JPH04333758A - Longitudinal joint structure - Google Patents

Abstract

PURPOSE:To prevent the occurrence of bedewing through prevention of the occurrence of heat bridging between a batten and a decorative cap, to improve workability, poductivity, and a mounting strength, and to provide a wall body with performance capable of passing a fireproofing and fire resisting structure test, in a joiner for a longitudinal joint comprising two members. CONSTITUTION:In a joiner A for a longitudinal joint made of a metal comprising two members, engagement between a batten B and a decorative cap E is effected by an engaging member D made of synthetic resin, and the engaging member D is formed in a J-shape in cross section and engaging claws in a plurality of stages are formed on the inner surface thereof. The engaging member D fixes the batten B, formed integrally with a main body part C made of a metal, to a body 2 and thereafter, wall materials G are fixed to the two ends of the batten B. The decorative cap E is then formed integrally with the engaging member D.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of longitudinal joints, i.e., vertical joints, of dry wall materials (hereinafter simply referred to as wall materials) used in architecture and structures.

0002

[Prior Art] Generally, wall materials are formed in a sandwich structure with a metal plate as the surface material, a synthetic resin foam as the core material, and a sheet-like material as the back material, or wall materials made of inorganic materials are used. When a wall is formed in a tensioned manner, joints formed by butting the wall materials in the longitudinal direction, so-called vertical joints, are formed.
Publication No. 0661, ■ Japanese Utility Model Publication No. 1983-14833, ■
Japanese Utility Model Publication No. 64-41542, ■ Utility Model Publication No. 1-1547
No. 26, Japanese Utility Model Publication No. 1-102325, etc.

0003

[Problem to be solved by the invention] However, the above
~■ The padding board is made of synthetic resin and the decorative cap is made of metal, and since the padding board is made of synthetic resin, the heat from the decorative cap does not propagate to the structure, and no condensation occurs on the structure. However, it was impossible to pass the fireproof structure test and the fireproof structure test if the plinth panels were made of synthetic resin. In addition, (2) is a two-metal structure, which has drawbacks such as dew condensation occurring inside the structure due to thermal bridges and corroding the structure. Furthermore, it is very difficult to use a metal plate for the baffle plate and form multiple stages of fitting claws in the fitting portion, and it has not been possible to form the metal plate with the precision that can be achieved with an extruded product made of synthetic resin.

0004

[Means for Solving the Problems] In order to eliminate such drawbacks, the present invention provides a siding plate formed from a horizontal nail driving piece and a fitting portion into a substantially inverted T-shaped cross section, and a decorative surface portion. In a joiner for vertical joints, which is composed of two members: a decorative cap formed into a substantially T-shaped cross section from a and an engaging part, and whose cross section is formed into an E-shaped cross section by combining the decorative cap and a siding board.
By inserting and integrating a fitting member made of synthetic resin, approximately J-shaped in cross section, and having multiple stages of fitting claws protruding inward from the inner surface of the internal insertion groove, into the fitting groove of the main body of the board. After fixing the siding board, install the wall material, and after installing the wall material, fit the engaging part of the decorative cap into the fitting part of the siding board to facilitate construction and create a fireproof structure. It has fire resistance that can pass the fireproof structure test, eliminates thermal bridges between the decorative cap and the batten board, and prevents condensation from forming on the frame side.
Furthermore, the present invention relates to a vertical joint structure that forms vertical joints with improved workability and design.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical vertical joint structure according to the present invention will be explained in detail below with reference to the drawings. FIG. 1 is a sectional view showing the above-mentioned vertical joint part, where A is a joiner for vertical joints (hereinafter simply referred to as a joiner), and C and D are main parts that are the constituent materials of the siding board B for constructing the joiner A. and a fitting member, and E is a decorative cap for constructing the joiner A.

As shown in FIGS. 2, 3, and 4, Joiner A is a long metal plate (color steel plate, aluminum plate, PVC steel plate, stainless steel plate, copper plate, titanium plate, sandwich steel plate, clad steel plate, etc.). Alternatively, it is composed of three members: a main body C, a fitting member D, and a decorative cap E, which are formed from a synthetic resin plate by roll molding, press molding, extrusion molding, injection molding, or the like.

As shown in FIG. 5, the paving plate B is made by fitting the main body C and the fitting member D in the figure, or by bonding with an adhesive, heat-sealing the fitting member D, or molding (not shown). , etc.

