JPH0433940B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for constructing a horizontal roof, in which roof plates made of long metal plates are roofed from the ridge (upper) side to the eave (lower) side. be.

[Conventional technology]

BACKGROUND ART Conventionally, as shown in Japanese Patent Publication No. 55-535, for example, a method of constructing a horizontal roof is known in which roof sheets are covered from the ridge side to the eaves side.

In addition, as shown in Japanese Utility Model Publication No. 1225/1983, a rectangular engagement hole and two cut-out locking claw pieces are provided at the top of the rafter member, and two holes are inserted into the base of the hanger member. A locking portion and a rectangular engagement tongue hanging down on the back side are formed, and the engagement tongue is passed through the engagement hole and engaged, and the locking portion is connected to the locking claw. By engaging and caulking these locking claw pieces to the base plate, the base plate of the hanger member is fixed to the top surface of the rafter member, and the hanger member is used to secure the roof made of a long metal plate. Boards are also laid sequentially from the eaves side to the ridge side.

[Problem to be solved by the invention]

In order to roof a long metal roof from the ridge side to the eave side using the conventional rafter members and hanger members described above, hang the roof from the surface side of the rafter member almost at right angles to the top surface of the rafter member. It is necessary to pass the engaging tongue piece provided on the base plate of the child member through the engaging part provided on the top surface of the rafter member, and to cause the locking part provided on the base plate to engage with the engaging claw piece, At this time, the next-stage roof board adjacent to the eave side is positioned on the surface side of the attachment part of the hanger member with the ridge-side molded part hooked to the eave-side molded part of the previous-stage roof board. This makes it difficult to assemble the hanger members to the rafter members, and it is also difficult to insert the base members of each tier between the rafter members and the roof sheets of each tier so that they partially overlap, making it difficult to construct a horizontal roof. There was a problem that the workability could not be improved.

The present invention solves the above-mentioned problems, and provides a roof plate made of long metal plates, which allows hanging members to be easily fixed to rafter members with good workability, and also allows easy insertion of base members. The purpose of this invention is to provide a method for constructing a horizontal thatched roof in which roofs are roofed from the ridge side to the eave side.

[Means to solve the problem]

The method for constructing a horizontal roof according to the present invention includes a roof plate in which an eave side molding part and a ridge side molding part are integrally formed on both sides of a face plate part formed at the center part in the width direction of a long metal plate; A metal rafter with a plurality of sets of engagement holes located on the upper side and one cut-out locking pawl located on the lower side formed in the longitudinal direction at predetermined intervals; and a lower part of the base plate. A locking part consisting of a notch is formed on the side edge, an engagement tongue protruding toward the back side of the base plate is formed on a rising part raised from the upper side edge of the base plate, and a locking tongue is formed in the middle of the raised part. a mounting step part that bends and protrudes toward the eaves; a hanger having a tip end protruding toward the lower part at the upright end of the rising part; and a base member; The ridge-side molded part of the lower roof board is hooked to the base member, and the ridge side of the lower base member is supported by the base plate of the upper hanger whose base plate is supported and fixed to the top surface of the rafter. Temporarily engage the tip of the lower hanger with the eave side molding of the lower roof board, and rotate the lower hanger and the lower roof board toward the rafters around the ridge side molding of the lower roof board. , rotate the lower hanger relative to the lower roof board, further move the lower base member to the ridge side, and place the eave side of the lower base member on the mounting step of the lower hanger. Then, the lower hanger is supported by the rising part of the lower hanger, and the engaging tongue of the lower hanger is engaged with the engaging hole of the rafter, and the locking part of the lower hanger is engaged with the locking claw of the rafter. and support the base plate of the lower hanger on the top of the rafter. Then, caulk the locking claw of the rafter to the top of the lower hanger, and attach the base plate of the lower hanger to the top of the rafter. By fixing the sections, the roof sheets are sequentially installed from the ridge side to the eaves side.

