JPS6340568Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a joining structure between abutting longitudinal end surfaces of flat long wall plates having a plurality of through holes in the longitudinal direction.

For example, cement,
Cement-based flat plate-like long wall panels are used, which are mainly composed of asbestos and lightweight aggregate. As shown in FIG. 1, a cement wall board 1 usually has a male part 2 and a female part 3 along both sides in the longitudinal direction. For the purpose of weight reduction, a plurality of through holes 4 and 5 are formed in the longitudinal direction by extrusion molding or the like. Note that the through hole 5 is the same as the through hole 4.
The reason why they are unevenly distributed on the back side of the wall board 1 is to improve the strength of the wall board in case of nailing, etc.

When the wall board 1 is horizontally attached to the main pillar or stud 6 of a building, it is possible to use a lumber joint as shown in Fig. There are cases in which torn joints (vertical joints are broken every other time) as shown in Figure 3 are used. Since the tear joint has more joints than the potato joint, the number of main pillars or studs 6 is usually increased.

Since real parts are formed on both sides of the wall board 1, there is no need to pay attention to the horizontal joints when it is installed horizontally, but there are many problems with the vertical joints. That is, when using the wall board 1 with a thickness of 15 mm as in this example, the practical joint width considering joint breakage is 4 to 12 mm (preferably 6 mm).
~10 mm) and the joint thickness is 6 to 7 mm, but the caulking agent 7 reaches the surface of the column 6 (thickness 15 mm) and also penetrates deeply into the through-holes at the ends of the wall panels, which do not need to be filled, making it uneconomical. be. On the other hand, when both ends of the through holes 4 and 5 are completely blocked by the caulking agent 7 that has entered the through holes, the air sealed inside the through holes expands or contracts due to external temperature changes. This can cause cracks in the caulking agent filled in the joints, causing rain to leak.

In the conventional joint structure proposed to improve the above-mentioned drawbacks, a hat-shaped (square-shaped cross-section) back-up material 8 is placed between the ends of the wall board 1 between the pillars 6 and 6, as shown in FIG.
The caulking agent 7 is filled into the voids on the outer surface of the backup material 8 by nailing the material. Although this structure prevents excessive use of caulking agent 7, there are still a large number of columns 6 to fix the back up material.
Moreover, since it closes both ends of the through holes 4 and 5 together with the backup material 8 to seal the air inside, it causes cracks to occur in the caulking agent as described above.

The purpose of the present invention is to eliminate the drawbacks of conventional structures.

According to the present invention, the above object is achieved by a flat long wall having a plurality of through holes in the longitudinal direction located approximately at the center in the thickness direction or unevenly located on the front side or back side of the wall plate. A joint structure of wall plates that receives a caulking agent by joining the butt ends of the plates in the longitudinal direction through a joiner, wherein the joiner is connected to the wall plate having a width slightly narrower than the interval between the end faces of the wall plates, and It is formed by a strip plate extending across the width of the strip plate, and at both ends of the strip plate, there are couplings that loosely fit into through holes located approximately in the center of the thickness direction of the opposing end surfaces of the wall plate. and a loose-fitting vertical plate standing upright at the tip thereof so as to close the through hole with a slight gap on the back side of the strip plate, and connecting the strip plate, the connecting portion, and the loose-fitting vertical plate. and are integrally formed in a cross-sectional or H-shape, and on the other hand, in the part where the through holes are unevenly located on the front side or the back side of the wall board, there is no connection part for loose fitting, and the through holes are formed with a slight gap. A vertical plate is provided to close the vertical plate, and at least one bent length adjusting portion is provided in a strip portion between adjacent loosely fitted vertical plates or between a loosely fitted vertical plate and the vertical plate. This is achieved by the joint structure of the wall panels.

The present invention will be described below with reference to Examples.

