JP2008045335A - Vertical wood member erecting metal fitting - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertical wood member erecting metal fitting capable of improving mechanical strength, work efficiency and workability, by erecting a vertical wood member on a foundation directly or via a horizontal wood member. <P>SOLUTION: A column erecting metal fitting 1 is an erecting metal fitting for directly erecting a column 52 being the vertical wood member on the foundation 51, and has a leg metal fitting 2 embedded in the foundation 51, a pulling bolt 3 as a connecting member and a hole down pipe 4 as a connecting object member. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a vertical member erecting bracket, in particular, a vertical member can be erected directly or through a cross member on a foundation, and further, mechanical strength, workability and workability can be improved. The present invention relates to a vertical wood member standing metal fitting in which a leg metal fitting is embedded in a foundation, which can be improved.

Conventionally, in the construction of a framework of a wooden building, anchor bolts, hole-down hardware, and the like have been used when standing columns on a concrete foundation. Usually, the column base and the foundation are connected using a hole down hardware and an anchor bolt attached to the lower side of the column. In this way, it was possible to effectively prevent the pillar from coming off the base during an earthquake.
In recent years, when a column is erected using a column erection bracket, it is possible to simplify the processing of the column and improve the column erection strength. Has been.

(Conventional example)
For example, in Patent Document 1, a base embedded portion that is engaged and accommodated in a base hole formed on a base disposed on the base and is connected to an anchor bolt that protrudes on the base, and a bottom portion of a column that is erected on the base There is disclosed a technique of a column base metal fitting that is configured so that a horn part inserted into a column hole formed in the above can be connected separately after disposing a base on a foundation. In this column base metal fitting, the base burying portion has an anchor bolt connecting portion at the lower portion, and an upper portion has a horn portion connecting portion to which the lower portion of the horn portion is engaged and connected. The engaging portion that engages and connects to the lower portion is provided at the lower portion, and the upper portion includes a rod-like connecting rod portion that is formed with a connecting hole.
According to this technology, while having a configuration that fits within the foundation, it is possible to easily lay the foundation horizontally and stand the pillar, and to make an epoch-making column base bracket that can connect the anchor bolt of the foundation and the pillar on the foundation. Can be provided.

Further, in Patent Document 2, a bolt member whose head is locked in a base on a foundation, a gear fixed to a base portion of the bolt member, and a bolt member are screwed together and fitted and fixed to a pillar. A technique of a fastening device that includes a fixing member and a fastening pin having a meshing portion that meshes with a gear is disclosed. In this fastening device, a fastening pin is inserted into an insertion hole formed in the base 2 and a gear is rotated, whereby a bolt member is screwed into a fixing member to fasten the base and the column.
According to this technique, the pillar can be drawn to the base, and the pillar and the base can be firmly bonded without a gap.
JP 2002-294875 A JP-A-11-36446

However, the column base metal fitting according to Patent Document 1 needs to process the base hole embedded in the base embedded portion into the base, and there is a problem that the processing defect due to the base hole is large and the compressive strength is lowered. In addition, since a large-diameter base hole is processed, there is a problem that workability is lowered, and workability is lowered when the position of the locking pin is shifted. Furthermore, since it is not assumed that the pillar is directly erected on the foundation, there is a problem that it cannot be used for this purpose.
Further, the fastening device according to Patent Document 2 has a problem that the structure is complicated and lacks practicality. In addition, it is necessary to process the hole for the anchor core in the base, and there is a problem that the processing defect due to the hole is large and the compressive strength is lowered. Furthermore, since it is not assumed that the pillar is directly erected on the foundation, there is a problem that it cannot be used for this purpose.

  In order to solve the above-described problems, the present invention can erect a vertical member on a foundation directly or through a cross member, and further improve mechanical strength, workability and workability. An object of the present invention is to provide a vertical member that can be installed.

In order to achieve this object, the vertical member erecting bracket of the present invention is a vertical member erecting bracket for erecting a vertical member directly or via a cross member on a foundation. This vertical wooden member erected metal fitting is a bottomed cylindrical leg metal fitting embedded in the foundation and having a connecting plate attached therein, a connecting member fixed to the connecting plate so as to be adjustable in position, and the connecting member It is set as the structure provided with the rod-shaped or cylindrical to-be-connected member inserted by the said vertical wood member, and the fixing member which fixes the said to-be-connected member to the said vertical wood member.
If it does in this way, since a position adjustment space (center deviation adjustment space) can be provided in a foundation inside, a vertical wood member can be erected directly on a foundation. Moreover, since the amount of processing to the cross member or the vertical member is reduced, it is possible to prevent the mechanical strength from being lowered. Furthermore, workability and workability can be improved.

