JP2005264725A - Expansion joint - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To retain a beautiful appearance and good sealing performance for a long time without giving influences on a holder and a cover member, by loosely supporting a holder to two building skeletons adjoining to each other with a gap, and enabling adaptation to the displacement of the two building skeletons. <P>SOLUTION: A first displacement adjusting section is constituted by securing turnable retaining members 12 to supporting members 5 and 6 on both sides after slot holes or elongated grooves 19 are formed in both end sides of the holder 7. A second displacement adjusting section is constituted by slidably securing one of the retaining members in one of the slot holes of the holder 7 or elongated grooves 19. A third displacement adjusting section is constituted by slidably securing the other retaining member in the other slot hole or elongated groove 19. A protrusion 22 is formed on the center of the holder 7, and a cover member 8 is fixed to the protrusion 22 to form a space between the cover member 8 and the second displacement adjusting section side of the protrusion 22 of the holder. Further, the head of a fixing member 16 for fixing the retaining member to the holder is disposed within the space. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an expansion join that is mounted in a state in which a change is easily absorbed by an adjacent building frame having a gap so as to satisfactorily close the gap.

  Japanese Patent Publication No. 4-10937 is known as an expansion joint that closes a gap between adjacent building frames so that fluctuations in the building frame can be absorbed. Is fixed to one building frame, the movable part is extended to the front of the other building body, a stopper is fitted in the sliding groove provided in this part, and it is movably supported by the building frame. A structure in which one end of a cover material having a letter shape is engaged with an engaging portion provided at the fixed side end of the support member, and an engaging edge provided in the central portion is engaged with a locking groove formed in the support member. Adopted.

In the configuration in which one end of the cover member is hooked on the fixed side of the support member as described above, when the vertical variation occurs in both the casings, the support member receives a rotational force centered on the attachment portion due to the variation. In other words, the variation is not sufficient, and the support member and the cover are deformed, so that not only the appearance is impaired, but also the problem is that the airtightness of the gap is lowered and the function of preventing intrusion of wind and rain is lowered. is there.
Japanese Patent Publication No. 4-10937

  The present invention supports the holder in a floating state with respect to both building frames adjacent to each other with a gap so that the holder and the cover material are not affected by being displaceable in the upper, lower, left and right and front and rear directions of both building frames. It is an object of the present invention to provide an expansion joint that can maintain aesthetics and hermeticity for a long period of time.

  In order to solve the above-described problems, the expansion joint according to the present invention is provided with a support member in each building frame with the gap between the both sides of the building frame that is substantially flush with the surface exposed to the outside. In an expansion joint in which a cover material is disposed on a support member of the support member via a holder disposed at a constant interval along the longitudinal direction of the gap, a long hole or a long groove is formed on both sides of the holder, and the support on both sides is formed. A rotatable holding member is attached to the member as a first displacement adjusting portion, and one holding member is slidably attached to the one long hole or long groove as a second displacement adjusting portion, and the other holding member Is attached to the other long hole or groove of the holder so as to be slidable to form a third displacement adjusting portion, and a convex portion is formed at the central portion of the holder, and the cover material is fixed to the convex portion. about More preferably, a space is formed between the second displacement adjustment portion side of the convex portion of the holder and the cover material, and a head of a stopper for fixing the holding member to the holder is disposed in the space. To do.

  A positioning portion that engages with an end portion of the other holding member may be formed on the back surface of the holder.

  Further, it is preferable that the end portion of the cover material is bent, the tip end thereof is brought into contact with the surface of the building frame, and one end portion of the holder is abutted against the bent portion.

  According to the first aspect, the first displacement adjustment unit, the second displacement adjustment unit, and the third displacement by the holding member that can be rotated and slid between the support member and the holder even when the flat building housing changes. The adjustment part absorbs the fluctuation of the building frame, protects the cover material well, and can maintain the beauty and weather prevention function.

  The convex portion at the center of the holder can absorb minute fluctuations or deformation of the cover material in the space between the holder and the cover material, and does not prevent sliding along the long hole or long groove of the holder of the stopper.

  According to the second aspect, when the positioning member is applied to the holding member, the positioning of the holder and the holding member can be performed easily and accurately, and positioning at the time of installation can be easily and reliably performed.

  According to the third aspect, when the bent portion of the cover material is brought into contact with the building frame, entry of dust, wind and rain into the gap is suppressed, and one end of the holder is brought into contact with the inside of the bent portion. If it does, positioning of each structural member will be performed easily and correctly, and it will contribute to the facilitation of construction attachment.

  In the figure, reference numeral 1 denotes an expansion joint. The expansion joint 1 includes a support member 5 and 6 attached to one building housing 3 and the other building housing 4 which are arranged with a predetermined gap 2 therebetween so as to form an entrance corner, and these supporting members. The holder 7 is supported by the members 5 and 6 and arranged at an appropriate interval in the longitudinal direction of the gap 2, and the cover member 8 is supported by the holder 7 and shields the gap 2.

