JP3741266B2 - Expansion joint - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an expansion joint attached via a pantograph body that expands and contracts.
[0002]
[Prior art and its problems]
In general, in an expansion joint, a supporting member is fixed to each of the building frames facing each other with a gap, and a cover material for closing the gap is attached to the supporting member via a holder. Since it is displaced relatively by subsidence, temperature change, etc., the cover material must also be changed accordingly.
[0003]
However, it cannot be said that the conventional holder can surely cope with the displacement of the building frame. In particular, the smooth response to the movements in which the building frames are spaced apart from each other is insufficient.
[0004]
[Problems to be solved by the invention]
It is an object of the present invention to provide an expansion joint that solves the above problems and can smoothly and reliably cope with the displacement of the building frame.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, an expansion joint according to the present invention is a building frame that is installed so that a gap part of the building frame with a gap or one side is a wall case and the other is a corner part with a gap. An expandable pantograph body is disposed in the gap, and a cover holder is supported on the pantograph body. In an expansion joint in which a cover material is installed on the holder, one side of the pantograph body and the cover holder is pivoted. The cover is attached to the other part through a holding tool, and a cover member is attached to the cover holder. One end of the cover holder is pivotally attached to the one housing, and the other end is attached to the other part. It is characterized by being freely supported on the edge of the building frame.
[0006]
In addition, the expansion joint according to the present invention expands and contracts to the gap of the building frame with a gap or to the gap of the building frame installed so that one side is a wall frame and the other is a corner with a gap. In an expansion joint in which a free pantograph body is disposed, a cover holder is supported on the pantograph body, and a cover material is installed on the holder, a holder is provided at an arbitrary pivot portion where the pantograph body and the cover holder intersect. And holding both ends of the cover holder with the cover material attached to the cover holder. It is characterized by being freely supported on the edges of both buildings.
[0007]
Furthermore, it is preferable that the holder is provided so as to be slidable along the longitudinal direction of the cover holder disposed in the width direction of the gap when the pantograph body expands and contracts.
[0008]
In addition, it is desirable that the holding tool elastically pulls the cover holder and the pantograph body.
[0009]
In addition, the holder includes a housing penetrating the pantograph body, and a slide holding portion that is provided at one end of the housing and is slidable along a sliding groove formed in the longitudinal direction of the cover holder. It is preferable that it is constituted by a spring material provided between the other end of the housing and the pantograph body.
[0010]
Further, a plurality of the holding tools may be provided for the pantograph body. .
[0011]
Furthermore, the pantograph body may include a lattice-shaped, rhombus-shaped single body, or a structure obtained by connecting the single bodies.
[0012]
In addition, a support member fixing member and a pantograph body, which are respectively mounted on the building housings facing each other with a gap, are attached to the pantograph body in a freely rotatable manner, and the pantograph body is turned to the attachment member via a connecting shaft. You may make it connect freely.
[0013]
Further, the cover material is composed of a side cover disposed on the side of both the building housings and a central cover disposed on the center side of the gap, and each side cover is provided on the back of the side cover and the central cover. A holder and a center cover holder may be provided.
[0014]
Similarly, the cover material includes a side cover disposed on the side of both the building housings, one or a plurality of auxiliary side covers arranged in a superimposed manner on the center side of the gap of the side cover, and the auxiliary side covers. An auxiliary cover holder may be disposed on the back surface, and a central cover disposed at the center.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
In FIG. 1, the codes | symbols 1 and 2 show a building frame. A gap or 1 between the building housings 2 and 2 opposed to each other in a plane with a gap S therebetween is a wall housing, and 2 is a building housing installed so as to form an entrance corner portion with a gap between the floor housing and the wall housing. , Ceiling enclosures and roof enclosures.
[0016]
In addition, the example which comprised the entrance corner part is demonstrated below.