Preferably, the leg metal fitting has an anchor member embedded in the foundation.
If it does in this way, the embedding strength of the leg metal fittings to the foundation can be improved, and the standing strength of the vertical wood member can be improved. Moreover, it can avoid suitably that an anchor member interferes with the foundation iron embed | buried under the foundation by welding a rod-shaped anchor member to the side surface of a leg metal fitting.

Preferably, the connecting member is a pulling bolt that is inserted into the through hole of the connecting plate from below and is screwed to the connecting plate by a nut, and the lower end of the connected member is screwed to the pulling bolt. It is preferable that the mating female screw is cut off.
In this way, the structure can be simplified and the manufacturing cost can be reduced. Further, the position adjustment can be easily performed.

Preferably, a cushion member is provided between the head of the pulling bolt and the connecting plate.
If it does in this way, when big external force acts on the direction which tries to incline a vertical member, or upwards, the impact can be absorbed.

Preferably, the member to be connected is inserted into the cross member installed on the foundation and the vertical member installed upright on the cross member.
If it does in this way, a vertical member can be erected easily on a cross member installed in a foundation.

  According to the vertical member erecting bracket in the present invention, the vertical member can be erected directly or through the cross member on the foundation, and further improved in mechanical strength, workability and workability. Can be made.

FIG. 1: has shown the schematic front view of the vertical member erecting metal fitting concerning one Embodiment of this invention.
In the figure, a column standing metal fitting 1 as a vertical wood member standing metal fitting is a standing metal fitting for standing a pillar 52 which is a vertical wood member directly on a foundation 51, and is embedded in the foundation 51. A leg fitting 2, a pulling bolt 3 as a connecting member, and a hole down pipe 4 as a connected member are provided. Here, “directly” means directly or through basic packing or the like.
In this embodiment, an example in which the pillar 52 is erected on the foundation 51 via the foundation packing 511 will be described. However, the longitudinal member that is erected using the vertical member erecting bracket of the present invention is It is not limited to examples.

(Leg bracket)
2A and 2B are schematic views of a leg bracket of the vertical member erecting bracket according to the embodiment of the present invention, wherein FIG. 2A is a front view and FIG. 2B is a plan view.
In the figure, the leg fitting 2 is composed of a cylindrical member 21, a connecting plate 22, a cover 23 and an anchor 24. The leg bracket 2 is embedded in the foundation 51 when the foundation 51 is formed of concrete.
The cylindrical member 21 is a metal cylinder, and a member obtained by cutting a commercially available steel pipe is usually used.
The connecting plate 22 is a metal disc having an outer diameter that is fitted inside the tubular member 21, and a through hole 221 into which the pulling bolt 3 is inserted is formed in the center portion. The diameter of the through hole 221 is larger than the diameter of the normal bolt and the bolt hole in order to adjust the position of the column 52. The connecting plate 22 is inserted into the upper part of the tubular member 21 and welded.

  The cover 23 is a disk having a shape that closes the lower portion of the tubular member 21. The cover 23 is attached to the lower part of the cylindrical member 21 in a state where the pulling bolt 3 to which the plain washer 31, the cushion member 32, and the washer 33 with the elongated hole are sequentially attached is inserted into the through hole 221 from below. . The cover 23 of the present embodiment is a metal plate punched out into a shape like a bran puller by press working, and is press-fitted into the tubular member 21, but is not limited to this configuration. The cover 23 may be a cover that prevents the concrete before solidifying from entering the inside of the tubular member 21 when the leg metal fitting 2 is embedded in the concrete foundation 51. For example, the cover 23 may be made of wood or resin. It may also be attached by adhesion or locking.

  The tubular member 21 is fixed between the anchors 24. The anchor 24 of the present embodiment is a pair of metal bars whose lower part is bent into a bowl shape. The anchor 24 faces the side surface of the tubular member 21 so that the upper end surface is at the same height as the upper end surface of the tubular member 21 and each bent portion faces the opposite direction along the foundation 51. And are welded together. The anchor 24 is embedded in the foundation 51, improves the embedding strength of the leg bracket 2 with respect to the foundation 51, and improves the standing strength of the column 52.