[Effect]

The method for constructing a horizontal roof according to the present invention uses the roof plates, rafters, hangers, and base members configured as described above to temporarily attach the tip of the lower hanger to the eave side molding of the lower roof plate. In this state, these are rotated toward the rafters around the eave-side molded part of the upper roof board, and the lower hanger is rotated relative to the lower roof board, and from the surface side in the diagonal direction of the eaves, The lower hanger can be attached to the rafters.

That is, by the above-described operation, the engaging tongue piece provided on the base plate of the hanger can be engaged with the engaging hole provided on the top surface of the rafter from the surface side in the direction of the diagonal eaves, and By forming the locking portion of the hanger by cutting out the lower edge of the base plate, it becomes possible to engage the locking claw of the rafter from the surface side in the direction of the diagonal eaves.

Therefore, even when the ridge side molded part of the lower roof board is hooked onto the eave side molded part of the upper roof board, the lower hanger can be easily assembled to the rafters in a short time. In addition, it may be sufficient to caulk the locking claws protruding from the rafters to the base plate of the hanger.
You can easily fix the hangers to the rafters.

Furthermore, in the work of inserting and laying base materials,
With the ridge side molding part of the lower roof board hooked to the eave side molding part of the upper roof board, insert the lower base material between the rafters and the lower roof board, and then place the lower base material on the ridge side. By moving the hanger and placing it on the mounting step of the lower hanger, supporting it on the rising part of the lower hanger, and then assembling and fixing the lower hanger to the rafters, the connection between the rafters and the roof board is achieved. The base member can be inserted between them with good workability.

Moreover, according to this construction method, since the suspension is supported front and rear on the rafter, the strength of the connection between the suspension and the rafter can be extremely increased.

〔Example〕

Hereinafter, the method for constructing a horizontal roof according to the present invention will be explained in detail with reference to FIGS. 1 to 6.

Fig. 1 is a sectional view showing a roof obtained by the horizontal roof construction method according to this example, Fig. 2, Fig. 3
Figure 5 and Figure 5 are perspective views showing detailed configurations of the rafters, hangers, and roof plates, respectively, and Figure 4 is the perspective view of
FIG. 6 is a cross-sectional view taken along the line in FIG.

In this embodiment, the individual rafters 11 are suspended at predetermined pitch intervals along the roof slope on a roof assembly (not shown) that is assembled as appropriate.
As shown in FIG. 2, the top surface 12 of the rafter 11 is formed by roll-forming a slightly thick metal plate into an approximately hat shape with left and right lower flanges.
On the top, engagement holes 13 are bored on the ridge side and engagement claws 16 are cut out on the eaves side at predetermined intervals along its longitudinal direction in order to attach hangers to be described later. , these are taken as one set, and a large number of sets are sequentially formed.

The engagement hole 13 is formed by opening the top surface portion 12.
A rectangular insertion part 14 with a predetermined width and a wedge-shaped engagement part 15 whose width is gradually narrowed upward from the insertion part 14, that is, toward the ridge side, are formed in a state in which they are connected to each other. Further, the locking claw 16
is formed by cutting and raising the top surface portion 12 from the bottom to the top. In addition, in FIG. 2, the locking claw piece 1 is punched out on the ridge side of the locking claw 16 and is not cut up.
7 is for the purpose of making this rafter 11 also serve as a horizontal roof that is roofed from the eaves side to the ridge side, which is separately proposed, so it is not directly related to this embodiment.
The explanation will be omitted.

As shown in FIGS. 3 and 4, the hanger 21 includes a base plate 22 for fixing to the rafter 11, and a locking portion 23 for determining and positioning the locking point by the locking claw 16. , a first rising portion 24a provided on the other end edge of the substrate portion 22 on the ridge side, a base member mounting step portion 25 bent at a predetermined slope at a predetermined height position in the intermediate portion, and this mounting step. A base member pushing part 25a formed between the part 25 and the substrate part 22, and a second rising part 24b rising from the mounting step part 25.
A top support portion 26a is formed by bending this toward the eaves side almost parallel to the base plate portion 22, and a hanging portion 26b at the tip of the top support portion 26a.
, a folded portion 26c, and an engaging hook portion 27 bent upward.

