JP2017008713A - Stud collapse prevention fitting and fitting method thereof and partition bed structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stud collapse prevention fitting, which prevents a stud from coming off even if a larger vertical displacement than an insertion amount of the stud into a runner occurs, and a fitting method of the stud collapse prevention fitting and a partition bed structure.SOLUTION: A stud collapse prevention fitting comprises: a body part 10A, which is mounted on an end of a stud 3 to be inserted in a runner 2; a fixing part 20A, which fixes the body part 10A on the runner 2; and an engagement mechanism 30A, which allows the stud 3 to displace in a vertical direction Z and engages the body part 10A to the stud 3 when the stud displaces at least by a longer distance than an insertion amount of an end of the stud 3 into the runner 2.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a stud collapse prevention metal fitting, a method for attaching the stud collapse prevention metal fitting, and a partition base structure.

  The load that a building receives during an earthquake is generally known as a horizontal load and another load in the vertical direction. When a vertical force is applied to the building, a force of its own weight + α is applied, and the beam and slab deform in the form of deflection. In the case of a partition material or the like, confirmation is made so that it can withstand the seismic horizontal force depending on the strength of the member.

  As shown in FIG. 27A, the steel partition base material described in JIS A 6517 has a specification in which the stud 3 is inserted into a rail material called the runner 2, and the stud 3 is not fixed to the runner 2. This follows the inter-layer displacement in the in-plane direction. As shown in FIG. 5B, when the displacement amount dz in the vertical direction Z exceeding the insertion amount D into the runner 2 is generated, the stud 3 is removed from the runner 2. It will come off and the partition will collapse.

  Further, as shown in FIG. 28 (a), the stud 3 is only inserted into the runner 2 and is not fixed. Therefore, when a horizontal load (X direction in the figure) is applied, the stud 3 is shown in FIG. As shown, the stud 3 is twisted and deformed, the flange 2b of the runner 2 is also deformed, and the insertion (fitting) state between the runner 2 and the stud 3 is loosened. Then, in combination with the fluctuation in the vertical direction Z described above, the stud 3 may fall off the runner 2.

JIS A 6517 (steel partition base material)

  In view of such a conventional situation, the present invention provides a stud collapse prevention metal fitting that can prevent the stud from falling off even if a vertical displacement exceeding the insertion amount of the runner and the stud occurs, a mounting method of the stud collapse prevention metal fitting, and a partition base structure The purpose is to provide.

  In order to achieve the above object, the stud collapse prevention metal fitting according to the present invention is characterized in that a main body portion attached to an end portion of a stud inserted into a runner, a fixing portion for fixing the main body portion to the runner, and the stud And an engagement mechanism that engages the main body with the stud when the fluctuation exceeds the amount of insertion of the end of the stud into the runner.

  According to the above characteristic configuration, the main body portion mounted on the end portion of the stud inserted into the runner is fixed to the runner. Therefore, the strength against the load in the vertical direction is improved, and the falling of the stud from the runner is suppressed. In addition, the engaging mechanism allows the stud to fluctuate in the vertical direction and engages the main body portion with the stud at the time of fluctuation exceeding the amount of insertion of the end portion of the stud into the runner. Even if this displacement occurs, the stud can be prevented from falling off by causing the stud to follow the displacement in the vertical direction. In addition, the main body connected to the runner via the fixed part is engaged with the stud by the engaging mechanism, so the strength against horizontal load is improved, and the twisting and deformation of the stud are suppressed, and the stud is prevented from falling off due to the deformation. it can.

  The main body portion has a substantially U-shape in a plan view including a pair of opposing flanges and a web connecting the flanges, and the fixing portion is at least one of the pair of flanges of the main body portion and the web of the main body portion. A pair of flanges of the main body portion, which are positioned along the pair of flanges of the stud and slidable in the axial direction of the stud, and the pair of flanges of the main body portion and the web of the main body portion May constitute the engagement mechanism. Thereby, since a pair of flange of a main-body part makes a stud follow a vertical direction displacement, the drop-off | omission from the runner of a stud can be prevented. In addition, the twist and deformation of the stud are suppressed by the pair of flanges and the web of the main body portion constituting the engagement mechanism, and the stud can be held in the runner more firmly.

  In this case, the web of the main body portion is located along the web of the stud inside the stud, and the pair of flanges of the main body portion has a curved portion along the end shape of the flange of the stud at the tip. The curved portion may be engaged with an end portion of the flange of the stud. Since the front ends of the pair of flanges of the main body portion are curved portions that conform to the end shape of the flange of the stud, the twist and deformation of the stud can be further suppressed by the engagement between the curved portion and the end of the flange of the stud.