The structure of the anchor 24 is not limited to the above structure, and any structure that reinforces the embedding strength of the leg fitting 2 with respect to the foundation 51 may be used.
Further, the direction in which the bent portion of the anchor 24 faces, that is, the attachment angle of the anchor 24 can be freely set according to the shape of the foundation 51 and the welding position of the anchor 24 can also be freely set. Can do. Therefore, for example, when foundation iron (not shown) is embedded in the foundation 51, the pair of anchors 24 are welded to a welding position sandwiching the foundation iron, and the bent portion of the anchor 24 is connected to the foundation iron. Welded in a state of facing the parallel direction. If it does in this way, while being able to avoid suitably the anchor 24 interfering with a foundation iron, the leg metal fitting 2 can be embed | buried in the foundation 51 of the corner | angular part curved at right angles and the straight foundation 51. it can.

(Pulling bolt)
The pulling bolt 3 is a bolt that is screwed to the cylindrical member 21 of the leg metal fitting 2 and is screwed to the female screw 43 of the hole-down pipe 4. Further, when the leg bracket 2 is embedded in the foundation 51, the pulling bolt 3 is in a state where the head is housed in the leg bracket 2, and cannot hold the head when the nut 34 is tightened. For this reason, although not shown in the figure, the pulling bolt 3 may be formed with a groove on the end face of the screw part or with a locking face that faces the side face of the screw part in parallel. If it does in this way, the idle rotation of the attracting bolt 3 can be prevented using a flathead screwdriver or a spanner, the position can be adjusted easily, and workability can be improved. The pulling bolt 3 is screwed to the connecting plate 22 by a through hole 221 having a large diameter and a washer 33 with a long hole so that the position of the pulling bolt 3 can be adjusted in the through hole 221.

  The cushion member 32 is a cylindrical or annular plate made of a material having an impact absorption property such as resin or rubber. This cushion member 32 is provided between the head of the pulling bolt 3 and the connecting plate 22, and in the event of an earthquake or the like, even if a large external force acts in the direction or upward of the column 52, Absorb effectively.

  As shown in FIG. 3, the washer 33 with a long hole is a washer made of a thick disc made of metal, and has a structure in which a long hole 331 is drilled from the central part toward the peripheral part. When trying to move the pulling bolt 3 in any direction in the through hole 221, the washer 33 with the long hole rotates, and the pulling bolt 3 moves in the long hole 331. By using the washer 33 with the long hole, the hole diameter of the through hole 221 can be increased with respect to the outer diameter of the connecting plate 22, and the position adjustable range of the pulling bolt 3 can be efficiently expanded. . In the present embodiment, the plain washer 31 is used, but a washer 33 with a long hole may be used instead of the plain washer 31.

(Hall down pipe)
The hole down pipe 4 is a metal cylinder, and a commercially available steel pipe is usually used. The hole down pipe 4 has a female screw 43 screwed into the pulling bolt 3 at the lower end, and through holes 44 are formed at two positions above the female screw 43 in a direction orthogonal to each other when viewed from directly above. It has been drilled. The hole down pipe 4 is first tightened into the pulling bolt 3, and then inserted into the insertion hole 521 drilled in the lower end surface of the foundation 51, and further, the insertion hole 522 and The bolts 41 are inserted into the through holes 44 and the nuts 42 are tightened to fix the pillars 52.
In the present embodiment, the bolt 41 and the nut 42 are used as the fixing members, but the present invention is not limited to this. For example, the hole down pipe 4 is attached to the column 52 using a drift pin or the like. It may be fixed. Moreover, although the steel pipe is used for the hole down pipe 4 of this embodiment, it is not limited to this, For example, you may use a round steel.

Next, a standing procedure and a standing state of the columnar bracket 1 having the above-described configuration will be described with reference to the drawings.
FIG. 5: is the schematic for demonstrating the usage method of the vertical member erecting metal fitting concerning one Embodiment of this invention, and has shown the front view of the state by which the leg metal fitting was embed | buried under the foundation.
In the figure, the columnar bracket 1 is such that the leg bracket 2 is first embedded in the foundation 51. In general, when the foundation 51 is made of concrete, the leg metal fitting 2 is embedded in the concrete in the mold, and the concrete is solidified, whereby the leg metal fitting 2 is embedded in the foundation 51. Here, the leg bracket 2 is embedded so that the upper end surface of the cylindrical member 21 is flush with the upper surface of the foundation 51. Further, the leg bracket 2 accommodates a pulling bolt 3 to which a flat washer 31, a cushion member 32, and a long washer 33 are attached, and a threaded portion of the pulling bolt 3 is a through hole 221 of the connecting plate 22. Protruding from.

