JPH10195993A - Joint structure between post and horizontal frame material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint structure capable of preventing warping on the lower end of a horizontal frame material and enhancing pulling up strength of the horizontal frame material as well. SOLUTION: A joint structure between a post and a horizontal frame receiving material tenon-fits the horizontal frame receiving material 2 in the upper end of a post 1 and fits in and joins a horizontal frame receiving material 3 having a height dimension (H) larger than the height dimension (h) of the horizontal frame material 2 with the joining area between this horizontal frame receiving material and the post 1 in a dovetailed state with the post, thereby joining then at right angles. In this case, the joining area of the horizontal frame receiving material 2 is formed with a large dovetail groove 15 while the dovetailed receiving of the post 1 is formed with a substantially U-shaped fit-in groove 16 which is vertically communicated with and recessedly provided in the large dovetail groove 15 with their side parts 1a and 1b left over inside surfaces on the upper end of the post 1. The joint of the horizontal frame material 3 is formed as a projecting joint fitting 17 having a fit-in projecting part 17a to be straight worked and fitted in the fit-in groove 16 so that it may be housed in the post and a dovetail-worked large projecting part 17b which is inserted and fitted in the dovetail groove from above.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure between a pillar and a horizontal member which is a frame structure of a wooden building.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show a conventional joint structure in which a pillar and a horizontal member are assembled in a T-shape in a framed structure of a wooden building, and are joined together with hanging columns. In this conventional joint structure between a column and a horizontal member, a horizontal support member 2 such as a girder or eaves girder is fitted to the upper end of the column 1 and joined in a horizontal state. A horizontal hanging member 3 such as a beam having a height H of, for example, approximately 1.8 h larger than the height h of the horizontal supporting member 2 is fitted to the joint portion of the column 1 in a state of "with a hanging column". The horizontal support material 2
Hook material connection end fitting groove 4 with straight processing
And a small groove 5 provided at the center of the connection end fitting groove 4 to form a "large insertion hook". The hanging member receiving portion of the column 1 is cut out over the entire column width W. It is formed by a cutout 6 having a hook receiving surface 6a at its lower end.

Then, a small protruding portion 7 protruding from a connection end of the horizontal hanging member 3 is inserted into and engaged with the small groove 5 from above. The lower surface of the connection end fitting groove 4 of the horizontal support member 2 and the notch 6 of the column 1
a, so that a vertical load applied to the horizontal hanging member 3 is received by the hanging member receiving surface 6 a of the column 1.

[0004]

In the conventional joining structure, the hanging member receiving portion of the column 1 is formed by a notch 6 having a hanging member receiving surface 6a at a lower end which is cut out over the entire column width W. Therefore, the horizontal hanging member 3 having a large height dimension H is in a state where the lower end both sides of the connection end 3a are not restrained with respect to the column 1,
For this reason, when the horizontal hanging member 3 is deformed, there occurs a problem that the lower end of the hanging member 3 is warped in the direction a or the direction B shown in FIG. 5 (right and left direction orthogonal to the length direction of the material). I do.

[0005] In addition, the above-mentioned conventional joining structure includes a horizontal hanging member 3.
Is small (the portion where the dovetail groove 5 and the dovetail portion 7 are hooked) with respect to the receiving material 2, so that there is also a problem that the pull-out resistance in the length direction of the horizontal hanging material 3 is weak.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to prevent the lower end of a horizontal hanging member from being warped and to improve the pull-out resistance of the horizontal hanging member. It is an object of the present invention to provide a joint structure between a pillar and a horizontal member that can be formed.

[0007]

In order to achieve the above-mentioned object, according to the present invention, a transverse support member 2 is tenon-fitted to the upper end of a column 1 and joined. In a joint structure of a column and a horizontal member, a horizontal hanging member 3 having a height dimension H larger than the height dimension h of the horizontal supporting member 2 is fitted to the joint portion, and the columns are fitted at right angles and joined at right angles. The large-groove groove 15 is formed by forming the hook-joining portion of the horizontal support member 2 with the large-groove groove 15, and the hook-material receiving portion of the column 1 is recessed on the inner side of the upper end of the column, leaving both side portions 1 a and 1 b. Formed in a substantially U-shaped fitting groove 16 vertically communicating with the connecting groove of the horizontal hanging member 3.
Formed as a protruding joint 17 having a straight fitting projection 17a fitted into the pillar so as to fit into the pillar, and a large processing large projection 17b inserted into the large groove 15 from above. It is characterized by having done.

[0008]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be specifically described with reference to FIG. In the figure, reference numeral 1 denotes a wooden pillar such as a pipe pillar or a passage pillar. At the upper end of this pillar 1, a horizontal support member 2 such as a girder or an eaves girder is tenoned as shown in FIG. 12) and are joined in a horizontal state.

Reference numeral 3 denotes a horizontal hanging member such as a beam member which is fitted to the joint between the horizontal receiving member 2 and the column 1 in a "lean-post" state and is joined at a right angle. The width of the column 3 is the same as the column width W, and the height H is larger than the height h of the horizontal support member 2, for example, approximately 2.0 h.