  The web of the main body may be positioned so as to straddle the opening of the stud inside the stud, and the end of the flange of the main body may engage with the corner of the stud. Since the web of the main body is positioned inside the stud, there is no need to change the dimension (width) of the runner in accordance with the stud collapse prevention metal fitting, and versatility is high. Moreover, the twisting and deformation of the stud can be further suppressed by the engagement between the end of the flange of the main body and the corner of the stud.

  The web of the main body is positioned along the web of the stud outside the stud, and the pair of flanges of the main body has a curved portion along the shape of the end of the flange of the stud at the tip. And the said curved part can also be set as the structure engaged with the edge part of the flange of the said stud. Even in such a configuration, the twist and deformation of the stud can be further suppressed by the engagement between the curved portion and the end of the flange of the stud.

  The web of the main body is positioned so as to straddle the opening of the stud on the outside of the stud, and the pair of flanges of the main body are curved portions along the end shape of the flange of the stud at the tips thereof. The curved portion may be configured to engage with a corner portion of the stud. Even in such a configuration, the twist and deformation of the stud can be further suppressed by the engagement between the curved portion and the corner portion of the stud.

  The main body portion has a generally square shape in plan view including a pair of first surface portions and a pair of second surface portions facing each other, and the fixing portion is a pair of first and second surface portions. The pair of first and second planar portions are located along the outer peripheral surface of the stud and are slidable in the axial direction of the stud, and the pair of first and second The two-surface portion may constitute the engagement mechanism. Thereby, since a pair of 1st, 2nd planar part makes a stud follow a displacement with respect to a perpendicular direction, drop-off from the runner of a stud can be prevented. In addition, the twist and deformation of the stud are suppressed by the pair of first and second planar portions constituting the engagement mechanism, and the stud can be held more firmly in the runner.

  The main body includes a pair of opposing plate-like portions connected and fixed by the fixing portion, and the pair of plate-like portions are positioned along the pair of flanges of the stud inside the stud and of the stud. It is possible to slide in the axial direction, and the pair of plate-like portions may constitute the engagement mechanism. Since the pair of plate-like portions cause the stud to follow the vertical displacement, it is possible to prevent the stud from falling off from the runner. Moreover, the twist and deformation of the stud are suppressed by the pair of plate-like portions constituting the engaging mechanism, and the stud can be held more firmly in the runner.

  In this case, the side end portions of the pair of plate-like portions may be engaged with at least one of the end portion of the flange of the stud and the corner portion of the stud. By engaging the side end portion with the end portion of the flange or the corner portion of the stud, twisting and deformation of the stud can be further suppressed.

  The main body includes a pair of opposed plate-like portions connected and fixed by the fixing portion, and the pair of plate-like portions are positioned between the pair of flanges of the stud and perpendicular to the flanges, and the stud The pair of plate-like portions can constitute the engagement mechanism. Even in such a configuration, the pair of plate-like portions cause the stud to follow the vertical displacement and suppress the twisting and deformation of the stud, so that the stud can be held more firmly in the runner.

  In any one of the characteristic configurations described above, the main body portion may further include a clip portion that is slidably held in at least one of the web of the stud and the pair of flanges in the axial direction of the stud. Thereby, the twist and deformation | transformation of a stud can be suppressed further.

  The main body portion has an upper step portion and a lower step portion that are continuously stepped in the axial direction of the stud by a bent portion, and the bent portion can slide the tip of the flange of the stud on the side portion thereof in the axial direction of the stud. It is also possible to have a recessed portion to be fitted, and the upper step portion, the lower step portion, and the concave portion constitute the engaging mechanism. Thereby, since a recessed part makes a stud follow a displacement of a perpendicular direction, drop-off from a runner of a stud can be prevented. In addition, twisting and deformation of the stud are suppressed by the upper step portion, the lower step portion, and the concave portion constituting the engagement mechanism, and the stud can be held more firmly in the runner.

  The main body has a clip portion that slidably holds at least one of the web of the stud and the pair of flanges of the stud so as to be slidable in the axial direction of the stud, and the clip portion constitutes the engagement mechanism. Is possible. Thereby, since a clip part follows a stud with respect to the displacement of a perpendicular direction, drop-off from the runner of a stud can be prevented. In addition, the torsion and deformation of the stud are suppressed by the clip portion constituting the engagement mechanism, and the stud can be held more firmly in the runner.

  In this case, the main body may have a plate shape facing the web of the stud, and the main body may be located between the protrusions of the stud web outside the stud. Since the web of the main body is positioned between the protrusions of the stud web outside the stud, twisting and deformation of the stud can be further suppressed.

  Further, the main body portion has a plate shape facing the web of the stud, and has a bent portion to be engaged with a corner portion of the stud inside the stud at a side end portion thereof. You may engage with the said corner | angular part. The engagement between the bent portion and the corner portion can further suppress the twisting and deformation of the stud.