[0017]
A plurality of pantograph bodies 3 that can be expanded and contracted are arbitrarily arranged in the gap S between the building housings 1 and 2 with an arbitrary separation in the longitudinal direction. A cover holder 4 is supported by the pantograph body 3, and an expansion joint is configured by laying a long cover material 5 on the plurality of cover holders 4.
[0018]
As shown in FIG. 2 (a), the pantograph body 3 is formed by connecting four links 6 in a diamond shape and connecting the centers of opposite links among the links by an intermediate link 7. Stretchable in the width direction.
[0019]
Both ends of the pantograph body 3 are supported by support members 8 provided facing the building housings 1 and 2.
[0020]
The supporting member 8 is an overall U-shape that is directly fixed to the building housings 1 and 2 with screws. The fixing member 8a has an end edge with a stop plate for a water stop plate and the other edge has an L shape. The tip bearing portion 8c includes a mounting member 8b rotatably attached to the support shaft 9. The mounting member 8b has a mounting portion for fixing the pantograph body 3 and the cover holder 4 to the opening end side of the gap S. 10 is formed. The bearing portion 8c and the support shaft 9 are provided in parallel to the longitudinal direction of the gap S. And the attachment part 10 of the support member 8 of both sides and the both ends of the expansion-contraction direction of the said pantograph body 3 are connected through the connection shaft 11 so that rotation is possible. The connecting shaft 11 is provided in the depth direction of the gap S.
[0021]
Next, a cover holder 4 is supported on the pantograph body 3. As shown in FIGS. 2A and 2B, the cover holder 4 is formed by forming a sliding groove 12 on the opposed inner wall of an extruded material having a substantially C-shaped cross section, and is held inside the sliding groove 12. A holding portion 13 such as a slide plate or a bolt head disposed at the end of the housing 14a of the tool 14 is slidably held.
[0022]
The cover holder 4 and the center of the intermediate link 7 of the pantograph body 3 are held by the holder 14 with the holder 13. The holder 14 includes a housing 14 a penetrating the pantograph body 3, and a spring material 15 such as a spring or a plate provided between the support end of the housing 14 a and the pantograph body 3. As a result, the cover holder 4 and the pantograph body 3 are elastically attracted, and the holder 14 expands and contracts in the gap S when the pantograph body 3 disposed in the gap moves and the cover holder 4 moves. It becomes possible to slide along the longitudinal direction of the sliding groove of the cover holder 4 arranged in the width direction.
[0023]
One end 4a of the cover holder 4 is pivotally attached to the support member 8 attached to the wall housing 1 so as to be rotatable in the depth direction by the connecting shaft 11, and is pivotally mounted in the front-rear direction. Is slidably held via the pantograph body 3 and the holder 14, and the other end 4b is engaged on the edge 16 of the other building housing 2 and supported freely.
[0024]
A cover material 5 is fixed to the upper surface of the cover holder 4 with screws. The end 5a on the wall side of the cover member 5 is bent in a Z-shape, and an airtight member 17 such as caulking or packing is disposed between the bent portion 5a and the wall housing 1. The free end engages on the edge 16 of the building housing 2 opposite to the wall housing 1 and is supported freely.
[0025]
According to the above configuration, when the building housings 1 and 2 are displaced, when the building housings 1 and 2 are close to each other and the gap S is narrowed as shown in FIG. 4 and the cover material 5 slide along the surface of the casing 2 opposite to the wall casing 1. When the pantograph body 3 is reduced, the holding portion 13 such as the holder 14 slides inside the sliding groove 12 along the longitudinal direction of the cover holder 4.
[0026]
As shown in FIG. 4, the buildings 1 and 2 are displaced from each other and separated to widen the gap S or immediately return to the normal gap width. However, when the width is wide, the pantograph body 3 expands. The cover holder 4 and the cover material 5 slide along the surface of the housing 2 opposite to the wall housing 1. Even if the gap S is wider than the cover material 5, the cover material 5 is supported by the pantograph body 3 of the holder 4, so that the cover material 5 does not fall inside the gap S, and a water stop plate is used. Airtightness is maintained over the gap. Even when the pantograph body 3 is extended, the holding holder 13 such as a slide plate of the holder 14 slides inside along the sliding groove 12 in the longitudinal direction of the cover holder 4 while the cover holder 4 remains in the pantograph body. It moves to 3.
