JP2004250972A - Folding plate roof changing metal fitting, folding plate roof changing structure, and folding plate roof changing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding plate roof changing metal fitting whose new substrate material can be firmly and easily attached while reusing the existing substrate material by mounting the existing substrate material on the existing folding plate roof and attaching the existing folding plate through the new tight flame on the new substrate. <P>SOLUTION: The folding plate roof changing metal fitting has a screw bar member 3a, a washer member 3b, and a nut member 3c. The screw bar member is made to penetrate the existing folding plate 12 by piercing a lateral arm 30 with a pointed part 31, the pierced lateral arm is fixed to the existing substrate member 10. The washer member abuts on the existing folding plate and holds the existing substrate member between the washer member and the lateral arm. The washer member is pressed on the existing folding plate, the nut member is screwed on the upper end of the screw bar so as to hold the existing substrate member in a fastening state by the washer member and the lateral arm. The new substrate member 5 is connected to the nut member. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a folded-plate roof-replacement metal fitting, a folded-plate roof-replacement structure, and a folded-plate roof-replacement method in which an existing folded plate roof is left as it is while a new folded plate is laid thereon.
[0002]
[Prior art]
The folded-plate roof has a structure in which a folded plate is mounted on a base material via a tight frame.This folded-plate roof leads to good workability and shortens the construction period. It is used in many places, such as offices, houses, and steel structures.
However, since the folded plate used as the roofing material is tin, corrosion due to rust easily occurs and durability is poor.
Therefore, it is necessary to change the roof of this folded plate, but in the past, a technique of completely removing the existing folded plate and roofing a new folded plate, and a new technique of leaving the existing folded plate roof as it is, A technique for roofing a folded plate (see Patent Document 1) is known.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2000-73509
As in the former case, if the existing folded plate is completely peeled off and a new folded plate is laid, the ceiling must be dismantled and then restored, which requires a large amount of work.
Therefore, as in the latter case, it is common to leave a new folded plate on the existing folded plate roof while leaving it as it is.
The technique of Patent Document 1 described above is a technique in which a mounting bolt provided for mounting a folded plate on a tight frame is reused, and a sword-point bolt is integrally formed at an upper end of a nut portion to be screwed to the mounting bolt. Used roofing bolts.
That is, the nut portion of the replacement bolt is screwed into the existing mounting bolt, and the blade point bolt of the replacement bolt is penetrated from below through the newly-formed folded plate, and the nut is screwed in from the upper end of the penetrated bolt portion. As a result, a new folded plate is attached.
[0005]
However, the technique of Patent Document 1 described above is a technique in which a mounting bolt provided for mounting a folded plate on a tight frame is reused, and the existing mounting bolt may be rusted due to long-term use. In many cases, the threads are not suitable for re-use, such as corrosion of the threads, and re-use requires time and effort such as removal of rust, and the work efficiency cannot be improved. .
Further, since the weight of the newly-formed folded plate is originally supported only by the tight frame and the folded plate that need to be replaced, there is a problem that the support of the newly-formed folded plate tends to be unstable.
[0006]
[Problems to be solved by the invention]
The present invention has been made in order to solve the above-described problems.A new base material is mounted on an existing folded plate roof, and a new folded plate is formed on the new base material via a new tight frame. A first object of the present invention is to provide a folded-plate roof-replacement metal fitting technique that can easily and firmly attach a new foundation material while reusing an existing foundation material. And
It is a second object of the present invention to provide a folded-plate roof-replacement structure using the folded-plate roof-replacement fitting, and to provide a folded-plate roof-replacement method using the folded-plate roof-replacement fitting. This is the third issue.
[0007]
In order to solve the above-mentioned first problem, a folded plate roof roofing fitting of the present invention (claim 1)
A folding board roofing fitting for attaching a new base material on an existing folded plate roof on which an existing folded plate is attached via an existing tight frame on an existing base material,
It has a threaded bar having a horizontal arm formed at the lower end with a sharp end, a washer member through which the threaded bar is inserted, and a nut member threadedly engaged with the upper end of the threaded bar. ,
The screw bar material is formed so that the horizontal arm portion is pierced through the existing folded plate by being pierced from above the existing folded plate with a sharp portion at the tip, and the penetrated horizontal arm portion is engaged with the existing base material. And
The washer member is formed so as to abut on the existing folded plate and sandwich an existing base material with the lateral arm portion,
The nut member presses the washer member onto an existing folded plate, and is screwed to an upper end portion of the threaded bar member so that the washer member and the lateral arm portion clamp an existing base material in a tightened state. The nut member is formed so as to be connected to a new base material.
