JP2565441Y2 - Column-beam joint structure in wooden buildings - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to pillars for wooden buildings.
It relates to improvement of beam connection structure.

[0002]

2. Description of the Related Art In a wooden building, as a joining structure where two pieces of timber are joined, there are a joining structure of a column and a beam or a girder, a joining structure of a column and a base, a beam or a girder. Joint structure of horizontal members such as in series or orthogonal direction,
There are various types of joint structures, such as joint structures at the tops of a pair of left and right diagonal members that form a triangular shape of a truss in combination with a joint or a beam. Conventionally, the joining of two pieces of wood in these various joining structures is performed by processing such as chopping and drilling, by joining metal fittings such as nails, bolts and nuts, dowels, flange plates, and by adhesives. Various types are known, such as those using the same.

[0003]

The above-mentioned various types of conventional joints have been developed and adopted for joining general wood, i.e., Muku material, and have given a certain effect. It is recognized. However, this type of joining has recently been attracting attention and is being used for structural joints in large-scale wooden buildings that use structural glued laminated timber for the main structural parts. It is not always satisfactory because it has disadvantages such as the metal fittings being exposed on the outer surface, being unsightly, and having a complicated structure. The main purpose of the present invention is not only for wooden buildings using general timber but also for large-scale wooden buildings using structural glued laminated lumber, without impairing the appearance of the column-beam joint structure, and making it extremely simple. It is to provide a sufficiently satisfactory tightening strength by a structure.

Another object of the present invention is to insert a wedge vertically into a wedge hole vertically drilled at the joint end of the beam, that is, a vertically installed wedge hole, as a means for tightening the column / beam joint structure. In this case, there is a disadvantage that the worker must hit the driving wedge from above, on the beam or on a scaffold assembled to the required height corresponding to the beam. To improve. Still another object of the present invention is that the cross-sectional shape of the beam is generally a vertically long rectangle having a width smaller than the height (thickness). The object is to improve that the continuous portion becomes large and the strength of the portion is weakened accordingly.

[0005]

The structure of the column / beam joint structure of the present invention is as follows.

[0006] The joint fitting c establishes a column mounting side wall 2 and beam fitting side walls 3 and 3 on the bottom plate 1 and forms a box with one side surface and an upper surface opened, and the beam fitting side walls 3 and 3 are formed. In addition, wedge window holes 4 and 4 are opened at positions facing each other. A pillar a horizontally attaches the joint fitting c to a side surface thereof by a pillar mounting side wall 2 thereof. Beam b is joining end face 11 ₁ and the bottom surface 11 and the flat empty treatment 12 that the required size and _{shape 2} is opened to accept a and the bottom plate 1 is provided with, the joining end face 11 ₁ and the top surface 11 ₃
Vertical groove 1 which is open to
3 _{2 and} 13 ₂ are formed continuously with each other, and the wedge insertion lateral hole 14 is further formed with a left and right opening by a beam b.
The left and right side surfaces 11 _4, 11 ₅ and is opened, therefore,
In the state of crossing the longitudinal grooves 13 _2, 13 _2, moreover, it is formed through the position corresponding to the Kusabimadoana 4,4 of the joint device c. The beam b is, longitudinal grooves 13 ₂ of the fitting air treatment 10, 13 ₂
The causes fitted to the beam engaging the side walls 3, 3, the horizontal wedges 16 implanted in the wedge insertion lateral holes 14 and Kusabimadoana 4,4 inserting pouring, thereby, the joint end face 11 ₁ of the pillars a It is pressed against the side.

[0007]

The beam b is supported above a joint fitting c horizontally mounted and fixed to the column a, and the fitting space 10 for the fitting b is supported.
Longitudinal grooves 13 _2, 13 ₂ is fitted to the beam engaging the side walls 3, 3, further Kusabimadoana wedge insertion lateral hole 14 and the joint device c of the beam b 4,
By the horizontal wedge 16 to insert pouring implanted in 4, firmly pressed against the end face 11 ₁ to the side of the pillar a.

