JP4630050B2 - Panel fixture and panel mounting structure - Google Patents

Description

  The present invention relates to a panel fixture used when a panel such as a wall panel or a floor panel is attached to a building structure and a panel mounting structure using the same, and particularly suitable for forming a bearing wall. It is used.

  Conventionally, fixtures such as screws, nails, and texes have been used to attach a panel (sandwich panel) formed by filling a core material between a front plate and a back plate to a building structural material. After placing the panel with the back plate in contact with the front surface of the panel, penetrate the surface plate, the core material, and the back plate from the front side of the panel, and drive the above fixture into the structural material. (For example, refer to Patent Document 1).

However, in the invention described in Patent Document 1, the weight of the panel and the load applied to the panel are supported at the contact portion between the front plate and the back plate and the fixture, and the front plate and the rear plate at the contact portion with the fixture. Since a load is applied to the surface plate, the front plate and the back plate formed of a thin metal plate are deformed, and a gap is generated between the fixture and the panel, so that the mounting strength (shear strength) of the panel by the fixture is ensured. There is a problem that the strength of the wall tends to decrease.
JP-A-11-350706 (2nd page, FIG. 1 etc.)

  The present invention has been made in view of the above points, and an object of the present invention is to provide a panel fixture and a panel mounting structure that can prevent a decrease in the proof stress of a wall.

A panel fixture A according to claim 1 of the present invention is a panel fixture A for attaching a panel 4 formed by filling a core material 3 between a front plate 1 and a back plate 2 to a structural material 5 of a building. In addition, a pressure contact portion 7 that is pressed against the inner surface of the back plate 2 is provided around the fixture body 6 that penetrates the panel 4 and is inserted into the structural material 5, and the pressure contact portion 7 is formed to be expandable. it is characterized in that formed by.

According to the present invention, the back plate 2 can be pressed and attached to the structural member 5 by the pressure contact portion 7, and the strength of the panel 4 can be improved to prevent the deterioration of the proof stress of the wall. Further, the pressure contact area of the pressure contact portion 7 with respect to the back plate 2 can be increased, the back plate 2 can be pressed and attached to the structural material 5 with a wider area, and the mounting strength of the panel 4 can be further improved to increase the wall. The proof stress can be increased.

  The panel fixing tool A according to claim 2 of the present invention is characterized in that, in addition to claim 1, the front end portion of the sleeve 8 or the ring 9 which is extrapolated to the fixing tool body 6 is formed as the press contact portion 7. To do.

  According to the present invention, after the sleeve 8 or the ring 9 and the fixture main body 6 are separately formed, the panel fixture A can be formed by assembling the sleeve 8 or the ring 9 and the fixture main body 6. Can be formed separately according to the construction conditions and the like of the panel 4.

Claim 3 in accordance panel fixture A of the present invention, in addition to claim 1 or 2, in which the previous end is characterized by comprising forming a contact portion 7 at an acute plurality of protrusions 7a.

  According to this invention, the protrusion 7a can be bitten into the back plate 2, and the press plate 7 can be firmly connected to the back plate 2 so that the back plate 2 can be attached to the structural material 5 more strongly. It is.

The panel mounting structure according to a fourth aspect of the present invention is a fixing tool that passes through the panel 4 and is fixed to the structural member 5 when the panel fixing tool A according to any one of the first to third aspects is mounted. The main body 6 is driven in, and the press contact portion 7 provided around the fixture main body 6 is expanded and pressed against the inner surface of the back plate 2.

  According to the present invention, the back plate 2 can be pressed and attached to the structural member 5 by the pressure contact portion 7, and the strength of the wall can be increased by further improving the attachment strength of the panel 4.

The panel mounting structure according to claim 5 of the present invention is characterized in that, in addition to claim 4 , the core material 3 of the panel 4 has a honeycomb structure.

  According to this invention, the weight of the panel 4 can be reduced, the shearing force applied to the mounting portion of the panel 4 can be reduced, and the decrease in the proof stress of the wall of the panel 4 can be prevented. .

  In the present invention, the back plate can be pressed and attached to the structural material at the press contact portion, and the strength of the panel can be improved to prevent a decrease in the yield strength of the wall.