[0027]
Further, as shown in FIG. 5, when the two building housings 1 and 2 are shifted in the depth direction of the gap S, the mounting member 8 b of the support member 8 of the cover holder 4 is fixed to the housings 1 and 2. Are connected to each other via the support shaft 9 so as to be able to rotate, so that it is possible to sufficiently cope with the deviation. At this time, if the free end portion of the cover material 5 is engaged with the building housing surface, the cover material 5 tends to be separated from the cover holder 4, but the pantograph body 3 and the cover holder 4 are not attached to the holder 14. Therefore, the cover holder 4 does not come off the pantograph body 3.
[0028]
Next, FIG. 6 shows another example of an expansion joint. This expansion joint has support members 8 and 8 attached to the inside of a gap S where the building housings 2 and 2 are opposed to each other in a flat state, and a pantograph that can be expanded and contracted thereto. A body 3 is arranged, a cover holder 4 is supported on the pantograph body 3, and a cover material 5 is installed on the cover holder 4.
[0029]
The pantograph body 3 and the cover holder 4 are in a state of being attracted to each other via the same holder 14 as described above.
[0030]
As shown in FIG. 7, the pantograph body 3 is formed by connecting four links 6 in a diamond shape, and connecting opposite links among the links by an intermediate link 7, and can be expanded and contracted in the width direction of the gap S. It has become.
[0031]
Both ends of the pantograph body 3 are supported by support members 8 provided facing the building housings 2 and 2.
[0032]
The support member 8 has the same configuration as the example shown in FIGS. 1 to 5, and the support member 8 is an overall U-shape that is directly fixed to the building housings 1 and 2 with screws, and the edge is water-stop The fixing member 8a is provided with a plate retaining edge and the other edge is L-shaped, and an attachment member 8b rotatably attached to the support shaft 9 at the tip bearing portion 8c of the fixing member 8a. An attachment portion 10 for fixing the pantograph body 3 and the cover holder 4 to the opening end side of the gap S is formed. The bearing portion 8c and the support shaft 9 are provided in parallel to the longitudinal direction of the gap S.
And the attachment part of the support member 8 of both sides and the both ends of the expansion-contraction direction of the said pantograph body 3 are connected via the connection shaft 11 so that rotation is possible. The connecting shaft 11 is provided in the depth direction of the gap S.
[0033]
Next, a cover holder 4 is supported on the pantograph body 3. The cross-sectional shape of the cover holder 4 is the same as that shown in FIG. 2B, and a holding portion 13 such as a slide plate of the holder 14 is slidably held therein.
[0034]
The cover holder 4 and the center of the intermediate link 7 of the pantograph body 3 are held by the holder 14 with the holder 13. Similarly to the above, the holder 14 also includes a housing 14a penetrating the pantograph body 3, and a spring material 15 such as a spring or a plate provided between the support end of the housing 14a and the pantograph body 3. Has been. As a result, the cover holder 4 and the pantograph body 3 are elastically attracted, and the holder 14 expands and contracts when the pantograph body 3 disposed in the gap moves and the cover holder 4 moves. It moves along the longitudinal direction of the sliding groove of the cover holder 4 arranged in the direction and can slide.
[0035]
Both ends of the cover holder 4 engage with the edges of the building housings 2 and 2 and are supported freely.
[0036]
Although not shown, on one side of the cover holder 4, the end portion or the end near the center is pivotally attached to the pivotable support member of the wall case 1 by the connecting shaft 11, In addition, the cover holder 4 in the middle part is slidably held via the pantograph body 3 and the holding tool 14, and the other end is engaged on the edge of the other building housing 2 and supported freely. Has been.