At the center of the rising edge of the first rising portion 24a of the hanger 21, a constricted portion 28a having a width corresponding to the wedge-shaped engaging portion 15 of the rafter 11 and narrower than the tip portion is provided. An engaging tongue piece 28 having a width smaller than that of the insertion part 14 of the rafter 11 is formed to hang down and protrude from the back surface of the base plate part 22. In addition, each bent portion of the hanger 21 is provided with appropriate reinforcing means by punching out ribs or the like.

The attachment hole 29 drilled on the base plate 22 closer to the ridge side than the locking part 23 of the hanger 21 allows the hanger 21 to be attached to a different rafter than the rafter 11, for example,
When rafters made of wood or the like are used, they are used as nail holes, and the barbed parts 30, 30 cut and raised at both ends of the base plate part 22 are also referred to as base members, which will be described later. These are applied to the case of fixing different base members, and since they are not directly related to this embodiment, their explanation will be omitted.

On the other hand, as shown in FIG. 5, the horizontal roofing board 31 is made of elongated metal such as a steel plate having a predetermined width and a predetermined unit length, which has been given toughness and weather resistance by applying anti-rust baking coating. A face plate portion 32 is formed in the center of the width direction by using a roll forming machine or the like to form this metal plate.
An eave-side molded part 33 is formed on the eave side, and a ridge-side molded part 34 is formed on the ridge side, respectively, continuously along the longitudinal direction of the metal plate.

In the eave side molded part 33, a hanging part 35 is formed by bending the lower edge of the face plate part 32 outward and downward to a predetermined length corresponding to the hanging part 26b of the hanger 21. The engagement portion 36 is formed by bending the lower edge inward. Furthermore, at the end of this engaging part 36, there is an engaging piece part 37 that is once folded back upwards, and an edge bending part 3 that is extended inward and has its end bent.
8.

In the ridge-side molded portion 34, a rising portion 39 is made to rise from the ridge-side edge of the face plate portion 32 to a predetermined length, and the upper edge is bent outward to form the engaging portion 4.
form 0. Then, the end portion of the engaging portion 40 is once folded upward to extend outward, and then folded back and bent inward to form the engaging piece portion 37 including the edge bent portion 38 of the eave side molded portion 33. A holding part 41 with an engaging recess 41a that can be held is formed, and a locking piece part 42 is formed by bending the upper end of the holding part 41 inward again.

A method of constructing a horizontal roof according to this embodiment will be explained below in accordance with the steps shown in FIGS. 6a to 6f.

Here, for convenience of explanation, it is assumed that each rafter 11 is placed over the corresponding roof assembly (not shown) at predetermined pitch intervals along the roof slope. Furthermore, on this rafter 11,
The following description assumes that the ridge side roof shingles 31 have already been installed on the ridge side through the base member 44 and by the hangers 21.

That is, as shown in FIG. 6a, first, the lower base member 44 is placed on the top surface 12 of the rafter 11 in contact with the locking pawl 16 on the eave side, and the lower horizontal roof board 31 is placed. The ridge side molded portion 34 is inserted.

Next, as shown in FIG. 6b, the upper roof plate 31
Insertion of the engagement recess 41a of the lower roof sheet 31 into the engagement piece 37, especially the bent edge portion 38 at the tip thereof;
Perform temporary engagement.

Further, as shown in FIG. 6c, temporary insertion of the base member 44 is performed by pushing the ridge-side edge portion 44a of the lower base member 44 into the push-in portion 25a of the upper hanger 21.

Subsequently, as shown in FIG. 6d, the eave-side molded part 33 of the lower roof plate 31 that has been temporarily engaged is lifted up a little, and the engagement piece part 37 including the tip edge bent part 38 is The hanging portion 26b, folded portion 26c, and engagement hook portion 27 of the lower hanger 21 are hooked.