As shown in FIG. 2, the main body C includes a horizontal nailing piece 1, a waterproof protrusion 2 formed on the nailing piece 1, and
A fitting portion consisting of two guide pieces 4 projecting upward from approximately the center of the nailing piece 1, a fitting groove 5 between the guide pieces 4, and a fitting piece 6 with the tip of the guide piece 4 bent inward. It consists of 3.

[0009] The nailing piece 1 is a portion for fixing the paving board B onto the building frame α via fixing devices β such as nails. Further, the fitting portion 3 is for accommodating a fitting member D, which will be described later, and for preventing it from coming off from the fitting groove 5. Further, the guide piece 4 functions as a guide for the fitting member D, provides elasticity, and serves as a contact surface and a waterproof surface when the wall material G is installed.

The fitting member D is a long piece as shown in FIG. 3, or a short piece (not shown in the figure) depending on the shape of the engaging claw 14 of the cosmetic cap E (in this case, a plurality of pieces are used).
As shown in the figure, by integrating with the main body part C, the paving board B
It constitutes.

The material of the fitting member D is an extruded synthetic resin, such as polyethylene, polypropylene, vinyl chloride resin, styrene resin, methacrylic resin, polyurethane, phenol resin, urea resin (urea resin), melamine resin, or fluorine resin. It is made of a type of resin, silicone resin, fiber-reinforced plastic, etc. Note that extruded vinyl chloride products are good in terms of productivity, price, and performance.

Further, the fitting member D has a substantially J-shaped cross section, has an insertion groove 7 inside, and has a plurality of fitting claws 8 on the inner surface on the long piece 7a side. The engaging claws 14 of the engaging pieces 13 of the decorative cap E, which will be described later, are locked by the multiple stages of engaging claws 8, and the padding plate B and the decorative cap E are integrated.
It engages with. Further, the short piece 7b is formed with elasticity in the fitting groove 5 of the main body portion C, so that it is difficult to separate, and is intended to facilitate insertion into the fitting groove 5.

As shown in FIG. 4, the decorative cap E has a long shape with a length of, for example, 909 to 7272 mm, or a length corresponding to the width of the wall material G, and has a cross section from the decorative surface portion 9 and the engaging portion 12. It is formed into an approximately T-shape. This decorative surface section 9 consists of a horizontal horizontal surface 10 and inclined decorative surfaces 11 provided on both sides of the horizontal surface 10, and the horizontal surface 10 covers the ends of the wall material G at the vertical joints of the wall as shown in FIG. However, it is a part that improves the design, and the inclined decorative surface 11 is in close contact with the wall material G in line contact, thereby improving waterproofness and design.

The engaging portion 12 consists of an engaging piece 13 projecting downward from approximately the center of the decorative surface portion 9, and an engaging claw 14 projecting outward at the tip or midway of the engaging piece 13. When the engagement piece 13 is inserted into the insertion groove 7 of the padding board B, the engagement claw 14 is combined with the engagement claw 8 to strengthen the engagement force. Note that the engaging claw 14 is formed by drawing processing (
Alternatively, although not shown, it is also possible to partially bend the ends of the engaging pieces 13 to form them at intervals, or to form them continuously in the longitudinal direction of the decorative cap E.

[0015] Here, the dimensional relationship of each part will be briefly explained. Therefore, as shown in Figure 1, the joint width between wall materials G is
1. In the main body C, the width between the guide pieces 4 is W2, the width of the fitting groove 5 is l1, the height from the innermost part of the fitting groove 5 to the fitting piece 6 is h1, h2, and the guide from the waterproof protrusion 2 is The height to the tip of piece 4 is h3, and the width at fitting member D is l2.
, the height of the long piece 7a is h4, and the height of the short piece 7b is h5.
, in the decorative cap E, when the width of the decorative surface portion 9 is W3 and the thickness of the wall material G is d, W1 < W3 , W1 ≒ W
2, l1≒l2, h1≒h4, h2≒h5
, h3 > d.

Next, the construction method will be briefly explained using FIG. First, use the fixing tool β to drive the nailing piece 1 of the siding board B into the part where the joiner A is used on the wall base ground where the sheet material F is laid on the frame α consisting of the studs, main pillars, and rim. , fixed. Next, the wall material G is sequentially brought into contact with the left and right sides of the guide pieces 4 of the siding board B, and is fixed to the wall base ground via the fixtures β, and the wall material G is constructed from the base to the girder. Next, the engaging portion 12 of the decorative cap E is pushed into the insertion groove 7 of the batten board B, and the engaging claw 14 and the fitting claw 8 are engaged to form a vertical joint as shown.