[0037]
According to the above configuration, when the building housings 2 and 2 are displaced, when the building housings 2 and 2 approach each other and the gap S becomes narrow as shown in FIG. 4 and the cover material 5 slide along both or one side of the building frame.
[0038]
When the two buildings 2 and 2 are separated from each other and the gap S is wide as shown in FIG. 9, the pantograph 3 is extended, and the cover holder 4 is along the two buildings 2, 2 or one side of the building surface. Slide. Even if the gap S becomes wider than the cover material 5, the cover material 5 is supported by the cover holder 4, so that the cover material 5 does not fall inside the gap S.
[0039]
Furthermore, as shown in FIG. 10, when both building housings 2 and 2 are shifted in the depth direction of the gap S, the pantograph body 3 of the cover holder 4 is a fixing member in which the mounting member 8b of the support member 8 is fixed to the housing. 8a is pivotably connected to the support shaft 9 so that the supporting and holding states can be fully accommodated while displacing any of the above. At this time, if the free end portion of the cover material 5 is engaged with the building housing surface, the cover material 5 tends to be separated from the cover holder 4, but the pantograph body 3 and the cover holder 4 are not attached to the holder 14. Therefore, the cover holder 4 does not come off the pantograph body 3.
[0040]
As shown in FIGS. 11A and 11B, the pantograph body 3 is formed in a lattice pattern except that the pantograph body 3, the cover holder 4 and the holder 14 are configured in the same manner as in the above-described embodiment. At the same time, a plurality of holders 14 may be attached to portions intersecting the two intermediate links 7. This configuration is not limited to the corner. As shown in FIGS. 12 (a) and 12 (b), it is equivalent to the embodiment of FIG. 6 and the like, and in the case of FIG. 12, the arrangement of the lattice-like pantograph body 3 and the plurality of holders 14 is different. In the example, the same applies to the expansion joints disposed in the two building frames 2 and 2 facing each other with the gap S therebetween.
[0041]
Further, the pantograph body 3 is not limited to a lattice-shaped or diamond-shaped single-piece structure. As shown in FIGS. 13 (a) and 13 (b), a plurality of holders 14 are arranged at arbitrary intersections between the pantograph body 3 and the cover holder 4 so as to be configured by connecting rhombus units. These may be slidably held when displaced.
[0042]
Further, the cover material 5 is not limited to one having a single structure. As shown in FIG. 14, the side cover holders 4B and 4B and the center cover holder 4A are optional as described above on the pantograph body 3 disposed on the support member 8 between the two buildings 2 and 2. A suitable number of retainers 14 and 14 are held at the intersections, and the side covers 5B and 5B and the central cover 5A are attached to the respective cover holders 14 and arranged on the two building housings 2 and 2 sides. The side cover 5B and the center cover 5A may be superposed. In addition, the code | symbol of illustration shall be the same as the above-mentioned example. The following example is the same.
[0043]
Similarly, as shown in FIG. 15, the side cover 5B of the side cover holder 4B arranged on the support members 8 on the two building housings 2 and 2 side, and the side cover 5B are further superimposed on the center side of the gap S. You may make it comprise from the auxiliary | assistant side cover 5C of the arrange | positioned auxiliary | assistant cover holder 4C, and the center cover 5A arrange | positioned at the center cover holder 4A and arrange | positioned in the center. The side cover 5B is fixed to the mounting member 8b so as to be rotatable with the fixing member 8a of the support member 8 described above. However, the auxiliary cover holder 4C of the auxiliary cover 5C is separated from the mounting member 8b, and the side cover holder 4B. The support member 20a is movably held by the support cover 20a and is held by the support member 20b at the end of the center cover 5A so as to be movable in the longitudinal direction of the other auxiliary cover holder 4C. ing. In addition, after the building housings 2 and 2 fluctuate in the width direction by the support member 20 of the spring material 20c such as a spring inwardly of the auxiliary cover holder 4c, the auxiliary cover holder 4c is biased so as to return to the original position. Two or more auxiliary covers 5 </ b> C may be arbitrarily increased or decreased in the width of the gap S.