[0008]
Further, in order to solve the second problem, a folded plate roof rebuilding structure of the present invention (claim 2)
A new base plate is installed on an existing folded plate roof with an existing folded plate attached via an existing tight frame on an existing base material, and a new folded plate is placed on this new base material via a new tight frame. It is a foldable roof roof replacement structure attached,
A threaded bar having a threaded bar formed at the lower end with a lateral arm portion having a sharp tip, a washer member for inserting the threaded bar, and a nut member threadedly engaged with the upper end of the threaded bar. Equipped with metal roofing metal fittings,
The threaded rod material penetrates the existing folded plate by piercing the lateral arm portion from the top of the existing folded plate with a sharpened portion at the tip, and the penetrated horizontal arm portion is engaged with the existing base material,
The washer member is in contact with the existing folded plate and sandwiches the existing base material between the horizontal arm portion and the base plate,
The nut member presses the washer member onto an existing folded plate, and is screwed to an upper end portion of the threaded bar member so that the washer member and the lateral arm portion clamp an existing base material in a tightened state. And
The new base material is connected to the nut member, and a new folded plate is mounted on the new base material via a new tight frame.
[0009]
Further, in order to solve the third problem, a method for replacing a folded plate roof according to the present invention (Claim 3) is as follows.
Attach the new base material on the existing folded plate roof with the existing folded plate attached to the existing base material via the existing tight frame, and attach the new folded plate over this new base material via the new tight frame Is the method of roofing roof folding,
A threaded bar having a threaded bar formed at the lower end with a lateral arm portion having a sharp tip, a washer member for inserting the threaded bar, and a nut member threadedly engaged with the upper end of the threaded bar. Using metal fittings for sheet roofing,
The threaded rod material, penetrate the existing folded plate by piercing the lateral arm portion from the top of the existing folded plate by the sharp portion of the tip, and engage the penetrated lateral arm portion with the existing base material,
By screwing the nut member onto the upper end of the threaded bar and pressing the washer member onto the existing folded plate, the existing base material is tightened between the washer member and the lateral arm portion. Let it be in the state,
Next, the new base material is connected to the nut member, and a new folded plate is mounted on the new base material via a new tight frame.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings.
FIG. 1 is a side view of a folded-plate roof rebuilding structure according to a first embodiment of the present invention, FIG. 2 is a front view of the folded-plate roof rebuilding structure, FIG. It is a perspective view of the metal fitting for folding a roof.
[0011]
In the drawing, reference numeral 10 denotes an existing base material made of H steel, which is assembled as a steel frame beam, and an existing folded plate 12 is mounted thereon via an existing tight frame 11, thereby forming the existing folded plate roof 1. Have been.
The existing tight frame 11 is formed by bending a band-like plate material into a substantially trapezoidal corrugated shape, and its valley is attached to the upper surface of the existing base material 10 by welding, screws, or the like.
Further, the existing folded plate 12 is formed by bending a flat plate material into a substantially trapezoidal corrugated shape, and is placed on the existing tight frame 11, and the tops thereof are attached to the tops of the existing tight frame 11 with mounting bolts 13 and It is attached by a nut 14 with waterproof packing.
[0012]
When the existing folded plate roof 1 is replaced, the new folded plate 2 is laid on the existing folded plate 12 while the existing folded plate 12 is left as it is. In this case, the existing folded plate roof replacement metal fitting 3 is used to replace the existing folded plate roof 1. The new base material 5 is mounted on the folded plate 12.
[0013]
The folded metal roofing fitting 3 is formed by bending a lower end portion at a substantially right angle to form a screw bar 3a having a lateral arm portion 30 formed at a lower end thereof, and a washer member 3b through which the screw bar 3a is inserted. A nut member 3c is screwed onto the upper end of the threaded bar 3a.
[0014]
The tip of the lateral arm 30 formed at the lower end of the screw bar 3a is formed in a sharp portion 31. The sharp portion 31 is pierced from above the existing folded plate 12 so that the screw bar 3a is turned into the existing folded plate 12. And the penetrating lateral arm portion 30 is formed so as to engage with the existing base material 10.
