JP4179258B2 - Wall panel corner connection structure - Google Patents

Description

  The present invention relates to a connection structure of different types of wall panels adjacent to each other at a corner portion of a bathroom unit or the like.

  A conventional bathroom unit is configured by connecting a plurality of types of wall panels, and adjacent wall panels at the corners are connected and fixed by connecting members for the wall panels. Patent document 1 shows an example of the connection structure which connects the wall panel of the same kind mutually. 6 (a) and 6 (b) are explanatory views showing another example of the conventional corner connection structure of the wall panel. Hereinafter, a conventional corner connection structure of a wall panel will be described with reference to FIGS.

  FIG. 6A is a perspective view of a main part when a connection state at a corner portion between wall surface panels (hereinafter, first wall surface panels) 100 in which the surface of the metal base material is covered with a resin sheet is viewed from the indoor side. . The first wall surface panel 100 of this example is formed so that the metal base material as a surface decorative plate extending to the side end portion thereof is bent at a right angle to the back surface side, and further folded to face the other side end portion side. Further, a connecting portion 101 made of a vertical ridge in the vertical direction is provided. At the corner portion, the connecting portions 101 of the two adjacent first wall panels 100 are attached so as to be held in a snap manner by a connecting joiner 200 having a pair of locking pieces 201 bent in a bowl shape. By doing so, the first wall surface panels 100, 100 are corner-connected. In the illustrated example, the coupling joiner 200 is press-fitted from behind.

FIG. 6B is a perspective view of a main part when a connection state at a corner portion of wall surface panels (hereinafter referred to as second wall surface panels) 300 using a cement plate as a base material is viewed from the outdoor side. Each of the second wall panels 300 includes a vertical hollow column 301 that is integrally fixed to the back surface of the side end portion, and a joiner 400 having an L-shaped cross section is connected to the hollow columns 301 of both the second wall panels 300 at the corners. The second wall surface panels 300 and 300 are corner-connected by being fastened with screws 401. In this case, in addition to the fastening by the screw 401, the hollow column 301 and the joiner 400 may be connected by engagement between the daruma hole and the protrusion.
JP 2003-27633 A

  By the way, in a bathroom unit, it is common to arrange the same kind of wall panels on all the walls as described above. However, in recent years, depending on the conditions such as the installation location, the first wall panels 100 and It has become desirable to construct a combination of different types such as the second wall surface panel 300. However, the joiners 200 and 400 as described above are configured only to connect one kind of wall surface panels to each other, and cannot satisfy the above-described demand.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a corner connection structure for wall panels that enables the corner connection even for two types of metal and non-metal wall panels. There is to do.

  In order to achieve the above object, the wall surface panel corner connection structure according to the first aspect of the present invention includes a first wall surface panel provided with a vertical protrusion on the back surface side of the side end portion by bending of the panel material. The first wall surface panel has a structure in which a second wall surface panel integrally provided with a vertical hollow column on the back surface side of the side end portion is connected at a corner portion, and includes a concave groove for receiving the protruding portion. A panel mounting base material attached to the back surface of the side end of the panel, and the panel mounting base material, the ridge, and a fold formed by bending the panel material at a right angle to the back side in order to fold the ridge. A support unit that sandwiches and forms the forming base portion, and a joiner having an L-shaped cross section. The support device includes a plurality of first wall surface side locking holes, and the panel mounting base member includes the first support member. 1 Recesses larger than the wall-panel-side locking holes are spaced apart along the longitudinal direction. A plurality of protrusions corresponding to the respective locking holes are provided along the longitudinal direction on the outer surfaces of the orthogonal pieces of the joiner, and the first protrusions are formed by engaging the plurality of protrusions with the locking holes, respectively. The wall surface panel and the second wall surface panel are connected via the joiner.