[0044]
Further, as shown in FIG. 16, the auxiliary cover 5C is held by the auxiliary cover holder 4, and the auxiliary cover 5C is superposed under the auxiliary cover 5C with the center cover 5A holder 4A and the side cover 5B, and the pantograph. You may arrange | position so that it may hold | maintain on the body 3 via the holder 14. FIG.
[0045]
【The invention's effect】
According to the first aspect of the present invention, when the building frame constituting the planar state or the corner of the building facing the frame approaches or separates, the pantograph body expands and contracts, and the cover holder and the cover held thereon The material determines the position of the cover holder on one side and the cover material, and is sufficiently displaced and slidable to the displacement of the other building frame. Even if the gap between the building frames is wider than the cover material, the cover material is supported by the cover material and the cover holder, and the cover holder is supported by the pantograph body, so the cover material does not fall inside the gap. .
[0046]
In addition, since the pantograph body and the cover holder are in a state of being drawn and pulled together via the holder, the cover holder does not come off the pantograph body.
[0047]
According to the invention according to claim 2, when the building frame approaches or separates, the pantograph body expands and contracts, and both ends of the cover holder and the cover material held thereon correspond to the tilting and expansion / contraction displacement of the building frame. However, even if the gap between the building frames is wider than the cover material, the cover material is supported by the cover holder, so the cover material does not fall inside the gap.
[0048]
In addition, since the pantograph body and the cover holder are in a state of being drawn and pulled together via the holder, the cover holder does not come off the pantograph body.
[0049]
According to the third aspect of the present invention, the holder is provided so as to be slidable at any position where the pantograph body and the cover holder intersect in the width direction of the gap between the building frames when the pantograph body expands and contracts. Therefore, the holder can stably hold the cover holder despite the expansion and contraction of the pantograph body.
[0050]
According to the invention of claim 4, since the holder elastically pulls the cover holder and the pantograph body, even if the cover holder and the pantograph body move away from each other, the holding state Thus, the holder can stably hold the cover holder and the pantograph body.
[0051]
The holder according to claim 5 includes a housing penetrating the pantograph body, a slide holding portion that is provided at one end of the housing and is slidable along a sliding groove formed in the longitudinal direction of the cover holder; Since it is composed of a spring material provided between the other end of the housing and the pantograph body, when the pantograph body to which the cover holder is attached expands and contracts, The function of enabling sliding and the function of elastically pulling the cover holder and the pantograph body can be effectively achieved.
[0052]
According to the invention according to claim 6, since the plurality of holders are provided while maintaining a plurality of pivotable or movable holders with respect to the pantograph body, the holding strength between the pantograph body and the cover holder is high. growing.
[0053]
According to the seventh aspect of the present invention, the pantograph body includes a lattice-shaped, rhombus-shaped single body, or a structure obtained by connecting the single bodies, so that various configurations are possible.
[0054]
According to the invention which concerns on Claim 8, the fixing member of the support member and the attachment member which were each provided in the building frame which opposes across a gap | interval, the attachment member which attached the pantograph body rotatably, and the said pantograph body on this attachment member, Are connected through the connecting shaft so as to be rotatable in the depth direction of the gap, so that the pantograph body itself can freely move in any direction of the building frame.
[0055]
According to the invention according to claim 9, the cover material is arranged on the back side of the side covers arranged on the two building skeleton side, and the center of the side cover is further arranged on the center side of the gap. Since the center cover holder is formed on the back surface of the cover and the center cover, it is possible to cope with a case where the gap between the building frames is wide.
