JP2008032133A - Screw, screw for mounting building members, and mounting structure of building member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screw capable of dispensing with drilling of a prepared hole in advance to save time and labor for construction work and being easily screwed in. <P>SOLUTION: This screw has a shaft part 2 having a screw part 1 and a drill part 3 provided at a tip of the shaft part 2, and the screw part 1 is formed in only a part of the shaft part 2. This screw can be screwed in while drilling a hole by the drill part 3 provided at the tip of the shaft part 2. By forming the screw part 1 in only a part of the shaft part 2, friction caused by the screw part 1 when screwing in can be reduced when compared with a case where the screw part 1 is formed over the whole length of the shaft part 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a screw for mounting a member, a building member mounting screw for mounting a building member, and a mounting structure for a building member, and can be particularly suitably used for wall renovation. .

Conventionally, a screw has been used to attach an accessory to the surface of an outer wall material or attach an outer wall material to a building frame (see, for example, Patent Documents 1 and 2). In the conventional screw, a pilot hole (through hole) for screwing the screw must be formed in advance before screwing it into the outer wall material, accessory or frame, and the outer wall material and accessory There is a problem in that the position of the lower hole of the frame body must be aligned and it takes time and effort. In addition, since the threaded portion (male thread) is formed over the entire length of the screw, there is a problem that friction with the outer wall material, the accessory, and the frame is increased until the entire screw is screwed, and the screwing is difficult.
JP 2003-306978 A JP 2004-162506 A

  The present invention has been made in view of the above points, and it is not necessary to provide a pilot hole in advance, so that the labor of construction can be reduced, and a screw that is easy to be screwed in and a building member mounting screw and the same are used. An object of the present invention is to provide a mounting structure for building members.

  The screw according to claim 1 of the present invention has a shaft portion 2 having a screw portion 1 and a drill portion 3 provided at the tip of the shaft portion 2, and the screw portion 1 is formed only on a part of the shaft portion 2. It is characterized by comprising.

  The building member mounting screw A according to claim 2 of the present invention penetrates through the panel 5 disposed on the surface of the metal frame 4 and the building member 6 disposed on the surface of the panel 5 to pass the building member 6. A building member mounting screw A for fixing to a metal frame 4, which includes a shaft portion 2 having a screw portion 1 and a drill portion 3 provided at the tip of the shaft portion 2, and the screw portion 1 is a panel 5. The screw part 1 is formed only in a part of the shaft part 2 so as to be screwed only into the metal frame 4.

  In addition to claim 2, the building member mounting screw A according to claim 3 of the present invention is a building member mounting screw for fixing the building member 6 to the surface of the panel 5 arranged on the surface of the metal frame 4. A, wherein the length from the screw portion 1 to the head portion 20 is set according to the thickness dimension of the panel 1 and the building member 6.

  In addition to claim 2 or 3, the building member mounting screw A according to claim 4 of the present invention is screwed so that the screw part 1 is introduced into the panel 5 after the drill part 3 has penetrated the metal frame 4. The length from the part 1 to the tip of the drill part 3 is set.

  In addition to claims 2 to 4, the building member mounting screw A according to claim 5 of the present invention is provided with a metal reinforcing material 23 inside the panel 5, and after the drill portion 3 penetrates the metal frame 4. The length from the screw part 1 to the tip of the drill part 3 is set so that the screw part 1 is introduced into the reinforcing member 23.

  The building member mounting screw A according to claim 6 of the present invention is the reamer piece for forming a hole larger than the diameter of the screw portion 1 in the building member 6 in addition to any one of claims 2 to 5. 7 is formed by projecting from the drill portion 3.

  In the mounting structure for building members according to claim 7 of the present invention, the panel 5 is disposed on the surface of the metal frame 4 and the building member 6 is disposed on the surface of the panel 5. The building member mounting screw A is screwed with a building member mounting screw A so as to pass through the panel 5 to fix the building member 6 to the metal frame 4, and the building member mounting screw A has a screw portion 1. The shaft portion 2 has a drill portion 3 provided at the tip of the shaft portion 2, the screw portion 1 is formed only on a part of the shaft portion 2, and the screw portion 1 is screwed only on the panel 5 and the metal frame 4. It is characterized by comprising.