  According to a second aspect of the present invention, in the above, the first wall surface panel side locking hole is a harpoon hole in which a large-diameter portion and a small-diameter portion opened in the support are continuous, The formed concave portion corresponds to the daruma hole and is formed of an elongated hole having the same width as or slightly larger than the large diameter portion, and a second wall surface panel side locking hole is formed in the side wall portion of the hollow column. On the other hand, the protrusions formed on the joiner have a tip portion that is slightly smaller in diameter than the larger diameter portion of each of the aforementioned daruma holes, and a base portion that is slightly smaller in diameter than the smaller diameter portion of the daruma hole. It is characterized by comprising parts. In this case, as the third aspect of the present invention, it is desirable to use the dharma hole formed so that the large diameter portion is on the upper side and the small diameter portion is on the lower side.

  According to the corner connection structure of the wall surface panel according to the first aspect of the present invention, the panel mounting base material is attached to the rear surface of the side end portion of the first wall surface panel via the support, and the panel mounting base material. By connecting the hollow column integrated with the back of the side wall of the second wall panel with a joiner having an L-shaped cross section, the first wall panel and the second wall panel of different types can be connected in corners. . Therefore, it is possible to accurately meet a demand for building a wall surface by combining different types of wall surface panels. In addition, the connecting method shown in the conventional example can be adopted for the corner portion adjacent to the same type of wall panel, and various wall surface assemblies can be constructed according to conditions such as the installation location by appropriately combining them. The

  Then, as in the second aspect of the invention, if the coupling of the first wall panel and the second wall panel and the joiner is performed by the engagement of the dart hole and the protrusion, the connecting and assembling work of the wall surface can be performed easily and reliably. Made. In this case, as in the invention of claim 3, if the saddle hole is formed so that the large diameter portion is on the upper side and the small diameter portion is on the lower side, the first wall panel and Install the second wall panel in the vicinity of the specified corner position, place a joiner between the panels, move both panels slightly toward the corner, and insert protrusions into the large diameter part of each daruma hole. Further, if the joiner is moved downward by lightly tapping from above, the small-diameter base side portion of the projection is fitted into the small-diameter portion of the daruma hole, and the above engagement is easily performed.

  The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an example of a corner connection structure of a wall panel according to the present invention, FIG. 2 is a perspective view showing a procedure for temporarily fixing a support to a panel mounting base, and (a) shows the previous stage. , (B) shows a temporarily fixed state. FIG. 3 is a perspective view showing a procedure for holding the panel mounting base material to the side wall bent portion of the first wall surface panel and supporting the bent portion and the panel mounting base material integrally with a support. 4 is a perspective view showing a procedure for corner-connecting the first wall surface panel and the second wall surface panel via a joiner. FIG. 5 is a plan view showing an example of a unit bathroom. In addition, the 1st wall surface panel W1 demonstrated below is a base material formed with the metal plate (steel plate), and the 2nd wall surface panel W2 was formed with the non-metal material, such as a cement board, in the 2nd wall surface panel W2. Is.

  An outline of a unit bathroom to which the corner connection structure of the present invention is applied will be described with reference to FIG. In FIG. 5, one of the four wall surfaces is formed by the second wall surface panel W2 and the other three surfaces are formed by the first wall surface panel W1. That is, in the figure, at the corners A and B, it is necessary to connect the first and second wall surface panels W1 and W2 to each other. Here, a typical one of the first wall panel W1 is a metal plate such as an aluminum zinc steel plate as a base material, a surface decorative layer such as PET resin is formed on the surface, and a base frame is integrally formed on the back surface, What bent the both-sides edge part of a base material and formed the protrusion part of the vertical direction is employ | adopted. The second wall panel W2 has a special cement plate or the like as a base material, a base coat layer and a top coat layer are formed on the surface thereof, a back coat layer is formed on the back surface, and the back coat layers on both sides are back. In addition, a structure in which a vertical hollow column formed of aluminum or the like is attached by welding or adhesion is used for reinforcement and connection. These detailed structures will be described later.