  The support members 5 and 6 of the expansion joint 1 are attached by a gap 2 side female screw 9 between one building housing 3 and the other building housing 4, and sandwiched grooves 10 at the ends facing the respective gaps 2. The end of the water stop plate 11 is sandwiched between the holding grooves 10 and the water stop plate 11 is disposed in the gap 2, and the holding member 12 of the holder 7 is provided at the center of the support member 5 on the building housing 1 side. Is provided with a pin-like stopper 14 at the end of the support member 6 on the building housing 2 side.

  The long holding member 12 that is rotatably supported by the support member 5 includes a gap holding piece 12a and a holding piece 12b that is provided at a right angle at one end of the gap holding piece 12a. When the circular shaft 15 is engaged with the groove rail 13, the holding member 12 is rotatably attached to the support member 5 to constitute a first displacement adjusting portion. Further, the holding piece 12b is abutted and supported from the back side of the blade piece 7a of the holder 7, and a screw-like pin-like stopper 16 is slidably attached to the front side of the holding piece 12b, so that the second displacement adjusting portion is provided. Is configured.

  The holder 7 is formed by two blade pieces 7 a and 7 b, and a required number is arranged at a constant interval along the longitudinal direction of the gap 2. One wing piece 7a is provided with a long hole or groove 17 in the left-right direction. A pin and a screw-and-nut fastening pin are attached to the long hole or groove 17 with a head attached to the holding piece 12b of the holding member 12. The tool 16 is slidably engaged to form the second displacement adjusting portion. Note that a positioning portion 18 that is brought into contact with the bent edge of the cover member 8 is formed at the end of the blade piece 7a. The other wing piece 7b is provided with a long hole or long groove 19 in the vertical direction, and a pin-like stopper 14 with a long hole or long groove 19 head and tightened with a screw and a nut is slidably engaged. 3 displacement holding portions are configured. For this reason, the holder 7 can slide in the approach or separation direction from the corner portion of the entering corner portion.

  The cover material 8 is formed in the same manner as the holder 7 and has a length that covers the gap 2, and is formed with bent portions 8a that bend at right angles to the building housings 3 and 4 on both sides in the width direction. A sealing material such as a weather strip 21 elastically contacting the building housings 3 and 4 is attached to the tip 20 of the portion 8a, and the central portion is fixed by a supporting convex portion 22 screw 23 provided in the central portion of the holder 7 or the like. Then, by forming a space 24 between the cover material 8 and the holder 7, minute deformation with the cover material 8 is absorbed, and a storage part for the heads of the stoppers 14, 16 is formed.

  The expansion joint 1 in FIG. 2 is attached so that the holding member 12 can rotate with respect to the support members 5 and 6 on the side of the building frame 3 and 4, and can slide with respect to the wing pieces 7 a and 7 b of the holder 7. Thus, the blade piece 7b is pivotally attached to the support member 6 to constitute a fourth displacement adjusting portion.

  In other words, the support member 6 attached to the building housing 4 is a member provided with a notch-shaped groove rail 13 at the end, and the circular shaft 15 provided on the interval holding piece 12a of the holding member 12 to the groove rail 13 is used. The holding piece 12b is brought into contact with the back side of the wing piece 7b of the holder 7, and the same stopper 14 as described above is attached to the front side so that the long hole 19 provided in the wing piece 7b. A positioning piece 29 is provided on the back side of the wing piece 7b of the holder 7 so that the long hole 19 and the mounting hole 28 of the stopper 14 are aligned with each other when it is brought into contact with the edge of the holding piece 12b. The end of the blade piece 7b of the holder 7 is a positioning portion 18 that abuts against the bent edge 8a of the cover member 8, and the end of the other blade piece 7a is separated from the bent edge 8a of the cover member 8. is there.

  According to the above configuration, the holder 7 is substantially corresponding to the corner portion of the entrance corner (the bent portion of the holder 7) along the surfaces of the building frames 4 and 5 by the second displacement adjustment portion and the third displacement adjustment portion. It is possible to slide in a direction approaching or separating from the region.

  FIG. 3 is an example in which positioning is performed by the positioning portion 18 except for the positioning piece 29 provided on the wing piece 7b on the building housing 4 side of the holder 7 in the expansion joint 1 shown in FIG.

  The expansion joint 1 of FIG. 1 includes support members 5 and 6 that are respectively attached to one building frame 3 and the other building frame 4 that are arranged with a predetermined gap 2 so as to be substantially flush with each other. The holder 7 is supported by support members 5 and 6 and arranged at an appropriate interval in the longitudinal direction of the gap 2, and the cover member 8 is supported by the holder 7 and shields the gap 2.

  The supporting members 5 and 6 of the expansion joint 1 are provided with a holding groove 10 on the building housing side, and the water stopping plate 11 is disposed in the gap 2 by holding the edge of the water stopping plate 11 in the holding groove 10. A groove rail 13 having a circular shape is provided at the center, and the end opposite to the gap 2 is fixed to the building frames 3 and 4 with screws 9 or the like.