  The main body has a plate-like shape facing the web of the stud, has a bent portion bent upward at one end and penetrating a through-hole of the web of the stud, and the bent portion is engaged. A mechanism may be configured. Thereby, since the bending part which penetrates the through-hole of the web of a stud makes a stud follow a displacement of a perpendicular direction, falling-off of a stud from a runner can be prevented. In addition, the twisted portion and the deformation of the stud are suppressed by the bent portion constituting the engagement mechanism, and the stud can be held more firmly in the runner.

  Moreover, the said fixing | fixed part is good to have a horizontal direction fluctuation | variation tolerance mechanism which accept | permits the fluctuation | variation to the horizontal direction of the said stud. In such a case, the horizontal direction variation permissive mechanism may be a long hole along the longitudinal direction of the stud.

  Assuming that a vertical displacement amount that exceeds the amount of insertion into the runner occurs at the upper end of the stud, a metal fitting that covers the displacement amount is attached, and the hardware is fixed to the slab surface. At this time, the hardware is slid in the stud and is not fixed. Further, the fixing portion to the slab surface can also cope with the amount of interlayer displacement by elongating a pilot hole or the like. Even if vertical displacement occurs in this state, the stud is held, so that the partition wall can be prevented from collapsing.

  Furthermore, it is preferable that the fixing portion is located inside the stud, and the fixing portion has the elongated hole at one central position. The torsion of the stud caused by the horizontal load is generated around a connecting member that passes through the long hole and connects the fixed portion and the runner. Therefore, as the distance from the center of the twist increases, deformation due to the twist tends to occur. Therefore, by positioning the fixing portion inside the stud and providing a long hole at one central portion of the fixing portion, it is possible to suppress the torsional load generated in the stud, and to more efficiently suppress the torsion (deformation). It becomes possible.

  In order to achieve the above object, the stud collapse preventing bracket mounting method according to the present invention is characterized in that in the stud collapse preventing bracket mounting method according to any one of the above, the body portion is attached to the end of the stud. The main body portion is fixed to the runner so as to allow variation in the longitudinal direction of the runner.

  In order to achieve the above object, the partition base structure according to the present invention is characterized by a pair of runners arranged vertically and a stud having an end inserted into the runner at an appropriate interval between the pair of runners. A main body portion that is attached to an end portion of a stud that is inserted into the upper runner, a fixing portion that fixes the main body portion to the upper runner, and at least a variation in the vertical direction of the stud is allowed. A stud collapse prevention metal fitting having an engagement mechanism for engaging the main body with the stud when the end portion of the stud exceeds the amount of insertion into the runner, and the upper runner and the stud are collapsed with the stud. It is connected through a prevention metal fitting.

  According to the feature of the stud collapse prevention metal fitting according to the present invention, it is possible to prevent the stud from collapsing even if a vertical displacement exceeding the insertion amount of the runner and the stud occurs.

  Other objects, configurations, and effects of the present invention will become apparent from the following embodiments of the present invention.

It is a perspective view which shows an example of the partition base material using the stud collapse prevention metal fitting which concerns on this invention. It is a figure which shows the state which mounted | wore the end part of the stud with the stud collapse prevention metal fitting which concerns on 1st embodiment of this invention, (a) is a front perspective view, (b) is a back perspective view, (c) is a top view. It is. (A) is a perspective view showing a mounting state of the stud collapse prevention metal fitting of FIG. 2, (b) is a perspective view showing a state when a vertical load is generated, and (c) is a perspective view of the stud collapse prevention metal fitting. is there. FIG. 3 is a diagram corresponding to FIG. 2 illustrating a first modification of the first embodiment. It is FIG. 3 equivalent view which shows the 1st modification of 1st embodiment. It is explanatory drawing explaining the relationship between the twist which arises in a stud, and the position of a fixing | fixed part. It is FIG. 2 equivalent view which shows the 2nd modification of 1st embodiment. It is FIG. 3 equivalent view which shows the 2nd modification of 1st embodiment. FIG. 9 is a diagram corresponding to FIG. 2 and showing a third modification of the first embodiment. FIG. 6 is a diagram corresponding to FIG. 3 and showing a third modification of the first embodiment. FIG. 3 is a view corresponding to FIG. 2 showing a second embodiment of the present invention. FIG. 4 is a view corresponding to FIG. 3 showing a second embodiment of the present invention. FIG. 3 is a diagram corresponding to FIG. 2 showing a modification of the second embodiment. FIG. 4 is a diagram corresponding to FIG. 3 showing a modification of the second embodiment. FIG. 3 is a view corresponding to FIG. 2 showing a third embodiment of the present invention. It is FIG. 3 equivalent view which shows 3rd embodiment of this invention. FIG. 9 is a diagram corresponding to FIG. 2 illustrating a modification example of the third embodiment. FIG. 10 is a view corresponding to FIG. 3 and showing a modification of the third embodiment. It is FIG. 2 equivalent view which shows 4th embodiment of this invention. FIG. 6 is a view corresponding to FIG. 3 showing a fourth embodiment of the present invention. FIG. 10 is a diagram corresponding to FIG. 2 illustrating a modification of the fourth embodiment. FIG. 10 is a view corresponding to FIG. 3 showing a modification of the fourth embodiment. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention. It is a perspective view which shows the insertion state to the runner of the conventional stud, (a) is a figure which shows an attachment state, (b) is a figure which shows a state when the load of a perpendicular direction arises. It is a figure explaining the state which the horizontal load produced, (a) is a figure which shows a normal attachment state, (b) is a figure which shows the state when the torsional load has arisen.