  The first wall surface panel W1 and the second wall surface panel W2 have the structural differences as described above, but due to their structural features, the second wall surface panel W2 is formed thicker than the first wall surface panel W1. It is common that That is, both wall surface panels W1 and W2 have a great difference in the shape of the panel side end portions to be connected, and require connecting members having shapes suitable for the respective side end portions. The corner connecting structure of the present invention is applied to the corners A and B. However, since the corners C and D are connected to the same type of wall panel, a conventional connecting structure is adopted here.

  In FIG. 1, a first wall panel W1 is configured by integrally forming a metal panel material (base material) 2 as a surface decorative plate having a decorative finish as described above on a base frame 1 formed by sheet metal processing or the like. Has been. The side end portion of the panel material 2 is bent at a right angle to the back surface side to form a bend forming base portion 2a, and further, this bend forming base portion 2a has a mountain shape so as to face the other end portion side of the first wall surface panel W1. Is formed into a vertical protrusion 2b. At the upper end of the base frame 1, a standing piece 1a for attaching a ceiling panel (not shown) is formed (see FIG. 3). The second wall panel W2 includes a cement plate 3 having a surface finish as described above, and a vertical hollow column 4 formed by extrusion or sheet metal processing of aluminum or the like that is fixed and integrated with the back surface of the side end portion. And is made up of. As shown in FIG. 1, the two types of the first wall surface panel W <b> 1 and the second wall surface panel W <b> 2 having different structures are as shown in FIG. 1 via the panel mounting base material 5, the support 6 and the L-shaped joiner 7 at the corner portion. Connected to Hereinafter, the point of connection will be described in detail.

  2 to 4, the panel mounting base 5 is made of a solid column-shaped synthetic resin extruded material, and one side thereof has a substantially triangular concave section capable of receiving the protruding portion 2 b along the longitudinal direction. A groove 5a is formed, and a plurality of long holes (oval or ellipse) 5b whose long axis is parallel to the concave groove 5a are dug on the side surface at appropriate intervals along the longitudinal direction. The panel mounting base 5 is not limited to a synthetic resin, and may be made of metal. In the case of a metal, a hollow columnar body is used.

  The support 6 is made by sheet metal processing of a metal plate, and as shown by white arrows in FIG. 2A, the support 6 is parallel to the panel mounting base 5 so that it can be fitted from its side. It is formed in a U-shaped cross section comprising side wall portions (clasp pieces) 6a, 6a and a bottom wall portion 6c connecting them. In one side wall portion 6 a of the support 6, a plurality of harpoon holes (first wall surface panel side locking holes) 8 are opened at positions corresponding to the long holes 5 b of the panel mounting base 5. This daruma hole 8 is a hole in which a large-diameter portion 8a and a small-diameter portion (long hole portion) 8b are continuous in the vertical direction, its long axis is along the longitudinal direction of the support 6, and its length is the above-mentioned length. The major axis length of the hole 5b is substantially equal to or slightly larger. Further, the diameter of the large diameter portion 8a is substantially equal to or slightly larger than the width of the long hole 5b. When the support 6 is fitted to the panel mounting base 5 as described later (see FIG. 3), The daruma hole 8 and the elongated hole 5b are paired to form a first wall panel side locking portion 9 that conjugates them. A screw hole 6d is formed in the bottom wall portion of the support 6 for fixing the support 6 to the panel mounting base 5 with screws 6c (see FIG. 3).

  The support 6 is fitted to the panel mounting base 5 from the direction indicated by the white arrow in FIG. FIG. 2B shows a state in which the support 6 is semi-fitted and temporarily fixed. From this state, the protrusion 2b of the first wall surface panel W1 is directed to the concave groove 5a of the panel mounting base material 5, Further, by pushing the support 6, as shown in FIG. 3, the protruding portion 2 b is received in the concave groove 5 a and the bent base portion 2 a and the panel mounting base 5 are connected to the two parallel side wall portions 6 a, 6 a. The support tool 6 is fitted so as to be sandwiched between the two. Next, the support 6 is fixed to the panel mounting base material 5 by inserting the screw 6c into the screw hole 6d and fixing it to the panel mounting base material 5, whereby the panel mounting base material 5 is fixed to the first wall surface panel W1. It is made to adhere to the back surface of the side end portion. In this state, the daruma hole 8 and the elongated hole 5b are paired, and the first wall surface panel side locking portion 9 that conjugates them as described above is formed.