  In addition to claim 7, the mounting structure for a building member according to claim 8 of the present invention uses a panel 5 provided with a metal reinforcing member 23 inside, and is screwed after the drill portion 3 has penetrated the metal frame 4. It is characterized by using a building member mounting screw A in which the length from the screw portion 1 to the tip of the drill portion 3 is set so that the portion 1 is introduced into the reinforcing member 23.

  The screw according to claim 1 of the present invention can be screwed in while drilling with the drill portion 3 provided at the tip of the shaft portion 2, so that it is not necessary to provide a pilot hole in advance and the labor required for construction can be reduced. Is. In addition, by forming the screw portion 1 only on a part of the shaft portion 2, the friction caused by the screw portion 1 when screwing is reduced compared to the case where the screw portion 1 is formed over the entire length of the shaft portion 2. Can be easily screwed in.

  In the building member mounting screw A according to claim 2 of the present invention, the building member 6, the panel 5, and the metal frame 4 can be screwed into the building member 6, the panel 5, and the metal frame 4 with a drill portion 3 provided at the tip of the shaft portion 2. There is no need to provide holes in the building member 6, the panel 5, and the metal frame 4, and the labor required for construction can be reduced. Moreover, by forming the screw part 1 only on a part of the shaft part 2, the building member 6 and the panel 5 and the metal when screwed are formed compared to the case where the screw part 1 is formed over the entire length of the shaft part 2. The friction of the screw part 1 with respect to the frame 4 can be reduced, and it becomes easy to screw.

  In the building member mounting screw A according to claim 3 of the present invention, it is not necessary to continue screwing more than necessary after being screwed into the metal frame 4.

  In the building member mounting screw A according to claim 4 of the present invention, the screw portion 1 can be prevented from screwing into the panel 5 until the drill portion 3 drills into the metal frame 4. When the frame 4 is drilled, the friction between the screw portion 1 and the panel 5 is eliminated and the drilling is facilitated.

  In the building member mounting screw A according to claim 5 of the present invention, the screw portion 1 can be prevented from screwing into the reinforcing member 23 of the panel 5 before the drill portion 3 drills the metal frame 4. When the metal frame 4 is drilled by the portion 3, the friction between the screw portion 1 and the reinforcing member 23 is eliminated and the drilling is facilitated.

  In the building member mounting screw A according to claim 6 of the present invention, a hole larger than the diameter of the screw portion 1 is formed in the building member 6 by the reamer piece 7, and the screw portion 1 is allowed to pass through the hole. Friction between the part 1 and the building member 6 can be reduced, and it becomes easier to screw.

  In the building member mounting structure according to claim 7 of the present invention, the building member 6, the panel 5, and the metal frame 4 can be screwed into the building member 6, the panel 5, and the metal frame 4 with the drill portion 3 provided at the tip of the shaft portion 2. Is not required to be provided on the building member 6, the panel 5, and the metal frame 4, and the labor required for construction can be reduced. Moreover, by forming the screw part 1 only on a part of the shaft part 2, the building member 6 and the panel 5 and the metal when screwed are formed compared to the case where the screw part 1 is formed over the entire length of the shaft part 2. The friction of the screw part 1 with respect to the frame 4 can be reduced, and it becomes easy to screw.

  In the building member mounting structure according to claim 8 of the present invention, the screw portion 1 can be prevented from screwing into the reinforcing member 23 of the panel 5 before the drill portion 3 drills into the metal frame 4. 3, when the metal frame 4 is drilled, the friction between the screw portion 1 and the reinforcing member 23 is eliminated and the drilling is facilitated.

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

  FIG. 1 shows a building member mounting screw A as the screw of the present invention. This building member mounting screw A is formed of a metal material such as stainless steel, and includes a shaft portion 2 on which a screw portion 1 is formed, a drill portion 3 protruding from the tip of the shaft portion 2, and a shaft. And a head 20 provided at the rear end of the portion 2. The shaft portion 2 is formed in a round bar shape, and a male screw is formed as a screw portion 1 on a part of the peripheral surface (outer peripheral surface). The position and length of the screw part 1 are set according to the thickness of the panel and the thickness of the building member 6 which will be described later. The drill portion 3 has a sharp tip, and a drill blade 3a is provided on the peripheral surface (outer peripheral surface) thereof. In addition, a pair of thin reamer pieces 7, 7 project from the peripheral surface of the drill portion 3. A distance W between the tips of the pair of reamer pieces 7 and 7 is formed larger than the diameter (outer diameter) D1 of the shaft portion 2 and the screw portion 1. The head 20 is formed in the shape of an inverted truncated cone, and the diameter D2 of the widest portion is formed larger than the distance W between the tips of the pair of reamer pieces 7 and 7. The diameter of the drill portion 3 is substantially equal to the diameter of the shaft portion 2. Moreover, the reamer piece 7 can be provided as needed, and does not need to be provided.

