JP2009156285A - Connection structure for bar-shaped member and attached plate part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection structure for a bar-shaped member and an attached plate part which is used when assembling various kinds of racks by combining bar-shaped members such as tubular members with each other. <P>SOLUTION: A pair of holding members 4A, 4B are fitted to a round pipe member 3 via holding parts 9, 10 provided on one end side and a bolt nut 5. Locking claw parts 13a, 14a with their fore ends extending in the approaching direction of the holding members 4A, 4B by the bolt nut 5 are projected on the other end side of the holding members 4A, 4B. A pair of locking holes 6a, 6b with the locking claw parts 13a, 14a being engaged, allowing taking-out and putting-in thereof, are provided on the attached plate part 2. The locking holes 6a, 6b are arranged at the spacing with the holding members 4A, 4B being fixed to the attached plate part 2 via the locking claw parts 13a, 14a and the pair of locking holes 6a, 6b with the locking claw parts 13a, 14a being engaged therewith when the holding members 4A, 4B are fitted to the round pipe member 3 by the bolt nut 5. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a connection structure between a rod-shaped member and a mounting plate portion that can be utilized when assembling various racks by combining rod-shaped members such as pipe members.

Various racks that are assembled by connecting a rod-shaped member constituting a load receiving portion to a support material are known from, for example, Patent Document 1. In the conventional connecting structure between a support member and a rod-like member described in Patent Document 1 or the like, an attachment for connecting to the support member is attached to an end of the stick-like member by a bolt nut or welding, and the attachment for connection is attached to the support member. It was comprised so that it might attach to the arbitrary height of the said support | pillar material using the attachment hole and bolt nut or pin which were provided in the material at equal intervals in the length direction.
JP-A-11-263408

  In the conventional configuration as described above, the attachment means for attaching the attachment to the rod-like member and the attaching operation and the attachment means for attaching the attachment to the support member and the attaching operation are required, which not only increases the cost but also the support. As a result, much labor and time are required to connect the rod-shaped member to the material.

  It is an object of the present invention to provide a connecting structure between a rod-shaped member and a mounting plate portion that can solve the conventional problems as described above. The connection structure with the plate portion is a connection structure between the rod-shaped member (round pipe material 3) and the mounted plate portion 2 when indicated by the reference numerals of the embodiments described later, and the rod-shaped member (round pipe material). 3) includes a pair of sandwiching members 4A and 4B each having a sandwiching portion 9 and 10 for sandwiching the rod-shaped member (round pipe member 3) from both sides, and the sandwiching members 4A and 4B are connected to each other. A fastening claw portion that is attached by a fastening bolt nut 5 to be tightened, and that has a tip extending in the approaching direction of the both clamping members 4A, 4B by the fastening bolt nut 5 on the other end side of the both clamping members 4A, 4B. 13a and 14a are projected, and the mounted plate 2 is provided with a pair of locking holes 6a and 6b in which the locking claws 13a and 14a of both clamping members 4A and 4B are detachably engaged. The pair of locking holes 6a and 6b are for fastening. When both the clamping members 4A and 4B are attached to the rod-shaped member (round pipe member 3) with the bolt and nut 5, the locking claws 13a and 14a that are close to each other and the locking claws 13a and 14a are engaged. Both sandwiching members 4A and 4B are arranged at intervals to be fixed to the mounted plate portion 2 through a pair of engaging holes 6a and 6b.

  In carrying out the present invention having the above-described configuration, specifically, as described in claim 2, the mounted plate portion 2 is a side plate portion of the column material 1, and the pair of locking holes 6a and 6b are the column material. The locking claw portions 13a and 14a of both the clamping members 4A and 4B are provided with a gap in the length direction of 1 and the tips of the locking claws 13a and 14a bend toward the sides close to each other inside the locking holes 6a and 6b. Can be formed into a shape. In this case, as described in claim 3, the pair of locking holes 6a and 6b are arranged in two rows in the width direction of the support column 1, and the locking claws 13a to 14b of the sandwiching members 4A and 4B are Two can be juxtaposed so as to engage with the locking holes 6a and 6b in each row.