  The first wall surface panel W1 subjected to the side edge preparation processing as described above is corner-connected to the second wall surface panel W2 via the joiner 7 at the corner portion. The corner side wall portion 4a of the hollow column 4 fixed and integrated with the back surface of the side wall of the second wall panel W2 has a plurality of harpoon holes (second wall panel side locking holes along the longitudinal direction). ) 10 is provided at appropriate intervals along the longitudinal direction. The daruma hole 10 is a hole in which a large-diameter portion 10a and a small-diameter portion (long hole portion) 10b are continuously connected in the vertical direction, and constitutes a second wall surface panel side locking portion.

  The joiner 7 is an angle member made of metal (aluminum or the like) made of two orthogonal pieces 7a and 7a. The outer wall (the respective wall panels W1 and W2 side) of these orthogonal two pieces 7a and 7a has the first wall surface. A plurality of protrusions 11 and 12 corresponding to the panel side locking holes 9 and the second wall surface panel side locking holes 10 are provided. The projections 11 and 12 are formed in a cone shape in which the front side portions 11a and 12a having a large diameter and the base side portions 11b and 12b having a small diameter are continuous, and the diameters of the front side portions 11a and 12a are as follows. The diameter portion 8a of the daruma hole 8 and the inner diameter of the larger diameter portion 10a of the daruma hole 10 are made slightly smaller than the inner diameter of the base portion portions 11b and 12b, respectively. Slightly small.

  The first wall surface panel W1 and the second wall surface panel W2 are temporarily placed such that the side end portions thereof are close to the corner A or B of the unit bathroom as shown in FIG. Then, the joiner 7 is positioned between the wall surface panels W1 and W2 such that the plurality of protrusions 11 and 12 correspond to the large diameter portion 8a of the daruma hole 8 and the large diameter portion 10a of the daruma hole 10, respectively. The wall surface panel W1 and the second wall surface panel W2 are moved laterally so that the protrusions 11 and 12 are inserted into the large diameter portion 8a of the saddle hole 8 and the large diameter portion 10a of the saddle hole 10, and the side wall portion 6a of the support 6 and the hollow The corner side wall part 4a of the pillar 4 is united with the outer surface of the orthogonal two-part pieces 7a, 7a of the joiner 7.

  Thereafter, when the joiner 7 is moved downward so as to strike the upper end thereof, the base-side portions 11b and 12b of the projections 11 and 12 are moved to the respective saddle holes 8 and the small-diameter portions 8b and 10b of the saddle hole 10 as shown in FIG. Fit as shown by the dotted line. In this case, since the front side portions 11a and 12a of the protrusions 11 and 12 and the base side portions 11b and 12b having a small diameter are formed in a continuous cone shape, the protrusions 11 and 12 are inserted when the protrusions 11 and 12 are fitted. The slanted peripheral wall portion acts like a wedge to strongly engage the projections 11 and 12 with the daruma holes 8 and 10, and the panels W 1 and W 2 are coupled and connected very firmly via the joiner 7. And if the wet coking material (joint material) is filled in the X part shown in FIG. 1, the corner connection of the first wall surface panel W1 and the second wall surface panel W2 is completed.

  Thus, the corner connection of the first wall surface panel W1 and the second wall surface panel W2 is extremely simple and reliable. Therefore, it is possible to accurately respond to the desire to assemble and build unit bathrooms using different types of wall panels, and by selectively using wall panels according to the installation location etc., various unit bathrooms etc. Assembly construction can be realized.