The driving laterally long wedges 16 are provided on the left and right side surfaces 11 of the beam b.
_4, 11 ₅ because it is sufficient horizontally inserted pouring into the wedge insertion lateral hole 14 which opens to its striking設作industry, unlike the case of wedge vertically inserted pouring implanted in a wedge hole and Tate設the beam It can be easily done by hitting from the side without having to get on that beam or high scaffold. Further, the wedge insertion lateral hole 14, left and right side surfaces 11 ₄ of the beam b as described above, 11 because ₅ is the lateral set by opening the cross-sectional shape is the height (thickness) Vertical width is small with respect to rectangular The number of discontinuous portions generated in the beam is reduced as compared with the case where the wedge holes are provided vertically, that is, vertically, and therefore, the strength can be improved accordingly.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment shown in FIGS. “a” is a column, “b” is a beam to be joined to the side surface of the column “a” (also used in this specification, including “girder”), and “c” is a joint fitting. The joining metal fitting c is provided on three sides excluding the short side on one side of the rectangular bottom plate 1, that is, on the short side on the other side and the long side on both sides. Was established,
It forms an integral box with one short side edge side and the top surface open.

The pillar mounting side wall 2 has a flange piece 21
Is protruding. In addition, the beam fitting side walls 3 and 3 are provided with wedge window holes 4 and 4 at, for example, three steps at positions facing each other. Reference numeral 5 denotes a bolt insertion hole formed in the column mounting side wall 2 at a required interval. The height h of the box-shaped joint fitting c is the same as the height (thickness) h ′ of the beam b, but the width w is smaller than the width w ′ of the beam b.

In the joint fitting c having such a structure, the bottom plate 1, the column mounting side wall 2 and the beam fitting side walls 3 and 3 are separately prepared, and they are assembled by an appropriate means such as welding or screwing, or the whole is integrated. It can be easily manufactured either by molding.

The pillar a has a flange insertion groove 6 formed in a beam joining portion on the side surface thereof, and a bolt insertion hole 7 is arranged so as to coincide with the bolt insertion hole 5 of the column mounting side wall 2 and penetrated therethrough. Has been installed.

A joining fitting c is attached to the pillar a as follows. That is, the metal joint c the flange piece 2 ₁ of the column mounting sidewall 2 is inserted into the flange insertion groove 6, the distal end of the pillar a bolt 8 which is inserted into the bolt insertion holes 5 and 7 from the inside of the junction fitting c It is projected to the opposite side, and a tightening nut 9 is screwed and tightened to the tip thereof, whereby the joint fitting c is horizontally and firmly fixed to the column a (FIG. 3). The head end 8 ′ of the bolt 8 is of course located inside the pole mounting side wall 2.

At the joint end of the beam b, a fitting cavity 10 having substantially the same shape as that of the joint fitting c having the above structure is formed. The fitting air treatment 10 is intended for fitting to the joint fitting c were mounted and fixed to the column a as described above, provided is opened to the joining end face 11 ₁ and the bottom surface 11 ₂ of the beam b and the and squamous empty punished 12 to the desired size and shape for receiving the bottom plate 1, to accept the head end 8 'of the column mounting sidewall 2 and the bolt 8 be open to the joining end face 11 ₁ and the top surface 11 ₃ the longitudinal grooves 13 _1, made by each other continuously forming a longitudinal groove 13 _2, 13 ₂ which opens in an upper surface 11 _3.

Reference numeral 14 designates the left and right openings of the left and right side surfaces 1 of the beam b
1 _4, 11 ₅ and is opened, therefore, the longitudinal grooves 13 _2, 1
3 ₂ wedge insertion transverse hole penetrating formed in the state across the,
As will be described later, a plurality of steps are provided at positions corresponding to the respective wedge window holes 4 and 4 of the joint fitting c so as to have the same size as the wedge window holes 4 and 4.

The joining of the beam b to the column a is performed as follows. The joint end of the beam b is supported above the joint fitting c fixed and attached to the column a as described above.
0 flutes 13 ₁ with fitted pillar mounting the side wall 2 of, down while fitting the flutes 13 _2, 13 ₂ the beam engaging the side walls 3,3. As a result, the upper surfaces of the pillar mounting side walls 2 and the beam fitting side walls 3 and 3 of the joint fitting c are aligned with the upper surface 11 _{3 of the} beam b.
And become flush, and the wedge insertion lateral hole 14 described above corresponds matched each wedge window hole 4, 4 of the beam engaging the side walls 3, 3, furthermore, the longitudinal grooves 13 ₁ of the bolt 8 inside the Position the head end 8 '(FIG. 4).

