JP2018131729A - Mounting fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting fitting easily mountable to a seam part of folded-plate roof and allowing easy mounting work.SOLUTION: A mounting fitting 10 comprises: a first holding member 20 having a first abutting part 21A abutting on one side of a seam part of folded-plate roof; a second holding member 30 having a second abutting part 31A abutting on the other side of the seam part and holding the seam part in cooperation with the first holding member; and a bolt 40 fixing the first holding member and the second holding member with each other in a state of holding the seam part with the first and second abutting parts. The second holding member is engaged with the first holding member in such a manner that the second abutting part rotates contactably with/separably from the first abutting part. In a state of the second holding member engaged with the first holding member, a shank of the bolt is penetrated through the first and second holding members via a first through-hole formed in the first holding member and a second through-hole formed in the second holding member, and a head part 40a of the bolt is locked to the first holding member to restrict relative rotation of the bolt to a nut 41.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a mounting bracket, and in particular, to a mounting bracket that is attached to a goby portion that extends in a direction intersecting with a direction in which peaks and valleys are continuous in a folded plate roof having a corrugated cross section in which peaks and valleys are continuous. .

  For example, a roof structure referred to as a so-called folded plate roof may be adopted for a roof of a reinforcing bar building such as a factory or a carport. An outline of the structure of the folded plate roof will be described with reference to FIG.

  As shown in the figure, the folded plate roof 1 has a plate shape in which the end face waveform in which the peak portion 1A and the valley portion 1B are continuous extends in a direction intersecting with the direction in which the peak portion 1A and the valley portion 1B are continuous, It is formed by combining a plurality of roof members 1x.

  At one end edge of the roof member 1x, an attached portion 1a that protrudes upward and curves is formed, and at the other end edge of the roof member 1x, an end face bag-like shape combined with the attached portion 1a is formed. A mounting portion 1b is formed.

  By combining the mounting portion 1b with the mounted portion 1a, a folded plate roof 1 in which a goby portion 2 protruding upward is formed.

  By the way, when such a folded-plate roof 1 mounts a structure, for example, an outdoor unit of an air conditioner, on a roof of a reinforced building in which the roof structure is adopted, the mounting plate attached to the goby portion 2 is used. A rail is installed on the folded plate roof 1 in the form of a cross-girder, and a structure is placed on the rail.

  Patent Document 1 discloses a mounting bracket that is attached to the goby portion 2 when a structure is placed on the folded plate roof 1. The mounting bracket will be described with reference to FIG. 8 illustrating the outline of the mounting bracket.

  As illustrated, the mounting bracket 100 includes a first clamping member 101-1, a second clamping member 101-2, and bolts 110 and nuts that connect the first clamping member 101-1 and the second clamping member 101-2. 111 as a main component.

  The first clamping member 101-1 includes a pressing portion 102 having a substantially U-shaped cross section in which an abutting portion 102a that is in contact with one side of the goby portion 2 is formed, a connecting portion 103 rising from the pressing portion 102, and a connecting portion It is formed in a substantially S-shaped cross section having a rail mounting portion 104 bent from 103.

  Since the second clamping member 101-2 has the same configuration as the first clamping member 101-1, the same reference numerals are given to the same configuration as the first clamping member 101-1, and the description thereof is omitted. To do.

  The first clamping member 101-1 and the second clamping member 101-2 are overlapped with each other at the connecting portion 103 and temporarily fixed by a bolt 110 and a nut 111. While the sandwiching member 101-1 and the second sandwiching member 101-2 are rotated and displaced with respect to each other, the goby portion 2 is sandwiched between the contact portions 102a.

  When the bolt 110 and the nut 111 are fastened in this state, the abutting portions 102 a abut against the goby portion 2, the mounting bracket 100 is attached to the folded plate roof 1, and the rail 120 is attached to the rail of the mounting bracket 100. The unit 104 is installed.

JP-A-2006-188471

  However, the mounting bracket 100 of Patent Document 1 clamps the goby part 2 at the abutting part 102a while rotating the first clamping member 101-1 and the second clamping member 101-2 with each other. After the mounting bracket 100 is temporarily attached at an arbitrary position of the goby portion 2 extending in a direction intersecting with the continuous direction of the portion 1A and the valley portion 1B, the mounting bracket 100 is moved over the goze portion 2 to the actual mounting position. It needs to be moved and positioned.

