JPH07217006A - Connection structure of covering material of expansion joint - Google Patents

Abstract

PURPOSE:To securely hold, a joint connecting two covering materials connected to each other, at a specified position without shifting the position. CONSTITUTION:The fixing edges 11 formed along the longitudinal direction of the rear side of a covering material 1 having a width to cover the clearance between building bodies (a), (b) are attached at the fixing part 9 of a fixing member 7 provided with a certain distance at the clearance between the building bodies. These covering materials 1 are butt-jointed to constitute a expansion joint. A joint 2 are arranged at the rear side of connection part of two covering materials 1 mutually butt-jointed. The fixing edge 11 projected at the rear face of the covering material 1 is cut out as long as the disposed length of the joint 2 to attach the joint 2 at the cut-out part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover material connecting mechanism for an expansion joint, which is constructed by abutting and connecting cover materials for covering gaps between building frames which are spaced apart from each other.

[0002]

2. Description of the Related Art The expansion joint is formed by abutting and connecting cover materials that cover the gap between the opposite building frames, and it is necessary to dispose a joint material at the connecting portion of the cover materials. . As this joint material, conventionally, as shown in joint material 106 in FIG. 1 of Japanese Utility Model Publication No. 52724/1990, it is arranged outside the connecting portion of the cover material, and in Japanese Utility Model Publication No. 63-37363. As shown in the joint member 17 in FIGS. 2 and 3, it is known that the cover member is arranged inside the connecting portion of the cover member.

By the way, in any of the above cases, especially when the cover members are arranged in the vertical direction, when the building frames on both sides fluctuate in mutually different directions due to vibration, temperature change, differential settlement, etc., The joint material may slide down due to its own weight. Therefore, although the cover material and the joint material are formed so as to be in close contact with each other, the contact material may be loosened during repeated fluctuations, resulting in a displacement phenomenon of the joint material.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a cover material connecting mechanism for an expansion joint in which a joint material for connecting two cover materials to be connected is securely held at a predetermined position without displacement. Its purpose is to provide.

[0005]

In order to achieve the above-mentioned object, the cover material connecting mechanism of the expansion joint according to the present invention is a member provided with a constant interval in the space between the building frames. A locking edge formed along the longitudinal direction on the back side of the cover material having a width that covers the gap is attached to the locking portion of the stop member, and the plurality of cover materials are butt-connected and configured. In the expansion joint, the joint material is arranged on the back side of the connecting portion of the two cover materials butt-joined to each other, and the engaging edge projectingly formed on the back surface of the cover material is arranged on the joint material. It is characterized in that a notch is provided by an amount corresponding to, and the joint material is attached to the notch.

Incidentally, either one of the engaging portion of the engaging member or the engaging edge of the cover member is formed in a groove shape, and the other is inserted into and engaged with the groove engaging portion or engaging edge. It may be configured to.

A locking member having the same structure as the locking member may be attached to the joint member.

Further, the cover material may include a cover material formed in a right angle.

[0009]

According to the above construction, the end portion of the joint material engages with the end portion of the cutout portion of the engaging edge of the connected cover material, and therefore cannot freely move. Therefore, even if the structure of the building fluctuates in different directions or the joint material slides down due to its own weight, the joint material is supported by the locking edge of the cover material and is not displaced. Is held in place.

When engaging the engagement portion of the engagement member and the engagement edge of the cover material, the engagement portion of the engagement member or the engagement edge of the cover material is formed into a groove shape, and The locking edge of the cover material or the locking portion of the locking member may be engaged.

Further, when a locking member having the same structure as that of the locking member is attached to the joint material, the position holding of the joint material is further strengthened.

Further, even if the cover material includes a cover material formed in a rectangular shape, the holding effect does not change.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an expansion joint. This expansion joint covers the gaps between building frames a and b provided at intervals with a plurality of cover materials 1 and butt-connects each cover material 1. In addition, the joint material 2 is arranged on the back side of each connecting portion. 3 is Kasaki.

As shown in FIG. 2, a supporting member 4 is fixed to the ends of the building frames a and b on the butt side. The supporting member 4 is made of an extruded die member made of aluminum or its alloy, or another metal member, and has a rising edge 5 and a water stop plate fitting groove 6. A serrated notch is formed at the tip of the upright edge 5.

