JP2817655B2 - Fixtures for wooden buildings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing member for a wooden building used for fixing a wooden member of a wooden building, and more particularly to a fixing member for erecting a pillar on a foundation on which a base member is laid.

[0002]

2. Description of the Related Art In a conventional wooden building frame structure, various fittings are used for joining and fixing wooden members to each other. As an example, a so-called hole-down metal fitting is used to erected a pillar in a fixed state on a foundation on which a base member is laterally provided, and further reinforces the pillar. As shown in FIG.
A wooden base member 2 is laid horizontally on the top, and a pillar 3
And the base member 2 and the column 3 are fixed by fixing means such as a fixing bracket (not shown). Further, the base member 2 is inserted with an inner bolt 4 fixed to the base 1 to form a substantially L-shaped member. One side piece 5A of the metal fitting 5 to be formed is fixed to the column 3 by a bolt 6, and the other side piece 5B is inserted into the upper end of the anchor bolt 4 and fixed by a nut 7. In this type of wooden building, simply fixing the column 3 to the base member 2 does not provide sufficient design strength, so the anchor bolts 4 directly fixed to the foundation 1 are not provided.
Pillar 3 must be fixed to

[0003]

In the case of using the above-mentioned metal fitting 5, a hole for inserting the bolt 6 into the pillar 3 is formed.
Is mainly performed on site, for example, by tightening the bolts 6 and screwing the nuts 7 to the anchor bolts 4, so that the workability is poor. In addition, since the vertical load of the column 3, that is, the axial force is directly applied to the upper surface of the wooden base member 2, the lower end of the column 3 sinks into the base member 2, for example, a large axial force of a three-story house or the like. Could not be used for those that add.

[0004] Accordingly, the present invention enables the processing required for fixing members to be performed in a factory, improves the workability on site, and fixes a wooden building capable of stably supporting the axial force of a pillar. The purpose is to provide metal fittings.

[0005]

According to the first aspect of the present invention, a base member is laid laterally on a foundation, and a pillar is erected on the foundation along an end face of the base member. And a fixing member for fixing the pillar to an upper portion of an anchor vertically provided on the base member and the foundation, wherein the insertion portion is inserted into a fitting groove vertically provided on an end surface of the base member, and , A column fixing portion fixed to the side surface of the column, and an anchor fixing portion provided above the insertion portion and fixed to the anchor.

According to a second aspect of the present invention, the base member fixing portion comprises a pin hole for inserting a joining pin inserted into the base member, and a screw portion at an upper end of the anchor is inserted into the anchor fixing portion. A hole is provided.

[0007]

According to the first aspect of the present invention, the fixing bracket is fixed to the pillar in advance, and the pillar is erected from above from above the base so that the insertion portion of the fixing bracket is inserted into the fitting groove of the base member. To fix the column to the base member, and further fix the column to the anchor via the anchor fixing portion.

According to the second aspect of the present invention, the fixing between the base member and the fixing member is performed by inserting a joining pin through the base member and the insertion portion, and the fixing between the anchor and the fixing member is provided at the anchor fixing portion. Perform by inserting the upper end of the anchor through the hole.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 5 show one embodiment of the present invention,
In the figure, 11 is a foundation made of concrete,
On the upper surface 11A of the foundation 11, a wooden base member 12 having a square section is provided.
A pillar 13 made of wood and having a rectangular cross section is erected on the upper surface 11A of the foundation 11 along an end face 12A in the longitudinal direction of the base member 12. An anchor bolt 14 having a lower end embedded and fixed to the foundation 11 is inserted into a vertical hole 15 formed in the base member 12, and a screw portion 14A above the anchor bolt 14 is inserted into an upper surface 12B of the base member 12. Projecting. For the base member 12 and the pillars 13, a structural large-section glulam is used.

A fixing bracket 16 for fixing to the lower side face A13 of the column 13 is formed by integrally forming a metal plate in a flat U-shape with parallel left and right insertion portions 17, 17 and a rear column fixing portion 18. In addition, a horizontal anchor fixing portion 19 made of a metal plate is integrally provided on the left and right insertion portions 17 and 17 by welding or the like. The left and right insertion portions 17, 17 are respectively formed with pin holes 21 serving as base member fixing portions for inserting metal joining pins 20, and the front column fixing portion 18 has a plurality of fixing holes arranged in a vertical direction. 22 is formed, and a wide portion 19A serving as a washer plate is formed at the tip of the anchor fixing portion 19.
An anchor insertion hole 23 for inserting the upper end of the anchor bolt 14 is formed in 19A, and an upper portion of the column fixing portion 18 is extended above the insertion portion 17, and a pair of left and right nail holes 24 is formed in the upper portion.
Has been drilled. Reference numeral 25 denotes a nut screwed on the upper portion of the anchor bolt, reference numeral 26 denotes a fastening member 26 for fixing the column fixing portion 18 of the fixing bracket 16 to the column 13, and includes a bolt and a nut at both ends. Also, 27 is inserted through the nail hole 24,
It is a nail that serves as a detent member for the fixing bracket 16.