A blade 32 is formed on the surface of the screw bar 3a on the side where the horizontal arm 30 extends, from the lower end portion of the screw bar 3a to the root of the horizontal arm 30, and the screw bar 3a is formed. Are formed on both sides.
[0015]
The washer member 3b is formed by bending a narrow plate material to form a bottom plate portion 34, a rising plate portion 35, an upper plate portion 36, and a hanging plate portion 37.
The lower end of the hanging plate portion 37 is always separated from the upper surface of the bottom plate portion 34, and a locking claw 38 is provided at the lower end of the hanging plate portion 37 so as to face the locking claw 38. A through hole 39 is formed in the bottom plate portion 34.
Then, when the lower end of the hanging plate portion 37 contacts the upper surface of the bottom plate portion 34 by pressing the upper plate portion 36, the locking claw 38 projects from the lower surface of the bottom plate portion 34 through the through hole 39. Is formed.
[0016]
In the bottom plate portion 34 and the upper plate portion 36, through holes 40, 40 for inserting the screw bar 3a are formed. As described above, the through holes 40 and 40 are formed in the two places of the bottom plate portion 34 and the upper plate portion 36, and the screw bar 3a is inserted through the holes. Therefore, the screw bar 3a is substantially moved with respect to the washer member 3b. It can be inserted upright.
In the through hole 40, straight portions 41, 41 corresponding to the flat surface 33 of the screw bar 3a are formed, and by locking the flat surface 33 with the straight portion 41, a screw rod is formed. The rotation of the material 3a with respect to the washer member 3b is regulated so that the extending direction of the lateral arm 30 and the extending direction of the bottom plate 34 are the same.
[0017]
The nut member 3c includes a nut portion 42 to be screwed to the upper end of the threaded bar 3a, and a bracket portion 43 welded to the nut portion 42. The bracket portion 43 has an elongated hole 44 for bolt insertion. Have been.
[0018]
The rebuilding of the existing folded-plate roof 1 using the folded-plate roof replacement metal fitting 3 formed as described above will be described.
In this folding roofing replacement method, a folding roofing replacement metal fitting 3 is fixed to an existing foundation material 10, and then a new foundation material 5 is attached to the folding roofing roof replacement metal fitting 3. The new folded plate 2 is attached via a newly installed tight frame 6 to the foldable plate 2.
[0019]
In the method of replacing a folded plate roof according to the present embodiment, as shown in FIG. 3, first, a position is set slightly away from the existing base material 10, and the tip of the lateral arm portion 30 of the screw bar 3 a is fixed. It is applied to the upper surface at the valley of the existing folded plate 12 (FIG. 3-A).
[0020]
Next, at that position, the horizontal arm 30 of the screw bar 3a is pierced from above the existing folded plate 12 by the sharpened portion 31 by tapping with a hammer or the like to penetrate the existing folded plate 12 (FIG. 3-B). .
[0021]
Next, the threaded bar 3a is hit with a hammer or the like until the threaded rod 3a comes into contact with the existing base material 10, and the lateral arm 30 is engaged with the existing base material 10 (FIG. 3C).
At this time, since the blade portion 32 is formed from the lower end portion of the threaded bar 3a to the root portion of the lateral arm portion 30, the existing folded plate 12 can be easily torn by the blade portion 32, and the existing folded plate 12 No deformation or distortion occurs.
[0022]
Next, by rotating the nut member 3c and screwing the nut portion 42 into the upper end portion of the screw bar 3a, the bottom plate portion 34 of the washer member 3b is brought into contact with the existing folded plate 12 so as to abut. The existing base material 10 is sandwiched between the washer member 3b and the lateral arm portion 30 (FIG. 3-D).
In this state, since the nut portion 42 has not yet been tightened, the folded-plate roofing metal fitting 3 is in a temporarily fixed state, and the lower end of the hanging plate portion 37 of the washer member 3b is separated from the upper surface of the bottom plate portion 34. However, the locking claw 38 is not inserted into the through hole 39.
[0023]
Then, from the temporarily fixed state, the nut portion 42 is further screwed into the screw bar 3a and tightened, thereby pressing the upper plate portion 36 of the washer member 3b.
As a result, the existing base material 10 can be clamped between the washer member 3b and the lateral arm portion 30 in a tightened state, and the folded plate / roof replacement metal fitting 3 can be fixed to the existing base material 10 (FIG. 3E). ).
