JP3403524B2 - Member joining structure for ties and roof - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding fitting applied to a joint between a rafter, a horizontal member and a ceiling edge of a roof of a wooden house such as a unit building, and a member joining structure for a roof using the binding fitting. Regarding

[0002]

2. Description of the Related Art Conventionally, when connecting a rafter with a sloping roof, a ceiling edge (= ceiling joist) and a horizontal member, for example, FIG.
As shown in 2, the horizontal member 1 and the field edge 2 are joined by diagonal nailing, and the end of the field edge 2 is positioned on the side of the rafter 3 and
The field edge 2 and the rafter 3 are joined to each other by a nail driven into the side of the rafter 3.

When the horizontal member 1 and the rafter 3 are simply connected, as shown in FIG. 13, a U-shaped portion 4a that straddles the rafter 3 and a side surface of the horizontal member 1 suspended from the lower end thereof. There is also an example in which a method of joining is performed by using a binding metal fitting 4 having a pair of fixing pieces 4b which are nailed. As a conventional example of such a binding metal fitting, the one described in Japanese Patent Publication No. 58-38085 is known.

[0004]

However, since the former joining structure directly joins the trees with the nails, the joining strength is low and the number of nails is large, so that the work is troublesome. Further, since the field edge 2 and the horizontal member 1 are joined by diagonal nailing, there is a problem that it is difficult to make the quality constant due to variations among operators.

Further, since the latter metal fitting is only for connecting the horizontal members 1 and the rafters 3, the rafters, the ceiling members and the horizontal members are placed in a state where the ceiling margin is arranged on the side of the rafters. It was not possible to join them together.
Furthermore, since the fastening piece fixes the fixing piece to the inner surface of the horizontal member, when assembling the roof unit as described later, it is difficult to perform the fixing work unless it is from the inside of the roof unit, and the degree of freedom in work is small. There was a problem.

The present invention has been made in view of the above-mentioned circumstances, and it is possible to integrally and firmly join a rafter, a ceiling edge, and a horizontal member with one metal fitting, and moreover, the quality can be made constant, An object of the present invention is to provide a binding metal fitting that can simplify the joining work and a roof member joining structure using the same.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 is a barrel tree having a sloping roof, a horizontal ceiling field edge facing the same direction as the barrel tree in plan view, A binding metal fitting that joins a horizontal member that extends horizontally in a direction orthogonal to a rafter, which is fitted to the end of the ceiling field edge so as to straddle the end, and in a state of being fitted to the ceiling field edge. , A U-shaped field edge fitting portion which is joined to the side surface of the barrel with the ceiling field edge by a fastener penetrating from the outside, and both ends of the U-shaped field edge fitting portion facing downward. And a horizontal member fixing portion that is formed to horizontally project outward, has a U-shaped cross section that covers the upper surface and both side faces of the horizontal member, and is joined to the horizontal member by fasteners that pass through both side plate parts of the horizontal member. It is characterized by having.

Further, the invention according to claim 2 is a roof having a sloping roof panel, a horizontal ceiling field edge, and a horizontal member extending horizontally in a direction orthogonal to the rafter, and the rafter of the sloping roof. It is the member joining structure in the roof which joined the ceiling field edge and the horizontal material with the binding metal fitting of Claim 1, Comprising: The end part of the ceiling field edge was fitted in the field edge fitting part of the binding metal fitting. , The horizontal material fixing portion of the binding metal fitting is covered with a horizontal material, the horizontal material fixing portion is fixed to the horizontal material with a fastener, and the field edge fitting portion with the ceiling field edge fitted is It is characterized in that it is joined to a rafter by fastening a fastener penetrating the field edge fitting portion to a side surface of the rafter of the sloping roof panel.

[0009]

According to the first aspect of the present invention, the end portion of the ceiling field edge is fitted into the U-shaped field edge fitting portion, and in this state, the horizontal material is covered with the horizontal material fixing portion, and the horizontal material is fixed. The fixing part is connected to the horizontal member with a fastener such as a nail driven from the side. Next, the field edge fitting portion in which the ceiling field edge is fitted is joined to the side surface of the rafter tree together with the ceiling field edge by a fastener such as a nail driven from the outside. Thereby, the rafter, the ceiling field, and the horizontal member can be integrally connected. In that case, since the ceiling edge is joined to the side of the rafter, the horizontal member can be fixed at a position in contact with the lower surface of the rafter.