  Furthermore, as described in claim 4, the position of the rod-shaped member (round pipe material 3) when the clamping members 4 </ b> A and 4 </ b> B are attached to the rod-shaped member (round pipe material 3) with the fastening bolt nut 5. However, it can be configured such that the center position between the locking claws 6a and 6b of the both clamping members 4A and 4B is biased toward any locking claw part 6a. In this case, as described in claim 5, the pair of locking holes 6 a and 6 b has the length of the support material 1 at equal intervals of an integer of the interval between the pair of locking holes 6 a and 6 b. A plurality of pairs are provided in the direction, and when the clamping members 4A and 4B are attached to the rod-shaped member (round pipe material 3) with the fastening bolt nut 5, the rod-shaped member (round pipe material 3) and each locking claw portion 13a. And the difference of space | interval S3, S4 between 14a can be comprised so that it may become half of space | interval S2 of the length direction of the support | pillar material 1 of the said locking holes 6a and 6b.

  Further, as described in claim 6, the mounted plate portions 17a and 17b are constituted by parallel both side plate portions of the column material (square pipe material 17), and the pair of locking holes 20a and 20b are formed of the column material ( Provided separately on the parallel both side plates of the square pipe material 17), and the parallel both side plates of the column material (square pipe material 17) at the end of the holding members 4A and 4B on the side where the locking claws are provided. Locking claw portions that are provided with holding column material clamping portions 21 and 22 to be engaged and engage with the locking holes 20a and 20b of the parallel side plate portions of the column material (square pipe material 17) from the column material clamping portions 21 and 22, respectively. 23 and 24 can be projected.

  In addition, as described in claim 7, the end portions of the rod-shaped member (round pipe material 3) that is perpendicular to the mounted plate portion 2 are clamped and fixed by the clamping portions 9 and 10 of the both clamping members 4A and 4B. In addition, as described in claim 8, a bar-shaped member (round pipe material 3) parallel to the mounted plate portion 2 is clamped and fixed by the clamping portions 18 and 19 of the both clamping members 4A and 4B. You can also.

  According to the connection structure between the rod-shaped member and the mounting plate portion according to the first aspect of the present invention, the locking claw portion positioned at one end of the pair of clamping members is inserted into the locking hole of the mounting plate portion. In such a state, the rod-shaped member is clamped between the clamping portions of the both clamping members, and in this state, both clamping members are clamped by fastening the clamping members to each other with a fastening bolt nut positioned between the mounting plate portion and the rod-shaped member. At the same time that the rod-shaped member is nipped and fixed between the members, the nipping member can be fixed to the mounted plate portion. That is, both the means for attaching the connecting member (a pair of clamping members) interposed between the rod-like member and the attached plate portion to the rod-like member and the means for attaching the attached member to the attached plate portion are combined with one fastening bolt and nut. Compared to the conventional configuration described above, it is possible to greatly reduce the labor and time required for connecting the rod-shaped member and the mounted plate portion, and the equipment cost.

  In addition, according to the structure of Claim 2, not only can it utilize as a connection structure of the rod-shaped member with respect to a support | pillar material, but it can connect a rod-shaped member firmly in the state without the shakiness in the length direction of the said support | pillar material. it can. In this case, according to the structure of Claim 2, a rod-shaped member can be more stably connected with respect to a support | pillar material.

  Moreover, according to the structure of Claim 4, when engaging the latching nail | claw part of both clamping members with a pair of latching hole by the side of a support | pillar material, it is only necessary to reverse the direction of both clamping members. The connecting position of the rod-shaped member with respect to the support material can be changed alternatively in the length direction of the support material. In other words, the connecting position of the rod-shaped member with respect to the support material can be changed alternatively in the length direction of the support material simply by providing a pair of locking holes on the support material side. In this case, according to the fifth aspect of the present invention, the connecting positions of the rod-shaped members can be changed in three steps at equal intervals in the length direction of the column material only by providing a pair of locking holes in two upper and lower stages. Therefore, by increasing the number of steps of the pair of locking holes, the connecting positions of the rod-shaped members can be changed at equal intervals in the length direction of the column material with the number of steps nearly double the number of steps of the locking holes. As a result of increasing the number of steps at which the connecting positions of the members can be selected, it is possible to suppress the strength of the column members from being lowered, and to suppress the reduction of the connecting strength due to the small size of the locking holes and the locking claws engaged therewith.