  FIG. 2 shows a structure in which the building member 6 is attached to the surface (outdoor side surface) of the panel 5 using the building member attachment screw A described above. Here, the panel 5 is attached to a metal frame 4 such as a steel frame which is a framework material of a building. In FIG. 2, a steel frame 4 having a U-shaped cross section with horizontal pieces 4b and 4b provided at the upper and lower ends of the vertical piece 4a is used. However, the metal frame 4 is not limited thereto. It can be formed of a section steel having a L-shaped cross section composed of a piece 4a and a horizontal piece 4b, or a section steel such as a cross-section R-shaped or a H-shaped section.

  The panel 5 is formed having a front surface plate 21 and a back surface plate 22. The front plate 21 and the back plate 22 are formed of a flat calcium silicate plate or the like. The front surface plate 21 and the rear surface plate 22 are disposed so as to face each other, and a frame member (not shown) is disposed between at least the end portions of the front surface plate 21 and the rear surface plate 22. The panel 5 can be formed. Alternatively, the panel 5 may be formed as a heat insulating panel by filling a heat insulating material such as glass wool or urethane foam between the front surface plate 21 and the back surface plate 22. The panel 5 is fixedly attached to the metal frame 4 with the back surface of the panel 5 (the outer surface of the back plate 22) in contact with the surface of the vertical piece 4a of the metal frame 4 (the surface on the outdoor side). Yes. The building member 6 is used as a trunk edge, and is formed of a wooden square or the like.

  In attaching the building member 6 to the surface of the panel 5, first, the building member 6 is brought into contact with the surface of the panel 5 (the outer surface of the surface material 21) at a position facing the vertical piece 4 a of the metal frame 4. Deploy. Next, the building member mounting screw A is screwed into the surface of the building member 6 (surface on the outdoor side). At this time, the building member mounting screw A is screwed while drilling into the building member 6, the front plate 21, the back plate 22, and the vertical piece 4 a of the metal frame 4 with the drill portion 3. It is no longer necessary to drill a pilot hole in advance on the face plate 21, the rear panel 22 and the vertical piece 4a of the metal frame 4 before screwing the building member mounting screw A, and it is not necessary to align the pilot hole. It is possible to reduce the labor required for construction. Next, the threaded portion 1 of the shaft portion 2 of the building member mounting screw A is passed through and tightened with the back plate 22 of the panel 5 and the vertical piece 4a of the metal frame 4 being screwed, thereby tightening the surface of the panel 5 The building member 6 can be fixed and attached with the building member mounting screw A. In addition, the reamer piece 7 is not provided in the building member mounting screw A used in this embodiment.

  The screw portion 1 may be formed in a portion that is finally screwed to the back plate 22 and the vertical piece 4a of the metal frame 4 after the building member mounting screw A is tightened, and the length L1 of the screw portion 1 is sufficient. Is larger than the total amount of the thickness T1 of the back plate 22 and the thickness T2 of the vertical piece 4a, and it is preferable that L1 = T1 + T2 + α and α = 4 to 20 mm. With this length α, it is possible to absorb variations, unevenness, and the like between the thickness T1 of the back plate 22 and the thickness T2 of the vertical piece 4a in construction. And by making α smaller, when the screw portion 1 passes through the surface plate 21 of the panel 5, the screw portion 1 can reach the back plate 22 without rotating the building member mounting screw A. Although workability improves, it can also form so that the screw part 1 may reach even the rear end (boundary part with the head part 20) of the axial part 2. FIG.