  In addition, it is also possible to attach a connecting block straddling the first wall surface panel W1 and the second wall surface panel W2 as appropriate to the lower end and the upper end of the corner connecting portion to further strengthen the connection strength. Moreover, it is also possible to form a jig insertion hole as shown in FIG. If such a jig insertion hole is formed, the joiner 7 can be supported from the indoor side in assembling the unit bathroom as shown in FIG. 5, and the work efficiency can be improved. Further, in the examples, as the first wall panel W1 and the second wall panel W2, the base material is formed of a metal plate and the base material is formed of a non-metallic material such as a cement plate. Needless to say, the present invention can also be applied to corner connection between other types of wall panels different from each other.

It is a cross-sectional view which shows an example of the corner connection structure of the wall surface panel of this invention. It is a perspective view which shows the point which temporarily fixes a support tool to a panel attachment base material, (a) shows the previous step, (b) shows the state temporarily fixed. It is a perspective view which shows the point which supports a panel attachment base material on the side edge part bending part of a 1st wall surface panel, and supports a panel attachment base material by clamping with a support tool. It is a perspective view which shows the point which corner-connects a 1st wall surface panel and a 2nd wall surface panel via a joiner. It is a top view which shows an example of a unit bathroom. 6 (a) and 6 (b) are explanatory views showing another example of the conventional corner panel connecting structure of wall panels, and (a) is a corner portion between wall panels in which the surface of a metal substrate is covered with a resin sheet. The perspective view of the principal part which looked at the connection state in the room from the indoor side, (b) is the perspective view of the principal part which looked at the connection state in the corner part of the wall surface panels which made the base material the cement board from the outdoor side. .

Explanation of symbols

2 Panel material (surface decorative board)
2a Folding base 2b Projection 4 Hollow column 5 Panel mounting base 5a Concave groove 5b Long hole 6 Support 7 Joiner 8 Daruma hole (first wall panel side locking hole)
8a Large-diameter portion 8b Small-diameter portion 10 Daruma hole (second wall surface panel side locking hole)
10a Large diameter portion 10b Small diameter portion 11, 12 Protrusion 11a, 12a Front side portion 11b, 12b Base side portion W1 First wall panel W2 Second wall surface panel

Claims (3)

A first wall surface panel provided with a vertical protrusion on the back surface side of the side end portion, and a second wall surface panel integrally provided with a vertical hollow column on the back surface side of the side end portion; In the corner part,
A panel mounting base material provided with a concave groove for receiving the ridge portion and attached to the back surface of the side end portion of the first wall surface panel, the panel mounting base material, the ridge portion, and the ridge portion are bent. A support member that is formed by sandwiching a bend forming base portion formed by bending a panel material at a right angle to the back surface side for forming and a joiner having an L-shaped cross section, and the support member includes a plurality of first wall surfaces. The panel-side locking hole has a recess that is larger than the first wall-surface-panel-side locking hole in the panel mounting base material, and a plurality of second wall-panel-side engagements on the side wall of the hollow column of the second wall-panel. Stop holes are respectively provided along the longitudinal direction, and on the other hand, a plurality of protrusions corresponding to the respective locking holes are provided along the longitudinal direction on the outer surfaces of the orthogonal pieces of the joiner. By engaging a plurality of protrusions with the locking holes, the first wall panel and the second wall panel. The corner joint structure of the wall panel, characterized in that coupling through the joiner. In claim 1,
The first wall surface panel-side locking hole is a harpoon hole in which a large diameter portion and a small diameter portion formed in the support are continuous, and a recess formed in the panel mounting base corresponds to the daruma hole. And it consists of a long hole that is approximately the same width or slightly larger than the large diameter part, and the second wall surface panel side locking hole consists of a dart hole similar to the above that is established in the side wall of the hollow column, On the other hand, the protrusion formed on the joiner is composed of a front side portion having a slightly smaller diameter than the large diameter portion of each daruma hole and a base portion having a slightly smaller diameter than the small diameter portion of the daruma hole. Panel corner connection structure. In claim 2,
The said wall hole is formed so that a large diameter part may become an upper side and a small diameter part may become a lower side, The corner connection structure of the wall surface panel characterized by the above-mentioned.

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