  Therefore, there is a concern that the attaching operation to the attaching position in the goby portion 2 becomes complicated. In particular, since the mounting work of the mounting bracket 100 to the seam 2 is a mounting work at a high place, there is a concern that a high level of safety is required during the mounting work.

  This invention is made in view of the said situation, and makes it a subject to provide the attachment metal fitting which can be simply attached to the goby part of a folded-plate roof, and can make attachment work easy. It is.

  The mounting bracket according to the present invention for solving the above-mentioned problem is an upper portion extending in a direction intersecting with the continuous direction of the peak and valley in the folded plate roof having a corrugated cross section in which the peak and valley are continuous. A first clamping member having a first abutting portion that abuts on one side of the goby portion protruding to the other side of the goby portion of the folded-plate roof facing the first abutting portion of the first clamping member A second abutting portion that abuts against the first sandwiching member in cooperation with the first sandwiching member, and a second sandwiching member that sandwiches the cross section of the folded plate roof, and the first abutting portion of the first sandwiching member And the second abutting portion of the second clamping member, the mounting bracket including a fastening member that fixes the first clamping member and the second clamping member to each other in a state where the gore portion is clamped, In the second clamping member, the second abutting portion of the second clamping member is the first contact of the first clamping member. The fastening member is engaged with the first clamping member so as to be pivotable to and away from the part, and the fastening member includes a bolt having a head part and a shaft part and a nut fastened to the bolt, 2 The bolt is connected via a first through hole formed in the first holding part and a second through hole formed in the second holding part in a state where the two holding members are engaged with the first holding member. The bolt is inserted into the first clamping member and the second clamping member from the shaft portion, and the head of the bolt is locked to the first clamping member so that the bolt and the nut rotate relative to each other. Is regulated.

  According to this configuration, since the head portion of the bolt is locked to the first clamping member, the relative rotation of the bolt and the nut is restricted when the nut is fastened to the bolt.

  Therefore, since the bolt and the nut do not rotate relative to each other, there is no need to hold the head of the bolt when the nut is tightened to the bolt, and only the nut is moved in the bolt fastening direction. It can be tightened to the shaft part. As a result, the mounting operation when the mounting bracket is mounted on the goby portion is facilitated, and the safety during the mounting operation of the mounting bracket on the gobo portion at a high place is ensured.

  In the mounting bracket according to the present invention, the bolt is a hexagonal bolt in which the head is formed in a hexagonal shape in plan view, and the first clamping member includes the head of the bolt as the first clamping member. A first joint that joins to one side of the head of the bolt when positioned, and the other side of the head of the bolt when the first joint joins to one side of the head of the bolt A second joint part joined to the bolt, the first joint part joined to one side of the head of the bolt, and the second joint part joined to the other side of the bolt. The first clamping member is locked.

  According to this configuration, when the head is a hexagonal bolt formed in a hexagonal shape in a plan view, the bolt is joined to the first joint portion joined to one side of the bolt head and the other side of the bolt. The bolt is locked to the first clamping member by a simple configuration in which the second joint portion is formed on the first clamping member.

  The mounting bracket according to the present invention is configured such that when the first through hole into which the bolt is inserted and the second through hole are displaced from each other, the bolt with respect to the first clamping member is inserted. A guide groove for guiding the bolt is formed in the second clamping member so that the first through-hole and the second through-hole are positioned to face each other following the rotation of the second clamping member. It is characterized by that.

  According to this configuration, when the second clamping member is rotated with respect to the first clamping member, the bolt is guided by the guide groove following the rotation of the second clamping member 30, and the first through hole and The second through hole is positioned at a position facing each other.

  Thereby, the deviation of the 1st clamping member and the 2nd clamping member is corrected. Therefore, since the positioning at the time of attaching the mounting bracket to the goby portion can be easily performed, the efficiency of the mounting work of the mounting bracket is improved.

  The mounting bracket according to the present invention is a plate-like projecting portion having a tip edge projecting toward the first clamping member above the bolt in a state where the second clamping member is engaged with the first clamping member. The guide groove is formed by cutting out at a projection position in the projecting portion of the bolt when the first through hole and the second through hole are positioned at a position facing each other. A first side inclined from the tip edge of the portion toward the center line of the guide groove, a second side bent from the first side toward the inside of the protruding portion, and the second side A third side bent from the third side and extending in the direction intersecting the center line, a fourth side extending from the third side toward the tip edge, and the fourth side. And having a fifth side that bends and inclines in a direction away from the center line. .