Next, the first embodiment of the present invention and its modifications will be described in more detail with reference to FIGS.
A stud collapse preventing metal fitting 1 according to the present invention includes, for example, a pair of runners 2 disposed vertically as shown in FIG. 3 is mainly used for the partition base material 100 made of 3.
In addition, in the example of FIG. 1, although the steady rest 4 has penetrated the stud 3, it is not restricted to this aspect. For the runner 2 and the stud 3, for example, a channel material having a substantially U-shaped cross section is used. The height of the flange 2b of the runner 2 may be set according to the assumed vertical displacement, and is not particularly limited to the prescribed dimensions of the runner 2 (rail material).

  As shown in FIGS. 2 and 3, the stud 3 in the present embodiment generally includes a web 3 a and a pair of flanges 3 c and 3 c. At the tip of the flange 3c, for example, a curved portion 3d curved in a substantially semicircular shape is provided. Further, a recess 3e is formed inside the corner portion of the stud 3 (the connecting portion between the web 3a and the flange 3c). Due to the recess 3e, the side end of the web 3a becomes a protruding portion 3g protruding outward from the web 3a.

  As shown in FIGS. 2 and 3, the stud collapse prevention metal fitting 1 </ b> A according to the first embodiment of the present invention includes a main body portion 10 </ b> A attached to the upper end portion of the stud 3 inserted into the runner 2 and a main body portion 10 </ b> A on the runner 2. 20A is provided. In the present embodiment, the main body portion 10A and the fixed portion 20A are formed, for example, by bending a substantially rectangular metal plate at a substantially right angle.

  As shown in FIGS. 2 and 3, the main body portion 10 </ b> A has a substantially U shape in plan view, and includes a main body web 13 and a pair of main body flanges 14 and 14. The main body flange 14 has a main body curved portion 14 a at the front end thereof along the front end 3 d of the stud 3. Therefore, the main body 10 </ b> A is attached to the stud 3 so as to be slidable in the vertical direction Z by the pair of main body flanges 14 and 14, and suppresses the movement of the runner 2 in the horizontal direction X perpendicular to the longitudinal direction Y.

  As shown in FIGS. 2 and 3, the fixing portion 20 </ b> A has a long hole 21 formed along the longitudinal direction Y of the runner 2 at approximately one central portion. The fixing portion 20 </ b> A has a flat plate shape, and is connected and fixed to the web 2 a of the runner 2 through a long hole 21 with a connecting member 29 such as a pin or a bolt and nut. Thereby, the fluctuation | variation (interlayer displacement) to the horizontal direction along the longitudinal direction Y of the runner 2 of the stud 3 is accept | permitted. That is, this long hole 21 functions as a horizontal direction variation permissive mechanism. In addition, the fixed portion 20A in the present embodiment is located inside the stud 3, and the center C of the long hole 21 and the center axis A of the flange 3 are substantially matched.

  As shown in FIG. 3A, in a state where no vertical displacement has occurred, the main body portion 10A is inserted (attached) with an insertion amount D inside the stud 3, and the main body web 13 extends along the web 3a. The main body flange 14 is positioned along the flange 3c. Thereby, the stud 3 can be slid in the vertical direction Z (the axial direction of the stud 3) by the pair of body flanges 14 and 14. When vertical displacement occurs due to an earthquake or the like, the height ha of the facing (overlapping) portion of the main body portion 10A and the stud 3 allows variation in the vertical direction Z as shown in FIG. Even if a vertical displacement larger than the insertion amount D occurs, if the displacement amount is at least smaller than the height ha of the facing portion, the stud 3 is held by the main body portion 10A, so that the partition wall 100 can be prevented from collapsing. it can. In the present embodiment, the main body web 13 of the main body portion 10A and the pair of main body flanges 14 and 14 constitute an engagement mechanism 30A.

  Even if a horizontal load is applied to the stud 3, the main body web 13 and the web 3 a and the main body flange 14 and the flange 3 c are positioned in close contact with each other, so that the main body web 13 and the pair of main body flanges 14 and 14 are located. Thus, twisting and deformation of the stud 3 are suppressed. Further, the main body bending portion 14a has a shape along the bending portion 3d and engages with each other. Thereby, the twist of the stud 3 is suppressed more firmly. Accordingly, the stud 3 is prevented from falling off from the runner 2 and the seismic resistance of the partition wall (partition base structure) 100 is improved.

