JP4878889B2 - Reinforcement hardware - Google Patents

Description

  The present invention relates to a reinforcing hardware capable of joining between two separated members even when the axis of an anchor bolt embedded in a fabric foundation and the axis of a mounting hole of a hole-down hardware attached to a column are misaligned. Is.

  Conventionally, in a wooden house, particularly a wooden three-story house, the anchor bolt embedded in the cloth foundation 1 as shown in FIG. 3 includes an anchor bolt 2 ′ that connects the cloth foundation 1 and the base 3, There is an anchor bolt 2 joined to the pillar 4 through the base 3.

  When joining the anchor bolt 2 to the pillar 4 through the base 3 from the cloth foundation 1, generally a hole-down hardware 5 shown in FIG. 3 is often used. This hole-down hardware 5 has the base 2 and the pillar 3 so that the base 2 and the pillar 3 are not pulled out from the cloth foundation 1 that supports the building when a horizontal force is applied to the building due to an earthquake or a typhoon. It is a reinforcing metal fitting tightly, and by fixing the anchor bolt 2 protruding from the cloth foundation 1 through the base 3 to the mounting hole 6 of the hole down hardware 5 attached to the pillar 4 as shown in FIG. The cloth foundation 1, the base 2, and the pillar 3 are firmly connected.

  However, the actual building construction site may not be constructed as shown in the drawing. The position of the anchor bolt 2 embedded in the fabric foundation 1 protrudes from the base 3 and the position of the pillar 4 fixed to the base 3 of the building ( The position of the mounting hole 6 of the hole-down hardware 5 attached to the column 4 may be misaligned.

  For this reason, when the positional deviation between the two members is slight, as shown in FIG. 4, a receiving member 7 having a width sufficient to correct the deviation of the distance between the two members is attached to the column 4, The hole down hardware 5 was attached to the material 7, and the anchor bolt 2 was tightly fixed to the mounting hole 6 of the hole down hardware 5.

  However, when the positional deviation between the two members is large, it is difficult to correct the deviation distance due to the use of the receiving material. Therefore, the anchor bolt 2 embedded in the cloth foundation 1 is unavoidably fixed only to the base 3 and the column. The hole-down hardware 5 attached to 4 is connected and fixed to the base 3.

  However, in this case, if the building is swayed due to an earthquake or typhoon, a strong pulling force is generated on the pillar, and with this, the place fixed with the anchor bolt of the base and the part where the hole down hardware 5 of the pillar is fixed In the meantime, large bending stresses and shearing forces are generated, and the foundations and pillars may be broken, which is a problem in terms of maintaining a stable building structure.

  Therefore, even if the axis of the anchor bolt embedded in the foundation and the axis of the mounting hole of the hole-down hardware attached to the column are greatly misaligned, a joint hardware that can join the two separated members is proposed. (See Patent Document 1).

As shown in FIG. 5, the joint hardware 10 is connected to the connection portion 7 to the anchor bolt 2 embedded in the cloth foundation 1 and the attachment portion 8 to the hole down hardware 5 (the attachment hole 6) fixed to the pillar 4. The end of the wire rope 9 is inserted and compressed.
Japanese Patent No. 2952666

  However, since the wire rope 9 is used as a connecting means in this joint hardware, the wire rope 9 may be accompanied by deterioration, internal damage (disconnection), etc., and the service life is as long as 20 to 30 years. There is a risk that the strength of the building over it cannot be maintained safely. Moreover, in this joint metal fitting, the end of the wire rope is compression-stopped to the connection part 7 and the attachment part 8, and high skill is required for the processing.

  The present invention has been made in view of such problems, and even when the axis of the anchor bolt embedded in the fabric foundation and the axis of the mounting hole of the hole-down hardware attached to the column are misaligned, the separation is performed. Reinforced hardware that can be easily and reliably joined between the two members, and can be easily manufactured without any risk of deterioration or internal damage (disconnection) even when used for 20 to 30 years. It is intended to provide.

In order to achieve the above object, the invention according to claim 1 is a reinforcing hardware for connecting a hole down hardware fixed to a column in a state in which an axis is shifted with respect to an anchor bolt embedded in a fabric foundation,
A socket rod with a female screw on the threaded end which is screwed into the anchor bolt, a mounting rod having a male thread into the mounting end attached to the hold-down hardware, and the socket bar and the mounting bar A connecting pipe that connects,
The threaded side end of the socket bar is loosely coupled to the threaded side end of the socket bar and the mounted side end of the mounting bar in a locking state in the connecting pipe, Each of the attached side end portions of the mounting rod is configured to be rotatable with respect to the socket rod and to be slidable inside the connecting pipe,
At the time of the connection,
In order to direct the male screw of the mounting rod toward the mounting hole of the hole-down hardware, the inclination angle of the mounting rod and the socket bar with respect to the hole-down hardware can be adjusted, and the male screw of the mounting rod is adjusted to the hole The entire length of the reinforcing hardware is slid by sliding the end of the socket bar to be screwed and the side of the mounting bar to be mounted into the connecting pipe to be inserted into the mounting hole of the down hardware. The gist of the present invention is a reinforced hardware characterized by the fact that it is adjustable .

According to the second aspect of the present invention, a large-diameter head is provided at each of the socket-side end of the socket bar and the mounting-side end of the mounting bar, and the connecting pipe has a large diameter of the socket bar and the mounting bar. It has a larger inner diameter than the head, and a clearance is formed between the inner peripheral surface of the connecting pipe and the large-diameter head of the socket bar and the mounting bar,
Further, the both ends of the connecting pipe are provided smaller in diameter than the large-diameter head, and the large-diameter heads of the socket bar and the mounting bar are provided in a state of being prevented from being detached from the connecting pipe. The reinforced hardware according to claim 1 is the gist.

In the reinforcing hardware of the present invention, the screwed side end of the socket bar screwed to the anchor bolt and the mounted side end of the mounting bar attached to the hole-down metal are slidable in the connecting pipe, and times as rotatably become, exit from it is loosely fitted coupled to latched condition, the axis deviation of the mounting holes of hold-down hardware that is attached to the axis and the bar of the anchor bolt embedded in the fabric underlying Even in this case, it is possible to easily and surely join the two separated members. In addition, the reinforcing hardware can be easily manufactured even when used for a long period of 20 to 30 years without any risk of deterioration or internal damage (disconnection).

  Hereinafter, the reinforcing hardware of the present invention will be described in more detail based on an embodiment shown in the drawings. As shown in FIGS. 1 and 2, the reinforcement hardware 21 of the present invention is a case where the anchor bolt 12 is joined to the column 14 from the cloth foundation 11 through the base 13, and the anchor bolt embedded in the cloth foundation 11. When the shaft center of 12 and the shaft center of the mounting hole 16 of the hole-down hardware 15 attached to the column 14 are misaligned, the distance between both members, that is, the anchor bolt 12 and the hole-down hardware 15 (the mounting hole 16) And includes a socket bar 22, a mounting bar 23, and a connecting tube 24 that connects the socket bar 22 and the mounting bar 23 to each other.

  The socket bar 22 in the reinforcing hardware 21 of the present invention has a nut end portion 22a, and this nut end portion 22a is screwed to the anchor bolt 12 protruding from the fabric base 11 through the base 13. . Further, a large-diameter head portion 22b is provided at the other end side of the socket bar 22, that is, the end portion to be screwed.

  On the other hand, the mounting bar 23 in the reinforcing hardware 21 of the present invention has a threaded portion 23 a and is inserted into the mounting hole 16 of the hole-down hardware 15 and fastened and fixed by a nut 26. Further, a large-diameter head portion 23b is provided on the other end side of the mounting rod 23, that is, on the mounted side end portion.

  The connecting pipe 24 is a pipe member that connects the socket bar 22 and the mounting bar 23, and the inner diameter thereof is the large-diameter head 22 b at the threaded side end of the socket bar 22 and the mounting bar 23. When the large-diameter head portion 23b at the side end is accommodated in the connecting pipe 24, the clearance is formed between the socket rod 22 and the large-diameter head portions 22b, 23b of the mounting rod 23. It is provided slightly larger than the outer diameter of the large-diameter heads 22b and 23b.

  Further, both ends 24a and 24b of the connecting pipe 24 are larger than the large-diameter heads 22b and 23b so that the large-diameter head 22b of the socket bar 22 and the large-diameter head 23b of the mounting bar 23 do not come out of the pipe. Even if a large pulling force is generated on the column due to an earthquake or a typhoon, the large diameter heads 22b, 23b are sufficiently countered so that the large diameter heads 22b, 23b do not come out of the connecting pipe 24. It has become. In the illustrated example, after inserting the large-diameter head portion 22b of the socket rod 22 and the large-diameter head portion 23b of the mounting rod 23 into the connecting tube 24, both end portions 24a and 24b of the connecting tube 24 are compressed into a hexagonal shape. By molding, the inner diameters of the both end portions 24a and 24b are smaller than the outer diameters of the large-diameter head portions 22b and 23b.

  Next, using the reinforcing hardware 21 in which the screwed side end of the socket bar and the mounted side end of the mounting bar 23 are loosely coupled in the connecting pipe in a state of being prevented from coming off as described above, An operation of joining the anchor bolt and the hole-down hardware when the axis of the anchor bolt embedded in the shaft and the axis of the mounting hole of the hole-down hardware attached to the column is displaced will be described.

  First, as shown in FIG. 1, the nut end 22 a of the socket bar 22 is screwed onto the anchor bolt 12 protruding from the fabric foundation 11 through the base 13.

  Next, the socket rod 22 and the mounting rod 23 are formed by the clearance formed between the large-diameter heads 22b and 23b of the socket rod 22 and the mounting rod 23 and the inner peripheral surface of the connecting pipe 24, as shown in FIG. Since it can rotate with respect to the connecting pipe 24 as shown by the middle arrows C and D, the connecting pipe 24 connected to the socket rod 22 facing the axial direction of the anchor bolt 12 by screwing of the nut end 22a is provided. The hole-down hardware 15 fixed to the column 14 is inclined toward the position of the mounting hole 16.

Next, the large-diameter heads 22b and 23b of the socket bar 22 and the mounting bar 23 are slid in the connecting pipe 24 as shown by arrows A and B in FIG. The length of the entire reinforcing metal piece 21 (full length) is adjusted so that the screw portion 23a of the mounting rod 23 is positioned at the position of the mounting hole 16.

  Next, the mounting rod 23 is rotated with respect to the connecting tube 24 as indicated by an arrow D in FIG. 2, and the angle of the mounting rod 23 is adjusted to the insertion direction in the mounting hole 16. 23 a is inserted into the mounting hole 16 of the hole-down hardware 15 and is fastened and fixed by the nut 26. At this time, the angle of inclination can be adjusted by interposing a washer 25 having an inclined surface between the mounting hole 16 and the nut 26, thereby enabling smooth and reliable tightening of the nut 26.

  The material of the socket rod, mounting rod and connecting pipe constituting the reinforcing hardware of the present invention is sufficient if it can sufficiently withstand the stress applied to the column when the building is swayed due to an earthquake or a typhoon. The material is not particularly limited, and materials such as metals such as iron, steel, and aluminum, and hard plastics such as ABS can be used. Also, the structure of the socket bar, mounting bar, and connecting pipe constituting the reinforcing hardware of the present invention should be able to sufficiently withstand the stress applied to the column when the building is shaken due to an earthquake or typhoon. If it does not specifically limit.

  The reinforcing hardware of the present invention is not limited to the embodiment shown above, and can be freely modified within the scope described in the claims.

The perspective view which shows the example which applied the reinforcement metal fitting by this invention to a building. The expanded sectional view which shows the reinforcement metal fitting of this invention. The perspective view which shows the joining form of the anchor bolt and the hole down metal fitting of a pillar when there is no shift | offset | difference of an axial center in the conventional building. The perspective view which shows the joining form of the anchor bolt and the hole down metal fitting of a pillar in case there exists slight axial center gap in the conventional building. The perspective view which shows the joining form of the anchor bolt and the hole down metal fitting of a pillar in case there exists a big axial shift in the conventional building.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Cloth foundation 12 ... Anchor bolt 13 ... Base 14 ... Pillar 15 ... Hole down hardware 16 ... Mounting hole 22 ... Socket rod 22a ... Nut edge part 22b・ ・ Diameter head 23 ・ ・ ・ Mounting rod 23a ・ ・ ・ Screw part 23b ・ ・ ・ Diameter head 24 ・ ・ ・ Connecting pipe 24a, 24b ・ ・ ・ End 25 ・ ・ ・ Washer 26 ・ ・ ・ Nut

Claims (2)

Reinforcement hardware that connects the hole down hardware fixed to the column with the axis shifted from the anchor bolt embedded in the fabric foundation,
A socket rod with a female screw on the threaded end which is screwed into the anchor bolt, a mounting rod having a male thread into the mounting end attached to the hold-down hardware, and the socket bar and the mounting bar A connecting pipe that connects,
The threaded side end of the socket bar is loosely coupled to the threaded side end of the socket bar and the mounted side end of the mounting bar in a locking state in the connecting pipe, Each of the attached side end portions of the mounting rod is configured to be rotatable with respect to the socket rod and to be slidable inside the connecting pipe,
At the time of the connection,
In order to direct the male screw of the mounting rod toward the mounting hole of the hole-down hardware, the inclination angle of the mounting rod and the socket bar with respect to the hole-down hardware can be adjusted, and the male screw of the mounting rod is adjusted to the hole The entire length of the reinforcing hardware is slid by sliding the end of the socket bar to be screwed and the side of the mounting bar to be mounted into the connecting pipe to be inserted into the mounting hole of the down hardware. Reinforcement hardware characterized by making adjustment possible . A large-diameter head is provided at each of the socket-side end of the socket bar and the mounted-side end of the mounting bar,
The connecting pipe has a larger inner diameter than the large-diameter heads of the socket bar and the mounting bar, and a clearance is formed between the inner peripheral surface of the connecting pipe and the large-diameter heads of the socket bar and the mounting bar. And
Further, the both ends of the connecting pipe are provided smaller in diameter than the large-diameter head, and the large-diameter heads of the socket bar and the mounting bar are provided in a state of being prevented from being detached from the connecting pipe. The reinforcing metal fitting according to claim 1.

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