In FIGS. 5 to 12, the through hole 4 provided at the central position in the thickness direction of the wall plate 1 is formed to have a substantially square cross section, and the lower surface 4A of the square through hole 4 is formed for convenience in extrusion molding of the wall plate. The upper surface is not a smooth surface but a concave surface. The cross-sectional shape of the through-holes 5 provided at unevenly located positions on either the front or back side of the wall plate 1 (unevenly distributed on the back side in Fig. 6) may be arbitrarily selected, but may vary depending on molding, wall plate mounting, or joiner. A flat rectangular shape is convenient in combination.

The jointer 10 used in the present invention has a structure in which the wall plates 1 and 1 are connected between the longitudinal end surfaces of the adjacent wall plates 1 and 1.
The strip plate 1 is disposed on a plane substantially including the lower surface 4A of the rectangular through hole 4, and has a length substantially equal to the width L of the wall plate 1 and a width w slightly narrower than the end face interval W.
1. On both side edges of the strip plate 11 in the portion facing the rectangular through hole 4 of the wall plate 1, connecting portions 12 of a slightly longer length extend outward on both sides, and at the edge of each connecting portion 12. A loose fitting vertical plate 13 extending upward is provided upright. Therefore, the strip 11,
The connecting portion 12 and loosely fitting vertical plate 13 constitute a shaped cross section. The loosely fitting vertical plates 13 are loosely fitted into the opposing rectangular through holes 4, and the width and height of the loosely fitting vertical plates 13 are slightly smaller than the width and height of the rectangular through holes 4.

In addition, when the through holes 5 are provided at unevenly distributed positions on the bottom side of the wall plate 1, the strip plate 11 in the portion facing them
A vertical plate 14 is formed by bending the vicinity of both side edges toward one side (upward in FIG. 6). The strap plate 11, the connecting portion 12, the loosely fitting vertical plate 13, and the vertical plate 14 are integrally formed of a corrosion-resistant metal such as an aluminum alloy or a plastic material. The jointer 10 formed in this manner is arranged between the butt end faces of the wall plate 1, and the loosely fitted vertical plate 13 portion thereof is inserted into the rectangular through hole 4 of the opposite end face of the wall plate 1, and the unevenly distributed through hole is inserted. 5 part is covered with a vertical plate 14 leaving a slight gap.
Further, the portion of the strip plate 11 facing the male part 2 and the female part 3 of the wall plate 1 is appropriately extended, and is also arranged on a plane substantially including the lower surface 4A of the rectangular through hole 4 of the wall plate 1.
In this way, a joint having a width of 6 to 10 mm and a depth of 6 to 7 mm is formed between the opposing longitudinal end surfaces of the wall plates 1 and the surface of the strip plate 11. A fluid caulking agent 7 is filled into this joint. In the width direction, the filler 7 is dammed on the outer side of the joint by the outer part of the loosely fitting vertical plate 13 than the band plate 11 and the end face of the wall plate 1 near the opening of the through hole 5. 13 enters the rectangular through hole 4 by a small distance via the connecting portion 12, so that the joint is prevented from coming off even if there is no stud or the like. On the inside side of the joint, that is, on the back side of the strip plate 11, there is a slight gap between the bottom surface of the loosely fitting vertical plate 13 and the lower surface 4A of the square through hole 4 based on the concave surface of the lower surface 4A, and the filler 7 is blocked by the strip plate 11 so that it does not turn to the back side of the strip plate, and the vertical plate 14 covers the through hole 5 (the lower surface of the through hole 5 is also a concave surface like the lower surface) so that air can communicate with it. Therefore, air is not enclosed within the rectangular through holes 4 and 5.

In the embodiment of FIGS. 13 and 14, the strip 11
The flat surface on which the rectangular through hole 4 is disposed is a plane passing approximately through the center line in the thickness direction of the rectangular through hole 4, and the loose fitting vertical plate 13 is extended vertically through the connecting plate 12 to connect the strip plate 11, the connecting plate 12, and the loose fitting. The fitting vertical plate 13 constitutes an H-shaped cross section, and gaps are provided between the top, bottom, left and right of the through hole 4 and the loose fitting vertical plate 13 loosely fitted in the square through hole 4, as described above. This is different from the example. Further, in this case, air circulation is good even if only the lower surface of the rectangular through hole 4 is not made into a concave surface.

Since the width w of the strip plate 11 is narrower than the end face distance between the wall plates 1, 1, even if the wall plate 1 expands in the longitudinal direction due to outside air temperature, the expansion allowance is compensated by the narrow joiner 10. I can do it. However, when the joiner 10 expands and contracts in its longitudinal direction due to changes in the temperature of the outside air, the positions of the loosely fitting vertical plates 13 and the opposing square through holes 4 are no longer aligned. Therefore, in the present invention, the strip plate 11 between the adjacent loosely fitted vertical plates 13 is
At least one curved, triangular, etc. bent adjustment part 15 is formed on the top.

Since the present invention is configured as described above, it is possible to apply caulking agent to a desired depth on the outdoor side of the joint, and the filled caulking agent does not penetrate into the through holes of the wall board more than necessary, making it possible to use caulking agent economically. can be used for. In addition, since both ends of the through hole are locally communicated with air inside the joiner, that is, on the back side, the caulking agent is not damaged by thermal expansion of the air inside the through hole. Furthermore, even if the jointer itself expands and contracts due to temperature changes, or if there is an abnormality in the through-hole spacing during wall plate forming, the curved part will adjust the position of the loosely fitted vertical plate and the rectangular through-hole. will not shift.

[Brief explanation of the drawing]

Figure 1 is a sectional view of the wall plate used in this invention, Figure 2
Figures 3 and 3 are schematic front views showing two examples of joints in a horizontal wall panel structure, Figure 4 is a sectional view showing a conventional joint structure, and Figures 5 to 12 are used in the present invention. The first embodiment of the Joyner, of which the fifth
The figure is a plan view of the joiner, and Figure 6 is a side view showing the joiner shown in Figure 5 attached to the end surface of the wall board.
Figures 7 to 11 are lines 7-7 of Figure 6, respectively;
8-8 line, 9-9 line, 10-10 line and 11-1
12 is a perspective view showing a part of the joiner of FIG. 5, and FIGS. 13 and 14 show a second embodiment of the joiner of the present invention, of which FIG. A view similar to FIG. 12 and FIG. 14 are partial side views showing a state in which the joiner is attached to the end surface of a wall board. DESCRIPTION OF SYMBOLS 1...Wall plate, 4...Square through hole, 10...Joiner, 11...Strip plate, 12...Connection part, 13
...Loose fitting vertical plate, 15...Length adjustment section, W...
End face spacing of wall boards, w...width of joiner, L...
Width of wallboard.

Claims (1)

[Scope of utility model registration request] A jointer is used between the longitudinal butt ends of a flat long wall plate that has a plurality of through holes in the longitudinal direction located approximately in the center of the thickness direction or unevenly located on the front or back side of the wall plate. A joint structure of wall boards that receives caulking agent by joining through the
The joiner 10 is connected to the end face distance W of the wall plate 1.
It is formed by a band plate 11 having a width W slightly narrower than that of the wall plate 1 and extending over the width L of the wall plate 1, and at both side edges of the band plate, there is a substantially central portion in the thickness direction of the opposing end surface of the wall plate. In the through-holes 4 located at , there are connecting portions 12 that loosely fit into the respective connecting portions 12 , and a loose-fitting portion that stands at the tip so as to close the through-holes with a slight gap at least on the back side of the strip plate 11 . Vertical board 1
3, the strip plate 11, the connecting portion 12, and the loose fitting vertical plate 13 are integrally formed in a cross-sectional or H-shape, and on the other hand, through holes are unevenly located on the front side or the back side of the wall plate 1. The vertical plate 14 that closes the through hole with a slight gap is provided without a connecting part for loose fitting, and further between adjacent loose fitting vertical plates 13 or between loose fitting vertical plates 13. A wall board joining structure comprising at least one bent length adjusting part 15 in a part of a strip 11 between the vertical board 14 and the vertical board 14.