Here, a modified example of the first embodiment will be described. In addition, in the following modified examples and other embodiments and modified examples thereof, members and the like similar to those of the first embodiment are denoted by the same reference numerals.
The first modified example shown in FIGS. 4 and 5 is different from the above embodiment in that the fixing portion 20A ′ is located outside the stud 3, and the others are the same. By the way, the torsion of the stud 3 caused by the horizontal load is generated at the center of the connecting member 29 that connects the fixed portion 20A and the runner 2. As shown in FIG. 6, the center C ′ of the first modified example does not coincide with the center axis A of the stud 3, but the center C of the first embodiment coincides with the center axis A. Here, as the distance from the center C of the twist increases, the twisting force applied to the stud 3 increases. Therefore, the first modified example (reference symbol L ′ in the figure) having a larger distance L from the vicinity of the tip 3d of the flange 3 farthest from the center C of twist is more likely to be twisted or deformed. Accordingly, as in the first embodiment, the fixing portion 20A is positioned inside the stud 3, and the center axis A of the stud 3 is aligned with the center of the elongated hole 21, thereby further suppressing the twist and deformation of the stud 3. it can.

  The second modification shown in FIGS. 7 and 8 differs from the first embodiment and the first modification in that the main body web 13 is positioned so as to straddle the opening 3 f of the stud 3. In this example, the front end 14a 'of the main body flange 14 is not curved, and the front end 14a' is fitted (engaged) into the recess 3e, thereby further suppressing the twist and deformation of the stud 3. Further, the third modification shown in FIGS. 9 and 10 differs from the second modification in that the fixing portion 20 </ b> A ′ is located outside the stud 3. In any modified example, the height ha of the opposing (overlapping) portion of the main body portion 10A and the stud 3 allows the stud 3 to move in the vertical direction Z, and the main body web 13 and the pair of main body flanges 14 and 14 are provided. The twist and deformation of the stud 3 are suppressed.

  As shown in FIGS. 11 and 12, the stud collapse prevention fitting 1 </ b> B according to the second embodiment has a bent portion 16 formed by bending at a substantially central portion of the main body portion 10 </ b> B, and concave portions are formed on both sides of the bent portion 16. 17 is formed. Further, the upper step portion 18 and the lower step portion 19 across the bent portion 16 are stepped with respect to the longitudinal direction Y of the runner 2 and are continuous in the axial direction of the stud 2. As a result, the concave portion 17 can be fitted into the tip 3d of the flange 3c so that the upper step 18 can be brought into contact with the outer surface of the tip 3d and the lower step 19 can be brought into contact with the inner surface of the tip 3d. Therefore, the main body 10 </ b> B is attached to the stud 3 so as to be slidable in the vertical direction Z by the recess 17, and suppresses movement in the horizontal direction X. Other points are the same as in the first embodiment.

  As shown in FIG. 12A, the main body portion 10 </ b> B and the stud 3 are engaged by the upper step portion 18 and the lower step portion 19 in a state where no vertical displacement has occurred. When a vertical displacement occurs due to an earthquake or the like, the height hb of the main body portion 10B allows variation in the vertical direction Z as shown in FIG. Thus, the upper step portion 18 and the lower step portion 19 sandwich (engage) the tip of the flange 3c of the stud 3 to hold the stud 3, so that the partition wall 100 can be prevented from collapsing. In the present embodiment, the concave portion 17, the upper step portion 18 and the lower step portion 19 of the main body portion 10B constitute an engagement mechanism 30B. Furthermore, even if a horizontal load is applied to the stud 3, the tip 3 d is held between the upper step portion 18 and the lower step portion 19 via the recess 17, so that twisting and deformation of the stud 3 are suppressed.

  13 and 14 is different from the second embodiment in that the fixing portion 20B 'is positioned outside the stud 3, but the other is the same. Further, in the second embodiment and the modified example thereof, an aspect in which the upper step portion 18 is brought into contact with the inner surface of the tip 3d and the lower step portion 19 is brought into contact with the outer surface of the tip 3d is possible. In the second embodiment, the recessed portion 17 may be engaged with the tip 3d, so that the stud collapse preventing metal fitting 1B can be mounted after the partition wall 100 is constructed.

  As shown in FIGS. 15 and 16, the stud collapse preventing metal fitting 1 </ b> C according to the third embodiment includes a clip portion 15 that sandwiches the web 3 a of the stud 3 on a plate-like main body portion 10 </ b> C. Further, the main body portion 10C is in close contact with the outer surface of the web 3a and is inserted between the protruding portions 3g formed on the outer surface by the concave portions 3e positioned at both end portions of the web 3a, and the both side portions and the protruding portions of the main body portion 10C are inserted. 3g is opposite. Therefore, the main body portion 10 </ b> C is attached to the stud 3 so as to be slidable in the vertical direction Z by the clip portion 15, and suppresses movement in the horizontal direction X. Other points are the same as in the first embodiment.