[0056]
According to the invention which concerns on Claim 10, it can respond also when the space | gap between building frames is wide.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of an expansion joint at a corner according to the present invention. FIGS. 2A and 2B are a plan view and a central longitudinal sectional view of a main part of the expansion joint. FIG. Fig. 4 is a vertical cross-sectional view of the building frame displaced to a separated state. Fig. 5 is a vertical cross-sectional view of the building frame displaced to deviate. Fig. 7 is a plan view of the main part of the above expansion joint. Fig. 8 is a longitudinal cross-sectional view of the building frame displaced in an approaching state. Fig. 9 is a state in which the building frame is separated. FIG. 10 is a longitudinal sectional view of a state where the building frame is displaced so as to be displaced. FIGS. 11A and 11B are a longitudinal sectional view of an example in which a grid-like pantograph body 3 is used. Plan view [Fig. 12] (a FIG. 13B is a longitudinal sectional view and a plan view of another example using the grid-like pantograph body 3. FIGS. 13A and 13B are a longitudinal sectional view of still another example using the grid-like pantograph body 3 and FIG. FIG. 14 is a vertical cross-sectional view of an expansion joint having a multi-cover configuration. FIG. 15 is a vertical cross-sectional view of another example of the expansion joint having a multi-cover configuration. FIG. Vertical section [Explanation of symbols]
S Gap 1 Building frame (wall frame)
2 Building frame 3 Pantograph body 4 Cover holder 5 Cover material 14 Holder

Claims (10)

A stretchable pantograph body is disposed in the gap of the building frame with a gap or in the gap of the building frame installed so that one side is a wall case and the other is a gap to form a corner. In the expansion joint in which the pantograph body is supported by the cover holder and the cover material is installed on this holder,
While pivotally supporting one part of the pantograph body and the holder for the cover and holding the other part together through a holder, the cover material is attached to the holder for the cover,
An expansion joint, wherein one end of the cover holder is pivotally attached to the one housing, and the other end is supported freely on the edge of the other building housing. A stretchable pantograph body is disposed in the gap of the building frame with a gap or in the gap of the building frame installed so that one side is a wall case and the other is a gap to form a corner. In the expansion joint in which the pantograph body is supported by the cover holder and the cover material is installed on this holder,
The pantograph body and the cover holder are held in a state where they are attracted to each other through a holding tool at an arbitrary pivotal support section, and the holding tool is slidably held along the longitudinal direction of the cover holder. ,
Both ends of the cover holder in which the cover material is attached to the cover holder are supported freely on the edges of the two building housings,
An expansion joint characterized by that. The expansion joint according to claim 1 or 2, wherein the holder is provided so as to be slidable along a longitudinal direction of a cover holder disposed in a width direction of the gap when the pantograph body expands and contracts. . The expansion joint according to claim 1, 2 or 3, wherein the holder elastically pulls the cover holder and the pantograph body. The holder includes a housing penetrating the pantograph body, a slide holding portion provided at one end of the housing and slidable along a sliding groove formed in the longitudinal direction of the cover holder, The expansion joint according to claim 1, 2, 3, or 4, comprising a spring material provided between the other end and the pantograph body. The expansion joint according to claim 1, 2, 3, 4, or 5, wherein a plurality of the holders are provided for the pantograph body. The expansion joint according to claim 1, 2, 3, 4, 5 or 6, wherein the pantograph body includes a lattice-shaped or rhombus-shaped single body or a combination of the single bodies. A supporting member fixing member provided on each of the building housings facing each other with a gap, a mounting member on which the pantograph body is rotatably mounted, and the pantograph body on the mounting member can be rotated via a connecting shaft. An expansion joint according to claim 1, 2, 3, 4, 5, 6 or 7. The cover material is composed of a side cover disposed on the side of the two buildings and a central cover disposed in a central position in the gap, and a side cover holder is provided on each of the side cover and the back of the central cover. The expansion joint according to claim 1, further comprising a center cover holder. The cover material is supplemented by a side cover disposed on the both sides of the building frame, one or a plurality of auxiliary side covers arranged on the center side of the gap, and a back surface of the auxiliary side cover. The expansion joint according to claim 9, comprising a side cover holder and a central cover disposed in the center.

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