At this time, the lower end of the hanging plate portion 37 comes into contact with the upper surface of the bottom plate portion 34, and in this state, the locking claw 38 protrudes from the lower surface of the bottom plate portion 34 through the through hole 39, and penetrates the existing folded plate 12; 3b does not move on the existing folded plate 12 and can be securely fixed.
Further, since the through-hole formed in the existing folded plate 12 by penetrating and cutting the screw bar 3a is covered by the washer member 3b, rainwater does not leak from this through-hole. In this case, it is preferable to attach a waterproof packing to the lower surface of the bottom plate portion 34 of the washer member 3b.
[0024]
After fixing the folded metal roofing metal fitting 3 to the existing base material 10 in this manner, the new base material 5 made of channel steel is then placed on the existing folded plate 12, and the new base material 5 is removed. The new base material 5 is fixed to the folded-plate roofing fitting 3 by fastening the nut 51 to the bracket portion 43 of the nut member 3c provided on the folded-plate roofing fitting 3 by passing the bolt 50 through the elongated hole 44.
[0025]
Then, a new tight frame 6 is fixed on the new base material 5, and the new folded plate 2 is attached to the new tight frame 6 with mounting bolts 60 and nuts 61 with waterproof packing. Complete.
The attachment of the new tight frame 6 and the new folded plate 2 is the same as the attachment of the existing tight frame 11 and the existing folded plate 12.
[0026]
Next, FIG. 5 is a side view of a folded plate roof rebuilding structure according to a second embodiment of the present invention.
In the folded-plate roof replacement structure of the second embodiment, the washer member 3b of the folded-plate roof replacement metal fitting 3 is integrally connected to the bottom plate portion 34 and the upper plate portion 36 by the rising plate portion 46. The locking claw 38 is formed on the lower surface in a projecting manner.
[0027]
Further, the nut member 3c of the folded-plate roofing metal fitting 3 is formed by a long nut 48, and the long bolt 52 inserted through the new base material 5 made of square steel is fastened to the long nut 48, so that the existing folded plate 12 is formed. And a new base material 5 is mounted on the roof through a folded metal roofing fitting 3.
The other configuration and construction method are the same as those in the first embodiment, and the same components have the same reference numerals in the drawings.
[0028]
【The invention's effect】
As described above, according to the folded metal roof roofing fitting of the present invention (Claim 1), it is possible to easily and firmly attach a new base material while reusing an existing base material having high strength. Can be.
In addition, since the tip of the lateral arm portion of the threaded bar is formed as a sharp portion, it can be easily inserted through the existing folded plate by penetrating the existing folded plate.
In addition, since the through hole formed in the existing folded plate by penetrating the screw bar is covered with the washer member, it is possible to prevent rain leakage during the construction period.
In addition, since welding that is indispensable to a steel-frame building is not required, a roof of an office, a house, or the like can be safely reformed without sparks falling behind the ceiling.
[0029]
When the blade portion 32 is formed on the screw bar 3a as in the embodiment, the screw bar 3a can be easily brought close to the existing base material 10 while cutting the existing folded plate 12, and the horizontal arm portion can be brought close. 30 can be deeply engaged with the existing base material 10, and the existing base material 10 can be firmly held between the washer member 3b.
Further, the bottom plate portion 34 and the upper plate portion 36 are formed in the washer member 3b, and the threaded bar 3a is inserted into the through holes 40, 40 formed in the bottom plate portion 34 and the upper plate portion 36. The material 3a can be supported by the two upper and lower through holes 40, 40, and the screw bar 3a can be inserted into the washer member 3b in a substantially upright state.
Further, when the flat surface 33 is formed on the screw bar 3a and the straight portion 41 corresponding to the flat surface 33 is formed in the through hole 40, the direction of the screw bar 3a with respect to the washer member 3b is regulated in a certain direction. can do.
Further, when the locking claw 38 is protruded from the washer member 3b, the locking claw 38 can be prevented from piercing the existing folded plate 12 to prevent the washer member 3b from moving, and particularly, as in the first embodiment, When the locking claw 38 is formed at the lower end of the hanging plate portion 37, the locking claw 38 does not always protrude, so that it can be used safely.
[0030]
Further, in the folded-plate roof rebuilding structure (Claim 2) and the folded-plate roof renewing method (Claim 3) of the present invention, the newly-installed base material is folded while the existing base material having high strength is reused. It can be easily and firmly attached with the roofing metal fittings, and the folded board roofing metal fittings can reliably support the weight of the new base material and the new folded board, and the new folding board can be attached to the new base material. Can be easily attached by the same construction method as before.