  As shown in FIG. 16A, the main body portion 10 </ b> C and the stud 3 are engaged by the clip portion 15 in a state where no vertical displacement has occurred. When a vertical displacement occurs due to an earthquake or the like, the height (insertion depth) hc of the clip portion 15 allows variation in the vertical direction Z as shown in FIG. Thus, since the stud 3 is held by the clip portion 15, the partition wall 100 can be prevented from collapsing. In the present embodiment, the clip portion 15 of the main body portion 10C constitutes the engagement mechanism 30C. Furthermore, even if a horizontal load is applied to the stud 3, the clip portion 15 holds the web 3a, so that twisting and deformation of the stud 3 are suppressed. The modified example of the third embodiment shown in FIGS. 17 and 18 is different from the third embodiment in that the fixing portion 20 </ b> C ′ is positioned outside the stud 3, but the other is the same.

  As shown in FIGS. 19 and 20, the stud collapse preventing metal fitting 1D according to the fourth embodiment has a bent portion 11 formed by bending upward at the lower end portion of the main body portion 10D. In the present embodiment, a substantially rectangular through hole 3b for inserting and engaging the bent portion 11 with the web 3a of the stud 3 is formed. Accordingly, the main body 10D suppresses movement in the horizontal direction X orthogonal to the longitudinal direction Y of the runner 2.

  As shown in FIG. 20A, the bent portion 11 is inserted into the through hole 3 b of the stud 3 in a state where no vertical displacement has occurred. When vertical displacement occurs due to an earthquake or the like, the height hd of the through hole 3b allows variation in the vertical direction Z. When the vertical displacement is further increased, the base end portion 12 of the bent portion 11 and the upper edge of the through hole 3b are engaged with each other as shown in FIG. The Thereby, even if vertical displacement occurs, the stud 3 is held, so that the partition wall can be prevented from collapsing. In the present embodiment, the bent portion 11 constitutes the engagement mechanism 30A. Furthermore, even if a horizontal load is applied to the stud 3, since the bent portion 11 is inserted through the through hole 3 b, the bent portion 11 suppresses twisting and deformation of the stud 3.

  The modified example of the fourth embodiment shown in FIGS. 21 and 22 is different from the fourth embodiment in that the fixing portion 20D ′ is located outside the stud 3, but the other is the same. Moreover, in 4th embodiment and its modification, although the bending part 11 was penetrated to the through-hole 3b toward the inner side from the outer side of the stud 3, it was made to penetrate the through-hole 3b toward the outer side from the inner side of the stud 3. May be.

Finally, the possibility of other embodiments is mentioned.
In each of the above-described embodiments and each of these modified examples, a long hole 21 is provided as a horizontal direction variation allowing mechanism in one central portion of the fixing portion 20. However, the number of the long holes 21 is not limited to one. For example, as shown in FIGS. 23A and 23B, a pair of long holes 21 and 21 may be provided. Thereby, the twist and deformation | transformation of the stud 3 can be prevented still more firmly. However, since the number of the connection members 29 increases, workability falls. In addition, the horizontal direction fluctuation | variation tolerance mechanism is not restricted to the long hole 21, What is necessary is just an aspect which can respond to an interlayer displacement amount.

  In the first embodiment, the pair of main body flanges 14 and 14 are brought into close contact with the inner surfaces of the pair of flanges 3c and 3c. However, the present invention is not limited to this as long as it allows variation of the stud 3 in the vertical direction Z and can suppress the twist of the stud 3. For example, as shown in FIGS. 24 (a) and 24 (b), the main body portion 10A can be externally fitted to the stud 3, and the main body web 13 can be brought into close contact with the outer surface of the web 3a. In such a case, for example, the main body bending portion 14a is engaged with the tip 3d, thereby preventing the twist of the stud 3 more firmly. Further, as shown in FIG. 3C, the main body 10A can be fitted over the stud 3 so that the main body web 13 straddles the opening 3f of the stud 3. In such a case, for example, by engaging the main body bending portion 14a with the protruding portion 3g, the stud 3 is more securely prevented from being twisted.

  In the first embodiment, the main body 10A is formed in a substantially U shape in plan view, but the shape of the main body is not limited to this. For example, as in the fifth embodiment shown in FIG. 24 (d), the main body 10 can be formed in a box shape. In such a case, the main body 10E has a substantially square shape in plan view made up of a pair of first and second surface portions 14e1 and 14e2 facing each other, and the fixing portion 20E is a pair of first and second surfaces. It is provided at the upper end of the shaped portions 14e1, 14e2. The pair of first planar portions 14e1 and second planar portions 14e2 constitute an engagement mechanism 30E. Thereby, the fluctuation | variation to the vertical direction Z of the stud 3 is permitted, and the twist of the stud 3 can be suppressed. However, in the embodiment of FIG. 24, the main body 10 is positioned outside the stud 3 (externally fitted to the stud 3), so it is necessary to change the dimension (width) of the runner 2 according to the stud collapse prevention metal fitting 1, Versatility is reduced.