  FIG. 3 shows another embodiment. In this embodiment, the panel 5 is formed by providing metal plates such as stainless steel as reinforcing members 23 and 23 over the entire inner surface of the front plate 21 and the inner surface of the back plate 22. Alternatively, the panel 5 may be formed as a heat insulating panel by filling a heat insulating material such as glass wool or urethane foam between the reinforcing members 23 and 23. Further, the length L1 of the screw portion 1 of the building member mounting screw A is larger than the total amount of the thickness T1 of the back plate 22, the thickness T2 of the vertical piece 4a, and the thickness T3 of the reinforcing member 23 provided on the back plate 21, It is preferable that L1 = T1 + T2 + T3 + α. With this length α, it is possible to absorb variations and unevenness in the thickness T1 of the back plate 22, the thickness T2 of the vertical piece 4a, and the thickness T3 of the reinforcing member 23 in construction. The length α is 4 mm or more, and the screw portion 1 can be formed so as to reach the rear end of the shaft portion 2 (the boundary portion with the head portion 20), but preferably α = 4 to 20 mm. . By making α smaller, when the screw portion 1 passes through the front plate 21 of the panel 5 and the reinforcing member 23 provided thereon, the screw portion 1 is moved to the back plate 22 and this without rotating the building member mounting screw A. It is possible to reach the reinforcing material 23 provided in the structure, and the workability is further improved. Other configurations are the same as those in the above embodiment.

  And in attaching the building member 6 to the surface of the panel 5, after arrange | positioning the building member 6 in contact with the surface of the panel 5 in the position facing the vertical piece 4a of the metal frame 4 like the above, The building member mounting screw A is screwed into the building member 6 from the surface (outdoor side surface). At this time, the building member mounting screw A is provided with the drill member 3 at the building member 6, the front plate 21, the reinforcing member 23 provided on the front plate 21, the reinforcing member 23 provided on the back plate 22, the back plate 22 and the metal frame 4. The vertical piece 4a is screwed while being drilled. Thereafter, the screw part 1 of the building member mounting screw A is passed through and tightened in a state of being screwed into the back plate 22 of the panel 5, the reinforcing member 23 provided on the back plate 22, and the vertical piece 4 a of the metal frame 4. Thus, the building member 6 can be fixed and attached to the surface of the panel 5 with the building member mounting screw A. The building member mounting screw A used in this embodiment has a reamer piece 7.

  Further, in the middle of screwing the building member mounting screw A, when drilling the vertical piece 4 a of the metal frame 4 with the drill portion 3, the screw portion 1 is introduced into the reinforcing member 23 provided on the surface plate 21 of the panel 5. Those who are not (screwed) are less likely to be screwed with less friction, and more preferably, the screw part 1 is screwed with less friction if it is not introduced (screwed) into the surface plate 21 of the panel 5. Cheap. Therefore, the length L2 from the tip of the drill portion 3 to the front end of the screw portion 1 (end portion on the drill portion 3 side) is the total thickness T0 of the panel 5 (from the outer surface of the front plate 21 to the outer surface of the back plate 22). The thickness (T0 + T2) of the vertical piece 4a of the metal frame 4 plus the thickness T2. When drilling the vertical piece 4 a of the metal frame 4 with the drill portion 3, the screw portion 1 is introduced into the surface plate 21 (the hole 6 a) of the panel 5 and the surface plate 21 of the panel 5. In order not to be introduced (screwed) into the provided reinforcing material 23, the length L2 from the tip of the drill portion 3 to the front end of the screw portion 1 (end portion on the drill portion 3 side) The total thickness T0 plus the thickness T2 of the vertical piece 4a of the metal frame 4 (T0 + T2) minus the thickness of the surface plate 21 (from the inner surface of the surface plate 21 to the outer surface of the back plate 22) To be larger than the length).

  In the reamer piece 7 of the building member mounting screw A of the present invention, the hole formed in the building member 6 and the surface plate 21 by the drill portion 3 is further enlarged to form a hole 6a having a diameter larger than the outer diameter D1 of the screw portion 1. It is formed on the building member 6 and the surface plate 21. Accordingly, the shaft portion 2 closer to the head 20 side than the reamer piece 7 is less likely to contact the peripheral surface of the hole 6a, so that friction can be reduced and the building member mounting screw A can be easily screwed. It is something that can be done. The reamer piece 7 is cut off by hitting the reinforcing member 23 after the hole 6a is drilled, and finally disappears. Further, the shaft portion 2 is formed with the screw portion 1 only at a part of the substantially central portion in the longitudinal direction (axial direction), and the peripheral surface of the other shaft portion 2 is formed as a smooth surface. In addition, the friction with each member when the building member mounting screw A is screwed can be reduced, and the building member mounting screw A can be easily screwed.