According to the second aspect of the present invention, in the state in which the end of the ceiling edge is arranged on the side of the rafter, the rafter, the ceiling edge and the horizontal member are integrally connected by the binding metal fitting of the first aspect. Therefore, the horizontal member can be fixed in a state of being positioned at a position in contact with the lower surface of the rafter.

According to the first and second aspects of the present invention, diagonal nailing is eliminated, and the quality can be made constant. Further, since the binding metal fitting can be arbitrarily fixed to either the upper surface or both side surfaces of the horizontal member, there is a large degree of freedom in work.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1A and 1B show a configuration of a binding metal fitting of an embodiment, FIG. 1A is a perspective view of the binding metal fitting 100, and FIG. 1B is a perspective view showing a configuration of a joining portion joined using the binding metal fitting 100. This binding fitting 100 is a roof unit 80 (described later) for constructing a unit building, and a barrel 56 of a roof panel 50 (described later) and a ceiling panel 20 (described later).
It is used when joining the field edge 21 and the head tie (horizontal member) 23.

As shown in FIGS. 1A and 1B, the binding metal fitting 100 includes a U-shaped field edge fitting portion 102 which is fitted from above so as to straddle the end portion of the field edge 21. Each of the U-shaped field edge fitting portions 102 is provided with a head joint fixing portion 105 having a U-shaped cross-section and formed so as to horizontally project outward at both ends thereof. The binding metal fitting 100 is formed by bending one sheet metal, and has a U-shaped field edge fitting portion 102.
Is composed of an upper plate 102a and a pair of side plates 102b, 102b which are continuously provided downward from both side edges thereof. Only one of the side plates 102b is provided with a pilot hole 103 for nailing, and the other side plate 102b is It is said to have no holes. The nail driving pilot holes 103 are eccentrically arranged at positions where the nails can be nailed to the rafters 56 on the roof panel 50 side when combined with the roof panel 50.

Further, the respective head tie fixing portions 105, 105 of the binding metal fitting 100 have a U-shaped cross section covering the upper surface and both side surfaces of the head tie 23, and the lower end edge of the side plate 102a of the field edge fitting portion 102. The upper plate 105a is formed by horizontally bending from the outer side to the outer side, and the pair of side plates 105b, 105b is formed by being bent downward from both side edges of the width direction. Each side plate 105b is provided on the side surface of the head joint 23. A nailing prepared hole 106 for nailing is provided.

At the time of assembling the ceiling panel 20, which will be described later, the binding metal fitting 100 is arranged on the end portion of the field edge 21 of the ceiling panel 20 and the head joint 23, and the field edge fitting portion 102 is fitted with the field edge 21. The end portions are fitted, and in this state, the head tie 23 is covered with the head tie fixing portion 105, and both side surfaces of the head tie 23 are attached to the side plates 10 of both head tie fixing portions 105, 105.
5b is nailed and fixed, and the field edge 21 and the head tie 23 are connected. Also, a roof panel 50 and a ceiling panel 2 which will be described later.
When combining 0, the end of the field edge 21 of the ceiling panel 20 is arranged on the side of the rafter 56 of the roof panel 50.
With the end portion of the box and the rafter 56 overlapped, outside the U-shaped field edge fixing portion 102 of the binding metal fitting 100 (in this case, on the side plate 102b opposite to the rafter 56, the nailing prepared hole 103). The fastening metal fitting 100 is attached to the ceiling panel 20 so that the side plate 102b having the position is located), and a nail is driven into the prepared hole 103. Then, the tips of the nails are penetrated through the side plate 102b on the opposite side and driven into the side surface of the rafter 56. As a result, the field edge 21 and the head tie 23 can be integrally joined to the rafter 56 via the binding metal fitting 100, and in that state, the head tie 23 is positioned at a position in contact with the lower surface of the rafter 56. You can

Next, a roof unit 80 constructed by using the binding fitting 100 will be described. 2 to 9 are diagrams showing the configuration of each step when assembling the roof unit 80. Among them, FIGS. 2 and 3 are views showing an assembling process of the ceiling panel 20, and FIG.
0 and the small gable wall panel 40 are assembled to form a roof support frame 70, FIGS. 5 to 8 are views showing an assembly process of the roof panel 50, and FIG. 9 is a roof support frame 70 and the roof. It is a figure showing the state where panel 50 is combined and roof unit 80 is constituted. The roof unit 80 is a roof unit on the eaves side, and the roof construction surface is inclined downward to one side.

