JP4763498B2 - Exterior wall exterior member mounting structure - Google Patents

Description

  The present invention relates to an outer wall exterior member mounting structure, a mounting bracket, and a mounting method for mounting exterior members such as a balcony, a terrace, a pergola, a screen, and a monument supported by a frame member of an outer wall having a waterproof layer.

  For example, in a wooden house building or the like, after finishing the outer wall, the exterior member may be attached to the frame member that constitutes the outer wall. As the exterior member, for example, a balcony, a terrace, a pergola, an outdoor staircase, a flower box, and the like are generally known as heavy objects, and a lattice, a screen, a monument, and the like are generally known as light objects.

When attaching a heavy exterior member to the outer wall, for example, fixing bolts for fixing exterior members such as through bolts and coach bolts to frame members such as columns and beams are installed in advance, and the fixing bolt itself is attached to the outer wall. A method of fixing the exterior member to the outer wall by causing the fixed hardware attached via the fixing bolts to protrude on the surface of the outer wall and projecting to the surface of the outer wall is supported by these fixing bolts or fixed hardware. (For example, refer to Patent Document 1). For example, when attaching a lightweight exterior member, a method of directly screwing a screw or the like from the surface of the outer wall toward the frame member or the outer wall base material to fix the exterior member is employed.
JP 2005-188095 A

  When attaching an exterior member to the surface of the outer wall as described above, fixing bolts, screws, and the like penetrate the waterproof layer formed by a waterproof sheet provided inside the outer wall. It will be damaged. Further, in such a through portion, water can easily enter through the surroundings of fixing bolts, screws, and the like, so that further water-stopping properties are required.

  On the other hand, the fixing hardware attached via the fixing bolt has been individually devised to ensure water-stopping according to its shape, etc. It does not impart water, and when it is necessary to attach and detach fixing bolts or fixtures for replacement of exterior members, it is necessary to perform time-consuming work to ensure water stopping each time. .

  In particular, the exterior member is exposed to wind and rain, and may be re-installed due to aging or damage, or to replace it with a new design, but during such re-installation, In each case, it is uneconomical to perform a troublesome water stop operation on the penetrating portion of the bolt member. Moreover, even if it is not necessary to attach exterior members to the outer wall at the beginning of building, depending on lifestyle changes or requests for renovation of buildings, for example, several years later, exterior members should be attached as retrofitting members. However, when the exterior member is retrofitted, for example, a large-scale work is required to newly provide waterproofing to the waterproof layer at the penetration portion of the fixing bolt. Furthermore, in preparation for attaching the exterior member as a retrofitting member, from the beginning of the construction of the building, attaching the fixing bolt and fixing hardware for fixing the exterior member in a state of protruding from the surface of the outer wall, In addition to damage, water permeation of rainwater and the like is likely to occur, and on the contrary, water stoppage is impaired.

  The present invention has been made paying attention to such a conventional problem, and without damaging the water stop function by the waterproof layer provided on the outer wall, the fixing bolt for attaching the exterior member is allowed to penetrate the waterproof layer. After finishing the outer wall by detachably tightening, it can be easily supported by the framework member and fixed to the exterior member, and the exterior member can be easily replaced or retrofitted. It is an object of the present invention to provide an outer wall exterior member mounting structure, a mounting bracket, and a mounting method that can be made.

  The present invention is an outer wall exterior member mounting structure for supporting an outer wall frame member having a waterproof layer and mounting an exterior member on the outside of the outer wall using the mounting bracket. And the fixing bolt includes a female screw hole that extends in the axial direction and opens at one end surface, an annular flange piece that projects outward from the outer peripheral surface of the one end portion, And an external thread formed on the outer peripheral surface of the one end face sandwiching the annular flange piece, penetrating the outer wall base material and the waterproof layer, and the annular bolt piece is the outer wall base It is embedded in the frame member of the outer wall until it is in close contact with the material or the waterproof layer, and the holding nut is fastened and fixed to the male screw portion of the tip bolt while holding the waterproof mat between the annular flange pieces. Before The above-mentioned object is achieved by providing an outer wall exterior member mounting structure for fastening the exterior bolt to the outer wall by fastening the fixing bolt to the female screw hole of the front bolt when mounting the exterior member. is there.

  And according to the mounting structure of the outer wall exterior member of this invention, it is preferable to embed the said front volt | bolt in the said frame member by screwing the said front volt | bolt in the embedding hole formed in the said frame member.