  FIG. 4 shows another embodiment. In this embodiment, the metal frame 4 uses an L-shaped section steel composed of a vertical piece 4a and a horizontal piece 4b. Other configurations are the same as those of the embodiment shown in FIG.

  And in attaching the building member 6 to the surface of the panel 5, after arrange | positioning the building member 6 in contact with the surface of the panel 5 in the position facing the vertical piece 4a of the metal frame 4 like the above, The building member mounting screw A is screwed into the building member 6 from the surface (outdoor side surface). At this time, the building member mounting screw A is provided with the drill member 3 at the building member 6, the front plate 21, the reinforcing member 23 provided on the front plate 21, the reinforcing member 23 provided on the back plate 22, the back plate 22 and the metal frame 4. The vertical piece 4a is screwed while being drilled. Thereafter, the screw part 1 of the building member mounting screw A is passed through and tightened in a state of being screwed into the back plate 22 of the panel 5, the reinforcing member 23 provided on the back plate 22, and the vertical piece 4 a of the metal frame 4. Thus, the building member 6 can be fixed and attached to the surface of the panel 5 with the building member mounting screw A. The building member mounting screw A used in this embodiment has a reamer piece 7, but is cut off by hitting a reinforcing member 23 attached to the surface plate 21.

  FIG. 5 shows another embodiment. In this embodiment, the reinforcing member 23 of the panel 5 does not use a flat plate as described above, but instead is a reinforcing member for a long member made of a metal such as stainless steel and having a substantially rectangular cross section. 23 is provided. The reinforcing member 23 is formed of a pair of mounting pieces 24, 24 and support pieces 25, 25 provided between the upper ends and the lower ends thereof. Then, the front surface plate 21 and the back surface plate 22 are arranged to face each other, and the reinforcing material 23 is disposed as a frame material between at least the end portions of the front surface plate 21 and the back surface plate 22, and one attachment piece 24 is disposed on the inner surface of the front surface plate 21 By attaching the other attachment piece 24 to the inner side surface of the back plate 22, the front plate 21, the back plate 22 and the reinforcing member 23 are integrated to form the panel 5. The length L1 of the screw portion 1 of the building member mounting screw A is larger than the total amount of the thickness T1 of the back plate 22, the thickness T2 of the vertical piece 4a, and the thickness T4 of the mounting piece 24 attached to the back plate 21 ( L1 = T1 + T2 + T4 + α). Other configurations are the same as those in the above embodiment.

  And in attaching the building member 6 to the surface of the panel 5, after arrange | positioning the building member 6 in contact with the surface of the panel 5 in the position facing the vertical piece 4a of the metal frame 4 like the above, The building member mounting screw A is screwed into the building member 6 from the surface (outdoor side surface). At this time, the building member mounting screw A is the building member 6, the front plate 21, the mounting piece 24 attached to the front plate 21, the mounting piece 24 attached to the back plate 22, the back plate 22, and the metal frame 4. The vertical piece 4a is screwed while being drilled. Thereafter, the screw part 1 of the building member mounting screw A is passed through and tightened in a state of being screwed into the back plate 22 of the panel 5, the mounting piece 24 attached to the back plate 22 and the vertical piece 4a of the metal frame 4. Thus, the building member 6 can be fixed and attached to the surface of the panel 5 with the building member mounting screw A. The building member mounting screw A used in this embodiment has the reamer piece 7, but is cut off by hitting the mounting piece 24 of the reinforcing member 23 attached to the surface plate 21.