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

  The flat panel (sandwich panel) 4 used in the present invention can be used as it is as a wall panel or floor panel, and the core material 3 is filled between the front plate 1 and the back plate 2. It is formed by (interposing) and bonding. For the front plate 1 and the back plate 2, a metal plate such as a stainless steel plate, a galvanized steel plate, an aluminum-galvanized steel plate, or a coated steel plate can be used, and the thickness thereof can be, for example, 0.3 to 1 mm. The core material 3 has been conventionally used as a heat insulating material, and examples thereof include inorganic fiber boards such as rock wool boards and glass wool boards, and resin foams such as urethane foam and phenol foam. Moreover, the thickness of the core material 3 can be 15-200 mm, for example.

It shows an example of a panel fixture A for wooden concrete in FIG. The panel fixture A is made of metal such as stainless steel, and is formed by providing a pressure contact portion 7 on the fixture body 6. The fixture body 6 is conventionally used as a tex or a drill screw, and is formed in a substantially disc shape with a sharp tip, and a substantially disc-shaped head 10 is provided at the rear end. . In addition, a mounting portion 12 is formed at a substantially central portion of the fixture main body 6, and a substantially half of the distal end side of the mounting portion 12 is formed as a screw portion 13 having a screw on the outer periphery. Further, a locking projection 17 is provided at a position closer to the rear end side (head 10 side) than the mounting portion 12 in the vicinity of the mounting portion 12. The locking projection 17 protrudes from the surface of the fixture main body 6 and is formed in a long line shape in a direction parallel to the longitudinal direction of the panel fixture A. A plurality of locking projections 17 are provided side by side in the circumferential direction of the fixture body 6. The length between the mounting portion 12 and the head portion 10 can be appropriately changed depending on the thickness of the panel 4 to be used. The outer diameter of the fixture main body 6 can be set to, for example, about 5 mm, but can be appropriately set according to the weight of the panel 4 and the desired strength of the wall.

  The pressure contact portion 7 is formed by a ring 9 such as a washer, and is inserted into the mounting portion 12. Therefore, the press contact portion 7 is externally fitted to the fixture main body 6 in a state of protruding around the fixture main body 6. Further, the outer diameter of the press contact portion 7 is formed larger than the outer diameter of the fixture main body 6, but the inner diameter of the press contact portion 7 is slightly larger than the outer diameter of the mounting portion 12 and the thread portion of the screw portion 13. And the outer diameter of the portion of the fixture body 6 where the locking projections 17 are formed. Accordingly, the pressure contact portion 7 is held by the thread of the screw portion 13 and the locking protrusion 17 so as not to be detached from the mounting portion 12. It is formed so as to be movable along the longitudinal direction. For example, the ring 9 forming the press contact portion 7 can have an outer diameter of 8 to 10 mm and a thickness of 0.5 to 3 mm, but is not limited thereto. The ring 9 is fitted to the fixture body 6 by molding the screw portion 13 and the locking projection 17 after the screw portion 13 and the locking projection 17 are fitted into the fixture body 6 before molding. Can do.

  Then, when the panel 4 is attached to the wooden structural member 5 such as a body edge, a column, or a beam of the building using the panel fixture A, the following is performed. First, the hole 14 is formed in the panel 4. The hole 14 is formed so as to penetrate the surface plate 1 and the core material 3 in the thickness direction, but the back plate 2 is formed so as not to penetrate. Further, the diameter of the hole portion 14 is formed to be slightly larger than the outer diameter of the press contact portion 7 and smaller than the outer diameter of the head portion 10. Next, the panel 4 in which the hole portion 14 is formed is arranged so that the back side thereof is in contact with the surface of the structural member 5. That is, the outer surface (surface opposite to the core material 3) of the back plate 2 of the panel 4 is brought into contact with the surface of the structural material 5. At this time, the position of the hole 14 is aligned with the structural material 5. Next, the above-described panel fixture A is inserted into the hole 14 from the opening on the surface side, and the inner surface (core material 3) of the back plate 2 exposing the tip of the fixture body 6 of the panel fixture A to the hole 14. Side surface). Next, by screwing the panel fixture A inserted into the hole 14, the screw portion 13 of the panel fixture A is driven into the back plate 2 and the structural material 5, and the front side surface of the press contact portion 7 is connected to the back plate. 2 is pressed against the surface of the core material 3 and the head 10 of the fixture main body 6 is pressed against the surface of the surface plate 1 (opening edge of the hole 14). By driving the panel fixture A into the panel 4 in this way, the panel 4 can be attached to the structural member 5 as shown in FIG.