  According to the mounting structure of the outer wall exterior member of the present invention, a waterproof packing is further sandwiched on the annular flange piece side and / or the sandwiching nut side of the waterproof mat, and the sandwiching nut is attached to the male thread portion of the tip bolt. It is preferable to fasten and fix.

  According to the mounting structure of the outer wall exterior member of the present invention, an outer wall finishing material is provided so as to cover the outer wall base material, and the sandwiching nut has an outer end surface substantially matching the finishing surface of the outer wall finishing material. It is preferably fastened and fixed to the male thread portion of the tip bolt.

  According to the outer wall exterior member mounting structure of the present invention, an outer wall finishing material is provided so as to cover the outer wall base material, and the pinching nut has the front end so that an outer end surface thereof coincides with a back surface of the outer wall finishing material. It is preferable that the outer wall finishing material is fastened and fixed to a male screw portion of a bolt, and the outer wall finishing material is attached to the outer wall base material around the pinching nut with an auxiliary trunk edge interposed.

  Further, the present invention is a mounting bracket used in the mounting structure of the outer wall exterior member, including a front bolt, a pinching nut, and a fixing bolt, and the front bolt extends in the axial direction. A female screw hole that opens to the end surface, an annular flange piece that projects outward from the outer peripheral surface of the one end portion, and a male screw portion that is formed on the outer peripheral surface on the one end surface side across the annular flange piece, The sandwiching nut is screwed into the male threaded portion of the tip bolt, and the fixing bolt is provided with a mounting bracket for an outer wall exterior member that is screwed into the female screw hole of the tip bolt. It is.

  And according to the mounting bracket of the outer wall exterior member of the present invention, the tip bolt has a shape that tapers from the protruding position of the annular flange piece of the one end portion toward the other end portion side. preferable.

  According to the outer wall exterior member mounting bracket of the present invention, the fastening bolt engages a fastening jig on the one end face side of the annular collar piece when the fastening bolt is screwed into the frame member. It is preferable that an engaging head to be provided is provided.

  According to the mounting member for the outer wall exterior member of the present invention, it is preferable that a nail hole for driving a nail or a screw is provided in the annular flange piece.

  Furthermore, the present invention is a method for mounting an outer wall exterior member using the mounting bracket described above, wherein a front bolt is driven into or screwed into an embedded hole formed in a frame member of the outer wall having a waterproof layer. Passing through the base material and the waterproof layer, the pre-attached bolt is embedded in the frame member of the outer wall until the annular brim piece comes into close contact with the outer wall base material or the waterproof layer, and the waterproof mat between the annular brim piece The clamping nut is fastened and fixed to the male thread portion of the pre-attached bolt, and an outer wall finishing material is provided to cover the outer wall base material, and the fixing bolt is attached when the exterior member is attached to the outer wall. The object is achieved by providing a method of attaching an outer wall exterior member that is fastened to a female screw hole of the tip bolt and that fixes the exterior member to the outer wall.

  According to the mounting structure, mounting bracket, or mounting method of the outer wall exterior member of the present invention, the fixing bolt for mounting the exterior member is allowed to penetrate the waterproof layer without impairing the water stop function by the waterproof layer provided on the outer wall. After finishing the outer wall by detachably tightening, it can be easily supported by the framework member and fixed to the exterior member, and the exterior member can be easily replaced or retrofitted. Can be.

  An outer wall exterior member mounting structure 10 according to a preferred embodiment of the present invention is a skeleton member 12 constituting the outer wall 11 after finishing the outer wall 11 of a wooden house building, for example, as shown in FIGS. This is employed when, for example, a heavy weight pergola is attached as the exterior member 13 by being supported by a certain column or beam. Here, the pergola 13 is configured such that the base end portion of the beam portion 13a is supported and fixed to the outer wall 11 via the beam receiver 14 (see FIG. 3), and the beam receiver 14 is attached to the outer wall 11. By passing through the outer wall finishing material 16 and the outer wall base material 17 and screwing the fixing bolt 15 into the frame member 12 with a predetermined fastening length, the outer wall finishing material 16 and the outer wall base material 17 are firmly fixed to the outer wall 11.

  On the other hand, the outer wall 11 is generally provided with a waterproof layer 18 made of a waterproof sheet or the like so as to cover the surface and / or the back surface of the outer wall base material 17 so as to obtain a strong waterproof function. When the bolt 15 is screwed toward the frame member 12, the fixing bolt 15 penetrates the waterproof layer 18, and the water stop function may be impaired at the penetration portion. In the present embodiment, since the outer wall exterior member mounting structure 10 to be described later is employed, the exterior member 13 is attached while firmly retaining the water stop function at the penetration portion of the waterproof layer 18 provided on the outer wall 11. The fixing bolt 15 can be detachably fastened so that the work of fixing the exterior member 13 to the outer wall 11 while supporting the exterior member 13 on the frame member 12 can be easily performed.