Subsequently, the correspondingly matched wedge insertion lateral holes 14
The wedge guide piece 15 and the driving laterally long wedge 16 are inserted through the wedge window hole 4. Wedge guide piece 15 is the same length as the width w 'of the beam b, and that of tapered and the other side surface 15 ₂ of the inclined surface with respect to one side surface 15 _1, Harihamago on one side surface 15 ₁ Recessed grooves 15 ', 15' are formed in the side walls 3, 3 so as to fit into the edges of the wedge window holes 4, 4. Horizontal wedge 16 implant is sufficiently longer than the width w 'of the beam b, and the other side surface 16 ₂ with respect to one side surface 16 ₁
Is an inclined surface.

In inserting the wedge guide piece 15 and the driving laterally long wedge 16 into the wedge insertion lateral hole 14 and the wedge window hole 4, first, the wedge guide piece 15 is inserted into the concave grooves 15 'and 15'. a rim of the window opening 4, 4 and inserted to laterally bridged to the insertion lateral hole 14 and Kusabimadoana 4 in a state that is fitted to the rim of the joining end face 11 ₁ side of the beam b (FIG. 4). Thereafter, implanted Horizontal wedge 16, the other side surface 16 ₂ that the inclined, implanted while in sliding contact with the other side surface 15 ₂ are inclined wedge guide piece 15 (FIG. 4).

Due to the driving of the driving laterally long wedge 16, the entire beam c moves toward the column a with respect to the joint fitting c.
Pressed against the joining end face 11 ₁ to the side of the pillar a. The crimping is
When complete, the left and right sides 11 ₄ , 1 of the beam c
Both ends of the driving wedge 16 protrudes to cut off with a saw outwardly of 1 ₅ (Fig. 5).

A cover plate (not shown) is placed on the beam b which has been joined to the column a, and is screwed to the upper end surfaces of the beam fitting side walls 3 and 3 of the joint fitting c. It is possible to close the gap between the joint fittings c and the fitting space 10 and protect the portion, and to further strengthen the connection between the beam b and the joint fitting c.

Next, a second embodiment shown in FIGS. The second embodiment, 'that you have Ho設form, beam b' column a 'is joined fittings c on its side' rest recess 6 for receiving a post mounting side wall 2 of the vertical to the joint end face 11 ₁ Groove 14 ₁
It does not form a joint device c 'is, in that no projecting the Tsubahen 2 ₁ to the upper end of the pillar mounting sidewall 2, different from the first embodiment, other configurations are the first embodiment Is the same as

The fixing of the joint fitting c 'to the column a' in the second embodiment is performed by fitting the required length of the end on the side where the column mounting side wall 2 is located to the recess 6 '. Is the same as the method of attaching and fixing the joint fitting c to the column a in the first embodiment, and the method of joining the beam b 'to the column a' is not different from that of the first embodiment. In order to avoid the trouble, the same parts are denoted by the same reference numerals, and description thereof will be omitted.

[0023]

[Effect of the invention] As is clear from the above,
According to the present invention, the following effects can be obtained. While supporting the beam above the joints that are mounted and fixed horizontally on the columns,
The vertical groove of the fitting space is fitted to the beam fitting side wall of the joint fitting, and further, the long wedge is driven and inserted into the wedge insertion lateral hole of the beam and the wedge window hole of the joint fitting. Can be firmly pressed against the side surface of the pillar.

The driving lateral wedges may be horizontally driven and inserted into wedge insertion lateral holes opened on the left and right side surfaces of the beam. Therefore, the driving operation is performed by vertically driving the driving wedge into the vertically installed wedge hole in the beam. Unlike the case of installation and insertion, it can be easily performed by hitting from the side without getting on the beam or the high scaffold. Also,
As described above, the wedge insertion horizontal holes are opened laterally on the left and right side surfaces of the beam, so that a discontinuous portion generated in a beam having a vertically-long rectangular cross section whose width is small with respect to height (thickness). However, the strength is reduced as compared with the case where the wedge holes are provided vertically, that is, vertically, and accordingly, the strength can be improved accordingly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of a column / beam joint structure of a wooden building according to the present invention.