  Further, for example, a shape in which the main body web 13 is omitted is possible as in the sixth embodiment shown in FIGS. In such a case, the main body portion 10F is positioned along the pair of flanges 3c and 3c from the pair of plate-like portions 14f and 14f connected by the fixing portion 20F. Thereby, a pair of plate-shaped parts 14f and 14f comprise an engagement mechanism, and the fluctuation | variation of a perpendicular direction is accept | permitted. Further, the clip portion 15 is provided in the plate-like portion 14f, and one side end portion 14fa is engaged (inserted) into the recess 3e, so that the torsion of the stud 3 is more firmly suppressed. Further, the clip portion 15 can be omitted as in the modified examples shown in FIGS. In such a case, the stud 3 is prevented from being twisted by engaging the both side end portions 14fa and 14fb of the plate-like portion 14f with the recess portion 3e and the tip end 3d.

  As yet another modification, as shown in FIG. 25 (f), the pair of plate-like portions 14f 'and 14f' can be positioned along the web 3a and positioned across the opening 3f. In such a case, the end of the fixing portion 20F 'is brought into close contact with the flange 3c to suppress the occurrence of twisting. In each of the above modified examples, as long as the twist of the stud 3 can be suppressed, for example, as shown in FIGS. 5C and 5F, the side end portions 14fa and 14fb of the plate-like portion 14f are formed as the recess 3e and the tip 3d. It is not necessary to engage with.

  In the third embodiment, the main body portion 10C is inserted between the protruding portions 3g and closely opposed to the outer surface of the web 3a. However, the present invention is not limited to this as long as it allows variation of the stud 3 in the vertical direction Z and can suppress the twist of the stud 3. For example, as shown in FIG. 26, the main body 10C may be in close contact with the inner surface of the web 3a. In such a case, the twist of the stud 3 is suppressed by engaging the side end 14c of the main body 10C with the recess 3e.

  In addition, since the stud collapse prevention metal fitting 1 according to the present invention functions as long as it is free to move up and down, such as sliding with the stud 3, it is not limited to the above embodiments and modifications, If it is a stud that fits in, it will not be functionally affected by its shape. Moreover, it is also possible to combine each said embodiment and each modification. For example, the aspect which provides the clip part 15 of 3rd embodiment in the main-body part 10A of 1st embodiment is also possible.

DESCRIPTION OF SYMBOLS 1,1A-1F: Stud collapse prevention metal fitting, 2: Runner, 2a: Web, 2b: Flange, 3: Stud, 3a: Web, 3b: Through-hole, 3c: Flange, 3d: Curved part (tip), 3e: Concave part, 3f: opening part, 3g: projecting part, 10, 10A to 10F: main body part, 11: bent part, 12: base end part, 13: main body web, 14: main body flange, 14a: main body bending part (tip) ), 14a ′: tip, 14e1: first surface portion, 14e2: second surface portion, 14c: side end portion, 14f: plate-like portion, 14fa, 14fb: side end portion, 15: clip portion, 16: Bending portion, 17: recessed portion, 18: upper step portion, 19: lower step portion, 20, 20A to 20F: fixing portion, 21: long hole (horizontal direction variation permissible mechanism), 22: end portion, 29: connecting member, 30, 30A-30F: engagement mechanism, 100: partition base material ( (Partition wall, partition base structure), A: center axis, C, C ′: center, D: insertion amount, L, L ′ distance, X: horizontal direction (runner orthogonal direction), Y: horizontal direction (runner longitudinal direction) ), Z: vertical direction, ha to hd: height

Claims (21)