FIG. 6 is a schematic view for explaining a method of using the vertical member erecting metal fitting according to the embodiment of the present invention, and shows a front view in a state where a hole down pipe is attached.
In the figure, in the column-standing metal fitting 1, first, a washer 33 with a long hole is attached to the thread portion of the pulling bolt 3 protruding from the connecting plate 22, and the nut 34 is tightened. When the nut 34 is tightened, the pulling bolt 3 rises, and the position of the pulling bolt 3 is adjusted when there is no play in the vertical direction. This position adjustment is for accurately standing the column 52 at a predetermined position, and the pulling bolt 3 freely moves in the through hole 221 of the connecting plate 22, so that it is easily positioned at the predetermined position. can do. Further, the positioned pulling bolt 3 is screwed to the connecting plate 22 by tightening the nut 34.
In the present embodiment, the washer 33 with the elongated hole above the connecting plate 22 has the same thickness as the washer 33 with the elongated hole below the connecting plate 22, but may have a thin plate thickness, A plain washer 31 may be used instead of the attached washer 33.

In this embodiment, the upper portion of the nut 34 is positioned above the upper surface of the foundation 51. However, since the maximum outer dimension of the nut 34 is smaller than the outer diameter of the hole-down pipe 4, the column 52 is inserted. It is stored in the hole 521.
Note that the upper portion of the nut 34 is not limited to the configuration positioned above the upper surface of the foundation 51, and for example, the upper surface of the tightened nut 34 may be positioned below the upper surface of the foundation 51.

Next, the hole down pipe 4 is fastened to the fixed pulling bolt 3.
At this time, the hole down pipe 4 has the through hole 44 positioned substantially at the same height as the insertion hole 522 of the column 52 placed on the foundation 51 in a predetermined direction. It is tightened so that the center lines of the insertion holes 522 substantially coincide with each other. In this way, the bolt 41 can be smoothly inserted, and the column 52 can be erected in a predetermined direction (usually the direction in which the side surface of the foundation 51 and the side surface of the column 52 are parallel).

The hole down pipe 4 of the present embodiment is connected to the pulling bolt 3 in a state where the lower surface does not contact the nut 34 and has a predetermined gap (adjustment allowance), but is limited to this. It is not a thing.
For example, as shown in FIG. 7, a position adjusting nut 35 is attached to the pulling bolt 3 screwed by the nut 34. Subsequently, the through-hole 44 of the hole-down pipe 4 is positioned at substantially the same height as the insertion hole 522 of the column 52 placed on the foundation 51 in a predetermined direction, and is inserted into the through-hole 44. The hole down pipe 4 is tightened so that the center lines of the holes 522 substantially coincide with each other, and the position adjusting nut 35 is tightened to the hole down pipe 4 side. In this way, the hole down pipe 4 is screwed to the pulling bolt 3 by the position adjusting nut 35, so that the standing strength of the column 52 can be improved.

  Next, as shown in FIG. 1, the foundation packing 511 is placed on the foundation 51, and the column 52 is placed on the foundation packing 511 while the hole down pipe 4 is inserted into the insertion hole 521. . Subsequently, the bolt 41 is inserted into the insertion hole 522 and the through hole 44, the nut 42 is tightened, and the column 52 is erected on the foundation 51.

  As described above, according to the columnar mounting bracket 1 of the present embodiment, the position adjustment space (center misalignment adjustment space) for positioning the column 52 is embedded in the foundation 51, that is, in the foundation 51. Since it can be provided inside the leg bracket 2, the column 52 can be erected directly on the foundation 51. Moreover, since the amount of processing to the column 52 is reduced, it is possible to prevent a decrease in mechanical strength. Furthermore, workability and workability can be improved. Further, by using the pulling bolt 3 as the connecting member and the hole down pipe 4 as the connected member, the structure can be simplified and the manufacturing cost can be reduced.

As mentioned above, although the preferred embodiment was shown and demonstrated about the vertical member erecting metal fitting of this invention, the vertical wood member erecting metal fitting which concerns on this invention is not limited only to embodiment mentioned above, this invention It goes without saying that various modifications can be made within the range described above.
For example, in the above-described embodiment, the pillar 52 is erected directly on the foundation 51. However, the present invention is not limited to this. For example, the foundation 53 is installed on the foundation 51, and then the foundation 53 is provided. The pillar 52 may be erected on the top.
Next, an application example in which the pillar 52 is erected on the foundation 51 through the base 53 will be described with reference to the drawings.