A locking member 7 is provided on the rising edge 5 of the support member 4.
Is laid up. The locking member 7 is made of a metal spring plate material and is W
It is formed in a V shape, and groove-shaped locking portions 8 and 9 are formed at the center and both ends, respectively. The engaging portions 8 at both ends are engaged with the upper end of the rising edge 5 of the supporting member 4, so that the engaging member 7 is arranged at a constant interval in the gap between the building frames a and b.

The cover material 1 is made of aluminum or its alloy extruded mold material or other metal material, has a width to cover the gap between the building frames a and b, and has weather strips 10 and the like at both ends. An airtight material having a cushioning property is fitted, and a locking edge 11 is formed continuously along the longitudinal direction of the central portion on the back side. Locking edge 11
The cross section of the tip of the is formed in the shape of an arrowhead, and is inserted into the central engaging portion 9 of the engaging member 7 and elastically attached. A plurality of the cover materials 1 are butt-connected in the longitudinal direction. In some cases, the cover material and the locking edge are formed separately, and a member having the locking edge is integrally fixed to the cover material, and the tip of the locking edge may be formed by bending. Also,
The cover member may be bent at a right angle (see the cover member 1 at the top of FIG. 1).

The water stop plate 15 is a band-shaped member made of rubber or synthetic resin, and both ends of the water stop plate 15 are fitted into the water stop plate fitting groove 6 of the support member 4.
Is fitted to.

Next, a joint member 2 is arranged on the back side of the connecting portion of the two cover members 1 on the left, right, top and bottom, which are butted and connected to each other. The joint material 2 is composed of an extruded mold material made of aluminum or its alloy or a metal material such as stainless steel, and is formed in conformity with the back surface shape of the cover material 1 excluding the locking edge 11 as shown in FIG. It is arranged on the back side of the abutting end portion of No. 1.

By the way, as shown in FIGS. 3 and 4,
The engaging edge 11 formed on the back surface of the cover material 1 so as to project.
The portions a and 11b are cut out by a portion corresponding to the portion where the joint material 2 is arranged (the dotted line portion in FIG. 4), and the cutout portion is formed smoothly. Therefore, the joint member 2 is placed in contact with the smooth cutout portion.

According to the above construction, as shown in FIG. 4, the joint material 2 is arranged in the cutout portion of the connected cover material 1, and the lower end portion thereof is connected to the lower cover material 1.
Since it is supported by the upper end of the locking edge 11b, it cannot move further downward. Therefore, the joint material 2 is supported by the locking edge 11b of the cover material 1 even if the building frames a and b fluctuate in relatively different directions, or even if the joint material 2 slides down due to its own weight. , Is securely held at a predetermined position without being displaced.

The connection mode of the cover material 1 in the expansion joint is not limited to the above example. For example, as shown in FIG. 5, a projecting wall a1 is formed in a part of one building frame a, and a plurality of vertical walls a2, b2 and lower walls a3, b3 of both building frames a, b are provided. 6 may be covered with the cover material 1 and the adjacent cover materials are connected to each other through the joint material 2.
As described above, the vertical walls a2, b2 and the lower walls a3, b3 of both building frames a, b may be in the opposite state of FIG. 5,
Furthermore, as shown in FIG. 7, the vertical walls a2 of the two building frames a and b,
It may be a case where b2 has a right angle.

Next, FIGS. 8, 9 and 10 show examples of expansion joints in which one building frame a is a vertical wall a2 and the other is a horizontal wall b1 and a vertical wall b2. In this case, the vertical wall a2 is used. An engaging portion 12 is formed on the supporting member 4 together with the rising edge 5 and the water blocking plate fitting groove 6. Locking members 7 are attached to the rising edges 5 of both supporting members 4. In contrast,
The cover material 1 is bent at a right angle in the width direction, and on its back surface, a locking edge 11 for locking the locking portion 9 of the locking member 7, and a receiving locking edge 13 for receiving the rising edge 5 of the support member 4. And the hanging wall a
The engaging edge 14 for engagement which engages with the engagement part of 2 and b2 is formed. Thus, the locking edge 1 is provided on the back side of the cover material 1.
In addition to No. 1, when a projecting portion such as the receiving locking edge 13 and the engaging locking edge 14 is formed, the locking edge 11 and other projecting portions are formed as shown by hatching in FIG. The joint-shaped member 2 is formed by notching the portion corresponding to the portion where the joint member 2 is arranged, and is made smooth, and the joint member 2 is arranged in contact with the smooth back surface.