As shown in FIG. 3, a pair of fitting grooves 31, 31 are formed on the end face 12A of the base member 12 so as to correspond to the left and right inserting portions 17, 17, and the fitting grooves 31, 31 are formed. The tip portion sandwiched between the base member 12 is cut to form a recess 32, and the base member 12 is provided with a lateral pin driving hole 33 corresponding to the pin hole 21 of the fixing bracket 16. The joining pin 20 is inserted into the pin driving hole 33. Further, a horizontal through hole 35 is formed in the lower part of the column 13, and the bolt of the fastening member 26 is inserted into the through hole 34.

Next, the operation of the above-described structure will be described. First, fitting grooves 31,
31, a recess 32 and a pin driving hole 33 are formed in advance. Also pillar
At 13, a through hole 34 is drilled at the factory, a bolt of the fixing member 26 is inserted into the fixing hole 22 of the fixing bracket 16 and the through hole 34 of the column 13, and a nut of the fixing member 26 is screwed at the tip. Fittings to pillar 13
Fix 16 Further, a nail 27 is driven into the pillar 13 from the nail hole 24. Thus, the processing of the base member 12 and the fixing of the fixing bracket 16 to the column 13 are performed in advance. Then, the vertical hole 15 is inserted into the anchor bolt 14 protruding from the foundation 11, and the base member 12 is laid horizontally on the upper surface 11 </ b> A of the foundation 11. In this case, the base member 12 is used as a base.
11 may be fixed by appropriate means. Next, as shown in FIG. 4, the left and right insertion portions 17, 17 of the fixing bracket 16 are attached to the base member 12.
The column 13 is inserted from above into the base 11 so as to be inserted into the fitting grooves 31
Stand up, and at the same time anchor bolts 14 in anchor insertion holes 23
The upper end of is inserted. In this state, pin driving hole 33 and pin hole
Positioning with 21 is performed, and a joining pin is inserted into these holes 33 and 21.
The joining pin 20 is inserted in a press-fit state, whereby the column 13 and the base member 12 are inserted through the fixing bracket 16.
And are fixed. Next, the screw portion 14 of the anchor bolt 14
A nut 25 is screwed onto A to fix the column 13 and the anchor bolt 14.

As described above, according to the first embodiment, the base member 12 is laid horizontally on the foundation 11, and the pillar 13 is erected on the foundation 11 along the end surface 12 A of the base member 12. A fixing member 16 for fixing the column 13 to the base member 12 and fixing the column 13 to an upper portion of an anchor bolt 14 which is an anchor vertically provided on the base member 12 and the foundation 11, wherein an end face 12A of the base member 12 is provided.
Insertion part 17 inserted into a fitting groove 31 vertically provided in
A pin hole 21 serving as a base member fixing portion formed on the base 17, a column fixing portion 18 fixed to the side surface 13 </ b> A of the column 13, and an anchor fixing portion 19 provided above the insertion portion 17 and fixed to the anchor bolt 14 are integrated. An anchor bolt that fixes the column 13 to the base member 11 via the base member fixing portion and further fixes the column 13 to the foundation 11 via the anchor fixing portion 19
It can be fixed to 14, and in advance in a place suitable for the work environment such as a factory, the processing of the base member 12 and the fixing bracket 16 to the column 13 are performed. The fixing work of the pillar 13 can be easily performed by using the anchor fixing portion 19, and the assembling work at the site can be simplified, and the reliable fixing work can be performed without any skill. Also, since the lower surface of the pillar 13 is erected on the foundation 11, the pillar 13
Since the foundation 11 made of concrete or the like supports the 13 axial forces, it is advantageous as a column to which a large axial force is applied, such as a three-story house or an apartment house. Further, since the fixing bracket 16 has a relatively simple configuration, the manufacturing is simple and the workability is excellent.

As described above, according to the present embodiment, the base member fixing portion is formed by the pin hole 21 into which the joining pin 20 inserted into the base member 12 is inserted, and the anchor fixing portion 19 is formed.
The screw section 14 at the upper end of the anchor bolt 14
A is provided with the hole 23 through which the base member 12 is inserted.
The fixing between the anchor bolt 14 and the fixing bracket 16 can be easily performed by inserting the joining pin 20 into the base member 12 and the insertion portion 17. This can be easily performed by inserting the upper end of the anchor bolt 14 into the anchor insertion hole 23, which is a hole provided in the above.