  According to this configuration, when the mounting bracket is attached to the goby portion, the protruding portion protruding toward the first holding member is formed on the second holding member, and the guide groove is formed on the protruding portion. Ease of positioning can be ensured.

  According to this invention, the attachment work at the time of attaching a mounting bracket to a goby part becomes easy. As a result, safety is ensured when mounting the mounting bracket to the goby portion at a high place.

It is a front view explaining the outline of the attachment metal fitting concerning an embodiment of the invention. Similarly, it is a perspective view explaining the outline of the mounting bracket which concerns on this Embodiment. Similarly, it is a figure explaining the outline of the guide groove concerning this Embodiment. Similarly, it is a figure explaining the outline of the operation state of the attachment metal fitting which concerns on this Embodiment. Similarly, it is a front view explaining the outline of the state in which the mounting bracket according to the present embodiment is attached to the goby portion of the folded plate roof. Similarly, when the first clamping member and the second clamping member of the mounting bracket according to the present embodiment are deviated from each other, it is a conceptual diagram for explaining an outline of a state in which the deviation is corrected. It is a figure explaining the outline of the structure of a folded-plate roof. It is a figure explaining the outline of the conventional mounting bracket.

  Next, an embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is a front view for explaining the outline of the mounting bracket 10 according to the present embodiment, and FIG. 2 is an exploded perspective view of the mounting bracket 10.

  As illustrated, the mounting bracket 10 mainly includes a first clamping member 20, a second clamping member 30, and a bolt 40 and a nut 41 that are fastening members for fixing the first clamping member 20 and the second clamping member 30 to each other. Prepare as a configuration.

  In the present embodiment, the first clamping member 20 is made of aluminum having a first clamping part main body 21, a connecting part 22 that is continuous with the first clamping part main body 21, and an attachment part 23 that is continuous with the connecting part 22. And formed by press working.

  The first sandwiching part main body 21 is continuous from the first contact part 21A and the first contact part 21A in which the contact surface 21Aa that contacts one side of the goby part 2 of the folded plate roof 1 shown in FIG. 6 is set. It has a curved portion 21B curved in a substantially C-shaped cross section.

  Specifically, the curved portion 21B includes a bottom portion 21Ba continuous from the first contact portion 21A, a side portion 21Bb standing from the bottom portion 21Ba, an inclined portion 21Bc that bends inward from the side portion 21Bb, and is inclined. And an upper portion 21Bd formed by bending inward from the inclined portion 21Bc. A first joint X is set on the outer surface of the upper portion 21Bd.

  The connecting portion 22 is bent upward from the upper portion 21Bd of the curved portion 21B of the first sandwiching body 21 and extends continuously from the first connecting portion 22A and the first connecting portion 22A and intersects the first connecting portion 22A. The second connecting portion 22B extending in the direction to be bent, and the third connecting portion 22C extending upward from the second connecting portion 22B are formed into an end face type. A second joint Y is set on the outer surface of the second connecting portion 22B.

  On the other hand, in the present embodiment, the first connecting portion 22A is perforated with a first through hole 22Aa through which the bolt 40 is inserted. A bolt guide portion 22Ab that protrudes toward the second clamping member 30 is formed on the inner surface of the first connecting portion 22A below the first through hole 22Aa.

  The attachment portion 23 is a flat attachment portion main body 23A having an upper side surface 23a and a lower side surface 23b extending in a direction intersecting with the third connection portion 22C continuously with the third connection portion 22C of the connection portion 22. A through hole 23Aa that penetrates from the upper side surface 23a to the lower side surface 23b of the part main body 23A, and a pair of restricting parts 23B and 23B that protrude from the lower side surface 23b around the through hole 23Aa of the attachment part main body 23A.

  Further, the attachment portion 23 is formed with an end face hook-shaped engaged portion 23C protruding downward from the lower side surface 23b of the attachment portion main body 23A.