  Furthermore, according to the structure of Claim 6, since a pair of clamping member which clamps and fixes a rod-shaped member can be fixed to the said column material in the form which clamps a column material from both sides, the width direction of a column material It is possible to firmly connect the rod-shaped member and the support material while suppressing rattling. It is also effective when it is not desired to provide a locking hole on the front side of the support material.

  In addition, according to the structure of Claim 7, a rod-shaped member can be connected with a T-shape with respect to a support | pillar material etc., According to the structure of Claim 8, a rod-shaped member with respect to a support | pillar material etc. Can be connected in a cross shape, so that various racks can be assembled easily and easily by combining these configurations.

  A specific embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 to 4, reference numeral 1 denotes a column member provided with a mounted plate portion 2, and 3 denotes a rod shape attached to the column member 1. It is a round pipe material as a member. The round pipe member 3 is connected in a T-shape at right angles to the mounted plate portion 2 of the column member 1 through a pair of clamping members 4A and 4B and one fastening bolt nut 5. As shown in FIGS. 3A and 3B, the support material 1 is formed by opening a side plate portion corresponding to one short side of a rectangular pipe-shaped main body 1 a having a rectangular cross section, and is bent outwardly at the open portion. The parallel extending side plate portions 1b and 1c are formed over the entire length, and one long side equivalent side plate portion of the square pipe-shaped main body 1a is used as the mounted plate portion 2 for connecting the round pipe material 3, In the mounted plate portion 2, long-hole-shaped locking holes 6 that are long in the length direction of the column material 1 are arranged at equal intervals in the length direction of the column material 1 and in the width direction 2 of the mounted plate portion 2. It is drilled in a row.

  The pair of sandwiching members 4A and 4B includes main bodies 7 and 8 having arc-shaped cross sections that can be fitted and brought into contact with substantially half of the circumferential direction of the peripheral surface of the round pipe member 3. When the end portions of the round pipe material 3 are sandwiched between the sandwiching portions 9 and 10, which sandwich the round pipe material 3 from both sides in the diametrical direction in a substantially half region on one end side, Extending portions 11 and 12 that bend and protrude in opposite directions from the other ends of 7 and 8 are provided, and the distal ends of the extending portions 11 and 12 bend toward the side where the distal ends approach each other. The hook-shaped locking claws 13a and 13b and 14a and 14b are bent and connected to the extended portions 11 and 12 on the side opposite to the side where the clamping portions 9 and 10 are provided. Reinforcing ribs 11a and 12a are formed on the extension portions 11 and 12 at the corners between the main bodies 7 and 8, and the main bodies 7 and 8 further include the extension portions 11 and 12 and the clamping portion 9 respectively. , 10 are provided with bolt holes 15, 16 through which the bolt 5a of the fastening bolt nut 5 is inserted between both the bodies 7, 8. In addition, circular recesses 15a and 16a into which the bolt heads 5b and nuts 5c are loosely fitted are formed outside the bolt holes 15 and 16, respectively.

  The locking claw portions 13a and 13b and the locking claw portions 14a and 14b of the pair of sandwiching members 4A and 4B have a height that can be inserted into and removed from the locking holes 6 on the column material 1 side. Projections are provided at intervals that can be simultaneously engaged with two locking holes 6 arranged in parallel in the width direction. Further, when the ends of the round pipe member 3 are clamped by the clamping parts 9 and 10 of the pair of clamping members 4A and 4B, the distance S1 between the locking claw parts 13a and 13b and the locking claw parts 14a and 14b. Is a distance at which the mounting plate portion 2 can be sandwiched between the pair of locking holes 6a and 6b, with the two locking holes 6 being interposed between the locking holes 6 on the column material 1 side. It is configured. In other words, the column member 1 has a locking hole 6a that engages with the locking claws 13a and 13b of the pair of clamping members 4A and 4B, and a locking hole 6b that engages the locking claws 14a and 14b. However, the locking holes 6 are spaced in the interval S2 so that they are arranged in the length direction of the support material 1 at an interval of an integer (1/3 in the illustrated example) of the interval between the locking holes 6a and 6b. At equal intervals. And when the edge part of the round pipe material 3 is clamped by the clamping parts 9 and 10 of a pair of clamping members 4A and 4B, the center of the round pipe material 3 is the locking claw parts 13a and 13b and the locking claw part 14a. , 14b, but not at the center position between the center of the round pipe member 3 and the locking claws 13a, 13b. The difference between the distance S3 and the distance S4 between the center of the round pipe member 3 and the locking claws 14a, 14b is half of the distance S2 in the length direction of the support material 1 of the locking hole 6. The heights (lengths) of the extending portions 11 and 12 of the pair of sandwiching members 4A and 4B are changed.