Other examples of such expansion joints are also applicable to the case where the building frames a and b form the projecting corner as shown in FIG. 11 and the case where the building skeletons form the entering corner as shown in FIG. Shown. In this way, the cover material 1 in the case where one building frame a is the vertical wall a2 and the other is the horizontal wall b1 is also not shown in the same manner. The engaging edge 11, the receiving engaging edge 13 and the engaging engaging edge 14 are notched.

The manner of engagement between the cover member 1 and the support member 4 is not limited to the above example. For example, as shown in FIG. 13, the locking edge 11a of the cover material 1 is formed in a groove shape, and the locking member 7 made of a metal spring plate is fixed to one of the building bodies a.
The locking portion 9a with the locking claw of a may be inserted into and engaged with the groove-shaped locking edge 11a. Also in this case, the joint material 2 is arranged by notching the locking edge 11a.

Further, as shown in FIG. 14, the locking member 7b is formed in a π shape by fixing the locking portion 16 made of a metal spring plate on the W-shaped spring portion 17, and both ends of the spring portion 17 are formed. It is locked in the locking groove 18 of the supporting member 4b fixed to the building frame a, a, and the bent portions at both ends of the locking 16 are locked inside the locking edges 11b formed on both sides on the back side of the cover material 1. It may be configured as described above.

By the way, on the back side of the joint member 2, a retaining portion 16 of a retaining member having the same structure as the retaining member 7b is removed, and instead of this, a spring portion 17 is integrally attached. As a result, the joint material 2 has the effect of being further held by the spring portion 17.

Similarly, the joint material of each of the above-mentioned embodiments is also
You may attach integrally with the locking part of the locking member of the same structure as each said locking member. For example, in the example of FIG. 3, the same locking edge as the locking edge 11 of the cover material 1 (substantially the same as the locking edge 11 shown by the dotted line in the figure) is projected on the back side of the joint material 2, and the joint material 2 A locking member (not shown) having the same structure as the locking member 7 of FIG. 2 is arranged on the back side of the locking member 2, and the locking portion of this locking member is locked to the locking edge of the joint material 2 to be integrated. May be attached to.

[Brief description of drawings]

FIG. 1 is a perspective view of an example of an expansion joint to which a cover material connecting mechanism according to the present invention is applied.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a sectional view taken along line YY of FIG.

FIG. 4 is a sectional view taken along line ZZ in FIG.

FIG. 5 is a perspective view of an embodiment of another cover material connecting mechanism.

FIG. 6 is a perspective view of still another embodiment of the cover material connecting mechanism.

FIG. 7 is a perspective view of another embodiment of the cover material connecting mechanism.

FIG. 8 is a cross-sectional view of an example of an expansion joint when the opposing building frames form a right angle.

9 is a perspective view of the expansion joint of FIG.

FIG. 10 is a perspective view of an embodiment of another cover material connecting mechanism.

FIG. 11 is a perspective view of still another embodiment of the cover material connecting mechanism.

FIG. 12 is a perspective view of still another embodiment of the cover material connecting mechanism.

FIG. 13 is a cross-sectional view showing another manner of engagement between the cover member and the support member.

FIG. 14 is a cross-sectional view showing still another engagement mode between the cover member and the support member.

[Explanation of symbols]

 a building frame b building frame 1 cover material 2 joint material 7 locking member 9 locking portion 11 locking edge

Claims (5)

[Claims] 1. A locking member of a locking member provided at a fixed interval in a gap between building structures that are spaced apart, along a longitudinal direction of a back side of a cover material having a width that covers the gap. In the expansion joint configured to attach the locking edge formed by the above and to butt-connect the plurality of cover members, the joint member is arranged on the back side of the connecting portion of the two cover members butt-connected to each other. In addition, the locking edge formed to project on the back surface of the cover material is cut out by an amount corresponding to a portion where the joint material is arranged, and the joint material is mounted in the cutout portion. Expansion joint cover material connection mechanism. 2. One of the engaging portion of the engaging member and the engaging edge of the cover member is formed in a groove shape, and the other is inserted into and attached to the groove engaging portion or engaging edge. The cover material connecting mechanism of the expansion joint according to claim 1. 3. The expansion joint cover member connecting mechanism according to claim 1, wherein the joint member is integrally attached instead of the engaging portion of the engaging member having the same structure as the engaging member. . 4. The cover material connecting mechanism for an expansion joint according to claim 1, wherein the joint material is integrally attached to a locking member having the same structure as the locking member. 5. The cover material connecting mechanism for an expansion joint according to claim 1, wherein the cover material includes a cover material formed in a right angle.