The hanging member joining portion of the horizontal support member 2 is formed by a large dovetail groove 15 having an opening width twice as large as that of the conventional dovetail groove 5, and the hanging member receiving portion of the column 1 is located inside the upper end of the column. FIG. 1 shows an enlarged view of the large-groove groove 15 recessed in the surface, leaving both side portions 1a and 1b.
And a substantially U-shaped fitting groove 16 communicating vertically.

Note that the groove width e of the fitting groove 16 and the opening width of the large groove 15 are substantially the same, and the inner bottom width of the large groove 15 is larger than the groove width e of the fitting groove 16. Along with
The groove depths of the large groove 15 and the fitting groove 16 in the column cross-sectional direction are substantially the same. The vertical communication length between the large groove 15 and the fitting groove 16 is the same as or slightly shorter than the height H of the horizontal hanging member 3.

The connection of the horizontal hanging member 3 is
As shown in FIG. 3, it has a straight fitting protrusion 17 a fitted into the pillar 1 as shown in FIG. 3, and a large protrusion 17 b inserted and engaged with the large groove 15 from above. It is formed as a protruding joint 17, and the vertical length of the protruding joint 17 is the same as the longitudinal communication length of the large groove 15 and the fitting groove 16. The fitting projection 17a has a sectional shape complementary to the fitting groove 16 of the column 1, and the large projecting portion 17b has a sectional shape complementary to the large groove 15 of the horizontal support member 2. ing.

The column 1 having the tenon 11 and the fitting groove 16 as described above, the horizontal receiving member 2 having the tenon hole 12 and the large groove 15, the fitting protrusion 17 a and the large protrusion 1
The horizontal hanging member 3 having the protruding joint 17 composed of 7b is supplied by cutting a material such as rice pine dried to a moisture content of 18% or less precisely in a state-of-the-art factory controlled by a computer.

[0014]

According to the joint structure of the column and the transverse member according to the present invention, as described above, the joining portion of the lateral receiving member 2 is formed by the large groove 15 and the hanging member receiving portion of the column 1 is formed. A substantially U-shaped fitting groove 16 vertically communicating with the large groove 15 recessed on both sides of the upper end of the pillar except for both side portions 1a and 1b is formed. A protrusion having a straight fitting protrusion 17a fitted into the fitting groove 16 so as to fit into the pillar, and a large processing large projection 17b inserted into the large groove 15 from above. Since it is formed as the joint 17, the fitting projection 17 located at the lower part of the connection end of the horizontal hanging member 3 in the state where the column and the horizontal member are joined together.
The left and right sides of a are on both sides 1 of the fitting groove 16 with respect to the column 1
a, 1b, and the horizontal suspension member 3
Can be prevented from being warped in the left-right direction at the lower end of the hook 3.

Further, since the hanging portion of the horizontal hanging member 3 with respect to the receiving material 2 (the portion where the large groove 15 and the large projecting portion 17b are engaged) is sufficiently large, the length of the horizontal hanging member 3 in the longitudinal direction is large. An excellent effect that the withdrawal strength can be improved is exhibited.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a joint structure between a column and a transverse member according to the present invention.

FIG. 2 is a perspective view of a main part showing a joint structure between a column and a lateral member according to the present invention in a member fitted state.

FIG. 3 is a cutaway side view of a main part of the joint structure of FIG. 2 in which a fitting portion between a pillar and a horizontal member is cut.

FIG. 4 is an essential part perspective view showing a conventional joint structure between a pillar and a horizontal member in an exploded state.

FIG. 5 is an essential part perspective view showing a conventional joint structure between a column and a horizontal member in a member fitted state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... pillar, 11 ... tenon, 16 ... fitting groove, 1a, 1b ... both sides of fitting groove, 2 ... horizontal support material, h ... height dimension of horizontal support material, 12 ... mortise, 15 ... Large groove, 3 ... horizontal hanging material, H
... the height of the horizontal hanging member, 17a ... fitting protrusion, 17b ...
Large protruding part, 17 ... protruding joint.

Claims (1)

[Claims] A transverse support member is tenon-fitted to the upper end of a column and joined, and a transverse support member having a height dimension larger than the height dimension of the horizontal support member at a joint between the horizontal support member and the column. In a joint structure of a pillar and a horizontal member, which are fitted in a state of holding a pillar and are joined at right angles, a hanging member joining portion of the horizontal receiving member is formed by a large groove, and a hanging member receiving portion of the column is provided. Is formed in a substantially U-shaped fitting groove vertically communicating with the large groove which is concavely formed on both sides of the upper end of the pillar while leaving the both sides, and the connection of the horizontal hanging member is formed in the fitting groove by a pillar. And formed as a protruding joint having a fitting protrusion of a straight process fitted so as to fit into the inside thereof, and a large protruding portion of the dovetail insertion inserted into the large dovetail groove from above. Joint structure of pillar and horizontal member.