  In the present embodiment, the mounting bolt 24 is inserted into the through hole 23Aa drilled in the mounting portion main body 23A of the mounting portion 23. The mounting bolt 24 has a hexagonal head portion 24A and a shaft portion 24B in plan view. When the mounting bolt 24 is inserted from the shaft portion 24B into the through hole 23Aa, the mounting portion main body 23A is provided around the through hole 23Aa. The head 24 is fitted between the pair of restricting portions 23B and 23B protruding from the lower side surface 23b, and the mounting bolt 24 is locked to the mounting portion main body 23A.

  On the other hand, a plurality of washers 25 are fitted to the shaft portion 24B of the mounting bolt 24 protruding from the mounting portion main body 23A, and the nut 26 is mounted on the shaft portion 24B of the mounting bolt 24 with each washer 25 fitted. Is done.

  In the present embodiment, the second clamping member 30 is made of aluminum having a second clamping part main body 31 and a connecting part 32 continuous with the second clamping part main body 31, and is formed by pressing.

  The second sandwiching portion main body 31 is continuous from the second contact portion 31A and the second contact portion 31A in which the contact surface 31Aa that contacts the other side of the goby portion 2 of the folded plate roof 1 shown in FIG. 6 is set. The curved portion 31B is curved in a substantially inverted C shape.

  Specifically, the curved portion 31B includes a bottom portion 31Ba continuous from the second contact portion 31A, a side portion 31Bb standing from the bottom portion 31Ba, and an inclined portion 31Bc that is bent inward from the side portion 31Bb and inclined. Have.

  The connecting portion 32 includes a connecting portion main body 32A that is bent upward and extends from the inclined portion 31Bc of the curved portion 31B of the second sandwiching portion main body 31, and an end face hook type engaging portion 32B that is continuous from the connecting portion main body 32A. Is formed.

  On the other hand, in the present embodiment, the connecting portion main body 32A is perforated with a long second through hole 32Aa in the vertical direction through which the bolt 40 is inserted. A projecting portion 33 having a leading edge 33a projecting toward the first clamping member 20 is formed on the inner surface of the coupling portion main body 32A above the second through hole 32Aa.

  In the present embodiment, a guide groove 34 for guiding the bolt 40 is formed in the projecting portion 33.

  The first clamping member 20 and the second clamping member 30 having the above-described configuration are continuously formed on the engaged portion 23C of the attachment portion 23 of the first clamping member 20 from the connecting portion main body 32A of the second clamping member 30. The engaging part 32B is engaged.

  In this embodiment, the bolt 40 employs a general-purpose product having a head portion 40a and a shaft portion 40b formed in a hexagonal shape, and the first through hole 22Aa and the second clamping member formed in the first clamping member 20. The bolt 40 is inserted from the shaft portion 40b into the first and second clamping members 20 and 32Aa through the second through hole 32Aa formed in the shaft 30.

  At this time, the hexagonal head 40a of the bolt 40 is joined to the first joint X, one side of which is set to the curved portion 21B of the first sandwiching part body 21 of the first sandwiching member 20, and the other side is joined. The head 40 a of the bolt 40 is locked to the first clamping member 20 by joining to the second joint Y set to the second coupling part 22 B of the coupling part 22 of the first clamping member 20.

  The nut 41 is fastened to the bolt 40 via washers 42 and 43, and a general-purpose product is adopted in the present embodiment.

  FIG. 3 is a view for explaining the outline of the guide groove 34. As shown in the figure, the guide groove 34 is a bolt when the first clamping member 20 and the second clamping member 30 are positioned so that the first through hole 22Aa and the second through hole 32Aa face each other. The projection positions of the 40 protrusions 33 are cut out.

  The guide groove 34 has a first side 34a inclined from the tip edge 33a of the projecting portion 33 toward the center line C, and a second side extending from the first side 34a to the inside of the projecting portion 33 by bending. The side 34b, the third side 34c extending from the second side 34b in a direction intersecting the center line C, and the fourth side 34d extending from the third side 34c toward the tip edge 33a. And a fifth side 34e that is bent and inclined in a direction away from the center line C continuously with the fourth side 34d, the first side 34a and the fifth side 34e are separated from each other, and the tip edge 33a side is It is formed by expanding.

  The engaging portion 32B of the second holding member 30 having the above-described configuration is engaged with the engaged portion 23C of the first holding member 20, and the bolt 40 is pivoted through the first through hole 22Aa and the second through hole 32Aa. The nut 40 is inserted into the first clamping member 20 and the second clamping member 30 from the portion 40b, and the nut 41 is temporarily fixed to the shaft portion 40b of the bolt 40 with the washers 42 and 43 interposed therebetween.