The ceiling panel 20 incorporated in the roof unit 80 is arranged directly below the sloping roof panel 50. To make the ceiling panel 50, first, FIG. Therefore, as shown in (upside down), a plurality of field edges 21 are arranged in parallel with each other at intervals.
The beam members 22 are arranged between the ends of the field edges 21 at both ends of the field edges 21, and the beam members 22 are joined to the end faces of the ends of all the field edges 21 by nailing or the like. Next, a head joint 23 is passed between the other ends of the field edges 21 at both ends, and this head joint 23 is the lower surface of each other end of the entire field edge 21 (in FIG. 1, the upper and lower sides are upside down, so that it is an upper surface). ), And using the above-mentioned binding metal fitting 100, the end of the field edge 21 and the head joint 23
Combine with. Of course, connect the head with the binding hardware 100 2
In addition to connecting No. 3 and Norim 21, the head tie 23 is Nom 2
It may be directly nailed to 1. Both ends in the lengthwise direction of the head joint 23 are protruded outward from the outer surfaces of the field edges 21 and 21 at both ends by a predetermined dimension (a dimension on which a gable small wall panel 40 described later is mounted).

Then, the ceiling support member 25 is attached to the lower surface of the ceiling frame assembly 24 assembled in this way, and thereafter, as shown in FIG. 3, the lower surface side of the ceiling frame assembly 24 (the upper surface is upside down in FIG. 2) Ceiling board material such as gypsum board
The ceiling panel 20 is constructed by attaching 6 to each other with nails. In the ceiling panel 20 configured in this way, each field edge 21
The other end side of the field is connected by the head tie 23 arranged on the lower surface side thereof, and the beam material on the other eave facing the beam material 22 on the ridge side is omitted, so the end face of the field edge 21 A portion from 21a to the upper surface 21b is open, that is, exposed (FIG. 3).
Then it is upside down). The ceiling surface material 26 is not attached to the side edge portion of the ceiling panel 20. This is for facilitating the joining work with the room unit and the adjacent roof unit at the construction site, and after these joining works, the ceiling surface material of that portion is attached on the site.

After the ceiling panel 20 is constructed as described above, it is inverted (corrected to the posture at the time of construction), and as shown in FIG. 4, the girder truss 30 and the gable small wall panel 40 are attached to the ceiling panel 20. Assemble.

The girder truss 30 is a rectangular frame composed of upper and lower frames 31, 32 and left and right frames 33, 34, and an intermediate frame 35 is vertically arranged at the middle of the left and right frames, and the upper and lower frames 31, 3 are arranged.
2 and the lower connecting points of the left and right frames 33, 34 and the diagonal member 37 in the middle of the upper frame 31 in the length direction, and these are connected to the metal fittings 38.
Are combined using.

In addition, the gable small wall panel 40 includes an oblique upper frame 41 that forms the slope of the roof, a horizontal lower frame 42, and an upper and lower frame 4.
A triangular frame is made up of a plurality of vertical frames 43 arranged between 1 and 42, and face materials 44 and 4 are provided on the front and back surfaces of the frame.
4 is attached to form a bearing wall.

After the ceiling panel 20 is constructed, the lower frame 32 of the girder truss 30 is nailed and joined to the beam member 22 of the ceiling panel 20, and the gable small walls are attached to the outer surfaces of the field edges 21 at both ends of the ceiling panel 20. The lower frame 42 of the panel 40 is put together, the lower frame 42 and the field edges 21 at both ends are joined by nails struck from the inside of the field edge 21, and the vertical frame 43 at the end of the gable wall panel 40 is joined to the girder Truss 3
The left and right frames 33 and 34 of No. 0 are nailed and joined to each other, thereby forming the roof support frame 70 integrally having the ceiling panel 20.

On the other hand, separately from this, the roof panel 50 is constructed according to the steps shown in FIGS. Roof panel 5
In order to configure 0, first, as shown in FIG. 5 (the figure is upside down from the posture at the time of construction), a rectangular roof frame 51 is constructed. The roof frame 51 is arranged in parallel with each other, with a pair of beam members 52 and 53 facing each other, a pair of vertical frames (side trees and gable plates) 54 and 55, and a plurality of them arranged therebetween. Roof frame 5 consisting of rafters 56
A fluttering tree 57 is formed at the side edge portion of 1. In addition, the beam member 53 located on the ridge side during construction constitutes a vertical joint surface for joining with an adjacent roof unit,
It is attached diagonally.