A main body attached to the end of the stud inserted into the runner;
A fixing part for fixing the main body part to the runner;
A stud collapse prevention bracket comprising: an engagement mechanism that allows the stud to engage in the vertical direction and engages the main body with the stud when at least the amount of insertion of the end of the stud into the runner is exceeded. The main body portion has a substantially U-shape in a plan view including a pair of opposing flanges and a web connecting the flanges, and the fixing portion is at least one of the pair of flanges of the main body portion and the web of the main body portion. A pair of flanges of the main body portion, which are positioned along the pair of flanges of the stud and slidable in the axial direction of the stud, and the pair of flanges of the main body portion and the web of the main body portion The stud collapse prevention metal fitting according to claim 1, wherein the stud constitutes the engagement mechanism. The web of the main body portion is positioned along the stud web inside the stud, and the pair of flanges of the main body portion has a curved portion along the end shape of the flange of the stud at the tip. The stud collapse prevention metal fitting according to claim 2, wherein the curved portion engages with an end portion of the flange of the stud. The stud collapse prevention according to claim 2, wherein the web of the main body portion is positioned so as to straddle the opening of the stud inside the stud, and an end portion of the flange of the main body portion is engaged with a corner portion of the stud. Hardware. The web of the main body is located along the web of the stud outside the stud, and the pair of flanges of the main body has a curved portion along the end shape of the flange of the stud at the tip thereof. The stud collapse prevention metal fitting according to claim 2, wherein the curved portion engages with an end portion of the flange of the stud. The web of the main body is positioned so as to straddle the opening of the stud outside the stud, and the pair of flanges of the main body has a curved portion that follows the shape of the end of the flange of the stud at the tip. The stud collapse prevention metal fitting according to claim 2, wherein the curved portion is engaged with a corner portion of the stud. The main body portion has a generally square shape in plan view including a pair of first surface portions and a pair of second surface portions facing each other, and the fixing portion is a pair of first and second surface portions. The pair of first and second planar portions are located along the outer peripheral surface of the stud and are slidable in the axial direction of the stud, and the pair of first and second The stud collapse preventing metal fitting according to claim 1, wherein the two-surface portion constitutes the engagement mechanism. The main body includes a pair of opposing plate-like portions connected and fixed by the fixing portion, and the pair of plate-like portions are positioned along the pair of flanges of the stud inside the stud and of the stud. The stud collapse prevention metal fitting according to claim 1, which is slidable in an axial direction, and wherein the pair of plate-like portions constitute the engagement mechanism. The stud collapse prevention metal fitting according to claim 8, wherein the side end portions of the pair of plate-like portions are engaged with at least one of an end portion of the flange of the stud and a corner portion of the stud. The main body includes a pair of opposed plate-like portions connected and fixed by the fixing portion, and the pair of plate-like portions are positioned between the pair of flanges of the stud and perpendicular to the flanges, and the stud The stud collapse prevention metal fitting according to claim 1, which is slidable in an axial direction, and the pair of plate-like portions constitute the engagement mechanism. The stud collapse prevention metal fitting according to any one of claims 2 to 10, wherein the main body portion further includes a clip portion that is slidably held in at least one of the stud web and the pair of flanges in an axial direction of the stud. The main body portion has an upper step portion and a lower step portion that are continuously stepped in the axial direction of the stud by a bent portion, and the bent portion can slide the tip of the flange of the stud on the side portion thereof in the axial direction of the stud. The stud collapse prevention metal fitting according to claim 1, further comprising a recess to be fitted, wherein the upper step portion, the lower step portion, and the recess constitute the engagement mechanism. The said main-body part has a clip part slidably clamped in the axial direction of a stud to at least one of the web of the said stud and a pair of flange of the said stud, The said clip part comprises the said engagement mechanism. The stud collapse prevention metal fitting according to 1. 14. The stud collapse prevention metal fitting according to claim 13, wherein the main body portion has a plate shape facing the web of the stud, and the main body portion is located between the protruding portions of the stud web outside the stud. The main body has a plate shape facing the web of the stud, and has a bent portion that engages with a corner of the stud inside the stud at a side end thereof, and the bent portion is connected to the connecting portion. The stud collapse prevention metal fitting according to claim 13 engaged with a portion. The main body has a plate-like shape facing the web of the stud, has a bent portion bent upward at one end and penetrating a through-hole of the web of the stud, and the bent portion is engaged. The stud collapse prevention metal fitting according to claim 1 constituting the mechanism. The stud collapse prevention metal fitting according to any one of claims 1 to 16, wherein the fixing portion includes a horizontal direction variation permissible mechanism that allows variation of the stud in a horizontal direction. The stud collapse prevention metal fitting according to claim 17, wherein the horizontal direction variation permissible mechanism is a long hole along a longitudinal direction of the stud. The stud collapse prevention metal fitting according to claim 18, wherein the fixing portion is located inside the stud, and the fixing portion has the elongated hole at one central position. A mounting method of the stud collapse prevention metal fitting according to any one of claims 1 to 19,
The main body is attached to the end of the stud so as to be slidable in the axial direction of the stud,
A mounting method of a stud collapse prevention metal fitting for fixing the main body portion to the runner so as to allow variation in the longitudinal direction of the runner. A partition base structure comprising a pair of runners arranged vertically and a stud inserted into the runner at an appropriate interval between the pair of runners,
A main body attached to the end of the stud inserted into the upper runner,
A fixing part for fixing the main body part to the upper runner;
A stud collapse prevention metal fitting having an engagement mechanism that allows the stud to fluctuate in the vertical direction and engages the main body with the stud when the fluctuation exceeds the insertion amount of the end of the stud into the runner. ,
A partition base structure in which the upper runner and the stud are connected via the stud collapse prevention metal fitting.

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