterior material 4 is located at the same height as the gap 65, and therefore, the work of attaching the airtight tape is difficult. was there.
JP 2003-74132 A

  The present invention has been made in view of the above points, and an object of the present invention is to provide a wall material fastener that is easy to perform a sticking operation of an airtight tape for closing a gap between heat insulating materials adjacent to each other in the vertical direction. It is.

A wall material fastener A according to the present invention is a wall material fastener A for attaching a heat insulating material 3 and an exterior material 4 to a wall base 2, a fixing piece 20 for fixing to the wall base 2, and a fixing piece A heat insulating material supporting piece 21 protruding from the surface of the heat insulating member 21, an upper locking portion 27 protruding from the heat insulating material supporting piece 21 upward, and a heat insulating material supporting piece 21 protruding downward. the lower engaging portion 28 that, Ri formed and an outer package holding portion 22 which is protruded from the lower engaging portion 28 on the side opposite to the heat-insulating material supporting piece 21 side in the lower side of the heat insulating material supporting pieces 21, A protrusion 25 is provided on the rear surface of the upper locking portion 27, and a fulcrum portion 26 is formed on the front surface of the fixed piece 20 at a position below the protrusion 25 .

  In the present invention, the air layer forming means 30 for forming the air layer 81 between the heat insulating material 3 supported by the heat insulating material support piece 21 and the exterior material 4 supported by the exterior material holding part 22 is provided. Can be provided.

In the present invention, the upper end of the exterior material 4 supported by the exterior material holding portion 22 is positioned below the gap 65 formed between the heat insulation materials 3 and 3 adjacent to each other vertically with the heat insulation material support piece 21 interposed therebetween. Therefore, when the airtight tape 66 for closing the gap 65 is adhered, the upper end of the exterior material 4 does not get in the way, and the airtight tape 66 is easily adhered. Moreover, before attaching a new wall material fastener A to the upper side of the heat insulating material 3, the heat insulating material 3 can be temporarily fixed to the wall base 2 by pressing with the protrusion 25 without using an adhesive or an adhesive tape. The heat insulating material 3 and the exterior material 4 can be easily constructed.

  Hereinafter, the best mode for carrying out the present invention will be described.

  The wall material fastener A of the present invention is formed of a metal molded product such as stainless steel or aluminum, or a plastic molded product such as hard plastic, and the like (piece of heat insulation 3 or It is formed as a short object whose width dimension is shorter than the width dimension of the exterior material 4. Further, as shown in FIGS. 1A and 1B, the wall material fastener A includes a fixed piece 20, a heat insulating material support piece 21, an upper locking portion 27, a lower locking portion 28, an exterior material holding portion 22, and the like. It is formed with.

  The heat insulating material support piece 21 is formed in a substantially horizontal flat plate shape. A fixing piece 20 is provided at the rear end of the heat insulating material support piece 21 so as to protrude upward. The fixing piece 20 has a bent portion 31 extending so as to protrude from the rear end of the heat insulating material support piece 21 toward the front side, and an inclination extending so as to protrude rearward from the tip of the bent portion 31. It is formed by the part 72 and the adhering part 40 extended so as to protrude upward from the tip of the inclined part 72. The fixing portion 40 is provided with a plurality of fixing holes 41 arranged in the width direction. Note that a plurality of fixing holes 41 are not necessarily provided, and may be one. Further, a clamping piece 43 is provided at the rear end of the heat insulating material support piece 21 so as to protrude downward.

  An upper locking portion 27 that protrudes upward and a lower locking portion 28 that protrudes downward are formed at the front end of the heat insulating material support piece 21. The upper locking portion 27 and the lower locking portion 28 are aligned straight up and down, and a gap 44 is formed inside the upper locking portion 27 and the lower locking portion 28. The upper locking portion 27 and the lower locking portion 28 are formed as the air layer forming means 30. The upper front surface (outdoor side surface) of the upper locking portion 27 and the lower front surface (outdoor side surface) of the lower locking portion 28 are formed into curved surfaces, so that the exterior material 4 and the heat insulating material 3 can be easily inserted. Moreover, the dimension of the air layer 81 formed between the exterior material 4 and the heat insulating material 3 can be changed by changing the thickness (dimension in the front-rear direction) of the upper locking part 27 and the lower locking part 28.

  The exterior material holding part 22 is provided on the front surface of the lower locking part 28. Therefore, the exterior material holding part 22 is projected on the surface of the lower locking part 28 opposite to the surface on the heat insulating material support piece 21 side. The exterior material holding portion 22 has an upward holding piece 45 formed in a substantially inverted shape from the front surface of the lower locking portion 28 upward, and a substantially inverted L-shaped cross section projecting from the lower surface of the upward holding piece 45. And a downward holding piece 46.