[Brief description of the drawings]
FIG. 1 is a side view of a folded-plate roof rebuilding structure according to a first embodiment of the present invention.
FIG. 2 is a front view of the folded plate roof roofing structure.
FIG. 3 is an explanatory view of a process of a method for changing a roof of a folded plate;
FIG. 4 is a perspective view of a folded-plate roofing fitting.
FIG. 5 is a side view of a folded-plate roof rebuilding structure according to a second embodiment of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 Existing folded plate roof 10 Existing base material 11 Existing tight frame 12 Existing folded plate 13 Mounting bolt 14 Nut 2 New folded plate 3 Folded plate roof replacement metal fittings 3 a Screw bar 3 b Washer member 3 c Nut member 30 Side arm 31 Sharp part 32 Blade part 33 Flat surface 34 Bottom plate part 35 Rise plate part 36 Top plate part 37 Hanging plate part 38 Engagement claw 39 Through hole 40 Through hole 41 Linear part 42 Nut part 43 Bracket part 44 Elongate hole 46 Rise plate part 48 Long nut 5 New base material 50 Bolt 51 Nut 52 Long bolt 6 New tight frame 60 Mounting bolt 61 Nut

Claims (3)

A folding board roofing fitting for attaching a new base material on an existing folded plate roof on which an existing folded plate is attached via an existing tight frame on an existing base material,
It has a threaded bar having a horizontal arm formed at the lower end with a sharp end, a washer member for inserting the threaded bar, and a nut member for screwing to the upper end of the threaded bar. ,
The screw bar material is formed so that the horizontal arm portion is pierced through the existing folded plate by being pierced from above the existing folded plate with a sharp portion at the tip, and the penetrated horizontal arm portion is engaged with the existing base material. And
The washer member is formed so as to abut on the existing folded plate and sandwich an existing base material with the lateral arm portion,
The nut member presses the washer member onto an existing folded plate, and is screwed to an upper end portion of the threaded bar member so that the washer member and the lateral arm portion clamp an existing base material in a tightened state. A folded plate roof replacement fitting characterized by being formed so as to connect a new base material to the nut member. A new base plate is installed on an existing folded plate roof with an existing folded plate attached via an existing tight frame on an existing base material, and a new folded plate is placed on this new base material via a new tight frame. It is a foldable roof roof replacement structure attached,
A threaded bar having a threaded bar formed at the lower end with a lateral arm having a sharp tip, a washer member for inserting the threaded bar, and a nut member threadedly engaged with the upper end of the threaded bar. Equipped with metal roofing metal fittings,
The threaded rod material penetrates the existing folded plate by piercing the lateral arm portion from the top of the existing folded plate with a sharpened portion at the tip, and the penetrated horizontal arm portion is engaged with the existing base material,
The washer member is in contact with the existing folded plate and sandwiches the existing base material between the horizontal arm portion and the base plate,
The nut member presses the washer member onto an existing folded plate, and is screwed to an upper end portion of the threaded bar member so that the washer member and the lateral arm portion clamp an existing base material in a tightened state. And
A folded-plate roof replacement structure, wherein the newly-installed base material is connected to the nut member, and a newly-installed folded plate is mounted on the newly-installed base material via a newly-installed tight frame. Attach the new base material on the existing folded plate roof with the existing folded plate attached to the existing base material via the existing tight frame, and attach the new folded plate over this new base material via the new tight frame Is the method of roofing roof folding,
A threaded bar having a threaded bar formed at the lower end with a lateral arm portion having a sharp tip, a washer member for inserting the threaded bar, and a nut member threadedly engaged with the upper end of the threaded bar. Using metal fittings for sheet roofing,
The threaded rod material, penetrate the existing folded plate by piercing the lateral arm portion from the top of the existing folded plate by the sharp portion of the tip, and engage the penetrated lateral arm portion with the existing base material,
By screwing the nut member onto the upper end of the threaded bar and pressing the washer member onto the existing folded plate, the existing base material is tightened between the washer member and the lateral arm portion. Let it be in the state,
Next, a method of replacing a roof with a folded plate roof, characterized in that the new foundation material is connected to the nut member, and a new folded plate is mounted on the new foundation material via a new tight frame.

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