  FIG. 6 shows another embodiment. In this embodiment, the reinforcing member 23 of the panel 5 does not use the flat plate shape or the substantially cross-sectional shape as described above, but instead is made of a metal such as stainless steel and has a substantially U-shaped cross section. A reinforcing material 23 is provided. The reinforcing member 23 is formed in a long shape with a substantially U-shaped cross section with a lower surface opened by a pair of mounting pieces 24, 24 and a support piece 25 provided between the upper ends thereof. Then, the front surface plate 21 and the back surface plate 22 are arranged to face each other, and the reinforcing material 23 is disposed as a frame material between at least the end portions of the front surface plate 21 and the back surface plate 22, and one attachment piece 24 is disposed on the inner surface of the front surface plate 21. By attaching the other attachment piece 24 to the inner side surface of the back plate 22, the front plate 21, the back plate 22 and the reinforcing member 23 are integrated to form the panel 5. The length L1 of the screw portion 1 of the building member mounting screw A is larger than the total amount of the thickness T1 of the back plate 22, the thickness T2 of the vertical piece 4a, and the thickness T4 of the mounting piece 24 attached to the back plate 21 ( L1 = T1 + T2 + T4 + α). Other configurations are the same as those in the above embodiment.

  And in attaching the building member 6 to the surface of the panel 5, after arrange | positioning the building member 6 in contact with the surface of the panel 5 in the position facing the vertical piece 4a of the metal frame 4 like the above, The building member mounting screw A is screwed into the building member 6 from the surface (outdoor side surface). At this time, the building member mounting screw A is the building member 6, the front plate 21, the mounting piece 24 attached to the front plate 21, the mounting piece 24 attached to the back plate 22, the back plate 22, and the metal frame 4. The vertical piece 4a is screwed while being drilled. Thereafter, the screw part 1 of the building member mounting screw A is passed through and tightened in a state of being screwed into the back plate 22 of the panel 5, the mounting piece 24 attached to the back plate 22 and the vertical piece 4a of the metal frame 4. Thus, the building member 6 can be fixed and attached to the surface of the panel 5 with the building member mounting screw A. The building member mounting screw A used in this embodiment has the reamer piece 7, but is cut off by hitting the mounting piece 24 of the reinforcing member 23 attached to the surface plate 21.

  FIG. 7 shows another embodiment. In this embodiment, the reinforcing member 23 of the panel 5 does not use a flat plate shape, a substantially cross-shaped section or a U-shaped section as described above, but instead is made of a metal such as stainless steel, The long member formed in the L-shaped cross section by the attachment piece 24 and the support piece 25 is used. Then, the front plate 21 and the back plate 22 are arranged opposite to each other, and the reinforcing member 23 is arranged as a frame member between at least the end portions of the front plate 21 and the back plate 22, and the mounting piece 24 is attached to the inner side surface (rear side) of the front plate 21. By attaching the front end of the support piece 25 to the inner side surface (surface facing the front plate 21) of the back plate 22, the front plate 21, the back plate 22 and the reinforcing material 23 are integrated. The panel 5 can be formed. The panel 5 is fixedly attached to the metal frame 4 with the back surface of the panel 5 (the outer surface of the back plate 22) in contact with the surface of the vertical piece 4a of the metal frame 4 (the surface on the outdoor side). Yes. Other configurations are the same as those in the above embodiment.

  In attaching the building member 6 to the surface of the panel 5, first, the building member 6 is brought into contact with the surface of the panel 5 (the outer surface of the surface material 21) at a position facing the vertical piece 4 a of the metal frame 4. Deploy. Next, the building member mounting screw A is screwed into the surface of the building member 6 (surface on the outdoor side). At this time, the building member mounting screw A is screwed while drilling in the building member 6, the front plate 21, the mounting piece 24 of the reinforcing member 23, the back plate 22 and the vertical piece 4 a of the metal frame 4 by the drill portion 3. Therefore, it is necessary to make a pre-hole beforehand in the building member 6, the front plate 21, the mounting piece 24 of the reinforcing member 23, the back plate 22, and the vertical piece 4 a of the metal frame 4 before screwing the building member mounting screw A. This eliminates the need for aligning the pilot holes and reduces the labor required for construction. Next, the threaded portion 1 of the shaft portion 2 of the building member mounting screw A is passed through and tightened with the back plate 22 of the panel 5 and the vertical piece 4a of the metal frame 4 being screwed, thereby tightening the surface of the panel 5 The building member 6 can be fixed and attached with the building member mounting screw A. The building member mounting screw A used in this embodiment has the reamer piece 7, but is cut off by hitting the mounting piece 24 of the reinforcing member 23 attached to the surface plate 21. The length L1 of the screw portion 1 is larger than the total amount of the thickness T1 of the back plate 22 and the thickness T2 of the vertical piece 4a, and it is preferable that L1 = T1 + T2 + α.