Furthermore, as shown in Figure 6e, the lower hanger 2
1 in the clockwise direction around the hooked part thereof, and in the middle of this rotation, the eave side edge 44b of the temporarily inserted lower tier base member 44 is moved around the lower tier hanger 21. It is placed on the stage 25, and the rotation is continued. With this, the lower hanger 21
The engaging tongue piece 28 connects the rafter 1 from the oblique eaves direction surface side.
It enters the insertion part 14 of the engagement hole 13 formed in 1, and inserts and engages the wedge-shaped engagement part 15 with its constricted part 28a facing upward, and the locking part 23 engages with the locking claw 16. Fit it so that it slides into contact with the upper side. With this insertion, the ridge side end edge 44a of the lower base member 44 is attached to the mounting step 2 of the upper hanger 21.
5, that is, the push-in portion 25a of the base member
It is firmly pushed inside and locked.

Thereafter, as shown in FIG. 6f, by abutting and supporting the front surface of the base plate 22 of the hanger 21 on the top surface 12 of the rafter 11, the tip of the engaging piece 37 of the upper roof board 31 is The edge bending portion 38 is the lower roof sheet 3
1, and is held by the holding part 41 of the engagement recess 4
By being securely locked by 1a, the desired engagement connection can be obtained.

Finally, the lower hanger 21 can be fixed to the rafter 11 by hitting the locking claw 16 on the surface of the base plate 22 of the hanger 21 with a hammer or the like.

That is, the engaging hook portion 27 at the tip of the hanger 21 is
The roof plate 31 is hooked onto the engagement piece 37 and rotated, and during the rotation, the eaves side edge 44b of the base member 44 is placed on the mounting step 25, and the final The roof board 31 and base member 44 can be assembled and fixed onto the rafter 11 by simply caulking the locking claw 16 without using any fixing tools such as bolts or nuts. You get it.

By repeating these operations, it is possible to assemble and roof the horizontal roof panels from the ridge side to the eaves side, thereby constructing a horizontal roof.

〔Effect of the invention〕

As explained above, the method for constructing a horizontal roof according to the present invention provides the following effects.

In this invention, the tips of the lower hangers are temporarily engaged with the eave-side molded portion of the lower roof sheet, and these are rotated toward the rafters around the eave-side molded portion of the upper roof sheet, and By rotating the lower hanger relative to the lower roof board, the lower hanger can be assembled to the rafters from the surface side in the direction of the diagonal eaves.

That is, by the above-described operation, the engaging tongue piece provided on the base plate of the hanger can be engaged with the engaging hole provided on the top surface of the rafter from the oblique eaves direction surface side, Further, by forming the locking portion of the hanger by cutting out the lower edge of the base plate, it becomes possible to engage the locking claw of the rafter from the surface side in the direction of the diagonal eaves.

Therefore, even when the ridge side molded part of the lower roof board is hooked onto the eave side molded part of the upper roof board, the lower hanger can be easily assembled to the rafters in a short time. Furthermore, since the locking claws may be caulked to the base plate portion, the hanger can be fixed to the rafters with good workability.

Furthermore, in the work of inserting and laying base materials,
With the ridge side molding part of the lower roof board hooked to the eave side molding part of the upper roof board, insert the lower base material between the rafters and the lower roof board, and then place the lower base material on the ridge side. By moving the hanger and placing it on the mounting step of the lower hanger, supporting it on the rising part of the lower hanger, and then assembling and fixing the lower hanger to the rafters, the connection between the rafters and the roof board is achieved. The base member can be inserted between them with good workability.

Therefore, the hangers can be easily fixed to the rafters with good workability, and it is also easy to insert the base material through the hangers between the rafters and the roof sheets of each level so that they partially overlap. Can be done.