  The outer wall exterior member mounting structure 10 of the present embodiment is supported by the frame member 12 of the outer wall 11 having the waterproof layer 18, and the mounting structure for mounting the pergola 13 on the outer side of the outer wall 11 using the mounting bracket 20. As shown in FIGS. 3 and 4, the mounting bracket 20 includes a tip bolt 19, a pinching nut 21, and a fixing bolt 15, and the tip bolt 19 is also shown in FIG. 5. A female screw hole 22 extending in the axial direction X and opening to the one end surface 19a, an annular flange piece 23 projecting outward from the outer circumferential surface of the one end portion 19b, and an outer circumferential surface on the one end surface 19a side sandwiching the annular flange piece 23 And the outer wall base material 17 and the waterproof layer 18 are penetrated, and the attaching bolt 19 is closely attached to the waterproof layer 18 in which the annular flange piece 23 is laid on the surface of the outer wall base material 17. Until the outer wall 1 is embedded in one frame member 12 and a waterproof mat 25 is sandwiched between the annular brim piece 23 and the nut 21 is fastened and fixed to the male threaded portion 24 of the tip bolt 19 when the pergola 13 is attached. The fixing bolt 15 is fastened to the female screw hole 22 of the tip bolt 19 to fix the pergola 13 to the outer wall 11.

  In this embodiment, the outer wall 11 having the waterproof layer 18 is, for example, the outer wall 11 of a wooden house building, and is disclosed, for example, in Japanese Patent Application Laid-Open No. 2000-160732 on the outside of the frame member 12 constituted by columns and beams. The front side base plate and the back side base plate to be joined and integrated, each of these front side base plate and back side base plate is a large number in the direction of inclining the belt-like narrow plate with a predetermined gap. The strip-shaped narrow plate constituting the front-side base plate and the strip-shaped narrow plate constituting the back-side base plate are inclined in opposite directions so as to cross each other, and arranged at the intersection. A so-called cross panel (trade name, manufactured by Sumitomo Forestry Co., Ltd.) base formed by joining the front side base plate and the back side base plate is attached as an outer wall base material 17.

  Further, a waterproof layer 18 made of a waterproof sheet is provided so as to cover the outer side of the outer wall base material 17, and a windproof sheet 27 is attached so as to cover the inner side of the outer wall base material 17. In the present embodiment, an interior base material 28 is attached to the inside of the framework member 12, and an interior finish material is further applied to the inside of the interior base material 28, and the outer wall base material 17 and the interior base material are provided. In the space between the material 28, for example, a heat insulating material or the like is appropriately filled and accommodated.

  In the present embodiment, the skeleton member 12 is provided with an embedding hole 29 for embedding the front bolt 19 of the mounting bracket 20 so as to correspond to the attachment position of the base end portion of the beam portion 13 a of the pergola 13. Before or after the assembly, an opening is formed, and the leading bolt 19 is fixed to the frame member 12 by screwing into the embedded holes 29.

  The front bolt 19 constituting the mounting bracket 20 is a bolt member preferably made of stainless steel having an outer diameter of, for example, about 14 to 30 mm, in which a grooved screw 30 is formed in a spiral shape on the outer peripheral surface. It has a length of about 65 to 130 mm. Further, the front bolt 19 extends in the axial direction and opens to the one end surface 19a. The female screw hole 22 having a screw diameter of, for example, about M8, M10, or M12, and an outer diameter projecting outward from the outer peripheral surface of the one end portion 19b. Is provided with an annular flange piece 23 of, for example, about 36 to 70 mm, and a male screw portion 24 having a screw diameter of, for example, about M24, formed on the outer peripheral surface on the one end face 19a side with the annular flange piece 23 interposed therebetween. Furthermore, the length of the neck lower portion 19d on the other end portion 19c side of the annular brim piece 23, which is an embedded portion of the front bolt 19, is about 50 to 100 mm, for example. The groove cutting screw 30 of the part except both ends is formed.