And in said panel fixing tool A, since the press contact part 7 is press-contacted to the inner surface (surface by the side of the core material 3) of the back surface plate 2 in the circumference | surroundings of the screw part 13 of the fixing device main body 6 which penetrates the back surface plate 2, The panel 4 can be fixed to the structural material 5 by pressing the back plate 2 against the structural material 5 at the pressure contact portion 7, and the mounting strength of the panel 4 is less likely to be lowered due to the improvement of the surface strength by the back surface plate 2 of the panel A. It is. In addition, the press contact portion 7 can be pressed and reinforced around the portion of the back plate 2 through which the screw portion 13 passes, and the back plate 2 is less likely to be deformed at the contact portion with the fixture body 6. . Accordingly, it is difficult to generate a gap between the fixture main body 6 and the back plate 2, and the attachment strength of the panel 4 by the panel fixture A can be improved, and the deterioration of the proof stress of the wall can be prevented. It is. As described above, when the panel fixture A of the present invention is driven into the panel 4, the pressure contact portion 7 is on the surface of the back plate 2 on the core 3 side, and the head 10 is on the surface of the surface plate 1, respectively. In consideration of this, the length of the fixture main body 6 between the pressure contact portion 7 and the head 10, the thickness of the surface plate 1, the thickness of the core material 3, etc. are set in consideration of this. . In the panel 4 mounting structure of the present invention, the wall strength of about 2.5 to 3 times that of the conventional panel mounting structure can be obtained.

Figure 3 shows another example of a panel fixture A for wooden concrete. This panel fixture A is formed in substantially the same manner as that of FIG. 1 except that the structure for holding the pressure contact portion 7 so as not to be detached from the mounting portion 12 is different from that of FIG. That is, a mounting portion 12 is formed at a substantially central portion of the fixture main body 6, and a substantially half on the tip side of the mounting portion 12 is formed as a screw portion 13 having a screw on the outer periphery. Is formed to have a slightly smaller diameter (thinner diameter) than the other parts of the fixture main body 6. The pressure contact portion 7 similar to that described above is inserted into the mounting portion 12 and inserted into the fixture main body 6, and is externally fitted to the fixture main body 6 while projecting around the fixture main body 6. Further, the inner diameter of the pressure contact portion 7 is slightly larger than the outer diameter of the mounting portion 12, and the outer diameter of the thread portion of the screw portion 13 and the outer diameter of the fixture main body 6 in the portion closer to the head portion 10 than the mounting portion 12. Since it is formed slightly smaller than that, the press contact portion 7 is held so as not to be detached from the mounting portion 12 by being locked to a screw thread of the screw portion 13 or a portion closer to the head 10 than the mounting portion 12.

  The panel fixture A thus formed can be used in the same manner as described above to attach the panel 4. That is, the hole 14 is formed in the panel 4 in the same manner as described above, and the panel 4 is disposed on the surface of the structural member 5. Next, the panel fixture A is inserted into the hole 14 from the opening on the front surface side, and the tip of the fixture body 6 of the panel fixture A is exposed to the hole 14 on the core 3 side. Contact the surface. Next, by screwing the panel fixture A inserted into the hole 14, the screw portion 13 of the panel fixture A is driven into the back plate 2 and the structural material 5 and the pressure contact portion 7 at the tip of the sleeve 8 is pressed. The front end face is pressed against the inner surface of the back plate 2 (the surface on the core 3 side), and the head 10 of the fixture body 6 is pressed against the surface of the surface plate 1. By driving the panel fixture A into the panel 4 in this way, the panel 4 can be attached to the structural member 5 as shown in FIG.

