JP3792337B2 - Expansion joint structure mounting method and expansion joint structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an expansion joint structure mounting method and an expansion joint structure.
[0002]
[Prior art]
As an expansion joint structure that covers the space (joint part) between the ceiling parts of adjacent buildings, an edge material is attached to the ceiling material (steel frame), and a joint plate (flat decorative cover) is placed on the edge material. I was allowed to support.
[0003]
[Problems to be solved by the invention]
However, the rim material is made of a thin plate material, and the rim material may be deformed (curved) due to the weight of a flat decorative cover, etc., and can cover the interval portion (joint portion) stably over a long period of time. could not.
[0004]
Therefore, the present invention can cover the space (joint portion) of the ceiling portion stably over a long period of time, and can sufficiently follow the fluctuation of the building, and the expansion joint structure mounting method and the expansion joint structure The purpose is to provide.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, an expansion joint structure mounting method according to the present invention is an expansion joint structure mounting method that covers the space between the ceiling portions of adjacent buildings, and has a substantially U-shaped cross section. For holding a pair of opposing edges in a horizontal shape, in which one member and a second member having a substantially U-shaped cross section are integrated to form an insertion groove between the first member and the second member A plurality of frames are projected in a cantilever- like manner from the ceiling supported by the building at a predetermined pitch along the longitudinal direction of the spacing portion. mounting edge material, for spacing portion lidding a widthwise end portion of the flat decorative cover, the upper side of said edge member lower end horizontally upper side of the lower formed with upper edges of said edge member through between, connected by after forme difference in the insertion groove of the rim material holding frame, pulling the distal end portion and the building of the first member of the edge material holding frame bar Is shall.
[0006]
Further, the expansion joint structure according to the present invention is a telescopic joint structure which covers the gap portion of the ceiling portion of the next adjacent building, shaped cross-section substantially U which insertion groove between are integrated with each other is formed A first member having a cross section and a second member having a substantially U-shaped cross section so as to face each other in a cantilever manner with a predetermined pitch along the longitudinal direction of the interval portion from the ceiling material supported by the building. and the edge member holding frame body of water Tairajo that will be more pairs projected, and under a pair of edge material on Ru provided at the distal end portion of said edge member retaining frame, above said edge member retaining frame first A tension bar connecting the tip of one member and the building , the lower edge member has a horizontal upper side, and the insertion groove of the edge member holding frame has an upper side The edge in the width direction of the flat decorative cover for covering the gap portion is inserted between the lower edge of the edge material and the upper side of the lower edge material, and the upper edge At the lower end and the lower edge member of the top side, in which the the width direction end portion of the plate-shaped decorative cover configured to slidably supported.
And in this expansion joint structure, it is preferable that the width dimension of the exposed part of the flat decorative cover in a free state is 300 mm to 800 mm.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0008]
FIG. 1 shows an expansion joint structure according to the present invention. This expansion joint structure covers a spacing portion 14 (joint portion) of a ceiling portion of an adjacent building (not shown) and is supported by the building. A plurality of edge member holding frames 2 attached to the material (lightweight steel frame material) 1, 1, and a pair of upper and lower edge members 3, 4 attached to the front end portion of the edge member holding frame body 2. Prepare.
By the way, the ceiling material 1 is supported horizontally by the support rods 5.
[0009]
Therefore, the frame member holding frame 2 includes a first member 6 fixed to the ceiling member 1 and a second member 7 integrated with the first member 6. That is, as shown in FIGS. 2 and 3, the first member 6 is made of a mold material such as steel having a substantially U-shaped cross section, and the second member 7 is similarly made of steel having a substantially U-shaped cross section. And comprises a horizontal portion 8 and a vertical portion 9 connected from the base end of the horizontal portion 8.
[0010]
In this case, as shown in FIG. 2, the vertical portion 9 of the second member 7 is fixed to the first member 6, and the first member 6 and the second member 7 are integrated. That is, L-shaped holding pieces 10 and 10 are fixed to the side wall 6a of the first member 6, and the vertical portion 9 of the second member 7 is fitted between the holding pieces 10 and 10, and in this state, the first portion is welded. The member 6 and the vertical part 9 of the second member 7 are integrated.
An insertion groove 11 having a predetermined gap is formed between the first member 6 and the second member 7. That is, the width direction end of the flat decorative cover 12 (for example, made of stainless steel or aluminum) is inserted into the insertion groove 11.
[0011]
Incidentally, a ceiling board 13 is provided below the ceiling material 1 as shown in FIGS. The ceiling board 13 is made of various materials such as a plaster board, a wooden board, and a plastic board.