  According to the above configuration, as shown in FIGS. 1 and 2, the locking claws 13 a and 13 b of the holding member 4 </ b> A are engaged with the two locking holes 6 a arranged in parallel selected from the locking holes 6 of the support column 1. At the same time, the locking claws 14a and 14b of the clamping member 4B are inserted into the two locking holes 6b arranged in parallel in the length direction of the column 1 from the two locking holes 6a. The end of the round pipe member 3 is inserted between the holding portions 9 and 10 of both the holding members 4A and 4B in a state where the holding portions 9 and 10 of 4A and 4B are engaged in the facing direction. By fastening the clamping members 4A and 4B to each other by the bolt 5a and the nut 5c of the fastening bolt nut 5 inserted through the bolt holes 15 and 16, the end portion of the round pipe member 3 is sandwiched between the both clamping portions 9 and 10. At the same time as fixing, the locking claw portions 13a and 13b and the locking claw portions 14a and 14b Ri, a pair of retaining holes 6a of the struts 1, to be mounted plate portion 2 between 6b is sandwiched and fixed. As a result, the round pipe member 3 is connected in a T shape in a direction perpendicular to the support member 1.

  When changing the connecting position of the round pipe material 3 to the support material 1, that is, the attachment position of the pair of clamping members 4A and 4B to the support material 1 in the length direction of the support material 1, the locking claws 13a and 13b and the engagement member The locking holes 6a and 6b with which the pawl portions 14a and 14b are engaged may be changed to the locking holes 6 at other positions in the length direction of the column material 1, but as shown in FIG. The locking holes 6a and 6b with which the locking claw portions 13a and 13b and the locking claw portions 14a and 14b engage are defined as locking holes 6a-1 and 6b-1, and are one step higher in the length direction of the column material 1. When the engaging claw portions 13a and 13b and the engaging claw portions 14a and 14b are engaged with a pair of engaging holes 6a-2 and 6b-2 having different lengths to connect the round pipe member 3 to the column member 1, The position of the round pipe material 3 is changed in the length direction of the support material 1 by the distance S2 of the locking hole 6 with respect to the connection position of However, at this time, the clamping members 4A and 4B are rotated by 180 degrees around the round pipe member 3, and the locking claws 14a and 14b of the longer extending portion 12 are locked to the locking holes 6a-2. And by engaging the locking claws 13a and 13b of the shorter extension portion 11 with the locking hole 6b-2, half of the interval S2 of the locking hole 6 with respect to the original connection position. Only the position of the round pipe member 3 can be changed in the length direction of the column member 1. That is, by combining the selection of the locking hole 6 and the 180-degree rotation operation of the clamping members 4A and 4B, the connection position of the round pipe material 3 with respect to the column material 1 is set to a pitch that is half the interval S2 of the locking hole 6. It can be changed step by step.

  In addition, as shown in FIG. 3C, by providing the locking holes 6 with the long side equivalent side plate portions on both sides of the column material 1 as the mounted plate portions 2a and 2b, any of the mounted plate portions 2a on both sides of the column material 1 is provided. , 2b, the round pipe member 3 can be connected in a T-shape. Of course, when the side plate portion of the column material is used as the mounted plate portion, a round pipe material, a square pipe material, an angle material, and other various cross-sectional shapes can be used as the column material. Further, the mounted plate portion is not limited to the side plate portion of the column material. For example, a portion made of the plate material or a plate material protruding from the structure is used as the mounted plate portion. You can also. As shown in FIG. 3D, when the column material 1 made of a general square pipe material 17 is used, all of the four side plate portions (or selected 1 to 3 side plate portions) are attached plate portions 2a to 2d. As shown in FIG. 4, each of the locking holes 6 is provided so that the round pipe material 3 can be connected to any of the four side plate portions (or the selected 1 to 3 side plate portions) of the column material 1 (square pipe material 17) in a T shape. Can be configured.