FIG. 5 shows another example of the panel fixture A. In this panel fixture A, a sleeve 8 is used instead of the ring 9, and other configurations are the same as those of the other panel fixture A described above. That is, the pressure contact portion 7 is formed by the tip portion of the sleeve 8 having an outer diameter of 8 to 10 mm. The sleeve 8 is inserted (externally fitted) on the outer side of the fixture main body 6 on the rear side (head 10 side) of the screw portion 13, and is formed to be movable along the longitudinal direction of the fixture main body 6. Yes. Further, the rear end surface of the sleeve 8 is in contact with the front side surface of the head 10. In addition, it is not necessary to provide the mounting part 12 in the fixture main body 6 in this embodiment. The length of the sleeve 8 is set according to the thickness of the surface plate 1, the thickness of the core material 3, the length of the fixture main body 6 and the screw portion 13, and the like.

  The panel fixture A thus formed can be used in the same manner as described above to attach the panel 4. That is, the hole 14 is formed in the panel 4 in the same manner as described above, and the panel 4 is disposed on the surface of the structural member 5. Next, the panel fixture A is inserted into the hole 14 from the opening on the front surface side, and the tip of the fixture body 6 of the panel fixture A is exposed to the hole 14 on the core 3 side. Contact the surface. Next, by screwing the panel fixture A inserted into the hole 14, the screw portion 13 of the panel fixture A is driven into the back plate 2 and the structural material 5 and the pressure contact portion 7 at the tip of the sleeve 8 is pressed. The front end face is pressed against the inner surface of the back plate 2 (the surface on the core 3 side), and the head 10 of the fixture body 6 is pressed against the surface of the surface plate 1. By driving the panel fixture A into the panel 4 in this way, the panel 4 can be attached to the structural member 5 as shown in FIG.

  In this panel fixture A, the head 10 can be pressed against the surface of the surface plate 1 and simultaneously the head 8 can press the sleeve 8 forward. Therefore, as compared with the above-described embodiment, the front end surface of the pressure contact portion 7 can be strongly pressed against the surface of the back plate 2 on the core material 3 side, and the back plate 2 can be pressed more strongly against the structural material 5. As a result, the strength of the wall can be further improved by increasing the mounting strength of the panel 4.

7A and 7B show an embodiment of the present invention . This panel fixing tool A is formed by expanding the outer diameter of the pressure contact portion 7 in the sleeve 8 shown in FIG. 5 so as to be larger than the outer diameter of other portions, and the other configurations are the same as those in the above embodiment. In forming the outer diameter of the press contact portion 7 so as to be expandable, as shown in FIG. 7B, a plurality of split grooves 16 can be formed at the tip of the sleeve 8 so as to increase the diameter.

  The panel fixing tool A is used for attaching the panel 4 in the same manner as in FIG. 5 described above. However, as shown in FIG. By press-contacting the inner surface of the face plate 2 (the surface on the core material 3 side), the press-contact portion 7 is crushed and its outer diameter is expanded, and this expanded press-contact portion 7 is brought into contact with the inner surface of the back plate 2. It will be in pressure contact. Therefore, compared with the structure of FIG. 6, the press contact portion 7 can be pressed against the wide surface of the back plate 2 on the core material 3 side, and the wide surface of the back plate 2 can be pressed against the structural material 5. As a result, the mounting strength of the panel 4 can be improved and the proof stress of the wall can be further improved. Note that the pressure contact portion 7 may be expandable by a method different from the above, or a sleeve 8 in which the outer diameter of the pressure contact portion 7 is increased in advance may be used.

FIG. 9 shows another example of the panel fixture A. This panel fixture A is formed by forming the tip of the sleeve 8 shown in FIG. 5 in a jagged tooth shape, and other configurations are the same as those of the other panel fixture A. In other words, the plurality of protrusions 7a having sharp edges at the tip of the sleeve 8 are provided over the entire circumference, so that the pressure contact portions 7 are formed by the plurality of protrusions 7a.

  As shown in FIG. 10, this panel fixture A is used for attaching the panel 4 in the same manner as in FIG. 5, but it is different from the structure of FIG. The pressure contact portion 7 can be bite in, the sleeve 8 can be firmly connected to the back plate 2 and the back plate 2 can be pressed into the structural material 5 more strongly. As a result, the attachment strength of the panel 4 It is possible to further improve the proof stress of the wall.