FIG. 2 is a perspective view of the same disassembled state.

FIG. 3 is a perspective view showing a state in which the above-mentioned joint fitting is attached to a pillar.

FIG. 4 is a cross-sectional view of a main part of the joint structure, showing a state in which a driving laterally long wedge is to be driven and inserted.

FIG. 5 is a cross-sectional view of the essential part in a state in which the driving laterally long wedge has been driven and inserted.

FIG. 6 is an exploded perspective view of a second embodiment of the column / beam joint structure of the wooden building of the present invention.

FIG. 7 is a cross-sectional view of a main part of the bonding structure, showing a state in which a driving laterally long wedge is to be inserted.

FIG. 8 is a cross-sectional view of the essential part in a state in which the driving laterally long wedge has been driven and inserted.

[Explanation of symbols]

a pillar a 'pillar b beam b' beam c joining fitting c 'joining fitting h joining fitting height h' beam height (thickness) w joining fitting width w 'beam width 1 bottom plate 2 pillar mounting side wall 2 ₁ Flange piece 3 Beam fitting side wall 4 Wedge window hole 5 Bolt insertion hole 6 Flange insertion groove 7 Bolt insertion hole 8 Bolt 8 'Bolt head end 9 Tightening nut 10 Fitting space 11 ₁ Joint end face of beam 11 ₂ Beam Bottom surface 11 ₃ Upper surface of beam 11 ₄ Side surface of beam 11 ₅ Side surface of beam 12 Flat empty space 13 ₁ Vertical groove 13 ₂ Vertical groove 14 Wedge insertion horizontal hole 15 Wedge guide piece 15 ₁ One side 15 ₂ Other side 15 'Recessed groove 16 Driving horizontal wedge 16 ₁ One side 16 ₂ Other side

Claims (6)

(57) [Scope of request for utility model registration] 1. A joint fitting is provided with a column mounting side wall and a beam fitting side wall on a bottom plate, forming a box with one side and an upper surface opened, and forming a wedge window hole in the beam fitting side wall. That the pillar is horizontally attached to the side surface of the joint by its side wall, and that a beam is provided with an opening at the joint end surface and the bottom surface and that the required size for receiving the bottom plate is provided. And a fitting cavity formed by continuously forming a vertical groove which is open on the joint end face and the upper surface and is continuous with the flat cavity, and further has a wedge insertion lateral hole. The left and right openings are opened on the left and right side surfaces of the beam, so that the vertical groove is traversed, and furthermore, the beam is formed in a position corresponding to the wedge window hole of the joint fitting. Along with fitting the vertical groove of the fitting space to the beam fitting side wall, The Horizontal wedge inserting pouring implanted in Kikusabi insertion transverse bore and Kusabimado hole, thereby, the pillar-in wooden buildings, characterized in that it is pressed against the joining end face on the side surface of the pillar
Beam joint structure. 2. The pillar is characterized in that a flange piece protruding from a pillar mounting side wall of the joint fitting is inserted into a flange insertion groove dug and formed on a side surface of the pillar, and the joint fitting is mounted horizontally. The column / beam joint structure in a wooden building according to claim 1. 3. The joint according to claim 1, wherein the pillar is mounted horizontally by fitting a pillar mounting side wall of the joint fitting into a recess dug and formed in a side surface of the pillar. Column / beam joint structure in wooden buildings. 4. A wedge guide piece is inserted into a wedge insertion lateral hole and a wedge window hole, and a driven laterally long wedge is driven and inserted. The column / beam joint structure in a wooden building according to claim 1, 2 or 3. 5. The wedge guide piece has a groove formed on one side thereof so as to be fitted into an edge of a wedge window hole of a beam fitting side wall. Column / beam joint structure in the described wooden building. 6. The method according to claim 1, wherein a cover plate is mounted on the beam joined to the column, and the cover plate is screwed to the upper end surface of the beam fitting side wall of the joint fitting. Column / beam joint structure in the described wooden building.