[0012]
Thus, the frame member holding frame 2 is projected horizontally from the respective ceiling members 1 and 1 in a cantilever manner, and is arranged at a predetermined pitch along the longitudinal direction of the interval portion 14. That is, a plurality of pairs of edge material holding frames 2, 2 facing each other are projected in a predetermined pitch along the longitudinal direction of the interval portion 14.
[0013]
And the edge material 3 attached to the front-end | tip part of the frame material frame 2 ... for an edge material holding | maintenance consists of the horizontal wall 15 and the drooping wall 16 suspended from the front-end edge of this horizontal wall 15, as shown in FIG. The horizontal wall 15 is attached to the first member 6 of the frame member holding frame 2 via fixing tools 17 such as screws. Further, the edge member 4 attached to the front end portion of the edge member holding frame 2 has a first portion 18 having a U-shaped cross section and the first portion 18 to cooperate with the end portion of the ceiling board 13. It consists of a second portion 19 having an L-shaped cross section that is held in a gripping manner, and a third portion 20 having an L-shaped cross section that is fixed to the second member 7 of the frame member holding frame 2.
[0014]
That is, in the first part 18 and the second part 19, the vertical side 18a of the first part 18 and the vertical side 19a of the second part 19 are integrated by welding or the like, and the lower side 18b of the first part 18 and the second side 19 are integrated. A fitting groove 21 into which the edge of the ceiling board 13 is fitted is formed by the two horizontal sides 19b. Further, the horizontal side 20b of the third portion 20 is fixed to the second member 7 with fixing tools 17 such as screws. At this time, the horizontal of the second portion 19 is fixed with fixing tools such as countersunk screws (not shown). The side 19 b is fixed to the second member 7.
[0015]
And the width direction edge part 12a of the decorative cover 12 is the difference of the frame material 2 for edge material holding | maintenance via between the upper side 18c of the 1st part 18 of the edge material 4, and the lower end of the hanging wall 16 of the edge material 3. It is inserted into the slot 11. That is, both width direction end portions 12a and 12a of the decorative cover 12 are slidably supported by the facing edge members 3, 4, 3, and 4, respectively. A bent portion 12 b is formed at the edge in the width direction of the decorative cover 12.
Moreover, the front-end | tip part of the frame material frame 2 for edge holding, and the said unillustrated building are connected with the tension | pulling bar 22 which consists of a screw shaft.
[0016]
That is, a bar holding body 23 is erected at the tip of the upper surface of the first portion 6 of the frame member holding frame 2, and the lower end of the tension bar 22 is inserted into the holding piece 23 a of the bar holding body 23. The tension bar 22 can be connected to the frame member holding frame 2 by tightening the nut members 24, 24 arranged on the opposite side with respect to the holding piece 23a. The tension bar 22 is inclined at a predetermined angle with respect to the vertical direction, and its upper end is fixed to the building by a fixing means (not shown). The fixing means may be, for example, one composed of the above-described bar holder 23 and a pair of nut members 24, 24.
Therefore, the pulling bar 22 can prevent the frame member holding frame 2 from drooping and can prevent the decorative cover 12 from being distorted.
[0017]
By the way, the width dimension W (see FIG. 1) of the exposed portion 26 of the decorative cover 12 in the free state, that is, the dimension between the facing edges 3, 4, 3, 4 is set to about 300 mm to 800 mm, for example. The That is, if the width dimension W is 300 mm or less, the width dimension is too small to fulfill the role of the decorative cover 12. Conversely, if the width dimension W exceeds 800 mm, the decorative cover 12 This is because there is a possibility that it may hang down at the center in the width direction.
[0018]
Next, the attachment method of the expansion joint structure comprised as mentioned above is demonstrated.
First, the frame member holding frames 2... Are attached to the ceiling members 1 and 1 of each building at a predetermined pitch along the longitudinal direction of the interval portion 14.
[0019]
Thereafter, both width direction end portions 12a, 12a of the decorative cover 12 are inserted into the insertion grooves 11 of the frame member holding frame 2, and the edge of the edge cover frame 2 is attached to the edge portion. Install materials 3 and 4.
Next, the lower end portion of the tension bar 22 is connected to the distal end portion of the frame member holding frame body 2, that is, the distal end portion of the first member 6 via the bar holding body 23.
[0020]
Therefore, according to the expansion joint structure configured as described above, the flat decorative cover 12 can be stably held, and the end portion 12a of the decorative cover 12 is also used for holding the edge material even when the building is fluctuating. Since it can slide in the width direction with respect to the insertion groove 11 of the frame body 2, it can follow sufficiently.
Moreover, since the front-end | tip part of the frame material 2 for edge material holding | maintenance is supported by the tension | pulling bar 22, the hanging of the frame body 2 and the distortion | strain of the decorative cover 12 can be prevented effectively.