  In the embodiment shown in FIG. 6 and FIG. 7, the length direction of the round pipe member 3 in a direction crossing the column member 1 in a cross shape instead of the holding portions 9 and 10 in the pair of holding members 4A and 4B. Clamping portions 18 and 19 that can clamp the intermediate portion are provided. Also in this case, as shown in the figure, the column material 1 made of the square pipe material 17 is used, and all of the four side plate portions are used as the attachment plate portions 2a to 2d, and the locking holes 6 are provided in the respective plate members 1 ( The round pipe material 3 can be configured to be cross-coupled in a cross shape to any of the four side plate portions of the square pipe material 17).

  In the embodiment shown in FIGS. 8 and 9, the column material 1 made of the square pipe material 17 is used, and the parallel both side plate portions are used as the attachment plate portions 17 a and 17 b, and the column material 1 is long in the length direction. Holes 20a and 20b are provided at appropriate intervals in the length direction of the column member 17, and locking claws of both clamping members 4A and 4B provided with the clamping portions 9 and 10 for clamping the ends of the round pipe material 3 are provided. Instead of the extending portions 11 and 12, the end portions on the side to be provided are provided with column material clamping portions 21 and 22 that sandwich the parallel both side plate portions 17a and 17b of the column material 1 (square pipe material 17), Locking claw portions 23 and 24 that engage with the locking holes 20a and 20b of the parallel both side plate portions 17a and 17b are projected from the tips of the column member clamping portions 21 and 22, respectively. Unlike the locking claw portions 13a to 14b in the previous embodiment, the locking claw portions 23 and 24 are merely inserted into the locking holes 20a and 20b in the hole penetration direction. In the state, it is desirable that there is almost no play in the length direction of the locking holes 20a and 20b (length direction of the square pipe member 17).

  In this embodiment, both the clamping members 4A and 4B can use one type of clamping member with its orientation changed so that the clamping portions 9 and 10 face each other. Thus, in a state where both the clamping members 4A and 4B are juxtaposed in the width direction of the column material 1 (square pipe material 17), the locking claw portion 23 of the clamping member 4A is attached to the plate portion on one side of the column material 1 17a is inserted sideways into the locking hole 20a, and the locking claw portion 24 of the clamping member 4B is inserted sideways from the opposite side into the locking hole 20b of the mounted plate portion 17b on the opposite side of the column member 1, The to-be-attached board parts 17a and 17b which are parallel both-sides board parts of the support | pillar material 1 are clamped by the support | pillar material clamping parts 21 and 22 of both clamping members 4A and 4B. The round pipe member 3 is fastened by fastening bolts and nuts 5 with the end portions of the round pipe member 3 inserted between the sandwiching portions 9 and 10 of the sandwiching members 4A and 4B. Are sandwiched and fixed between the sandwiching portions 9 and 10 of both sandwiching members 4A and 4B, and the support member sandwiching portions 21 and 22 of both sandwiching members 4A and 4B are sandwiched and secured in the width direction. Can do. The locking claw portions 23 and 24 move in a direction in which the pair of sandwiching members 4A and 4B fixed to the round pipe member 3 are separated from the column material 1 (square pipe material 17) and the column material 1 (square pipe material 17). The movement in the length direction is prevented.

  Also in this embodiment, as shown in the previous embodiment, the round pipe material 3 can be connected in a T-shape in a direction perpendicular to the one side plate portion of the column material 1 (square pipe material 17). As shown in the drawing, each side plate portion to which the round pipe material 3 is connected so that the round pipe material 3 can be connected in a T shape to all the side plate portions (or the selected one to three side plate portions). Locking holes 20a and 20b can be provided in parallel both side plate portions (attached plate portions 17a and 17b) on both sides.

  In addition, although the round pipe material 3 was illustrated as a rod-shaped member connected with a to-be-attached plate part by a pair of clamping member 4A, 4B and the fastening volt | bolt nut 5, hollow rod shape of arbitrary cross-sectional shapes, such as a square pipe material, was illustrated. A member or a solid rod-like member can be used.