After the roof frame 51 is constructed, eaves ceiling materials 58 and 59 are attached to the peripheral edges thereof as shown in FIG. Then, as shown in FIG. 7, the roof frame 51 is inverted,
The hanging metal fittings 150 are fixed to the four corners, and the nose cover material 60 is attached to the outer surface of the beam member 52 on the eaves side. Further, the crosspiece 61 is arranged between the rafters 56. Thereafter, as shown in FIG. 8, a roof surface material 62 such as structural plywood or particle board is attached to the upper surface of the roof framework 51 with nails or the like to form a roof construction surface, and a waterproof material 63 such as asphalt roofing 63 is provided thereon. Is laid to form the roof panel 50. Also in this case, in order to facilitate the next process work, the roof surface material 62 is pasted leaving the necessary portions.

After the roof panel 50 is constructed in this manner, the roof panel 50 is placed on the upper portion of the roof support frame 70 constructed in the process shown in FIG. 4, the two are joined, and the remaining roof panel 62 is attached. Then, the roof unit 80 is constructed.

That is, the roof panel 50 is placed on the upper part of the roof support frame 70 with the fluttering tree 57 overhanging to the outside, and the upper frame 41 of the gable wall panel 40 and the roof panel 50 are connected to each other, and the roof panel is also attached. 50 beams 53 to girder truss 3
It is connected to the upper frame 31 of 0. In addition, each field edge 21 of the ceiling panel 20 incorporated in the roof support frame 70 is attached to the roof panel 50.
Since the sagittal trees 56 are oriented in the same direction as each other and are arranged at positions deviated from each other, the respective field edges 21 are inserted to the side of the sagging trees 56 of the roof panel 50, and the head tie 23 is connected to the lower surface of the sailing trees 56. In such a state, the rafter 56, the head tie 23, and the field edge 21 are integrally connected using the above-mentioned binding metal fitting 100. As a result, the roof unit 80 having the horizontal ceiling panel 20 is completed.

As described above, when the ceiling panel 20 without the beams on the eaves side is assembled to the roof panel 50, the head tie 23 provided on the ceiling panel 20 is connected to the lower surface of the rafter 56 of the roof panel 50. Since it is possible to position the roof panel 50 and the head joint 23 as shown in FIGS. 10A and 10B, the horizontal ceiling shown in FIG. Can be matched with. As a result, the lower end of the roof unit 80 (head joint 2
3 positions) to the reference position of the roof panel 50 (for example, a joint with another roof unit), the heights H1 and H2 are:
It can be unified regardless of the ceiling format.

The roof unit 80 constructed as described above
At the construction site, as shown in FIG. 11, for example, is placed on the upper end of the corresponding room unit 5 and is connected to the same room unit and the adjacent roof unit and installed. Then, by attaching the ceiling surface material only to the portion of the surface of the ceiling panel 20 where the ceiling surface material is not attached, the ceiling is completed.

The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific structure is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the present invention. Also included in the present invention.

For example, in the above embodiment, nails were used to connect the rafter 56 and the field edge 21 with the binding metal fittings 100.
It may be fixed with a screw, or may be fixed with a bolt through hole provided in advance on both side plates 102b of the field edge fitting portion 102 of the binding fitting 100 and a predetermined portion of the rafter 56 in advance.

Further, in the above embodiment, the ceiling panel 20 is incorporated into the roof unit 80 at the factory production stage.
The ceiling panel 20 may be combined locally with a ceilingless roof unit. In that case, although it is impossible to reduce the number of on-site construction man-hours, in terms of roof accommodation and roof height uniformity,
There is no difference from the case of a sloping ceiling.

[0032]

As described above, according to the first aspect of the present invention, when the ceiling edge and the horizontal member are joined, the horizontal member is fixed in the state in which the field edge is fitted in the fitting portion. By connecting both side plates of the section to the side surface of the horizontal member with fasteners such as nails that are directly driven into the both side plates, it is configured to connect the field edge and the horizontal member. The ceiling edge and the horizontal material can be joined to. Moreover, because the field edge fitting portion of the binding metal fitting with the ceiling field edge fitted is configured to be joined to the side surface of the rafter with the fastening metal fitting such as a nail that penetrates with the field edge fitting portion as it is, With the interposition of binding hardware,
Even when the number of nails is small compared to the case where the field rim is directly fixed to the rafter with nails, it is possible to reliably and firmly connect the rafter and the ceiling rim. Moreover, since the ceiling edge and the horizontal member can be joined by nailing the both side plates of the horizontal member fixing portion to the horizontal member in a straight manner, the diagonal nailing is not necessary and the quality can be made constant. Furthermore, since the rafter, the horizontal member, and the ceiling edge can be connected through one metal member, the integrity of the joint portion can be enhanced, and the rigidity of the frame from the roof to the ceiling can be enhanced. Furthermore, since this binding member can be formed by bending a single metal plate, it can be provided at low cost.