  And when forming a heat insulation wall using the above wall material fasteners A, it carries out as follows. First, as shown in FIG. 2, a foundation drainer 50 and a starter fitting 51 are attached to the lower surface of the wall base 2. Here, FIG. 2 shows an existing wall as the base wall 2. That is, the wall base 2 that is an existing wall is attached with a base metal 53 having a substantially U-shaped cross section on the upper surface of the base 52 and a wall structure material 54 such as a trunk edge having a substantially U-shaped cross section on the base metal 53. The wall structure material 54 is formed by attaching a plate-like wall material 56 via a spacer 55. In addition, the structure of the said existing wall is not limited to the thing of FIG. 2, The structure of a general wooden house and a steel frame house may be sufficient. The starter fitting 51 has a base locking portion 58 projecting from the upper surface of the base 57 having a substantially rectangular cross section, and an attachment piece 59 provided at the rear of the upper surface of the base 57. The base holding piece 60 is formed by protruding. Then, the fastening member 7 such as a screw or a nail is inserted into the mounting piece 59 of the starter metal fitting 51 and the upper part of the base drainer 50 and screwed into the spacer 55 of the wall base 2, so that the surface (outdoor) A base drainer 50 and a starter fitting 51 are attached to the lower part of the side surface. The starter fitting 51 may be a piece or a long one.

  Next, the heat insulating material 3 is supported by the starter fitting 51. As the heat insulating material 3, a board formed of a resin foam such as urethane foam or phenol foam or a fiber aggregate such as glass wool or rock wool can be used. And the heat insulating material 3 is hold | maintained and supported by the starter metal fitting 51 by inserting the lower end part of the heat insulating material 3 between the base latching | locking part 58 and the attachment piece 59 of the starter metal fitting 51 attached to the wall base 2. Further, a packing 67 is provided between the heat insulating material 3 and the wall base 2 to ensure airtightness.

  Next, the exterior material 4 is supported by the starter fitting 51. The exterior material 4 is formed in a flat plate shape with a fiber reinforced cement board or the like, and a groove portion 61 having a substantially inverted V-shaped cross section is formed at the lower end thereof. And the exterior material 4 is hold | maintained and supported by the starter metal fitting 51 by inserting the groove part 61 of the exterior material 4 in the base holding piece 60 of the starter metal fitting 51 attached to the wall base 2. FIG. Accordingly, the exterior material 4 is placed on the outdoor side of the heat insulating material 3.

  Next, the wall material fastener A is attached to the upper side of the heat insulating material 3 and the exterior material 4 arranged on the outdoor side of the wall base 2 with the starter fitting 51. In attaching the wall material fastener A, the upper end portion of the heat insulating material 3 supported by the starter metal fitting 51 is inserted between the sandwiching piece 43 and the lower locking piece 28 of the wall material fastener A, and the starter metal fitting The downward holding piece 46 of the exterior material holding part 22 is engaged with the engaging projection 62 at the upper end of the exterior material 4 supported by 51, and then the fixed part 40 of the fixed piece 20 is secured to the wall base 2 by the fastener 7. Secure to. Here, the upper end surface of the heat insulating material 3 is brought into contact with the lower surface of the heat insulating material support piece 21 of the wall material fastener A. In this manner, the wall material fastener A is attached to the upper side of the heat insulating material 3 and the exterior material 4, and the wall material fastener A is provided at two positions in the width direction of the heat insulating material 3 and the exterior material 4.

  Next, another heat insulating material 3 is placed on the wall material fastener A. That is, by inserting the lower end portion of the new heat insulating material 3 between the fixed piece 20 of the wall material fastener A attached to the wall base 2 and the upper locking portion 27, the heat insulating material 3 is attached to the wall material fastener A. Hold and support. Here, the lower end surface of the heat insulating material 3 is brought into contact with the upper surface of the heat insulating material supporting piece 21 of the wall material fastener A.

  Next, an airtight tape 66 is attached so as to close a gap 65 formed between the heat insulating materials 3 and 3 adjacent to each other on the upper and lower sides with the heat insulating material support piece 21 interposed therebetween. The airtight tape 66 is a tape material formed by providing an adhesive layer on a non-breathable base material, and the airtight tape 66 is attached to the heat insulating materials 3 and 3 adjacent to each other in the vertical direction, thereby forming a gap 65. Is used to prevent a decrease in heat insulation. When the airtight tape 66 is stuck, the upper end of the exterior material 4 is locked to the downward holding piece 46 of the exterior material holding portion 22 provided below the heat insulating material support piece 21. In addition, as shown in FIG. 4, the upper end 4 a of the exterior material 4 is positioned below the gap 65. Therefore, when the gap 65 is closed with the airtight tape 66, the upper end 4a of the exterior material 4 does not get in the way, and the attaching operation of the airtight tape 66 is facilitated.