  As a result, as shown in FIG. 4, the second abutting portion of the second clamping member 30 is centered on the engaged portion 23 </ b> C of the first clamping member 20 and the engaging portion 32 </ b> B of the second clamping member 30. 31A rotates so as to be able to contact and separate with respect to the first abutting portion 21A of the first clamping member 20.

  When attaching the mounting bracket 10 to the goby portion 2 of the folded plate roof 1, first, the mounting bracket 10 is attached to the bottom 21Ba of the first clamping member main body 21 of the first clamping member 20 and the second clamping member 30. 2 At the bottom 31Ba of the sandwiching member main body 31, it is placed on the top of the mountain portion 1A of the folded plate roof 1.

  Thereafter, the contact surface 21Aa of the first contact portion 21A of the first clamping member 20 is brought into contact with one side of the goby portion 2, and in this state, the contact of the second contact portion 31A of the second clamping member 30 The surface 31Aa is rotated so as to be close to the contact surface 21Aa of the first contact portion 21A of the first holding member 20, and the contact surface 31Aa of the second contact portion 31A of the second holding member 30 is turned into a goby portion. 2 is brought into contact with the other side.

  In this state, the nut 41 temporarily fixed to the shaft portion 40b of the bolt 40 is moved in the fastening direction, and the nut 41 is tightened using the connecting portion 32 of the second clamping member 30 as a seating surface.

  At this time, since the head portion 40a of the bolt 40 is locked to the first clamping member 20, when the nut 41 is fastened to the bolt 40, the relative rotation of the bolt 40 and the nut 41 is restricted. The

  Accordingly, since the bolt 40 and the nut 41 do not rotate relative to each other, it is not necessary to hold the head 40a of the bolt 40, and the nut 41 is simply moved by moving the nut 41 in the fastening direction of the bolt 40. It can be fastened to 40 shaft portions 40b. As a result, the attachment work when attaching the attachment fitting 10 to the goby part 2 becomes easy, and the safety during the attachment work of the attachment fitting 10 to the gouge part 2 at a high place is ensured.

  FIG. 5 is a front view for explaining an outline of a state in which the mounting bracket 10 is attached to the goby portion 2 of the folded plate roof 1. As shown in the figure, the mounting bracket 10 is attached to the goby portion 2 by holding the gouge portion 2 between the first contact portion 21A of the first holding member 20 and the second contact portion 31A of the second holding member 30. It is done.

  The rail 120 is attached to the attachment portion 23 in a state where the attachment bracket 10 is attached to the goby portion 2. Specifically, a mounting bolt 24 provided in the mounting portion 23 is inserted into an insertion hole (not shown) drilled in the rail 120, and a plurality of washers 25 and nuts 26 are inserted into the shaft portion 24B of the mounting bolt 24. The rail 120 is attached to the attachment part 23 by being fastened.

  At this time, since the mounting bolt 24 is locked to the mounting portion main body 23A, when the nut 26 is fastened to the mounting bolt 24, the relative rotation of the mounting bolt 24 and the nut 26 is restricted. .

  Accordingly, since the mounting bolt 24 and the nut 26 do not rotate relative to each other, there is no need to hold the head 24A of the mounting bolt 24, and the nut 26 is moved only in the fastening direction of the mounting bolt 24. 26 can be fastened to the shaft portion 24 </ b> B of the mounting bolt 24. As a result, the mounting work when mounting the rail 120 to the mounting bracket 10 becomes easy.

  By the way, as shown in FIG. 6A, when the mounting bracket 10 is attached, the first holding member 20 and the second holding member 30 are displaced from each other in the extending direction of the goby portion 2 of the folded roof 1. As a result, the first through hole 22Aa into which the bolt 40 is inserted and the second through hole 32Aa may be displaced from each other.

  At this time, if the second abutting portion 31A of the second clamping member 30 is rotated so as to be separated from the first abutting portion 21A of the first clamping member 20, the rotation of the second clamping member 30 is followed. The shaft portion 40b of the bolt 40 is guided by the first side 34a or the fifth side 34e (the fifth side 34e in the present embodiment) of the guide groove 34, so that the first through hole 22Aa and the second through hole 32Aa are formed. It is regulated so as to be positioned at positions facing each other.