FIG. 11 shows another example of the panel fixture A. In this panel fixture A, instead of providing the sleeve 8 and the ring 9 in the fixture main body 6, the cylindrical portion 15 is formed integrally with the fixture main body 6. Other configurations are the same as those of the other panel fixture A. It is the same. The cylindrical portion 15 can be formed in substantially the same shape as the sleeve 8, and the distal end portion of the cylindrical portion 15 is formed as the press contact portion 7.

  As shown in FIG. 12, this panel fixture A is used for mounting the panel 4 in the same manner as in FIG. 5, but the sleeve 8 and the ring 9 are compared with those in FIG. There is no need to assemble the fixture main body 6 and the labor for manufacturing the panel fixture A is reduced. Incidentally, in the panel fixture A in which the sleeve 8 or the ring 9 and the fixture main body 6 are separately formed, it is necessary to assemble the sleeve 8 or the ring 9 and the fixture main body 6. Accordingly, the sleeve 8, the ring 9 and the fixture body 6 can be selected and used individually, and the panel fixture A having good compatibility with the construction conditions of the panel 4 can be formed. .

FIG. 13 shows another example of the panel fixture A. This panel fixture A is suitably used for a metal structural member 5 such as a C-shaped or H-shaped steel frame (steel), and has a screw portion so that the metal structural member 5 can be easily drilled. A drill portion 13 a is formed at the tip of 13. This drill part 13a is formed in the same shape as the drill of a drilling tool. In addition, the panel fixing tool A has a screw part 13, a mounting part 12, and a locking projection 17 formed on the fixing tool body 6 as in FIG. Is provided.

  As shown in FIG. 14, this panel fixture A is used for mounting the panel 4 in the same manner as in FIG. 1, but the tip is formed as a drill portion 13a, so that the metal structure Even the material 5 can be driven while being drilled, and the panel 4 can be easily attached.

  In the present invention, it is preferable to use a honeycomb structure made of a metal such as aluminum as the core material 3 of the panel 4. In this case, the shear rigidity of the panel 4 is made higher than that of the solid core material 3. In addition, the weight of the panel 4 can be reduced and the load applied to the panel fixture A can be reduced, so that the mounting strength of the panel 4 can be prevented from decreasing and the proof stress of the wall can hardly be reduced. FIG. 15 shows a state in which the panel 4 having the honeycomb structure core 3 is attached by the panel fixture A shown in FIG. In this case, the fixture main body 6 is driven so as to penetrate through the cells 18 of the core material 3 having a honeycomb structure. The core material 3 can be bonded to the front plate 1 and the back plate 2 with a sheet adhesive 20 or the like.

It is a perspective view which shows the reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is a perspective view which shows the other reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is a perspective view which shows the other reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. (A) a perspective view showing an example of implementation in the form of a panel fastener of the present invention, is a bottom view of the (b) is the pressure contact portion. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is a perspective view which shows the other reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is a perspective view which shows the other reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is a perspective view which shows the other reference example of the panel fixing tool of this invention. It is sectional drawing which shows the use condition of the panel fixing tool of FIG. It is sectional drawing which shows the other use condition of the panel fixing tool of FIG.

DESCRIPTION OF SYMBOLS 1 Front plate 2 Back plate 3 Core material 4 Panel 5 Structural material 6 Fixing tool main body 7 Pressure contact part A Panel fixing tool

Claims (5)

A panel fixture for attaching a panel formed by filling a core material between a front plate and a back plate to a building structural material, around the fixture body that is penetrated into the structural material through the panel A panel fixture comprising a press-contact portion that is press-contacted to the inner surface of the back plate, and the press-contact portion is formed to be expandable .   2. The panel fixture according to claim 1, wherein a tip end portion or a ring of the sleeve extrapolated to the fixture main body is formed as a pressure contact portion. The panel fixture according to claim 1 or 2 , wherein a pressure contact portion is formed by a plurality of protrusions having a sharp tip. When mounting a panel using the panel fixture according to any one of claims 1 to 3, the fixture body is driven into the structural material through the panel and the press contact portion provided around the fixture body is expanded. The panel mounting structure is characterized by being pressed against the inner surface of the back plate. The panel mounting structure according to claim 4 , wherein the core material of the panel has a honeycomb structure.

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