Fig. A is a partially longitudinal front view showing the first embodiment, and Fig. B is a side view thereof. FIG. A is a side view of the strut material, B is a cross-sectional plan view, C is a cross-sectional plan view showing a modification of the strut material, and D is a cross-sectional plan view of the strut material using a square pipe material. A is a front view of one clamping member, B is a plan view, C is a right side view, D is a left side view, E is a front view of the other clamping member, and F is a bottom view. , G is the right side view, and H is the left side view. FIGS. A to C are side views for explaining the change of the connection position of the rod-shaped member (round pipe material) with respect to the support material. It is a partial cross-sectional top view which shows 2nd embodiment. Fig. A is a longitudinal front view of the same, and Fig. B is a cross-sectional plan view showing a pair of clamping members. It is a partial cross-sectional top view which shows 3rd embodiment. Fig. A is a front view of the same, and Fig. B is a cross-sectional plan view showing a pair of clamping members.

Explanation of symbols

1 Column material 2 (2a to 2d) Mounted plate part 3 Round pipe material (bar-shaped member)
4A, 4B A pair of clamping members 5 Fastening bolt nuts 6 (6a, 6b, 20a, 20b) Locking holes 7, 8 Main bodies 9, 10, 18, 19 of the clamping members Nipping parts 11, 12 of the clamping members Extension parts 13a-14b, 23, 24 Locking claw parts 15, 16 Bolt hole 17 Square pipe material (post material)
21, 22 Prop material clamping part

Claims (8)

  A connecting structure of a rod-shaped member and a mounting plate portion, wherein the rod-shaped member includes a pair of clamping members each provided with a clamping portion that clamps the rod-shaped member from both sides thereof. Fastening bolts and nuts to be tightened are attached. On the other end side of the both clamping members, a locking claw portion extending in the approaching direction of the both clamping members by the fastening bolts and nuts protrudes, The plate portion is provided with a pair of locking holes in which the locking claws of the both holding members are detachably engaged, and the pair of locking holes are a fastening bolt nut and the both holding members are connected to the rod-shaped member. When being attached, they are arranged at intervals at which both clamping members are fixed to the attached plate portion via the locking claw portions in a state of being close to each other and a pair of locking holes with which the locking claw portions engage. Between the rod-shaped member and the mounted plate Quite concrete.   The mounted plate portion is a side plate portion of the column material, and the pair of locking holes are provided at intervals in the length direction of the column material, and the locking claw portions of both the holding members have the tips at the ends. The connection structure between the rod-shaped member and the mounting plate portion according to claim 1, wherein the connecting member is formed in a bowl shape that bends toward the sides close to each other inside the locking hole.   The pair of locking holes are arranged in two rows in the width direction of the column material, and the two locking claws of each clamping member are arranged in parallel so as to engage with the locking holes in each row separately. The connection structure of the rod-shaped member of Claim 2, and a to-be-attached board part.   The position of the rod-shaped member when the both clamping members are attached to the rod-shaped member with the fastening bolts and nuts is deviated from the central position between the locking claw portions of the both clamping members to one of the locking claw portions. The connection structure of the bar-shaped member according to claim 2 or 3 and the mounted plate portion, which is configured to be.   A plurality of pairs of locking holes are provided in the length direction of the column material at equal intervals of an integer of the interval between the pair of locking holes, and both clamping members are attached to the rod-shaped member with fastening bolts and nuts. The difference of the space | interval between the said rod-shaped member and each latching claw part when being used is comprised so that it may become a half of the space | interval of the column material length direction of the said locking hole. The connection structure of the rod-shaped member of description and a to-be-attached board part.   The mounted plate portion is a parallel both side plate portion of the supporting column material, and the pair of locking holes are provided separately on the parallel both side plate portions of the supporting column material, on the side where the locking claw portions of the both clamping members are provided. At the end, there is provided a strut material sandwiching portion for sandwiching the parallel both side plate portions of the strut material, and from this strut material sandwiching portion there are locking claws that engage with the respective locking holes of the parallel both side plate portions of the strut material. The connection structure of the rod-shaped member of Claim 1 and the to-be-attached board part which are protrudingly provided.   The clamping part of both clamping members clamps and fixes the edge part of the rod-shaped member at right angles with respect to the to-be-attached plate part, The rod-shaped member and attachment board part of any one of Claims 1-6 Connected structure.   The connecting structure of the bar-shaped member and the mounted plate part according to any one of claims 1 to 5, wherein the holding part of both the holding members clamps and fixes a bar-shaped member parallel to the mounted plate part.

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