[0021]
In addition, although it can change freely as an arrangement | positioning pitch of the frame material holding frame 2 provided in each building side, it is preferable to set it as 300 mm-600 mm as this arrangement | positioning pitch. That is, if it is less than 300 mm, the number of the holding frames 2 is large and the construction is troublesome. Conversely, if it exceeds 600 mm, the interval in the longitudinal direction of the holding frames 2 becomes large, and the edge members 3, This is because 4 etc. may be deformed.
[0022]
In addition, the width dimension of the decorative cover 12 is set to, for example, about 250 mm to 600 mm, and the groove depth of the insertion groove 11 of each edge material holding frame 2 is set to the width dimension of the decorative cover 12 or relative Although it is determined in consideration of the dimension between the frame 2 and 2 for holding the facing edge material, it is preferably set to about 250 mm to 600 mm.
[0023]
【The invention's effect】
Since the present invention is configured as described above, the following effects can be obtained.
[0024]
( According to the expansion joint structure attachment method according to claim 1 ), the decorative cover 12 can be attached easily and stably, and the ceiling portion of the adjacent building can be finished beautifully. In addition, since the end 12a of the decorative cover 12 is slidable in the insertion groove 11 of the frame member holding frame 2, it can sufficiently follow the fluctuation of the building. Moreover, the pulling bar 22 can effectively prevent the rim material holding frames 2 from hanging down and the decorative cover 12 from being twisted.
( According to the expansion joint structure of claim 2 ) , the decorative cover 12 can be stably held, and the decorative cover 12 can be inserted into the frame holding frame 2 ... The groove 11 can be slid and followed sufficiently.
Further, the pulling bar 22 can effectively prevent the rim material holding frames 2 from hanging down and the decorative cover 12 from being twisted.
( According to the expansion joint structure of claim 3 ), the flat decorative cover 12 is stably held without being bent and a beautiful ceiling portion can be formed over a long period of time.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an essential part of an expansion joint structure according to the present invention.
FIG. 2 is an enlarged cross-sectional view of a main part.
FIG. 3 is an enlarged cross-sectional view of a main part.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ceiling material 2 Edge material holding frame 3 Edge material 4 Edge material
6 First member
7 Second member
11 Insertion groove
12 Decorative cover
14 Spacing section
18 c Upper side
22 Tension bar
26 Exposed area

Claims (3)

A method of attaching an expansion joint structure that covers a spacing portion 14 of a ceiling portion of an adjacent building, wherein a first member 6 having a substantially U-shaped cross section and a second member 7 having a substantially U-shaped cross section are integrated. A pair of opposed frame material holding frame bodies 2 and 2 that are opposed to each other and formed with insertion grooves 11 between the first member 6 and the second member 7 are ceiling materials supported by the building. A pair of upper and lower edge members 3 and 4 are projected in a cantilever- like manner in a cantilever- like manner at a predetermined pitch along the longitudinal direction of the spacing portion 14 at the tip of the edge member holding frame 2. attaching the end portion in the width direction of the flat decorative cover 12 for the spacing unit applying a cover of the upper side lower side lower end horizontally upper 18 c of said edge member 3 is formed of the edge member 4 top side 18 through between is c, after forme difference in the insertion groove 11 of the edge material holding frame 2 ..., and the tip portion and the building of the first member 6 of the edge material holding frame 2 Are connected with the tension bar 22 Expansion joint structure mounting method according to symptoms. The expansion joint structure that covers the interval portion 14 of the ceiling portion of the adjacent building, and is integrated with each other to form the insertion groove 11 therebetween. A plurality of pairs of protrusions are provided so as to face each other in a cantilever manner with a predetermined pitch from the ceiling member 1 supported by the building along the longitudinal direction of the spacing portion 14 with the substantially U-shaped second member 7. that water Tairajo the coaming holding frame 2 ..., and the strip 3 and 4 below a pair upper Ru provided at the distal end portion of said edge member holding frame 2, the edge material holding frame 2 A tension bar 22 connecting the tip of the first member 6 and the building ;
Lower side of the edge member 4 has a horizontally upper 18 c,
The insertion groove 11 of the frame frame 2 for holding the edge material is used for covering the gap portion through a space between the lower end of the upper edge material 3 and the upper side 18 c of the lower edge material 4 . the widthwise end portion of the flat decorative cover 12 is plugged at the lower end and the upper side 18 c of the lower side of the strip 4 of the upper edge member 3, the width direction of the plate-shaped decorative cover 12 An expansion joint structure characterized in that the end portion is slidably supported . The expansion joint structure according to claim 2 , wherein the width dimension of the exposed portion 26 of the flat decorative cover 12 in a free state is 300 mm to 800 mm.

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