  The holding member 12 that is rotatably supported by the support member 5 includes a gap holding piece 12a and a holding piece 12b provided at one end of the gap holding piece 12a. A circular shaft 15 is provided at the tip of the gap holding piece 12. Then, when the circular shaft 15 is engaged with the groove rail 13, the holding member 12 is rotatably attached to the support member 5, and the building housing 3 side is the first displacement adjustment unit, and the building housing 4 side is the fourth displacement adjustment. It is configured as a part. On the other hand, the holding piece 12b is brought into contact with the wing pieces 7a and 7b of the holder 7 from the back side, and the same pin-like stopper 14 or 16 as described above is attached to the front side.

  The holder 7 is formed so that the two wing pieces 7 a and 7 b form a plane, and a required number is arranged along the longitudinal direction of the gap 2 at a constant interval. One blade piece 7a is provided with a long hole or a long groove 17 in the left-right direction, and a stopper 16 attached to the holding piece 12b of the holding member 12 is slidably engaged with the long hole or the long groove 17. Thus, the second displacement adjusting portion is configured, and the wing piece 7b is provided with a circular hole 27, and the stopper 14 attached to the holding piece 12b of the holding member 12 is engaged with the circular hole 27 so as not to slide. Is done. Then, a positioning piece 29 is provided on the back side of the blade piece 7b so that the circular hole 27 and the mounting hole 28 of the stopper 14 are aligned when brought into contact with the holding piece 12b. The positioning portion 18 that contacts the bent edge 8a is bent.

  The cover material 8 is formed so as to form a plane similar to the holder 7 and has a length that covers the gap 2, and bent portions 8 a that are bent at right angles to the building frames 3 and 4 are formed on both sides in the width direction. A sealing material such as a weather strip 21 elastically contacting the building housing 3 and the building housing 4 is attached to the tip 20 of the bent portion 8a, and the central portion is screwed to a convex portion 22 provided at the central portion of the holder 7. 23 and the like, and a space 24 is formed between the cover material 8 and the holder 7, thereby absorbing minute deformation with the cover material 8, and constituting a storage portion for the heads of the stoppers 14 and 16.

  FIG. 2 shows a mode in which a long hole provided in the wing piece 7b on the building housing 4 side of the holder 7 in the expansion joint 1 shown in FIG. In this embodiment, a pin-like stopper 14 with a head attached to the holding piece 12b of the holding member 12 is engaged with the long hole or the long groove 19, and the back side of the blade piece 7b is made to be able to slide. The positioning portion 29 is eliminated, and a downward bent portion 32 is formed at the terminal.

  3 and 4 show a mode in which the shape of the holder 7 in the expansion joint A shown in FIG. 2 is changed to a C-shaped cross section. In this embodiment, the holder 7 has a C-shaped cross section that opens upward as shown in FIG. 4, and long holes or long grooves 17 and 19 are formed in the bottom pieces of both blade pieces 7a and 7b, respectively. Further, the convex portion 22 is caulked from the bottom piece into a raised shape, is made to be in the same position as the upper end surfaces of both wing pieces, and the cover material screw 23 is fixed.

  Although not shown, the groove rails 13 of the support members 5 and 6 are replaced with the circular shaft 15 at the tip of the holding member 12, and the upward circular shaft 15 'of the support member and the groove rail 13' are formed at the lower end of the holding member. May be.

Sectional drawing of the expansion joint according to claim 1 Partial sectional view showing a part of the modification The top view which shows the deformation | transformation aspect of a holder same as the above. Cross section of the holder

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Expansion joint 2 Gap 3, 4 Building frame 5, 6 Support member 7 Holder 7a, 7b Both wing pieces 12 Holding member 14, 16 Stopper 17, 19 Long hole or long groove 25 Space 18, 29 Positioning part

Claims (3)

A support member is provided on each building frame with the gap between them and the surface exposed to the outside is substantially flush with the gap, and the support members on both sides are spaced apart along the longitudinal direction of the gap. In the expansion joint where the cover material is arranged through the holder arranged with
A long hole or a long groove is formed on both sides of the holder, and a rotatable holding member is attached to the supporting members on both sides to form a first displacement adjusting portion, and one holding member is slid into the one long hole or long groove. The second displacement adjustment unit is movably attached, and the other holding member is slidably attached to the other long hole or long groove of the holder to form a third displacement adjustment unit.
A convex part is formed in the central part of the holder, and by fixing the cover material to the convex part, a space is formed between the second displacement adjustment part side of the convex part of the holder and the cover material, An expansion joint, wherein a head of a stopper for fixing the holding member to the holder is disposed in the space.   The expansion joint according to claim 1, wherein a positioning portion that engages with an end portion of the other holding member is formed on a back surface of the holder. 2. The expansion joint according to claim 1, wherein an end portion of the cover material is bent, a tip thereof is brought into contact with a surface of the building frame, and one end portion of the holder is abutted against the bent portion.

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