  Next, another exterior material 4 is supported on the wall material fastener A. That is, by inserting the groove 61 at the lower end of the new exterior material 4 into the upward holding piece 45 of the exterior material holding part 22 of the wall material fastener A attached to the wall base 2, the exterior material 4 is attached to the wall material fastener. A is held and supported. Here, the lower exterior material 4 and the exterior material holding part 22 of the wall material fastener A are covered with the lower end of the upper exterior material 4.

  Thereafter, another wall material fastener A is attached to the upper side of the heat insulating material 3 and the exterior material 4 supported by the wall material fastener A. This wall material fastener A can be attached by the same method as described above. And the predetermined number of wall material fastener A, the heat insulating material 3, and the exterior material 4 are attached in order.

  FIG. 5 shows the vicinity of the upper end of the heat insulating wall, and a wooden trunk edge 80 is attached to the wall base 2 by a fastener 7 on the upper side of the uppermost heat insulating material 3. In addition, an airtight tape 66 is attached across the heat insulating material 3 and the wooden trunk edge 80 in order to close the gap 68 between the upper surface of the uppermost heat insulating material 3 and the lower surface of the wooden trunk edge 80. A spacer 69 is provided between the uppermost exterior material 4 and the heat insulating material 3 and between the uppermost exterior material 4 and the wooden trunk edge 80, and the spacer 69 extends from the surface (outdoor surface) of the exterior material 4. The fastener 7 is screwed into the wooden trunk edge 80 so as to pass through the upper part of the exterior material 4. Further, a parting edge 71 is provided between the uppermost exterior material 4 and the eaves ceiling 70. In this manner, a heat insulating wall composed of the heat insulating material 3, the exterior material 4, and the wall material fastener A can be formed. Further, an air layer 81 corresponding to the thickness dimension of the air layer forming means 30 is formed between the exterior material 4 and the heat insulating material 3.

  In the wall material fastener A of the present invention, the rear surface of the upper locking portion 27 and the lower locking portion 28 (the surface on the side of the heat insulating material support piece 21, when the wall material fastener A is attached to the wall base 2. Projections 25 are provided on the surface facing the wall base 2 side. Further, at a position slightly below the protrusion 25 of the upper locking portion 27, the front surface of the fixing piece 20 (the surface on the side of the heat insulating material support piece 21, when the wall material fastener A is attached to the wall base 2. Further, a fulcrum portion 26 is formed on the surface facing the opposite side of the wall base 2. The fulcrum portion 26 is formed by a bent portion at a boundary portion between the bent portion 31 and the inclined portion 72.

As described above, when the lower end of the heat insulating material 3 is inserted between the upper locking portion 27 and the fixed piece 20, the lower portion of the heat insulating material 3 is pressed against the wall base 2 side by the protrusion 25 and the heat insulating material. 3 is inclined in the same direction as the inclination of the inclined part 72 with the fulcrum part 26 as a fulcrum. Therefore, when the heat insulating material 3 is supported by the wall material fastener A, the heat insulating material 3 is naturally inclined toward the wall base 2 and is put on the surface of the wall base 2. Therefore, until the new wall material fastener A is attached to the upper side of the heat insulating material 3, the heat insulating material 3 can be pressed and temporarily fixed to the wall base 2 side by the protrusion 25 without using an adhesive or an adhesive tape. The heat insulating material 3 and the exterior material 4 can be easily constructed .

An example of embodiment of this invention is shown, (a) is a side view, (b) is a front view. It is sectional drawing which shows a part of heat insulation wall using this invention. It is sectional drawing which shows a part of heat insulation wall using this invention. It is a front view which shows a part of heat insulation wall using this invention. It is sectional drawing which shows a part of heat insulation wall using this invention. (A) is a perspective view which shows the wall material fastener of a prior art example, (b) is sectional drawing which shows a part of heat insulation wall using the wall material fastener of a prior art example. It is a front view which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Wall base 3 Heat insulating material 4 Exterior material 20 Fixing piece 21 Heat insulating material support piece 22 Exterior material holding part 27 Upper locking part 28 Lower locking part 30 Air layer formation means A Wall material fastener

Claims (2)

A wall material fastener for attaching a heat insulating material and an exterior material to a wall base, a fixing piece for fixing to the wall base, a heat insulating support piece protruding from the surface of the fixing piece, and a heat insulating material support An upper locking portion protruding upward from the piece, a lower locking portion protruding downward from the heat insulating material support piece, and a lower locking portion below the heat insulating material support piece Ri formed and an outer package holding portion which is projected from the opposite side of the heat insulating material supporting one side, with projections on the rear surface of the upper engaging portion is provided, on the front surface of the fixing piece at a position lower than the projection Wall material fastener characterized in that a fulcrum part is formed .   The air layer forming means for forming an air layer between the heat insulating material supported by the heat insulating material support piece and the external material supported by the external material holding portion is provided. Wall material fasteners.

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