  Here, by providing a clearance portion in which the grooved screw 30 is not formed at the end portion of the neck lower portion 19d on the annular flange piece 23 side, there is a gap between the frame member 12 and the outer wall base material 17. In such a case, it is possible to prevent the gaps from being left unfilled or widened by screwing the front-end bolts 19 so that the gaps are not filled. That is, when the grooved screw 30 is formed up to the annular flange piece 23 without providing a clearance portion, after the annular flange piece 23 comes into contact with the outer wall base material 17, the tip bolt 19 does not rotate any more. Although it becomes difficult to fill the gap between the frame member 12 and the outer wall base material 17, it is possible to eliminate such problems by providing a clearance portion at the end on the annular flange piece 23 side. Become. On the other hand, the front bolt 19 is inserted into the embedding hole 29 from the other end portion 19c side by providing a clearance portion in which the grooved screw 30 is not formed at the end portion of the lower neck portion 19d on the other end portion 19c side. It becomes easy to do.

  Furthermore, in the present embodiment, the neck portion 19d of the front bolt 19 has an outer diameter at the joint portion with the annular flange piece 23 that is, for example, 0.6 to 0.6 than the outer diameter of the tip on the other end 19c side. The tip bolt 19 has a shape that is tapered from the protruding position of the annular flange piece 23 of the one end portion 19b toward the other end portion 19c. Since the neck lower portion 19d of the tip bolt 19 has a tapered shape, the tip portion (the other end portion 19c) of the tip bolt 19 can be easily inserted into the embedding hole 29, and the mounting position accuracy and easy construction are facilitated. It becomes possible to ensure the sex. The embedded hole 29 is formed so that its inner diameter is larger than the outer diameter of the lower neck portion 19d and smaller than the peripheral diameter of the outer front end portion of the grooved screw 30. It is possible to effectively suppress the tilting of the tip bolt 19 when the tip bolt 19 is screwed into the bolt 29, and the supporting force necessary to fix the pergola 13 by the frictional force at the time of screwing and the shear strength of the tip bolt 19 is efficient. It becomes possible to get well.

  On the other hand, in the present embodiment, the male screw portion 24 as described above is formed on the outer peripheral surface of the portion adjacent to the annular flange piece 23 on the one end surface 19a side of the tip bolt 19 with the annular flange piece 23 interposed therebetween, An engaging head 31 for engaging a fastening jig such as a torque wrench when the front bolt 19 is screwed into the frame member 12 is provided on the one end face 19a side of the male screw portion 24. The engaging head 31 is composed of, for example, a hexagonal nut having an outer diameter of about 15 to 36 mm, which is continuously joined to the male screw portion 24, and the inner female screw constitutes the distal end portion of the female screw hole 22, and the outer end face thereof. The female screw hole 22 is opened as an end surface 19 a of the tip bolt 19.

  In the present embodiment, the annular brim piece 23 is an annular plate having a thickness of about 2.3 to 4.5 mm, for example, integrally joined to the outer peripheral surface of the one end portion 19b of the tip bolt 19 and extending outward. This annular brim piece 23 is provided with a nail hole 32 for driving a nail or screw 33. After the front bolt 19 is screwed into the frame member 12 until the annular brim piece 23 comes into close contact with the waterproof layer 18, for example, a screw 33 is driven through the nail hole 32, whereby the fixing bolt 15 is fastened to the front bolt 19. Thus, when attaching the pergola 13, the joint bolt 19 can be prevented from rotating together, and the screw 33 is screwed into the outer wall base material 17 or the frame member 12, whereby the shear strength and pull-out resistance of the joint bolt 19 are reduced. It becomes possible to strengthen the power. The nail holes 32 are preferably formed in a shape that prevents these heads from protruding from the surface of the annular flange 23 when nails or screws 33 are driven.

  In the present embodiment, the pinching nut 21 that is screwed into the male screw portion 24 of the tip bolt 19 that constitutes the mounting bracket 20 is a generally used nut member, preferably made of stainless steel, of about M24, for example. The fixing bolt 15 that can be screwed into the female screw hole 22 of the front mounting bolt 19 and that constitutes the mounting bracket 20 is, for example, a generally used stainless steel screw bolt that is generally used, such as M8, M10, or M12. Can do.

  In the outer wall exterior member mounting structure 10 of the present embodiment, the outer wall base material 17 is attached to the outside of the frame member 12 together with the waterproof layer 18 and the windproof sheet 27 made of a waterproof sheet, and embedded holes 29 formed in the frame member 12. After the insertion hole 34 (see FIG. 5) is formed at the corresponding position, the tip end portion (the other end portion 19d) of the leading bolt 19 is inserted, and the leading bolt 19 is connected to the outer wall base material 17, the waterproof layer 18, and the windproof sheet. 27, the annular brim piece 23 is screwed into the frame member 12 of the outer wall 11 until the annular brim piece 23 comes into close contact with the waterproof layer 18. Such a screwing operation can be easily performed by engaging a fastening jig with the engaging head 31 of the front bolt 19 and grooving the inner peripheral surface of the female screw hole 22 with the grooving screw 30. As a result, the front bolt 19 has the substantially entire length of the lower neck portion 19d embedded in the frame member 12, and is firmly fixed with a predetermined fastening length. Further, by bringing the annular brim piece 23 into close contact with the waterproof layer 18, it is possible not only to make the fastening length constant, but also to effectively support the moment force due to the vertical load from the exterior member 13.