  That is, in the present embodiment, the first clamping member 20 moves in the direction indicated by the arrow A, and the second clamping member 30 moves in the direction indicated by the arrow B. As a result, as shown in FIG. 6B, the first through hole 22Aa and the second through hole 32Aa are positioned to face each other via the shaft portion 40b of the bolt 40, and the first clamping member 20 and the first 2 Deviation from the clamping member 30 is corrected.

  Therefore, since the positioning at the time of attaching the mounting bracket 10 to the goby part 2 can be easily performed, the efficiency of the mounting work of the mounting bracket 10 is improved.

  In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of invention. In the above embodiment, the case where the second abutting portion 31A of the second clamping member 30 is formed to rotate with respect to the first abutting portion 21A of the first clamping member 20 has been described as an example. The first abutting portion 21 </ b> A of the first clamping member 30 may be formed to rotate with respect to the second abutting portion 31 </ b> A of the second clamping member 30.

DESCRIPTION OF SYMBOLS 1 Folded plate roof 2 Seam part 10 Mounting bracket 20 1st clamping member 21 1st clamping part main body 21A 1st contact part 21B Curved part 22 Connection part 22Aa 1st through-hole 23 Attachment part 30 2nd clamping member 31 2nd clamping Part main body 31A 2nd contact part 31B Bending part 32 Connection part 32Aa 2nd through-hole 40 Bolt 40a Head part 40b Shaft part 41 Nut 120 Rail X 1st junction part Y 2nd junction part

Claims (4)

In the folded plate roof having a corrugated cross-sectional shape in which the peaks and valleys are continuous, the first abutment contacts one side of the goby portion that extends in a direction intersecting the direction in which the peaks and valleys continue and projects upward. A first holding member having a contact portion; a first contact member that has a second contact portion that faces the first contact portion of the first sandwiching member and contacts the other side of the goby portion of the folded plate roof; A second sandwiching member that cooperates with the sandwiching member to sandwich the goby portion of the folded plate roof, and the first contact portion of the first sandwiching member and the second contact portion of the second sandwiching member. In the mounting bracket comprising a fastening member that fixes the first clamping member and the second clamping member to each other in a state where the gob portion is clamped by
The second holding member is arranged on the first holding member such that the second contact portion of the second holding member rotates so as to be able to contact with and separate from the first contact portion of the first holding member. Engaged,
The fastening member includes a bolt having a head portion and a shaft portion and a nut fastened to the bolt, and is formed in the first sandwiching portion in a state where the second sandwiching member is engaged with the first sandwiching member. The bolt is inserted into the first clamping member and the second clamping member from the shaft portion of the bolt via the first through hole and the second through hole formed in the second clamping portion,
The mounting bracket, wherein the head of the bolt is locked to the first clamping member and relative rotation between the bolt and the nut is restricted. The bolt is
The head is a hexagonal bolt formed in a hexagonal shape in plan view,
The first clamping member is
A first joint that joins to one side of the head of the bolt when the head of the bolt is positioned on the first clamping member;
A second joint that joins to the other side of the head of the bolt when the first joint joins to one side of the head of the bolt;
The first joint is joined to one side of the head of the bolt and the second joint is joined to the other side of the bolt, whereby the bolt is locked to the first clamping member. The mounting bracket according to claim 1, wherein the mounting bracket is characterized.   When the first through hole into which the bolt is inserted and the second through hole are displaced from each other, the second holding member is rotated with respect to the first holding member in a state in which the bolt is inserted. A guide groove for guiding the bolt is formed in the second clamping member so that the first through hole and the second through hole are positioned at a position where the first through hole and the second through hole face each other. The mounting bracket according to 1 or 2. The second clamping member is
A plate-like projecting portion having a tip edge projecting toward the first clamping member above the bolt while being engaged with the first clamping member;
The guide groove is
The first through hole and the second through hole are formed by being cut out at a projection position in the projecting portion of the bolt when the first through hole and the second through hole are positioned to face each other, and the guide from the tip edge of the projecting portion. A first side that inclines toward the center line of the groove, a second side that bends and extends from the first side toward the inside of the protrusion, and a direction that intersects the center line from the second side A third side that bends and extends, a fourth side that bends and extends from the third side toward the tip edge, and a direction that is continuous with the fourth side and separates from the center line Fifth side that bends and slopes,
The mounting bracket according to claim 3, further comprising:

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