Moreover, according to this construction method, since the hanger is supported front and back on the rafter, the strength of the connection between the hanger and the rafter can be extremely increased.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a roof obtained by a horizontal roof structure construction method according to an embodiment of the present invention, and FIGS. 2, 3, and 5 show the same rafters, hangers, and roof plates, respectively FIG. 4 is a sectional view taken along the line in FIG. 3, and FIGS. 6 a to 6 f are cross-sectional explanatory views showing the procedure for constructing a horizontal roof according to the above embodiment. It is. DESCRIPTION OF SYMBOLS 11... Rafter, 12... Top surface part, 13... Engagement hole, 14... Insertion part, 15... Engagement part, 16...
Locking claw, 21... Hanging clip, 22... Base plate portion, 23...
...Locking portion, 24a, 24b...Rising portion, 25...
...Placement step part, 25a...Pushing part, 26a...
Top support part, 26b... hanging part, 26c... folded part (tip part), 27... engaging hook part, 28...
Engagement tongue piece, 28a... constriction part, 31... horizontal roof board, 32... face plate part, 33... eave side molding part,
34...ridge side forming part, 35... hanging part, 36...
Engagement part, 37... Engagement piece part, 38... Edge bending part,
39... Rising part, 40... Engaging part, 41... Holding part, 41a... Engaging recess of holding part, 42... Locking piece part, 44... Base member with flat plate shape in cross section, 44
a... Eave side edge portion, 44b... Ridge side edge portion.

Claims (1)

[Scope of Claims] 1. A roof plate in which an eave side molded part and a ridge side molded part are integrally formed on both sides of a face plate part formed at the center part in the width direction of a long metal plate, and a roof plate located on the upper side on the top surface part. A metal rafter with a plurality of sets of engagement holes and one cut-out locking pawl located on the lower side formed in the longitudinal direction at predetermined intervals, and a lower side edge of the base plate. A locking portion consisting of a notch is formed, an engagement tongue protruding toward the back side of the substrate portion is formed on a rising portion rising from the upper edge of the substrate portion, and an eaves side is formed in the middle portion of the rising portion. a mounting step part that bends and protrudes from the upper part, a hanger having a tip part protruding to the lower side at the upright end of the rising part, and a base member; The molded part of the ridge side of the board is hooked, and the ridge side of the lower base member is supported by the base plate of the upper hanger whose base plate is supported and fixed to the top surface of the rafter, and then the lower roof board is The tips of the lower hangers are temporarily engaged with the molded parts on the eaves side, and the lower hangers and the lower roof board are rotated toward the rafters around the molded parts on the ridge side of the lower roof boards. The lower tier base member is rotated relative to the lower roof plate, and the lower tier base member is moved toward the ridge side, and the eave side of the lower tier base member is placed on the mounting step of the lower tier hanger, and the lower tier suspension member is moved to the ridge side. The lower tier is supported by the rising part of the child, and the engaging tongue of the lower tier hanger is engaged with the engagement hole of the rafter, and the locking part of the lower tier hanger is engaged with the locking claw of the rafter. Support the base plate of the lower hanger on the top of the rafter, and then caulk the rafter's locking claw to the top of the lower hanger to fix the base of the lower hanger on the top of the rafter. A method of constructing a horizontally-thatched roof, which is characterized by sequentially laying roof sheets from the ridge side to the eave side. 2 The ridge side molding part of the roof board has a rising part rising from the face plate part and the engaging part which is bent outward from this rising part, and the eave side molding part has a hanging part bent inward. 2. The method of constructing a horizontal roof as claimed in claim 1, wherein curved engaging portions are respectively formed, and the engaging portion of the eave side molded portion is engaged with the engaging portion of the ridge side molded portion. 3 The ridge side molded part of the roof board is formed with a holding part including an engaging recess as a folded part, and the eave side molded part is formed with an engaging piece part having a bent edge part at the end. the upper eave-side molded part is received in the holding part of the lower ridge-side molded part, and the bent edge part is abutted against the engagement recess to engage and connect these two parts. A method for constructing a horizontal roof according to item 1 or 2.