  In the present embodiment, the above-described cross panel is used as the outer wall base material 17, and the surface of the outer wall base material 17 is an uneven surface due to the gap portion of the belt-shaped narrow plate. When the mounting position overlaps with the recess, the annular brim piece 23 is formed by placing a buried tree made of, for example, an end material of the strip-shaped narrow plate in the gap portion of the strip-shaped narrow plate and making the flat state by filling the recess. Can be adhered to the waterproof layer 18 in a stable state.

  When the front bolt 19 is fixed to the frame member 12 with a predetermined fastening length and, for example, a screw 33 is driven through the nail hole 32, the waterproof mat 25 is provided between the annular brim piece 23 that is in close contact with the waterproof layer 18. While being sandwiched, the sandwiching nut 21 is fastened and fixed to the male screw portion 24 of the tip bolt 19 by, for example, manual tightening. The waterproof mat 25 is a waterproof adhesive pad made of a composite material formed by applying a butyl adhesive to one surface of a prevention sheet made of polypropylene or the like, for example, and the surface to which the adhesive is applied is an annular brim piece 23. It arrange | positions in the side and is inserted | pinched between the annular collar piece 23 and the pinching nut 21. FIG. The waterproof mat 25 covers and adheres to the annular brim piece 23 and the waterproof layer 18 around the annular brim piece 23 and is firmly adhered to the annular brim piece 23 by the pressing force of the clamping nut 21 to be fastened. Intrusion into water through the through hole of the waterproof layer 18 by the screw 33 or the like that is driven in is surely blocked.

  In this embodiment, when tightening and fixing by hand tightening is considered, a general tool is used as the pinching nut 21 rather than a hexagon nut that is convenient for engaging a tightening jig such as a torque wrench. It is preferable to use a nut member having a shape that makes it difficult to engage with each other and facilitates manual tightening. The nut member having such a shape includes a nut member having a circular cross-section with anti-slip irregularities formed on the outer peripheral surface, a nut member having a substantially elliptical cross section or a substantially oval cross-section, and a nut member having a deformed polygon cross section. Can be used.

  Further, in this embodiment, the waterproof packings 26 a and 26 b are further sandwiched between the annular brim piece 23 side and the sandwiching nut 21 side of the waterproof mat 25, and the sandwiching nut 21 is fastened to the male screw portion 24 of the tip bolt 19. It is designed to be fixed. The inner waterproof packing 26a sandwiched on the annular flange piece 23 side is made of, for example, a soft vinyl chloride foam material, and the outer waterproof packing 26b sandwiched on the sandwiching nut 21 side is, for example, made of a hard polyethylene foam material. That is, the outer waterproof packing 26b is formed to be hard so as not to lose its rotation when the sandwiching nut 21 is tightened, and the inner waterproof packing 26a is easily crushed by the tightening of the sandwiching nut 21 and the waterproof mat 25. In other words, it is formed to be soft so as to be familiar with the annular brim piece 23. When the inner waterproof packing 26 a is crushed and tightly adhered to the waterproof mat 25 and the annular flange piece 23, it is possible to effectively prevent water from entering the periphery of the waterproof mat 25 from the male screw portion 24.

  Here, the waterproof mat 25 peels only the portion around the central insertion hole 25b (see FIG. 4) of the release paper 35 attached to cover the adhesive-coated surface 25a (see FIG. 4), and the inner waterproof packing 26a. It is preferable that the outer waterproof packing 26b is overlapped and mounted on the outer side of this, and the pinch nut 21 is manually tightened, and then the remaining release paper 35 is peeled off and removed. If the release sheet 35 on the entire surface is peeled off and the waterproof mat 25 is attached and the nut 21 is tightened, the sheet of the waterproof mat 25 may be crushed and wrinkled. By doing so, the waterproof mat 25 is wrinkled. Can effectively be avoided. Further, by manually tightening the pinching nut 21, it is possible to effectively avoid the risk of water leakage due to overtightening, and the waterproof packings 26a and 26b are not cut and the waterproof mat 25 is not kinked. The clamping nut 21 can be tightened while checking.