According to the second aspect of the invention, since the rafter, the ceiling field and the horizontal member are connected by one binding metal fitting, the integrity and the connecting strength of the connecting portion are enhanced. In particular, since the ceiling field edge is fitted to the field edge fitting part of the binding fitting and is joined to the side surface of the rafter, not only the bonding strength but also the compact relationship between the rafter, the ceiling field, and the horizontal member is compact. Can be configured to.

[Brief description of drawings]

1A and 1B are views showing a configuration of a binding fitting according to an embodiment of the present invention, FIG. 1A is a perspective view of only the binding fitting, and FIG. 1B is a perspective view showing a usage state of the binding fitting.

FIG. 2 is a process view of assembling a roof unit using the binding fitting of the embodiment of the present invention, and is a perspective view showing a structure of a ceiling panel incorporated in the roof unit during assembly.

FIG. 3 is a perspective view showing a configuration of a next step of FIG.

FIG. 4 is a perspective view showing a state in which the ceiling panel obtained by the process of FIG. 2 is inverted and a roof support frame is assembled to the ceiling panel.

FIG. 5 is another process diagram when assembling the roof unit, and is a perspective view showing a structure in the middle of assembling a roof panel incorporated in the roof unit.

6 is a perspective view showing a configuration of a next step of FIG.

FIG. 7 is a perspective view showing a state in which the roof frame obtained by the process of FIG. 5 is inverted and a hanging fitting and a nose cover are attached.

FIG. 8 is a perspective view showing a state where the waterproof material and the ceiling surface material are assembled to the roof frame after the process of FIG. 6 is completed.

9 is a diagram illustrating an example in which the roof panel with a ceiling panel obtained by the process of FIG. 3 is assembled with the roof panel obtained by the process of FIG. 7, and a roof panel is further assembled on the upper surface of the roof panel. It is a perspective view showing the state which constitutes the roof unit of.

FIG. 10 is an explanatory view shown for comparing the dimensions in the height direction of the roof unit and a roof unit having a sloping ceiling, FIG. 10A is a schematic side view showing the roof unit of the embodiment, b) is a schematic side view showing an example of a roof unit having a sloping ceiling.

FIG. 11 is a side view showing an actual construction example of the roof unit of the embodiment.

FIG. 12 is a side head showing the structure of a conventional joint between a rafter, a ceiling edge, and a head tie (horizontal member).

FIG. 13 is a side head showing a joint structure of a rafter and a head tie (horizontal member) using a conventional binding metal fitting.

[Explanation of symbols]

21 Noen 23 head tie (horizontal material) 56 rafters 80 roof unit (roof) 100 binding hardware 102 Field fitting part 105 Head splint fixed part 105b side plate

Claims (2)

(57) [Claims] 1. A binding metal fitting for joining a rafter with a sloping roof, a horizontal ceiling edge facing in the same direction as the rafter in a plan view, and a horizontal member extending horizontally in a direction orthogonal to the rafter. , Fitted to the end of the ceiling field edge so as to straddle the end, and in a state of being fitted to the ceiling field edge, on the side surface of the barrel with the ceiling field edge by a fastener penetrating from the outside thereof. The U-shaped field edge fitting portion to be joined and the both ends of the U-shaped field edge fitting portion, which are downwardly directed, are formed so as to horizontally project outward, and the upper surface and both side surfaces of the horizontal member are formed. A binding metal fitting having a U-shaped cross section for covering, and a horizontal material fixing portion joined to the horizontal material by a fastener that passes through both side plate portions of itself. 2. A sloping roof panel, a horizontal ceiling edge,
In a roof having a horizontal member that extends horizontally in a direction orthogonal to the rafter, a member joining structure for a roof, in which the rafter, the ceiling field edge, and the horizontal member of the sloping roof are joined with the binding fitting according to claim 1. Then, with the end portion of the ceiling edge fitted in the edge fitting portion of the binding metal fitting, the horizontal material fixing portion of the binding metal fitting is covered with a horizontal member, and the horizontal material fixing portion is horizontally fixed by a fastener. By fixing the field edge fitting portion fixed to the material and fitting the ceiling field edge to the side surface of the rafter of the sloping roof panel by fastening the fastener that penetrates the field edge fitting portion from the outside. A member-joint structure for a roof characterized by being joined to a rafter.