FIG. 8: has shown the schematic front view of the example of application of the vertical member erecting metal fitting concerning one Embodiment of this invention.
In the figure, the column stand metal fitting 1a is different from the above embodiment in that it includes a hole down pipe 4a that is inserted into the insertion hole 531 of the base 53 and the insertion hole 521 of the column 52. The other components are almost the same as those of the column stand 1.
Therefore, in FIG. 8, the same components as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.

Since the hole down pipe 4a is inserted into the insertion hole 531 of the base 53, the hole down pipe 4a has a longer shape. The column 52 is attached to the hole down pipe 4a by two bolts 41 and a nut 42.
As described above, the pillar-standing metal fitting 1a is constructed in such a manner that the hole down pipe 4a is attached to the pulling bolt 3 and then the hole down pipe 4a is inserted into the insertion hole 531 of the base 53. 53 is installed on the foundation packing 511 of the foundation 51. Subsequently, the column 52 is placed on the base 53 in a state where the hole down pipe 4 a protruding from the base 53 is inserted into the insertion hole 521. The pillar 52 and the base 53 are fixed to the hole-down pipe 4 a by the bolt 41 and the nut 42, and the pillar 52 can be erected on the base 53.

  As described above, according to the pillar standing metal fitting 1 a, the pillar 52 can be erected on the base 53 via the base 53. In addition, since the processing to the base 53 requires only a slight processing such as the insertion hole 531, it is possible to prevent a problem such as a decrease in compressive strength.

FIG. 1: has shown the schematic front view of the vertical member erecting metal fitting concerning one Embodiment of this invention. 2A and 2B are schematic views of a leg bracket of the vertical member erecting bracket according to the embodiment of the present invention, wherein FIG. 2A is a front view and FIG. 2B is a plan view. FIG. 3: is the schematic of the washer with a slotted hole of the vertical member erecting metal fitting concerning one Embodiment of this invention, (a) is a top view, (b) has shown the side view. 4A and 4B are schematic views of a hole down pipe of the vertical member erecting metal fitting according to the embodiment of the present invention, in which FIG. 4A is a front view and FIG. 4B is a top view. FIG. 5: is the schematic for demonstrating the usage method of the vertical member erecting metal fitting concerning one Embodiment of this invention, and has shown the front view of the state by which the leg metal fitting was embed | buried under the foundation. FIG. 6 is a schematic view for explaining a method of using the vertical member erecting metal fitting according to the embodiment of the present invention, and shows a front view in a state where a hole down pipe is attached. FIG. 7 is a schematic view for explaining a method for using the vertical member erecting bracket according to the embodiment of the present invention, and shows a front view of a state in which a hole down pipe is attached using a position adjusting nut. ing. FIG. 8: has shown the schematic front view of the example of application of the vertical member erecting metal fitting concerning one Embodiment of this invention.

Explanation of symbols

1, 1a Pillar bracket 2 Leg bracket 3 Pull bolt 4, 4a Hole down pipe 21 Cylindrical member 22 Connecting plate 23 Cover 24 Anchor 31 Plain washer 32 Cushion member 33 Washer with long hole 34 Nut 35 Position adjustment nut 41 Bolt 42 Nut 43 Female thread 44 Through hole 51 Foundation 52 Pillar 53 Base 221 Through hole 331 Long hole 511 Foundation packing 521 Insertion hole 522 Insertion hole 531 Insertion hole

Claims (5)

A vertical member erecting bracket for erecting a vertical member on a foundation directly or through a cross member,
A bottomed cylindrical leg bracket embedded in the foundation and having a connecting plate attached inside,
A connecting member fixed to the connecting plate so as to be adjustable in position;
A rod-shaped or cylindrical connected member connected to the connecting member and inserted into the vertical wood member;
A vertical member mounting bracket comprising: a fixing member that fixes the connected member to the vertical member.   The vertical wooden member erecting metal fitting according to claim 1, wherein the leg metal fitting has an anchor member embedded in the foundation.   The connecting member is a pulling bolt that is inserted into the through hole of the connecting plate from below and is screwed to the connecting plate by a nut, and a female screw that is screwed to the pulling bolt is cut at the lower end of the connected member. The vertical member erecting metal fitting according to claim 1 or 2, wherein   The vertical member mounting bracket according to claim 3, wherein a cushion member is provided between a head of the pulling bolt and the connecting plate.   The said to-be-connected member is inserted in the said cross member installed on the said foundation, and the vertical member installed upright on this cross member, The any one of Claims 1-4 characterized by the above-mentioned. The vertical member erecting bracket according to the item.

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