  After the clamping nut 21 is manually tightened and the waterproof mat 25 is attached so as to cover the annular brim piece 23 and the waterproof layer 18 around it, the outer wall finishing material 16 is applied to the outside of the outer wall base material 17 and the waterproof layer 18. . In the present embodiment, the outer wall finishing material 16 is made of, for example, sprayed or applied mortar, and is provided so as to cover the outer wall base material 17 so that the finished surface substantially matches the outer end surface of the sandwiching nut 21. It is preferable. That is, it is preferable that the pinching nut 21 is fastened and fixed to the male screw portion 24 of the front bolt 19 so that the outer end surface thereof substantially coincides with the finished surface of the outer wall finishing material 16.

  By matching or substantially matching the outer end surface of the pinching nut 21 with the finishing surface of the outer wall finishing material 16, the front bolt 19 and the pinching nut 21 of the mounting bracket 20 are attached to the outer wall before the pergola as the exterior member 13 is mounted. Therefore, it is possible to avoid the appearance of the outer wall 11 from being spoiled. When the pinching nut 21 is manually tightened and fastened and fixed to the male threaded portion 24 of the front bolt 19, the female screw hole 22 opened on the one end surface 19 a by the engaging head 31 of the front bolt 19 is formed, for example, with a cap or lid. It is preferable to apply the outer wall finishing material 16 using mortar after the screw is attached and closed. Further, by using a pinch nut 21 having a desired height, the thickness of the outer wall finishing material 16 made of mortar can be appropriately adjusted. Further, the pinching nut 21 is higher in height than the height obtained by adding the male screw portion 24 and the engagement head 31 provided on the one end surface 19a side of the annular flange piece 23 of the tip bolt 19. It is preferable to use it.

  In the present embodiment, when the pergola 13 as an exterior member is attached to the outer wall 11, the beam receiver 14 to which the proximal end portion of the beam part 13 a of the pergola 13 is connected and joined is fixed to the outer wall 11. That is, as shown in FIG. 3, the beam receiver 14 is provided with the fixing bolt 15 in the female screw hole 22 of the tip bolt 19 supported and fixed to the frame member 12, for example, with the buffer mat 36 interposed between the beam receiver 14 and the outer wall 11. By screwing and fastening, it is firmly attached to the surface of the outer wall 11. Further, by joining the base end portion of the beam portion 13a of the pergola 13 to the beam receiver 14, the pergola 13 is supported and fixed to the outer wall 11 in a stable state (see FIG. 1).

  And according to this embodiment, without damaging the water stop function by the waterproof layer 18 provided in the outer wall 11, the fixing bolt 15 for attaching the pergola 13 is detachably fastened while penetrating the waterproof layer 18. Thus, after finishing the outer wall 11, the work of fixing the exterior member such as the pergola 13 by being supported by the frame member 12 can be easily performed, and the exterior member such as the pergola 13 can be easily replaced or retrofitted. Can do.

  That is, according to the present embodiment, the mounting bracket 20 including the tip bolt 19, the pinching nut 21, and the fixing bolt 15 is used. The tip bolt 19 has an internal thread hole 22 that opens to the one end surface 19a and an annular shape. A flange piece 23 and a male screw portion 24 formed on one end surface 19a side of the annular flange piece 23 are provided. The outer wall base material 17 and the waterproof layer 18 are penetrated, and the tip bolt 19 is attached to the outer wall 11. The frame member 12 is embedded with a sufficient fastening length to ensure a supporting force, and the sandwiching nut 21 is fastened and fixed to the male screw portion 22 while the waterproof mat 25 is sandwiched between the annular flange piece 23 and the frame member 12. Thus, a strong waterstop is secured around the front bolt 19 penetrating the waterproof layer 18. Therefore, according to the present embodiment, when attaching an exterior member such as the pergola 13, the female screw hole 22 of the front bolt 19 has no influence on the strong water stop structure formed around the front bolt 19. The fixing bolt 15 is screwed and detachably fastened while penetrating the waterproof layer 18, so that the piercing member 13 is supported by the frame member 12 without requiring water-stopping work of the penetration portion of the fixing bolt 15. The work of fixing the exterior member can be easily performed, and the exterior member such as the pergola 13 can be easily replaced or retrofitted.

  Further, since the front bolt 19 can be provided without penetrating the frame member 12 such as a column or a beam, it is prevented from becoming a thermal bridge, and sufficient structural support is ensured and stable structural strength is maintained. In addition, it is possible to easily ensure stable water stopping performance around the mounting bracket 20 and effectively suppress deterioration of the housing including the outer wall 11. Furthermore, it is possible to suppress the influence on the outer wall finishing material 16 at the time of attaching / detaching the exterior member 13, to facilitate replacement and attachment / detachment of the exterior member 13, and to extend the life of the exterior member 13. The finish of the outer wall can be completed without affecting the aesthetics even in a state in which the outer member 13 is not attached, and even when the exterior member 13 is retrofitted due to changes in the lifestyle, it is easy to use the pre-installed front bolt 19 It becomes possible to cope with. Furthermore, it becomes possible to unify the standard of the mounting bracket 20 so as to have versatility applicable to various members.

  6 and 7 show an example in which the outer wall exterior member mounting structure 10 of the present embodiment is applied to an outer wall 11 ′ having another structure. That is, according to FIGS. 6 and 7, a commonly used load bearing surface material such as plywood is used as the outer wall base material 17 ', and a siding plate is used as the outer wall finishing material 16'. Further, the pinching nut 21 is fastened and fixed to the male screw portion 24 of the front bolt 19 so that the outer end surface thereof coincides with the back surface of the outer wall finishing material 16 ′ made of a siding plate. Further, the outer wall finishing material 16 ′ is attached between the outer wall base material 17 ′ around the pinching nut 21 with an auxiliary trunk edge 37 formed in a rectangular frame shape, for example.

  When the present embodiment is applied to the outer wall 11 ′ having the structure shown in FIGS. 6 and 7, the same operational effects as described above can be obtained. Further, in the outer wall 11 ′ having the structure shown in FIGS. 6 and 7, when the pergola 13 as the exterior member is attached, a bolt hole 38 is formed at the attachment position of the front bolt 19 in the outer wall finishing material 16 ′, and then fixed. The bolt 15 is fastened to the female screw hole 22 of the tip bolt 19 to fix the beam receiver 14 of the pergola 13. Further, in the outer wall 11 ′ having the structure shown in FIGS. 6 and 7, a gap 39 having a considerable width is held between the outer wall base material 17 ′ and the outer wall finishing material 16 ′ by the siding plate. When the fixing bolt 15 is fastened to the tipping bolt 19 disposed on the siding plate, the siding plate is cracked and easily damaged, but the outer wall base material 17 ′ around the pinching nut 21 Since the auxiliary drum edge 37 is interposed between the two, the pressure at the time of fastening is also supported by the auxiliary drum edge 37, and it is possible to effectively avoid damage to the siding plate. Become.

  The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the front bolt can be embedded in the frame member by a screwing method in addition to a method of screwing into an embedding hole formed in the frame member, and the lower neck portion can be embedded by other methods. Further, it is not always necessary to sandwich the waterproof packing between the annular brim piece or the sandwiching nut and the waterproof mat, and the tip bolt does not necessarily have a shape tapered toward the tip. Furthermore, the present invention can be applied to other heavy exterior members such as balconies, terraces, outdoor stairs, flower boxes, and the like other than the pergola, and can be applied to the outer wall. It can also be employed when attaching a screen, monument, etc. to the outer wall as an exterior member.

1 is a schematic perspective view illustrating a pergola as an exterior member to which an outer wall exterior member mounting structure according to a preferred embodiment of the present invention is applied. It is sectional drawing explaining the state which attaches a pergola to an outer wall using the attachment structure of the outer wall exterior member which concerns on preferable one Embodiment of this invention. It is the A section enlarged view of FIG. 2 explaining the state which fixes the beam receiver of a pergola using the mounting structure of the outer wall exterior member which concerns on preferable one Embodiment of this invention. It is the exploded top view which looked at Drawing 3 from the upper part explaining the composition of the attachment structure of the outer wall exterior member concerning one desirable embodiment of the present invention. It is a disassembled perspective view explaining the state which makes a framework member support and attaches a front volt | bolt and a pinching nut. It is principal part sectional drawing explaining the state which applied the attachment structure of the outer wall exterior member which concerns on preferable one Embodiment of this invention to the outer wall of another structure. It is the exploded top view which looked at the state where the attachment structure of the outer wall exterior member concerning one desirable embodiment of the present invention was applied to the outer wall of other structures, and was seen from the upper part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Mounting structure of outer wall exterior member 11 Outer wall 12 Frame member 13 Exterior member (pergola)
14 Beam receiver 15 Fixing bolt 16, 16 'Outer wall finishing material 17, 17' Outer wall base material 18 Waterproof layer (waterproof sheet)
19 End bolt 19a End face 19b of end bolt 19c End end 19c of end bolt 19d End end 19d of end bolt 20 Mounting bracket 21 Nut nut 22 Internal thread hole 23 Annular flange piece 24 End thread 25 Waterproof mat 26a Inner waterproof packing 26b Outer waterproof packing 27 Windproof sheet 29 Embedded hole 30 Groove screw 31 Engagement head 32 Nail hole 33 Nail or screw 37 Auxiliary trunk edge X Axial direction of tip bolt

Claims (10)

An outer wall exterior member mounting structure for supporting an outer wall frame member having a waterproof layer and attaching an exterior member to the outside of the outer wall using a mounting bracket,
The mounting bracket includes a tip bolt, a pinch nut, and a fixing bolt,
The tip bolt includes a female screw hole that extends in the axial direction and opens at one end surface, an annular flange piece that protrudes outward from the outer peripheral surface of the one end portion, and an outer peripheral surface on the one end surface side that sandwiches the annular flange piece And a male screw part formed on
The outer wall base material and the waterproof layer are penetrated, and the front bolt is embedded in the frame member of the outer wall until the annular collar piece is in close contact with the outer wall foundation material or the waterproof layer, and between the annular collar piece. While holding the waterproof mat, the clamping nut is fastened and fixed to the male thread portion of the tip bolt,
A mounting structure of an outer wall exterior member that fixes the exterior member to the outer wall by fastening the fixing bolt to the female screw hole of the tip bolt when attaching the exterior member.   The mounting structure of the outer wall exterior member according to claim 1, wherein the front bolt is embedded in the frame member by screwing the front bolt into an embedded hole formed in the frame member.   3. The outer wall according to claim 1, wherein a waterproof packing is further sandwiched between the one side of the annular mat and / or the side of the sandwiching nut of the waterproof mat, and the sandwiching nut is fastened and fixed to the male thread portion of the tip bolt. Mounting structure for exterior members.   An outer wall finishing material is provided so as to cover the outer wall base material, and the pinching nut is fastened and fixed to a male screw portion of the front bolt so that an outer end surface thereof substantially coincides with a finishing surface of the outer wall finishing material. The mounting structure of the outer wall exterior member in any one of 1-3.   An outer wall finishing material is provided so as to cover the outer wall base material, and the pinching nut is fastened and fixed to a male screw portion of the tip bolt so that an outer end surface thereof coincides with a back surface of the outer wall finishing material. The attachment structure of the outer wall exterior member according to any one of claims 1 to 3, wherein the outer wall exterior member is attached to the outer wall base material around the sandwiching nut with an auxiliary trunk edge interposed therebetween. A mounting bracket used in the outer wall exterior member mounting structure according to any one of claims 1 to 5,
Including a tip bolt, a pinch nut, and a fixing bolt,
The tip bolt includes a female screw hole that extends in the axial direction and opens at one end surface, an annular flange piece that protrudes outward from the outer peripheral surface of the one end portion, and an outer peripheral surface on the one end surface side that sandwiches the annular flange piece And a male screw part formed on
The mounting nut of the outer wall exterior member in which the pinching nut is screwed into the male screw portion of the tip bolt, and the fixing bolt is screwed into the female screw hole of the tip bolt.   The mounting bracket of the outer wall exterior member according to claim 6, wherein the tip bolt has a shape that tapers from the protruding position of the annular flange piece at the one end portion toward the other end portion side.   7. The engagement head for engaging the fastening jig when the advance bolt is screwed into the frame member is provided on the one end face side of the annular flange piece. Or the mounting bracket of the outer wall exterior member of 7.   The mounting bracket for an outer wall exterior member according to any one of claims 6 to 8, wherein a nail hole for driving a nail or a screw is provided in the annular flange piece. A method for mounting an outer wall exterior member using the mounting bracket according to any one of claims 6 to 9,
A front bolt is driven into or screwed into an embedding hole formed in the frame member of the outer wall having a waterproof layer, thereby penetrating the outer wall base material and the waterproof layer so that the front bolt is connected to the annular flange piece. Embed in the frame member of the outer wall until it adheres to the base material or the waterproof layer,
While holding the waterproof mat between the annular brim pieces and fixing the clamping nut to the male thread portion of the front bolt, the outer wall base material is covered and an outer wall finishing material is provided,
A method of attaching an outer wall exterior member, wherein when the exterior member is attached to an outer wall, a fixing bolt is fastened to a female screw hole of the tip bolt, and the exterior member is secured to the outer wall.

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