What has been described above is only one embodiment of the vertical joint structure according to the present invention, and FIGS. 6(a) to (f) and FIG. 7(a)
~(e), a paving board B as shown in FIGS. 8(a) to (f),
It is possible to form a decorative cap E as shown in FIGS. 9(a) to (e) and FIGS. 10(a) to (d), and a joiner A as shown in FIGS. 11(a) to (c). can. Especially figure 8
(e) and (f) show the batten board B integrally formed by molding, Fig. 10 (c) and (d) show the decorative cap E made of aluminum extrusion, and Fig. 11 (a) show the protruding corner part, ( b) shows the joiner A used at the inside corner, and (c) shows the joiner A used at the end. Further, a caulking material H can also be formed as shown by the dotted line in FIG.

[0018]

[Effects of the Invention] As described above, according to the vertical joint structure of the present invention, (1) the main part of the metal slat plate and the metal decorative cap are fitted together through a fitting member made of synthetic resin; Since there is no thermal bridge between the decorative cap and the main body, no condensation occurs inside the body on the back of the body, and corrosion of the body can be prevented. ■Only the mating members of the battens are made of synthetic resin, and have the ability to pass fireproof structure tests and fireproof structure tests. ■Since the fitting member is an extruded product made of synthetic resin, it can be formed into any shape, and it is easy to form multiple stages of fitting claws. ■Multi-stage mating claws are formed on the mating member, so
The engagement depth can be adjusted depending on the thickness of the wall material. ■The engagement between the fitting claw of the synthetic resin fitting member and the engagement claw of the metal cosmetic cap is reliable and strong. ■The synthetic resin fitting member is held down by the guide piece of the metal main body, and when the cosmetic cap is engaged, the flexibility of the synthetic resin fitting member and the guide piece of the metal main body are Due to its elasticity, engagement is easy and reliable, and workability is good, and the decorative cap does not fall off after installation. (2) Since the short pieces of the fitting member are always elastically applied within the fitting groove of the main body, they are difficult to separate from and are easy to insert into the fitting groove. It has the following characteristics and effects.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment of a vertical joint structure according to the present invention.

FIG. 2 is a perspective view showing an example of the main body of a siding board, which is a component of the vertical joint joiner.

FIG. 3 is a perspective view showing an example of a fitting member for a siding board, which is a component of a joiner for vertical joints.

FIG. 4 is a perspective view showing an example of a decorative cap that is a component of the vertical joint joiner.

FIG. 5 is a perspective view showing an example of a plinth plate that is a component of the vertical joint joiner.

FIG. 6 is a cross-sectional view showing another example of the paving board.

FIG. 7 is a cross-sectional view showing another example of the paving board.

FIG. 8 is a cross-sectional view showing another example of the paving board.

FIG. 9 is a perspective view showing another example of the cosmetic cap.

FIG. 10 is a perspective view showing another example of the cosmetic cap.

FIG. 11 is a sectional view showing another example of a vertical joint joiner.

[Explanation of symbols]

A Joiner for vertical joints B. Padding board C Main part D Fitting member E Cosmetic cap F Sheet-like material G Drywall material

Claims (1)

[Claims] Claim 1: A vertical joint structure formed by longitudinally abutting drywall materials for horizontal installation, comprising a horizontal nailing piece and two nailing pieces with the center part of the nailing piece protruding upward. A guide piece is formed, and a fitting part is formed from a fitting groove having a substantially U-shaped cross section formed by the guide piece, and a fitting piece protruding from the inner surface of the fitting groove. A main body part, and a synthetic resin fitting member that is inserted and integrated into the fitting groove of the main body part and has a roughly J-shaped cross section and a plurality of fitting claws protruding from the inner surface. It is formed into a substantially T-shaped cross section, consisting of an elongated decorative surface portion and an engaging portion formed protruding from the center of the back surface of the decorative surface portion, and is formed on both sides or one side of the engaging portion. and a decorative cap provided with engaging claws that protrude outward, and the back side of the nailing piece of the siding board is fixed in contact with the wall base, and a dry type cap for horizontal installation is attached to the wall base. The wall material is arranged and fixed on the left and right sides of the guide piece, and then the engaging portion of the decorative cap is engaged with the insertion groove of the fitting member of the siding board, and is locked by the engaging claw and the fitting claw. A vertical joint structure characterized by covering the edges of the drywall material.