  In any of the above-described embodiments, the outer wall can be formed by attaching a large number of ceramic-type outer wall materials or the like to the building member 6 using a fixing bracket or the like. Accordingly, the building member 6 is attached to the existing wall of the building composed of the panel 5 and the metal frame 4 by using the building member attaching screw A of the present invention to form the base wall, and then the building member 6 is provided with a new outer wall material. It is possible to renovate a building by attaching a wall to form a new wall. Of course, a new wall may be formed from the panel 5, the metal frame 4, the building member 6, and the outer wall material, in addition to the renovation.

  In any of the above-described embodiments, the wooden square member serving as the trunk edge is used as the building member 6. However, the present invention is not limited thereto, and other building members 6 such as an accessory may be used. For example, in FIG. 8, a ceramic-type outer wall material is used as the building member 6, and this outer wall material is directly fixed to the surface of the panel 5 with a building member mounting screw A and attached. Other configurations are the same as described above. Here, as the panel 5, a metal frame 4 is used as a reinforcing member 23, 23 provided with a metal plate such as stainless steel over the entire inner surface of the front plate 21 and the inner surface of the back plate 22. Although the U-shaped cross section in which the horizontal pieces 4b and 4b are provided at the upper and lower ends of the vertical piece 4a is used, the present invention is not limited to these, and various shapes of panels 5 and metal frames 4 may be used. it can.

  2, 3, and 8 are cross-sectional views showing a substantially central portion in the vertical direction of the panel 5, and the embodiments of FIGS. 4, 5, 6, and 7 are the panels of the panel 5. It is sectional drawing which shows a lower end part.

It is a front view which shows an example of embodiment of the building member attachment screw of this invention. It is sectional drawing which shows an example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention. It is sectional drawing which shows the other example of embodiment of the attachment structure of the building member of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Screw part 2 Shaft part 3 Drill part 4 Metal frame 5 Panel 6 Building member 7 Reamer piece A Building member mounting screw

Claims (8)

  A screw having a shaft portion having a screw portion and a drill portion provided at a tip of the shaft portion, wherein the screw portion is formed only in a part of the shaft portion.   A building member mounting screw for passing through a panel disposed on the surface of the metal frame and a building member disposed on the surface of the panel and fixing the building member to the metal frame, the shaft having a screw portion And a drill portion provided at the tip of the shaft portion, wherein the screw portion is formed only on a part of the shaft portion so as to be screwed only to the panel and the metal frame. Building member mounting screws.   This is a building member mounting screw for fixing a building member to the surface of the panel arranged on the surface of the metal frame, and the length from the screw part to the head is set according to the thickness dimension of the panel and building member The building member mounting screw according to claim 2, wherein the building member mounting screw is provided.   The construction according to claim 2 or 3, wherein the length from the screw portion to the tip of the drill portion is set so that the screw portion is introduced into the panel after the drill portion penetrates the metal frame. Screw for mounting members.   A metal reinforcing material is provided inside the panel, and the length from the screw part to the tip of the drill part is set so that the screw part is introduced into the reinforcing material after the drill part penetrates the metal frame. The building member mounting screw according to claim 2, wherein:   6. The building member mounting screw according to claim 2, wherein a reamer piece for forming a hole larger than the diameter of the screw portion in the building member is provided on the drill portion. .   A panel is arranged on the surface of the metal frame, and a building member is arranged on the surface of the panel, and a building member mounting screw is screwed so as to penetrate the building member and the panel from the surface of the building member. The building member mounting structure is configured to be fixed, and the building member mounting screw has a shaft portion having a screw portion and a drill portion provided at a tip of the shaft portion, and the screw portion is only a part of the shaft portion. A construction member mounting structure, wherein the screw part is screwed only to the panel and the metal frame. A construction that uses a panel with metal reinforcement inside, and sets the length from the screw part to the tip of the drill part so that the screw part is introduced into the reinforcement after the drill part penetrates the metal frame The building member mounting structure according to claim 7, wherein the building member mounting screw is used.

Images