Further, as an effect on the embodiment, the column fixing portion 18
Is provided with a nail hole 24 above the insertion portion 17 that is inserted into the insertion groove 31 in a buried state, so that the base member 12 and the pillar 13 can be nailed to the pillar 27 after the two members are fixed to each other. With the fastening member 26, the fixing bracket 16 is prevented from rotating, and a stable fixing structure is obtained. Also, since a plurality of fixing holes 22 are drilled in the column fixing portion 18 at the top and bottom, the end surface 12
When fixing fixtures 16 are simultaneously fixed at the same height to the end faces of the pillars 13 orthogonal to A, one of them is inserted into the upper fixing hole 22 and the other is inserted into the lower fixing hole 22 by a fixing member 26, thereby fixing these fixing members. The members 26, 26 do not intersect in the cross section of the column 13.
Further, the fixing bracket 16 forms the left and right insertion portions 17 and 17 and the column fixing portion 18 in a flat U-shape, and
Since the anchor fixing portions 18 are fixed to the upper edges of the members 7 and 17 by welding or the like, a high strength is obtained for the fixing bracket 16 itself. Furthermore, by using the structural large-sized laminated timber for the base member 12 and the pillar 13, higher strength can be obtained than using ordinary timber.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, bolts may be used as joining pins and holes 33 and 21 may be formed. The bolt may be inserted and screwed with a nut. Further, in the first aspect, the anchor fixing portion 19 and the anchor bolt 14 may be fixed on site by welding.

[0017]

According to the first aspect of the present invention, a base member is laid horizontally on a foundation, and a pillar is erected on the foundation along an end face of the base member, and the pillar is fixed to the base member. A fixing member for fixing the pillar to an upper part of an anchor vertically provided on the base member and the foundation, wherein the insertion part is inserted into a fitting groove vertically provided on an end face of the base member, and the insertion part is formed on the insertion part. A base member fixing portion, a column fixing portion fixed to the side surface of the column, and an anchor fixing portion provided at an upper portion of the insertion portion and fixed to the anchor, are integrally formed,
Processing required for fixing members can be performed in a factory, and improvement in on-site workability can be achieved, and a metal fitting for a wooden building that can stably support the axial force of a pillar can be provided. .

According to a second aspect of the present invention, the base member fixing portion includes a pin hole for inserting a joining pin inserted into the base member, and a screw portion at an upper end of the anchor is inserted into the anchor fixing portion. With holes, the processing required for fixing members can be performed in the factory, and the on-site workability is improved using the joint pin and the threaded portion of the anchor, and the axial force of the column is stabilized. It is possible to provide a fixing fitting for a wooden building that can be supported by a wooden building.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fixture showing one embodiment of the present invention. It is.

FIG. 2 is a perspective view showing a use state of the fixing bracket according to the embodiment of the present invention.

FIG. 3 is an exploded perspective view showing one embodiment of the present invention.

FIG. 4 is a cross-sectional view illustrating a fixing operation according to an embodiment of the present invention.

FIG. 5 is a plan sectional view showing one embodiment of the present invention.

FIG. 6 is a sectional view showing a conventional example.

[Explanation of symbols]

 11 Foundation 12 Base 12 End 13 Column 13A Side 14 Anchor bolt (Anchor) 14A Screw 16 Fixing bracket 17 Insertion part 18 Column fixing part 19 Anchor fixing part 20 Joint pin 21 Pin hole (Base member fixing part) 22 Fixing hole 23 Anchor insertion hole (hole) 31 Insertion groove

Claims (2)

(57) [Claims] 1. A base member is laid laterally on a foundation, a pillar is erected on the foundation along an end face of the base member, and the pillar is fixed to the base member, and the pillar is attached to the base member. And a fixing bracket fixed to an upper part of an anchor vertically provided on the foundation, an insertion portion inserted into a fitting groove vertically provided on an end surface of the base member, a base member fixing portion formed on the insertion portion,
A fixing fixture for a wooden building, wherein a column fixing portion fixed to a side surface of the column and an anchor fixing portion provided on an upper portion of the insertion portion and fixed to the anchor are integrally formed. 2. The base member fixing portion comprises a pin hole for inserting a joining pin inserted into the base member, and the anchor fixing portion is provided with a hole for inserting a screw portion at an upper end of the anchor. The metal fitting for a wooden building according to claim 1, wherein: