JP2012255531A - Structure for construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for construction capable of preventing sliding of a bolt with respect to a member fastened by using a general purpose bolt.SOLUTION: This structure 1 for the construction is fastened by a nut 17 by inserting a shaft 15b of the bolt 15 into one member 11 and the other member 13, an opening part 11a of the one member 11 is arranged on the bolt head part 15a side, and the other member 13 is arranged on the nut 17 side. A washer 19 is arranged between the opening part 11a of the one member 11 and a bolt head part 15a, and has a seat part 29 forming a bolt insertion hole 27 and a plurality of rising parts 31 opposed to a side surface 15c of the bolt head part 15a, and a claw 35 biting in the opening part 11a of the one member 11, is arranged in one member side end part of the respective rising parts 31.

Description

  The present invention relates to an architectural structure that connects one member and the other member with bolts and nuts.

In this type of building structure, for example, the head of a bolt is engaged in a groove provided in one member, the other member is disposed on the opening side of the groove, and the one member and the other member are inserted. Bolt shafts may be fixed with nuts.
In such fastening of the one member and the other member, there is a possibility that the bolt head slips in the groove of the one member, so in Patent Document 1, a claw is provided on the shaft side surface of the bolt head, and the one member and the other member In order to prevent the bolt from slipping, the claw of the bolt head is bitten into the opening of the groove of the one member at the time of fastening.

2004-270446 gazette

  However, the technique of Patent Document 1 described above has a problem that it is expensive because a special bolt in which the claw is integrally formed with the bolt is used.

  Then, an object of this invention is to provide the structure for construction which can prevent the slip of a volt | bolt with respect to the member fastened using the general purpose volt | bolt.

  The invention according to claim 1 includes one member, the other member, a bolt, a washer, and a nut, the shaft of the bolt is inserted into the one member and the other member, and is fastened with a nut. The member is disposed on the bolt head side, the other member is disposed on the nut side, the washer is disposed between the one member and the bolt head, and the seat portion in which the bolt insertion hole is formed. And a plurality of rising portions facing the side surfaces of the bolt heads, and a claw for biting into one member is provided at one end of each rising portion on one member side.

  The invention described in claim 2 is characterized in that, in the invention described in claim 1, the dimension between the opposing surfaces of the rising parts facing each other is smaller than the diagonal dimension of the outer periphery of the bolt head.

According to the first aspect of the present invention, since the washer is provided with the claw and the washer is bitten into the one member, even if a general-purpose bolt is used, the bolt can be prevented from slipping with respect to the one member.
Since a general-purpose bolt is used, it is inexpensive because it is not necessary to use a conventional special bolt.
Since the washer can be formed by cutting and bending a sheet metal, for example, the washer is easy to manufacture and can be manufactured at low cost.
Since the claw provided on the washer is provided on one end of the rising part, the rising part prevents the seat from deforming even if the claw receives a reaction force from the one member when the bolt and nut are tightened. Therefore, the nail is hard to be deformed and can be deeply bitten.

  According to invention of Claim 2, while having the effect of Claim 1, the circumference | surroundings of the volt | bolt after the fastening of one member and the other member can be prevented.

It is a figure of the building structure concerning 1st Embodiment of this invention, and is AA sectional drawing shown in FIG. It is a figure of the building structure concerning 1st Embodiment of this invention, and is BB sectional drawing shown in FIG. It is a perspective view of a washer used for a 1st embodiment. It is a perspective view which shows the state which mounted | wore the washer with the volt | bolt. 1 is a front view of a building structure according to the first embodiment of the present invention. FIG. It is 2nd Embodiment of this invention, Comprising: It is a perspective view which shows the state which mounted | wore the washer with the volt | bolt.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS. The building structure 1 according to the first embodiment is used for a curtain wall 3 as shown in FIG. 5 and fixes a sash 5 to a vertical 9 as shown in FIGS. 1 and 2. is there. The building structure 1 includes one member 11, the other member 13, a bolt 15, a nut 17, and a washer 19.

On the other hand, the member 11 is a horizontal frame of the sash 5, and the one member 11 is provided with a groove 12 that is long in the left-right direction. Is engaged. The shaft portion 15 b of the bolt 15 protrudes from the opening portion 11 a (one member) of the groove 12.
The other member 13 is a metal fitting fixed to the upright 9, one end 13 a of the other member 13 is overlaid on the groove opening 11 a of the one member 11, and the other end 13 b is upright by a bolt 21 and a nut 22. 9 is fixed.
A bolt insertion hole 23 is formed at one end 13 a of the other member 13, and a shaft 15 b of the bolt 15 is inserted into the bolt insertion hole 23.
The bolt 15 is a general-purpose hexagon bolt, the head portion 15a engages in the groove 12 of the one member 11, the shaft portion 15b projects from the opening portion 11a of the groove 12, and overlaps the groove opening portion 11a. The nut 17 is screwed into the shaft portion 15 b through the bolt insertion hole 23 of the other member 13. Further, the head 15a of the bolt 15 is arranged such that the opposite faces of the six faces face the groove walls, and the dimension between the groove walls is larger than the dimension between the opposite corners of the bolt head 15a. The bolt head 15 a is prevented from turning in the groove 12.

The washer 19 is disposed between the groove opening portion 11a of the one member 11 and the bolt head portion 15a. As shown in FIG. 3, the seat portion 29 in which the bolt insertion hole 27 is formed, And a pair of opposed rising portions 31 provided on the edge.
As shown in FIGS. 1 and 4, the bolt head portion 15 a is seated on the surface of the seat portion 29.
The rising portion 31 rises from the edge of the seat portion 29 toward the head 15a side of the bolt 15 and faces the side surface 15c of the bolt head 15a. In the present embodiment, two rising portions 31 are provided, and the two rising portions 31 face each other. The rising portion 31 is perpendicular to the seat portion 29.
Each rising portion 31 is formed with a claw 35 having a tip projecting toward the groove opening 11 a side on the groove opening 11 a side of the one member 11. The claw 35 is provided integrally with the rising portion 31 at both the left and right ends of the rising portion 31, and the tip bites into the groove opening 11 a of the one member 11 as shown in FIG. 1.
In FIG. 1, the other end side portion (right side portion in FIG. 1) 37 of one member 11 fastens the other member 13 with a bolt 15 and a nut 17, but the other side portion 37 uses a washer 19. The bolt head 15 a is allowed to slide with respect to the one member 11.

Next, construction, operation, and effect of the building structure 1 according to the present embodiment will be described.
As shown in FIG. 4, the bolt head 15 a and the washer in a state where the shaft 15 b of the bolt 15 is inserted into the bolt insertion hole 27 of the washer 19 and the bolt head 15 a is disposed between the rising portions 31 and 31 of the washer 19. 19 is placed in the groove 12 of the one member 11 and positioned.
Then, with the bolt shaft portion 15b protruding from the groove opening portion 11a of the one member 11, the bolt shaft portion 15b is inserted into the bolt insertion hole 23 of the other member 13, and a nut is screwed into the bolt shaft portion 15b.
Next, after fixing the other end portion 13b of the other member 13 to the vertical 9 with the bolt 21 and the nut 22, the nut 17 engaged with the bolt shaft portion 15b is tightened in the groove 12 of the one member 11 to The member 11 and the other member 13 are fastened.

As shown in FIG. 1, in the positioned bolt 15 and washer 19, when the nut 17 is tightened, the bolt head portion 15a presses the seat portion 29 of the washer 19 in the axial direction of the bolt shaft portion 15b. As a result, as shown in FIG. 4, the claw 35 provided on the rising portion 31 presses toward the groove opening 11a of the one member 11 and tries to bite into the groove opening 11a. Thus, the claw 35 receives the reaction force E from the surface of the one member 11, so that the seat portion 29 tends to be deformed by the reaction force E. However, the rising portion 31 is prevented from deforming the seat portion 29 by the in-plane direction force F which is intended to maintain the shape thereof.
In other words, when the bolt 15 is fastened with the nut 17, the rising portion 31 prevents the seat portion 29 from being deformed, so that the claw 35 can bite vertically and deeply into the surface of the groove opening portion 11 a. If the claw 35 receives the reaction force E and is deformed so that the end of the seat 29 is warped upward, the claw 35 receives the reaction force received from the groove opening 11a obliquely. Although there is a possibility of deformation, in the present embodiment, since the deformation of the seat portion 29 is prevented, the deformation of the claw 35 is difficult to occur.

According to the present embodiment, the claw 35 is provided on the washer 19 and the claw 35 is bitten into the groove opening 11 a of the one member 11, so that even if a general-purpose bolt 15 is used, Slip can be prevented.
Since the general-purpose bolt 15 is used, it is not necessary to use a special bolt as in the prior art, so that it is inexpensive.
Since the washer 19 can be formed by cutting and bending a sheet metal, it is easy to manufacture and can be manufactured at low cost.
Since the claw 35 provided on the washer 19 is provided at the end of the rising portion 31 on the side of the groove opening 11a, the seat 29 is hardly deformed, thereby preventing the claw 35 from being deformed, and the claw into the groove opening 11a. Can be deeply devoured.

Other embodiments of the present invention will be described below. In the embodiments described below, the same reference numerals are given to the portions having the same functions and effects as those of the first embodiment described above. The description of this part is omitted, and the following description will mainly explain the differences from the first embodiment.
FIG. 6 shows a second embodiment. In the second embodiment, the washer 19 has a dimension S between the opposing surfaces 31a and 31a of the rising part 31 facing each other smaller than the diagonal dimension T of the outer peripheral edge of the bolt head 15a. Other configurations are the same as those of the first embodiment.
According to the second embodiment, the same effect as that of the first embodiment is obtained, and the bolt 15 and the washer 19 are not arranged in the groove 12 regardless of the dimension between the groove walls facing each other of the groove 12. Even when the one member 11 and the other member 13 are fixed, it is possible to prevent the bolt 15 from rotating around after the one member 11 and the other member 13 are fastened.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
For example, in a louver device used as a blindfold for a water receiving tank, cooling tower, outdoor staircase, etc. provided on the roof of a building, the bolt 15 and the nut 17 according to the present invention have one member as a horizontal member and the other member as a vertical member for blindfold. The cross member and the vertical member may be fixed with the washer 19. Similarly, the cross member of the fence may be used as one member, and the vertical member for blindfold may be used as the other member.
The bolt 15 is not limited to a hexagon bolt, and may be a square bolt.
The two rising portions 31 provided on the washer 19 are not limited to being provided opposite to each other, and a total of four rising portions 31 may be provided and arranged on the four sides of the seat portion 29.
The claw 35 is not limited to being provided in total at the left and right ends of each rising portion 31, but may be provided in three or one, and the number of claws 35 is not limited.
The member 11 is not limited to the provision of the groove 12 and the bolt head 15a is disposed in the groove, but the member 11 is a plate member having a long hole, and the bolt shaft portion 15b is inserted through the long hole of the one member 11. It is also good.

DESCRIPTION OF SYMBOLS 1 Structure for building 11 One member 11a Groove opening (one member)
13 Other member 15 Bolt 15a Bolt head 15b Bolt shaft 15c Bolt side surface 35 Claw S Dimension between opposed surfaces between rising parts T Diagonal dimension of outer periphery of bolt head 19 Washer 31 Rising part

Claims (2)

  One member, the other member, a bolt, a washer, and a nut are provided. The shaft of the bolt is inserted into the one member and the other member and fastened with a nut, and the one member is disposed on the bolt head side. The other member is disposed on the nut side, the washer is disposed between the one member and the bolt head, and faces the seat where the bolt insertion hole is formed and the side surface of the bolt head. A building structure comprising: a plurality of rising portions, and claws that bite into one member are provided on one member side end of each rising portion. The construction structure according to claim 1, wherein a dimension between opposing surfaces of the rising parts facing each other is smaller than a diagonal dimension of the outer periphery of the bolt head.

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